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efrain |
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/**
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* Rangy, a cross-browser JavaScript range and selection library
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* https://github.com/timdown/rangy
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*
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* Copyright 2022, Tim Down
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* Licensed under the MIT license.
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* Version: 1.3.1
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* Build date: 17 August 2022
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*/
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(function(factory, root) {
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// No AMD or CommonJS support so we place Rangy in (probably) the global variable
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root.rangy = factory();
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})(function() {
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var OBJECT = "object", FUNCTION = "function", UNDEFINED = "undefined";
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// Minimal set of properties required for DOM Level 2 Range compliance. Comparison constants such as START_TO_START
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// are omitted because ranges in KHTML do not have them but otherwise work perfectly well. See issue 113.
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var domRangeProperties = ["startContainer", "startOffset", "endContainer", "endOffset", "collapsed",
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"commonAncestorContainer"];
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// Minimal set of methods required for DOM Level 2 Range compliance
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var domRangeMethods = ["setStart", "setStartBefore", "setStartAfter", "setEnd", "setEndBefore",
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"setEndAfter", "collapse", "selectNode", "selectNodeContents", "compareBoundaryPoints", "deleteContents",
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"extractContents", "cloneContents", "insertNode", "surroundContents", "cloneRange", "toString", "detach"];
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var textRangeProperties = ["boundingHeight", "boundingLeft", "boundingTop", "boundingWidth", "htmlText", "text"];
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// Subset of TextRange's full set of methods that we're interested in
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var textRangeMethods = ["collapse", "compareEndPoints", "duplicate", "moveToElementText", "parentElement", "select",
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"setEndPoint", "getBoundingClientRect"];
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/*----------------------------------------------------------------------------------------------------------------*/
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// Trio of functions taken from Peter Michaux's article:
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// http://peter.michaux.ca/articles/feature-detection-state-of-the-art-browser-scripting
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function isHostMethod(o, p) {
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var t = typeof o[p];
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return t == FUNCTION || (!!(t == OBJECT && o[p])) || t == "unknown";
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}
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function isHostObject(o, p) {
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return !!(typeof o[p] == OBJECT && o[p]);
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}
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function isHostProperty(o, p) {
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return typeof o[p] != UNDEFINED;
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}
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// Creates a convenience function to save verbose repeated calls to tests functions
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function createMultiplePropertyTest(testFunc) {
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return function(o, props) {
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var i = props.length;
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while (i--) {
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if (!testFunc(o, props[i])) {
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return false;
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}
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}
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return true;
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};
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}
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// Next trio of functions are a convenience to save verbose repeated calls to previous two functions
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var areHostMethods = createMultiplePropertyTest(isHostMethod);
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var areHostObjects = createMultiplePropertyTest(isHostObject);
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var areHostProperties = createMultiplePropertyTest(isHostProperty);
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function isTextRange(range) {
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return range && areHostMethods(range, textRangeMethods) && areHostProperties(range, textRangeProperties);
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}
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function getBody(doc) {
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return isHostObject(doc, "body") ? doc.body : doc.getElementsByTagName("body")[0];
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}
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var forEach = [].forEach ?
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function(arr, func) {
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arr.forEach(func);
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} :
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function(arr, func) {
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for (var i = 0, len = arr.length; i < len; ++i) {
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func(arr[i], i);
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}
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};
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var modules = {};
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var isBrowser = (typeof window != UNDEFINED && typeof document != UNDEFINED);
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var util = {
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isHostMethod: isHostMethod,
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isHostObject: isHostObject,
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isHostProperty: isHostProperty,
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areHostMethods: areHostMethods,
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areHostObjects: areHostObjects,
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areHostProperties: areHostProperties,
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isTextRange: isTextRange,
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getBody: getBody,
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forEach: forEach
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};
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var api = {
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version: "1.3.1",
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initialized: false,
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isBrowser: isBrowser,
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supported: true,
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util: util,
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features: {},
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modules: modules,
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config: {
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alertOnFail: false,
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alertOnWarn: false,
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preferTextRange: false,
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autoInitialize: (typeof rangyAutoInitialize == UNDEFINED) ? true : rangyAutoInitialize
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}
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};
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function consoleLog(msg) {
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if (typeof console != UNDEFINED && isHostMethod(console, "log")) {
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console.log(msg);
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}
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}
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function alertOrLog(msg, shouldAlert) {
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if (isBrowser && shouldAlert) {
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alert(msg);
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} else {
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consoleLog(msg);
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}
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}
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function fail(reason) {
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api.initialized = true;
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api.supported = false;
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alertOrLog("Rangy is not supported in this environment. Reason: " + reason, api.config.alertOnFail);
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}
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api.fail = fail;
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function warn(msg) {
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alertOrLog("Rangy warning: " + msg, api.config.alertOnWarn);
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}
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api.warn = warn;
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// Add utility extend() method
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var extend;
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if ({}.hasOwnProperty) {
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util.extend = extend = function(obj, props, deep) {
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var o, p;
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for (var i in props) {
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if (props.hasOwnProperty(i)) {
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o = obj[i];
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p = props[i];
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if (deep && o !== null && typeof o == "object" && p !== null && typeof p == "object") {
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extend(o, p, true);
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}
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obj[i] = p;
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}
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}
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// Special case for toString, which does not show up in for...in loops in IE <= 8
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if (props.hasOwnProperty("toString")) {
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obj.toString = props.toString;
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}
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return obj;
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};
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util.createOptions = function(optionsParam, defaults) {
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var options = {};
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extend(options, defaults);
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if (optionsParam) {
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extend(options, optionsParam);
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}
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return options;
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};
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} else {
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fail("hasOwnProperty not supported");
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}
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// Test whether we're in a browser and bail out if not
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if (!isBrowser) {
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fail("Rangy can only run in a browser");
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}
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// Test whether Array.prototype.slice can be relied on for NodeLists and use an alternative toArray() if not
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(function() {
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var toArray;
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if (isBrowser) {
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var el = document.createElement("div");
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el.appendChild(document.createElement("span"));
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var slice = [].slice;
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try {
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if (slice.call(el.childNodes, 0)[0].nodeType == 1) {
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toArray = function(arrayLike) {
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return slice.call(arrayLike, 0);
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};
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}
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} catch (e) {}
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}
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if (!toArray) {
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toArray = function(arrayLike) {
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var arr = [];
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for (var i = 0, len = arrayLike.length; i < len; ++i) {
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arr[i] = arrayLike[i];
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}
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return arr;
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};
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}
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util.toArray = toArray;
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})();
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// Very simple event handler wrapper function that doesn't attempt to solve issues such as "this" handling or
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// normalization of event properties because we don't need this.
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var addListener;
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if (isBrowser) {
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if (isHostMethod(document, "addEventListener")) {
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addListener = function(obj, eventType, listener) {
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obj.addEventListener(eventType, listener, false);
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};
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} else if (isHostMethod(document, "attachEvent")) {
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addListener = function(obj, eventType, listener) {
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obj.attachEvent("on" + eventType, listener);
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};
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} else {
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fail("Document does not have required addEventListener or attachEvent method");
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}
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util.addListener = addListener;
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}
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var initListeners = [];
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function getErrorDesc(ex) {
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return ex.message || ex.description || String(ex);
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}
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// Initialization
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function init() {
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if (!isBrowser || api.initialized) {
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return;
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}
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var testRange;
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var implementsDomRange = false, implementsTextRange = false;
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// First, perform basic feature tests
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if (isHostMethod(document, "createRange")) {
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testRange = document.createRange();
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if (areHostMethods(testRange, domRangeMethods) && areHostProperties(testRange, domRangeProperties)) {
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implementsDomRange = true;
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}
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}
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var body = getBody(document);
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if (!body || body.nodeName.toLowerCase() != "body") {
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fail("No body element found");
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return;
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}
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if (body && isHostMethod(body, "createTextRange")) {
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testRange = body.createTextRange();
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if (isTextRange(testRange)) {
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implementsTextRange = true;
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}
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}
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271 |
if (!implementsDomRange && !implementsTextRange) {
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fail("Neither Range nor TextRange are available");
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return;
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}
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api.initialized = true;
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api.features = {
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implementsDomRange: implementsDomRange,
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implementsTextRange: implementsTextRange
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};
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// Initialize modules
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var module, errorMessage;
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for (var moduleName in modules) {
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if ( (module = modules[moduleName]) instanceof Module ) {
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module.init(module, api);
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}
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}
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// Call init listeners
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for (var i = 0, len = initListeners.length; i < len; ++i) {
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try {
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initListeners[i](api);
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} catch (ex) {
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errorMessage = "Rangy init listener threw an exception. Continuing. Detail: " + getErrorDesc(ex);
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296 |
consoleLog(errorMessage);
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297 |
}
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298 |
}
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299 |
}
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300 |
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301 |
function deprecationNotice(deprecated, replacement, module) {
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302 |
if (module) {
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303 |
deprecated += " in module " + module.name;
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304 |
}
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305 |
api.warn("DEPRECATED: " + deprecated + " is deprecated. Please use " +
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306 |
replacement + " instead.");
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307 |
}
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308 |
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309 |
function createAliasForDeprecatedMethod(owner, deprecated, replacement, module) {
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310 |
owner[deprecated] = function() {
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311 |
deprecationNotice(deprecated, replacement, module);
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312 |
return owner[replacement].apply(owner, util.toArray(arguments));
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313 |
};
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314 |
}
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315 |
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316 |
util.deprecationNotice = deprecationNotice;
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317 |
util.createAliasForDeprecatedMethod = createAliasForDeprecatedMethod;
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318 |
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319 |
// Allow external scripts to initialize this library in case it's loaded after the document has loaded
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320 |
api.init = init;
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321 |
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322 |
// Execute listener immediately if already initialized
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323 |
api.addInitListener = function(listener) {
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324 |
if (api.initialized) {
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325 |
listener(api);
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326 |
} else {
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327 |
initListeners.push(listener);
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328 |
}
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329 |
};
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330 |
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331 |
var shimListeners = [];
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332 |
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333 |
api.addShimListener = function(listener) {
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334 |
shimListeners.push(listener);
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335 |
};
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336 |
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337 |
function shim(win) {
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338 |
win = win || window;
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339 |
init();
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340 |
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341 |
// Notify listeners
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342 |
for (var i = 0, len = shimListeners.length; i < len; ++i) {
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343 |
shimListeners[i](win);
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344 |
}
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345 |
}
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346 |
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347 |
if (isBrowser) {
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348 |
api.shim = api.createMissingNativeApi = shim;
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349 |
createAliasForDeprecatedMethod(api, "createMissingNativeApi", "shim");
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350 |
}
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351 |
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352 |
function Module(name, dependencies, initializer) {
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353 |
this.name = name;
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354 |
this.dependencies = dependencies;
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355 |
this.initialized = false;
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356 |
this.supported = false;
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357 |
this.initializer = initializer;
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358 |
}
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359 |
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360 |
Module.prototype = {
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361 |
init: function() {
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362 |
var requiredModuleNames = this.dependencies || [];
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363 |
for (var i = 0, len = requiredModuleNames.length, requiredModule, moduleName; i < len; ++i) {
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364 |
moduleName = requiredModuleNames[i];
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365 |
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366 |
requiredModule = modules[moduleName];
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367 |
if (!requiredModule || !(requiredModule instanceof Module)) {
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368 |
throw new Error("required module '" + moduleName + "' not found");
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369 |
}
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370 |
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371 |
requiredModule.init();
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372 |
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373 |
if (!requiredModule.supported) {
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374 |
throw new Error("required module '" + moduleName + "' not supported");
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375 |
}
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376 |
}
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377 |
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378 |
// Now run initializer
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|
379 |
this.initializer(this);
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|
380 |
},
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381 |
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|
|
382 |
fail: function(reason) {
|
|
|
383 |
this.initialized = true;
|
|
|
384 |
this.supported = false;
|
|
|
385 |
throw new Error(reason);
|
|
|
386 |
},
|
|
|
387 |
|
|
|
388 |
warn: function(msg) {
|
|
|
389 |
api.warn("Module " + this.name + ": " + msg);
|
|
|
390 |
},
|
|
|
391 |
|
|
|
392 |
deprecationNotice: function(deprecated, replacement) {
|
|
|
393 |
api.warn("DEPRECATED: " + deprecated + " in module " + this.name + " is deprecated. Please use " +
|
|
|
394 |
replacement + " instead");
|
|
|
395 |
},
|
|
|
396 |
|
|
|
397 |
createError: function(msg) {
|
|
|
398 |
return new Error("Error in Rangy " + this.name + " module: " + msg);
|
|
|
399 |
}
|
|
|
400 |
};
|
|
|
401 |
|
|
|
402 |
function createModule(name, dependencies, initFunc) {
|
|
|
403 |
var newModule = new Module(name, dependencies, function(module) {
|
|
|
404 |
if (!module.initialized) {
|
|
|
405 |
module.initialized = true;
|
|
|
406 |
try {
|
|
|
407 |
initFunc(api, module);
|
|
|
408 |
module.supported = true;
|
|
|
409 |
} catch (ex) {
|
|
|
410 |
var errorMessage = "Module '" + name + "' failed to load: " + getErrorDesc(ex);
|
|
|
411 |
consoleLog(errorMessage);
|
|
|
412 |
if (ex.stack) {
|
|
|
413 |
consoleLog(ex.stack);
|
|
|
414 |
}
|
|
|
415 |
}
|
|
|
416 |
}
|
|
|
417 |
});
|
|
|
418 |
modules[name] = newModule;
|
|
|
419 |
return newModule;
|
|
|
420 |
}
|
|
|
421 |
|
|
|
422 |
api.createModule = function(name) {
|
|
|
423 |
// Allow 2 or 3 arguments (second argument is an optional array of dependencies)
|
|
|
424 |
var initFunc, dependencies;
|
|
|
425 |
if (arguments.length == 2) {
|
|
|
426 |
initFunc = arguments[1];
|
|
|
427 |
dependencies = [];
|
|
|
428 |
} else {
|
|
|
429 |
initFunc = arguments[2];
|
|
|
430 |
dependencies = arguments[1];
|
|
|
431 |
}
|
|
|
432 |
|
|
|
433 |
var module = createModule(name, dependencies, initFunc);
|
|
|
434 |
|
|
|
435 |
// Initialize the module immediately if the core is already initialized
|
|
|
436 |
if (api.initialized && api.supported) {
|
|
|
437 |
module.init();
|
|
|
438 |
}
|
|
|
439 |
};
|
|
|
440 |
|
|
|
441 |
api.createCoreModule = function(name, dependencies, initFunc) {
|
|
|
442 |
createModule(name, dependencies, initFunc);
|
|
|
443 |
};
|
|
|
444 |
|
|
|
445 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
446 |
|
|
|
447 |
// Ensure rangy.rangePrototype and rangy.selectionPrototype are available immediately
|
|
|
448 |
|
|
|
449 |
function RangePrototype() {}
|
|
|
450 |
api.RangePrototype = RangePrototype;
|
|
|
451 |
api.rangePrototype = new RangePrototype();
|
|
|
452 |
|
|
|
453 |
function SelectionPrototype() {}
|
|
|
454 |
api.selectionPrototype = new SelectionPrototype();
|
|
|
455 |
|
|
|
456 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
457 |
|
|
|
458 |
// DOM utility methods used by Rangy
|
|
|
459 |
api.createCoreModule("DomUtil", [], function(api, module) {
|
|
|
460 |
var UNDEF = "undefined";
|
|
|
461 |
var util = api.util;
|
|
|
462 |
var getBody = util.getBody;
|
|
|
463 |
|
|
|
464 |
// Perform feature tests
|
|
|
465 |
if (!util.areHostMethods(document, ["createDocumentFragment", "createElement", "createTextNode"])) {
|
|
|
466 |
module.fail("document missing a Node creation method");
|
|
|
467 |
}
|
|
|
468 |
|
|
|
469 |
if (!util.isHostMethod(document, "getElementsByTagName")) {
|
|
|
470 |
module.fail("document missing getElementsByTagName method");
|
|
|
471 |
}
|
|
|
472 |
|
|
|
473 |
var el = document.createElement("div");
|
|
|
474 |
if (!util.areHostMethods(el, ["insertBefore", "appendChild", "cloneNode"] ||
|
|
|
475 |
!util.areHostObjects(el, ["previousSibling", "nextSibling", "childNodes", "parentNode"]))) {
|
|
|
476 |
module.fail("Incomplete Element implementation");
|
|
|
477 |
}
|
|
|
478 |
|
|
|
479 |
// innerHTML is required for Range's createContextualFragment method
|
|
|
480 |
if (!util.isHostProperty(el, "innerHTML")) {
|
|
|
481 |
module.fail("Element is missing innerHTML property");
|
|
|
482 |
}
|
|
|
483 |
|
|
|
484 |
var textNode = document.createTextNode("test");
|
|
|
485 |
if (!util.areHostMethods(textNode, ["splitText", "deleteData", "insertData", "appendData", "cloneNode"] ||
|
|
|
486 |
!util.areHostObjects(el, ["previousSibling", "nextSibling", "childNodes", "parentNode"]) ||
|
|
|
487 |
!util.areHostProperties(textNode, ["data"]))) {
|
|
|
488 |
module.fail("Incomplete Text Node implementation");
|
|
|
489 |
}
|
|
|
490 |
|
|
|
491 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
492 |
|
|
|
493 |
// Removed use of indexOf because of a bizarre bug in Opera that is thrown in one of the Acid3 tests. I haven't been
|
|
|
494 |
// able to replicate it outside of the test. The bug is that indexOf returns -1 when called on an Array that
|
|
|
495 |
// contains just the document as a single element and the value searched for is the document.
|
|
|
496 |
var arrayContains = /*Array.prototype.indexOf ?
|
|
|
497 |
function(arr, val) {
|
|
|
498 |
return arr.indexOf(val) > -1;
|
|
|
499 |
}:*/
|
|
|
500 |
|
|
|
501 |
function(arr, val) {
|
|
|
502 |
var i = arr.length;
|
|
|
503 |
while (i--) {
|
|
|
504 |
if (arr[i] === val) {
|
|
|
505 |
return true;
|
|
|
506 |
}
|
|
|
507 |
}
|
|
|
508 |
return false;
|
|
|
509 |
};
|
|
|
510 |
|
|
|
511 |
// Opera 11 puts HTML elements in the null namespace, it seems, and IE 7 has undefined namespaceURI
|
|
|
512 |
function isHtmlNamespace(node) {
|
|
|
513 |
var ns;
|
|
|
514 |
return typeof node.namespaceURI == UNDEF || ((ns = node.namespaceURI) === null || ns == "http://www.w3.org/1999/xhtml");
|
|
|
515 |
}
|
|
|
516 |
|
|
|
517 |
function parentElement(node) {
|
|
|
518 |
var parent = node.parentNode;
|
|
|
519 |
return (parent.nodeType == 1) ? parent : null;
|
|
|
520 |
}
|
|
|
521 |
|
|
|
522 |
function getNodeIndex(node) {
|
|
|
523 |
var i = 0;
|
|
|
524 |
while( (node = node.previousSibling) ) {
|
|
|
525 |
++i;
|
|
|
526 |
}
|
|
|
527 |
return i;
|
|
|
528 |
}
|
|
|
529 |
|
|
|
530 |
function getNodeLength(node) {
|
|
|
531 |
switch (node.nodeType) {
|
|
|
532 |
case 7:
|
|
|
533 |
case 10:
|
|
|
534 |
return 0;
|
|
|
535 |
case 3:
|
|
|
536 |
case 8:
|
|
|
537 |
return node.length;
|
|
|
538 |
default:
|
|
|
539 |
return node.childNodes.length;
|
|
|
540 |
}
|
|
|
541 |
}
|
|
|
542 |
|
|
|
543 |
function getCommonAncestor(node1, node2) {
|
|
|
544 |
var ancestors = [], n;
|
|
|
545 |
for (n = node1; n; n = n.parentNode) {
|
|
|
546 |
ancestors.push(n);
|
|
|
547 |
}
|
|
|
548 |
|
|
|
549 |
for (n = node2; n; n = n.parentNode) {
|
|
|
550 |
if (arrayContains(ancestors, n)) {
|
|
|
551 |
return n;
|
|
|
552 |
}
|
|
|
553 |
}
|
|
|
554 |
|
|
|
555 |
return null;
|
|
|
556 |
}
|
|
|
557 |
|
|
|
558 |
function isAncestorOf(ancestor, descendant, selfIsAncestor) {
|
|
|
559 |
var n = selfIsAncestor ? descendant : descendant.parentNode;
|
|
|
560 |
while (n) {
|
|
|
561 |
if (n === ancestor) {
|
|
|
562 |
return true;
|
|
|
563 |
} else {
|
|
|
564 |
n = n.parentNode;
|
|
|
565 |
}
|
|
|
566 |
}
|
|
|
567 |
return false;
|
|
|
568 |
}
|
|
|
569 |
|
|
|
570 |
function isOrIsAncestorOf(ancestor, descendant) {
|
|
|
571 |
return isAncestorOf(ancestor, descendant, true);
|
|
|
572 |
}
|
|
|
573 |
|
|
|
574 |
function getClosestAncestorIn(node, ancestor, selfIsAncestor) {
|
|
|
575 |
var p, n = selfIsAncestor ? node : node.parentNode;
|
|
|
576 |
while (n) {
|
|
|
577 |
p = n.parentNode;
|
|
|
578 |
if (p === ancestor) {
|
|
|
579 |
return n;
|
|
|
580 |
}
|
|
|
581 |
n = p;
|
|
|
582 |
}
|
|
|
583 |
return null;
|
|
|
584 |
}
|
|
|
585 |
|
|
|
586 |
function isCharacterDataNode(node) {
|
|
|
587 |
var t = node.nodeType;
|
|
|
588 |
return t == 3 || t == 4 || t == 8 ; // Text, CDataSection or Comment
|
|
|
589 |
}
|
|
|
590 |
|
|
|
591 |
function isTextOrCommentNode(node) {
|
|
|
592 |
if (!node) {
|
|
|
593 |
return false;
|
|
|
594 |
}
|
|
|
595 |
var t = node.nodeType;
|
|
|
596 |
return t == 3 || t == 8 ; // Text or Comment
|
|
|
597 |
}
|
|
|
598 |
|
|
|
599 |
function insertAfter(node, precedingNode) {
|
|
|
600 |
var nextNode = precedingNode.nextSibling, parent = precedingNode.parentNode;
|
|
|
601 |
if (nextNode) {
|
|
|
602 |
parent.insertBefore(node, nextNode);
|
|
|
603 |
} else {
|
|
|
604 |
parent.appendChild(node);
|
|
|
605 |
}
|
|
|
606 |
return node;
|
|
|
607 |
}
|
|
|
608 |
|
|
|
609 |
// Note that we cannot use splitText() because it is bugridden in IE 9.
|
|
|
610 |
function splitDataNode(node, index, positionsToPreserve) {
|
|
|
611 |
var newNode = node.cloneNode(false);
|
|
|
612 |
newNode.deleteData(0, index);
|
|
|
613 |
node.deleteData(index, node.length - index);
|
|
|
614 |
insertAfter(newNode, node);
|
|
|
615 |
|
|
|
616 |
// Preserve positions
|
|
|
617 |
if (positionsToPreserve) {
|
|
|
618 |
for (var i = 0, position; position = positionsToPreserve[i++]; ) {
|
|
|
619 |
// Handle case where position was inside the portion of node after the split point
|
|
|
620 |
if (position.node == node && position.offset > index) {
|
|
|
621 |
position.node = newNode;
|
|
|
622 |
position.offset -= index;
|
|
|
623 |
}
|
|
|
624 |
// Handle the case where the position is a node offset within node's parent
|
|
|
625 |
else if (position.node == node.parentNode && position.offset > getNodeIndex(node)) {
|
|
|
626 |
++position.offset;
|
|
|
627 |
}
|
|
|
628 |
}
|
|
|
629 |
}
|
|
|
630 |
return newNode;
|
|
|
631 |
}
|
|
|
632 |
|
|
|
633 |
function getDocument(node) {
|
|
|
634 |
if (node.nodeType == 9) {
|
|
|
635 |
return node;
|
|
|
636 |
} else if (typeof node.ownerDocument != UNDEF) {
|
|
|
637 |
return node.ownerDocument;
|
|
|
638 |
} else if (typeof node.document != UNDEF) {
|
|
|
639 |
return node.document;
|
|
|
640 |
} else if (node.parentNode) {
|
|
|
641 |
return getDocument(node.parentNode);
|
|
|
642 |
} else {
|
|
|
643 |
throw module.createError("getDocument: no document found for node");
|
|
|
644 |
}
|
|
|
645 |
}
|
|
|
646 |
|
|
|
647 |
function getWindow(node) {
|
|
|
648 |
var doc = getDocument(node);
|
|
|
649 |
if (typeof doc.defaultView != UNDEF) {
|
|
|
650 |
return doc.defaultView;
|
|
|
651 |
} else if (typeof doc.parentWindow != UNDEF) {
|
|
|
652 |
return doc.parentWindow;
|
|
|
653 |
} else {
|
|
|
654 |
throw module.createError("Cannot get a window object for node");
|
|
|
655 |
}
|
|
|
656 |
}
|
|
|
657 |
|
|
|
658 |
function getIframeDocument(iframeEl) {
|
|
|
659 |
if (typeof iframeEl.contentDocument != UNDEF) {
|
|
|
660 |
return iframeEl.contentDocument;
|
|
|
661 |
} else if (typeof iframeEl.contentWindow != UNDEF) {
|
|
|
662 |
return iframeEl.contentWindow.document;
|
|
|
663 |
} else {
|
|
|
664 |
throw module.createError("getIframeDocument: No Document object found for iframe element");
|
|
|
665 |
}
|
|
|
666 |
}
|
|
|
667 |
|
|
|
668 |
function getIframeWindow(iframeEl) {
|
|
|
669 |
if (typeof iframeEl.contentWindow != UNDEF) {
|
|
|
670 |
return iframeEl.contentWindow;
|
|
|
671 |
} else if (typeof iframeEl.contentDocument != UNDEF) {
|
|
|
672 |
return iframeEl.contentDocument.defaultView;
|
|
|
673 |
} else {
|
|
|
674 |
throw module.createError("getIframeWindow: No Window object found for iframe element");
|
|
|
675 |
}
|
|
|
676 |
}
|
|
|
677 |
|
|
|
678 |
// This looks bad. Is it worth it?
|
|
|
679 |
function isWindow(obj) {
|
|
|
680 |
return obj && util.isHostMethod(obj, "setTimeout") && util.isHostObject(obj, "document");
|
|
|
681 |
}
|
|
|
682 |
|
|
|
683 |
function getContentDocument(obj, module, methodName) {
|
|
|
684 |
var doc;
|
|
|
685 |
|
|
|
686 |
if (!obj) {
|
|
|
687 |
doc = document;
|
|
|
688 |
}
|
|
|
689 |
|
|
|
690 |
// Test if a DOM node has been passed and obtain a document object for it if so
|
|
|
691 |
else if (util.isHostProperty(obj, "nodeType")) {
|
|
|
692 |
doc = (obj.nodeType == 1 && obj.tagName.toLowerCase() == "iframe") ?
|
|
|
693 |
getIframeDocument(obj) : getDocument(obj);
|
|
|
694 |
}
|
|
|
695 |
|
|
|
696 |
// Test if the doc parameter appears to be a Window object
|
|
|
697 |
else if (isWindow(obj)) {
|
|
|
698 |
doc = obj.document;
|
|
|
699 |
}
|
|
|
700 |
|
|
|
701 |
if (!doc) {
|
|
|
702 |
throw module.createError(methodName + "(): Parameter must be a Window object or DOM node");
|
|
|
703 |
}
|
|
|
704 |
|
|
|
705 |
return doc;
|
|
|
706 |
}
|
|
|
707 |
|
|
|
708 |
function getRootContainer(node) {
|
|
|
709 |
var parent;
|
|
|
710 |
while ( (parent = node.parentNode) ) {
|
|
|
711 |
node = parent;
|
|
|
712 |
}
|
|
|
713 |
return node;
|
|
|
714 |
}
|
|
|
715 |
|
|
|
716 |
function comparePoints(nodeA, offsetA, nodeB, offsetB) {
|
|
|
717 |
// See http://www.w3.org/TR/DOM-Level-2-Traversal-Range/ranges.html#Level-2-Range-Comparing
|
|
|
718 |
var nodeC, root, childA, childB, n;
|
|
|
719 |
if (nodeA == nodeB) {
|
|
|
720 |
// Case 1: nodes are the same
|
|
|
721 |
return offsetA === offsetB ? 0 : (offsetA < offsetB) ? -1 : 1;
|
|
|
722 |
} else if ( (nodeC = getClosestAncestorIn(nodeB, nodeA, true)) ) {
|
|
|
723 |
// Case 2: node C (container B or an ancestor) is a child node of A
|
|
|
724 |
return offsetA <= getNodeIndex(nodeC) ? -1 : 1;
|
|
|
725 |
} else if ( (nodeC = getClosestAncestorIn(nodeA, nodeB, true)) ) {
|
|
|
726 |
// Case 3: node C (container A or an ancestor) is a child node of B
|
|
|
727 |
return getNodeIndex(nodeC) < offsetB ? -1 : 1;
|
|
|
728 |
} else {
|
|
|
729 |
root = getCommonAncestor(nodeA, nodeB);
|
|
|
730 |
if (!root) {
|
|
|
731 |
throw new Error("comparePoints error: nodes have no common ancestor");
|
|
|
732 |
}
|
|
|
733 |
|
|
|
734 |
// Case 4: containers are siblings or descendants of siblings
|
|
|
735 |
childA = (nodeA === root) ? root : getClosestAncestorIn(nodeA, root, true);
|
|
|
736 |
childB = (nodeB === root) ? root : getClosestAncestorIn(nodeB, root, true);
|
|
|
737 |
|
|
|
738 |
if (childA === childB) {
|
|
|
739 |
// This shouldn't be possible
|
|
|
740 |
throw module.createError("comparePoints got to case 4 and childA and childB are the same!");
|
|
|
741 |
} else {
|
|
|
742 |
n = root.firstChild;
|
|
|
743 |
while (n) {
|
|
|
744 |
if (n === childA) {
|
|
|
745 |
return -1;
|
|
|
746 |
} else if (n === childB) {
|
|
|
747 |
return 1;
|
|
|
748 |
}
|
|
|
749 |
n = n.nextSibling;
|
|
|
750 |
}
|
|
|
751 |
}
|
|
|
752 |
}
|
|
|
753 |
}
|
|
|
754 |
|
|
|
755 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
756 |
|
|
|
757 |
// Test for IE's crash (IE 6/7) or exception (IE >= 8) when a reference to garbage-collected text node is queried
|
|
|
758 |
var crashyTextNodes = false;
|
|
|
759 |
|
|
|
760 |
function isBrokenNode(node) {
|
|
|
761 |
var n;
|
|
|
762 |
try {
|
|
|
763 |
n = node.parentNode;
|
|
|
764 |
return false;
|
|
|
765 |
} catch (e) {
|
|
|
766 |
return true;
|
|
|
767 |
}
|
|
|
768 |
}
|
|
|
769 |
|
|
|
770 |
(function() {
|
|
|
771 |
var el = document.createElement("b");
|
|
|
772 |
el.innerHTML = "1";
|
|
|
773 |
var textNode = el.firstChild;
|
|
|
774 |
el.innerHTML = "<br />";
|
|
|
775 |
crashyTextNodes = isBrokenNode(textNode);
|
|
|
776 |
|
|
|
777 |
api.features.crashyTextNodes = crashyTextNodes;
|
|
|
778 |
})();
|
|
|
779 |
|
|
|
780 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
781 |
|
|
|
782 |
function inspectNode(node) {
|
|
|
783 |
if (!node) {
|
|
|
784 |
return "[No node]";
|
|
|
785 |
}
|
|
|
786 |
if (crashyTextNodes && isBrokenNode(node)) {
|
|
|
787 |
return "[Broken node]";
|
|
|
788 |
}
|
|
|
789 |
if (isCharacterDataNode(node)) {
|
|
|
790 |
return '"' + node.data + '"';
|
|
|
791 |
}
|
|
|
792 |
if (node.nodeType == 1) {
|
|
|
793 |
var idAttr = node.id ? ' id="' + node.id + '"' : "";
|
|
|
794 |
return "<" + node.nodeName + idAttr + ">[index:" + getNodeIndex(node) + ",length:" + node.childNodes.length + "][" + (node.innerHTML || "[innerHTML not supported]").slice(0, 25) + "]";
|
|
|
795 |
}
|
|
|
796 |
return node.nodeName;
|
|
|
797 |
}
|
|
|
798 |
|
|
|
799 |
function fragmentFromNodeChildren(node) {
|
|
|
800 |
var fragment = getDocument(node).createDocumentFragment(), child;
|
|
|
801 |
while ( (child = node.firstChild) ) {
|
|
|
802 |
fragment.appendChild(child);
|
|
|
803 |
}
|
|
|
804 |
return fragment;
|
|
|
805 |
}
|
|
|
806 |
|
|
|
807 |
var getComputedStyleProperty;
|
|
|
808 |
if (typeof window.getComputedStyle != UNDEF) {
|
|
|
809 |
getComputedStyleProperty = function(el, propName) {
|
|
|
810 |
return getWindow(el).getComputedStyle(el, null)[propName];
|
|
|
811 |
};
|
|
|
812 |
} else if (typeof document.documentElement.currentStyle != UNDEF) {
|
|
|
813 |
getComputedStyleProperty = function(el, propName) {
|
|
|
814 |
return el.currentStyle ? el.currentStyle[propName] : "";
|
|
|
815 |
};
|
|
|
816 |
} else {
|
|
|
817 |
module.fail("No means of obtaining computed style properties found");
|
|
|
818 |
}
|
|
|
819 |
|
|
|
820 |
function createTestElement(doc, html, contentEditable) {
|
|
|
821 |
var body = getBody(doc);
|
|
|
822 |
var el = doc.createElement("div");
|
|
|
823 |
el.contentEditable = "" + !!contentEditable;
|
|
|
824 |
if (html) {
|
|
|
825 |
el.innerHTML = html;
|
|
|
826 |
}
|
|
|
827 |
|
|
|
828 |
// Insert the test element at the start of the body to prevent scrolling to the bottom in iOS (issue #292)
|
|
|
829 |
var bodyFirstChild = body.firstChild;
|
|
|
830 |
if (bodyFirstChild) {
|
|
|
831 |
body.insertBefore(el, bodyFirstChild);
|
|
|
832 |
} else {
|
|
|
833 |
body.appendChild(el);
|
|
|
834 |
}
|
|
|
835 |
|
|
|
836 |
return el;
|
|
|
837 |
}
|
|
|
838 |
|
|
|
839 |
function removeNode(node) {
|
|
|
840 |
return node.parentNode.removeChild(node);
|
|
|
841 |
}
|
|
|
842 |
|
|
|
843 |
function NodeIterator(root) {
|
|
|
844 |
this.root = root;
|
|
|
845 |
this._next = root;
|
|
|
846 |
}
|
|
|
847 |
|
|
|
848 |
NodeIterator.prototype = {
|
|
|
849 |
_current: null,
|
|
|
850 |
|
|
|
851 |
hasNext: function() {
|
|
|
852 |
return !!this._next;
|
|
|
853 |
},
|
|
|
854 |
|
|
|
855 |
next: function() {
|
|
|
856 |
var n = this._current = this._next;
|
|
|
857 |
var child, next;
|
|
|
858 |
if (this._current) {
|
|
|
859 |
child = n.firstChild;
|
|
|
860 |
if (child) {
|
|
|
861 |
this._next = child;
|
|
|
862 |
} else {
|
|
|
863 |
next = null;
|
|
|
864 |
while ((n !== this.root) && !(next = n.nextSibling)) {
|
|
|
865 |
n = n.parentNode;
|
|
|
866 |
}
|
|
|
867 |
this._next = next;
|
|
|
868 |
}
|
|
|
869 |
}
|
|
|
870 |
return this._current;
|
|
|
871 |
},
|
|
|
872 |
|
|
|
873 |
detach: function() {
|
|
|
874 |
this._current = this._next = this.root = null;
|
|
|
875 |
}
|
|
|
876 |
};
|
|
|
877 |
|
|
|
878 |
function createIterator(root) {
|
|
|
879 |
return new NodeIterator(root);
|
|
|
880 |
}
|
|
|
881 |
|
|
|
882 |
function DomPosition(node, offset) {
|
|
|
883 |
this.node = node;
|
|
|
884 |
this.offset = offset;
|
|
|
885 |
}
|
|
|
886 |
|
|
|
887 |
DomPosition.prototype = {
|
|
|
888 |
equals: function(pos) {
|
|
|
889 |
return !!pos && this.node === pos.node && this.offset == pos.offset;
|
|
|
890 |
},
|
|
|
891 |
|
|
|
892 |
inspect: function() {
|
|
|
893 |
return "[DomPosition(" + inspectNode(this.node) + ":" + this.offset + ")]";
|
|
|
894 |
},
|
|
|
895 |
|
|
|
896 |
toString: function() {
|
|
|
897 |
return this.inspect();
|
|
|
898 |
}
|
|
|
899 |
};
|
|
|
900 |
|
|
|
901 |
function DOMException(codeName) {
|
|
|
902 |
this.code = this[codeName];
|
|
|
903 |
this.codeName = codeName;
|
|
|
904 |
this.message = "DOMException: " + this.codeName;
|
|
|
905 |
}
|
|
|
906 |
|
|
|
907 |
DOMException.prototype = {
|
|
|
908 |
INDEX_SIZE_ERR: 1,
|
|
|
909 |
HIERARCHY_REQUEST_ERR: 3,
|
|
|
910 |
WRONG_DOCUMENT_ERR: 4,
|
|
|
911 |
NO_MODIFICATION_ALLOWED_ERR: 7,
|
|
|
912 |
NOT_FOUND_ERR: 8,
|
|
|
913 |
NOT_SUPPORTED_ERR: 9,
|
|
|
914 |
INVALID_STATE_ERR: 11,
|
|
|
915 |
INVALID_NODE_TYPE_ERR: 24
|
|
|
916 |
};
|
|
|
917 |
|
|
|
918 |
DOMException.prototype.toString = function() {
|
|
|
919 |
return this.message;
|
|
|
920 |
};
|
|
|
921 |
|
|
|
922 |
api.dom = {
|
|
|
923 |
arrayContains: arrayContains,
|
|
|
924 |
isHtmlNamespace: isHtmlNamespace,
|
|
|
925 |
parentElement: parentElement,
|
|
|
926 |
getNodeIndex: getNodeIndex,
|
|
|
927 |
getNodeLength: getNodeLength,
|
|
|
928 |
getCommonAncestor: getCommonAncestor,
|
|
|
929 |
isAncestorOf: isAncestorOf,
|
|
|
930 |
isOrIsAncestorOf: isOrIsAncestorOf,
|
|
|
931 |
getClosestAncestorIn: getClosestAncestorIn,
|
|
|
932 |
isCharacterDataNode: isCharacterDataNode,
|
|
|
933 |
isTextOrCommentNode: isTextOrCommentNode,
|
|
|
934 |
insertAfter: insertAfter,
|
|
|
935 |
splitDataNode: splitDataNode,
|
|
|
936 |
getDocument: getDocument,
|
|
|
937 |
getWindow: getWindow,
|
|
|
938 |
getIframeWindow: getIframeWindow,
|
|
|
939 |
getIframeDocument: getIframeDocument,
|
|
|
940 |
getBody: getBody,
|
|
|
941 |
isWindow: isWindow,
|
|
|
942 |
getContentDocument: getContentDocument,
|
|
|
943 |
getRootContainer: getRootContainer,
|
|
|
944 |
comparePoints: comparePoints,
|
|
|
945 |
isBrokenNode: isBrokenNode,
|
|
|
946 |
inspectNode: inspectNode,
|
|
|
947 |
getComputedStyleProperty: getComputedStyleProperty,
|
|
|
948 |
createTestElement: createTestElement,
|
|
|
949 |
removeNode: removeNode,
|
|
|
950 |
fragmentFromNodeChildren: fragmentFromNodeChildren,
|
|
|
951 |
createIterator: createIterator,
|
|
|
952 |
DomPosition: DomPosition
|
|
|
953 |
};
|
|
|
954 |
|
|
|
955 |
api.DOMException = DOMException;
|
|
|
956 |
});
|
|
|
957 |
|
|
|
958 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
959 |
|
|
|
960 |
// Pure JavaScript implementation of DOM Range
|
|
|
961 |
api.createCoreModule("DomRange", ["DomUtil"], function(api, module) {
|
|
|
962 |
var dom = api.dom;
|
|
|
963 |
var util = api.util;
|
|
|
964 |
var DomPosition = dom.DomPosition;
|
|
|
965 |
var DOMException = api.DOMException;
|
|
|
966 |
|
|
|
967 |
var isCharacterDataNode = dom.isCharacterDataNode;
|
|
|
968 |
var getNodeIndex = dom.getNodeIndex;
|
|
|
969 |
var isOrIsAncestorOf = dom.isOrIsAncestorOf;
|
|
|
970 |
var getDocument = dom.getDocument;
|
|
|
971 |
var comparePoints = dom.comparePoints;
|
|
|
972 |
var splitDataNode = dom.splitDataNode;
|
|
|
973 |
var getClosestAncestorIn = dom.getClosestAncestorIn;
|
|
|
974 |
var getNodeLength = dom.getNodeLength;
|
|
|
975 |
var arrayContains = dom.arrayContains;
|
|
|
976 |
var getRootContainer = dom.getRootContainer;
|
|
|
977 |
var crashyTextNodes = api.features.crashyTextNodes;
|
|
|
978 |
|
|
|
979 |
var removeNode = dom.removeNode;
|
|
|
980 |
|
|
|
981 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
982 |
|
|
|
983 |
// Utility functions
|
|
|
984 |
|
|
|
985 |
function isNonTextPartiallySelected(node, range) {
|
|
|
986 |
return (node.nodeType != 3) &&
|
|
|
987 |
(isOrIsAncestorOf(node, range.startContainer) || isOrIsAncestorOf(node, range.endContainer));
|
|
|
988 |
}
|
|
|
989 |
|
|
|
990 |
function getRangeDocument(range) {
|
|
|
991 |
return range.document || getDocument(range.startContainer);
|
|
|
992 |
}
|
|
|
993 |
|
|
|
994 |
function getRangeRoot(range) {
|
|
|
995 |
return getRootContainer(range.startContainer);
|
|
|
996 |
}
|
|
|
997 |
|
|
|
998 |
function getBoundaryBeforeNode(node) {
|
|
|
999 |
return new DomPosition(node.parentNode, getNodeIndex(node));
|
|
|
1000 |
}
|
|
|
1001 |
|
|
|
1002 |
function getBoundaryAfterNode(node) {
|
|
|
1003 |
return new DomPosition(node.parentNode, getNodeIndex(node) + 1);
|
|
|
1004 |
}
|
|
|
1005 |
|
|
|
1006 |
function insertNodeAtPosition(node, n, o) {
|
|
|
1007 |
var firstNodeInserted = node.nodeType == 11 ? node.firstChild : node;
|
|
|
1008 |
if (isCharacterDataNode(n)) {
|
|
|
1009 |
if (o == n.length) {
|
|
|
1010 |
dom.insertAfter(node, n);
|
|
|
1011 |
} else {
|
|
|
1012 |
n.parentNode.insertBefore(node, o == 0 ? n : splitDataNode(n, o));
|
|
|
1013 |
}
|
|
|
1014 |
} else if (o >= n.childNodes.length) {
|
|
|
1015 |
n.appendChild(node);
|
|
|
1016 |
} else {
|
|
|
1017 |
n.insertBefore(node, n.childNodes[o]);
|
|
|
1018 |
}
|
|
|
1019 |
return firstNodeInserted;
|
|
|
1020 |
}
|
|
|
1021 |
|
|
|
1022 |
function rangesIntersect(rangeA, rangeB, touchingIsIntersecting) {
|
|
|
1023 |
assertRangeValid(rangeA);
|
|
|
1024 |
assertRangeValid(rangeB);
|
|
|
1025 |
|
|
|
1026 |
if (getRangeDocument(rangeB) != getRangeDocument(rangeA)) {
|
|
|
1027 |
throw new DOMException("WRONG_DOCUMENT_ERR");
|
|
|
1028 |
}
|
|
|
1029 |
|
|
|
1030 |
var startComparison = comparePoints(rangeA.startContainer, rangeA.startOffset, rangeB.endContainer, rangeB.endOffset),
|
|
|
1031 |
endComparison = comparePoints(rangeA.endContainer, rangeA.endOffset, rangeB.startContainer, rangeB.startOffset);
|
|
|
1032 |
|
|
|
1033 |
return touchingIsIntersecting ? startComparison <= 0 && endComparison >= 0 : startComparison < 0 && endComparison > 0;
|
|
|
1034 |
}
|
|
|
1035 |
|
|
|
1036 |
function cloneSubtree(iterator) {
|
|
|
1037 |
var partiallySelected;
|
|
|
1038 |
for (var node, frag = getRangeDocument(iterator.range).createDocumentFragment(), subIterator; node = iterator.next(); ) {
|
|
|
1039 |
partiallySelected = iterator.isPartiallySelectedSubtree();
|
|
|
1040 |
node = node.cloneNode(!partiallySelected);
|
|
|
1041 |
if (partiallySelected) {
|
|
|
1042 |
subIterator = iterator.getSubtreeIterator();
|
|
|
1043 |
node.appendChild(cloneSubtree(subIterator));
|
|
|
1044 |
subIterator.detach();
|
|
|
1045 |
}
|
|
|
1046 |
|
|
|
1047 |
if (node.nodeType == 10) { // DocumentType
|
|
|
1048 |
throw new DOMException("HIERARCHY_REQUEST_ERR");
|
|
|
1049 |
}
|
|
|
1050 |
frag.appendChild(node);
|
|
|
1051 |
}
|
|
|
1052 |
return frag;
|
|
|
1053 |
}
|
|
|
1054 |
|
|
|
1055 |
function iterateSubtree(rangeIterator, func, iteratorState) {
|
|
|
1056 |
var it, n;
|
|
|
1057 |
iteratorState = iteratorState || { stop: false };
|
|
|
1058 |
for (var node, subRangeIterator; node = rangeIterator.next(); ) {
|
|
|
1059 |
if (rangeIterator.isPartiallySelectedSubtree()) {
|
|
|
1060 |
if (func(node) === false) {
|
|
|
1061 |
iteratorState.stop = true;
|
|
|
1062 |
return;
|
|
|
1063 |
} else {
|
|
|
1064 |
// The node is partially selected by the Range, so we can use a new RangeIterator on the portion of
|
|
|
1065 |
// the node selected by the Range.
|
|
|
1066 |
subRangeIterator = rangeIterator.getSubtreeIterator();
|
|
|
1067 |
iterateSubtree(subRangeIterator, func, iteratorState);
|
|
|
1068 |
subRangeIterator.detach();
|
|
|
1069 |
if (iteratorState.stop) {
|
|
|
1070 |
return;
|
|
|
1071 |
}
|
|
|
1072 |
}
|
|
|
1073 |
} else {
|
|
|
1074 |
// The whole node is selected, so we can use efficient DOM iteration to iterate over the node and its
|
|
|
1075 |
// descendants
|
|
|
1076 |
it = dom.createIterator(node);
|
|
|
1077 |
while ( (n = it.next()) ) {
|
|
|
1078 |
if (func(n) === false) {
|
|
|
1079 |
iteratorState.stop = true;
|
|
|
1080 |
return;
|
|
|
1081 |
}
|
|
|
1082 |
}
|
|
|
1083 |
}
|
|
|
1084 |
}
|
|
|
1085 |
}
|
|
|
1086 |
|
|
|
1087 |
function deleteSubtree(iterator) {
|
|
|
1088 |
var subIterator;
|
|
|
1089 |
while (iterator.next()) {
|
|
|
1090 |
if (iterator.isPartiallySelectedSubtree()) {
|
|
|
1091 |
subIterator = iterator.getSubtreeIterator();
|
|
|
1092 |
deleteSubtree(subIterator);
|
|
|
1093 |
subIterator.detach();
|
|
|
1094 |
} else {
|
|
|
1095 |
iterator.remove();
|
|
|
1096 |
}
|
|
|
1097 |
}
|
|
|
1098 |
}
|
|
|
1099 |
|
|
|
1100 |
function extractSubtree(iterator) {
|
|
|
1101 |
for (var node, frag = getRangeDocument(iterator.range).createDocumentFragment(), subIterator; node = iterator.next(); ) {
|
|
|
1102 |
|
|
|
1103 |
if (iterator.isPartiallySelectedSubtree()) {
|
|
|
1104 |
node = node.cloneNode(false);
|
|
|
1105 |
subIterator = iterator.getSubtreeIterator();
|
|
|
1106 |
node.appendChild(extractSubtree(subIterator));
|
|
|
1107 |
subIterator.detach();
|
|
|
1108 |
} else {
|
|
|
1109 |
iterator.remove();
|
|
|
1110 |
}
|
|
|
1111 |
if (node.nodeType == 10) { // DocumentType
|
|
|
1112 |
throw new DOMException("HIERARCHY_REQUEST_ERR");
|
|
|
1113 |
}
|
|
|
1114 |
frag.appendChild(node);
|
|
|
1115 |
}
|
|
|
1116 |
return frag;
|
|
|
1117 |
}
|
|
|
1118 |
|
|
|
1119 |
function getNodesInRange(range, nodeTypes, filter) {
|
|
|
1120 |
var filterNodeTypes = !!(nodeTypes && nodeTypes.length), regex;
|
|
|
1121 |
var filterExists = !!filter;
|
|
|
1122 |
if (filterNodeTypes) {
|
|
|
1123 |
regex = new RegExp("^(" + nodeTypes.join("|") + ")$");
|
|
|
1124 |
}
|
|
|
1125 |
|
|
|
1126 |
var nodes = [];
|
|
|
1127 |
iterateSubtree(new RangeIterator(range, false), function(node) {
|
|
|
1128 |
if (filterNodeTypes && !regex.test(node.nodeType)) {
|
|
|
1129 |
return;
|
|
|
1130 |
}
|
|
|
1131 |
if (filterExists && !filter(node)) {
|
|
|
1132 |
return;
|
|
|
1133 |
}
|
|
|
1134 |
// Don't include a boundary container if it is a character data node and the range does not contain any
|
|
|
1135 |
// of its character data. See issue 190.
|
|
|
1136 |
var sc = range.startContainer;
|
|
|
1137 |
if (node == sc && isCharacterDataNode(sc) && range.startOffset == sc.length) {
|
|
|
1138 |
return;
|
|
|
1139 |
}
|
|
|
1140 |
|
|
|
1141 |
var ec = range.endContainer;
|
|
|
1142 |
if (node == ec && isCharacterDataNode(ec) && range.endOffset == 0) {
|
|
|
1143 |
return;
|
|
|
1144 |
}
|
|
|
1145 |
|
|
|
1146 |
nodes.push(node);
|
|
|
1147 |
});
|
|
|
1148 |
return nodes;
|
|
|
1149 |
}
|
|
|
1150 |
|
|
|
1151 |
function inspect(range) {
|
|
|
1152 |
var name = (typeof range.getName == "undefined") ? "Range" : range.getName();
|
|
|
1153 |
return "[" + name + "(" + dom.inspectNode(range.startContainer) + ":" + range.startOffset + ", " +
|
|
|
1154 |
dom.inspectNode(range.endContainer) + ":" + range.endOffset + ")]";
|
|
|
1155 |
}
|
|
|
1156 |
|
|
|
1157 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
1158 |
|
|
|
1159 |
// RangeIterator code partially borrows from IERange by Tim Ryan (http://github.com/timcameronryan/IERange)
|
|
|
1160 |
|
|
|
1161 |
function RangeIterator(range, clonePartiallySelectedTextNodes) {
|
|
|
1162 |
this.range = range;
|
|
|
1163 |
this.clonePartiallySelectedTextNodes = clonePartiallySelectedTextNodes;
|
|
|
1164 |
|
|
|
1165 |
|
|
|
1166 |
if (!range.collapsed) {
|
|
|
1167 |
this.sc = range.startContainer;
|
|
|
1168 |
this.so = range.startOffset;
|
|
|
1169 |
this.ec = range.endContainer;
|
|
|
1170 |
this.eo = range.endOffset;
|
|
|
1171 |
var root = range.commonAncestorContainer;
|
|
|
1172 |
|
|
|
1173 |
if (this.sc === this.ec && isCharacterDataNode(this.sc)) {
|
|
|
1174 |
this.isSingleCharacterDataNode = true;
|
|
|
1175 |
this._first = this._last = this._next = this.sc;
|
|
|
1176 |
} else {
|
|
|
1177 |
this._first = this._next = (this.sc === root && !isCharacterDataNode(this.sc)) ?
|
|
|
1178 |
this.sc.childNodes[this.so] : getClosestAncestorIn(this.sc, root, true);
|
|
|
1179 |
this._last = (this.ec === root && !isCharacterDataNode(this.ec)) ?
|
|
|
1180 |
this.ec.childNodes[this.eo - 1] : getClosestAncestorIn(this.ec, root, true);
|
|
|
1181 |
}
|
|
|
1182 |
}
|
|
|
1183 |
}
|
|
|
1184 |
|
|
|
1185 |
RangeIterator.prototype = {
|
|
|
1186 |
_current: null,
|
|
|
1187 |
_next: null,
|
|
|
1188 |
_first: null,
|
|
|
1189 |
_last: null,
|
|
|
1190 |
isSingleCharacterDataNode: false,
|
|
|
1191 |
|
|
|
1192 |
reset: function() {
|
|
|
1193 |
this._current = null;
|
|
|
1194 |
this._next = this._first;
|
|
|
1195 |
},
|
|
|
1196 |
|
|
|
1197 |
hasNext: function() {
|
|
|
1198 |
return !!this._next;
|
|
|
1199 |
},
|
|
|
1200 |
|
|
|
1201 |
next: function() {
|
|
|
1202 |
// Move to next node
|
|
|
1203 |
var current = this._current = this._next;
|
|
|
1204 |
if (current) {
|
|
|
1205 |
this._next = (current !== this._last) ? current.nextSibling : null;
|
|
|
1206 |
|
|
|
1207 |
// Check for partially selected text nodes
|
|
|
1208 |
if (isCharacterDataNode(current) && this.clonePartiallySelectedTextNodes) {
|
|
|
1209 |
if (current === this.ec) {
|
|
|
1210 |
(current = current.cloneNode(true)).deleteData(this.eo, current.length - this.eo);
|
|
|
1211 |
}
|
|
|
1212 |
if (this._current === this.sc) {
|
|
|
1213 |
(current = current.cloneNode(true)).deleteData(0, this.so);
|
|
|
1214 |
}
|
|
|
1215 |
}
|
|
|
1216 |
}
|
|
|
1217 |
|
|
|
1218 |
return current;
|
|
|
1219 |
},
|
|
|
1220 |
|
|
|
1221 |
remove: function() {
|
|
|
1222 |
var current = this._current, start, end;
|
|
|
1223 |
|
|
|
1224 |
if (isCharacterDataNode(current) && (current === this.sc || current === this.ec)) {
|
|
|
1225 |
start = (current === this.sc) ? this.so : 0;
|
|
|
1226 |
end = (current === this.ec) ? this.eo : current.length;
|
|
|
1227 |
if (start != end) {
|
|
|
1228 |
current.deleteData(start, end - start);
|
|
|
1229 |
}
|
|
|
1230 |
} else {
|
|
|
1231 |
if (current.parentNode) {
|
|
|
1232 |
removeNode(current);
|
|
|
1233 |
} else {
|
|
|
1234 |
}
|
|
|
1235 |
}
|
|
|
1236 |
},
|
|
|
1237 |
|
|
|
1238 |
// Checks if the current node is partially selected
|
|
|
1239 |
isPartiallySelectedSubtree: function() {
|
|
|
1240 |
var current = this._current;
|
|
|
1241 |
return isNonTextPartiallySelected(current, this.range);
|
|
|
1242 |
},
|
|
|
1243 |
|
|
|
1244 |
getSubtreeIterator: function() {
|
|
|
1245 |
var subRange;
|
|
|
1246 |
if (this.isSingleCharacterDataNode) {
|
|
|
1247 |
subRange = this.range.cloneRange();
|
|
|
1248 |
subRange.collapse(false);
|
|
|
1249 |
} else {
|
|
|
1250 |
subRange = new Range(getRangeDocument(this.range));
|
|
|
1251 |
var current = this._current;
|
|
|
1252 |
var startContainer = current, startOffset = 0, endContainer = current, endOffset = getNodeLength(current);
|
|
|
1253 |
|
|
|
1254 |
if (isOrIsAncestorOf(current, this.sc)) {
|
|
|
1255 |
startContainer = this.sc;
|
|
|
1256 |
startOffset = this.so;
|
|
|
1257 |
}
|
|
|
1258 |
if (isOrIsAncestorOf(current, this.ec)) {
|
|
|
1259 |
endContainer = this.ec;
|
|
|
1260 |
endOffset = this.eo;
|
|
|
1261 |
}
|
|
|
1262 |
|
|
|
1263 |
updateBoundaries(subRange, startContainer, startOffset, endContainer, endOffset);
|
|
|
1264 |
}
|
|
|
1265 |
return new RangeIterator(subRange, this.clonePartiallySelectedTextNodes);
|
|
|
1266 |
},
|
|
|
1267 |
|
|
|
1268 |
detach: function() {
|
|
|
1269 |
this.range = this._current = this._next = this._first = this._last = this.sc = this.so = this.ec = this.eo = null;
|
|
|
1270 |
}
|
|
|
1271 |
};
|
|
|
1272 |
|
|
|
1273 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
1274 |
|
|
|
1275 |
var beforeAfterNodeTypes = [1, 3, 4, 5, 7, 8, 10];
|
|
|
1276 |
var rootContainerNodeTypes = [2, 9, 11];
|
|
|
1277 |
var readonlyNodeTypes = [5, 6, 10, 12];
|
|
|
1278 |
var insertableNodeTypes = [1, 3, 4, 5, 7, 8, 10, 11];
|
|
|
1279 |
var surroundNodeTypes = [1, 3, 4, 5, 7, 8];
|
|
|
1280 |
|
|
|
1281 |
function createAncestorFinder(nodeTypes) {
|
|
|
1282 |
return function(node, selfIsAncestor) {
|
|
|
1283 |
var t, n = selfIsAncestor ? node : node.parentNode;
|
|
|
1284 |
while (n) {
|
|
|
1285 |
t = n.nodeType;
|
|
|
1286 |
if (arrayContains(nodeTypes, t)) {
|
|
|
1287 |
return n;
|
|
|
1288 |
}
|
|
|
1289 |
n = n.parentNode;
|
|
|
1290 |
}
|
|
|
1291 |
return null;
|
|
|
1292 |
};
|
|
|
1293 |
}
|
|
|
1294 |
|
|
|
1295 |
var getDocumentOrFragmentContainer = createAncestorFinder( [9, 11] );
|
|
|
1296 |
var getReadonlyAncestor = createAncestorFinder(readonlyNodeTypes);
|
|
|
1297 |
var getDocTypeNotationEntityAncestor = createAncestorFinder( [6, 10, 12] );
|
|
|
1298 |
var getElementAncestor = createAncestorFinder( [1] );
|
|
|
1299 |
|
|
|
1300 |
function assertNoDocTypeNotationEntityAncestor(node, allowSelf) {
|
|
|
1301 |
if (getDocTypeNotationEntityAncestor(node, allowSelf)) {
|
|
|
1302 |
throw new DOMException("INVALID_NODE_TYPE_ERR");
|
|
|
1303 |
}
|
|
|
1304 |
}
|
|
|
1305 |
|
|
|
1306 |
function assertValidNodeType(node, invalidTypes) {
|
|
|
1307 |
if (!arrayContains(invalidTypes, node.nodeType)) {
|
|
|
1308 |
throw new DOMException("INVALID_NODE_TYPE_ERR");
|
|
|
1309 |
}
|
|
|
1310 |
}
|
|
|
1311 |
|
|
|
1312 |
function assertValidOffset(node, offset) {
|
|
|
1313 |
if (offset < 0 || offset > (isCharacterDataNode(node) ? node.length : node.childNodes.length)) {
|
|
|
1314 |
throw new DOMException("INDEX_SIZE_ERR");
|
|
|
1315 |
}
|
|
|
1316 |
}
|
|
|
1317 |
|
|
|
1318 |
function assertSameDocumentOrFragment(node1, node2) {
|
|
|
1319 |
if (getDocumentOrFragmentContainer(node1, true) !== getDocumentOrFragmentContainer(node2, true)) {
|
|
|
1320 |
throw new DOMException("WRONG_DOCUMENT_ERR");
|
|
|
1321 |
}
|
|
|
1322 |
}
|
|
|
1323 |
|
|
|
1324 |
function assertNodeNotReadOnly(node) {
|
|
|
1325 |
if (getReadonlyAncestor(node, true)) {
|
|
|
1326 |
throw new DOMException("NO_MODIFICATION_ALLOWED_ERR");
|
|
|
1327 |
}
|
|
|
1328 |
}
|
|
|
1329 |
|
|
|
1330 |
function assertNode(node, codeName) {
|
|
|
1331 |
if (!node) {
|
|
|
1332 |
throw new DOMException(codeName);
|
|
|
1333 |
}
|
|
|
1334 |
}
|
|
|
1335 |
|
|
|
1336 |
function isValidOffset(node, offset) {
|
|
|
1337 |
return offset <= (isCharacterDataNode(node) ? node.length : node.childNodes.length);
|
|
|
1338 |
}
|
|
|
1339 |
|
|
|
1340 |
function isRangeValid(range) {
|
|
|
1341 |
return (!!range.startContainer && !!range.endContainer &&
|
|
|
1342 |
!(crashyTextNodes && (dom.isBrokenNode(range.startContainer) || dom.isBrokenNode(range.endContainer))) &&
|
|
|
1343 |
getRootContainer(range.startContainer) == getRootContainer(range.endContainer) &&
|
|
|
1344 |
isValidOffset(range.startContainer, range.startOffset) &&
|
|
|
1345 |
isValidOffset(range.endContainer, range.endOffset));
|
|
|
1346 |
}
|
|
|
1347 |
|
|
|
1348 |
function assertRangeValid(range) {
|
|
|
1349 |
if (!isRangeValid(range)) {
|
|
|
1350 |
throw new Error("Range error: Range is not valid. This usually happens after DOM mutation. Range: (" + range.inspect() + ")");
|
|
|
1351 |
}
|
|
|
1352 |
}
|
|
|
1353 |
|
|
|
1354 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
1355 |
|
|
|
1356 |
// Test the browser's innerHTML support to decide how to implement createContextualFragment
|
|
|
1357 |
var styleEl = document.createElement("style");
|
|
|
1358 |
var htmlParsingConforms = false;
|
|
|
1359 |
try {
|
|
|
1360 |
styleEl.innerHTML = "<b>x</b>";
|
|
|
1361 |
htmlParsingConforms = (styleEl.firstChild.nodeType == 3); // Pre-Blink Opera incorrectly creates an element node
|
|
|
1362 |
} catch (e) {
|
|
|
1363 |
// IE 6 and 7 throw
|
|
|
1364 |
}
|
|
|
1365 |
|
|
|
1366 |
api.features.htmlParsingConforms = htmlParsingConforms;
|
|
|
1367 |
|
|
|
1368 |
var createContextualFragment = htmlParsingConforms ?
|
|
|
1369 |
|
|
|
1370 |
// Implementation as per HTML parsing spec, trusting in the browser's implementation of innerHTML. See
|
|
|
1371 |
// discussion and base code for this implementation at issue 67.
|
|
|
1372 |
// Spec: http://html5.org/specs/dom-parsing.html#extensions-to-the-range-interface
|
|
|
1373 |
// Thanks to Aleks Williams.
|
|
|
1374 |
function(fragmentStr) {
|
|
|
1375 |
// "Let node the context object's start's node."
|
|
|
1376 |
var node = this.startContainer;
|
|
|
1377 |
var doc = getDocument(node);
|
|
|
1378 |
|
|
|
1379 |
// "If the context object's start's node is null, raise an INVALID_STATE_ERR
|
|
|
1380 |
// exception and abort these steps."
|
|
|
1381 |
if (!node) {
|
|
|
1382 |
throw new DOMException("INVALID_STATE_ERR");
|
|
|
1383 |
}
|
|
|
1384 |
|
|
|
1385 |
// "Let element be as follows, depending on node's interface:"
|
|
|
1386 |
// Document, Document Fragment: null
|
|
|
1387 |
var el = null;
|
|
|
1388 |
|
|
|
1389 |
// "Element: node"
|
|
|
1390 |
if (node.nodeType == 1) {
|
|
|
1391 |
el = node;
|
|
|
1392 |
|
|
|
1393 |
// "Text, Comment: node's parentElement"
|
|
|
1394 |
} else if (isCharacterDataNode(node)) {
|
|
|
1395 |
el = dom.parentElement(node);
|
|
|
1396 |
}
|
|
|
1397 |
|
|
|
1398 |
// "If either element is null or element's ownerDocument is an HTML document
|
|
|
1399 |
// and element's local name is "html" and element's namespace is the HTML
|
|
|
1400 |
// namespace"
|
|
|
1401 |
if (el === null || (
|
|
|
1402 |
el.nodeName == "HTML" &&
|
|
|
1403 |
dom.isHtmlNamespace(getDocument(el).documentElement) &&
|
|
|
1404 |
dom.isHtmlNamespace(el)
|
|
|
1405 |
)) {
|
|
|
1406 |
|
|
|
1407 |
// "let element be a new Element with "body" as its local name and the HTML
|
|
|
1408 |
// namespace as its namespace.""
|
|
|
1409 |
el = doc.createElement("body");
|
|
|
1410 |
} else {
|
|
|
1411 |
el = el.cloneNode(false);
|
|
|
1412 |
}
|
|
|
1413 |
|
|
|
1414 |
// "If the node's document is an HTML document: Invoke the HTML fragment parsing algorithm."
|
|
|
1415 |
// "If the node's document is an XML document: Invoke the XML fragment parsing algorithm."
|
|
|
1416 |
// "In either case, the algorithm must be invoked with fragment as the input
|
|
|
1417 |
// and element as the context element."
|
|
|
1418 |
el.innerHTML = fragmentStr;
|
|
|
1419 |
|
|
|
1420 |
// "If this raises an exception, then abort these steps. Otherwise, let new
|
|
|
1421 |
// children be the nodes returned."
|
|
|
1422 |
|
|
|
1423 |
// "Let fragment be a new DocumentFragment."
|
|
|
1424 |
// "Append all new children to fragment."
|
|
|
1425 |
// "Return fragment."
|
|
|
1426 |
return dom.fragmentFromNodeChildren(el);
|
|
|
1427 |
} :
|
|
|
1428 |
|
|
|
1429 |
// In this case, innerHTML cannot be trusted, so fall back to a simpler, non-conformant implementation that
|
|
|
1430 |
// previous versions of Rangy used (with the exception of using a body element rather than a div)
|
|
|
1431 |
function(fragmentStr) {
|
|
|
1432 |
var doc = getRangeDocument(this);
|
|
|
1433 |
var el = doc.createElement("body");
|
|
|
1434 |
el.innerHTML = fragmentStr;
|
|
|
1435 |
|
|
|
1436 |
return dom.fragmentFromNodeChildren(el);
|
|
|
1437 |
};
|
|
|
1438 |
|
|
|
1439 |
function splitRangeBoundaries(range, positionsToPreserve) {
|
|
|
1440 |
assertRangeValid(range);
|
|
|
1441 |
|
|
|
1442 |
var sc = range.startContainer, so = range.startOffset, ec = range.endContainer, eo = range.endOffset;
|
|
|
1443 |
var startEndSame = (sc === ec);
|
|
|
1444 |
|
|
|
1445 |
if (isCharacterDataNode(ec) && eo > 0 && eo < ec.length) {
|
|
|
1446 |
splitDataNode(ec, eo, positionsToPreserve);
|
|
|
1447 |
}
|
|
|
1448 |
|
|
|
1449 |
if (isCharacterDataNode(sc) && so > 0 && so < sc.length) {
|
|
|
1450 |
sc = splitDataNode(sc, so, positionsToPreserve);
|
|
|
1451 |
if (startEndSame) {
|
|
|
1452 |
eo -= so;
|
|
|
1453 |
ec = sc;
|
|
|
1454 |
} else if (ec == sc.parentNode && eo >= getNodeIndex(sc)) {
|
|
|
1455 |
eo++;
|
|
|
1456 |
}
|
|
|
1457 |
so = 0;
|
|
|
1458 |
}
|
|
|
1459 |
range.setStartAndEnd(sc, so, ec, eo);
|
|
|
1460 |
}
|
|
|
1461 |
|
|
|
1462 |
function rangeToHtml(range) {
|
|
|
1463 |
assertRangeValid(range);
|
|
|
1464 |
var container = range.commonAncestorContainer.parentNode.cloneNode(false);
|
|
|
1465 |
container.appendChild( range.cloneContents() );
|
|
|
1466 |
return container.innerHTML;
|
|
|
1467 |
}
|
|
|
1468 |
|
|
|
1469 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
1470 |
|
|
|
1471 |
var rangeProperties = ["startContainer", "startOffset", "endContainer", "endOffset", "collapsed",
|
|
|
1472 |
"commonAncestorContainer"];
|
|
|
1473 |
|
|
|
1474 |
var s2s = 0, s2e = 1, e2e = 2, e2s = 3;
|
|
|
1475 |
var n_b = 0, n_a = 1, n_b_a = 2, n_i = 3;
|
|
|
1476 |
|
|
|
1477 |
util.extend(api.rangePrototype, {
|
|
|
1478 |
compareBoundaryPoints: function(how, range) {
|
|
|
1479 |
assertRangeValid(this);
|
|
|
1480 |
assertSameDocumentOrFragment(this.startContainer, range.startContainer);
|
|
|
1481 |
|
|
|
1482 |
var nodeA, offsetA, nodeB, offsetB;
|
|
|
1483 |
var prefixA = (how == e2s || how == s2s) ? "start" : "end";
|
|
|
1484 |
var prefixB = (how == s2e || how == s2s) ? "start" : "end";
|
|
|
1485 |
nodeA = this[prefixA + "Container"];
|
|
|
1486 |
offsetA = this[prefixA + "Offset"];
|
|
|
1487 |
nodeB = range[prefixB + "Container"];
|
|
|
1488 |
offsetB = range[prefixB + "Offset"];
|
|
|
1489 |
return comparePoints(nodeA, offsetA, nodeB, offsetB);
|
|
|
1490 |
},
|
|
|
1491 |
|
|
|
1492 |
insertNode: function(node) {
|
|
|
1493 |
assertRangeValid(this);
|
|
|
1494 |
assertValidNodeType(node, insertableNodeTypes);
|
|
|
1495 |
assertNodeNotReadOnly(this.startContainer);
|
|
|
1496 |
|
|
|
1497 |
if (isOrIsAncestorOf(node, this.startContainer)) {
|
|
|
1498 |
throw new DOMException("HIERARCHY_REQUEST_ERR");
|
|
|
1499 |
}
|
|
|
1500 |
|
|
|
1501 |
// No check for whether the container of the start of the Range is of a type that does not allow
|
|
|
1502 |
// children of the type of node: the browser's DOM implementation should do this for us when we attempt
|
|
|
1503 |
// to add the node
|
|
|
1504 |
|
|
|
1505 |
var firstNodeInserted = insertNodeAtPosition(node, this.startContainer, this.startOffset);
|
|
|
1506 |
this.setStartBefore(firstNodeInserted);
|
|
|
1507 |
},
|
|
|
1508 |
|
|
|
1509 |
cloneContents: function() {
|
|
|
1510 |
assertRangeValid(this);
|
|
|
1511 |
|
|
|
1512 |
var clone, frag;
|
|
|
1513 |
if (this.collapsed) {
|
|
|
1514 |
return getRangeDocument(this).createDocumentFragment();
|
|
|
1515 |
} else {
|
|
|
1516 |
if (this.startContainer === this.endContainer && isCharacterDataNode(this.startContainer)) {
|
|
|
1517 |
clone = this.startContainer.cloneNode(true);
|
|
|
1518 |
clone.data = clone.data.slice(this.startOffset, this.endOffset);
|
|
|
1519 |
frag = getRangeDocument(this).createDocumentFragment();
|
|
|
1520 |
frag.appendChild(clone);
|
|
|
1521 |
return frag;
|
|
|
1522 |
} else {
|
|
|
1523 |
var iterator = new RangeIterator(this, true);
|
|
|
1524 |
clone = cloneSubtree(iterator);
|
|
|
1525 |
iterator.detach();
|
|
|
1526 |
}
|
|
|
1527 |
return clone;
|
|
|
1528 |
}
|
|
|
1529 |
},
|
|
|
1530 |
|
|
|
1531 |
canSurroundContents: function() {
|
|
|
1532 |
assertRangeValid(this);
|
|
|
1533 |
assertNodeNotReadOnly(this.startContainer);
|
|
|
1534 |
assertNodeNotReadOnly(this.endContainer);
|
|
|
1535 |
|
|
|
1536 |
// Check if the contents can be surrounded. Specifically, this means whether the range partially selects
|
|
|
1537 |
// no non-text nodes.
|
|
|
1538 |
var iterator = new RangeIterator(this, true);
|
|
|
1539 |
var boundariesInvalid = (iterator._first && (isNonTextPartiallySelected(iterator._first, this)) ||
|
|
|
1540 |
(iterator._last && isNonTextPartiallySelected(iterator._last, this)));
|
|
|
1541 |
iterator.detach();
|
|
|
1542 |
return !boundariesInvalid;
|
|
|
1543 |
},
|
|
|
1544 |
|
|
|
1545 |
surroundContents: function(node) {
|
|
|
1546 |
assertValidNodeType(node, surroundNodeTypes);
|
|
|
1547 |
|
|
|
1548 |
if (!this.canSurroundContents()) {
|
|
|
1549 |
throw new DOMException("INVALID_STATE_ERR");
|
|
|
1550 |
}
|
|
|
1551 |
|
|
|
1552 |
// Extract the contents
|
|
|
1553 |
var content = this.extractContents();
|
|
|
1554 |
|
|
|
1555 |
// Clear the children of the node
|
|
|
1556 |
if (node.hasChildNodes()) {
|
|
|
1557 |
while (node.lastChild) {
|
|
|
1558 |
node.removeChild(node.lastChild);
|
|
|
1559 |
}
|
|
|
1560 |
}
|
|
|
1561 |
|
|
|
1562 |
// Insert the new node and add the extracted contents
|
|
|
1563 |
insertNodeAtPosition(node, this.startContainer, this.startOffset);
|
|
|
1564 |
node.appendChild(content);
|
|
|
1565 |
|
|
|
1566 |
this.selectNode(node);
|
|
|
1567 |
},
|
|
|
1568 |
|
|
|
1569 |
cloneRange: function() {
|
|
|
1570 |
assertRangeValid(this);
|
|
|
1571 |
var range = new Range(getRangeDocument(this));
|
|
|
1572 |
var i = rangeProperties.length, prop;
|
|
|
1573 |
while (i--) {
|
|
|
1574 |
prop = rangeProperties[i];
|
|
|
1575 |
range[prop] = this[prop];
|
|
|
1576 |
}
|
|
|
1577 |
return range;
|
|
|
1578 |
},
|
|
|
1579 |
|
|
|
1580 |
toString: function() {
|
|
|
1581 |
assertRangeValid(this);
|
|
|
1582 |
var sc = this.startContainer;
|
|
|
1583 |
if (sc === this.endContainer && isCharacterDataNode(sc)) {
|
|
|
1584 |
return (sc.nodeType == 3 || sc.nodeType == 4) ? sc.data.slice(this.startOffset, this.endOffset) : "";
|
|
|
1585 |
} else {
|
|
|
1586 |
var textParts = [], iterator = new RangeIterator(this, true);
|
|
|
1587 |
iterateSubtree(iterator, function(node) {
|
|
|
1588 |
// Accept only text or CDATA nodes, not comments
|
|
|
1589 |
if (node.nodeType == 3 || node.nodeType == 4) {
|
|
|
1590 |
textParts.push(node.data);
|
|
|
1591 |
}
|
|
|
1592 |
});
|
|
|
1593 |
iterator.detach();
|
|
|
1594 |
return textParts.join("");
|
|
|
1595 |
}
|
|
|
1596 |
},
|
|
|
1597 |
|
|
|
1598 |
// The methods below are all non-standard. The following batch were introduced by Mozilla but have since
|
|
|
1599 |
// been removed from Mozilla.
|
|
|
1600 |
|
|
|
1601 |
compareNode: function(node) {
|
|
|
1602 |
assertRangeValid(this);
|
|
|
1603 |
|
|
|
1604 |
var parent = node.parentNode;
|
|
|
1605 |
var nodeIndex = getNodeIndex(node);
|
|
|
1606 |
|
|
|
1607 |
if (!parent) {
|
|
|
1608 |
throw new DOMException("NOT_FOUND_ERR");
|
|
|
1609 |
}
|
|
|
1610 |
|
|
|
1611 |
var startComparison = this.comparePoint(parent, nodeIndex),
|
|
|
1612 |
endComparison = this.comparePoint(parent, nodeIndex + 1);
|
|
|
1613 |
|
|
|
1614 |
if (startComparison < 0) { // Node starts before
|
|
|
1615 |
return (endComparison > 0) ? n_b_a : n_b;
|
|
|
1616 |
} else {
|
|
|
1617 |
return (endComparison > 0) ? n_a : n_i;
|
|
|
1618 |
}
|
|
|
1619 |
},
|
|
|
1620 |
|
|
|
1621 |
comparePoint: function(node, offset) {
|
|
|
1622 |
assertRangeValid(this);
|
|
|
1623 |
assertNode(node, "HIERARCHY_REQUEST_ERR");
|
|
|
1624 |
assertSameDocumentOrFragment(node, this.startContainer);
|
|
|
1625 |
|
|
|
1626 |
if (comparePoints(node, offset, this.startContainer, this.startOffset) < 0) {
|
|
|
1627 |
return -1;
|
|
|
1628 |
} else if (comparePoints(node, offset, this.endContainer, this.endOffset) > 0) {
|
|
|
1629 |
return 1;
|
|
|
1630 |
}
|
|
|
1631 |
return 0;
|
|
|
1632 |
},
|
|
|
1633 |
|
|
|
1634 |
createContextualFragment: createContextualFragment,
|
|
|
1635 |
|
|
|
1636 |
toHtml: function() {
|
|
|
1637 |
return rangeToHtml(this);
|
|
|
1638 |
},
|
|
|
1639 |
|
|
|
1640 |
// touchingIsIntersecting determines whether this method considers a node that borders a range intersects
|
|
|
1641 |
// with it (as in WebKit) or not (as in Gecko pre-1.9, and the default)
|
|
|
1642 |
intersectsNode: function(node, touchingIsIntersecting) {
|
|
|
1643 |
assertRangeValid(this);
|
|
|
1644 |
if (getRootContainer(node) != getRangeRoot(this)) {
|
|
|
1645 |
return false;
|
|
|
1646 |
}
|
|
|
1647 |
|
|
|
1648 |
var parent = node.parentNode, offset = getNodeIndex(node);
|
|
|
1649 |
if (!parent) {
|
|
|
1650 |
return true;
|
|
|
1651 |
}
|
|
|
1652 |
|
|
|
1653 |
var startComparison = comparePoints(parent, offset, this.endContainer, this.endOffset),
|
|
|
1654 |
endComparison = comparePoints(parent, offset + 1, this.startContainer, this.startOffset);
|
|
|
1655 |
|
|
|
1656 |
return touchingIsIntersecting ? startComparison <= 0 && endComparison >= 0 : startComparison < 0 && endComparison > 0;
|
|
|
1657 |
},
|
|
|
1658 |
|
|
|
1659 |
isPointInRange: function(node, offset) {
|
|
|
1660 |
assertRangeValid(this);
|
|
|
1661 |
assertNode(node, "HIERARCHY_REQUEST_ERR");
|
|
|
1662 |
assertSameDocumentOrFragment(node, this.startContainer);
|
|
|
1663 |
|
|
|
1664 |
return (comparePoints(node, offset, this.startContainer, this.startOffset) >= 0) &&
|
|
|
1665 |
(comparePoints(node, offset, this.endContainer, this.endOffset) <= 0);
|
|
|
1666 |
},
|
|
|
1667 |
|
|
|
1668 |
// The methods below are non-standard and invented by me.
|
|
|
1669 |
|
|
|
1670 |
// Sharing a boundary start-to-end or end-to-start does not count as intersection.
|
|
|
1671 |
intersectsRange: function(range) {
|
|
|
1672 |
return rangesIntersect(this, range, false);
|
|
|
1673 |
},
|
|
|
1674 |
|
|
|
1675 |
// Sharing a boundary start-to-end or end-to-start does count as intersection.
|
|
|
1676 |
intersectsOrTouchesRange: function(range) {
|
|
|
1677 |
return rangesIntersect(this, range, true);
|
|
|
1678 |
},
|
|
|
1679 |
|
|
|
1680 |
intersection: function(range) {
|
|
|
1681 |
if (this.intersectsRange(range)) {
|
|
|
1682 |
var startComparison = comparePoints(this.startContainer, this.startOffset, range.startContainer, range.startOffset),
|
|
|
1683 |
endComparison = comparePoints(this.endContainer, this.endOffset, range.endContainer, range.endOffset);
|
|
|
1684 |
|
|
|
1685 |
var intersectionRange = this.cloneRange();
|
|
|
1686 |
if (startComparison == -1) {
|
|
|
1687 |
intersectionRange.setStart(range.startContainer, range.startOffset);
|
|
|
1688 |
}
|
|
|
1689 |
if (endComparison == 1) {
|
|
|
1690 |
intersectionRange.setEnd(range.endContainer, range.endOffset);
|
|
|
1691 |
}
|
|
|
1692 |
return intersectionRange;
|
|
|
1693 |
}
|
|
|
1694 |
return null;
|
|
|
1695 |
},
|
|
|
1696 |
|
|
|
1697 |
union: function(range) {
|
|
|
1698 |
if (this.intersectsOrTouchesRange(range)) {
|
|
|
1699 |
var unionRange = this.cloneRange();
|
|
|
1700 |
if (comparePoints(range.startContainer, range.startOffset, this.startContainer, this.startOffset) == -1) {
|
|
|
1701 |
unionRange.setStart(range.startContainer, range.startOffset);
|
|
|
1702 |
}
|
|
|
1703 |
if (comparePoints(range.endContainer, range.endOffset, this.endContainer, this.endOffset) == 1) {
|
|
|
1704 |
unionRange.setEnd(range.endContainer, range.endOffset);
|
|
|
1705 |
}
|
|
|
1706 |
return unionRange;
|
|
|
1707 |
} else {
|
|
|
1708 |
throw new DOMException("Ranges do not intersect");
|
|
|
1709 |
}
|
|
|
1710 |
},
|
|
|
1711 |
|
|
|
1712 |
containsNode: function(node, allowPartial) {
|
|
|
1713 |
if (allowPartial) {
|
|
|
1714 |
return this.intersectsNode(node, false);
|
|
|
1715 |
} else {
|
|
|
1716 |
return this.compareNode(node) == n_i;
|
|
|
1717 |
}
|
|
|
1718 |
},
|
|
|
1719 |
|
|
|
1720 |
containsNodeContents: function(node) {
|
|
|
1721 |
return this.comparePoint(node, 0) >= 0 && this.comparePoint(node, getNodeLength(node)) <= 0;
|
|
|
1722 |
},
|
|
|
1723 |
|
|
|
1724 |
containsRange: function(range) {
|
|
|
1725 |
var intersection = this.intersection(range);
|
|
|
1726 |
return intersection !== null && range.equals(intersection);
|
|
|
1727 |
},
|
|
|
1728 |
|
|
|
1729 |
containsNodeText: function(node) {
|
|
|
1730 |
var nodeRange = this.cloneRange();
|
|
|
1731 |
nodeRange.selectNode(node);
|
|
|
1732 |
var textNodes = nodeRange.getNodes([3]);
|
|
|
1733 |
if (textNodes.length > 0) {
|
|
|
1734 |
nodeRange.setStart(textNodes[0], 0);
|
|
|
1735 |
var lastTextNode = textNodes.pop();
|
|
|
1736 |
nodeRange.setEnd(lastTextNode, lastTextNode.length);
|
|
|
1737 |
return this.containsRange(nodeRange);
|
|
|
1738 |
} else {
|
|
|
1739 |
return this.containsNodeContents(node);
|
|
|
1740 |
}
|
|
|
1741 |
},
|
|
|
1742 |
|
|
|
1743 |
getNodes: function(nodeTypes, filter) {
|
|
|
1744 |
assertRangeValid(this);
|
|
|
1745 |
return getNodesInRange(this, nodeTypes, filter);
|
|
|
1746 |
},
|
|
|
1747 |
|
|
|
1748 |
getDocument: function() {
|
|
|
1749 |
return getRangeDocument(this);
|
|
|
1750 |
},
|
|
|
1751 |
|
|
|
1752 |
collapseBefore: function(node) {
|
|
|
1753 |
this.setEndBefore(node);
|
|
|
1754 |
this.collapse(false);
|
|
|
1755 |
},
|
|
|
1756 |
|
|
|
1757 |
collapseAfter: function(node) {
|
|
|
1758 |
this.setStartAfter(node);
|
|
|
1759 |
this.collapse(true);
|
|
|
1760 |
},
|
|
|
1761 |
|
|
|
1762 |
getBookmark: function(containerNode) {
|
|
|
1763 |
var doc = getRangeDocument(this);
|
|
|
1764 |
var preSelectionRange = api.createRange(doc);
|
|
|
1765 |
containerNode = containerNode || dom.getBody(doc);
|
|
|
1766 |
preSelectionRange.selectNodeContents(containerNode);
|
|
|
1767 |
var range = this.intersection(preSelectionRange);
|
|
|
1768 |
var start = 0, end = 0;
|
|
|
1769 |
if (range) {
|
|
|
1770 |
preSelectionRange.setEnd(range.startContainer, range.startOffset);
|
|
|
1771 |
start = preSelectionRange.toString().length;
|
|
|
1772 |
end = start + range.toString().length;
|
|
|
1773 |
}
|
|
|
1774 |
|
|
|
1775 |
return {
|
|
|
1776 |
start: start,
|
|
|
1777 |
end: end,
|
|
|
1778 |
containerNode: containerNode
|
|
|
1779 |
};
|
|
|
1780 |
},
|
|
|
1781 |
|
|
|
1782 |
moveToBookmark: function(bookmark) {
|
|
|
1783 |
var containerNode = bookmark.containerNode;
|
|
|
1784 |
var charIndex = 0;
|
|
|
1785 |
this.setStart(containerNode, 0);
|
|
|
1786 |
this.collapse(true);
|
|
|
1787 |
var nodeStack = [containerNode], node, foundStart = false, stop = false;
|
|
|
1788 |
var nextCharIndex, i, childNodes;
|
|
|
1789 |
|
|
|
1790 |
while (!stop && (node = nodeStack.pop())) {
|
|
|
1791 |
if (node.nodeType == 3) {
|
|
|
1792 |
nextCharIndex = charIndex + node.length;
|
|
|
1793 |
if (!foundStart && bookmark.start >= charIndex && bookmark.start <= nextCharIndex) {
|
|
|
1794 |
this.setStart(node, bookmark.start - charIndex);
|
|
|
1795 |
foundStart = true;
|
|
|
1796 |
}
|
|
|
1797 |
if (foundStart && bookmark.end >= charIndex && bookmark.end <= nextCharIndex) {
|
|
|
1798 |
this.setEnd(node, bookmark.end - charIndex);
|
|
|
1799 |
stop = true;
|
|
|
1800 |
}
|
|
|
1801 |
charIndex = nextCharIndex;
|
|
|
1802 |
} else {
|
|
|
1803 |
childNodes = node.childNodes;
|
|
|
1804 |
i = childNodes.length;
|
|
|
1805 |
while (i--) {
|
|
|
1806 |
nodeStack.push(childNodes[i]);
|
|
|
1807 |
}
|
|
|
1808 |
}
|
|
|
1809 |
}
|
|
|
1810 |
},
|
|
|
1811 |
|
|
|
1812 |
getName: function() {
|
|
|
1813 |
return "DomRange";
|
|
|
1814 |
},
|
|
|
1815 |
|
|
|
1816 |
equals: function(range) {
|
|
|
1817 |
return Range.rangesEqual(this, range);
|
|
|
1818 |
},
|
|
|
1819 |
|
|
|
1820 |
isValid: function() {
|
|
|
1821 |
return isRangeValid(this);
|
|
|
1822 |
},
|
|
|
1823 |
|
|
|
1824 |
inspect: function() {
|
|
|
1825 |
return inspect(this);
|
|
|
1826 |
},
|
|
|
1827 |
|
|
|
1828 |
detach: function() {
|
|
|
1829 |
// In DOM4, detach() is now a no-op.
|
|
|
1830 |
}
|
|
|
1831 |
});
|
|
|
1832 |
|
|
|
1833 |
function copyComparisonConstantsToObject(obj) {
|
|
|
1834 |
obj.START_TO_START = s2s;
|
|
|
1835 |
obj.START_TO_END = s2e;
|
|
|
1836 |
obj.END_TO_END = e2e;
|
|
|
1837 |
obj.END_TO_START = e2s;
|
|
|
1838 |
|
|
|
1839 |
obj.NODE_BEFORE = n_b;
|
|
|
1840 |
obj.NODE_AFTER = n_a;
|
|
|
1841 |
obj.NODE_BEFORE_AND_AFTER = n_b_a;
|
|
|
1842 |
obj.NODE_INSIDE = n_i;
|
|
|
1843 |
}
|
|
|
1844 |
|
|
|
1845 |
function copyComparisonConstants(constructor) {
|
|
|
1846 |
copyComparisonConstantsToObject(constructor);
|
|
|
1847 |
copyComparisonConstantsToObject(constructor.prototype);
|
|
|
1848 |
}
|
|
|
1849 |
|
|
|
1850 |
function createRangeContentRemover(remover, boundaryUpdater) {
|
|
|
1851 |
return function() {
|
|
|
1852 |
assertRangeValid(this);
|
|
|
1853 |
|
|
|
1854 |
var sc = this.startContainer, so = this.startOffset, root = this.commonAncestorContainer;
|
|
|
1855 |
|
|
|
1856 |
var iterator = new RangeIterator(this, true);
|
|
|
1857 |
|
|
|
1858 |
// Work out where to position the range after content removal
|
|
|
1859 |
var node, boundary;
|
|
|
1860 |
if (sc !== root) {
|
|
|
1861 |
node = getClosestAncestorIn(sc, root, true);
|
|
|
1862 |
boundary = getBoundaryAfterNode(node);
|
|
|
1863 |
sc = boundary.node;
|
|
|
1864 |
so = boundary.offset;
|
|
|
1865 |
}
|
|
|
1866 |
|
|
|
1867 |
// Check none of the range is read-only
|
|
|
1868 |
iterateSubtree(iterator, assertNodeNotReadOnly);
|
|
|
1869 |
|
|
|
1870 |
iterator.reset();
|
|
|
1871 |
|
|
|
1872 |
// Remove the content
|
|
|
1873 |
var returnValue = remover(iterator);
|
|
|
1874 |
iterator.detach();
|
|
|
1875 |
|
|
|
1876 |
// Move to the new position
|
|
|
1877 |
boundaryUpdater(this, sc, so, sc, so);
|
|
|
1878 |
|
|
|
1879 |
return returnValue;
|
|
|
1880 |
};
|
|
|
1881 |
}
|
|
|
1882 |
|
|
|
1883 |
function createPrototypeRange(constructor, boundaryUpdater) {
|
|
|
1884 |
function createBeforeAfterNodeSetter(isBefore, isStart) {
|
|
|
1885 |
return function(node) {
|
|
|
1886 |
assertValidNodeType(node, beforeAfterNodeTypes);
|
|
|
1887 |
assertValidNodeType(getRootContainer(node), rootContainerNodeTypes);
|
|
|
1888 |
|
|
|
1889 |
var boundary = (isBefore ? getBoundaryBeforeNode : getBoundaryAfterNode)(node);
|
|
|
1890 |
(isStart ? setRangeStart : setRangeEnd)(this, boundary.node, boundary.offset);
|
|
|
1891 |
};
|
|
|
1892 |
}
|
|
|
1893 |
|
|
|
1894 |
function setRangeStart(range, node, offset) {
|
|
|
1895 |
var ec = range.endContainer, eo = range.endOffset;
|
|
|
1896 |
if (node !== range.startContainer || offset !== range.startOffset) {
|
|
|
1897 |
// Check the root containers of the range and the new boundary, and also check whether the new boundary
|
|
|
1898 |
// is after the current end. In either case, collapse the range to the new position
|
|
|
1899 |
if (getRootContainer(node) != getRootContainer(ec) || comparePoints(node, offset, ec, eo) == 1) {
|
|
|
1900 |
ec = node;
|
|
|
1901 |
eo = offset;
|
|
|
1902 |
}
|
|
|
1903 |
boundaryUpdater(range, node, offset, ec, eo);
|
|
|
1904 |
}
|
|
|
1905 |
}
|
|
|
1906 |
|
|
|
1907 |
function setRangeEnd(range, node, offset) {
|
|
|
1908 |
var sc = range.startContainer, so = range.startOffset;
|
|
|
1909 |
if (node !== range.endContainer || offset !== range.endOffset) {
|
|
|
1910 |
// Check the root containers of the range and the new boundary, and also check whether the new boundary
|
|
|
1911 |
// is after the current end. In either case, collapse the range to the new position
|
|
|
1912 |
if (getRootContainer(node) != getRootContainer(sc) || comparePoints(node, offset, sc, so) == -1) {
|
|
|
1913 |
sc = node;
|
|
|
1914 |
so = offset;
|
|
|
1915 |
}
|
|
|
1916 |
boundaryUpdater(range, sc, so, node, offset);
|
|
|
1917 |
}
|
|
|
1918 |
}
|
|
|
1919 |
|
|
|
1920 |
// Set up inheritance
|
|
|
1921 |
var F = function() {};
|
|
|
1922 |
F.prototype = api.rangePrototype;
|
|
|
1923 |
constructor.prototype = new F();
|
|
|
1924 |
|
|
|
1925 |
util.extend(constructor.prototype, {
|
|
|
1926 |
setStart: function(node, offset) {
|
|
|
1927 |
assertNoDocTypeNotationEntityAncestor(node, true);
|
|
|
1928 |
assertValidOffset(node, offset);
|
|
|
1929 |
|
|
|
1930 |
setRangeStart(this, node, offset);
|
|
|
1931 |
},
|
|
|
1932 |
|
|
|
1933 |
setEnd: function(node, offset) {
|
|
|
1934 |
assertNoDocTypeNotationEntityAncestor(node, true);
|
|
|
1935 |
assertValidOffset(node, offset);
|
|
|
1936 |
|
|
|
1937 |
setRangeEnd(this, node, offset);
|
|
|
1938 |
},
|
|
|
1939 |
|
|
|
1940 |
/**
|
|
|
1941 |
* Convenience method to set a range's start and end boundaries. Overloaded as follows:
|
|
|
1942 |
* - Two parameters (node, offset) creates a collapsed range at that position
|
|
|
1943 |
* - Three parameters (node, startOffset, endOffset) creates a range contained with node starting at
|
|
|
1944 |
* startOffset and ending at endOffset
|
|
|
1945 |
* - Four parameters (startNode, startOffset, endNode, endOffset) creates a range starting at startOffset in
|
|
|
1946 |
* startNode and ending at endOffset in endNode
|
|
|
1947 |
*/
|
|
|
1948 |
setStartAndEnd: function() {
|
|
|
1949 |
var args = arguments;
|
|
|
1950 |
var sc = args[0], so = args[1], ec = sc, eo = so;
|
|
|
1951 |
|
|
|
1952 |
switch (args.length) {
|
|
|
1953 |
case 3:
|
|
|
1954 |
eo = args[2];
|
|
|
1955 |
break;
|
|
|
1956 |
case 4:
|
|
|
1957 |
ec = args[2];
|
|
|
1958 |
eo = args[3];
|
|
|
1959 |
break;
|
|
|
1960 |
}
|
|
|
1961 |
|
|
|
1962 |
assertNoDocTypeNotationEntityAncestor(sc, true);
|
|
|
1963 |
assertValidOffset(sc, so);
|
|
|
1964 |
|
|
|
1965 |
assertNoDocTypeNotationEntityAncestor(ec, true);
|
|
|
1966 |
assertValidOffset(ec, eo);
|
|
|
1967 |
|
|
|
1968 |
boundaryUpdater(this, sc, so, ec, eo);
|
|
|
1969 |
},
|
|
|
1970 |
|
|
|
1971 |
setBoundary: function(node, offset, isStart) {
|
|
|
1972 |
this["set" + (isStart ? "Start" : "End")](node, offset);
|
|
|
1973 |
},
|
|
|
1974 |
|
|
|
1975 |
setStartBefore: createBeforeAfterNodeSetter(true, true),
|
|
|
1976 |
setStartAfter: createBeforeAfterNodeSetter(false, true),
|
|
|
1977 |
setEndBefore: createBeforeAfterNodeSetter(true, false),
|
|
|
1978 |
setEndAfter: createBeforeAfterNodeSetter(false, false),
|
|
|
1979 |
|
|
|
1980 |
collapse: function(isStart) {
|
|
|
1981 |
assertRangeValid(this);
|
|
|
1982 |
if (isStart) {
|
|
|
1983 |
boundaryUpdater(this, this.startContainer, this.startOffset, this.startContainer, this.startOffset);
|
|
|
1984 |
} else {
|
|
|
1985 |
boundaryUpdater(this, this.endContainer, this.endOffset, this.endContainer, this.endOffset);
|
|
|
1986 |
}
|
|
|
1987 |
},
|
|
|
1988 |
|
|
|
1989 |
selectNodeContents: function(node) {
|
|
|
1990 |
assertNoDocTypeNotationEntityAncestor(node, true);
|
|
|
1991 |
|
|
|
1992 |
boundaryUpdater(this, node, 0, node, getNodeLength(node));
|
|
|
1993 |
},
|
|
|
1994 |
|
|
|
1995 |
selectNode: function(node) {
|
|
|
1996 |
assertNoDocTypeNotationEntityAncestor(node, false);
|
|
|
1997 |
assertValidNodeType(node, beforeAfterNodeTypes);
|
|
|
1998 |
|
|
|
1999 |
var start = getBoundaryBeforeNode(node), end = getBoundaryAfterNode(node);
|
|
|
2000 |
boundaryUpdater(this, start.node, start.offset, end.node, end.offset);
|
|
|
2001 |
},
|
|
|
2002 |
|
|
|
2003 |
extractContents: createRangeContentRemover(extractSubtree, boundaryUpdater),
|
|
|
2004 |
|
|
|
2005 |
deleteContents: createRangeContentRemover(deleteSubtree, boundaryUpdater),
|
|
|
2006 |
|
|
|
2007 |
canSurroundContents: function() {
|
|
|
2008 |
assertRangeValid(this);
|
|
|
2009 |
assertNodeNotReadOnly(this.startContainer);
|
|
|
2010 |
assertNodeNotReadOnly(this.endContainer);
|
|
|
2011 |
|
|
|
2012 |
// Check if the contents can be surrounded. Specifically, this means whether the range partially selects
|
|
|
2013 |
// no non-text nodes.
|
|
|
2014 |
var iterator = new RangeIterator(this, true);
|
|
|
2015 |
var boundariesInvalid = (iterator._first && isNonTextPartiallySelected(iterator._first, this) ||
|
|
|
2016 |
(iterator._last && isNonTextPartiallySelected(iterator._last, this)));
|
|
|
2017 |
iterator.detach();
|
|
|
2018 |
return !boundariesInvalid;
|
|
|
2019 |
},
|
|
|
2020 |
|
|
|
2021 |
splitBoundaries: function() {
|
|
|
2022 |
splitRangeBoundaries(this);
|
|
|
2023 |
},
|
|
|
2024 |
|
|
|
2025 |
splitBoundariesPreservingPositions: function(positionsToPreserve) {
|
|
|
2026 |
splitRangeBoundaries(this, positionsToPreserve);
|
|
|
2027 |
},
|
|
|
2028 |
|
|
|
2029 |
normalizeBoundaries: function() {
|
|
|
2030 |
assertRangeValid(this);
|
|
|
2031 |
|
|
|
2032 |
var sc = this.startContainer, so = this.startOffset, ec = this.endContainer, eo = this.endOffset;
|
|
|
2033 |
|
|
|
2034 |
var mergeForward = function(node) {
|
|
|
2035 |
var sibling = node.nextSibling;
|
|
|
2036 |
if (sibling && sibling.nodeType == node.nodeType) {
|
|
|
2037 |
ec = node;
|
|
|
2038 |
eo = node.length;
|
|
|
2039 |
node.appendData(sibling.data);
|
|
|
2040 |
removeNode(sibling);
|
|
|
2041 |
}
|
|
|
2042 |
};
|
|
|
2043 |
|
|
|
2044 |
var mergeBackward = function(node) {
|
|
|
2045 |
var sibling = node.previousSibling;
|
|
|
2046 |
if (sibling && sibling.nodeType == node.nodeType) {
|
|
|
2047 |
sc = node;
|
|
|
2048 |
var nodeLength = node.length;
|
|
|
2049 |
so = sibling.length;
|
|
|
2050 |
node.insertData(0, sibling.data);
|
|
|
2051 |
removeNode(sibling);
|
|
|
2052 |
if (sc == ec) {
|
|
|
2053 |
eo += so;
|
|
|
2054 |
ec = sc;
|
|
|
2055 |
} else if (ec == node.parentNode) {
|
|
|
2056 |
var nodeIndex = getNodeIndex(node);
|
|
|
2057 |
if (eo == nodeIndex) {
|
|
|
2058 |
ec = node;
|
|
|
2059 |
eo = nodeLength;
|
|
|
2060 |
} else if (eo > nodeIndex) {
|
|
|
2061 |
eo--;
|
|
|
2062 |
}
|
|
|
2063 |
}
|
|
|
2064 |
}
|
|
|
2065 |
};
|
|
|
2066 |
|
|
|
2067 |
var normalizeStart = true;
|
|
|
2068 |
var sibling;
|
|
|
2069 |
|
|
|
2070 |
if (isCharacterDataNode(ec)) {
|
|
|
2071 |
if (eo == ec.length) {
|
|
|
2072 |
mergeForward(ec);
|
|
|
2073 |
} else if (eo == 0) {
|
|
|
2074 |
sibling = ec.previousSibling;
|
|
|
2075 |
if (sibling && sibling.nodeType == ec.nodeType) {
|
|
|
2076 |
eo = sibling.length;
|
|
|
2077 |
if (sc == ec) {
|
|
|
2078 |
normalizeStart = false;
|
|
|
2079 |
}
|
|
|
2080 |
sibling.appendData(ec.data);
|
|
|
2081 |
removeNode(ec);
|
|
|
2082 |
ec = sibling;
|
|
|
2083 |
}
|
|
|
2084 |
}
|
|
|
2085 |
} else {
|
|
|
2086 |
if (eo > 0) {
|
|
|
2087 |
var endNode = ec.childNodes[eo - 1];
|
|
|
2088 |
if (endNode && isCharacterDataNode(endNode)) {
|
|
|
2089 |
mergeForward(endNode);
|
|
|
2090 |
}
|
|
|
2091 |
}
|
|
|
2092 |
normalizeStart = !this.collapsed;
|
|
|
2093 |
}
|
|
|
2094 |
|
|
|
2095 |
if (normalizeStart) {
|
|
|
2096 |
if (isCharacterDataNode(sc)) {
|
|
|
2097 |
if (so == 0) {
|
|
|
2098 |
mergeBackward(sc);
|
|
|
2099 |
} else if (so == sc.length) {
|
|
|
2100 |
sibling = sc.nextSibling;
|
|
|
2101 |
if (sibling && sibling.nodeType == sc.nodeType) {
|
|
|
2102 |
if (ec == sibling) {
|
|
|
2103 |
ec = sc;
|
|
|
2104 |
eo += sc.length;
|
|
|
2105 |
}
|
|
|
2106 |
sc.appendData(sibling.data);
|
|
|
2107 |
removeNode(sibling);
|
|
|
2108 |
}
|
|
|
2109 |
}
|
|
|
2110 |
} else {
|
|
|
2111 |
if (so < sc.childNodes.length) {
|
|
|
2112 |
var startNode = sc.childNodes[so];
|
|
|
2113 |
if (startNode && isCharacterDataNode(startNode)) {
|
|
|
2114 |
mergeBackward(startNode);
|
|
|
2115 |
}
|
|
|
2116 |
}
|
|
|
2117 |
}
|
|
|
2118 |
} else {
|
|
|
2119 |
sc = ec;
|
|
|
2120 |
so = eo;
|
|
|
2121 |
}
|
|
|
2122 |
|
|
|
2123 |
boundaryUpdater(this, sc, so, ec, eo);
|
|
|
2124 |
},
|
|
|
2125 |
|
|
|
2126 |
collapseToPoint: function(node, offset) {
|
|
|
2127 |
assertNoDocTypeNotationEntityAncestor(node, true);
|
|
|
2128 |
assertValidOffset(node, offset);
|
|
|
2129 |
this.setStartAndEnd(node, offset);
|
|
|
2130 |
},
|
|
|
2131 |
|
|
|
2132 |
parentElement: function() {
|
|
|
2133 |
assertRangeValid(this);
|
|
|
2134 |
var parentNode = this.commonAncestorContainer;
|
|
|
2135 |
return parentNode ? getElementAncestor(this.commonAncestorContainer, true) : null;
|
|
|
2136 |
}
|
|
|
2137 |
});
|
|
|
2138 |
|
|
|
2139 |
copyComparisonConstants(constructor);
|
|
|
2140 |
}
|
|
|
2141 |
|
|
|
2142 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
2143 |
|
|
|
2144 |
// Updates commonAncestorContainer and collapsed after boundary change
|
|
|
2145 |
function updateCollapsedAndCommonAncestor(range) {
|
|
|
2146 |
range.collapsed = (range.startContainer === range.endContainer && range.startOffset === range.endOffset);
|
|
|
2147 |
range.commonAncestorContainer = range.collapsed ?
|
|
|
2148 |
range.startContainer : dom.getCommonAncestor(range.startContainer, range.endContainer);
|
|
|
2149 |
}
|
|
|
2150 |
|
|
|
2151 |
function updateBoundaries(range, startContainer, startOffset, endContainer, endOffset) {
|
|
|
2152 |
range.startContainer = startContainer;
|
|
|
2153 |
range.startOffset = startOffset;
|
|
|
2154 |
range.endContainer = endContainer;
|
|
|
2155 |
range.endOffset = endOffset;
|
|
|
2156 |
range.document = dom.getDocument(startContainer);
|
|
|
2157 |
updateCollapsedAndCommonAncestor(range);
|
|
|
2158 |
}
|
|
|
2159 |
|
|
|
2160 |
function Range(doc) {
|
|
|
2161 |
updateBoundaries(this, doc, 0, doc, 0);
|
|
|
2162 |
}
|
|
|
2163 |
|
|
|
2164 |
createPrototypeRange(Range, updateBoundaries);
|
|
|
2165 |
|
|
|
2166 |
util.extend(Range, {
|
|
|
2167 |
rangeProperties: rangeProperties,
|
|
|
2168 |
RangeIterator: RangeIterator,
|
|
|
2169 |
copyComparisonConstants: copyComparisonConstants,
|
|
|
2170 |
createPrototypeRange: createPrototypeRange,
|
|
|
2171 |
inspect: inspect,
|
|
|
2172 |
toHtml: rangeToHtml,
|
|
|
2173 |
getRangeDocument: getRangeDocument,
|
|
|
2174 |
rangesEqual: function(r1, r2) {
|
|
|
2175 |
return r1.startContainer === r2.startContainer &&
|
|
|
2176 |
r1.startOffset === r2.startOffset &&
|
|
|
2177 |
r1.endContainer === r2.endContainer &&
|
|
|
2178 |
r1.endOffset === r2.endOffset;
|
|
|
2179 |
}
|
|
|
2180 |
});
|
|
|
2181 |
|
|
|
2182 |
api.DomRange = Range;
|
|
|
2183 |
});
|
|
|
2184 |
|
|
|
2185 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
2186 |
|
|
|
2187 |
// Wrappers for the browser's native DOM Range and/or TextRange implementation
|
|
|
2188 |
api.createCoreModule("WrappedRange", ["DomRange"], function(api, module) {
|
|
|
2189 |
var WrappedRange, WrappedTextRange;
|
|
|
2190 |
var dom = api.dom;
|
|
|
2191 |
var util = api.util;
|
|
|
2192 |
var DomPosition = dom.DomPosition;
|
|
|
2193 |
var DomRange = api.DomRange;
|
|
|
2194 |
var getBody = dom.getBody;
|
|
|
2195 |
var getContentDocument = dom.getContentDocument;
|
|
|
2196 |
var isCharacterDataNode = dom.isCharacterDataNode;
|
|
|
2197 |
|
|
|
2198 |
|
|
|
2199 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
2200 |
|
|
|
2201 |
if (api.features.implementsDomRange) {
|
|
|
2202 |
// This is a wrapper around the browser's native DOM Range. It has two aims:
|
|
|
2203 |
// - Provide workarounds for specific browser bugs
|
|
|
2204 |
// - provide convenient extensions, which are inherited from Rangy's DomRange
|
|
|
2205 |
|
|
|
2206 |
(function() {
|
|
|
2207 |
var rangeProto;
|
|
|
2208 |
var rangeProperties = DomRange.rangeProperties;
|
|
|
2209 |
|
|
|
2210 |
function updateRangeProperties(range) {
|
|
|
2211 |
var i = rangeProperties.length, prop;
|
|
|
2212 |
while (i--) {
|
|
|
2213 |
prop = rangeProperties[i];
|
|
|
2214 |
range[prop] = range.nativeRange[prop];
|
|
|
2215 |
}
|
|
|
2216 |
// Fix for broken collapsed property in IE 9.
|
|
|
2217 |
range.collapsed = (range.startContainer === range.endContainer && range.startOffset === range.endOffset);
|
|
|
2218 |
}
|
|
|
2219 |
|
|
|
2220 |
function updateNativeRange(range, startContainer, startOffset, endContainer, endOffset) {
|
|
|
2221 |
var startMoved = (range.startContainer !== startContainer || range.startOffset != startOffset);
|
|
|
2222 |
var endMoved = (range.endContainer !== endContainer || range.endOffset != endOffset);
|
|
|
2223 |
var nativeRangeDifferent = !range.equals(range.nativeRange);
|
|
|
2224 |
|
|
|
2225 |
// Always set both boundaries for the benefit of IE9 (see issue 35)
|
|
|
2226 |
if (startMoved || endMoved || nativeRangeDifferent) {
|
|
|
2227 |
range.setEnd(endContainer, endOffset);
|
|
|
2228 |
range.setStart(startContainer, startOffset);
|
|
|
2229 |
}
|
|
|
2230 |
}
|
|
|
2231 |
|
|
|
2232 |
var createBeforeAfterNodeSetter;
|
|
|
2233 |
|
|
|
2234 |
WrappedRange = function(range) {
|
|
|
2235 |
if (!range) {
|
|
|
2236 |
throw module.createError("WrappedRange: Range must be specified");
|
|
|
2237 |
}
|
|
|
2238 |
this.nativeRange = range;
|
|
|
2239 |
updateRangeProperties(this);
|
|
|
2240 |
};
|
|
|
2241 |
|
|
|
2242 |
DomRange.createPrototypeRange(WrappedRange, updateNativeRange);
|
|
|
2243 |
|
|
|
2244 |
rangeProto = WrappedRange.prototype;
|
|
|
2245 |
|
|
|
2246 |
rangeProto.selectNode = function(node) {
|
|
|
2247 |
this.nativeRange.selectNode(node);
|
|
|
2248 |
updateRangeProperties(this);
|
|
|
2249 |
};
|
|
|
2250 |
|
|
|
2251 |
rangeProto.cloneContents = function() {
|
|
|
2252 |
return this.nativeRange.cloneContents();
|
|
|
2253 |
};
|
|
|
2254 |
|
|
|
2255 |
// Due to a long-standing Firefox bug that I have not been able to find a reliable way to detect,
|
|
|
2256 |
// insertNode() is never delegated to the native range.
|
|
|
2257 |
|
|
|
2258 |
rangeProto.surroundContents = function(node) {
|
|
|
2259 |
this.nativeRange.surroundContents(node);
|
|
|
2260 |
updateRangeProperties(this);
|
|
|
2261 |
};
|
|
|
2262 |
|
|
|
2263 |
rangeProto.collapse = function(isStart) {
|
|
|
2264 |
this.nativeRange.collapse(isStart);
|
|
|
2265 |
updateRangeProperties(this);
|
|
|
2266 |
};
|
|
|
2267 |
|
|
|
2268 |
rangeProto.cloneRange = function() {
|
|
|
2269 |
return new WrappedRange(this.nativeRange.cloneRange());
|
|
|
2270 |
};
|
|
|
2271 |
|
|
|
2272 |
rangeProto.refresh = function() {
|
|
|
2273 |
updateRangeProperties(this);
|
|
|
2274 |
};
|
|
|
2275 |
|
|
|
2276 |
rangeProto.toString = function() {
|
|
|
2277 |
return this.nativeRange.toString();
|
|
|
2278 |
};
|
|
|
2279 |
|
|
|
2280 |
// Create test range and node for feature detection
|
|
|
2281 |
|
|
|
2282 |
var testTextNode = document.createTextNode("test");
|
|
|
2283 |
getBody(document).appendChild(testTextNode);
|
|
|
2284 |
var range = document.createRange();
|
|
|
2285 |
|
|
|
2286 |
/*--------------------------------------------------------------------------------------------------------*/
|
|
|
2287 |
|
|
|
2288 |
// Test for Firefox 2 bug that prevents moving the start of a Range to a point after its current end and
|
|
|
2289 |
// correct for it
|
|
|
2290 |
|
|
|
2291 |
range.setStart(testTextNode, 0);
|
|
|
2292 |
range.setEnd(testTextNode, 0);
|
|
|
2293 |
|
|
|
2294 |
try {
|
|
|
2295 |
range.setStart(testTextNode, 1);
|
|
|
2296 |
|
|
|
2297 |
rangeProto.setStart = function(node, offset) {
|
|
|
2298 |
this.nativeRange.setStart(node, offset);
|
|
|
2299 |
updateRangeProperties(this);
|
|
|
2300 |
};
|
|
|
2301 |
|
|
|
2302 |
rangeProto.setEnd = function(node, offset) {
|
|
|
2303 |
this.nativeRange.setEnd(node, offset);
|
|
|
2304 |
updateRangeProperties(this);
|
|
|
2305 |
};
|
|
|
2306 |
|
|
|
2307 |
createBeforeAfterNodeSetter = function(name) {
|
|
|
2308 |
return function(node) {
|
|
|
2309 |
this.nativeRange[name](node);
|
|
|
2310 |
updateRangeProperties(this);
|
|
|
2311 |
};
|
|
|
2312 |
};
|
|
|
2313 |
|
|
|
2314 |
} catch(ex) {
|
|
|
2315 |
|
|
|
2316 |
rangeProto.setStart = function(node, offset) {
|
|
|
2317 |
try {
|
|
|
2318 |
this.nativeRange.setStart(node, offset);
|
|
|
2319 |
} catch (ex) {
|
|
|
2320 |
this.nativeRange.setEnd(node, offset);
|
|
|
2321 |
this.nativeRange.setStart(node, offset);
|
|
|
2322 |
}
|
|
|
2323 |
updateRangeProperties(this);
|
|
|
2324 |
};
|
|
|
2325 |
|
|
|
2326 |
rangeProto.setEnd = function(node, offset) {
|
|
|
2327 |
try {
|
|
|
2328 |
this.nativeRange.setEnd(node, offset);
|
|
|
2329 |
} catch (ex) {
|
|
|
2330 |
this.nativeRange.setStart(node, offset);
|
|
|
2331 |
this.nativeRange.setEnd(node, offset);
|
|
|
2332 |
}
|
|
|
2333 |
updateRangeProperties(this);
|
|
|
2334 |
};
|
|
|
2335 |
|
|
|
2336 |
createBeforeAfterNodeSetter = function(name, oppositeName) {
|
|
|
2337 |
return function(node) {
|
|
|
2338 |
try {
|
|
|
2339 |
this.nativeRange[name](node);
|
|
|
2340 |
} catch (ex) {
|
|
|
2341 |
this.nativeRange[oppositeName](node);
|
|
|
2342 |
this.nativeRange[name](node);
|
|
|
2343 |
}
|
|
|
2344 |
updateRangeProperties(this);
|
|
|
2345 |
};
|
|
|
2346 |
};
|
|
|
2347 |
}
|
|
|
2348 |
|
|
|
2349 |
rangeProto.setStartBefore = createBeforeAfterNodeSetter("setStartBefore", "setEndBefore");
|
|
|
2350 |
rangeProto.setStartAfter = createBeforeAfterNodeSetter("setStartAfter", "setEndAfter");
|
|
|
2351 |
rangeProto.setEndBefore = createBeforeAfterNodeSetter("setEndBefore", "setStartBefore");
|
|
|
2352 |
rangeProto.setEndAfter = createBeforeAfterNodeSetter("setEndAfter", "setStartAfter");
|
|
|
2353 |
|
|
|
2354 |
/*--------------------------------------------------------------------------------------------------------*/
|
|
|
2355 |
|
|
|
2356 |
// Always use DOM4-compliant selectNodeContents implementation: it's simpler and less code than testing
|
|
|
2357 |
// whether the native implementation can be trusted
|
|
|
2358 |
rangeProto.selectNodeContents = function(node) {
|
|
|
2359 |
this.setStartAndEnd(node, 0, dom.getNodeLength(node));
|
|
|
2360 |
};
|
|
|
2361 |
|
|
|
2362 |
/*--------------------------------------------------------------------------------------------------------*/
|
|
|
2363 |
|
|
|
2364 |
// Test for and correct WebKit bug that has the behaviour of compareBoundaryPoints round the wrong way for
|
|
|
2365 |
// constants START_TO_END and END_TO_START: https://bugs.webkit.org/show_bug.cgi?id=20738
|
|
|
2366 |
|
|
|
2367 |
range.selectNodeContents(testTextNode);
|
|
|
2368 |
range.setEnd(testTextNode, 3);
|
|
|
2369 |
|
|
|
2370 |
var range2 = document.createRange();
|
|
|
2371 |
range2.selectNodeContents(testTextNode);
|
|
|
2372 |
range2.setEnd(testTextNode, 4);
|
|
|
2373 |
range2.setStart(testTextNode, 2);
|
|
|
2374 |
|
|
|
2375 |
if (range.compareBoundaryPoints(range.START_TO_END, range2) == -1 &&
|
|
|
2376 |
range.compareBoundaryPoints(range.END_TO_START, range2) == 1) {
|
|
|
2377 |
// This is the wrong way round, so correct for it
|
|
|
2378 |
|
|
|
2379 |
rangeProto.compareBoundaryPoints = function(type, range) {
|
|
|
2380 |
range = range.nativeRange || range;
|
|
|
2381 |
if (type == range.START_TO_END) {
|
|
|
2382 |
type = range.END_TO_START;
|
|
|
2383 |
} else if (type == range.END_TO_START) {
|
|
|
2384 |
type = range.START_TO_END;
|
|
|
2385 |
}
|
|
|
2386 |
return this.nativeRange.compareBoundaryPoints(type, range);
|
|
|
2387 |
};
|
|
|
2388 |
} else {
|
|
|
2389 |
rangeProto.compareBoundaryPoints = function(type, range) {
|
|
|
2390 |
return this.nativeRange.compareBoundaryPoints(type, range.nativeRange || range);
|
|
|
2391 |
};
|
|
|
2392 |
}
|
|
|
2393 |
|
|
|
2394 |
/*--------------------------------------------------------------------------------------------------------*/
|
|
|
2395 |
|
|
|
2396 |
// Test for IE deleteContents() and extractContents() bug and correct it. See issue 107.
|
|
|
2397 |
|
|
|
2398 |
var el = document.createElement("div");
|
|
|
2399 |
el.innerHTML = "123";
|
|
|
2400 |
var textNode = el.firstChild;
|
|
|
2401 |
var body = getBody(document);
|
|
|
2402 |
body.appendChild(el);
|
|
|
2403 |
|
|
|
2404 |
range.setStart(textNode, 1);
|
|
|
2405 |
range.setEnd(textNode, 2);
|
|
|
2406 |
range.deleteContents();
|
|
|
2407 |
|
|
|
2408 |
if (textNode.data == "13") {
|
|
|
2409 |
// Behaviour is correct per DOM4 Range so wrap the browser's implementation of deleteContents() and
|
|
|
2410 |
// extractContents()
|
|
|
2411 |
rangeProto.deleteContents = function() {
|
|
|
2412 |
this.nativeRange.deleteContents();
|
|
|
2413 |
updateRangeProperties(this);
|
|
|
2414 |
};
|
|
|
2415 |
|
|
|
2416 |
rangeProto.extractContents = function() {
|
|
|
2417 |
var frag = this.nativeRange.extractContents();
|
|
|
2418 |
updateRangeProperties(this);
|
|
|
2419 |
return frag;
|
|
|
2420 |
};
|
|
|
2421 |
} else {
|
|
|
2422 |
}
|
|
|
2423 |
|
|
|
2424 |
body.removeChild(el);
|
|
|
2425 |
body = null;
|
|
|
2426 |
|
|
|
2427 |
/*--------------------------------------------------------------------------------------------------------*/
|
|
|
2428 |
|
|
|
2429 |
// Test for existence of createContextualFragment and delegate to it if it exists
|
|
|
2430 |
if (util.isHostMethod(range, "createContextualFragment")) {
|
|
|
2431 |
rangeProto.createContextualFragment = function(fragmentStr) {
|
|
|
2432 |
return this.nativeRange.createContextualFragment(fragmentStr);
|
|
|
2433 |
};
|
|
|
2434 |
}
|
|
|
2435 |
|
|
|
2436 |
/*--------------------------------------------------------------------------------------------------------*/
|
|
|
2437 |
|
|
|
2438 |
// Clean up
|
|
|
2439 |
getBody(document).removeChild(testTextNode);
|
|
|
2440 |
|
|
|
2441 |
rangeProto.getName = function() {
|
|
|
2442 |
return "WrappedRange";
|
|
|
2443 |
};
|
|
|
2444 |
|
|
|
2445 |
api.WrappedRange = WrappedRange;
|
|
|
2446 |
|
|
|
2447 |
api.createNativeRange = function(doc) {
|
|
|
2448 |
doc = getContentDocument(doc, module, "createNativeRange");
|
|
|
2449 |
return doc.createRange();
|
|
|
2450 |
};
|
|
|
2451 |
})();
|
|
|
2452 |
}
|
|
|
2453 |
|
|
|
2454 |
if (api.features.implementsTextRange) {
|
|
|
2455 |
/*
|
|
|
2456 |
This is a workaround for a bug where IE returns the wrong container element from the TextRange's parentElement()
|
|
|
2457 |
method. For example, in the following (where pipes denote the selection boundaries):
|
|
|
2458 |
|
|
|
2459 |
<ul id="ul"><li id="a">| a </li><li id="b"> b |</li></ul>
|
|
|
2460 |
|
|
|
2461 |
var range = document.selection.createRange();
|
|
|
2462 |
alert(range.parentElement().id); // Should alert "ul" but alerts "b"
|
|
|
2463 |
|
|
|
2464 |
This method returns the common ancestor node of the following:
|
|
|
2465 |
- the parentElement() of the textRange
|
|
|
2466 |
- the parentElement() of the textRange after calling collapse(true)
|
|
|
2467 |
- the parentElement() of the textRange after calling collapse(false)
|
|
|
2468 |
*/
|
|
|
2469 |
var getTextRangeContainerElement = function(textRange) {
|
|
|
2470 |
var parentEl = textRange.parentElement();
|
|
|
2471 |
var range = textRange.duplicate();
|
|
|
2472 |
range.collapse(true);
|
|
|
2473 |
var startEl = range.parentElement();
|
|
|
2474 |
range = textRange.duplicate();
|
|
|
2475 |
range.collapse(false);
|
|
|
2476 |
var endEl = range.parentElement();
|
|
|
2477 |
var startEndContainer = (startEl == endEl) ? startEl : dom.getCommonAncestor(startEl, endEl);
|
|
|
2478 |
|
|
|
2479 |
return startEndContainer == parentEl ? startEndContainer : dom.getCommonAncestor(parentEl, startEndContainer);
|
|
|
2480 |
};
|
|
|
2481 |
|
|
|
2482 |
var textRangeIsCollapsed = function(textRange) {
|
|
|
2483 |
return textRange.compareEndPoints("StartToEnd", textRange) == 0;
|
|
|
2484 |
};
|
|
|
2485 |
|
|
|
2486 |
// Gets the boundary of a TextRange expressed as a node and an offset within that node. This function started
|
|
|
2487 |
// out as an improved version of code found in Tim Cameron Ryan's IERange (http://code.google.com/p/ierange/)
|
|
|
2488 |
// but has grown, fixing problems with line breaks in preformatted text, adding workaround for IE TextRange
|
|
|
2489 |
// bugs, handling for inputs and images, plus optimizations.
|
|
|
2490 |
var getTextRangeBoundaryPosition = function(textRange, wholeRangeContainerElement, isStart, isCollapsed, startInfo) {
|
|
|
2491 |
var workingRange = textRange.duplicate();
|
|
|
2492 |
workingRange.collapse(isStart);
|
|
|
2493 |
var containerElement = workingRange.parentElement();
|
|
|
2494 |
|
|
|
2495 |
// Sometimes collapsing a TextRange that's at the start of a text node can move it into the previous node, so
|
|
|
2496 |
// check for that
|
|
|
2497 |
if (!dom.isOrIsAncestorOf(wholeRangeContainerElement, containerElement)) {
|
|
|
2498 |
containerElement = wholeRangeContainerElement;
|
|
|
2499 |
}
|
|
|
2500 |
|
|
|
2501 |
|
|
|
2502 |
// Deal with nodes that cannot "contain rich HTML markup". In practice, this means form inputs, images and
|
|
|
2503 |
// similar. See http://msdn.microsoft.com/en-us/library/aa703950%28VS.85%29.aspx
|
|
|
2504 |
if (!containerElement.canHaveHTML) {
|
|
|
2505 |
var pos = new DomPosition(containerElement.parentNode, dom.getNodeIndex(containerElement));
|
|
|
2506 |
return {
|
|
|
2507 |
boundaryPosition: pos,
|
|
|
2508 |
nodeInfo: {
|
|
|
2509 |
nodeIndex: pos.offset,
|
|
|
2510 |
containerElement: pos.node
|
|
|
2511 |
}
|
|
|
2512 |
};
|
|
|
2513 |
}
|
|
|
2514 |
|
|
|
2515 |
var workingNode = dom.getDocument(containerElement).createElement("span");
|
|
|
2516 |
|
|
|
2517 |
// Workaround for HTML5 Shiv's insane violation of document.createElement(). See Rangy issue 104 and HTML5
|
|
|
2518 |
// Shiv issue 64: https://github.com/aFarkas/html5shiv/issues/64
|
|
|
2519 |
if (workingNode.parentNode) {
|
|
|
2520 |
dom.removeNode(workingNode);
|
|
|
2521 |
}
|
|
|
2522 |
|
|
|
2523 |
var comparison, workingComparisonType = isStart ? "StartToStart" : "StartToEnd";
|
|
|
2524 |
var previousNode, nextNode, boundaryPosition, boundaryNode;
|
|
|
2525 |
var start = (startInfo && startInfo.containerElement == containerElement) ? startInfo.nodeIndex : 0;
|
|
|
2526 |
var childNodeCount = containerElement.childNodes.length;
|
|
|
2527 |
var end = childNodeCount;
|
|
|
2528 |
|
|
|
2529 |
// Check end first. Code within the loop assumes that the endth child node of the container is definitely
|
|
|
2530 |
// after the range boundary.
|
|
|
2531 |
var nodeIndex = end;
|
|
|
2532 |
|
|
|
2533 |
while (true) {
|
|
|
2534 |
if (nodeIndex == childNodeCount) {
|
|
|
2535 |
containerElement.appendChild(workingNode);
|
|
|
2536 |
} else {
|
|
|
2537 |
containerElement.insertBefore(workingNode, containerElement.childNodes[nodeIndex]);
|
|
|
2538 |
}
|
|
|
2539 |
workingRange.moveToElementText(workingNode);
|
|
|
2540 |
comparison = workingRange.compareEndPoints(workingComparisonType, textRange);
|
|
|
2541 |
if (comparison == 0 || start == end) {
|
|
|
2542 |
break;
|
|
|
2543 |
} else if (comparison == -1) {
|
|
|
2544 |
if (end == start + 1) {
|
|
|
2545 |
// We know the endth child node is after the range boundary, so we must be done.
|
|
|
2546 |
break;
|
|
|
2547 |
} else {
|
|
|
2548 |
start = nodeIndex;
|
|
|
2549 |
}
|
|
|
2550 |
} else {
|
|
|
2551 |
end = (end == start + 1) ? start : nodeIndex;
|
|
|
2552 |
}
|
|
|
2553 |
nodeIndex = Math.floor((start + end) / 2);
|
|
|
2554 |
containerElement.removeChild(workingNode);
|
|
|
2555 |
}
|
|
|
2556 |
|
|
|
2557 |
|
|
|
2558 |
// We've now reached or gone past the boundary of the text range we're interested in
|
|
|
2559 |
// so have identified the node we want
|
|
|
2560 |
boundaryNode = workingNode.nextSibling;
|
|
|
2561 |
|
|
|
2562 |
if (comparison == -1 && boundaryNode && isCharacterDataNode(boundaryNode)) {
|
|
|
2563 |
// This is a character data node (text, comment, cdata). The working range is collapsed at the start of
|
|
|
2564 |
// the node containing the text range's boundary, so we move the end of the working range to the
|
|
|
2565 |
// boundary point and measure the length of its text to get the boundary's offset within the node.
|
|
|
2566 |
workingRange.setEndPoint(isStart ? "EndToStart" : "EndToEnd", textRange);
|
|
|
2567 |
|
|
|
2568 |
var offset;
|
|
|
2569 |
|
|
|
2570 |
if (/[\r\n]/.test(boundaryNode.data)) {
|
|
|
2571 |
/*
|
|
|
2572 |
For the particular case of a boundary within a text node containing rendered line breaks (within a
|
|
|
2573 |
<pre> element, for example), we need a slightly complicated approach to get the boundary's offset in
|
|
|
2574 |
IE. The facts:
|
|
|
2575 |
|
|
|
2576 |
- Each line break is represented as \r in the text node's data/nodeValue properties
|
|
|
2577 |
- Each line break is represented as \r\n in the TextRange's 'text' property
|
|
|
2578 |
- The 'text' property of the TextRange does not contain trailing line breaks
|
|
|
2579 |
|
|
|
2580 |
To get round the problem presented by the final fact above, we can use the fact that TextRange's
|
|
|
2581 |
moveStart() and moveEnd() methods return the actual number of characters moved, which is not
|
|
|
2582 |
necessarily the same as the number of characters it was instructed to move. The simplest approach is
|
|
|
2583 |
to use this to store the characters moved when moving both the start and end of the range to the
|
|
|
2584 |
start of the document body and subtracting the start offset from the end offset (the
|
|
|
2585 |
"move-negative-gazillion" method). However, this is extremely slow when the document is large and
|
|
|
2586 |
the range is near the end of it. Clearly doing the mirror image (i.e. moving the range boundaries to
|
|
|
2587 |
the end of the document) has the same problem.
|
|
|
2588 |
|
|
|
2589 |
Another approach that works is to use moveStart() to move the start boundary of the range up to the
|
|
|
2590 |
end boundary one character at a time and incrementing a counter with the value returned by the
|
|
|
2591 |
moveStart() call. However, the check for whether the start boundary has reached the end boundary is
|
|
|
2592 |
expensive, so this method is slow (although unlike "move-negative-gazillion" is largely unaffected
|
|
|
2593 |
by the location of the range within the document).
|
|
|
2594 |
|
|
|
2595 |
The approach used below is a hybrid of the two methods above. It uses the fact that a string
|
|
|
2596 |
containing the TextRange's 'text' property with each \r\n converted to a single \r character cannot
|
|
|
2597 |
be longer than the text of the TextRange, so the start of the range is moved that length initially
|
|
|
2598 |
and then a character at a time to make up for any trailing line breaks not contained in the 'text'
|
|
|
2599 |
property. This has good performance in most situations compared to the previous two methods.
|
|
|
2600 |
*/
|
|
|
2601 |
var tempRange = workingRange.duplicate();
|
|
|
2602 |
var rangeLength = tempRange.text.replace(/\r\n/g, "\r").length;
|
|
|
2603 |
|
|
|
2604 |
offset = tempRange.moveStart("character", rangeLength);
|
|
|
2605 |
while ( (comparison = tempRange.compareEndPoints("StartToEnd", tempRange)) == -1) {
|
|
|
2606 |
offset++;
|
|
|
2607 |
tempRange.moveStart("character", 1);
|
|
|
2608 |
}
|
|
|
2609 |
} else {
|
|
|
2610 |
offset = workingRange.text.length;
|
|
|
2611 |
}
|
|
|
2612 |
boundaryPosition = new DomPosition(boundaryNode, offset);
|
|
|
2613 |
} else {
|
|
|
2614 |
|
|
|
2615 |
// If the boundary immediately follows a character data node and this is the end boundary, we should favour
|
|
|
2616 |
// a position within that, and likewise for a start boundary preceding a character data node
|
|
|
2617 |
previousNode = (isCollapsed || !isStart) && workingNode.previousSibling;
|
|
|
2618 |
nextNode = (isCollapsed || isStart) && workingNode.nextSibling;
|
|
|
2619 |
if (nextNode && isCharacterDataNode(nextNode)) {
|
|
|
2620 |
boundaryPosition = new DomPosition(nextNode, 0);
|
|
|
2621 |
} else if (previousNode && isCharacterDataNode(previousNode)) {
|
|
|
2622 |
boundaryPosition = new DomPosition(previousNode, previousNode.data.length);
|
|
|
2623 |
} else {
|
|
|
2624 |
boundaryPosition = new DomPosition(containerElement, dom.getNodeIndex(workingNode));
|
|
|
2625 |
}
|
|
|
2626 |
}
|
|
|
2627 |
|
|
|
2628 |
// Clean up
|
|
|
2629 |
dom.removeNode(workingNode);
|
|
|
2630 |
|
|
|
2631 |
return {
|
|
|
2632 |
boundaryPosition: boundaryPosition,
|
|
|
2633 |
nodeInfo: {
|
|
|
2634 |
nodeIndex: nodeIndex,
|
|
|
2635 |
containerElement: containerElement
|
|
|
2636 |
}
|
|
|
2637 |
};
|
|
|
2638 |
};
|
|
|
2639 |
|
|
|
2640 |
// Returns a TextRange representing the boundary of a TextRange expressed as a node and an offset within that
|
|
|
2641 |
// node. This function started out as an optimized version of code found in Tim Cameron Ryan's IERange
|
|
|
2642 |
// (http://code.google.com/p/ierange/)
|
|
|
2643 |
var createBoundaryTextRange = function(boundaryPosition, isStart) {
|
|
|
2644 |
var boundaryNode, boundaryParent, boundaryOffset = boundaryPosition.offset;
|
|
|
2645 |
var doc = dom.getDocument(boundaryPosition.node);
|
|
|
2646 |
var workingNode, childNodes, workingRange = getBody(doc).createTextRange();
|
|
|
2647 |
var nodeIsDataNode = isCharacterDataNode(boundaryPosition.node);
|
|
|
2648 |
|
|
|
2649 |
if (nodeIsDataNode) {
|
|
|
2650 |
boundaryNode = boundaryPosition.node;
|
|
|
2651 |
boundaryParent = boundaryNode.parentNode;
|
|
|
2652 |
} else {
|
|
|
2653 |
childNodes = boundaryPosition.node.childNodes;
|
|
|
2654 |
boundaryNode = (boundaryOffset < childNodes.length) ? childNodes[boundaryOffset] : null;
|
|
|
2655 |
boundaryParent = boundaryPosition.node;
|
|
|
2656 |
}
|
|
|
2657 |
|
|
|
2658 |
// Position the range immediately before the node containing the boundary
|
|
|
2659 |
workingNode = doc.createElement("span");
|
|
|
2660 |
|
|
|
2661 |
// Making the working element non-empty element persuades IE to consider the TextRange boundary to be within
|
|
|
2662 |
// the element rather than immediately before or after it
|
|
|
2663 |
workingNode.innerHTML = "&#feff;";
|
|
|
2664 |
|
|
|
2665 |
// insertBefore is supposed to work like appendChild if the second parameter is null. However, a bug report
|
|
|
2666 |
// for IERange suggests that it can crash the browser: http://code.google.com/p/ierange/issues/detail?id=12
|
|
|
2667 |
if (boundaryNode) {
|
|
|
2668 |
boundaryParent.insertBefore(workingNode, boundaryNode);
|
|
|
2669 |
} else {
|
|
|
2670 |
boundaryParent.appendChild(workingNode);
|
|
|
2671 |
}
|
|
|
2672 |
|
|
|
2673 |
workingRange.moveToElementText(workingNode);
|
|
|
2674 |
workingRange.collapse(!isStart);
|
|
|
2675 |
|
|
|
2676 |
// Clean up
|
|
|
2677 |
boundaryParent.removeChild(workingNode);
|
|
|
2678 |
|
|
|
2679 |
// Move the working range to the text offset, if required
|
|
|
2680 |
if (nodeIsDataNode) {
|
|
|
2681 |
workingRange[isStart ? "moveStart" : "moveEnd"]("character", boundaryOffset);
|
|
|
2682 |
}
|
|
|
2683 |
|
|
|
2684 |
return workingRange;
|
|
|
2685 |
};
|
|
|
2686 |
|
|
|
2687 |
/*------------------------------------------------------------------------------------------------------------*/
|
|
|
2688 |
|
|
|
2689 |
// This is a wrapper around a TextRange, providing full DOM Range functionality using rangy's DomRange as a
|
|
|
2690 |
// prototype
|
|
|
2691 |
|
|
|
2692 |
WrappedTextRange = function(textRange) {
|
|
|
2693 |
this.textRange = textRange;
|
|
|
2694 |
this.refresh();
|
|
|
2695 |
};
|
|
|
2696 |
|
|
|
2697 |
WrappedTextRange.prototype = new DomRange(document);
|
|
|
2698 |
|
|
|
2699 |
WrappedTextRange.prototype.refresh = function() {
|
|
|
2700 |
var start, end, startBoundary;
|
|
|
2701 |
|
|
|
2702 |
// TextRange's parentElement() method cannot be trusted. getTextRangeContainerElement() works around that.
|
|
|
2703 |
var rangeContainerElement = getTextRangeContainerElement(this.textRange);
|
|
|
2704 |
|
|
|
2705 |
if (textRangeIsCollapsed(this.textRange)) {
|
|
|
2706 |
end = start = getTextRangeBoundaryPosition(this.textRange, rangeContainerElement, true,
|
|
|
2707 |
true).boundaryPosition;
|
|
|
2708 |
} else {
|
|
|
2709 |
startBoundary = getTextRangeBoundaryPosition(this.textRange, rangeContainerElement, true, false);
|
|
|
2710 |
start = startBoundary.boundaryPosition;
|
|
|
2711 |
|
|
|
2712 |
// An optimization used here is that if the start and end boundaries have the same parent element, the
|
|
|
2713 |
// search scope for the end boundary can be limited to exclude the portion of the element that precedes
|
|
|
2714 |
// the start boundary
|
|
|
2715 |
end = getTextRangeBoundaryPosition(this.textRange, rangeContainerElement, false, false,
|
|
|
2716 |
startBoundary.nodeInfo).boundaryPosition;
|
|
|
2717 |
}
|
|
|
2718 |
|
|
|
2719 |
this.setStart(start.node, start.offset);
|
|
|
2720 |
this.setEnd(end.node, end.offset);
|
|
|
2721 |
};
|
|
|
2722 |
|
|
|
2723 |
WrappedTextRange.prototype.getName = function() {
|
|
|
2724 |
return "WrappedTextRange";
|
|
|
2725 |
};
|
|
|
2726 |
|
|
|
2727 |
DomRange.copyComparisonConstants(WrappedTextRange);
|
|
|
2728 |
|
|
|
2729 |
var rangeToTextRange = function(range) {
|
|
|
2730 |
if (range.collapsed) {
|
|
|
2731 |
return createBoundaryTextRange(new DomPosition(range.startContainer, range.startOffset), true);
|
|
|
2732 |
} else {
|
|
|
2733 |
var startRange = createBoundaryTextRange(new DomPosition(range.startContainer, range.startOffset), true);
|
|
|
2734 |
var endRange = createBoundaryTextRange(new DomPosition(range.endContainer, range.endOffset), false);
|
|
|
2735 |
var textRange = getBody( DomRange.getRangeDocument(range) ).createTextRange();
|
|
|
2736 |
textRange.setEndPoint("StartToStart", startRange);
|
|
|
2737 |
textRange.setEndPoint("EndToEnd", endRange);
|
|
|
2738 |
return textRange;
|
|
|
2739 |
}
|
|
|
2740 |
};
|
|
|
2741 |
|
|
|
2742 |
WrappedTextRange.rangeToTextRange = rangeToTextRange;
|
|
|
2743 |
|
|
|
2744 |
WrappedTextRange.prototype.toTextRange = function() {
|
|
|
2745 |
return rangeToTextRange(this);
|
|
|
2746 |
};
|
|
|
2747 |
|
|
|
2748 |
api.WrappedTextRange = WrappedTextRange;
|
|
|
2749 |
|
|
|
2750 |
// IE 9 and above have both implementations and Rangy makes both available. The next few lines sets which
|
|
|
2751 |
// implementation to use by default.
|
|
|
2752 |
if (!api.features.implementsDomRange || api.config.preferTextRange) {
|
|
|
2753 |
// Add WrappedTextRange as the Range property of the global object to allow expression like Range.END_TO_END to work
|
|
|
2754 |
var globalObj = (function(f) { return f("return this;")(); })(Function);
|
|
|
2755 |
if (typeof globalObj.Range == "undefined") {
|
|
|
2756 |
globalObj.Range = WrappedTextRange;
|
|
|
2757 |
}
|
|
|
2758 |
|
|
|
2759 |
api.createNativeRange = function(doc) {
|
|
|
2760 |
doc = getContentDocument(doc, module, "createNativeRange");
|
|
|
2761 |
return getBody(doc).createTextRange();
|
|
|
2762 |
};
|
|
|
2763 |
|
|
|
2764 |
api.WrappedRange = WrappedTextRange;
|
|
|
2765 |
}
|
|
|
2766 |
}
|
|
|
2767 |
|
|
|
2768 |
api.createRange = function(doc) {
|
|
|
2769 |
doc = getContentDocument(doc, module, "createRange");
|
|
|
2770 |
return new api.WrappedRange(api.createNativeRange(doc));
|
|
|
2771 |
};
|
|
|
2772 |
|
|
|
2773 |
api.createRangyRange = function(doc) {
|
|
|
2774 |
doc = getContentDocument(doc, module, "createRangyRange");
|
|
|
2775 |
return new DomRange(doc);
|
|
|
2776 |
};
|
|
|
2777 |
|
|
|
2778 |
util.createAliasForDeprecatedMethod(api, "createIframeRange", "createRange");
|
|
|
2779 |
util.createAliasForDeprecatedMethod(api, "createIframeRangyRange", "createRangyRange");
|
|
|
2780 |
|
|
|
2781 |
api.addShimListener(function(win) {
|
|
|
2782 |
var doc = win.document;
|
|
|
2783 |
if (typeof doc.createRange == "undefined") {
|
|
|
2784 |
doc.createRange = function() {
|
|
|
2785 |
return api.createRange(doc);
|
|
|
2786 |
};
|
|
|
2787 |
}
|
|
|
2788 |
doc = win = null;
|
|
|
2789 |
});
|
|
|
2790 |
});
|
|
|
2791 |
|
|
|
2792 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
2793 |
|
|
|
2794 |
// This module creates a selection object wrapper that conforms as closely as possible to the Selection specification
|
|
|
2795 |
// in the W3C Selection API spec (https://www.w3.org/TR/selection-api)
|
|
|
2796 |
api.createCoreModule("WrappedSelection", ["DomRange", "WrappedRange"], function(api, module) {
|
|
|
2797 |
api.config.checkSelectionRanges = true;
|
|
|
2798 |
|
|
|
2799 |
var BOOLEAN = "boolean";
|
|
|
2800 |
var NUMBER = "number";
|
|
|
2801 |
var dom = api.dom;
|
|
|
2802 |
var util = api.util;
|
|
|
2803 |
var isHostMethod = util.isHostMethod;
|
|
|
2804 |
var DomRange = api.DomRange;
|
|
|
2805 |
var WrappedRange = api.WrappedRange;
|
|
|
2806 |
var DOMException = api.DOMException;
|
|
|
2807 |
var DomPosition = dom.DomPosition;
|
|
|
2808 |
var getNativeSelection;
|
|
|
2809 |
var selectionIsCollapsed;
|
|
|
2810 |
var features = api.features;
|
|
|
2811 |
var CONTROL = "Control";
|
|
|
2812 |
var getDocument = dom.getDocument;
|
|
|
2813 |
var getBody = dom.getBody;
|
|
|
2814 |
var rangesEqual = DomRange.rangesEqual;
|
|
|
2815 |
|
|
|
2816 |
|
|
|
2817 |
// Utility function to support direction parameters in the API that may be a string ("backward", "backwards",
|
|
|
2818 |
// "forward" or "forwards") or a Boolean (true for backwards).
|
|
|
2819 |
function isDirectionBackward(dir) {
|
|
|
2820 |
return (typeof dir == "string") ? /^backward(s)?$/i.test(dir) : !!dir;
|
|
|
2821 |
}
|
|
|
2822 |
|
|
|
2823 |
function getWindow(win, methodName) {
|
|
|
2824 |
if (!win) {
|
|
|
2825 |
return window;
|
|
|
2826 |
} else if (dom.isWindow(win)) {
|
|
|
2827 |
return win;
|
|
|
2828 |
} else if (win instanceof WrappedSelection) {
|
|
|
2829 |
return win.win;
|
|
|
2830 |
} else {
|
|
|
2831 |
var doc = dom.getContentDocument(win, module, methodName);
|
|
|
2832 |
return dom.getWindow(doc);
|
|
|
2833 |
}
|
|
|
2834 |
}
|
|
|
2835 |
|
|
|
2836 |
function getWinSelection(winParam) {
|
|
|
2837 |
return getWindow(winParam, "getWinSelection").getSelection();
|
|
|
2838 |
}
|
|
|
2839 |
|
|
|
2840 |
function getDocSelection(winParam) {
|
|
|
2841 |
return getWindow(winParam, "getDocSelection").document.selection;
|
|
|
2842 |
}
|
|
|
2843 |
|
|
|
2844 |
function winSelectionIsBackward(sel) {
|
|
|
2845 |
var backward = false;
|
|
|
2846 |
if (sel.anchorNode) {
|
|
|
2847 |
backward = (dom.comparePoints(sel.anchorNode, sel.anchorOffset, sel.focusNode, sel.focusOffset) == 1);
|
|
|
2848 |
}
|
|
|
2849 |
return backward;
|
|
|
2850 |
}
|
|
|
2851 |
|
|
|
2852 |
// Test for the Range/TextRange and Selection features required
|
|
|
2853 |
// Test for ability to retrieve selection
|
|
|
2854 |
var implementsWinGetSelection = isHostMethod(window, "getSelection"),
|
|
|
2855 |
implementsDocSelection = util.isHostObject(document, "selection");
|
|
|
2856 |
|
|
|
2857 |
features.implementsWinGetSelection = implementsWinGetSelection;
|
|
|
2858 |
features.implementsDocSelection = implementsDocSelection;
|
|
|
2859 |
|
|
|
2860 |
var useDocumentSelection = implementsDocSelection && (!implementsWinGetSelection || api.config.preferTextRange);
|
|
|
2861 |
|
|
|
2862 |
if (useDocumentSelection) {
|
|
|
2863 |
getNativeSelection = getDocSelection;
|
|
|
2864 |
api.isSelectionValid = function(winParam) {
|
|
|
2865 |
var doc = getWindow(winParam, "isSelectionValid").document, nativeSel = doc.selection;
|
|
|
2866 |
|
|
|
2867 |
// Check whether the selection TextRange is actually contained within the correct document
|
|
|
2868 |
return (nativeSel.type != "None" || getDocument(nativeSel.createRange().parentElement()) == doc);
|
|
|
2869 |
};
|
|
|
2870 |
} else if (implementsWinGetSelection) {
|
|
|
2871 |
getNativeSelection = getWinSelection;
|
|
|
2872 |
api.isSelectionValid = function() {
|
|
|
2873 |
return true;
|
|
|
2874 |
};
|
|
|
2875 |
} else {
|
|
|
2876 |
module.fail("Neither document.selection or window.getSelection() detected.");
|
|
|
2877 |
return false;
|
|
|
2878 |
}
|
|
|
2879 |
|
|
|
2880 |
api.getNativeSelection = getNativeSelection;
|
|
|
2881 |
|
|
|
2882 |
var testSelection = getNativeSelection();
|
|
|
2883 |
|
|
|
2884 |
// In Firefox, the selection is null in an iframe with display: none. See issue #138.
|
|
|
2885 |
if (!testSelection) {
|
|
|
2886 |
module.fail("Native selection was null (possibly issue 138?)");
|
|
|
2887 |
return false;
|
|
|
2888 |
}
|
|
|
2889 |
|
|
|
2890 |
var testRange = api.createNativeRange(document);
|
|
|
2891 |
var body = getBody(document);
|
|
|
2892 |
|
|
|
2893 |
// Obtaining a range from a selection
|
|
|
2894 |
var selectionHasAnchorAndFocus = util.areHostProperties(testSelection,
|
|
|
2895 |
["anchorNode", "focusNode", "anchorOffset", "focusOffset"]);
|
|
|
2896 |
|
|
|
2897 |
features.selectionHasAnchorAndFocus = selectionHasAnchorAndFocus;
|
|
|
2898 |
|
|
|
2899 |
// Test for existence of native selection extend() method
|
|
|
2900 |
var selectionHasExtend = isHostMethod(testSelection, "extend");
|
|
|
2901 |
features.selectionHasExtend = selectionHasExtend;
|
|
|
2902 |
|
|
|
2903 |
// Test for existence of native selection setBaseAndExtent() method
|
|
|
2904 |
var selectionHasSetBaseAndExtent = isHostMethod(testSelection, "setBaseAndExtent");
|
|
|
2905 |
features.selectionHasSetBaseAndExtent = selectionHasSetBaseAndExtent;
|
|
|
2906 |
|
|
|
2907 |
// Test if rangeCount exists
|
|
|
2908 |
var selectionHasRangeCount = (typeof testSelection.rangeCount == NUMBER);
|
|
|
2909 |
features.selectionHasRangeCount = selectionHasRangeCount;
|
|
|
2910 |
|
|
|
2911 |
var selectionSupportsMultipleRanges = false;
|
|
|
2912 |
var collapsedNonEditableSelectionsSupported = true;
|
|
|
2913 |
|
|
|
2914 |
var addRangeBackwardToNative = selectionHasExtend ?
|
|
|
2915 |
function(nativeSelection, range) {
|
|
|
2916 |
var doc = DomRange.getRangeDocument(range);
|
|
|
2917 |
var endRange = api.createRange(doc);
|
|
|
2918 |
endRange.collapseToPoint(range.endContainer, range.endOffset);
|
|
|
2919 |
nativeSelection.addRange(getNativeRange(endRange));
|
|
|
2920 |
nativeSelection.extend(range.startContainer, range.startOffset);
|
|
|
2921 |
} : null;
|
|
|
2922 |
|
|
|
2923 |
if (util.areHostMethods(testSelection, ["addRange", "getRangeAt", "removeAllRanges"]) &&
|
|
|
2924 |
typeof testSelection.rangeCount == NUMBER && features.implementsDomRange) {
|
|
|
2925 |
|
|
|
2926 |
(function() {
|
|
|
2927 |
// Previously an iframe was used but this caused problems in some circumstances in IE, so tests are
|
|
|
2928 |
// performed on the current document's selection. See issue 109.
|
|
|
2929 |
|
|
|
2930 |
// Note also that if a selection previously existed, it is wiped and later restored by these tests. This
|
|
|
2931 |
// will result in the selection direction being reversed if the original selection was backwards and the
|
|
|
2932 |
// browser does not support setting backwards selections (Internet Explorer, I'm looking at you).
|
|
|
2933 |
var sel = window.getSelection();
|
|
|
2934 |
if (sel) {
|
|
|
2935 |
// Store the current selection
|
|
|
2936 |
var originalSelectionRangeCount = sel.rangeCount;
|
|
|
2937 |
var selectionHasMultipleRanges = (originalSelectionRangeCount > 1);
|
|
|
2938 |
var originalSelectionRanges = [];
|
|
|
2939 |
var originalSelectionBackward = winSelectionIsBackward(sel);
|
|
|
2940 |
for (var i = 0; i < originalSelectionRangeCount; ++i) {
|
|
|
2941 |
originalSelectionRanges[i] = sel.getRangeAt(i);
|
|
|
2942 |
}
|
|
|
2943 |
|
|
|
2944 |
// Create some test elements
|
|
|
2945 |
var testEl = dom.createTestElement(document, "", false);
|
|
|
2946 |
var textNode = testEl.appendChild( document.createTextNode("\u00a0\u00a0\u00a0") );
|
|
|
2947 |
|
|
|
2948 |
// Test whether the native selection will allow a collapsed selection within a non-editable element
|
|
|
2949 |
var r1 = document.createRange();
|
|
|
2950 |
|
|
|
2951 |
r1.setStart(textNode, 1);
|
|
|
2952 |
r1.collapse(true);
|
|
|
2953 |
sel.removeAllRanges();
|
|
|
2954 |
sel.addRange(r1);
|
|
|
2955 |
collapsedNonEditableSelectionsSupported = (sel.rangeCount == 1);
|
|
|
2956 |
sel.removeAllRanges();
|
|
|
2957 |
|
|
|
2958 |
// Test whether the native selection is capable of supporting multiple ranges.
|
|
|
2959 |
if (!selectionHasMultipleRanges) {
|
|
|
2960 |
// Doing the original feature test here in Chrome 36 (and presumably later versions) prints a
|
|
|
2961 |
// console error of "Discontiguous selection is not supported." that cannot be suppressed. There's
|
|
|
2962 |
// nothing we can do about this while retaining the feature test so we have to resort to a browser
|
|
|
2963 |
// sniff. I'm not happy about it. See
|
|
|
2964 |
// https://code.google.com/p/chromium/issues/detail?id=399791
|
|
|
2965 |
var chromeMatch = window.navigator.appVersion.match(/Chrome\/(.*?) /);
|
|
|
2966 |
if (chromeMatch && parseInt(chromeMatch[1]) >= 36) {
|
|
|
2967 |
selectionSupportsMultipleRanges = false;
|
|
|
2968 |
} else {
|
|
|
2969 |
var r2 = r1.cloneRange();
|
|
|
2970 |
r1.setStart(textNode, 0);
|
|
|
2971 |
r2.setEnd(textNode, 3);
|
|
|
2972 |
r2.setStart(textNode, 2);
|
|
|
2973 |
sel.addRange(r1);
|
|
|
2974 |
sel.addRange(r2);
|
|
|
2975 |
selectionSupportsMultipleRanges = (sel.rangeCount == 2);
|
|
|
2976 |
}
|
|
|
2977 |
}
|
|
|
2978 |
|
|
|
2979 |
// Clean up
|
|
|
2980 |
dom.removeNode(testEl);
|
|
|
2981 |
sel.removeAllRanges();
|
|
|
2982 |
|
|
|
2983 |
for (i = 0; i < originalSelectionRangeCount; ++i) {
|
|
|
2984 |
if (i == 0 && originalSelectionBackward) {
|
|
|
2985 |
if (addRangeBackwardToNative) {
|
|
|
2986 |
addRangeBackwardToNative(sel, originalSelectionRanges[i]);
|
|
|
2987 |
} else {
|
|
|
2988 |
api.warn("Rangy initialization: original selection was backwards but selection has been restored forwards because the browser does not support Selection.extend");
|
|
|
2989 |
sel.addRange(originalSelectionRanges[i]);
|
|
|
2990 |
}
|
|
|
2991 |
} else {
|
|
|
2992 |
sel.addRange(originalSelectionRanges[i]);
|
|
|
2993 |
}
|
|
|
2994 |
}
|
|
|
2995 |
}
|
|
|
2996 |
})();
|
|
|
2997 |
}
|
|
|
2998 |
|
|
|
2999 |
features.selectionSupportsMultipleRanges = selectionSupportsMultipleRanges;
|
|
|
3000 |
features.collapsedNonEditableSelectionsSupported = collapsedNonEditableSelectionsSupported;
|
|
|
3001 |
|
|
|
3002 |
// ControlRanges
|
|
|
3003 |
var implementsControlRange = false, testControlRange;
|
|
|
3004 |
|
|
|
3005 |
if (body && isHostMethod(body, "createControlRange")) {
|
|
|
3006 |
testControlRange = body.createControlRange();
|
|
|
3007 |
if (util.areHostProperties(testControlRange, ["item", "add"])) {
|
|
|
3008 |
implementsControlRange = true;
|
|
|
3009 |
}
|
|
|
3010 |
}
|
|
|
3011 |
features.implementsControlRange = implementsControlRange;
|
|
|
3012 |
|
|
|
3013 |
// Selection collapsedness
|
|
|
3014 |
if (selectionHasAnchorAndFocus) {
|
|
|
3015 |
selectionIsCollapsed = function(sel) {
|
|
|
3016 |
return sel.anchorNode === sel.focusNode && sel.anchorOffset === sel.focusOffset;
|
|
|
3017 |
};
|
|
|
3018 |
} else {
|
|
|
3019 |
selectionIsCollapsed = function(sel) {
|
|
|
3020 |
return sel.rangeCount ? sel.getRangeAt(sel.rangeCount - 1).collapsed : false;
|
|
|
3021 |
};
|
|
|
3022 |
}
|
|
|
3023 |
|
|
|
3024 |
function updateAnchorAndFocusFromRange(sel, range, backward) {
|
|
|
3025 |
var anchorPrefix = backward ? "end" : "start", focusPrefix = backward ? "start" : "end";
|
|
|
3026 |
sel.anchorNode = range[anchorPrefix + "Container"];
|
|
|
3027 |
sel.anchorOffset = range[anchorPrefix + "Offset"];
|
|
|
3028 |
sel.focusNode = range[focusPrefix + "Container"];
|
|
|
3029 |
sel.focusOffset = range[focusPrefix + "Offset"];
|
|
|
3030 |
}
|
|
|
3031 |
|
|
|
3032 |
function updateAnchorAndFocusFromNativeSelection(sel) {
|
|
|
3033 |
var nativeSel = sel.nativeSelection;
|
|
|
3034 |
sel.anchorNode = nativeSel.anchorNode;
|
|
|
3035 |
sel.anchorOffset = nativeSel.anchorOffset;
|
|
|
3036 |
sel.focusNode = nativeSel.focusNode;
|
|
|
3037 |
sel.focusOffset = nativeSel.focusOffset;
|
|
|
3038 |
}
|
|
|
3039 |
|
|
|
3040 |
function updateEmptySelection(sel) {
|
|
|
3041 |
sel.anchorNode = sel.focusNode = null;
|
|
|
3042 |
sel.anchorOffset = sel.focusOffset = 0;
|
|
|
3043 |
sel.rangeCount = 0;
|
|
|
3044 |
sel.isCollapsed = true;
|
|
|
3045 |
sel._ranges.length = 0;
|
|
|
3046 |
updateType(sel);
|
|
|
3047 |
}
|
|
|
3048 |
|
|
|
3049 |
function updateType(sel) {
|
|
|
3050 |
sel.type = (sel.rangeCount == 0) ? "None" : (selectionIsCollapsed(sel) ? "Caret" : "Range");
|
|
|
3051 |
}
|
|
|
3052 |
|
|
|
3053 |
function getNativeRange(range) {
|
|
|
3054 |
var nativeRange;
|
|
|
3055 |
if (range instanceof DomRange) {
|
|
|
3056 |
nativeRange = api.createNativeRange(range.getDocument());
|
|
|
3057 |
nativeRange.setEnd(range.endContainer, range.endOffset);
|
|
|
3058 |
nativeRange.setStart(range.startContainer, range.startOffset);
|
|
|
3059 |
} else if (range instanceof WrappedRange) {
|
|
|
3060 |
nativeRange = range.nativeRange;
|
|
|
3061 |
} else if (features.implementsDomRange && (range instanceof dom.getWindow(range.startContainer).Range)) {
|
|
|
3062 |
nativeRange = range;
|
|
|
3063 |
}
|
|
|
3064 |
return nativeRange;
|
|
|
3065 |
}
|
|
|
3066 |
|
|
|
3067 |
function rangeContainsSingleElement(rangeNodes) {
|
|
|
3068 |
if (!rangeNodes.length || rangeNodes[0].nodeType != 1) {
|
|
|
3069 |
return false;
|
|
|
3070 |
}
|
|
|
3071 |
for (var i = 1, len = rangeNodes.length; i < len; ++i) {
|
|
|
3072 |
if (!dom.isAncestorOf(rangeNodes[0], rangeNodes[i])) {
|
|
|
3073 |
return false;
|
|
|
3074 |
}
|
|
|
3075 |
}
|
|
|
3076 |
return true;
|
|
|
3077 |
}
|
|
|
3078 |
|
|
|
3079 |
function getSingleElementFromRange(range) {
|
|
|
3080 |
var nodes = range.getNodes();
|
|
|
3081 |
if (!rangeContainsSingleElement(nodes)) {
|
|
|
3082 |
throw module.createError("getSingleElementFromRange: range " + range.inspect() + " did not consist of a single element");
|
|
|
3083 |
}
|
|
|
3084 |
return nodes[0];
|
|
|
3085 |
}
|
|
|
3086 |
|
|
|
3087 |
// Simple, quick test which only needs to distinguish between a TextRange and a ControlRange
|
|
|
3088 |
function isTextRange(range) {
|
|
|
3089 |
return !!range && typeof range.text != "undefined";
|
|
|
3090 |
}
|
|
|
3091 |
|
|
|
3092 |
function updateFromTextRange(sel, range) {
|
|
|
3093 |
// Create a Range from the selected TextRange
|
|
|
3094 |
var wrappedRange = new WrappedRange(range);
|
|
|
3095 |
sel._ranges = [wrappedRange];
|
|
|
3096 |
|
|
|
3097 |
updateAnchorAndFocusFromRange(sel, wrappedRange, false);
|
|
|
3098 |
sel.rangeCount = 1;
|
|
|
3099 |
sel.isCollapsed = wrappedRange.collapsed;
|
|
|
3100 |
updateType(sel);
|
|
|
3101 |
}
|
|
|
3102 |
|
|
|
3103 |
function updateControlSelection(sel) {
|
|
|
3104 |
// Update the wrapped selection based on what's now in the native selection
|
|
|
3105 |
sel._ranges.length = 0;
|
|
|
3106 |
if (sel.docSelection.type == "None") {
|
|
|
3107 |
updateEmptySelection(sel);
|
|
|
3108 |
} else {
|
|
|
3109 |
var controlRange = sel.docSelection.createRange();
|
|
|
3110 |
if (isTextRange(controlRange)) {
|
|
|
3111 |
// This case (where the selection type is "Control" and calling createRange() on the selection returns
|
|
|
3112 |
// a TextRange) can happen in IE 9. It happens, for example, when all elements in the selected
|
|
|
3113 |
// ControlRange have been removed from the ControlRange and removed from the document.
|
|
|
3114 |
updateFromTextRange(sel, controlRange);
|
|
|
3115 |
} else {
|
|
|
3116 |
sel.rangeCount = controlRange.length;
|
|
|
3117 |
var range, doc = getDocument(controlRange.item(0));
|
|
|
3118 |
for (var i = 0; i < sel.rangeCount; ++i) {
|
|
|
3119 |
range = api.createRange(doc);
|
|
|
3120 |
range.selectNode(controlRange.item(i));
|
|
|
3121 |
sel._ranges.push(range);
|
|
|
3122 |
}
|
|
|
3123 |
sel.isCollapsed = sel.rangeCount == 1 && sel._ranges[0].collapsed;
|
|
|
3124 |
updateAnchorAndFocusFromRange(sel, sel._ranges[sel.rangeCount - 1], false);
|
|
|
3125 |
updateType(sel);
|
|
|
3126 |
}
|
|
|
3127 |
}
|
|
|
3128 |
}
|
|
|
3129 |
|
|
|
3130 |
function addRangeToControlSelection(sel, range) {
|
|
|
3131 |
var controlRange = sel.docSelection.createRange();
|
|
|
3132 |
var rangeElement = getSingleElementFromRange(range);
|
|
|
3133 |
|
|
|
3134 |
// Create a new ControlRange containing all the elements in the selected ControlRange plus the element
|
|
|
3135 |
// contained by the supplied range
|
|
|
3136 |
var doc = getDocument(controlRange.item(0));
|
|
|
3137 |
var newControlRange = getBody(doc).createControlRange();
|
|
|
3138 |
for (var i = 0, len = controlRange.length; i < len; ++i) {
|
|
|
3139 |
newControlRange.add(controlRange.item(i));
|
|
|
3140 |
}
|
|
|
3141 |
try {
|
|
|
3142 |
newControlRange.add(rangeElement);
|
|
|
3143 |
} catch (ex) {
|
|
|
3144 |
throw module.createError("addRange(): Element within the specified Range could not be added to control selection (does it have layout?)");
|
|
|
3145 |
}
|
|
|
3146 |
newControlRange.select();
|
|
|
3147 |
|
|
|
3148 |
// Update the wrapped selection based on what's now in the native selection
|
|
|
3149 |
updateControlSelection(sel);
|
|
|
3150 |
}
|
|
|
3151 |
|
|
|
3152 |
var getSelectionRangeAt;
|
|
|
3153 |
|
|
|
3154 |
if (isHostMethod(testSelection, "getRangeAt")) {
|
|
|
3155 |
// try/catch is present because getRangeAt() must have thrown an error in some browser and some situation.
|
|
|
3156 |
// Unfortunately, I didn't write a comment about the specifics and am now scared to take it out. Let that be a
|
|
|
3157 |
// lesson to us all, especially me.
|
|
|
3158 |
getSelectionRangeAt = function(sel, index) {
|
|
|
3159 |
try {
|
|
|
3160 |
return sel.getRangeAt(index);
|
|
|
3161 |
} catch (ex) {
|
|
|
3162 |
return null;
|
|
|
3163 |
}
|
|
|
3164 |
};
|
|
|
3165 |
} else if (selectionHasAnchorAndFocus) {
|
|
|
3166 |
getSelectionRangeAt = function(sel) {
|
|
|
3167 |
var doc = getDocument(sel.anchorNode);
|
|
|
3168 |
var range = api.createRange(doc);
|
|
|
3169 |
range.setStartAndEnd(sel.anchorNode, sel.anchorOffset, sel.focusNode, sel.focusOffset);
|
|
|
3170 |
|
|
|
3171 |
// Handle the case when the selection was selected backwards (from the end to the start in the
|
|
|
3172 |
// document)
|
|
|
3173 |
if (range.collapsed !== this.isCollapsed) {
|
|
|
3174 |
range.setStartAndEnd(sel.focusNode, sel.focusOffset, sel.anchorNode, sel.anchorOffset);
|
|
|
3175 |
}
|
|
|
3176 |
|
|
|
3177 |
return range;
|
|
|
3178 |
};
|
|
|
3179 |
}
|
|
|
3180 |
|
|
|
3181 |
function WrappedSelection(selection, docSelection, win) {
|
|
|
3182 |
this.nativeSelection = selection;
|
|
|
3183 |
this.docSelection = docSelection;
|
|
|
3184 |
this._ranges = [];
|
|
|
3185 |
this.win = win;
|
|
|
3186 |
this.refresh();
|
|
|
3187 |
}
|
|
|
3188 |
|
|
|
3189 |
WrappedSelection.prototype = api.selectionPrototype;
|
|
|
3190 |
|
|
|
3191 |
function deleteProperties(sel) {
|
|
|
3192 |
sel.win = sel.anchorNode = sel.focusNode = sel._ranges = null;
|
|
|
3193 |
sel.rangeCount = sel.anchorOffset = sel.focusOffset = 0;
|
|
|
3194 |
sel.detached = true;
|
|
|
3195 |
updateType(sel);
|
|
|
3196 |
}
|
|
|
3197 |
|
|
|
3198 |
var cachedRangySelections = [];
|
|
|
3199 |
|
|
|
3200 |
function actOnCachedSelection(win, action) {
|
|
|
3201 |
var i = cachedRangySelections.length, cached, sel;
|
|
|
3202 |
while (i--) {
|
|
|
3203 |
cached = cachedRangySelections[i];
|
|
|
3204 |
sel = cached.selection;
|
|
|
3205 |
if (action == "deleteAll") {
|
|
|
3206 |
deleteProperties(sel);
|
|
|
3207 |
} else if (cached.win == win) {
|
|
|
3208 |
if (action == "delete") {
|
|
|
3209 |
cachedRangySelections.splice(i, 1);
|
|
|
3210 |
return true;
|
|
|
3211 |
} else {
|
|
|
3212 |
return sel;
|
|
|
3213 |
}
|
|
|
3214 |
}
|
|
|
3215 |
}
|
|
|
3216 |
if (action == "deleteAll") {
|
|
|
3217 |
cachedRangySelections.length = 0;
|
|
|
3218 |
}
|
|
|
3219 |
return null;
|
|
|
3220 |
}
|
|
|
3221 |
|
|
|
3222 |
var getSelection = function(win) {
|
|
|
3223 |
// Check if the parameter is a Rangy Selection object
|
|
|
3224 |
if (win && win instanceof WrappedSelection) {
|
|
|
3225 |
win.refresh();
|
|
|
3226 |
return win;
|
|
|
3227 |
}
|
|
|
3228 |
|
|
|
3229 |
win = getWindow(win, "getNativeSelection");
|
|
|
3230 |
|
|
|
3231 |
var sel = actOnCachedSelection(win);
|
|
|
3232 |
var nativeSel = getNativeSelection(win), docSel = implementsDocSelection ? getDocSelection(win) : null;
|
|
|
3233 |
if (sel) {
|
|
|
3234 |
sel.nativeSelection = nativeSel;
|
|
|
3235 |
sel.docSelection = docSel;
|
|
|
3236 |
sel.refresh();
|
|
|
3237 |
} else {
|
|
|
3238 |
sel = new WrappedSelection(nativeSel, docSel, win);
|
|
|
3239 |
cachedRangySelections.push( { win: win, selection: sel } );
|
|
|
3240 |
}
|
|
|
3241 |
return sel;
|
|
|
3242 |
};
|
|
|
3243 |
|
|
|
3244 |
api.getSelection = getSelection;
|
|
|
3245 |
|
|
|
3246 |
util.createAliasForDeprecatedMethod(api, "getIframeSelection", "getSelection");
|
|
|
3247 |
|
|
|
3248 |
var selProto = WrappedSelection.prototype;
|
|
|
3249 |
|
|
|
3250 |
function createControlSelection(sel, ranges) {
|
|
|
3251 |
// Ensure that the selection becomes of type "Control"
|
|
|
3252 |
var doc = getDocument(ranges[0].startContainer);
|
|
|
3253 |
var controlRange = getBody(doc).createControlRange();
|
|
|
3254 |
for (var i = 0, el, len = ranges.length; i < len; ++i) {
|
|
|
3255 |
el = getSingleElementFromRange(ranges[i]);
|
|
|
3256 |
try {
|
|
|
3257 |
controlRange.add(el);
|
|
|
3258 |
} catch (ex) {
|
|
|
3259 |
throw module.createError("setRanges(): Element within one of the specified Ranges could not be added to control selection (does it have layout?)");
|
|
|
3260 |
}
|
|
|
3261 |
}
|
|
|
3262 |
controlRange.select();
|
|
|
3263 |
|
|
|
3264 |
// Update the wrapped selection based on what's now in the native selection
|
|
|
3265 |
updateControlSelection(sel);
|
|
|
3266 |
}
|
|
|
3267 |
|
|
|
3268 |
// Selecting a range
|
|
|
3269 |
if (!useDocumentSelection && selectionHasAnchorAndFocus && util.areHostMethods(testSelection, ["removeAllRanges", "addRange"])) {
|
|
|
3270 |
selProto.removeAllRanges = function() {
|
|
|
3271 |
this.nativeSelection.removeAllRanges();
|
|
|
3272 |
updateEmptySelection(this);
|
|
|
3273 |
};
|
|
|
3274 |
|
|
|
3275 |
var addRangeBackward = function(sel, range) {
|
|
|
3276 |
addRangeBackwardToNative(sel.nativeSelection, range);
|
|
|
3277 |
sel.refresh();
|
|
|
3278 |
};
|
|
|
3279 |
|
|
|
3280 |
if (selectionHasRangeCount) {
|
|
|
3281 |
selProto.addRange = function(range, direction) {
|
|
|
3282 |
if (implementsControlRange && implementsDocSelection && this.docSelection.type == CONTROL) {
|
|
|
3283 |
addRangeToControlSelection(this, range);
|
|
|
3284 |
} else {
|
|
|
3285 |
if (isDirectionBackward(direction) && selectionHasExtend) {
|
|
|
3286 |
addRangeBackward(this, range);
|
|
|
3287 |
} else {
|
|
|
3288 |
var previousRangeCount;
|
|
|
3289 |
if (selectionSupportsMultipleRanges) {
|
|
|
3290 |
previousRangeCount = this.rangeCount;
|
|
|
3291 |
} else {
|
|
|
3292 |
this.removeAllRanges();
|
|
|
3293 |
previousRangeCount = 0;
|
|
|
3294 |
}
|
|
|
3295 |
// Clone the native range so that changing the selected range does not affect the selection.
|
|
|
3296 |
// This is contrary to the spec but is the only way to achieve consistency between browsers. See
|
|
|
3297 |
// issue 80.
|
|
|
3298 |
var clonedNativeRange = getNativeRange(range).cloneRange();
|
|
|
3299 |
try {
|
|
|
3300 |
this.nativeSelection.addRange(clonedNativeRange);
|
|
|
3301 |
} catch (ex) {
|
|
|
3302 |
}
|
|
|
3303 |
|
|
|
3304 |
// Check whether adding the range was successful
|
|
|
3305 |
this.rangeCount = this.nativeSelection.rangeCount;
|
|
|
3306 |
|
|
|
3307 |
if (this.rangeCount == previousRangeCount + 1) {
|
|
|
3308 |
// The range was added successfully
|
|
|
3309 |
|
|
|
3310 |
// Check whether the range that we added to the selection is reflected in the last range extracted from
|
|
|
3311 |
// the selection
|
|
|
3312 |
if (api.config.checkSelectionRanges) {
|
|
|
3313 |
var nativeRange = getSelectionRangeAt(this.nativeSelection, this.rangeCount - 1);
|
|
|
3314 |
if (nativeRange && !rangesEqual(nativeRange, range)) {
|
|
|
3315 |
// Happens in WebKit with, for example, a selection placed at the start of a text node
|
|
|
3316 |
range = new WrappedRange(nativeRange);
|
|
|
3317 |
}
|
|
|
3318 |
}
|
|
|
3319 |
this._ranges[this.rangeCount - 1] = range;
|
|
|
3320 |
updateAnchorAndFocusFromRange(this, range, selectionIsBackward(this.nativeSelection));
|
|
|
3321 |
this.isCollapsed = selectionIsCollapsed(this);
|
|
|
3322 |
updateType(this);
|
|
|
3323 |
} else {
|
|
|
3324 |
// The range was not added successfully. The simplest thing is to refresh
|
|
|
3325 |
this.refresh();
|
|
|
3326 |
}
|
|
|
3327 |
}
|
|
|
3328 |
}
|
|
|
3329 |
};
|
|
|
3330 |
} else {
|
|
|
3331 |
selProto.addRange = function(range, direction) {
|
|
|
3332 |
if (isDirectionBackward(direction) && selectionHasExtend) {
|
|
|
3333 |
addRangeBackward(this, range);
|
|
|
3334 |
} else {
|
|
|
3335 |
this.nativeSelection.addRange(getNativeRange(range));
|
|
|
3336 |
this.refresh();
|
|
|
3337 |
}
|
|
|
3338 |
};
|
|
|
3339 |
}
|
|
|
3340 |
|
|
|
3341 |
selProto.setRanges = function(ranges) {
|
|
|
3342 |
if (implementsControlRange && implementsDocSelection && ranges.length > 1) {
|
|
|
3343 |
createControlSelection(this, ranges);
|
|
|
3344 |
} else {
|
|
|
3345 |
this.removeAllRanges();
|
|
|
3346 |
for (var i = 0, len = ranges.length; i < len; ++i) {
|
|
|
3347 |
this.addRange(ranges[i]);
|
|
|
3348 |
}
|
|
|
3349 |
}
|
|
|
3350 |
};
|
|
|
3351 |
} else if (isHostMethod(testSelection, "empty") && isHostMethod(testRange, "select") &&
|
|
|
3352 |
implementsControlRange && useDocumentSelection) {
|
|
|
3353 |
|
|
|
3354 |
selProto.removeAllRanges = function() {
|
|
|
3355 |
// Added try/catch as fix for issue #21
|
|
|
3356 |
try {
|
|
|
3357 |
this.docSelection.empty();
|
|
|
3358 |
|
|
|
3359 |
// Check for empty() not working (issue #24)
|
|
|
3360 |
if (this.docSelection.type != "None") {
|
|
|
3361 |
// Work around failure to empty a control selection by instead selecting a TextRange and then
|
|
|
3362 |
// calling empty()
|
|
|
3363 |
var doc;
|
|
|
3364 |
if (this.anchorNode) {
|
|
|
3365 |
doc = getDocument(this.anchorNode);
|
|
|
3366 |
} else if (this.docSelection.type == CONTROL) {
|
|
|
3367 |
var controlRange = this.docSelection.createRange();
|
|
|
3368 |
if (controlRange.length) {
|
|
|
3369 |
doc = getDocument( controlRange.item(0) );
|
|
|
3370 |
}
|
|
|
3371 |
}
|
|
|
3372 |
if (doc) {
|
|
|
3373 |
var textRange = getBody(doc).createTextRange();
|
|
|
3374 |
textRange.select();
|
|
|
3375 |
this.docSelection.empty();
|
|
|
3376 |
}
|
|
|
3377 |
}
|
|
|
3378 |
} catch(ex) {}
|
|
|
3379 |
updateEmptySelection(this);
|
|
|
3380 |
};
|
|
|
3381 |
|
|
|
3382 |
selProto.addRange = function(range) {
|
|
|
3383 |
if (this.docSelection.type == CONTROL) {
|
|
|
3384 |
addRangeToControlSelection(this, range);
|
|
|
3385 |
} else {
|
|
|
3386 |
api.WrappedTextRange.rangeToTextRange(range).select();
|
|
|
3387 |
this._ranges[0] = range;
|
|
|
3388 |
this.rangeCount = 1;
|
|
|
3389 |
this.isCollapsed = this._ranges[0].collapsed;
|
|
|
3390 |
updateAnchorAndFocusFromRange(this, range, false);
|
|
|
3391 |
updateType(this);
|
|
|
3392 |
}
|
|
|
3393 |
};
|
|
|
3394 |
|
|
|
3395 |
selProto.setRanges = function(ranges) {
|
|
|
3396 |
this.removeAllRanges();
|
|
|
3397 |
var rangeCount = ranges.length;
|
|
|
3398 |
if (rangeCount > 1) {
|
|
|
3399 |
createControlSelection(this, ranges);
|
|
|
3400 |
} else if (rangeCount) {
|
|
|
3401 |
this.addRange(ranges[0]);
|
|
|
3402 |
}
|
|
|
3403 |
};
|
|
|
3404 |
} else {
|
|
|
3405 |
module.fail("No means of selecting a Range or TextRange was found");
|
|
|
3406 |
return false;
|
|
|
3407 |
}
|
|
|
3408 |
|
|
|
3409 |
selProto.getRangeAt = function(index) {
|
|
|
3410 |
if (index < 0 || index >= this.rangeCount) {
|
|
|
3411 |
throw new DOMException("INDEX_SIZE_ERR");
|
|
|
3412 |
} else {
|
|
|
3413 |
// Clone the range to preserve selection-range independence. See issue 80.
|
|
|
3414 |
return this._ranges[index].cloneRange();
|
|
|
3415 |
}
|
|
|
3416 |
};
|
|
|
3417 |
|
|
|
3418 |
var refreshSelection;
|
|
|
3419 |
|
|
|
3420 |
if (useDocumentSelection) {
|
|
|
3421 |
refreshSelection = function(sel) {
|
|
|
3422 |
var range;
|
|
|
3423 |
if (api.isSelectionValid(sel.win)) {
|
|
|
3424 |
range = sel.docSelection.createRange();
|
|
|
3425 |
} else {
|
|
|
3426 |
range = getBody(sel.win.document).createTextRange();
|
|
|
3427 |
range.collapse(true);
|
|
|
3428 |
}
|
|
|
3429 |
|
|
|
3430 |
if (sel.docSelection.type == CONTROL) {
|
|
|
3431 |
updateControlSelection(sel);
|
|
|
3432 |
} else if (isTextRange(range)) {
|
|
|
3433 |
updateFromTextRange(sel, range);
|
|
|
3434 |
} else {
|
|
|
3435 |
updateEmptySelection(sel);
|
|
|
3436 |
}
|
|
|
3437 |
};
|
|
|
3438 |
} else if (isHostMethod(testSelection, "getRangeAt") && typeof testSelection.rangeCount == NUMBER) {
|
|
|
3439 |
refreshSelection = function(sel) {
|
|
|
3440 |
if (implementsControlRange && implementsDocSelection && sel.docSelection.type == CONTROL) {
|
|
|
3441 |
updateControlSelection(sel);
|
|
|
3442 |
} else {
|
|
|
3443 |
sel._ranges.length = sel.rangeCount = sel.nativeSelection.rangeCount;
|
|
|
3444 |
if (sel.rangeCount) {
|
|
|
3445 |
for (var i = 0, len = sel.rangeCount; i < len; ++i) {
|
|
|
3446 |
sel._ranges[i] = new api.WrappedRange(sel.nativeSelection.getRangeAt(i));
|
|
|
3447 |
}
|
|
|
3448 |
updateAnchorAndFocusFromRange(sel, sel._ranges[sel.rangeCount - 1], selectionIsBackward(sel.nativeSelection));
|
|
|
3449 |
sel.isCollapsed = selectionIsCollapsed(sel);
|
|
|
3450 |
updateType(sel);
|
|
|
3451 |
} else {
|
|
|
3452 |
updateEmptySelection(sel);
|
|
|
3453 |
}
|
|
|
3454 |
}
|
|
|
3455 |
};
|
|
|
3456 |
} else if (selectionHasAnchorAndFocus && typeof testSelection.isCollapsed == BOOLEAN && typeof testRange.collapsed == BOOLEAN && features.implementsDomRange) {
|
|
|
3457 |
refreshSelection = function(sel) {
|
|
|
3458 |
var range, nativeSel = sel.nativeSelection;
|
|
|
3459 |
if (nativeSel.anchorNode) {
|
|
|
3460 |
range = getSelectionRangeAt(nativeSel, 0);
|
|
|
3461 |
sel._ranges = [range];
|
|
|
3462 |
sel.rangeCount = 1;
|
|
|
3463 |
updateAnchorAndFocusFromNativeSelection(sel);
|
|
|
3464 |
sel.isCollapsed = selectionIsCollapsed(sel);
|
|
|
3465 |
updateType(sel);
|
|
|
3466 |
} else {
|
|
|
3467 |
updateEmptySelection(sel);
|
|
|
3468 |
}
|
|
|
3469 |
};
|
|
|
3470 |
} else {
|
|
|
3471 |
module.fail("No means of obtaining a Range or TextRange from the user's selection was found");
|
|
|
3472 |
return false;
|
|
|
3473 |
}
|
|
|
3474 |
|
|
|
3475 |
selProto.refresh = function(checkForChanges) {
|
|
|
3476 |
var oldRanges = checkForChanges ? this._ranges.slice(0) : null;
|
|
|
3477 |
var oldAnchorNode = this.anchorNode, oldAnchorOffset = this.anchorOffset;
|
|
|
3478 |
|
|
|
3479 |
refreshSelection(this);
|
|
|
3480 |
if (checkForChanges) {
|
|
|
3481 |
// Check the range count first
|
|
|
3482 |
var i = oldRanges.length;
|
|
|
3483 |
if (i != this._ranges.length) {
|
|
|
3484 |
return true;
|
|
|
3485 |
}
|
|
|
3486 |
|
|
|
3487 |
// Now check the direction. Checking the anchor position is the same is enough since we're checking all the
|
|
|
3488 |
// ranges after this
|
|
|
3489 |
if (this.anchorNode != oldAnchorNode || this.anchorOffset != oldAnchorOffset) {
|
|
|
3490 |
return true;
|
|
|
3491 |
}
|
|
|
3492 |
|
|
|
3493 |
// Finally, compare each range in turn
|
|
|
3494 |
while (i--) {
|
|
|
3495 |
if (!rangesEqual(oldRanges[i], this._ranges[i])) {
|
|
|
3496 |
return true;
|
|
|
3497 |
}
|
|
|
3498 |
}
|
|
|
3499 |
return false;
|
|
|
3500 |
}
|
|
|
3501 |
};
|
|
|
3502 |
|
|
|
3503 |
// Removal of a single range
|
|
|
3504 |
var removeRangeManually = function(sel, range) {
|
|
|
3505 |
var ranges = sel.getAllRanges();
|
|
|
3506 |
sel.removeAllRanges();
|
|
|
3507 |
for (var i = 0, len = ranges.length; i < len; ++i) {
|
|
|
3508 |
if (!rangesEqual(range, ranges[i])) {
|
|
|
3509 |
sel.addRange(ranges[i]);
|
|
|
3510 |
}
|
|
|
3511 |
}
|
|
|
3512 |
if (!sel.rangeCount) {
|
|
|
3513 |
updateEmptySelection(sel);
|
|
|
3514 |
}
|
|
|
3515 |
};
|
|
|
3516 |
|
|
|
3517 |
if (implementsControlRange && implementsDocSelection) {
|
|
|
3518 |
selProto.removeRange = function(range) {
|
|
|
3519 |
if (this.docSelection.type == CONTROL) {
|
|
|
3520 |
var controlRange = this.docSelection.createRange();
|
|
|
3521 |
var rangeElement = getSingleElementFromRange(range);
|
|
|
3522 |
|
|
|
3523 |
// Create a new ControlRange containing all the elements in the selected ControlRange minus the
|
|
|
3524 |
// element contained by the supplied range
|
|
|
3525 |
var doc = getDocument(controlRange.item(0));
|
|
|
3526 |
var newControlRange = getBody(doc).createControlRange();
|
|
|
3527 |
var el, removed = false;
|
|
|
3528 |
for (var i = 0, len = controlRange.length; i < len; ++i) {
|
|
|
3529 |
el = controlRange.item(i);
|
|
|
3530 |
if (el !== rangeElement || removed) {
|
|
|
3531 |
newControlRange.add(controlRange.item(i));
|
|
|
3532 |
} else {
|
|
|
3533 |
removed = true;
|
|
|
3534 |
}
|
|
|
3535 |
}
|
|
|
3536 |
newControlRange.select();
|
|
|
3537 |
|
|
|
3538 |
// Update the wrapped selection based on what's now in the native selection
|
|
|
3539 |
updateControlSelection(this);
|
|
|
3540 |
} else {
|
|
|
3541 |
removeRangeManually(this, range);
|
|
|
3542 |
}
|
|
|
3543 |
};
|
|
|
3544 |
} else {
|
|
|
3545 |
selProto.removeRange = function(range) {
|
|
|
3546 |
removeRangeManually(this, range);
|
|
|
3547 |
};
|
|
|
3548 |
}
|
|
|
3549 |
|
|
|
3550 |
// Detecting if a selection is backward
|
|
|
3551 |
var selectionIsBackward;
|
|
|
3552 |
if (!useDocumentSelection && selectionHasAnchorAndFocus && features.implementsDomRange) {
|
|
|
3553 |
selectionIsBackward = winSelectionIsBackward;
|
|
|
3554 |
|
|
|
3555 |
selProto.isBackward = function() {
|
|
|
3556 |
return selectionIsBackward(this);
|
|
|
3557 |
};
|
|
|
3558 |
} else {
|
|
|
3559 |
selectionIsBackward = selProto.isBackward = function() {
|
|
|
3560 |
return false;
|
|
|
3561 |
};
|
|
|
3562 |
}
|
|
|
3563 |
|
|
|
3564 |
// Create an alias for backwards compatibility. From 1.3, everything is "backward" rather than "backwards"
|
|
|
3565 |
selProto.isBackwards = selProto.isBackward;
|
|
|
3566 |
|
|
|
3567 |
// Selection stringifier
|
|
|
3568 |
// This is conformant to the old HTML5 selections draft spec but differs from WebKit and Mozilla's implementation.
|
|
|
3569 |
// The current spec does not yet define this method.
|
|
|
3570 |
selProto.toString = function() {
|
|
|
3571 |
var rangeTexts = [];
|
|
|
3572 |
for (var i = 0, len = this.rangeCount; i < len; ++i) {
|
|
|
3573 |
rangeTexts[i] = "" + this._ranges[i];
|
|
|
3574 |
}
|
|
|
3575 |
return rangeTexts.join("");
|
|
|
3576 |
};
|
|
|
3577 |
|
|
|
3578 |
function assertNodeInSameDocument(sel, node) {
|
|
|
3579 |
if (sel.win.document != getDocument(node)) {
|
|
|
3580 |
throw new DOMException("WRONG_DOCUMENT_ERR");
|
|
|
3581 |
}
|
|
|
3582 |
}
|
|
|
3583 |
|
|
|
3584 |
function assertValidOffset(node, offset) {
|
|
|
3585 |
if (offset < 0 || offset > (dom.isCharacterDataNode(node) ? node.length : node.childNodes.length)) {
|
|
|
3586 |
throw new DOMException("INDEX_SIZE_ERR");
|
|
|
3587 |
}
|
|
|
3588 |
}
|
|
|
3589 |
|
|
|
3590 |
// No current browser conforms fully to the spec for this method, so Rangy's own method is always used
|
|
|
3591 |
selProto.collapse = function(node, offset) {
|
|
|
3592 |
assertNodeInSameDocument(this, node);
|
|
|
3593 |
var range = api.createRange(node);
|
|
|
3594 |
range.collapseToPoint(node, offset);
|
|
|
3595 |
this.setSingleRange(range);
|
|
|
3596 |
this.isCollapsed = true;
|
|
|
3597 |
};
|
|
|
3598 |
|
|
|
3599 |
selProto.collapseToStart = function() {
|
|
|
3600 |
if (this.rangeCount) {
|
|
|
3601 |
var range = this._ranges[0];
|
|
|
3602 |
this.collapse(range.startContainer, range.startOffset);
|
|
|
3603 |
} else {
|
|
|
3604 |
throw new DOMException("INVALID_STATE_ERR");
|
|
|
3605 |
}
|
|
|
3606 |
};
|
|
|
3607 |
|
|
|
3608 |
selProto.collapseToEnd = function() {
|
|
|
3609 |
if (this.rangeCount) {
|
|
|
3610 |
var range = this._ranges[this.rangeCount - 1];
|
|
|
3611 |
this.collapse(range.endContainer, range.endOffset);
|
|
|
3612 |
} else {
|
|
|
3613 |
throw new DOMException("INVALID_STATE_ERR");
|
|
|
3614 |
}
|
|
|
3615 |
};
|
|
|
3616 |
|
|
|
3617 |
// The spec is very specific on how selectAllChildren should be implemented and not all browsers implement it as
|
|
|
3618 |
// specified so the native implementation is never used by Rangy.
|
|
|
3619 |
selProto.selectAllChildren = function(node) {
|
|
|
3620 |
assertNodeInSameDocument(this, node);
|
|
|
3621 |
var range = api.createRange(node);
|
|
|
3622 |
range.selectNodeContents(node);
|
|
|
3623 |
this.setSingleRange(range);
|
|
|
3624 |
};
|
|
|
3625 |
|
|
|
3626 |
if (selectionHasSetBaseAndExtent) {
|
|
|
3627 |
selProto.setBaseAndExtent = function(anchorNode, anchorOffset, focusNode, focusOffset) {
|
|
|
3628 |
this.nativeSelection.setBaseAndExtent(anchorNode, anchorOffset, focusNode, focusOffset);
|
|
|
3629 |
this.refresh();
|
|
|
3630 |
};
|
|
|
3631 |
} else if (selectionHasExtend) {
|
|
|
3632 |
selProto.setBaseAndExtent = function(anchorNode, anchorOffset, focusNode, focusOffset) {
|
|
|
3633 |
assertValidOffset(anchorNode, anchorOffset);
|
|
|
3634 |
assertValidOffset(focusNode, focusOffset);
|
|
|
3635 |
assertNodeInSameDocument(this, anchorNode);
|
|
|
3636 |
assertNodeInSameDocument(this, focusNode);
|
|
|
3637 |
var range = api.createRange(node);
|
|
|
3638 |
var isBackwards = (dom.comparePoints(anchorNode, anchorOffset, focusNode, focusOffset) == -1);
|
|
|
3639 |
if (isBackwards) {
|
|
|
3640 |
range.setStartAndEnd(focusNode, focusOffset, anchorNode, anchorOffset);
|
|
|
3641 |
} else {
|
|
|
3642 |
range.setStartAndEnd(anchorNode, anchorOffset, focusNode, focusOffset);
|
|
|
3643 |
}
|
|
|
3644 |
this.setSingleRange(range, isBackwards);
|
|
|
3645 |
};
|
|
|
3646 |
}
|
|
|
3647 |
|
|
|
3648 |
selProto.deleteFromDocument = function() {
|
|
|
3649 |
// Sepcial behaviour required for IE's control selections
|
|
|
3650 |
if (implementsControlRange && implementsDocSelection && this.docSelection.type == CONTROL) {
|
|
|
3651 |
var controlRange = this.docSelection.createRange();
|
|
|
3652 |
var element;
|
|
|
3653 |
while (controlRange.length) {
|
|
|
3654 |
element = controlRange.item(0);
|
|
|
3655 |
controlRange.remove(element);
|
|
|
3656 |
dom.removeNode(element);
|
|
|
3657 |
}
|
|
|
3658 |
this.refresh();
|
|
|
3659 |
} else if (this.rangeCount) {
|
|
|
3660 |
var ranges = this.getAllRanges();
|
|
|
3661 |
if (ranges.length) {
|
|
|
3662 |
this.removeAllRanges();
|
|
|
3663 |
for (var i = 0, len = ranges.length; i < len; ++i) {
|
|
|
3664 |
ranges[i].deleteContents();
|
|
|
3665 |
}
|
|
|
3666 |
// The spec says nothing about what the selection should contain after calling deleteContents on each
|
|
|
3667 |
// range. Firefox moves the selection to where the final selected range was, so we emulate that
|
|
|
3668 |
this.addRange(ranges[len - 1]);
|
|
|
3669 |
}
|
|
|
3670 |
}
|
|
|
3671 |
};
|
|
|
3672 |
|
|
|
3673 |
// The following are non-standard extensions
|
|
|
3674 |
selProto.eachRange = function(func, returnValue) {
|
|
|
3675 |
for (var i = 0, len = this._ranges.length; i < len; ++i) {
|
|
|
3676 |
if ( func( this.getRangeAt(i) ) ) {
|
|
|
3677 |
return returnValue;
|
|
|
3678 |
}
|
|
|
3679 |
}
|
|
|
3680 |
};
|
|
|
3681 |
|
|
|
3682 |
selProto.getAllRanges = function() {
|
|
|
3683 |
var ranges = [];
|
|
|
3684 |
this.eachRange(function(range) {
|
|
|
3685 |
ranges.push(range);
|
|
|
3686 |
});
|
|
|
3687 |
return ranges;
|
|
|
3688 |
};
|
|
|
3689 |
|
|
|
3690 |
selProto.setSingleRange = function(range, direction) {
|
|
|
3691 |
this.removeAllRanges();
|
|
|
3692 |
this.addRange(range, direction);
|
|
|
3693 |
};
|
|
|
3694 |
|
|
|
3695 |
selProto.callMethodOnEachRange = function(methodName, params) {
|
|
|
3696 |
var results = [];
|
|
|
3697 |
this.eachRange( function(range) {
|
|
|
3698 |
results.push( range[methodName].apply(range, params || []) );
|
|
|
3699 |
} );
|
|
|
3700 |
return results;
|
|
|
3701 |
};
|
|
|
3702 |
|
|
|
3703 |
function createStartOrEndSetter(isStart) {
|
|
|
3704 |
return function(node, offset) {
|
|
|
3705 |
var range;
|
|
|
3706 |
if (this.rangeCount) {
|
|
|
3707 |
range = this.getRangeAt(0);
|
|
|
3708 |
range["set" + (isStart ? "Start" : "End")](node, offset);
|
|
|
3709 |
} else {
|
|
|
3710 |
range = api.createRange(this.win.document);
|
|
|
3711 |
range.setStartAndEnd(node, offset);
|
|
|
3712 |
}
|
|
|
3713 |
this.setSingleRange(range, this.isBackward());
|
|
|
3714 |
};
|
|
|
3715 |
}
|
|
|
3716 |
|
|
|
3717 |
selProto.setStart = createStartOrEndSetter(true);
|
|
|
3718 |
selProto.setEnd = createStartOrEndSetter(false);
|
|
|
3719 |
|
|
|
3720 |
// Add select() method to Range prototype. Any existing selection will be removed.
|
|
|
3721 |
api.rangePrototype.select = function(direction) {
|
|
|
3722 |
getSelection( this.getDocument() ).setSingleRange(this, direction);
|
|
|
3723 |
};
|
|
|
3724 |
|
|
|
3725 |
selProto.changeEachRange = function(func) {
|
|
|
3726 |
var ranges = [];
|
|
|
3727 |
var backward = this.isBackward();
|
|
|
3728 |
|
|
|
3729 |
this.eachRange(function(range) {
|
|
|
3730 |
func(range);
|
|
|
3731 |
ranges.push(range);
|
|
|
3732 |
});
|
|
|
3733 |
|
|
|
3734 |
this.removeAllRanges();
|
|
|
3735 |
if (backward && ranges.length == 1) {
|
|
|
3736 |
this.addRange(ranges[0], "backward");
|
|
|
3737 |
} else {
|
|
|
3738 |
this.setRanges(ranges);
|
|
|
3739 |
}
|
|
|
3740 |
};
|
|
|
3741 |
|
|
|
3742 |
selProto.containsNode = function(node, allowPartial) {
|
|
|
3743 |
return this.eachRange( function(range) {
|
|
|
3744 |
return range.containsNode(node, allowPartial);
|
|
|
3745 |
}, true ) || false;
|
|
|
3746 |
};
|
|
|
3747 |
|
|
|
3748 |
selProto.getBookmark = function(containerNode) {
|
|
|
3749 |
return {
|
|
|
3750 |
backward: this.isBackward(),
|
|
|
3751 |
rangeBookmarks: this.callMethodOnEachRange("getBookmark", [containerNode])
|
|
|
3752 |
};
|
|
|
3753 |
};
|
|
|
3754 |
|
|
|
3755 |
selProto.moveToBookmark = function(bookmark) {
|
|
|
3756 |
var selRanges = [];
|
|
|
3757 |
for (var i = 0, rangeBookmark, range; rangeBookmark = bookmark.rangeBookmarks[i++]; ) {
|
|
|
3758 |
range = api.createRange(this.win);
|
|
|
3759 |
range.moveToBookmark(rangeBookmark);
|
|
|
3760 |
selRanges.push(range);
|
|
|
3761 |
}
|
|
|
3762 |
if (bookmark.backward) {
|
|
|
3763 |
this.setSingleRange(selRanges[0], "backward");
|
|
|
3764 |
} else {
|
|
|
3765 |
this.setRanges(selRanges);
|
|
|
3766 |
}
|
|
|
3767 |
};
|
|
|
3768 |
|
|
|
3769 |
selProto.saveRanges = function() {
|
|
|
3770 |
return {
|
|
|
3771 |
backward: this.isBackward(),
|
|
|
3772 |
ranges: this.callMethodOnEachRange("cloneRange")
|
|
|
3773 |
};
|
|
|
3774 |
};
|
|
|
3775 |
|
|
|
3776 |
selProto.restoreRanges = function(selRanges) {
|
|
|
3777 |
this.removeAllRanges();
|
|
|
3778 |
for (var i = 0, range; range = selRanges.ranges[i]; ++i) {
|
|
|
3779 |
this.addRange(range, (selRanges.backward && i == 0));
|
|
|
3780 |
}
|
|
|
3781 |
};
|
|
|
3782 |
|
|
|
3783 |
selProto.toHtml = function() {
|
|
|
3784 |
var rangeHtmls = [];
|
|
|
3785 |
this.eachRange(function(range) {
|
|
|
3786 |
rangeHtmls.push( DomRange.toHtml(range) );
|
|
|
3787 |
});
|
|
|
3788 |
return rangeHtmls.join("");
|
|
|
3789 |
};
|
|
|
3790 |
|
|
|
3791 |
if (features.implementsTextRange) {
|
|
|
3792 |
selProto.getNativeTextRange = function() {
|
|
|
3793 |
var sel, textRange;
|
|
|
3794 |
if ( (sel = this.docSelection) ) {
|
|
|
3795 |
var range = sel.createRange();
|
|
|
3796 |
if (isTextRange(range)) {
|
|
|
3797 |
return range;
|
|
|
3798 |
} else {
|
|
|
3799 |
throw module.createError("getNativeTextRange: selection is a control selection");
|
|
|
3800 |
}
|
|
|
3801 |
} else if (this.rangeCount > 0) {
|
|
|
3802 |
return api.WrappedTextRange.rangeToTextRange( this.getRangeAt(0) );
|
|
|
3803 |
} else {
|
|
|
3804 |
throw module.createError("getNativeTextRange: selection contains no range");
|
|
|
3805 |
}
|
|
|
3806 |
};
|
|
|
3807 |
}
|
|
|
3808 |
|
|
|
3809 |
function inspect(sel) {
|
|
|
3810 |
var rangeInspects = [];
|
|
|
3811 |
var anchor = new DomPosition(sel.anchorNode, sel.anchorOffset);
|
|
|
3812 |
var focus = new DomPosition(sel.focusNode, sel.focusOffset);
|
|
|
3813 |
var name = (typeof sel.getName == "function") ? sel.getName() : "Selection";
|
|
|
3814 |
|
|
|
3815 |
if (typeof sel.rangeCount != "undefined") {
|
|
|
3816 |
for (var i = 0, len = sel.rangeCount; i < len; ++i) {
|
|
|
3817 |
rangeInspects[i] = DomRange.inspect(sel.getRangeAt(i));
|
|
|
3818 |
}
|
|
|
3819 |
}
|
|
|
3820 |
return "[" + name + "(Ranges: " + rangeInspects.join(", ") +
|
|
|
3821 |
")(anchor: " + anchor.inspect() + ", focus: " + focus.inspect() + "]";
|
|
|
3822 |
}
|
|
|
3823 |
|
|
|
3824 |
selProto.getName = function() {
|
|
|
3825 |
return "WrappedSelection";
|
|
|
3826 |
};
|
|
|
3827 |
|
|
|
3828 |
selProto.inspect = function() {
|
|
|
3829 |
return inspect(this);
|
|
|
3830 |
};
|
|
|
3831 |
|
|
|
3832 |
selProto.detach = function() {
|
|
|
3833 |
actOnCachedSelection(this.win, "delete");
|
|
|
3834 |
deleteProperties(this);
|
|
|
3835 |
};
|
|
|
3836 |
|
|
|
3837 |
WrappedSelection.detachAll = function() {
|
|
|
3838 |
actOnCachedSelection(null, "deleteAll");
|
|
|
3839 |
};
|
|
|
3840 |
|
|
|
3841 |
WrappedSelection.inspect = inspect;
|
|
|
3842 |
WrappedSelection.isDirectionBackward = isDirectionBackward;
|
|
|
3843 |
|
|
|
3844 |
api.Selection = WrappedSelection;
|
|
|
3845 |
|
|
|
3846 |
api.selectionPrototype = selProto;
|
|
|
3847 |
|
|
|
3848 |
api.addShimListener(function(win) {
|
|
|
3849 |
if (typeof win.getSelection == "undefined") {
|
|
|
3850 |
win.getSelection = function() {
|
|
|
3851 |
return getSelection(win);
|
|
|
3852 |
};
|
|
|
3853 |
}
|
|
|
3854 |
win = null;
|
|
|
3855 |
});
|
|
|
3856 |
});
|
|
|
3857 |
|
|
|
3858 |
|
|
|
3859 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
3860 |
|
|
|
3861 |
// Wait for document to load before initializing
|
|
|
3862 |
var docReady = false;
|
|
|
3863 |
|
|
|
3864 |
var loadHandler = function(e) {
|
|
|
3865 |
if (!docReady) {
|
|
|
3866 |
docReady = true;
|
|
|
3867 |
if (!api.initialized && api.config.autoInitialize) {
|
|
|
3868 |
init();
|
|
|
3869 |
}
|
|
|
3870 |
}
|
|
|
3871 |
};
|
|
|
3872 |
|
|
|
3873 |
if (isBrowser) {
|
|
|
3874 |
// Test whether the document has already been loaded and initialize immediately if so
|
|
|
3875 |
if (document.readyState == "complete") {
|
|
|
3876 |
loadHandler();
|
|
|
3877 |
} else {
|
|
|
3878 |
if (isHostMethod(document, "addEventListener")) {
|
|
|
3879 |
document.addEventListener("DOMContentLoaded", loadHandler, false);
|
|
|
3880 |
}
|
|
|
3881 |
|
|
|
3882 |
// Add a fallback in case the DOMContentLoaded event isn't supported
|
|
|
3883 |
addListener(window, "load", loadHandler);
|
|
|
3884 |
}
|
|
|
3885 |
}
|
|
|
3886 |
|
|
|
3887 |
return api;
|
|
|
3888 |
}, this);
|
|
|
3889 |
/**
|
|
|
3890 |
* Selection save and restore module for Rangy.
|
|
|
3891 |
* Saves and restores user selections using marker invisible elements in the DOM.
|
|
|
3892 |
*
|
|
|
3893 |
* Part of Rangy, a cross-browser JavaScript range and selection library
|
|
|
3894 |
* https://github.com/timdown/rangy
|
|
|
3895 |
*
|
|
|
3896 |
* Depends on Rangy core.
|
|
|
3897 |
*
|
|
|
3898 |
* Copyright 2022, Tim Down
|
|
|
3899 |
* Licensed under the MIT license.
|
|
|
3900 |
* Version: 1.3.1
|
|
|
3901 |
* Build date: 17 August 2022
|
|
|
3902 |
*/
|
|
|
3903 |
(function(factory, root) {
|
|
|
3904 |
// No AMD or CommonJS support so we use the rangy property of root (probably the global variable)
|
|
|
3905 |
factory(root.rangy);
|
|
|
3906 |
})(function(rangy) {
|
|
|
3907 |
rangy.createModule("SaveRestore", ["WrappedSelection"], function(api, module) {
|
|
|
3908 |
var dom = api.dom;
|
|
|
3909 |
var removeNode = dom.removeNode;
|
|
|
3910 |
var isDirectionBackward = api.Selection.isDirectionBackward;
|
|
|
3911 |
var markerTextChar = "\ufeff";
|
|
|
3912 |
|
|
|
3913 |
function gEBI(id, doc) {
|
|
|
3914 |
return (doc || document).getElementById(id);
|
|
|
3915 |
}
|
|
|
3916 |
|
|
|
3917 |
function insertRangeBoundaryMarker(range, atStart) {
|
|
|
3918 |
var markerId = "selectionBoundary_" + (+new Date()) + "_" + ("" + Math.random()).slice(2);
|
|
|
3919 |
var markerEl;
|
|
|
3920 |
var doc = dom.getDocument(range.startContainer);
|
|
|
3921 |
|
|
|
3922 |
// Clone the Range and collapse to the appropriate boundary point
|
|
|
3923 |
var boundaryRange = range.cloneRange();
|
|
|
3924 |
boundaryRange.collapse(atStart);
|
|
|
3925 |
|
|
|
3926 |
// Create the marker element containing a single invisible character using DOM methods and insert it
|
|
|
3927 |
markerEl = doc.createElement("span");
|
|
|
3928 |
markerEl.id = markerId;
|
|
|
3929 |
markerEl.style.lineHeight = "0";
|
|
|
3930 |
markerEl.style.display = "none";
|
|
|
3931 |
markerEl.className = "rangySelectionBoundary";
|
|
|
3932 |
markerEl.appendChild(doc.createTextNode(markerTextChar));
|
|
|
3933 |
|
|
|
3934 |
boundaryRange.insertNode(markerEl);
|
|
|
3935 |
return markerEl;
|
|
|
3936 |
}
|
|
|
3937 |
|
|
|
3938 |
function setRangeBoundary(doc, range, markerId, atStart) {
|
|
|
3939 |
var markerEl = gEBI(markerId, doc);
|
|
|
3940 |
if (markerEl) {
|
|
|
3941 |
range[atStart ? "setStartBefore" : "setEndBefore"](markerEl);
|
|
|
3942 |
removeNode(markerEl);
|
|
|
3943 |
} else {
|
|
|
3944 |
module.warn("Marker element has been removed. Cannot restore selection.");
|
|
|
3945 |
}
|
|
|
3946 |
}
|
|
|
3947 |
|
|
|
3948 |
function compareRanges(r1, r2) {
|
|
|
3949 |
return r2.compareBoundaryPoints(r1.START_TO_START, r1);
|
|
|
3950 |
}
|
|
|
3951 |
|
|
|
3952 |
function saveRange(range, direction) {
|
|
|
3953 |
var startEl, endEl, doc = api.DomRange.getRangeDocument(range), text = range.toString();
|
|
|
3954 |
var backward = isDirectionBackward(direction);
|
|
|
3955 |
|
|
|
3956 |
if (range.collapsed) {
|
|
|
3957 |
endEl = insertRangeBoundaryMarker(range, false);
|
|
|
3958 |
return {
|
|
|
3959 |
document: doc,
|
|
|
3960 |
markerId: endEl.id,
|
|
|
3961 |
collapsed: true
|
|
|
3962 |
};
|
|
|
3963 |
} else {
|
|
|
3964 |
endEl = insertRangeBoundaryMarker(range, false);
|
|
|
3965 |
startEl = insertRangeBoundaryMarker(range, true);
|
|
|
3966 |
|
|
|
3967 |
return {
|
|
|
3968 |
document: doc,
|
|
|
3969 |
startMarkerId: startEl.id,
|
|
|
3970 |
endMarkerId: endEl.id,
|
|
|
3971 |
collapsed: false,
|
|
|
3972 |
backward: backward,
|
|
|
3973 |
toString: function() {
|
|
|
3974 |
return "original text: '" + text + "', new text: '" + range.toString() + "'";
|
|
|
3975 |
}
|
|
|
3976 |
};
|
|
|
3977 |
}
|
|
|
3978 |
}
|
|
|
3979 |
|
|
|
3980 |
function restoreRange(rangeInfo, normalize) {
|
|
|
3981 |
var doc = rangeInfo.document;
|
|
|
3982 |
if (typeof normalize == "undefined") {
|
|
|
3983 |
normalize = true;
|
|
|
3984 |
}
|
|
|
3985 |
var range = api.createRange(doc);
|
|
|
3986 |
if (rangeInfo.collapsed) {
|
|
|
3987 |
var markerEl = gEBI(rangeInfo.markerId, doc);
|
|
|
3988 |
if (markerEl) {
|
|
|
3989 |
markerEl.style.display = "inline";
|
|
|
3990 |
var previousNode = markerEl.previousSibling;
|
|
|
3991 |
|
|
|
3992 |
// Workaround for issue 17
|
|
|
3993 |
if (previousNode && previousNode.nodeType == 3) {
|
|
|
3994 |
removeNode(markerEl);
|
|
|
3995 |
range.collapseToPoint(previousNode, previousNode.length);
|
|
|
3996 |
} else {
|
|
|
3997 |
range.collapseBefore(markerEl);
|
|
|
3998 |
removeNode(markerEl);
|
|
|
3999 |
}
|
|
|
4000 |
} else {
|
|
|
4001 |
module.warn("Marker element has been removed. Cannot restore selection.");
|
|
|
4002 |
}
|
|
|
4003 |
} else {
|
|
|
4004 |
setRangeBoundary(doc, range, rangeInfo.startMarkerId, true);
|
|
|
4005 |
setRangeBoundary(doc, range, rangeInfo.endMarkerId, false);
|
|
|
4006 |
}
|
|
|
4007 |
|
|
|
4008 |
if (normalize) {
|
|
|
4009 |
range.normalizeBoundaries();
|
|
|
4010 |
}
|
|
|
4011 |
|
|
|
4012 |
return range;
|
|
|
4013 |
}
|
|
|
4014 |
|
|
|
4015 |
function saveRanges(ranges, direction) {
|
|
|
4016 |
var rangeInfos = [], range, doc;
|
|
|
4017 |
var backward = isDirectionBackward(direction);
|
|
|
4018 |
|
|
|
4019 |
// Order the ranges by position within the DOM, latest first, cloning the array to leave the original untouched
|
|
|
4020 |
ranges = ranges.slice(0);
|
|
|
4021 |
ranges.sort(compareRanges);
|
|
|
4022 |
|
|
|
4023 |
for (var i = 0, len = ranges.length; i < len; ++i) {
|
|
|
4024 |
rangeInfos[i] = saveRange(ranges[i], backward);
|
|
|
4025 |
}
|
|
|
4026 |
|
|
|
4027 |
// Now that all the markers are in place and DOM manipulation over, adjust each range's boundaries to lie
|
|
|
4028 |
// between its markers
|
|
|
4029 |
for (i = len - 1; i >= 0; --i) {
|
|
|
4030 |
range = ranges[i];
|
|
|
4031 |
doc = api.DomRange.getRangeDocument(range);
|
|
|
4032 |
if (range.collapsed) {
|
|
|
4033 |
range.collapseAfter(gEBI(rangeInfos[i].markerId, doc));
|
|
|
4034 |
} else {
|
|
|
4035 |
range.setEndBefore(gEBI(rangeInfos[i].endMarkerId, doc));
|
|
|
4036 |
range.setStartAfter(gEBI(rangeInfos[i].startMarkerId, doc));
|
|
|
4037 |
}
|
|
|
4038 |
}
|
|
|
4039 |
|
|
|
4040 |
return rangeInfos;
|
|
|
4041 |
}
|
|
|
4042 |
|
|
|
4043 |
function saveSelection(win) {
|
|
|
4044 |
if (!api.isSelectionValid(win)) {
|
|
|
4045 |
module.warn("Cannot save selection. This usually happens when the selection is collapsed and the selection document has lost focus.");
|
|
|
4046 |
return null;
|
|
|
4047 |
}
|
|
|
4048 |
var sel = api.getSelection(win);
|
|
|
4049 |
var ranges = sel.getAllRanges();
|
|
|
4050 |
var backward = (ranges.length == 1 && sel.isBackward());
|
|
|
4051 |
|
|
|
4052 |
var rangeInfos = saveRanges(ranges, backward);
|
|
|
4053 |
|
|
|
4054 |
// Ensure current selection is unaffected
|
|
|
4055 |
if (backward) {
|
|
|
4056 |
sel.setSingleRange(ranges[0], backward);
|
|
|
4057 |
} else {
|
|
|
4058 |
sel.setRanges(ranges);
|
|
|
4059 |
}
|
|
|
4060 |
|
|
|
4061 |
return {
|
|
|
4062 |
win: win,
|
|
|
4063 |
rangeInfos: rangeInfos,
|
|
|
4064 |
restored: false
|
|
|
4065 |
};
|
|
|
4066 |
}
|
|
|
4067 |
|
|
|
4068 |
function restoreRanges(rangeInfos) {
|
|
|
4069 |
var ranges = [];
|
|
|
4070 |
|
|
|
4071 |
// Ranges are in reverse order of appearance in the DOM. We want to restore earliest first to avoid
|
|
|
4072 |
// normalization affecting previously restored ranges.
|
|
|
4073 |
var rangeCount = rangeInfos.length;
|
|
|
4074 |
|
|
|
4075 |
for (var i = rangeCount - 1; i >= 0; i--) {
|
|
|
4076 |
ranges[i] = restoreRange(rangeInfos[i], true);
|
|
|
4077 |
}
|
|
|
4078 |
|
|
|
4079 |
return ranges;
|
|
|
4080 |
}
|
|
|
4081 |
|
|
|
4082 |
function restoreSelection(savedSelection, preserveDirection) {
|
|
|
4083 |
if (!savedSelection.restored) {
|
|
|
4084 |
var rangeInfos = savedSelection.rangeInfos;
|
|
|
4085 |
var sel = api.getSelection(savedSelection.win);
|
|
|
4086 |
var ranges = restoreRanges(rangeInfos), rangeCount = rangeInfos.length;
|
|
|
4087 |
|
|
|
4088 |
if (rangeCount == 1 && preserveDirection && api.features.selectionHasExtend && rangeInfos[0].backward) {
|
|
|
4089 |
sel.removeAllRanges();
|
|
|
4090 |
sel.addRange(ranges[0], true);
|
|
|
4091 |
} else {
|
|
|
4092 |
sel.setRanges(ranges);
|
|
|
4093 |
}
|
|
|
4094 |
|
|
|
4095 |
savedSelection.restored = true;
|
|
|
4096 |
}
|
|
|
4097 |
}
|
|
|
4098 |
|
|
|
4099 |
function removeMarkerElement(doc, markerId) {
|
|
|
4100 |
var markerEl = gEBI(markerId, doc);
|
|
|
4101 |
if (markerEl) {
|
|
|
4102 |
removeNode(markerEl);
|
|
|
4103 |
}
|
|
|
4104 |
}
|
|
|
4105 |
|
|
|
4106 |
function removeMarkers(savedSelection) {
|
|
|
4107 |
var rangeInfos = savedSelection.rangeInfos;
|
|
|
4108 |
for (var i = 0, len = rangeInfos.length, rangeInfo; i < len; ++i) {
|
|
|
4109 |
rangeInfo = rangeInfos[i];
|
|
|
4110 |
if (rangeInfo.collapsed) {
|
|
|
4111 |
removeMarkerElement(savedSelection.doc, rangeInfo.markerId);
|
|
|
4112 |
} else {
|
|
|
4113 |
removeMarkerElement(savedSelection.doc, rangeInfo.startMarkerId);
|
|
|
4114 |
removeMarkerElement(savedSelection.doc, rangeInfo.endMarkerId);
|
|
|
4115 |
}
|
|
|
4116 |
}
|
|
|
4117 |
}
|
|
|
4118 |
|
|
|
4119 |
api.util.extend(api, {
|
|
|
4120 |
saveRange: saveRange,
|
|
|
4121 |
restoreRange: restoreRange,
|
|
|
4122 |
saveRanges: saveRanges,
|
|
|
4123 |
restoreRanges: restoreRanges,
|
|
|
4124 |
saveSelection: saveSelection,
|
|
|
4125 |
restoreSelection: restoreSelection,
|
|
|
4126 |
removeMarkerElement: removeMarkerElement,
|
|
|
4127 |
removeMarkers: removeMarkers
|
|
|
4128 |
});
|
|
|
4129 |
});
|
|
|
4130 |
|
|
|
4131 |
return rangy;
|
|
|
4132 |
}, this);
|
|
|
4133 |
/**
|
|
|
4134 |
* Serializer module for Rangy.
|
|
|
4135 |
* Serializes Ranges and Selections. An example use would be to store a user's selection on a particular page in a
|
|
|
4136 |
* cookie or local storage and restore it on the user's next visit to the same page.
|
|
|
4137 |
*
|
|
|
4138 |
* Part of Rangy, a cross-browser JavaScript range and selection library
|
|
|
4139 |
* https://github.com/timdown/rangy
|
|
|
4140 |
*
|
|
|
4141 |
* Depends on Rangy core.
|
|
|
4142 |
*
|
|
|
4143 |
* Copyright 2022, Tim Down
|
|
|
4144 |
* Licensed under the MIT license.
|
|
|
4145 |
* Version: 1.3.1
|
|
|
4146 |
* Build date: 17 August 2022
|
|
|
4147 |
*/
|
|
|
4148 |
(function(factory, root) {
|
|
|
4149 |
// No AMD or CommonJS support so we use the rangy property of root (probably the global variable)
|
|
|
4150 |
factory(root.rangy);
|
|
|
4151 |
})(function(rangy) {
|
|
|
4152 |
rangy.createModule("Serializer", ["WrappedSelection"], function(api, module) {
|
|
|
4153 |
var UNDEF = "undefined";
|
|
|
4154 |
var util = api.util;
|
|
|
4155 |
|
|
|
4156 |
// encodeURIComponent and decodeURIComponent are required for cookie handling
|
|
|
4157 |
if (typeof encodeURIComponent == UNDEF || typeof decodeURIComponent == UNDEF) {
|
|
|
4158 |
module.fail("encodeURIComponent and/or decodeURIComponent method is missing");
|
|
|
4159 |
}
|
|
|
4160 |
|
|
|
4161 |
// Checksum for checking whether range can be serialized
|
|
|
4162 |
var crc32 = (function() {
|
|
|
4163 |
function utf8encode(str) {
|
|
|
4164 |
var utf8CharCodes = [];
|
|
|
4165 |
|
|
|
4166 |
for (var i = 0, len = str.length, c; i < len; ++i) {
|
|
|
4167 |
c = str.charCodeAt(i);
|
|
|
4168 |
if (c < 128) {
|
|
|
4169 |
utf8CharCodes.push(c);
|
|
|
4170 |
} else if (c < 2048) {
|
|
|
4171 |
utf8CharCodes.push((c >> 6) | 192, (c & 63) | 128);
|
|
|
4172 |
} else {
|
|
|
4173 |
utf8CharCodes.push((c >> 12) | 224, ((c >> 6) & 63) | 128, (c & 63) | 128);
|
|
|
4174 |
}
|
|
|
4175 |
}
|
|
|
4176 |
return utf8CharCodes;
|
|
|
4177 |
}
|
|
|
4178 |
|
|
|
4179 |
var cachedCrcTable = null;
|
|
|
4180 |
|
|
|
4181 |
function buildCRCTable() {
|
|
|
4182 |
var table = [];
|
|
|
4183 |
for (var i = 0, j, crc; i < 256; ++i) {
|
|
|
4184 |
crc = i;
|
|
|
4185 |
j = 8;
|
|
|
4186 |
while (j--) {
|
|
|
4187 |
if ((crc & 1) == 1) {
|
|
|
4188 |
crc = (crc >>> 1) ^ 0xEDB88320;
|
|
|
4189 |
} else {
|
|
|
4190 |
crc >>>= 1;
|
|
|
4191 |
}
|
|
|
4192 |
}
|
|
|
4193 |
table[i] = crc >>> 0;
|
|
|
4194 |
}
|
|
|
4195 |
return table;
|
|
|
4196 |
}
|
|
|
4197 |
|
|
|
4198 |
function getCrcTable() {
|
|
|
4199 |
if (!cachedCrcTable) {
|
|
|
4200 |
cachedCrcTable = buildCRCTable();
|
|
|
4201 |
}
|
|
|
4202 |
return cachedCrcTable;
|
|
|
4203 |
}
|
|
|
4204 |
|
|
|
4205 |
return function(str) {
|
|
|
4206 |
var utf8CharCodes = utf8encode(str), crc = -1, crcTable = getCrcTable();
|
|
|
4207 |
for (var i = 0, len = utf8CharCodes.length, y; i < len; ++i) {
|
|
|
4208 |
y = (crc ^ utf8CharCodes[i]) & 0xFF;
|
|
|
4209 |
crc = (crc >>> 8) ^ crcTable[y];
|
|
|
4210 |
}
|
|
|
4211 |
return (crc ^ -1) >>> 0;
|
|
|
4212 |
};
|
|
|
4213 |
})();
|
|
|
4214 |
|
|
|
4215 |
var dom = api.dom;
|
|
|
4216 |
|
|
|
4217 |
function escapeTextForHtml(str) {
|
|
|
4218 |
return str.replace(/</g, "<").replace(/>/g, ">");
|
|
|
4219 |
}
|
|
|
4220 |
|
|
|
4221 |
function nodeToInfoString(node, infoParts) {
|
|
|
4222 |
infoParts = infoParts || [];
|
|
|
4223 |
var nodeType = node.nodeType, children = node.childNodes, childCount = children.length;
|
|
|
4224 |
var nodeInfo = [nodeType, node.nodeName, childCount].join(":");
|
|
|
4225 |
var start = "", end = "";
|
|
|
4226 |
switch (nodeType) {
|
|
|
4227 |
case 3: // Text node
|
|
|
4228 |
start = escapeTextForHtml(node.nodeValue);
|
|
|
4229 |
break;
|
|
|
4230 |
case 8: // Comment
|
|
|
4231 |
start = "<!--" + escapeTextForHtml(node.nodeValue) + "-->";
|
|
|
4232 |
break;
|
|
|
4233 |
default:
|
|
|
4234 |
start = "<" + nodeInfo + ">";
|
|
|
4235 |
end = "</>";
|
|
|
4236 |
break;
|
|
|
4237 |
}
|
|
|
4238 |
if (start) {
|
|
|
4239 |
infoParts.push(start);
|
|
|
4240 |
}
|
|
|
4241 |
for (var i = 0; i < childCount; ++i) {
|
|
|
4242 |
nodeToInfoString(children[i], infoParts);
|
|
|
4243 |
}
|
|
|
4244 |
if (end) {
|
|
|
4245 |
infoParts.push(end);
|
|
|
4246 |
}
|
|
|
4247 |
return infoParts;
|
|
|
4248 |
}
|
|
|
4249 |
|
|
|
4250 |
// Creates a string representation of the specified element's contents that is similar to innerHTML but omits all
|
|
|
4251 |
// attributes and comments and includes child node counts. This is done instead of using innerHTML to work around
|
|
|
4252 |
// IE <= 8's policy of including element properties in attributes, which ruins things by changing an element's
|
|
|
4253 |
// innerHTML whenever the user changes an input within the element.
|
|
|
4254 |
function getElementChecksum(el) {
|
|
|
4255 |
var info = nodeToInfoString(el).join("");
|
|
|
4256 |
return crc32(info).toString(16);
|
|
|
4257 |
}
|
|
|
4258 |
|
|
|
4259 |
function serializePosition(node, offset, rootNode) {
|
|
|
4260 |
var pathParts = [], n = node;
|
|
|
4261 |
rootNode = rootNode || dom.getDocument(node).documentElement;
|
|
|
4262 |
while (n && n != rootNode) {
|
|
|
4263 |
pathParts.push(dom.getNodeIndex(n, true));
|
|
|
4264 |
n = n.parentNode;
|
|
|
4265 |
}
|
|
|
4266 |
return pathParts.join("/") + ":" + offset;
|
|
|
4267 |
}
|
|
|
4268 |
|
|
|
4269 |
function deserializePosition(serialized, rootNode, doc) {
|
|
|
4270 |
if (!rootNode) {
|
|
|
4271 |
rootNode = (doc || document).documentElement;
|
|
|
4272 |
}
|
|
|
4273 |
var parts = serialized.split(":");
|
|
|
4274 |
var node = rootNode;
|
|
|
4275 |
var nodeIndices = parts[0] ? parts[0].split("/") : [], i = nodeIndices.length, nodeIndex;
|
|
|
4276 |
|
|
|
4277 |
while (i--) {
|
|
|
4278 |
nodeIndex = parseInt(nodeIndices[i], 10);
|
|
|
4279 |
if (nodeIndex < node.childNodes.length) {
|
|
|
4280 |
node = node.childNodes[nodeIndex];
|
|
|
4281 |
} else {
|
|
|
4282 |
throw module.createError("deserializePosition() failed: node " + dom.inspectNode(node) +
|
|
|
4283 |
" has no child with index " + nodeIndex + ", " + i);
|
|
|
4284 |
}
|
|
|
4285 |
}
|
|
|
4286 |
|
|
|
4287 |
return new dom.DomPosition(node, parseInt(parts[1], 10));
|
|
|
4288 |
}
|
|
|
4289 |
|
|
|
4290 |
function serializeRange(range, omitChecksum, rootNode) {
|
|
|
4291 |
rootNode = rootNode || api.DomRange.getRangeDocument(range).documentElement;
|
|
|
4292 |
if (!dom.isOrIsAncestorOf(rootNode, range.commonAncestorContainer)) {
|
|
|
4293 |
throw module.createError("serializeRange(): range " + range.inspect() +
|
|
|
4294 |
" is not wholly contained within specified root node " + dom.inspectNode(rootNode));
|
|
|
4295 |
}
|
|
|
4296 |
var serialized = serializePosition(range.startContainer, range.startOffset, rootNode) + "," +
|
|
|
4297 |
serializePosition(range.endContainer, range.endOffset, rootNode);
|
|
|
4298 |
if (!omitChecksum) {
|
|
|
4299 |
serialized += "{" + getElementChecksum(rootNode) + "}";
|
|
|
4300 |
}
|
|
|
4301 |
return serialized;
|
|
|
4302 |
}
|
|
|
4303 |
|
|
|
4304 |
var deserializeRegex = /^([^,]+),([^,\{]+)(\{([^}]+)\})?$/;
|
|
|
4305 |
|
|
|
4306 |
function deserializeRange(serialized, rootNode, doc) {
|
|
|
4307 |
if (rootNode) {
|
|
|
4308 |
doc = doc || dom.getDocument(rootNode);
|
|
|
4309 |
} else {
|
|
|
4310 |
doc = doc || document;
|
|
|
4311 |
rootNode = doc.documentElement;
|
|
|
4312 |
}
|
|
|
4313 |
var result = deserializeRegex.exec(serialized);
|
|
|
4314 |
var checksum = result[4];
|
|
|
4315 |
if (checksum) {
|
|
|
4316 |
var rootNodeChecksum = getElementChecksum(rootNode);
|
|
|
4317 |
if (checksum !== rootNodeChecksum) {
|
|
|
4318 |
throw module.createError("deserializeRange(): checksums of serialized range root node (" + checksum +
|
|
|
4319 |
") and target root node (" + rootNodeChecksum + ") do not match");
|
|
|
4320 |
}
|
|
|
4321 |
}
|
|
|
4322 |
var start = deserializePosition(result[1], rootNode, doc), end = deserializePosition(result[2], rootNode, doc);
|
|
|
4323 |
var range = api.createRange(doc);
|
|
|
4324 |
range.setStartAndEnd(start.node, start.offset, end.node, end.offset);
|
|
|
4325 |
return range;
|
|
|
4326 |
}
|
|
|
4327 |
|
|
|
4328 |
function canDeserializeRange(serialized, rootNode, doc) {
|
|
|
4329 |
if (!rootNode) {
|
|
|
4330 |
rootNode = (doc || document).documentElement;
|
|
|
4331 |
}
|
|
|
4332 |
var result = deserializeRegex.exec(serialized);
|
|
|
4333 |
var checksum = result[3];
|
|
|
4334 |
return !checksum || checksum === getElementChecksum(rootNode);
|
|
|
4335 |
}
|
|
|
4336 |
|
|
|
4337 |
function serializeSelection(selection, omitChecksum, rootNode) {
|
|
|
4338 |
selection = api.getSelection(selection);
|
|
|
4339 |
var ranges = selection.getAllRanges(), serializedRanges = [];
|
|
|
4340 |
for (var i = 0, len = ranges.length; i < len; ++i) {
|
|
|
4341 |
serializedRanges[i] = serializeRange(ranges[i], omitChecksum, rootNode);
|
|
|
4342 |
}
|
|
|
4343 |
return serializedRanges.join("|");
|
|
|
4344 |
}
|
|
|
4345 |
|
|
|
4346 |
function deserializeSelection(serialized, rootNode, win) {
|
|
|
4347 |
if (rootNode) {
|
|
|
4348 |
win = win || dom.getWindow(rootNode);
|
|
|
4349 |
} else {
|
|
|
4350 |
win = win || window;
|
|
|
4351 |
rootNode = win.document.documentElement;
|
|
|
4352 |
}
|
|
|
4353 |
var serializedRanges = serialized.split("|");
|
|
|
4354 |
var sel = api.getSelection(win);
|
|
|
4355 |
var ranges = [];
|
|
|
4356 |
|
|
|
4357 |
for (var i = 0, len = serializedRanges.length; i < len; ++i) {
|
|
|
4358 |
ranges[i] = deserializeRange(serializedRanges[i], rootNode, win.document);
|
|
|
4359 |
}
|
|
|
4360 |
sel.setRanges(ranges);
|
|
|
4361 |
|
|
|
4362 |
return sel;
|
|
|
4363 |
}
|
|
|
4364 |
|
|
|
4365 |
function canDeserializeSelection(serialized, rootNode, win) {
|
|
|
4366 |
var doc;
|
|
|
4367 |
if (rootNode) {
|
|
|
4368 |
doc = win ? win.document : dom.getDocument(rootNode);
|
|
|
4369 |
} else {
|
|
|
4370 |
win = win || window;
|
|
|
4371 |
rootNode = win.document.documentElement;
|
|
|
4372 |
}
|
|
|
4373 |
var serializedRanges = serialized.split("|");
|
|
|
4374 |
|
|
|
4375 |
for (var i = 0, len = serializedRanges.length; i < len; ++i) {
|
|
|
4376 |
if (!canDeserializeRange(serializedRanges[i], rootNode, doc)) {
|
|
|
4377 |
return false;
|
|
|
4378 |
}
|
|
|
4379 |
}
|
|
|
4380 |
|
|
|
4381 |
return true;
|
|
|
4382 |
}
|
|
|
4383 |
|
|
|
4384 |
var cookieName = "rangySerializedSelection";
|
|
|
4385 |
|
|
|
4386 |
function getSerializedSelectionFromCookie(cookie) {
|
|
|
4387 |
var parts = cookie.split(/[;,]/);
|
|
|
4388 |
for (var i = 0, len = parts.length, nameVal, val; i < len; ++i) {
|
|
|
4389 |
nameVal = parts[i].split("=");
|
|
|
4390 |
if (nameVal[0].replace(/^\s+/, "") == cookieName) {
|
|
|
4391 |
val = nameVal[1];
|
|
|
4392 |
if (val) {
|
|
|
4393 |
return decodeURIComponent(val.replace(/\s+$/, ""));
|
|
|
4394 |
}
|
|
|
4395 |
}
|
|
|
4396 |
}
|
|
|
4397 |
return null;
|
|
|
4398 |
}
|
|
|
4399 |
|
|
|
4400 |
function restoreSelectionFromCookie(win) {
|
|
|
4401 |
win = win || window;
|
|
|
4402 |
var serialized = getSerializedSelectionFromCookie(win.document.cookie);
|
|
|
4403 |
if (serialized) {
|
|
|
4404 |
deserializeSelection(serialized, win.doc);
|
|
|
4405 |
}
|
|
|
4406 |
}
|
|
|
4407 |
|
|
|
4408 |
function saveSelectionCookie(win, props) {
|
|
|
4409 |
win = win || window;
|
|
|
4410 |
props = (typeof props == "object") ? props : {};
|
|
|
4411 |
var expires = props.expires ? ";expires=" + props.expires.toUTCString() : "";
|
|
|
4412 |
var path = props.path ? ";path=" + props.path : "";
|
|
|
4413 |
var domain = props.domain ? ";domain=" + props.domain : "";
|
|
|
4414 |
var secure = props.secure ? ";secure" : "";
|
|
|
4415 |
var serialized = serializeSelection(api.getSelection(win));
|
|
|
4416 |
win.document.cookie = encodeURIComponent(cookieName) + "=" + encodeURIComponent(serialized) + expires + path + domain + secure;
|
|
|
4417 |
}
|
|
|
4418 |
|
|
|
4419 |
util.extend(api, {
|
|
|
4420 |
serializePosition: serializePosition,
|
|
|
4421 |
deserializePosition: deserializePosition,
|
|
|
4422 |
serializeRange: serializeRange,
|
|
|
4423 |
deserializeRange: deserializeRange,
|
|
|
4424 |
canDeserializeRange: canDeserializeRange,
|
|
|
4425 |
serializeSelection: serializeSelection,
|
|
|
4426 |
deserializeSelection: deserializeSelection,
|
|
|
4427 |
canDeserializeSelection: canDeserializeSelection,
|
|
|
4428 |
restoreSelectionFromCookie: restoreSelectionFromCookie,
|
|
|
4429 |
saveSelectionCookie: saveSelectionCookie,
|
|
|
4430 |
getElementChecksum: getElementChecksum,
|
|
|
4431 |
nodeToInfoString: nodeToInfoString
|
|
|
4432 |
});
|
|
|
4433 |
|
|
|
4434 |
util.crc32 = crc32;
|
|
|
4435 |
});
|
|
|
4436 |
|
|
|
4437 |
return rangy;
|
|
|
4438 |
}, this);
|
|
|
4439 |
/**
|
|
|
4440 |
* Class Applier module for Rangy.
|
|
|
4441 |
* Adds, removes and toggles classes on Ranges and Selections
|
|
|
4442 |
*
|
|
|
4443 |
* Part of Rangy, a cross-browser JavaScript range and selection library
|
|
|
4444 |
* https://github.com/timdown/rangy
|
|
|
4445 |
*
|
|
|
4446 |
* Depends on Rangy core.
|
|
|
4447 |
*
|
|
|
4448 |
* Copyright 2022, Tim Down
|
|
|
4449 |
* Licensed under the MIT license.
|
|
|
4450 |
* Version: 1.3.1
|
|
|
4451 |
* Build date: 17 August 2022
|
|
|
4452 |
*/
|
|
|
4453 |
(function(factory, root) {
|
|
|
4454 |
// No AMD or CommonJS support so we use the rangy property of root (probably the global variable)
|
|
|
4455 |
factory(root.rangy);
|
|
|
4456 |
})(function(rangy) {
|
|
|
4457 |
rangy.createModule("ClassApplier", ["WrappedSelection"], function(api, module) {
|
|
|
4458 |
var dom = api.dom;
|
|
|
4459 |
var DomPosition = dom.DomPosition;
|
|
|
4460 |
var contains = dom.arrayContains;
|
|
|
4461 |
var util = api.util;
|
|
|
4462 |
var forEach = util.forEach;
|
|
|
4463 |
|
|
|
4464 |
|
|
|
4465 |
var defaultTagName = "span";
|
|
|
4466 |
var createElementNSSupported = util.isHostMethod(document, "createElementNS");
|
|
|
4467 |
|
|
|
4468 |
function each(obj, func) {
|
|
|
4469 |
for (var i in obj) {
|
|
|
4470 |
if (obj.hasOwnProperty(i)) {
|
|
|
4471 |
if (func(i, obj[i]) === false) {
|
|
|
4472 |
return false;
|
|
|
4473 |
}
|
|
|
4474 |
}
|
|
|
4475 |
}
|
|
|
4476 |
return true;
|
|
|
4477 |
}
|
|
|
4478 |
|
|
|
4479 |
function trim(str) {
|
|
|
4480 |
return str.replace(/^\s\s*/, "").replace(/\s\s*$/, "");
|
|
|
4481 |
}
|
|
|
4482 |
|
|
|
4483 |
function classNameContainsClass(fullClassName, className) {
|
|
|
4484 |
return !!fullClassName && new RegExp("(?:^|\\s)" + className + "(?:\\s|$)").test(fullClassName);
|
|
|
4485 |
}
|
|
|
4486 |
|
|
|
4487 |
// Inefficient, inelegant nonsense for IE's svg element, which has no classList and non-HTML className implementation
|
|
|
4488 |
function hasClass(el, className) {
|
|
|
4489 |
if (typeof el.classList == "object") {
|
|
|
4490 |
return el.classList.contains(className);
|
|
|
4491 |
} else {
|
|
|
4492 |
var classNameSupported = (typeof el.className == "string");
|
|
|
4493 |
var elClass = classNameSupported ? el.className : el.getAttribute("class");
|
|
|
4494 |
return classNameContainsClass(elClass, className);
|
|
|
4495 |
}
|
|
|
4496 |
}
|
|
|
4497 |
|
|
|
4498 |
function addClass(el, className) {
|
|
|
4499 |
if (typeof el.classList == "object") {
|
|
|
4500 |
el.classList.add(className);
|
|
|
4501 |
} else {
|
|
|
4502 |
var classNameSupported = (typeof el.className == "string");
|
|
|
4503 |
var elClass = classNameSupported ? el.className : el.getAttribute("class");
|
|
|
4504 |
if (elClass) {
|
|
|
4505 |
if (!classNameContainsClass(elClass, className)) {
|
|
|
4506 |
elClass += " " + className;
|
|
|
4507 |
}
|
|
|
4508 |
} else {
|
|
|
4509 |
elClass = className;
|
|
|
4510 |
}
|
|
|
4511 |
if (classNameSupported) {
|
|
|
4512 |
el.className = elClass;
|
|
|
4513 |
} else {
|
|
|
4514 |
el.setAttribute("class", elClass);
|
|
|
4515 |
}
|
|
|
4516 |
}
|
|
|
4517 |
}
|
|
|
4518 |
|
|
|
4519 |
var removeClass = (function() {
|
|
|
4520 |
function replacer(matched, whiteSpaceBefore, whiteSpaceAfter) {
|
|
|
4521 |
return (whiteSpaceBefore && whiteSpaceAfter) ? " " : "";
|
|
|
4522 |
}
|
|
|
4523 |
|
|
|
4524 |
return function(el, className) {
|
|
|
4525 |
if (typeof el.classList == "object") {
|
|
|
4526 |
el.classList.remove(className);
|
|
|
4527 |
} else {
|
|
|
4528 |
var classNameSupported = (typeof el.className == "string");
|
|
|
4529 |
var elClass = classNameSupported ? el.className : el.getAttribute("class");
|
|
|
4530 |
elClass = elClass.replace(new RegExp("(^|\\s)" + className + "(\\s|$)"), replacer);
|
|
|
4531 |
if (classNameSupported) {
|
|
|
4532 |
el.className = elClass;
|
|
|
4533 |
} else {
|
|
|
4534 |
el.setAttribute("class", elClass);
|
|
|
4535 |
}
|
|
|
4536 |
}
|
|
|
4537 |
};
|
|
|
4538 |
})();
|
|
|
4539 |
|
|
|
4540 |
function getClass(el) {
|
|
|
4541 |
var classNameSupported = (typeof el.className == "string");
|
|
|
4542 |
return classNameSupported ? el.className : el.getAttribute("class");
|
|
|
4543 |
}
|
|
|
4544 |
|
|
|
4545 |
function sortClassName(className) {
|
|
|
4546 |
return className && className.split(/\s+/).sort().join(" ");
|
|
|
4547 |
}
|
|
|
4548 |
|
|
|
4549 |
function getSortedClassName(el) {
|
|
|
4550 |
return sortClassName( getClass(el) );
|
|
|
4551 |
}
|
|
|
4552 |
|
|
|
4553 |
function haveSameClasses(el1, el2) {
|
|
|
4554 |
return getSortedClassName(el1) == getSortedClassName(el2);
|
|
|
4555 |
}
|
|
|
4556 |
|
|
|
4557 |
function hasAllClasses(el, className) {
|
|
|
4558 |
var classes = className.split(/\s+/);
|
|
|
4559 |
for (var i = 0, len = classes.length; i < len; ++i) {
|
|
|
4560 |
if (!hasClass(el, trim(classes[i]))) {
|
|
|
4561 |
return false;
|
|
|
4562 |
}
|
|
|
4563 |
}
|
|
|
4564 |
return true;
|
|
|
4565 |
}
|
|
|
4566 |
|
|
|
4567 |
function canTextBeStyled(textNode) {
|
|
|
4568 |
var parent = textNode.parentNode;
|
|
|
4569 |
return (parent && parent.nodeType == 1 && !/^(textarea|style|script|select|iframe)$/i.test(parent.nodeName));
|
|
|
4570 |
}
|
|
|
4571 |
|
|
|
4572 |
function movePosition(position, oldParent, oldIndex, newParent, newIndex) {
|
|
|
4573 |
var posNode = position.node, posOffset = position.offset;
|
|
|
4574 |
var newNode = posNode, newOffset = posOffset;
|
|
|
4575 |
|
|
|
4576 |
if (posNode == newParent && posOffset > newIndex) {
|
|
|
4577 |
++newOffset;
|
|
|
4578 |
}
|
|
|
4579 |
|
|
|
4580 |
if (posNode == oldParent && (posOffset == oldIndex || posOffset == oldIndex + 1)) {
|
|
|
4581 |
newNode = newParent;
|
|
|
4582 |
newOffset += newIndex - oldIndex;
|
|
|
4583 |
}
|
|
|
4584 |
|
|
|
4585 |
if (posNode == oldParent && posOffset > oldIndex + 1) {
|
|
|
4586 |
--newOffset;
|
|
|
4587 |
}
|
|
|
4588 |
|
|
|
4589 |
position.node = newNode;
|
|
|
4590 |
position.offset = newOffset;
|
|
|
4591 |
}
|
|
|
4592 |
|
|
|
4593 |
function movePositionWhenRemovingNode(position, parentNode, index) {
|
|
|
4594 |
if (position.node == parentNode && position.offset > index) {
|
|
|
4595 |
--position.offset;
|
|
|
4596 |
}
|
|
|
4597 |
}
|
|
|
4598 |
|
|
|
4599 |
function movePreservingPositions(node, newParent, newIndex, positionsToPreserve) {
|
|
|
4600 |
// For convenience, allow newIndex to be -1 to mean "insert at the end".
|
|
|
4601 |
if (newIndex == -1) {
|
|
|
4602 |
newIndex = newParent.childNodes.length;
|
|
|
4603 |
}
|
|
|
4604 |
|
|
|
4605 |
var oldParent = node.parentNode;
|
|
|
4606 |
var oldIndex = dom.getNodeIndex(node);
|
|
|
4607 |
|
|
|
4608 |
forEach(positionsToPreserve, function(position) {
|
|
|
4609 |
movePosition(position, oldParent, oldIndex, newParent, newIndex);
|
|
|
4610 |
});
|
|
|
4611 |
|
|
|
4612 |
// Now actually move the node.
|
|
|
4613 |
if (newParent.childNodes.length == newIndex) {
|
|
|
4614 |
newParent.appendChild(node);
|
|
|
4615 |
} else {
|
|
|
4616 |
newParent.insertBefore(node, newParent.childNodes[newIndex]);
|
|
|
4617 |
}
|
|
|
4618 |
}
|
|
|
4619 |
|
|
|
4620 |
function removePreservingPositions(node, positionsToPreserve) {
|
|
|
4621 |
|
|
|
4622 |
var oldParent = node.parentNode;
|
|
|
4623 |
var oldIndex = dom.getNodeIndex(node);
|
|
|
4624 |
|
|
|
4625 |
forEach(positionsToPreserve, function(position) {
|
|
|
4626 |
movePositionWhenRemovingNode(position, oldParent, oldIndex);
|
|
|
4627 |
});
|
|
|
4628 |
|
|
|
4629 |
dom.removeNode(node);
|
|
|
4630 |
}
|
|
|
4631 |
|
|
|
4632 |
function moveChildrenPreservingPositions(node, newParent, newIndex, removeNode, positionsToPreserve) {
|
|
|
4633 |
var child, children = [];
|
|
|
4634 |
while ( (child = node.firstChild) ) {
|
|
|
4635 |
movePreservingPositions(child, newParent, newIndex++, positionsToPreserve);
|
|
|
4636 |
children.push(child);
|
|
|
4637 |
}
|
|
|
4638 |
if (removeNode) {
|
|
|
4639 |
removePreservingPositions(node, positionsToPreserve);
|
|
|
4640 |
}
|
|
|
4641 |
return children;
|
|
|
4642 |
}
|
|
|
4643 |
|
|
|
4644 |
function replaceWithOwnChildrenPreservingPositions(element, positionsToPreserve) {
|
|
|
4645 |
return moveChildrenPreservingPositions(element, element.parentNode, dom.getNodeIndex(element), true, positionsToPreserve);
|
|
|
4646 |
}
|
|
|
4647 |
|
|
|
4648 |
function rangeSelectsAnyText(range, textNode) {
|
|
|
4649 |
var textNodeRange = range.cloneRange();
|
|
|
4650 |
textNodeRange.selectNodeContents(textNode);
|
|
|
4651 |
|
|
|
4652 |
var intersectionRange = textNodeRange.intersection(range);
|
|
|
4653 |
var text = intersectionRange ? intersectionRange.toString() : "";
|
|
|
4654 |
|
|
|
4655 |
return text != "";
|
|
|
4656 |
}
|
|
|
4657 |
|
|
|
4658 |
function getEffectiveTextNodes(range) {
|
|
|
4659 |
var nodes = range.getNodes([3]);
|
|
|
4660 |
|
|
|
4661 |
// Optimization as per issue 145
|
|
|
4662 |
|
|
|
4663 |
// Remove non-intersecting text nodes from the start of the range
|
|
|
4664 |
var start = 0, node;
|
|
|
4665 |
while ( (node = nodes[start]) && !rangeSelectsAnyText(range, node) ) {
|
|
|
4666 |
++start;
|
|
|
4667 |
}
|
|
|
4668 |
|
|
|
4669 |
// Remove non-intersecting text nodes from the start of the range
|
|
|
4670 |
var end = nodes.length - 1;
|
|
|
4671 |
while ( (node = nodes[end]) && !rangeSelectsAnyText(range, node) ) {
|
|
|
4672 |
--end;
|
|
|
4673 |
}
|
|
|
4674 |
|
|
|
4675 |
return nodes.slice(start, end + 1);
|
|
|
4676 |
}
|
|
|
4677 |
|
|
|
4678 |
function elementsHaveSameNonClassAttributes(el1, el2) {
|
|
|
4679 |
if (el1.attributes.length != el2.attributes.length) return false;
|
|
|
4680 |
for (var i = 0, len = el1.attributes.length, attr1, attr2, name; i < len; ++i) {
|
|
|
4681 |
attr1 = el1.attributes[i];
|
|
|
4682 |
name = attr1.name;
|
|
|
4683 |
if (name != "class") {
|
|
|
4684 |
attr2 = el2.attributes.getNamedItem(name);
|
|
|
4685 |
if ( (attr1 === null) != (attr2 === null) ) return false;
|
|
|
4686 |
if (attr1.specified != attr2.specified) return false;
|
|
|
4687 |
if (attr1.specified && attr1.nodeValue !== attr2.nodeValue) return false;
|
|
|
4688 |
}
|
|
|
4689 |
}
|
|
|
4690 |
return true;
|
|
|
4691 |
}
|
|
|
4692 |
|
|
|
4693 |
function elementHasNonClassAttributes(el, exceptions) {
|
|
|
4694 |
for (var i = 0, len = el.attributes.length, attrName; i < len; ++i) {
|
|
|
4695 |
attrName = el.attributes[i].name;
|
|
|
4696 |
if ( !(exceptions && contains(exceptions, attrName)) && el.attributes[i].specified && attrName != "class") {
|
|
|
4697 |
return true;
|
|
|
4698 |
}
|
|
|
4699 |
}
|
|
|
4700 |
return false;
|
|
|
4701 |
}
|
|
|
4702 |
|
|
|
4703 |
var getComputedStyleProperty = dom.getComputedStyleProperty;
|
|
|
4704 |
var isEditableElement = (function() {
|
|
|
4705 |
var testEl = document.createElement("div");
|
|
|
4706 |
return typeof testEl.isContentEditable == "boolean" ?
|
|
|
4707 |
function (node) {
|
|
|
4708 |
return node && node.nodeType == 1 && node.isContentEditable;
|
|
|
4709 |
} :
|
|
|
4710 |
function (node) {
|
|
|
4711 |
if (!node || node.nodeType != 1 || node.contentEditable == "false") {
|
|
|
4712 |
return false;
|
|
|
4713 |
}
|
|
|
4714 |
return node.contentEditable == "true" || isEditableElement(node.parentNode);
|
|
|
4715 |
};
|
|
|
4716 |
})();
|
|
|
4717 |
|
|
|
4718 |
function isEditingHost(node) {
|
|
|
4719 |
var parent;
|
|
|
4720 |
return node && node.nodeType == 1 &&
|
|
|
4721 |
(( (parent = node.parentNode) && parent.nodeType == 9 && parent.designMode == "on") ||
|
|
|
4722 |
(isEditableElement(node) && !isEditableElement(node.parentNode)));
|
|
|
4723 |
}
|
|
|
4724 |
|
|
|
4725 |
function isEditable(node) {
|
|
|
4726 |
return (isEditableElement(node) || (node.nodeType != 1 && isEditableElement(node.parentNode))) && !isEditingHost(node);
|
|
|
4727 |
}
|
|
|
4728 |
|
|
|
4729 |
var inlineDisplayRegex = /^inline(-block|-table)?$/i;
|
|
|
4730 |
|
|
|
4731 |
function isNonInlineElement(node) {
|
|
|
4732 |
return node && node.nodeType == 1 && !inlineDisplayRegex.test(getComputedStyleProperty(node, "display"));
|
|
|
4733 |
}
|
|
|
4734 |
|
|
|
4735 |
// White space characters as defined by HTML 4 (http://www.w3.org/TR/html401/struct/text.html)
|
|
|
4736 |
var htmlNonWhiteSpaceRegex = /[^\r\n\t\f \u200B]/;
|
|
|
4737 |
|
|
|
4738 |
function isUnrenderedWhiteSpaceNode(node) {
|
|
|
4739 |
if (node.data.length == 0) {
|
|
|
4740 |
return true;
|
|
|
4741 |
}
|
|
|
4742 |
if (htmlNonWhiteSpaceRegex.test(node.data)) {
|
|
|
4743 |
return false;
|
|
|
4744 |
}
|
|
|
4745 |
var cssWhiteSpace = getComputedStyleProperty(node.parentNode, "whiteSpace");
|
|
|
4746 |
switch (cssWhiteSpace) {
|
|
|
4747 |
case "pre":
|
|
|
4748 |
case "pre-wrap":
|
|
|
4749 |
case "-moz-pre-wrap":
|
|
|
4750 |
return false;
|
|
|
4751 |
case "pre-line":
|
|
|
4752 |
if (/[\r\n]/.test(node.data)) {
|
|
|
4753 |
return false;
|
|
|
4754 |
}
|
|
|
4755 |
}
|
|
|
4756 |
|
|
|
4757 |
// We now have a whitespace-only text node that may be rendered depending on its context. If it is adjacent to a
|
|
|
4758 |
// non-inline element, it will not be rendered. This seems to be a good enough definition.
|
|
|
4759 |
return isNonInlineElement(node.previousSibling) || isNonInlineElement(node.nextSibling);
|
|
|
4760 |
}
|
|
|
4761 |
|
|
|
4762 |
function getRangeBoundaries(ranges) {
|
|
|
4763 |
var positions = [], i, range;
|
|
|
4764 |
for (i = 0; range = ranges[i++]; ) {
|
|
|
4765 |
positions.push(
|
|
|
4766 |
new DomPosition(range.startContainer, range.startOffset),
|
|
|
4767 |
new DomPosition(range.endContainer, range.endOffset)
|
|
|
4768 |
);
|
|
|
4769 |
}
|
|
|
4770 |
return positions;
|
|
|
4771 |
}
|
|
|
4772 |
|
|
|
4773 |
function updateRangesFromBoundaries(ranges, positions) {
|
|
|
4774 |
for (var i = 0, range, start, end, len = ranges.length; i < len; ++i) {
|
|
|
4775 |
range = ranges[i];
|
|
|
4776 |
start = positions[i * 2];
|
|
|
4777 |
end = positions[i * 2 + 1];
|
|
|
4778 |
range.setStartAndEnd(start.node, start.offset, end.node, end.offset);
|
|
|
4779 |
}
|
|
|
4780 |
}
|
|
|
4781 |
|
|
|
4782 |
function isSplitPoint(node, offset) {
|
|
|
4783 |
if (dom.isCharacterDataNode(node)) {
|
|
|
4784 |
if (offset == 0) {
|
|
|
4785 |
return !!node.previousSibling;
|
|
|
4786 |
} else if (offset == node.length) {
|
|
|
4787 |
return !!node.nextSibling;
|
|
|
4788 |
} else {
|
|
|
4789 |
return true;
|
|
|
4790 |
}
|
|
|
4791 |
}
|
|
|
4792 |
|
|
|
4793 |
return offset > 0 && offset < node.childNodes.length;
|
|
|
4794 |
}
|
|
|
4795 |
|
|
|
4796 |
function splitNodeAt(node, descendantNode, descendantOffset, positionsToPreserve) {
|
|
|
4797 |
var newNode, parentNode;
|
|
|
4798 |
var splitAtStart = (descendantOffset == 0);
|
|
|
4799 |
|
|
|
4800 |
if (dom.isAncestorOf(descendantNode, node)) {
|
|
|
4801 |
return node;
|
|
|
4802 |
}
|
|
|
4803 |
|
|
|
4804 |
if (dom.isCharacterDataNode(descendantNode)) {
|
|
|
4805 |
var descendantIndex = dom.getNodeIndex(descendantNode);
|
|
|
4806 |
if (descendantOffset == 0) {
|
|
|
4807 |
descendantOffset = descendantIndex;
|
|
|
4808 |
} else if (descendantOffset == descendantNode.length) {
|
|
|
4809 |
descendantOffset = descendantIndex + 1;
|
|
|
4810 |
} else {
|
|
|
4811 |
throw module.createError("splitNodeAt() should not be called with offset in the middle of a data node (" +
|
|
|
4812 |
descendantOffset + " in " + descendantNode.data);
|
|
|
4813 |
}
|
|
|
4814 |
descendantNode = descendantNode.parentNode;
|
|
|
4815 |
}
|
|
|
4816 |
|
|
|
4817 |
if (isSplitPoint(descendantNode, descendantOffset)) {
|
|
|
4818 |
// descendantNode is now guaranteed not to be a text or other character node
|
|
|
4819 |
newNode = descendantNode.cloneNode(false);
|
|
|
4820 |
parentNode = descendantNode.parentNode;
|
|
|
4821 |
if (newNode.id) {
|
|
|
4822 |
newNode.removeAttribute("id");
|
|
|
4823 |
}
|
|
|
4824 |
var child, newChildIndex = 0;
|
|
|
4825 |
|
|
|
4826 |
while ( (child = descendantNode.childNodes[descendantOffset]) ) {
|
|
|
4827 |
movePreservingPositions(child, newNode, newChildIndex++, positionsToPreserve);
|
|
|
4828 |
}
|
|
|
4829 |
movePreservingPositions(newNode, parentNode, dom.getNodeIndex(descendantNode) + 1, positionsToPreserve);
|
|
|
4830 |
return (descendantNode == node) ? newNode : splitNodeAt(node, parentNode, dom.getNodeIndex(newNode), positionsToPreserve);
|
|
|
4831 |
} else if (node != descendantNode) {
|
|
|
4832 |
newNode = descendantNode.parentNode;
|
|
|
4833 |
|
|
|
4834 |
// Work out a new split point in the parent node
|
|
|
4835 |
var newNodeIndex = dom.getNodeIndex(descendantNode);
|
|
|
4836 |
|
|
|
4837 |
if (!splitAtStart) {
|
|
|
4838 |
newNodeIndex++;
|
|
|
4839 |
}
|
|
|
4840 |
return splitNodeAt(node, newNode, newNodeIndex, positionsToPreserve);
|
|
|
4841 |
}
|
|
|
4842 |
return node;
|
|
|
4843 |
}
|
|
|
4844 |
|
|
|
4845 |
function areElementsMergeable(el1, el2) {
|
|
|
4846 |
return el1.namespaceURI == el2.namespaceURI &&
|
|
|
4847 |
el1.tagName.toLowerCase() == el2.tagName.toLowerCase() &&
|
|
|
4848 |
haveSameClasses(el1, el2) &&
|
|
|
4849 |
elementsHaveSameNonClassAttributes(el1, el2) &&
|
|
|
4850 |
getComputedStyleProperty(el1, "display") == "inline" &&
|
|
|
4851 |
getComputedStyleProperty(el2, "display") == "inline";
|
|
|
4852 |
}
|
|
|
4853 |
|
|
|
4854 |
function createAdjacentMergeableTextNodeGetter(forward) {
|
|
|
4855 |
var siblingPropName = forward ? "nextSibling" : "previousSibling";
|
|
|
4856 |
|
|
|
4857 |
return function(textNode, checkParentElement) {
|
|
|
4858 |
var el = textNode.parentNode;
|
|
|
4859 |
var adjacentNode = textNode[siblingPropName];
|
|
|
4860 |
if (adjacentNode) {
|
|
|
4861 |
// Can merge if the node's previous/next sibling is a text node
|
|
|
4862 |
if (adjacentNode && adjacentNode.nodeType == 3) {
|
|
|
4863 |
return adjacentNode;
|
|
|
4864 |
}
|
|
|
4865 |
} else if (checkParentElement) {
|
|
|
4866 |
// Compare text node parent element with its sibling
|
|
|
4867 |
adjacentNode = el[siblingPropName];
|
|
|
4868 |
if (adjacentNode && adjacentNode.nodeType == 1 && areElementsMergeable(el, adjacentNode)) {
|
|
|
4869 |
var adjacentNodeChild = adjacentNode[forward ? "firstChild" : "lastChild"];
|
|
|
4870 |
if (adjacentNodeChild && adjacentNodeChild.nodeType == 3) {
|
|
|
4871 |
return adjacentNodeChild;
|
|
|
4872 |
}
|
|
|
4873 |
}
|
|
|
4874 |
}
|
|
|
4875 |
return null;
|
|
|
4876 |
};
|
|
|
4877 |
}
|
|
|
4878 |
|
|
|
4879 |
var getPreviousMergeableTextNode = createAdjacentMergeableTextNodeGetter(false),
|
|
|
4880 |
getNextMergeableTextNode = createAdjacentMergeableTextNodeGetter(true);
|
|
|
4881 |
|
|
|
4882 |
|
|
|
4883 |
function Merge(firstNode) {
|
|
|
4884 |
this.isElementMerge = (firstNode.nodeType == 1);
|
|
|
4885 |
this.textNodes = [];
|
|
|
4886 |
var firstTextNode = this.isElementMerge ? firstNode.lastChild : firstNode;
|
|
|
4887 |
if (firstTextNode) {
|
|
|
4888 |
this.textNodes[0] = firstTextNode;
|
|
|
4889 |
}
|
|
|
4890 |
}
|
|
|
4891 |
|
|
|
4892 |
Merge.prototype = {
|
|
|
4893 |
doMerge: function(positionsToPreserve) {
|
|
|
4894 |
var textNodes = this.textNodes;
|
|
|
4895 |
var firstTextNode = textNodes[0];
|
|
|
4896 |
if (textNodes.length > 1) {
|
|
|
4897 |
var firstTextNodeIndex = dom.getNodeIndex(firstTextNode);
|
|
|
4898 |
var textParts = [], combinedTextLength = 0, textNode, parent;
|
|
|
4899 |
forEach(textNodes, function(textNode, i) {
|
|
|
4900 |
parent = textNode.parentNode;
|
|
|
4901 |
if (i > 0) {
|
|
|
4902 |
parent.removeChild(textNode);
|
|
|
4903 |
if (!parent.hasChildNodes()) {
|
|
|
4904 |
dom.removeNode(parent);
|
|
|
4905 |
}
|
|
|
4906 |
if (positionsToPreserve) {
|
|
|
4907 |
forEach(positionsToPreserve, function(position) {
|
|
|
4908 |
// Handle case where position is inside the text node being merged into a preceding node
|
|
|
4909 |
if (position.node == textNode) {
|
|
|
4910 |
position.node = firstTextNode;
|
|
|
4911 |
position.offset += combinedTextLength;
|
|
|
4912 |
}
|
|
|
4913 |
// Handle case where both text nodes precede the position within the same parent node
|
|
|
4914 |
if (position.node == parent && position.offset > firstTextNodeIndex) {
|
|
|
4915 |
--position.offset;
|
|
|
4916 |
if (position.offset == firstTextNodeIndex + 1 && i < textNodes.length - 1) {
|
|
|
4917 |
position.node = firstTextNode;
|
|
|
4918 |
position.offset = combinedTextLength;
|
|
|
4919 |
}
|
|
|
4920 |
}
|
|
|
4921 |
});
|
|
|
4922 |
}
|
|
|
4923 |
}
|
|
|
4924 |
textParts[i] = textNode.data;
|
|
|
4925 |
combinedTextLength += textNode.data.length;
|
|
|
4926 |
});
|
|
|
4927 |
firstTextNode.data = textParts.join("");
|
|
|
4928 |
}
|
|
|
4929 |
return firstTextNode.data;
|
|
|
4930 |
},
|
|
|
4931 |
|
|
|
4932 |
getLength: function() {
|
|
|
4933 |
var i = this.textNodes.length, len = 0;
|
|
|
4934 |
while (i--) {
|
|
|
4935 |
len += this.textNodes[i].length;
|
|
|
4936 |
}
|
|
|
4937 |
return len;
|
|
|
4938 |
},
|
|
|
4939 |
|
|
|
4940 |
toString: function() {
|
|
|
4941 |
var textParts = [];
|
|
|
4942 |
forEach(this.textNodes, function(textNode, i) {
|
|
|
4943 |
textParts[i] = "'" + textNode.data + "'";
|
|
|
4944 |
});
|
|
|
4945 |
return "[Merge(" + textParts.join(",") + ")]";
|
|
|
4946 |
}
|
|
|
4947 |
};
|
|
|
4948 |
|
|
|
4949 |
var optionProperties = ["elementTagName", "ignoreWhiteSpace", "applyToEditableOnly", "useExistingElements",
|
|
|
4950 |
"removeEmptyElements", "onElementCreate"];
|
|
|
4951 |
|
|
|
4952 |
// TODO: Populate this with every attribute name that corresponds to a property with a different name. Really??
|
|
|
4953 |
var attrNamesForProperties = {};
|
|
|
4954 |
|
|
|
4955 |
function ClassApplier(className, options, tagNames) {
|
|
|
4956 |
var normalize, i, len, propName, applier = this;
|
|
|
4957 |
applier.cssClass = applier.className = className; // cssClass property is for backward compatibility
|
|
|
4958 |
|
|
|
4959 |
var elementPropertiesFromOptions = null, elementAttributes = {};
|
|
|
4960 |
|
|
|
4961 |
// Initialize from options object
|
|
|
4962 |
if (typeof options == "object" && options !== null) {
|
|
|
4963 |
if (typeof options.elementTagName !== "undefined") {
|
|
|
4964 |
options.elementTagName = options.elementTagName.toLowerCase();
|
|
|
4965 |
}
|
|
|
4966 |
tagNames = options.tagNames;
|
|
|
4967 |
elementPropertiesFromOptions = options.elementProperties;
|
|
|
4968 |
elementAttributes = options.elementAttributes;
|
|
|
4969 |
|
|
|
4970 |
for (i = 0; propName = optionProperties[i++]; ) {
|
|
|
4971 |
if (options.hasOwnProperty(propName)) {
|
|
|
4972 |
applier[propName] = options[propName];
|
|
|
4973 |
}
|
|
|
4974 |
}
|
|
|
4975 |
normalize = options.normalize;
|
|
|
4976 |
} else {
|
|
|
4977 |
normalize = options;
|
|
|
4978 |
}
|
|
|
4979 |
|
|
|
4980 |
// Backward compatibility: the second parameter can also be a Boolean indicating to normalize after unapplying
|
|
|
4981 |
applier.normalize = (typeof normalize == "undefined") ? true : normalize;
|
|
|
4982 |
|
|
|
4983 |
// Initialize element properties and attribute exceptions
|
|
|
4984 |
applier.attrExceptions = [];
|
|
|
4985 |
var el = document.createElement(applier.elementTagName);
|
|
|
4986 |
applier.elementProperties = applier.copyPropertiesToElement(elementPropertiesFromOptions, el, true);
|
|
|
4987 |
each(elementAttributes, function(attrName, attrValue) {
|
|
|
4988 |
applier.attrExceptions.push(attrName);
|
|
|
4989 |
// Ensure each attribute value is a string
|
|
|
4990 |
elementAttributes[attrName] = "" + attrValue;
|
|
|
4991 |
});
|
|
|
4992 |
applier.elementAttributes = elementAttributes;
|
|
|
4993 |
|
|
|
4994 |
applier.elementSortedClassName = applier.elementProperties.hasOwnProperty("className") ?
|
|
|
4995 |
sortClassName(applier.elementProperties.className + " " + className) : className;
|
|
|
4996 |
|
|
|
4997 |
// Initialize tag names
|
|
|
4998 |
applier.applyToAnyTagName = false;
|
|
|
4999 |
var type = typeof tagNames;
|
|
|
5000 |
if (type == "string") {
|
|
|
5001 |
if (tagNames == "*") {
|
|
|
5002 |
applier.applyToAnyTagName = true;
|
|
|
5003 |
} else {
|
|
|
5004 |
applier.tagNames = trim(tagNames.toLowerCase()).split(/\s*,\s*/);
|
|
|
5005 |
}
|
|
|
5006 |
} else if (type == "object" && typeof tagNames.length == "number") {
|
|
|
5007 |
applier.tagNames = [];
|
|
|
5008 |
for (i = 0, len = tagNames.length; i < len; ++i) {
|
|
|
5009 |
if (tagNames[i] == "*") {
|
|
|
5010 |
applier.applyToAnyTagName = true;
|
|
|
5011 |
} else {
|
|
|
5012 |
applier.tagNames.push(tagNames[i].toLowerCase());
|
|
|
5013 |
}
|
|
|
5014 |
}
|
|
|
5015 |
} else {
|
|
|
5016 |
applier.tagNames = [applier.elementTagName];
|
|
|
5017 |
}
|
|
|
5018 |
}
|
|
|
5019 |
|
|
|
5020 |
ClassApplier.prototype = {
|
|
|
5021 |
elementTagName: defaultTagName,
|
|
|
5022 |
elementProperties: {},
|
|
|
5023 |
elementAttributes: {},
|
|
|
5024 |
ignoreWhiteSpace: true,
|
|
|
5025 |
applyToEditableOnly: false,
|
|
|
5026 |
useExistingElements: true,
|
|
|
5027 |
removeEmptyElements: true,
|
|
|
5028 |
onElementCreate: null,
|
|
|
5029 |
|
|
|
5030 |
copyPropertiesToElement: function(props, el, createCopy) {
|
|
|
5031 |
var s, elStyle, elProps = {}, elPropsStyle, propValue, elPropValue, attrName;
|
|
|
5032 |
|
|
|
5033 |
for (var p in props) {
|
|
|
5034 |
if (props.hasOwnProperty(p)) {
|
|
|
5035 |
propValue = props[p];
|
|
|
5036 |
elPropValue = el[p];
|
|
|
5037 |
|
|
|
5038 |
// Special case for class. The copied properties object has the applier's class as well as its own
|
|
|
5039 |
// to simplify checks when removing styling elements
|
|
|
5040 |
if (p == "className") {
|
|
|
5041 |
addClass(el, propValue);
|
|
|
5042 |
addClass(el, this.className);
|
|
|
5043 |
el[p] = sortClassName(el[p]);
|
|
|
5044 |
if (createCopy) {
|
|
|
5045 |
elProps[p] = propValue;
|
|
|
5046 |
}
|
|
|
5047 |
}
|
|
|
5048 |
|
|
|
5049 |
// Special case for style
|
|
|
5050 |
else if (p == "style") {
|
|
|
5051 |
elStyle = elPropValue;
|
|
|
5052 |
if (createCopy) {
|
|
|
5053 |
elProps[p] = elPropsStyle = {};
|
|
|
5054 |
}
|
|
|
5055 |
for (s in props[p]) {
|
|
|
5056 |
if (props[p].hasOwnProperty(s)) {
|
|
|
5057 |
elStyle[s] = propValue[s];
|
|
|
5058 |
if (createCopy) {
|
|
|
5059 |
elPropsStyle[s] = elStyle[s];
|
|
|
5060 |
}
|
|
|
5061 |
}
|
|
|
5062 |
}
|
|
|
5063 |
this.attrExceptions.push(p);
|
|
|
5064 |
} else {
|
|
|
5065 |
el[p] = propValue;
|
|
|
5066 |
// Copy the property back from the dummy element so that later comparisons to check whether
|
|
|
5067 |
// elements may be removed are checking against the right value. For example, the href property
|
|
|
5068 |
// of an element returns a fully qualified URL even if it was previously assigned a relative
|
|
|
5069 |
// URL.
|
|
|
5070 |
if (createCopy) {
|
|
|
5071 |
elProps[p] = el[p];
|
|
|
5072 |
|
|
|
5073 |
// Not all properties map to identically-named attributes
|
|
|
5074 |
attrName = attrNamesForProperties.hasOwnProperty(p) ? attrNamesForProperties[p] : p;
|
|
|
5075 |
this.attrExceptions.push(attrName);
|
|
|
5076 |
}
|
|
|
5077 |
}
|
|
|
5078 |
}
|
|
|
5079 |
}
|
|
|
5080 |
|
|
|
5081 |
return createCopy ? elProps : "";
|
|
|
5082 |
},
|
|
|
5083 |
|
|
|
5084 |
copyAttributesToElement: function(attrs, el) {
|
|
|
5085 |
for (var attrName in attrs) {
|
|
|
5086 |
if (attrs.hasOwnProperty(attrName) && !/^class(?:Name)?$/i.test(attrName)) {
|
|
|
5087 |
el.setAttribute(attrName, attrs[attrName]);
|
|
|
5088 |
}
|
|
|
5089 |
}
|
|
|
5090 |
},
|
|
|
5091 |
|
|
|
5092 |
appliesToElement: function(el) {
|
|
|
5093 |
return contains(this.tagNames, el.tagName.toLowerCase());
|
|
|
5094 |
},
|
|
|
5095 |
|
|
|
5096 |
getEmptyElements: function(range) {
|
|
|
5097 |
var applier = this;
|
|
|
5098 |
return range.getNodes([1], function(el) {
|
|
|
5099 |
return applier.appliesToElement(el) && !el.hasChildNodes();
|
|
|
5100 |
});
|
|
|
5101 |
},
|
|
|
5102 |
|
|
|
5103 |
hasClass: function(node) {
|
|
|
5104 |
return node.nodeType == 1 &&
|
|
|
5105 |
(this.applyToAnyTagName || this.appliesToElement(node)) &&
|
|
|
5106 |
hasClass(node, this.className);
|
|
|
5107 |
},
|
|
|
5108 |
|
|
|
5109 |
getSelfOrAncestorWithClass: function(node) {
|
|
|
5110 |
while (node) {
|
|
|
5111 |
if (this.hasClass(node)) {
|
|
|
5112 |
return node;
|
|
|
5113 |
}
|
|
|
5114 |
node = node.parentNode;
|
|
|
5115 |
}
|
|
|
5116 |
return null;
|
|
|
5117 |
},
|
|
|
5118 |
|
|
|
5119 |
isModifiable: function(node) {
|
|
|
5120 |
return !this.applyToEditableOnly || isEditable(node);
|
|
|
5121 |
},
|
|
|
5122 |
|
|
|
5123 |
// White space adjacent to an unwrappable node can be ignored for wrapping
|
|
|
5124 |
isIgnorableWhiteSpaceNode: function(node) {
|
|
|
5125 |
return this.ignoreWhiteSpace && node && node.nodeType == 3 && isUnrenderedWhiteSpaceNode(node);
|
|
|
5126 |
},
|
|
|
5127 |
|
|
|
5128 |
// Normalizes nodes after applying a class to a Range.
|
|
|
5129 |
postApply: function(textNodes, range, positionsToPreserve, isUndo) {
|
|
|
5130 |
var firstNode = textNodes[0], lastNode = textNodes[textNodes.length - 1];
|
|
|
5131 |
var merges = [], currentMerge;
|
|
|
5132 |
var rangeStartNode = firstNode, rangeEndNode = lastNode;
|
|
|
5133 |
var rangeStartOffset = 0, rangeEndOffset = lastNode.length;
|
|
|
5134 |
var precedingTextNode;
|
|
|
5135 |
|
|
|
5136 |
// Check for every required merge and create a Merge object for each
|
|
|
5137 |
forEach(textNodes, function(textNode) {
|
|
|
5138 |
precedingTextNode = getPreviousMergeableTextNode(textNode, !isUndo);
|
|
|
5139 |
if (precedingTextNode) {
|
|
|
5140 |
if (!currentMerge) {
|
|
|
5141 |
currentMerge = new Merge(precedingTextNode);
|
|
|
5142 |
merges.push(currentMerge);
|
|
|
5143 |
}
|
|
|
5144 |
currentMerge.textNodes.push(textNode);
|
|
|
5145 |
if (textNode === firstNode) {
|
|
|
5146 |
rangeStartNode = currentMerge.textNodes[0];
|
|
|
5147 |
rangeStartOffset = rangeStartNode.length;
|
|
|
5148 |
}
|
|
|
5149 |
if (textNode === lastNode) {
|
|
|
5150 |
rangeEndNode = currentMerge.textNodes[0];
|
|
|
5151 |
rangeEndOffset = currentMerge.getLength();
|
|
|
5152 |
}
|
|
|
5153 |
} else {
|
|
|
5154 |
currentMerge = null;
|
|
|
5155 |
}
|
|
|
5156 |
});
|
|
|
5157 |
|
|
|
5158 |
// Test whether the first node after the range needs merging
|
|
|
5159 |
var nextTextNode = getNextMergeableTextNode(lastNode, !isUndo);
|
|
|
5160 |
|
|
|
5161 |
if (nextTextNode) {
|
|
|
5162 |
if (!currentMerge) {
|
|
|
5163 |
currentMerge = new Merge(lastNode);
|
|
|
5164 |
merges.push(currentMerge);
|
|
|
5165 |
}
|
|
|
5166 |
currentMerge.textNodes.push(nextTextNode);
|
|
|
5167 |
}
|
|
|
5168 |
|
|
|
5169 |
// Apply the merges
|
|
|
5170 |
if (merges.length) {
|
|
|
5171 |
for (var i = 0, len = merges.length; i < len; ++i) {
|
|
|
5172 |
merges[i].doMerge(positionsToPreserve);
|
|
|
5173 |
}
|
|
|
5174 |
|
|
|
5175 |
// Set the range boundaries
|
|
|
5176 |
range.setStartAndEnd(rangeStartNode, rangeStartOffset, rangeEndNode, rangeEndOffset);
|
|
|
5177 |
}
|
|
|
5178 |
},
|
|
|
5179 |
|
|
|
5180 |
createContainer: function(parentNode) {
|
|
|
5181 |
var doc = dom.getDocument(parentNode);
|
|
|
5182 |
var namespace;
|
|
|
5183 |
var el = createElementNSSupported && !dom.isHtmlNamespace(parentNode) && (namespace = parentNode.namespaceURI) ?
|
|
|
5184 |
doc.createElementNS(parentNode.namespaceURI, this.elementTagName) :
|
|
|
5185 |
doc.createElement(this.elementTagName);
|
|
|
5186 |
|
|
|
5187 |
this.copyPropertiesToElement(this.elementProperties, el, false);
|
|
|
5188 |
this.copyAttributesToElement(this.elementAttributes, el);
|
|
|
5189 |
addClass(el, this.className);
|
|
|
5190 |
if (this.onElementCreate) {
|
|
|
5191 |
this.onElementCreate(el, this);
|
|
|
5192 |
}
|
|
|
5193 |
return el;
|
|
|
5194 |
},
|
|
|
5195 |
|
|
|
5196 |
elementHasProperties: function(el, props) {
|
|
|
5197 |
var applier = this;
|
|
|
5198 |
return each(props, function(p, propValue) {
|
|
|
5199 |
if (p == "className") {
|
|
|
5200 |
// For checking whether we should reuse an existing element, we just want to check that the element
|
|
|
5201 |
// has all the classes specified in the className property. When deciding whether the element is
|
|
|
5202 |
// removable when unapplying a class, there is separate special handling to check whether the
|
|
|
5203 |
// element has extra classes so the same simple check will do.
|
|
|
5204 |
return hasAllClasses(el, propValue);
|
|
|
5205 |
} else if (typeof propValue == "object") {
|
|
|
5206 |
if (!applier.elementHasProperties(el[p], propValue)) {
|
|
|
5207 |
return false;
|
|
|
5208 |
}
|
|
|
5209 |
} else if (el[p] !== propValue) {
|
|
|
5210 |
return false;
|
|
|
5211 |
}
|
|
|
5212 |
});
|
|
|
5213 |
},
|
|
|
5214 |
|
|
|
5215 |
elementHasAttributes: function(el, attrs) {
|
|
|
5216 |
return each(attrs, function(name, value) {
|
|
|
5217 |
if (el.getAttribute(name) !== value) {
|
|
|
5218 |
return false;
|
|
|
5219 |
}
|
|
|
5220 |
});
|
|
|
5221 |
},
|
|
|
5222 |
|
|
|
5223 |
applyToTextNode: function(textNode, positionsToPreserve) {
|
|
|
5224 |
|
|
|
5225 |
// Check whether the text node can be styled. Text within a <style> or <script> element, for example,
|
|
|
5226 |
// should not be styled. See issue 283.
|
|
|
5227 |
if (canTextBeStyled(textNode)) {
|
|
|
5228 |
var parent = textNode.parentNode;
|
|
|
5229 |
if (parent.childNodes.length == 1 &&
|
|
|
5230 |
this.useExistingElements &&
|
|
|
5231 |
this.appliesToElement(parent) &&
|
|
|
5232 |
this.elementHasProperties(parent, this.elementProperties) &&
|
|
|
5233 |
this.elementHasAttributes(parent, this.elementAttributes)) {
|
|
|
5234 |
|
|
|
5235 |
addClass(parent, this.className);
|
|
|
5236 |
} else {
|
|
|
5237 |
var textNodeParent = textNode.parentNode;
|
|
|
5238 |
var el = this.createContainer(textNodeParent);
|
|
|
5239 |
textNodeParent.insertBefore(el, textNode);
|
|
|
5240 |
el.appendChild(textNode);
|
|
|
5241 |
}
|
|
|
5242 |
}
|
|
|
5243 |
|
|
|
5244 |
},
|
|
|
5245 |
|
|
|
5246 |
isRemovable: function(el) {
|
|
|
5247 |
return el.tagName.toLowerCase() == this.elementTagName &&
|
|
|
5248 |
getSortedClassName(el) == this.elementSortedClassName &&
|
|
|
5249 |
this.elementHasProperties(el, this.elementProperties) &&
|
|
|
5250 |
!elementHasNonClassAttributes(el, this.attrExceptions) &&
|
|
|
5251 |
this.elementHasAttributes(el, this.elementAttributes) &&
|
|
|
5252 |
this.isModifiable(el);
|
|
|
5253 |
},
|
|
|
5254 |
|
|
|
5255 |
isEmptyContainer: function(el) {
|
|
|
5256 |
var childNodeCount = el.childNodes.length;
|
|
|
5257 |
return el.nodeType == 1 &&
|
|
|
5258 |
this.isRemovable(el) &&
|
|
|
5259 |
(childNodeCount == 0 || (childNodeCount == 1 && this.isEmptyContainer(el.firstChild)));
|
|
|
5260 |
},
|
|
|
5261 |
|
|
|
5262 |
removeEmptyContainers: function(range) {
|
|
|
5263 |
var applier = this;
|
|
|
5264 |
var nodesToRemove = range.getNodes([1], function(el) {
|
|
|
5265 |
return applier.isEmptyContainer(el);
|
|
|
5266 |
});
|
|
|
5267 |
|
|
|
5268 |
var rangesToPreserve = [range];
|
|
|
5269 |
var positionsToPreserve = getRangeBoundaries(rangesToPreserve);
|
|
|
5270 |
|
|
|
5271 |
forEach(nodesToRemove, function(node) {
|
|
|
5272 |
removePreservingPositions(node, positionsToPreserve);
|
|
|
5273 |
});
|
|
|
5274 |
|
|
|
5275 |
// Update the range from the preserved boundary positions
|
|
|
5276 |
updateRangesFromBoundaries(rangesToPreserve, positionsToPreserve);
|
|
|
5277 |
},
|
|
|
5278 |
|
|
|
5279 |
undoToTextNode: function(textNode, range, ancestorWithClass, positionsToPreserve) {
|
|
|
5280 |
if (!range.containsNode(ancestorWithClass)) {
|
|
|
5281 |
// Split out the portion of the ancestor from which we can remove the class
|
|
|
5282 |
//var parent = ancestorWithClass.parentNode, index = dom.getNodeIndex(ancestorWithClass);
|
|
|
5283 |
var ancestorRange = range.cloneRange();
|
|
|
5284 |
ancestorRange.selectNode(ancestorWithClass);
|
|
|
5285 |
if (ancestorRange.isPointInRange(range.endContainer, range.endOffset)) {
|
|
|
5286 |
splitNodeAt(ancestorWithClass, range.endContainer, range.endOffset, positionsToPreserve);
|
|
|
5287 |
range.setEndAfter(ancestorWithClass);
|
|
|
5288 |
}
|
|
|
5289 |
if (ancestorRange.isPointInRange(range.startContainer, range.startOffset)) {
|
|
|
5290 |
ancestorWithClass = splitNodeAt(ancestorWithClass, range.startContainer, range.startOffset, positionsToPreserve);
|
|
|
5291 |
}
|
|
|
5292 |
}
|
|
|
5293 |
|
|
|
5294 |
if (this.isRemovable(ancestorWithClass)) {
|
|
|
5295 |
replaceWithOwnChildrenPreservingPositions(ancestorWithClass, positionsToPreserve);
|
|
|
5296 |
} else {
|
|
|
5297 |
removeClass(ancestorWithClass, this.className);
|
|
|
5298 |
}
|
|
|
5299 |
},
|
|
|
5300 |
|
|
|
5301 |
splitAncestorWithClass: function(container, offset, positionsToPreserve) {
|
|
|
5302 |
var ancestorWithClass = this.getSelfOrAncestorWithClass(container);
|
|
|
5303 |
if (ancestorWithClass) {
|
|
|
5304 |
splitNodeAt(ancestorWithClass, container, offset, positionsToPreserve);
|
|
|
5305 |
}
|
|
|
5306 |
},
|
|
|
5307 |
|
|
|
5308 |
undoToAncestor: function(ancestorWithClass, positionsToPreserve) {
|
|
|
5309 |
if (this.isRemovable(ancestorWithClass)) {
|
|
|
5310 |
replaceWithOwnChildrenPreservingPositions(ancestorWithClass, positionsToPreserve);
|
|
|
5311 |
} else {
|
|
|
5312 |
removeClass(ancestorWithClass, this.className);
|
|
|
5313 |
}
|
|
|
5314 |
},
|
|
|
5315 |
|
|
|
5316 |
applyToRange: function(range, rangesToPreserve) {
|
|
|
5317 |
var applier = this;
|
|
|
5318 |
rangesToPreserve = rangesToPreserve || [];
|
|
|
5319 |
|
|
|
5320 |
// Create an array of range boundaries to preserve
|
|
|
5321 |
var positionsToPreserve = getRangeBoundaries(rangesToPreserve || []);
|
|
|
5322 |
|
|
|
5323 |
range.splitBoundariesPreservingPositions(positionsToPreserve);
|
|
|
5324 |
|
|
|
5325 |
// Tidy up the DOM by removing empty containers
|
|
|
5326 |
if (applier.removeEmptyElements) {
|
|
|
5327 |
applier.removeEmptyContainers(range);
|
|
|
5328 |
}
|
|
|
5329 |
|
|
|
5330 |
var textNodes = getEffectiveTextNodes(range);
|
|
|
5331 |
|
|
|
5332 |
if (textNodes.length) {
|
|
|
5333 |
forEach(textNodes, function(textNode) {
|
|
|
5334 |
if (!applier.isIgnorableWhiteSpaceNode(textNode) && !applier.getSelfOrAncestorWithClass(textNode) &&
|
|
|
5335 |
applier.isModifiable(textNode)) {
|
|
|
5336 |
applier.applyToTextNode(textNode, positionsToPreserve);
|
|
|
5337 |
}
|
|
|
5338 |
});
|
|
|
5339 |
var lastTextNode = textNodes[textNodes.length - 1];
|
|
|
5340 |
range.setStartAndEnd(textNodes[0], 0, lastTextNode, lastTextNode.length);
|
|
|
5341 |
if (applier.normalize) {
|
|
|
5342 |
applier.postApply(textNodes, range, positionsToPreserve, false);
|
|
|
5343 |
}
|
|
|
5344 |
|
|
|
5345 |
// Update the ranges from the preserved boundary positions
|
|
|
5346 |
updateRangesFromBoundaries(rangesToPreserve, positionsToPreserve);
|
|
|
5347 |
}
|
|
|
5348 |
|
|
|
5349 |
// Apply classes to any appropriate empty elements
|
|
|
5350 |
var emptyElements = applier.getEmptyElements(range);
|
|
|
5351 |
|
|
|
5352 |
forEach(emptyElements, function(el) {
|
|
|
5353 |
addClass(el, applier.className);
|
|
|
5354 |
});
|
|
|
5355 |
},
|
|
|
5356 |
|
|
|
5357 |
applyToRanges: function(ranges) {
|
|
|
5358 |
|
|
|
5359 |
var i = ranges.length;
|
|
|
5360 |
while (i--) {
|
|
|
5361 |
this.applyToRange(ranges[i], ranges);
|
|
|
5362 |
}
|
|
|
5363 |
|
|
|
5364 |
|
|
|
5365 |
return ranges;
|
|
|
5366 |
},
|
|
|
5367 |
|
|
|
5368 |
applyToSelection: function(win) {
|
|
|
5369 |
var sel = api.getSelection(win);
|
|
|
5370 |
sel.setRanges( this.applyToRanges(sel.getAllRanges()) );
|
|
|
5371 |
},
|
|
|
5372 |
|
|
|
5373 |
undoToRange: function(range, rangesToPreserve) {
|
|
|
5374 |
var applier = this;
|
|
|
5375 |
// Create an array of range boundaries to preserve
|
|
|
5376 |
rangesToPreserve = rangesToPreserve || [];
|
|
|
5377 |
var positionsToPreserve = getRangeBoundaries(rangesToPreserve);
|
|
|
5378 |
|
|
|
5379 |
|
|
|
5380 |
range.splitBoundariesPreservingPositions(positionsToPreserve);
|
|
|
5381 |
|
|
|
5382 |
// Tidy up the DOM by removing empty containers
|
|
|
5383 |
if (applier.removeEmptyElements) {
|
|
|
5384 |
applier.removeEmptyContainers(range, positionsToPreserve);
|
|
|
5385 |
}
|
|
|
5386 |
|
|
|
5387 |
var textNodes = getEffectiveTextNodes(range);
|
|
|
5388 |
var textNode, ancestorWithClass;
|
|
|
5389 |
var lastTextNode = textNodes[textNodes.length - 1];
|
|
|
5390 |
|
|
|
5391 |
if (textNodes.length) {
|
|
|
5392 |
applier.splitAncestorWithClass(range.endContainer, range.endOffset, positionsToPreserve);
|
|
|
5393 |
applier.splitAncestorWithClass(range.startContainer, range.startOffset, positionsToPreserve);
|
|
|
5394 |
for (var i = 0, len = textNodes.length; i < len; ++i) {
|
|
|
5395 |
textNode = textNodes[i];
|
|
|
5396 |
ancestorWithClass = applier.getSelfOrAncestorWithClass(textNode);
|
|
|
5397 |
if (ancestorWithClass && applier.isModifiable(textNode)) {
|
|
|
5398 |
applier.undoToAncestor(ancestorWithClass, positionsToPreserve);
|
|
|
5399 |
}
|
|
|
5400 |
}
|
|
|
5401 |
// Ensure the range is still valid
|
|
|
5402 |
range.setStartAndEnd(textNodes[0], 0, lastTextNode, lastTextNode.length);
|
|
|
5403 |
|
|
|
5404 |
|
|
|
5405 |
if (applier.normalize) {
|
|
|
5406 |
applier.postApply(textNodes, range, positionsToPreserve, true);
|
|
|
5407 |
}
|
|
|
5408 |
|
|
|
5409 |
// Update the ranges from the preserved boundary positions
|
|
|
5410 |
updateRangesFromBoundaries(rangesToPreserve, positionsToPreserve);
|
|
|
5411 |
}
|
|
|
5412 |
|
|
|
5413 |
// Remove class from any appropriate empty elements
|
|
|
5414 |
var emptyElements = applier.getEmptyElements(range);
|
|
|
5415 |
|
|
|
5416 |
forEach(emptyElements, function(el) {
|
|
|
5417 |
removeClass(el, applier.className);
|
|
|
5418 |
});
|
|
|
5419 |
},
|
|
|
5420 |
|
|
|
5421 |
undoToRanges: function(ranges) {
|
|
|
5422 |
// Get ranges returned in document order
|
|
|
5423 |
var i = ranges.length;
|
|
|
5424 |
|
|
|
5425 |
while (i--) {
|
|
|
5426 |
this.undoToRange(ranges[i], ranges);
|
|
|
5427 |
}
|
|
|
5428 |
|
|
|
5429 |
return ranges;
|
|
|
5430 |
},
|
|
|
5431 |
|
|
|
5432 |
undoToSelection: function(win) {
|
|
|
5433 |
var sel = api.getSelection(win);
|
|
|
5434 |
var ranges = api.getSelection(win).getAllRanges();
|
|
|
5435 |
this.undoToRanges(ranges);
|
|
|
5436 |
sel.setRanges(ranges);
|
|
|
5437 |
},
|
|
|
5438 |
|
|
|
5439 |
isAppliedToRange: function(range) {
|
|
|
5440 |
if (range.collapsed || range.toString() == "") {
|
|
|
5441 |
return !!this.getSelfOrAncestorWithClass(range.commonAncestorContainer);
|
|
|
5442 |
} else {
|
|
|
5443 |
var textNodes = range.getNodes( [3] );
|
|
|
5444 |
if (textNodes.length)
|
|
|
5445 |
for (var i = 0, textNode; textNode = textNodes[i++]; ) {
|
|
|
5446 |
if (!this.isIgnorableWhiteSpaceNode(textNode) && rangeSelectsAnyText(range, textNode) &&
|
|
|
5447 |
this.isModifiable(textNode) && !this.getSelfOrAncestorWithClass(textNode)) {
|
|
|
5448 |
return false;
|
|
|
5449 |
}
|
|
|
5450 |
}
|
|
|
5451 |
return true;
|
|
|
5452 |
}
|
|
|
5453 |
},
|
|
|
5454 |
|
|
|
5455 |
isAppliedToRanges: function(ranges) {
|
|
|
5456 |
var i = ranges.length;
|
|
|
5457 |
if (i == 0) {
|
|
|
5458 |
return false;
|
|
|
5459 |
}
|
|
|
5460 |
while (i--) {
|
|
|
5461 |
if (!this.isAppliedToRange(ranges[i])) {
|
|
|
5462 |
return false;
|
|
|
5463 |
}
|
|
|
5464 |
}
|
|
|
5465 |
return true;
|
|
|
5466 |
},
|
|
|
5467 |
|
|
|
5468 |
isAppliedToSelection: function(win) {
|
|
|
5469 |
var sel = api.getSelection(win);
|
|
|
5470 |
return this.isAppliedToRanges(sel.getAllRanges());
|
|
|
5471 |
},
|
|
|
5472 |
|
|
|
5473 |
toggleRange: function(range) {
|
|
|
5474 |
if (this.isAppliedToRange(range)) {
|
|
|
5475 |
this.undoToRange(range);
|
|
|
5476 |
} else {
|
|
|
5477 |
this.applyToRange(range);
|
|
|
5478 |
}
|
|
|
5479 |
},
|
|
|
5480 |
|
|
|
5481 |
toggleSelection: function(win) {
|
|
|
5482 |
if (this.isAppliedToSelection(win)) {
|
|
|
5483 |
this.undoToSelection(win);
|
|
|
5484 |
} else {
|
|
|
5485 |
this.applyToSelection(win);
|
|
|
5486 |
}
|
|
|
5487 |
},
|
|
|
5488 |
|
|
|
5489 |
getElementsWithClassIntersectingRange: function(range) {
|
|
|
5490 |
var elements = [];
|
|
|
5491 |
var applier = this;
|
|
|
5492 |
range.getNodes([3], function(textNode) {
|
|
|
5493 |
var el = applier.getSelfOrAncestorWithClass(textNode);
|
|
|
5494 |
if (el && !contains(elements, el)) {
|
|
|
5495 |
elements.push(el);
|
|
|
5496 |
}
|
|
|
5497 |
});
|
|
|
5498 |
return elements;
|
|
|
5499 |
},
|
|
|
5500 |
|
|
|
5501 |
detach: function() {}
|
|
|
5502 |
};
|
|
|
5503 |
|
|
|
5504 |
function createClassApplier(className, options, tagNames) {
|
|
|
5505 |
return new ClassApplier(className, options, tagNames);
|
|
|
5506 |
}
|
|
|
5507 |
|
|
|
5508 |
ClassApplier.util = {
|
|
|
5509 |
hasClass: hasClass,
|
|
|
5510 |
addClass: addClass,
|
|
|
5511 |
removeClass: removeClass,
|
|
|
5512 |
getClass: getClass,
|
|
|
5513 |
hasSameClasses: haveSameClasses,
|
|
|
5514 |
hasAllClasses: hasAllClasses,
|
|
|
5515 |
replaceWithOwnChildren: replaceWithOwnChildrenPreservingPositions,
|
|
|
5516 |
elementsHaveSameNonClassAttributes: elementsHaveSameNonClassAttributes,
|
|
|
5517 |
elementHasNonClassAttributes: elementHasNonClassAttributes,
|
|
|
5518 |
splitNodeAt: splitNodeAt,
|
|
|
5519 |
isEditableElement: isEditableElement,
|
|
|
5520 |
isEditingHost: isEditingHost,
|
|
|
5521 |
isEditable: isEditable
|
|
|
5522 |
};
|
|
|
5523 |
|
|
|
5524 |
api.CssClassApplier = api.ClassApplier = ClassApplier;
|
|
|
5525 |
api.createClassApplier = createClassApplier;
|
|
|
5526 |
util.createAliasForDeprecatedMethod(api, "createCssClassApplier", "createClassApplier", module);
|
|
|
5527 |
});
|
|
|
5528 |
|
|
|
5529 |
return rangy;
|
|
|
5530 |
}, this);
|
|
|
5531 |
|
|
|
5532 |
/**
|
|
|
5533 |
* Highlighter module for Rangy, a cross-browser JavaScript range and selection library
|
|
|
5534 |
* https://github.com/timdown/rangy
|
|
|
5535 |
*
|
|
|
5536 |
* Depends on Rangy core, ClassApplier and optionally TextRange modules.
|
|
|
5537 |
*
|
|
|
5538 |
* Copyright 2022, Tim Down
|
|
|
5539 |
* Licensed under the MIT license.
|
|
|
5540 |
* Version: 1.3.1
|
|
|
5541 |
* Build date: 17 August 2022
|
|
|
5542 |
*/
|
|
|
5543 |
(function(factory, root) {
|
|
|
5544 |
// No AMD or CommonJS support so we use the rangy property of root (probably the global variable)
|
|
|
5545 |
factory(root.rangy);
|
|
|
5546 |
})(function(rangy) {
|
|
|
5547 |
rangy.createModule("Highlighter", ["ClassApplier"], function(api, module) {
|
|
|
5548 |
var dom = api.dom;
|
|
|
5549 |
var contains = dom.arrayContains;
|
|
|
5550 |
var getBody = dom.getBody;
|
|
|
5551 |
var createOptions = api.util.createOptions;
|
|
|
5552 |
var forEach = api.util.forEach;
|
|
|
5553 |
var nextHighlightId = 1;
|
|
|
5554 |
|
|
|
5555 |
// Puts highlights in order, last in document first.
|
|
|
5556 |
function compareHighlights(h1, h2) {
|
|
|
5557 |
return h1.characterRange.start - h2.characterRange.start;
|
|
|
5558 |
}
|
|
|
5559 |
|
|
|
5560 |
function getContainerElement(doc, id) {
|
|
|
5561 |
return id ? doc.getElementById(id) : getBody(doc);
|
|
|
5562 |
}
|
|
|
5563 |
|
|
|
5564 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
5565 |
|
|
|
5566 |
var highlighterTypes = {};
|
|
|
5567 |
|
|
|
5568 |
function HighlighterType(type, converterCreator) {
|
|
|
5569 |
this.type = type;
|
|
|
5570 |
this.converterCreator = converterCreator;
|
|
|
5571 |
}
|
|
|
5572 |
|
|
|
5573 |
HighlighterType.prototype.create = function() {
|
|
|
5574 |
var converter = this.converterCreator();
|
|
|
5575 |
converter.type = this.type;
|
|
|
5576 |
return converter;
|
|
|
5577 |
};
|
|
|
5578 |
|
|
|
5579 |
function registerHighlighterType(type, converterCreator) {
|
|
|
5580 |
highlighterTypes[type] = new HighlighterType(type, converterCreator);
|
|
|
5581 |
}
|
|
|
5582 |
|
|
|
5583 |
function getConverter(type) {
|
|
|
5584 |
var highlighterType = highlighterTypes[type];
|
|
|
5585 |
if (highlighterType instanceof HighlighterType) {
|
|
|
5586 |
return highlighterType.create();
|
|
|
5587 |
} else {
|
|
|
5588 |
throw new Error("Highlighter type '" + type + "' is not valid");
|
|
|
5589 |
}
|
|
|
5590 |
}
|
|
|
5591 |
|
|
|
5592 |
api.registerHighlighterType = registerHighlighterType;
|
|
|
5593 |
|
|
|
5594 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
5595 |
|
|
|
5596 |
function CharacterRange(start, end) {
|
|
|
5597 |
this.start = start;
|
|
|
5598 |
this.end = end;
|
|
|
5599 |
}
|
|
|
5600 |
|
|
|
5601 |
CharacterRange.prototype = {
|
|
|
5602 |
intersects: function(charRange) {
|
|
|
5603 |
return this.start < charRange.end && this.end > charRange.start;
|
|
|
5604 |
},
|
|
|
5605 |
|
|
|
5606 |
isContiguousWith: function(charRange) {
|
|
|
5607 |
return this.start == charRange.end || this.end == charRange.start;
|
|
|
5608 |
},
|
|
|
5609 |
|
|
|
5610 |
union: function(charRange) {
|
|
|
5611 |
return new CharacterRange(Math.min(this.start, charRange.start), Math.max(this.end, charRange.end));
|
|
|
5612 |
},
|
|
|
5613 |
|
|
|
5614 |
intersection: function(charRange) {
|
|
|
5615 |
return new CharacterRange(Math.max(this.start, charRange.start), Math.min(this.end, charRange.end));
|
|
|
5616 |
},
|
|
|
5617 |
|
|
|
5618 |
getComplements: function(charRange) {
|
|
|
5619 |
var ranges = [];
|
|
|
5620 |
if (this.start >= charRange.start) {
|
|
|
5621 |
if (this.end <= charRange.end) {
|
|
|
5622 |
return [];
|
|
|
5623 |
}
|
|
|
5624 |
ranges.push(new CharacterRange(charRange.end, this.end));
|
|
|
5625 |
} else {
|
|
|
5626 |
ranges.push(new CharacterRange(this.start, Math.min(this.end, charRange.start)));
|
|
|
5627 |
if (this.end > charRange.end) {
|
|
|
5628 |
ranges.push(new CharacterRange(charRange.end, this.end));
|
|
|
5629 |
}
|
|
|
5630 |
}
|
|
|
5631 |
return ranges;
|
|
|
5632 |
},
|
|
|
5633 |
|
|
|
5634 |
toString: function() {
|
|
|
5635 |
return "[CharacterRange(" + this.start + ", " + this.end + ")]";
|
|
|
5636 |
}
|
|
|
5637 |
};
|
|
|
5638 |
|
|
|
5639 |
CharacterRange.fromCharacterRange = function(charRange) {
|
|
|
5640 |
return new CharacterRange(charRange.start, charRange.end);
|
|
|
5641 |
};
|
|
|
5642 |
|
|
|
5643 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
5644 |
|
|
|
5645 |
var textContentConverter = {
|
|
|
5646 |
rangeToCharacterRange: function(range, containerNode) {
|
|
|
5647 |
var bookmark = range.getBookmark(containerNode);
|
|
|
5648 |
return new CharacterRange(bookmark.start, bookmark.end);
|
|
|
5649 |
},
|
|
|
5650 |
|
|
|
5651 |
characterRangeToRange: function(doc, characterRange, containerNode) {
|
|
|
5652 |
var range = api.createRange(doc);
|
|
|
5653 |
range.moveToBookmark({
|
|
|
5654 |
start: characterRange.start,
|
|
|
5655 |
end: characterRange.end,
|
|
|
5656 |
containerNode: containerNode
|
|
|
5657 |
});
|
|
|
5658 |
|
|
|
5659 |
return range;
|
|
|
5660 |
},
|
|
|
5661 |
|
|
|
5662 |
serializeSelection: function(selection, containerNode) {
|
|
|
5663 |
var ranges = selection.getAllRanges(), rangeCount = ranges.length;
|
|
|
5664 |
var rangeInfos = [];
|
|
|
5665 |
|
|
|
5666 |
var backward = rangeCount == 1 && selection.isBackward();
|
|
|
5667 |
|
|
|
5668 |
for (var i = 0, len = ranges.length; i < len; ++i) {
|
|
|
5669 |
rangeInfos[i] = {
|
|
|
5670 |
characterRange: this.rangeToCharacterRange(ranges[i], containerNode),
|
|
|
5671 |
backward: backward
|
|
|
5672 |
};
|
|
|
5673 |
}
|
|
|
5674 |
|
|
|
5675 |
return rangeInfos;
|
|
|
5676 |
},
|
|
|
5677 |
|
|
|
5678 |
restoreSelection: function(selection, savedSelection, containerNode) {
|
|
|
5679 |
selection.removeAllRanges();
|
|
|
5680 |
var doc = selection.win.document;
|
|
|
5681 |
for (var i = 0, len = savedSelection.length, range, rangeInfo, characterRange; i < len; ++i) {
|
|
|
5682 |
rangeInfo = savedSelection[i];
|
|
|
5683 |
characterRange = rangeInfo.characterRange;
|
|
|
5684 |
range = this.characterRangeToRange(doc, rangeInfo.characterRange, containerNode);
|
|
|
5685 |
selection.addRange(range, rangeInfo.backward);
|
|
|
5686 |
}
|
|
|
5687 |
}
|
|
|
5688 |
};
|
|
|
5689 |
|
|
|
5690 |
registerHighlighterType("textContent", function() {
|
|
|
5691 |
return textContentConverter;
|
|
|
5692 |
});
|
|
|
5693 |
|
|
|
5694 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
5695 |
|
|
|
5696 |
// Lazily load the TextRange-based converter so that the dependency is only checked when required.
|
|
|
5697 |
registerHighlighterType("TextRange", (function() {
|
|
|
5698 |
var converter;
|
|
|
5699 |
|
|
|
5700 |
return function() {
|
|
|
5701 |
if (!converter) {
|
|
|
5702 |
// Test that textRangeModule exists and is supported
|
|
|
5703 |
var textRangeModule = api.modules.TextRange;
|
|
|
5704 |
if (!textRangeModule) {
|
|
|
5705 |
throw new Error("TextRange module is missing.");
|
|
|
5706 |
} else if (!textRangeModule.supported) {
|
|
|
5707 |
throw new Error("TextRange module is present but not supported.");
|
|
|
5708 |
}
|
|
|
5709 |
|
|
|
5710 |
converter = {
|
|
|
5711 |
rangeToCharacterRange: function(range, containerNode) {
|
|
|
5712 |
return CharacterRange.fromCharacterRange( range.toCharacterRange(containerNode) );
|
|
|
5713 |
},
|
|
|
5714 |
|
|
|
5715 |
characterRangeToRange: function(doc, characterRange, containerNode) {
|
|
|
5716 |
var range = api.createRange(doc);
|
|
|
5717 |
range.selectCharacters(containerNode, characterRange.start, characterRange.end);
|
|
|
5718 |
return range;
|
|
|
5719 |
},
|
|
|
5720 |
|
|
|
5721 |
serializeSelection: function(selection, containerNode) {
|
|
|
5722 |
return selection.saveCharacterRanges(containerNode);
|
|
|
5723 |
},
|
|
|
5724 |
|
|
|
5725 |
restoreSelection: function(selection, savedSelection, containerNode) {
|
|
|
5726 |
selection.restoreCharacterRanges(containerNode, savedSelection);
|
|
|
5727 |
}
|
|
|
5728 |
};
|
|
|
5729 |
}
|
|
|
5730 |
|
|
|
5731 |
return converter;
|
|
|
5732 |
};
|
|
|
5733 |
})());
|
|
|
5734 |
|
|
|
5735 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
5736 |
|
|
|
5737 |
function Highlight(doc, characterRange, classApplier, converter, id, containerElementId) {
|
|
|
5738 |
if (id) {
|
|
|
5739 |
this.id = id;
|
|
|
5740 |
nextHighlightId = Math.max(nextHighlightId, id + 1);
|
|
|
5741 |
} else {
|
|
|
5742 |
this.id = nextHighlightId++;
|
|
|
5743 |
}
|
|
|
5744 |
this.characterRange = characterRange;
|
|
|
5745 |
this.doc = doc;
|
|
|
5746 |
this.classApplier = classApplier;
|
|
|
5747 |
this.converter = converter;
|
|
|
5748 |
this.containerElementId = containerElementId || null;
|
|
|
5749 |
this.applied = false;
|
|
|
5750 |
}
|
|
|
5751 |
|
|
|
5752 |
Highlight.prototype = {
|
|
|
5753 |
getContainerElement: function() {
|
|
|
5754 |
return getContainerElement(this.doc, this.containerElementId);
|
|
|
5755 |
},
|
|
|
5756 |
|
|
|
5757 |
getRange: function() {
|
|
|
5758 |
return this.converter.characterRangeToRange(this.doc, this.characterRange, this.getContainerElement());
|
|
|
5759 |
},
|
|
|
5760 |
|
|
|
5761 |
fromRange: function(range) {
|
|
|
5762 |
this.characterRange = this.converter.rangeToCharacterRange(range, this.getContainerElement());
|
|
|
5763 |
},
|
|
|
5764 |
|
|
|
5765 |
getText: function() {
|
|
|
5766 |
return this.getRange().toString();
|
|
|
5767 |
},
|
|
|
5768 |
|
|
|
5769 |
containsElement: function(el) {
|
|
|
5770 |
return this.getRange().containsNodeContents(el.firstChild);
|
|
|
5771 |
},
|
|
|
5772 |
|
|
|
5773 |
unapply: function() {
|
|
|
5774 |
this.classApplier.undoToRange(this.getRange());
|
|
|
5775 |
this.applied = false;
|
|
|
5776 |
},
|
|
|
5777 |
|
|
|
5778 |
apply: function() {
|
|
|
5779 |
this.classApplier.applyToRange(this.getRange());
|
|
|
5780 |
this.applied = true;
|
|
|
5781 |
},
|
|
|
5782 |
|
|
|
5783 |
getHighlightElements: function() {
|
|
|
5784 |
return this.classApplier.getElementsWithClassIntersectingRange(this.getRange());
|
|
|
5785 |
},
|
|
|
5786 |
|
|
|
5787 |
toString: function() {
|
|
|
5788 |
return "[Highlight(ID: " + this.id + ", class: " + this.classApplier.className + ", character range: " +
|
|
|
5789 |
this.characterRange.start + " - " + this.characterRange.end + ")]";
|
|
|
5790 |
}
|
|
|
5791 |
};
|
|
|
5792 |
|
|
|
5793 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
5794 |
|
|
|
5795 |
function Highlighter(doc, type) {
|
|
|
5796 |
type = type || "textContent";
|
|
|
5797 |
this.doc = doc || document;
|
|
|
5798 |
this.classAppliers = {};
|
|
|
5799 |
this.highlights = [];
|
|
|
5800 |
this.converter = getConverter(type);
|
|
|
5801 |
}
|
|
|
5802 |
|
|
|
5803 |
Highlighter.prototype = {
|
|
|
5804 |
addClassApplier: function(classApplier) {
|
|
|
5805 |
this.classAppliers[classApplier.className] = classApplier;
|
|
|
5806 |
},
|
|
|
5807 |
|
|
|
5808 |
getHighlightForElement: function(el) {
|
|
|
5809 |
var highlights = this.highlights;
|
|
|
5810 |
for (var i = 0, len = highlights.length; i < len; ++i) {
|
|
|
5811 |
if (highlights[i].containsElement(el)) {
|
|
|
5812 |
return highlights[i];
|
|
|
5813 |
}
|
|
|
5814 |
}
|
|
|
5815 |
return null;
|
|
|
5816 |
},
|
|
|
5817 |
|
|
|
5818 |
removeHighlights: function(highlights) {
|
|
|
5819 |
for (var i = 0, len = this.highlights.length, highlight; i < len; ++i) {
|
|
|
5820 |
highlight = this.highlights[i];
|
|
|
5821 |
if (contains(highlights, highlight)) {
|
|
|
5822 |
highlight.unapply();
|
|
|
5823 |
this.highlights.splice(i--, 1);
|
|
|
5824 |
}
|
|
|
5825 |
}
|
|
|
5826 |
},
|
|
|
5827 |
|
|
|
5828 |
removeAllHighlights: function() {
|
|
|
5829 |
this.removeHighlights(this.highlights);
|
|
|
5830 |
},
|
|
|
5831 |
|
|
|
5832 |
getIntersectingHighlights: function(ranges) {
|
|
|
5833 |
// Test each range against each of the highlighted ranges to see whether they overlap
|
|
|
5834 |
var intersectingHighlights = [], highlights = this.highlights;
|
|
|
5835 |
forEach(ranges, function(range) {
|
|
|
5836 |
//var selCharRange = converter.rangeToCharacterRange(range);
|
|
|
5837 |
forEach(highlights, function(highlight) {
|
|
|
5838 |
if (range.intersectsRange( highlight.getRange() ) && !contains(intersectingHighlights, highlight)) {
|
|
|
5839 |
intersectingHighlights.push(highlight);
|
|
|
5840 |
}
|
|
|
5841 |
});
|
|
|
5842 |
});
|
|
|
5843 |
|
|
|
5844 |
return intersectingHighlights;
|
|
|
5845 |
},
|
|
|
5846 |
|
|
|
5847 |
highlightCharacterRanges: function(className, charRanges, options) {
|
|
|
5848 |
var i, len, j;
|
|
|
5849 |
var highlights = this.highlights;
|
|
|
5850 |
var converter = this.converter;
|
|
|
5851 |
var doc = this.doc;
|
|
|
5852 |
var highlightsToRemove = [];
|
|
|
5853 |
var classApplier = className ? this.classAppliers[className] : null;
|
|
|
5854 |
|
|
|
5855 |
options = createOptions(options, {
|
|
|
5856 |
containerElementId: null,
|
|
|
5857 |
exclusive: true
|
|
|
5858 |
});
|
|
|
5859 |
|
|
|
5860 |
var containerElementId = options.containerElementId;
|
|
|
5861 |
var exclusive = options.exclusive;
|
|
|
5862 |
|
|
|
5863 |
var containerElement, containerElementRange, containerElementCharRange;
|
|
|
5864 |
if (containerElementId) {
|
|
|
5865 |
containerElement = this.doc.getElementById(containerElementId);
|
|
|
5866 |
if (containerElement) {
|
|
|
5867 |
containerElementRange = api.createRange(this.doc);
|
|
|
5868 |
containerElementRange.selectNodeContents(containerElement);
|
|
|
5869 |
containerElementCharRange = new CharacterRange(0, containerElementRange.toString().length);
|
|
|
5870 |
}
|
|
|
5871 |
}
|
|
|
5872 |
|
|
|
5873 |
var charRange, highlightCharRange, removeHighlight, isSameClassApplier, highlightsToKeep, splitHighlight;
|
|
|
5874 |
|
|
|
5875 |
for (i = 0, len = charRanges.length; i < len; ++i) {
|
|
|
5876 |
charRange = charRanges[i];
|
|
|
5877 |
highlightsToKeep = [];
|
|
|
5878 |
|
|
|
5879 |
// Restrict character range to container element, if it exists
|
|
|
5880 |
if (containerElementCharRange) {
|
|
|
5881 |
charRange = charRange.intersection(containerElementCharRange);
|
|
|
5882 |
}
|
|
|
5883 |
|
|
|
5884 |
// Ignore empty ranges
|
|
|
5885 |
if (charRange.start == charRange.end) {
|
|
|
5886 |
continue;
|
|
|
5887 |
}
|
|
|
5888 |
|
|
|
5889 |
// Check for intersection with existing highlights. For each intersection, create a new highlight
|
|
|
5890 |
// which is the union of the highlight range and the selected range
|
|
|
5891 |
for (j = 0; j < highlights.length; ++j) {
|
|
|
5892 |
removeHighlight = false;
|
|
|
5893 |
|
|
|
5894 |
if (containerElementId == highlights[j].containerElementId) {
|
|
|
5895 |
highlightCharRange = highlights[j].characterRange;
|
|
|
5896 |
isSameClassApplier = (classApplier == highlights[j].classApplier);
|
|
|
5897 |
splitHighlight = !isSameClassApplier && exclusive;
|
|
|
5898 |
|
|
|
5899 |
// Replace the existing highlight if it needs to be:
|
|
|
5900 |
// 1. merged (isSameClassApplier)
|
|
|
5901 |
// 2. partially or entirely erased (className === null)
|
|
|
5902 |
// 3. partially or entirely replaced (isSameClassApplier == false && exclusive == true)
|
|
|
5903 |
if ( (highlightCharRange.intersects(charRange) || highlightCharRange.isContiguousWith(charRange)) &&
|
|
|
5904 |
(isSameClassApplier || splitHighlight) ) {
|
|
|
5905 |
|
|
|
5906 |
// Remove existing highlights, keeping the unselected parts
|
|
|
5907 |
if (splitHighlight) {
|
|
|
5908 |
forEach(highlightCharRange.getComplements(charRange), function(rangeToAdd) {
|
|
|
5909 |
highlightsToKeep.push( new Highlight(doc, rangeToAdd, highlights[j].classApplier, converter, null, containerElementId) );
|
|
|
5910 |
});
|
|
|
5911 |
}
|
|
|
5912 |
|
|
|
5913 |
removeHighlight = true;
|
|
|
5914 |
if (isSameClassApplier) {
|
|
|
5915 |
charRange = highlightCharRange.union(charRange);
|
|
|
5916 |
}
|
|
|
5917 |
}
|
|
|
5918 |
}
|
|
|
5919 |
|
|
|
5920 |
if (removeHighlight) {
|
|
|
5921 |
highlightsToRemove.push(highlights[j]);
|
|
|
5922 |
highlights[j] = new Highlight(doc, highlightCharRange.union(charRange), classApplier, converter, null, containerElementId);
|
|
|
5923 |
} else {
|
|
|
5924 |
highlightsToKeep.push(highlights[j]);
|
|
|
5925 |
}
|
|
|
5926 |
}
|
|
|
5927 |
|
|
|
5928 |
// Add new range
|
|
|
5929 |
if (classApplier) {
|
|
|
5930 |
highlightsToKeep.push(new Highlight(doc, charRange, classApplier, converter, null, containerElementId));
|
|
|
5931 |
}
|
|
|
5932 |
this.highlights = highlights = highlightsToKeep;
|
|
|
5933 |
}
|
|
|
5934 |
|
|
|
5935 |
// Remove the old highlights
|
|
|
5936 |
forEach(highlightsToRemove, function(highlightToRemove) {
|
|
|
5937 |
highlightToRemove.unapply();
|
|
|
5938 |
});
|
|
|
5939 |
|
|
|
5940 |
// Apply new highlights
|
|
|
5941 |
var newHighlights = [];
|
|
|
5942 |
forEach(highlights, function(highlight) {
|
|
|
5943 |
if (!highlight.applied) {
|
|
|
5944 |
highlight.apply();
|
|
|
5945 |
newHighlights.push(highlight);
|
|
|
5946 |
}
|
|
|
5947 |
});
|
|
|
5948 |
|
|
|
5949 |
return newHighlights;
|
|
|
5950 |
},
|
|
|
5951 |
|
|
|
5952 |
highlightRanges: function(className, ranges, options) {
|
|
|
5953 |
var selCharRanges = [];
|
|
|
5954 |
var converter = this.converter;
|
|
|
5955 |
|
|
|
5956 |
options = createOptions(options, {
|
|
|
5957 |
containerElement: null,
|
|
|
5958 |
exclusive: true
|
|
|
5959 |
});
|
|
|
5960 |
|
|
|
5961 |
var containerElement = options.containerElement;
|
|
|
5962 |
var containerElementId = containerElement ? containerElement.id : null;
|
|
|
5963 |
var containerElementRange;
|
|
|
5964 |
if (containerElement) {
|
|
|
5965 |
containerElementRange = api.createRange(containerElement);
|
|
|
5966 |
containerElementRange.selectNodeContents(containerElement);
|
|
|
5967 |
}
|
|
|
5968 |
|
|
|
5969 |
forEach(ranges, function(range) {
|
|
|
5970 |
var scopedRange = containerElement ? containerElementRange.intersection(range) : range;
|
|
|
5971 |
selCharRanges.push( converter.rangeToCharacterRange(scopedRange, containerElement || getBody(range.getDocument())) );
|
|
|
5972 |
});
|
|
|
5973 |
|
|
|
5974 |
return this.highlightCharacterRanges(className, selCharRanges, {
|
|
|
5975 |
containerElementId: containerElementId,
|
|
|
5976 |
exclusive: options.exclusive
|
|
|
5977 |
});
|
|
|
5978 |
},
|
|
|
5979 |
|
|
|
5980 |
highlightSelection: function(className, options) {
|
|
|
5981 |
var converter = this.converter;
|
|
|
5982 |
var classApplier = className ? this.classAppliers[className] : false;
|
|
|
5983 |
|
|
|
5984 |
options = createOptions(options, {
|
|
|
5985 |
containerElementId: null,
|
|
|
5986 |
exclusive: true
|
|
|
5987 |
});
|
|
|
5988 |
|
|
|
5989 |
var containerElementId = options.containerElementId;
|
|
|
5990 |
var exclusive = options.exclusive;
|
|
|
5991 |
var selection = options.selection || api.getSelection(this.doc);
|
|
|
5992 |
var doc = selection.win.document;
|
|
|
5993 |
var containerElement = getContainerElement(doc, containerElementId);
|
|
|
5994 |
|
|
|
5995 |
if (!classApplier && className !== false) {
|
|
|
5996 |
throw new Error("No class applier found for class '" + className + "'");
|
|
|
5997 |
}
|
|
|
5998 |
|
|
|
5999 |
// Store the existing selection as character ranges
|
|
|
6000 |
var serializedSelection = converter.serializeSelection(selection, containerElement);
|
|
|
6001 |
|
|
|
6002 |
// Create an array of selected character ranges
|
|
|
6003 |
var selCharRanges = [];
|
|
|
6004 |
forEach(serializedSelection, function(rangeInfo) {
|
|
|
6005 |
selCharRanges.push( CharacterRange.fromCharacterRange(rangeInfo.characterRange) );
|
|
|
6006 |
});
|
|
|
6007 |
|
|
|
6008 |
var newHighlights = this.highlightCharacterRanges(className, selCharRanges, {
|
|
|
6009 |
containerElementId: containerElementId,
|
|
|
6010 |
exclusive: exclusive
|
|
|
6011 |
});
|
|
|
6012 |
|
|
|
6013 |
// Restore selection
|
|
|
6014 |
converter.restoreSelection(selection, serializedSelection, containerElement);
|
|
|
6015 |
|
|
|
6016 |
return newHighlights;
|
|
|
6017 |
},
|
|
|
6018 |
|
|
|
6019 |
unhighlightSelection: function(selection) {
|
|
|
6020 |
selection = selection || api.getSelection(this.doc);
|
|
|
6021 |
var intersectingHighlights = this.getIntersectingHighlights( selection.getAllRanges() );
|
|
|
6022 |
this.removeHighlights(intersectingHighlights);
|
|
|
6023 |
selection.removeAllRanges();
|
|
|
6024 |
return intersectingHighlights;
|
|
|
6025 |
},
|
|
|
6026 |
|
|
|
6027 |
getHighlightsInSelection: function(selection) {
|
|
|
6028 |
selection = selection || api.getSelection(this.doc);
|
|
|
6029 |
return this.getIntersectingHighlights(selection.getAllRanges());
|
|
|
6030 |
},
|
|
|
6031 |
|
|
|
6032 |
selectionOverlapsHighlight: function(selection) {
|
|
|
6033 |
return this.getHighlightsInSelection(selection).length > 0;
|
|
|
6034 |
},
|
|
|
6035 |
|
|
|
6036 |
serialize: function(options) {
|
|
|
6037 |
var highlighter = this;
|
|
|
6038 |
var highlights = highlighter.highlights;
|
|
|
6039 |
var serializedType, serializedHighlights, convertType, serializationConverter;
|
|
|
6040 |
|
|
|
6041 |
highlights.sort(compareHighlights);
|
|
|
6042 |
options = createOptions(options, {
|
|
|
6043 |
serializeHighlightText: false,
|
|
|
6044 |
type: highlighter.converter.type
|
|
|
6045 |
});
|
|
|
6046 |
|
|
|
6047 |
serializedType = options.type;
|
|
|
6048 |
convertType = (serializedType != highlighter.converter.type);
|
|
|
6049 |
|
|
|
6050 |
if (convertType) {
|
|
|
6051 |
serializationConverter = getConverter(serializedType);
|
|
|
6052 |
}
|
|
|
6053 |
|
|
|
6054 |
serializedHighlights = ["type:" + serializedType];
|
|
|
6055 |
|
|
|
6056 |
forEach(highlights, function(highlight) {
|
|
|
6057 |
var characterRange = highlight.characterRange;
|
|
|
6058 |
var containerElement;
|
|
|
6059 |
|
|
|
6060 |
// Convert to the current Highlighter's type, if different from the serialization type
|
|
|
6061 |
if (convertType) {
|
|
|
6062 |
containerElement = highlight.getContainerElement();
|
|
|
6063 |
characterRange = serializationConverter.rangeToCharacterRange(
|
|
|
6064 |
highlighter.converter.characterRangeToRange(highlighter.doc, characterRange, containerElement),
|
|
|
6065 |
containerElement
|
|
|
6066 |
);
|
|
|
6067 |
}
|
|
|
6068 |
|
|
|
6069 |
var parts = [
|
|
|
6070 |
characterRange.start,
|
|
|
6071 |
characterRange.end,
|
|
|
6072 |
highlight.id,
|
|
|
6073 |
highlight.classApplier.className,
|
|
|
6074 |
highlight.containerElementId
|
|
|
6075 |
];
|
|
|
6076 |
|
|
|
6077 |
if (options.serializeHighlightText) {
|
|
|
6078 |
parts.push(highlight.getText());
|
|
|
6079 |
}
|
|
|
6080 |
serializedHighlights.push( parts.join("$") );
|
|
|
6081 |
});
|
|
|
6082 |
|
|
|
6083 |
return serializedHighlights.join("|");
|
|
|
6084 |
},
|
|
|
6085 |
|
|
|
6086 |
deserialize: function(serialized) {
|
|
|
6087 |
var serializedHighlights = serialized.split("|");
|
|
|
6088 |
var highlights = [];
|
|
|
6089 |
|
|
|
6090 |
var firstHighlight = serializedHighlights[0];
|
|
|
6091 |
var regexResult;
|
|
|
6092 |
var serializationType, serializationConverter, convertType = false;
|
|
|
6093 |
if ( firstHighlight && (regexResult = /^type:(\w+)$/.exec(firstHighlight)) ) {
|
|
|
6094 |
serializationType = regexResult[1];
|
|
|
6095 |
if (serializationType != this.converter.type) {
|
|
|
6096 |
serializationConverter = getConverter(serializationType);
|
|
|
6097 |
convertType = true;
|
|
|
6098 |
}
|
|
|
6099 |
serializedHighlights.shift();
|
|
|
6100 |
} else {
|
|
|
6101 |
throw new Error("Serialized highlights are invalid.");
|
|
|
6102 |
}
|
|
|
6103 |
|
|
|
6104 |
var classApplier, highlight, characterRange, containerElementId, containerElement;
|
|
|
6105 |
|
|
|
6106 |
for (var i = serializedHighlights.length, parts; i-- > 0; ) {
|
|
|
6107 |
parts = serializedHighlights[i].split("$");
|
|
|
6108 |
characterRange = new CharacterRange(+parts[0], +parts[1]);
|
|
|
6109 |
containerElementId = parts[4] || null;
|
|
|
6110 |
|
|
|
6111 |
// Convert to the current Highlighter's type, if different from the serialization type
|
|
|
6112 |
if (convertType) {
|
|
|
6113 |
containerElement = getContainerElement(this.doc, containerElementId);
|
|
|
6114 |
characterRange = this.converter.rangeToCharacterRange(
|
|
|
6115 |
serializationConverter.characterRangeToRange(this.doc, characterRange, containerElement),
|
|
|
6116 |
containerElement
|
|
|
6117 |
);
|
|
|
6118 |
}
|
|
|
6119 |
|
|
|
6120 |
classApplier = this.classAppliers[ parts[3] ];
|
|
|
6121 |
|
|
|
6122 |
if (!classApplier) {
|
|
|
6123 |
throw new Error("No class applier found for class '" + parts[3] + "'");
|
|
|
6124 |
}
|
|
|
6125 |
|
|
|
6126 |
highlight = new Highlight(this.doc, characterRange, classApplier, this.converter, parseInt(parts[2]), containerElementId);
|
|
|
6127 |
highlight.apply();
|
|
|
6128 |
highlights.push(highlight);
|
|
|
6129 |
}
|
|
|
6130 |
this.highlights = highlights;
|
|
|
6131 |
}
|
|
|
6132 |
};
|
|
|
6133 |
|
|
|
6134 |
api.Highlighter = Highlighter;
|
|
|
6135 |
|
|
|
6136 |
api.createHighlighter = function(doc, rangeCharacterOffsetConverterType) {
|
|
|
6137 |
return new Highlighter(doc, rangeCharacterOffsetConverterType);
|
|
|
6138 |
};
|
|
|
6139 |
});
|
|
|
6140 |
|
|
|
6141 |
return rangy;
|
|
|
6142 |
}, this);
|
|
|
6143 |
|
|
|
6144 |
/**
|
|
|
6145 |
* Text range module for Rangy.
|
|
|
6146 |
* Text-based manipulation and searching of ranges and selections.
|
|
|
6147 |
*
|
|
|
6148 |
* Features
|
|
|
6149 |
*
|
|
|
6150 |
* - Ability to move range boundaries by character or word offsets
|
|
|
6151 |
* - Customizable word tokenizer
|
|
|
6152 |
* - Ignores text nodes inside <script> or <style> elements or those hidden by CSS display and visibility properties
|
|
|
6153 |
* - Range findText method to search for text or regex within the page or within a range. Flags for whole words and case
|
|
|
6154 |
* sensitivity
|
|
|
6155 |
* - Selection and range save/restore as text offsets within a node
|
|
|
6156 |
* - Methods to return visible text within a range or selection
|
|
|
6157 |
* - innerText method for elements
|
|
|
6158 |
*
|
|
|
6159 |
* References
|
|
|
6160 |
*
|
|
|
6161 |
* https://www.w3.org/Bugs/Public/show_bug.cgi?id=13145
|
|
|
6162 |
* http://aryeh.name/spec/innertext/innertext.html
|
|
|
6163 |
* http://dvcs.w3.org/hg/editing/raw-file/tip/editing.html
|
|
|
6164 |
*
|
|
|
6165 |
* Part of Rangy, a cross-browser JavaScript range and selection library
|
|
|
6166 |
* https://github.com/timdown/rangy
|
|
|
6167 |
*
|
|
|
6168 |
* Depends on Rangy core.
|
|
|
6169 |
*
|
|
|
6170 |
* Copyright 2022, Tim Down
|
|
|
6171 |
* Licensed under the MIT license.
|
|
|
6172 |
* Version: 1.3.1
|
|
|
6173 |
* Build date: 17 August 2022
|
|
|
6174 |
*/
|
|
|
6175 |
|
|
|
6176 |
/**
|
|
|
6177 |
* Problem: handling of trailing spaces before line breaks is handled inconsistently between browsers.
|
|
|
6178 |
*
|
|
|
6179 |
* First, a <br>: this is relatively simple. For the following HTML:
|
|
|
6180 |
*
|
|
|
6181 |
* 1 <br>2
|
|
|
6182 |
*
|
|
|
6183 |
* - IE and WebKit render the space, include it in the selection (i.e. when the content is selected and pasted into a
|
|
|
6184 |
* textarea, the space is present) and allow the caret to be placed after it.
|
|
|
6185 |
* - Firefox does not acknowledge the space in the selection but it is possible to place the caret after it.
|
|
|
6186 |
* - Opera does not render the space but has two separate caret positions on either side of the space (left and right
|
|
|
6187 |
* arrow keys show this) and includes the space in the selection.
|
|
|
6188 |
*
|
|
|
6189 |
* The other case is the line break or breaks implied by block elements. For the following HTML:
|
|
|
6190 |
*
|
|
|
6191 |
* <p>1 </p><p>2<p>
|
|
|
6192 |
*
|
|
|
6193 |
* - WebKit does not acknowledge the space in any way
|
|
|
6194 |
* - Firefox, IE and Opera as per <br>
|
|
|
6195 |
*
|
|
|
6196 |
* One more case is trailing spaces before line breaks in elements with white-space: pre-line. For the following HTML:
|
|
|
6197 |
*
|
|
|
6198 |
* <p style="white-space: pre-line">1
|
|
|
6199 |
* 2</p>
|
|
|
6200 |
*
|
|
|
6201 |
* - Firefox and WebKit include the space in caret positions
|
|
|
6202 |
* - IE does not support pre-line up to and including version 9
|
|
|
6203 |
* - Opera ignores the space
|
|
|
6204 |
* - Trailing space only renders if there is a non-collapsed character in the line
|
|
|
6205 |
*
|
|
|
6206 |
* Problem is whether Rangy should ever acknowledge the space and if so, when. Another problem is whether this can be
|
|
|
6207 |
* feature-tested
|
|
|
6208 |
*/
|
|
|
6209 |
(function(factory, root) {
|
|
|
6210 |
// No AMD or CommonJS support so we use the rangy property of root (probably the global variable)
|
|
|
6211 |
factory(root.rangy);
|
|
|
6212 |
})(function(rangy) {
|
|
|
6213 |
rangy.createModule("TextRange", ["WrappedSelection"], function(api, module) {
|
|
|
6214 |
var UNDEF = "undefined";
|
|
|
6215 |
var CHARACTER = "character", WORD = "word";
|
|
|
6216 |
var dom = api.dom, util = api.util;
|
|
|
6217 |
var extend = util.extend;
|
|
|
6218 |
var createOptions = util.createOptions;
|
|
|
6219 |
var getBody = dom.getBody;
|
|
|
6220 |
|
|
|
6221 |
|
|
|
6222 |
var spacesRegex = /^[ \t\f\r\n]+$/;
|
|
|
6223 |
var spacesMinusLineBreaksRegex = /^[ \t\f\r]+$/;
|
|
|
6224 |
var allWhiteSpaceRegex = /^[\t-\r \u0085\u00A0\u1680\u180E\u2000-\u200B\u2028\u2029\u202F\u205F\u3000]+$/;
|
|
|
6225 |
var nonLineBreakWhiteSpaceRegex = /^[\t \u00A0\u1680\u180E\u2000-\u200B\u202F\u205F\u3000]+$/;
|
|
|
6226 |
var lineBreakRegex = /^[\n-\r\u0085\u2028\u2029]$/;
|
|
|
6227 |
|
|
|
6228 |
var defaultLanguage = "en";
|
|
|
6229 |
|
|
|
6230 |
var isDirectionBackward = api.Selection.isDirectionBackward;
|
|
|
6231 |
|
|
|
6232 |
// Properties representing whether trailing spaces inside blocks are completely collapsed (as they are in WebKit,
|
|
|
6233 |
// but not other browsers). Also test whether trailing spaces before <br> elements are collapsed.
|
|
|
6234 |
var trailingSpaceInBlockCollapses = false;
|
|
|
6235 |
var trailingSpaceBeforeBrCollapses = false;
|
|
|
6236 |
var trailingSpaceBeforeBlockCollapses = false;
|
|
|
6237 |
var trailingSpaceBeforeLineBreakInPreLineCollapses = true;
|
|
|
6238 |
|
|
|
6239 |
(function() {
|
|
|
6240 |
var el = dom.createTestElement(document, "<p>1 </p><p></p>", true);
|
|
|
6241 |
var p = el.firstChild;
|
|
|
6242 |
var sel = api.getSelection();
|
|
|
6243 |
sel.collapse(p.lastChild, 2);
|
|
|
6244 |
sel.setStart(p.firstChild, 0);
|
|
|
6245 |
trailingSpaceInBlockCollapses = ("" + sel).length == 1;
|
|
|
6246 |
|
|
|
6247 |
el.innerHTML = "1 <br />";
|
|
|
6248 |
sel.collapse(el, 2);
|
|
|
6249 |
sel.setStart(el.firstChild, 0);
|
|
|
6250 |
trailingSpaceBeforeBrCollapses = ("" + sel).length == 1;
|
|
|
6251 |
|
|
|
6252 |
el.innerHTML = "1 <p>1</p>";
|
|
|
6253 |
sel.collapse(el, 2);
|
|
|
6254 |
sel.setStart(el.firstChild, 0);
|
|
|
6255 |
trailingSpaceBeforeBlockCollapses = ("" + sel).length == 1;
|
|
|
6256 |
|
|
|
6257 |
dom.removeNode(el);
|
|
|
6258 |
sel.removeAllRanges();
|
|
|
6259 |
})();
|
|
|
6260 |
|
|
|
6261 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
6262 |
|
|
|
6263 |
// This function must create word and non-word tokens for the whole of the text supplied to it
|
|
|
6264 |
function defaultTokenizer(chars, wordOptions) {
|
|
|
6265 |
var word = chars.join(""), result, tokenRanges = [];
|
|
|
6266 |
|
|
|
6267 |
function createTokenRange(start, end, isWord) {
|
|
|
6268 |
tokenRanges.push( { start: start, end: end, isWord: isWord } );
|
|
|
6269 |
}
|
|
|
6270 |
|
|
|
6271 |
// Match words and mark characters
|
|
|
6272 |
var lastWordEnd = 0, wordStart, wordEnd;
|
|
|
6273 |
while ( (result = wordOptions.wordRegex.exec(word)) ) {
|
|
|
6274 |
wordStart = result.index;
|
|
|
6275 |
wordEnd = wordStart + result[0].length;
|
|
|
6276 |
|
|
|
6277 |
// Create token for non-word characters preceding this word
|
|
|
6278 |
if (wordStart > lastWordEnd) {
|
|
|
6279 |
createTokenRange(lastWordEnd, wordStart, false);
|
|
|
6280 |
}
|
|
|
6281 |
|
|
|
6282 |
// Get trailing space characters for word
|
|
|
6283 |
if (wordOptions.includeTrailingSpace) {
|
|
|
6284 |
while ( nonLineBreakWhiteSpaceRegex.test(chars[wordEnd]) ) {
|
|
|
6285 |
++wordEnd;
|
|
|
6286 |
}
|
|
|
6287 |
}
|
|
|
6288 |
createTokenRange(wordStart, wordEnd, true);
|
|
|
6289 |
lastWordEnd = wordEnd;
|
|
|
6290 |
}
|
|
|
6291 |
|
|
|
6292 |
// Create token for trailing non-word characters, if any exist
|
|
|
6293 |
if (lastWordEnd < chars.length) {
|
|
|
6294 |
createTokenRange(lastWordEnd, chars.length, false);
|
|
|
6295 |
}
|
|
|
6296 |
|
|
|
6297 |
return tokenRanges;
|
|
|
6298 |
}
|
|
|
6299 |
|
|
|
6300 |
function convertCharRangeToToken(chars, tokenRange) {
|
|
|
6301 |
var tokenChars = chars.slice(tokenRange.start, tokenRange.end);
|
|
|
6302 |
var token = {
|
|
|
6303 |
isWord: tokenRange.isWord,
|
|
|
6304 |
chars: tokenChars,
|
|
|
6305 |
toString: function() {
|
|
|
6306 |
return tokenChars.join("");
|
|
|
6307 |
}
|
|
|
6308 |
};
|
|
|
6309 |
for (var i = 0, len = tokenChars.length; i < len; ++i) {
|
|
|
6310 |
tokenChars[i].token = token;
|
|
|
6311 |
}
|
|
|
6312 |
return token;
|
|
|
6313 |
}
|
|
|
6314 |
|
|
|
6315 |
function tokenize(chars, wordOptions, tokenizer) {
|
|
|
6316 |
var tokenRanges = tokenizer(chars, wordOptions);
|
|
|
6317 |
var tokens = [];
|
|
|
6318 |
for (var i = 0, tokenRange; tokenRange = tokenRanges[i++]; ) {
|
|
|
6319 |
tokens.push( convertCharRangeToToken(chars, tokenRange) );
|
|
|
6320 |
}
|
|
|
6321 |
return tokens;
|
|
|
6322 |
}
|
|
|
6323 |
|
|
|
6324 |
var defaultCharacterOptions = {
|
|
|
6325 |
includeBlockContentTrailingSpace: true,
|
|
|
6326 |
includeSpaceBeforeBr: true,
|
|
|
6327 |
includeSpaceBeforeBlock: true,
|
|
|
6328 |
includePreLineTrailingSpace: true,
|
|
|
6329 |
ignoreCharacters: ""
|
|
|
6330 |
};
|
|
|
6331 |
|
|
|
6332 |
function normalizeIgnoredCharacters(ignoredCharacters) {
|
|
|
6333 |
// Check if character is ignored
|
|
|
6334 |
var ignoredChars = ignoredCharacters || "";
|
|
|
6335 |
|
|
|
6336 |
// Normalize ignored characters into a string consisting of characters in ascending order of character code
|
|
|
6337 |
var ignoredCharsArray = (typeof ignoredChars == "string") ? ignoredChars.split("") : ignoredChars;
|
|
|
6338 |
ignoredCharsArray.sort(function(char1, char2) {
|
|
|
6339 |
return char1.charCodeAt(0) - char2.charCodeAt(0);
|
|
|
6340 |
});
|
|
|
6341 |
|
|
|
6342 |
/// Convert back to a string and remove duplicates
|
|
|
6343 |
return ignoredCharsArray.join("").replace(/(.)\1+/g, "$1");
|
|
|
6344 |
}
|
|
|
6345 |
|
|
|
6346 |
var defaultCaretCharacterOptions = {
|
|
|
6347 |
includeBlockContentTrailingSpace: !trailingSpaceBeforeLineBreakInPreLineCollapses,
|
|
|
6348 |
includeSpaceBeforeBr: !trailingSpaceBeforeBrCollapses,
|
|
|
6349 |
includeSpaceBeforeBlock: !trailingSpaceBeforeBlockCollapses,
|
|
|
6350 |
includePreLineTrailingSpace: true
|
|
|
6351 |
};
|
|
|
6352 |
|
|
|
6353 |
var defaultWordOptions = {
|
|
|
6354 |
"en": {
|
|
|
6355 |
wordRegex: /[a-z0-9]+('[a-z0-9]+)*/gi,
|
|
|
6356 |
includeTrailingSpace: false,
|
|
|
6357 |
tokenizer: defaultTokenizer
|
|
|
6358 |
}
|
|
|
6359 |
};
|
|
|
6360 |
|
|
|
6361 |
var defaultFindOptions = {
|
|
|
6362 |
caseSensitive: false,
|
|
|
6363 |
withinRange: null,
|
|
|
6364 |
wholeWordsOnly: false,
|
|
|
6365 |
wrap: false,
|
|
|
6366 |
direction: "forward",
|
|
|
6367 |
wordOptions: null,
|
|
|
6368 |
characterOptions: null
|
|
|
6369 |
};
|
|
|
6370 |
|
|
|
6371 |
var defaultMoveOptions = {
|
|
|
6372 |
wordOptions: null,
|
|
|
6373 |
characterOptions: null
|
|
|
6374 |
};
|
|
|
6375 |
|
|
|
6376 |
var defaultExpandOptions = {
|
|
|
6377 |
wordOptions: null,
|
|
|
6378 |
characterOptions: null,
|
|
|
6379 |
trim: false,
|
|
|
6380 |
trimStart: true,
|
|
|
6381 |
trimEnd: true
|
|
|
6382 |
};
|
|
|
6383 |
|
|
|
6384 |
var defaultWordIteratorOptions = {
|
|
|
6385 |
wordOptions: null,
|
|
|
6386 |
characterOptions: null,
|
|
|
6387 |
direction: "forward"
|
|
|
6388 |
};
|
|
|
6389 |
|
|
|
6390 |
function createWordOptions(options) {
|
|
|
6391 |
var lang, defaults;
|
|
|
6392 |
if (!options) {
|
|
|
6393 |
return defaultWordOptions[defaultLanguage];
|
|
|
6394 |
} else {
|
|
|
6395 |
lang = options.language || defaultLanguage;
|
|
|
6396 |
defaults = {};
|
|
|
6397 |
extend(defaults, defaultWordOptions[lang] || defaultWordOptions[defaultLanguage]);
|
|
|
6398 |
extend(defaults, options);
|
|
|
6399 |
return defaults;
|
|
|
6400 |
}
|
|
|
6401 |
}
|
|
|
6402 |
|
|
|
6403 |
function createNestedOptions(optionsParam, defaults) {
|
|
|
6404 |
var options = createOptions(optionsParam, defaults);
|
|
|
6405 |
if (defaults.hasOwnProperty("wordOptions")) {
|
|
|
6406 |
options.wordOptions = createWordOptions(options.wordOptions);
|
|
|
6407 |
}
|
|
|
6408 |
if (defaults.hasOwnProperty("characterOptions")) {
|
|
|
6409 |
options.characterOptions = createOptions(options.characterOptions, defaultCharacterOptions);
|
|
|
6410 |
}
|
|
|
6411 |
return options;
|
|
|
6412 |
}
|
|
|
6413 |
|
|
|
6414 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
6415 |
|
|
|
6416 |
/* DOM utility functions */
|
|
|
6417 |
var getComputedStyleProperty = dom.getComputedStyleProperty;
|
|
|
6418 |
|
|
|
6419 |
// Create cachable versions of DOM functions
|
|
|
6420 |
|
|
|
6421 |
// Test for old IE's incorrect display properties
|
|
|
6422 |
var tableCssDisplayBlock;
|
|
|
6423 |
(function() {
|
|
|
6424 |
var table = document.createElement("table");
|
|
|
6425 |
var body = getBody(document);
|
|
|
6426 |
body.appendChild(table);
|
|
|
6427 |
tableCssDisplayBlock = (getComputedStyleProperty(table, "display") == "block");
|
|
|
6428 |
body.removeChild(table);
|
|
|
6429 |
})();
|
|
|
6430 |
|
|
|
6431 |
var defaultDisplayValueForTag = {
|
|
|
6432 |
table: "table",
|
|
|
6433 |
caption: "table-caption",
|
|
|
6434 |
colgroup: "table-column-group",
|
|
|
6435 |
col: "table-column",
|
|
|
6436 |
thead: "table-header-group",
|
|
|
6437 |
tbody: "table-row-group",
|
|
|
6438 |
tfoot: "table-footer-group",
|
|
|
6439 |
tr: "table-row",
|
|
|
6440 |
td: "table-cell",
|
|
|
6441 |
th: "table-cell"
|
|
|
6442 |
};
|
|
|
6443 |
|
|
|
6444 |
// Corrects IE's "block" value for table-related elements
|
|
|
6445 |
function getComputedDisplay(el, win) {
|
|
|
6446 |
var display = getComputedStyleProperty(el, "display", win);
|
|
|
6447 |
var tagName = el.tagName.toLowerCase();
|
|
|
6448 |
return (display == "block" &&
|
|
|
6449 |
tableCssDisplayBlock &&
|
|
|
6450 |
defaultDisplayValueForTag.hasOwnProperty(tagName)) ?
|
|
|
6451 |
defaultDisplayValueForTag[tagName] : display;
|
|
|
6452 |
}
|
|
|
6453 |
|
|
|
6454 |
function isHidden(node) {
|
|
|
6455 |
var ancestors = getAncestorsAndSelf(node);
|
|
|
6456 |
for (var i = 0, len = ancestors.length; i < len; ++i) {
|
|
|
6457 |
if (ancestors[i].nodeType == 1 && getComputedDisplay(ancestors[i]) == "none") {
|
|
|
6458 |
return true;
|
|
|
6459 |
}
|
|
|
6460 |
}
|
|
|
6461 |
|
|
|
6462 |
return false;
|
|
|
6463 |
}
|
|
|
6464 |
|
|
|
6465 |
function isVisibilityHiddenTextNode(textNode) {
|
|
|
6466 |
var el;
|
|
|
6467 |
return textNode.nodeType == 3 &&
|
|
|
6468 |
(el = textNode.parentNode) &&
|
|
|
6469 |
getComputedStyleProperty(el, "visibility") == "hidden";
|
|
|
6470 |
}
|
|
|
6471 |
|
|
|
6472 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
6473 |
|
|
|
6474 |
|
|
|
6475 |
// "A block node is either an Element whose "display" property does not have
|
|
|
6476 |
// resolved value "inline" or "inline-block" or "inline-table" or "none", or a
|
|
|
6477 |
// Document, or a DocumentFragment."
|
|
|
6478 |
function isBlockNode(node) {
|
|
|
6479 |
return node &&
|
|
|
6480 |
((node.nodeType == 1 && !/^(inline(-block|-table)?|none)$/.test(getComputedDisplay(node))) ||
|
|
|
6481 |
node.nodeType == 9 || node.nodeType == 11);
|
|
|
6482 |
}
|
|
|
6483 |
|
|
|
6484 |
function getLastDescendantOrSelf(node) {
|
|
|
6485 |
var lastChild = node.lastChild;
|
|
|
6486 |
return lastChild ? getLastDescendantOrSelf(lastChild) : node;
|
|
|
6487 |
}
|
|
|
6488 |
|
|
|
6489 |
function containsPositions(node) {
|
|
|
6490 |
return dom.isCharacterDataNode(node) ||
|
|
|
6491 |
!/^(area|base|basefont|br|col|frame|hr|img|input|isindex|link|meta|param)$/i.test(node.nodeName);
|
|
|
6492 |
}
|
|
|
6493 |
|
|
|
6494 |
function getAncestors(node) {
|
|
|
6495 |
var ancestors = [];
|
|
|
6496 |
while (node.parentNode) {
|
|
|
6497 |
ancestors.unshift(node.parentNode);
|
|
|
6498 |
node = node.parentNode;
|
|
|
6499 |
}
|
|
|
6500 |
return ancestors;
|
|
|
6501 |
}
|
|
|
6502 |
|
|
|
6503 |
function getAncestorsAndSelf(node) {
|
|
|
6504 |
return getAncestors(node).concat([node]);
|
|
|
6505 |
}
|
|
|
6506 |
|
|
|
6507 |
function nextNodeDescendants(node) {
|
|
|
6508 |
while (node && !node.nextSibling) {
|
|
|
6509 |
node = node.parentNode;
|
|
|
6510 |
}
|
|
|
6511 |
if (!node) {
|
|
|
6512 |
return null;
|
|
|
6513 |
}
|
|
|
6514 |
return node.nextSibling;
|
|
|
6515 |
}
|
|
|
6516 |
|
|
|
6517 |
function nextNode(node, excludeChildren) {
|
|
|
6518 |
if (!excludeChildren && node.hasChildNodes()) {
|
|
|
6519 |
return node.firstChild;
|
|
|
6520 |
}
|
|
|
6521 |
return nextNodeDescendants(node);
|
|
|
6522 |
}
|
|
|
6523 |
|
|
|
6524 |
function previousNode(node) {
|
|
|
6525 |
var previous = node.previousSibling;
|
|
|
6526 |
if (previous) {
|
|
|
6527 |
node = previous;
|
|
|
6528 |
while (node.hasChildNodes()) {
|
|
|
6529 |
node = node.lastChild;
|
|
|
6530 |
}
|
|
|
6531 |
return node;
|
|
|
6532 |
}
|
|
|
6533 |
var parent = node.parentNode;
|
|
|
6534 |
if (parent && parent.nodeType == 1) {
|
|
|
6535 |
return parent;
|
|
|
6536 |
}
|
|
|
6537 |
return null;
|
|
|
6538 |
}
|
|
|
6539 |
|
|
|
6540 |
// Adpated from Aryeh's code.
|
|
|
6541 |
// "A whitespace node is either a Text node whose data is the empty string; or
|
|
|
6542 |
// a Text node whose data consists only of one or more tabs (0x0009), line
|
|
|
6543 |
// feeds (0x000A), carriage returns (0x000D), and/or spaces (0x0020), and whose
|
|
|
6544 |
// parent is an Element whose resolved value for "white-space" is "normal" or
|
|
|
6545 |
// "nowrap"; or a Text node whose data consists only of one or more tabs
|
|
|
6546 |
// (0x0009), carriage returns (0x000D), and/or spaces (0x0020), and whose
|
|
|
6547 |
// parent is an Element whose resolved value for "white-space" is "pre-line"."
|
|
|
6548 |
function isWhitespaceNode(node) {
|
|
|
6549 |
if (!node || node.nodeType != 3) {
|
|
|
6550 |
return false;
|
|
|
6551 |
}
|
|
|
6552 |
var text = node.data;
|
|
|
6553 |
if (text === "") {
|
|
|
6554 |
return true;
|
|
|
6555 |
}
|
|
|
6556 |
var parent = node.parentNode;
|
|
|
6557 |
if (!parent || parent.nodeType != 1) {
|
|
|
6558 |
return false;
|
|
|
6559 |
}
|
|
|
6560 |
var computedWhiteSpace = getComputedStyleProperty(node.parentNode, "whiteSpace");
|
|
|
6561 |
|
|
|
6562 |
return (/^[\t\n\r ]+$/.test(text) && /^(normal|nowrap)$/.test(computedWhiteSpace)) ||
|
|
|
6563 |
(/^[\t\r ]+$/.test(text) && computedWhiteSpace == "pre-line");
|
|
|
6564 |
}
|
|
|
6565 |
|
|
|
6566 |
// Adpated from Aryeh's code.
|
|
|
6567 |
// "node is a collapsed whitespace node if the following algorithm returns
|
|
|
6568 |
// true:"
|
|
|
6569 |
function isCollapsedWhitespaceNode(node) {
|
|
|
6570 |
// "If node's data is the empty string, return true."
|
|
|
6571 |
if (node.data === "") {
|
|
|
6572 |
return true;
|
|
|
6573 |
}
|
|
|
6574 |
|
|
|
6575 |
// "If node is not a whitespace node, return false."
|
|
|
6576 |
if (!isWhitespaceNode(node)) {
|
|
|
6577 |
return false;
|
|
|
6578 |
}
|
|
|
6579 |
|
|
|
6580 |
// "Let ancestor be node's parent."
|
|
|
6581 |
var ancestor = node.parentNode;
|
|
|
6582 |
|
|
|
6583 |
// "If ancestor is null, return true."
|
|
|
6584 |
if (!ancestor) {
|
|
|
6585 |
return true;
|
|
|
6586 |
}
|
|
|
6587 |
|
|
|
6588 |
// "If the "display" property of some ancestor of node has resolved value "none", return true."
|
|
|
6589 |
if (isHidden(node)) {
|
|
|
6590 |
return true;
|
|
|
6591 |
}
|
|
|
6592 |
|
|
|
6593 |
return false;
|
|
|
6594 |
}
|
|
|
6595 |
|
|
|
6596 |
function isCollapsedNode(node) {
|
|
|
6597 |
var type = node.nodeType;
|
|
|
6598 |
return type == 7 /* PROCESSING_INSTRUCTION */ ||
|
|
|
6599 |
type == 8 /* COMMENT */ ||
|
|
|
6600 |
isHidden(node) ||
|
|
|
6601 |
/^(script|style)$/i.test(node.nodeName) ||
|
|
|
6602 |
isVisibilityHiddenTextNode(node) ||
|
|
|
6603 |
isCollapsedWhitespaceNode(node);
|
|
|
6604 |
}
|
|
|
6605 |
|
|
|
6606 |
function isIgnoredNode(node, win) {
|
|
|
6607 |
var type = node.nodeType;
|
|
|
6608 |
return type == 7 /* PROCESSING_INSTRUCTION */ ||
|
|
|
6609 |
type == 8 /* COMMENT */ ||
|
|
|
6610 |
(type == 1 && getComputedDisplay(node, win) == "none");
|
|
|
6611 |
}
|
|
|
6612 |
|
|
|
6613 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
6614 |
|
|
|
6615 |
// Possibly overengineered caching system to prevent repeated DOM calls slowing everything down
|
|
|
6616 |
|
|
|
6617 |
function Cache() {
|
|
|
6618 |
this.store = {};
|
|
|
6619 |
}
|
|
|
6620 |
|
|
|
6621 |
Cache.prototype = {
|
|
|
6622 |
get: function(key) {
|
|
|
6623 |
return this.store.hasOwnProperty(key) ? this.store[key] : null;
|
|
|
6624 |
},
|
|
|
6625 |
|
|
|
6626 |
set: function(key, value) {
|
|
|
6627 |
return this.store[key] = value;
|
|
|
6628 |
}
|
|
|
6629 |
};
|
|
|
6630 |
|
|
|
6631 |
var cachedCount = 0, uncachedCount = 0;
|
|
|
6632 |
|
|
|
6633 |
function createCachingGetter(methodName, func, objProperty) {
|
|
|
6634 |
return function(args) {
|
|
|
6635 |
var cache = this.cache;
|
|
|
6636 |
if (cache.hasOwnProperty(methodName)) {
|
|
|
6637 |
cachedCount++;
|
|
|
6638 |
return cache[methodName];
|
|
|
6639 |
} else {
|
|
|
6640 |
uncachedCount++;
|
|
|
6641 |
var value = func.call(this, objProperty ? this[objProperty] : this, args);
|
|
|
6642 |
cache[methodName] = value;
|
|
|
6643 |
return value;
|
|
|
6644 |
}
|
|
|
6645 |
};
|
|
|
6646 |
}
|
|
|
6647 |
|
|
|
6648 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
6649 |
|
|
|
6650 |
function NodeWrapper(node, session) {
|
|
|
6651 |
this.node = node;
|
|
|
6652 |
this.session = session;
|
|
|
6653 |
this.cache = new Cache();
|
|
|
6654 |
this.positions = new Cache();
|
|
|
6655 |
}
|
|
|
6656 |
|
|
|
6657 |
var nodeProto = {
|
|
|
6658 |
getPosition: function(offset) {
|
|
|
6659 |
var positions = this.positions;
|
|
|
6660 |
return positions.get(offset) || positions.set(offset, new Position(this, offset));
|
|
|
6661 |
},
|
|
|
6662 |
|
|
|
6663 |
toString: function() {
|
|
|
6664 |
return "[NodeWrapper(" + dom.inspectNode(this.node) + ")]";
|
|
|
6665 |
}
|
|
|
6666 |
};
|
|
|
6667 |
|
|
|
6668 |
NodeWrapper.prototype = nodeProto;
|
|
|
6669 |
|
|
|
6670 |
var EMPTY = "EMPTY",
|
|
|
6671 |
NON_SPACE = "NON_SPACE",
|
|
|
6672 |
UNCOLLAPSIBLE_SPACE = "UNCOLLAPSIBLE_SPACE",
|
|
|
6673 |
COLLAPSIBLE_SPACE = "COLLAPSIBLE_SPACE",
|
|
|
6674 |
TRAILING_SPACE_BEFORE_BLOCK = "TRAILING_SPACE_BEFORE_BLOCK",
|
|
|
6675 |
TRAILING_SPACE_IN_BLOCK = "TRAILING_SPACE_IN_BLOCK",
|
|
|
6676 |
TRAILING_SPACE_BEFORE_BR = "TRAILING_SPACE_BEFORE_BR",
|
|
|
6677 |
PRE_LINE_TRAILING_SPACE_BEFORE_LINE_BREAK = "PRE_LINE_TRAILING_SPACE_BEFORE_LINE_BREAK",
|
|
|
6678 |
TRAILING_LINE_BREAK_AFTER_BR = "TRAILING_LINE_BREAK_AFTER_BR",
|
|
|
6679 |
INCLUDED_TRAILING_LINE_BREAK_AFTER_BR = "INCLUDED_TRAILING_LINE_BREAK_AFTER_BR";
|
|
|
6680 |
|
|
|
6681 |
extend(nodeProto, {
|
|
|
6682 |
isCharacterDataNode: createCachingGetter("isCharacterDataNode", dom.isCharacterDataNode, "node"),
|
|
|
6683 |
getNodeIndex: createCachingGetter("nodeIndex", dom.getNodeIndex, "node"),
|
|
|
6684 |
getLength: createCachingGetter("nodeLength", dom.getNodeLength, "node"),
|
|
|
6685 |
containsPositions: createCachingGetter("containsPositions", containsPositions, "node"),
|
|
|
6686 |
isWhitespace: createCachingGetter("isWhitespace", isWhitespaceNode, "node"),
|
|
|
6687 |
isCollapsedWhitespace: createCachingGetter("isCollapsedWhitespace", isCollapsedWhitespaceNode, "node"),
|
|
|
6688 |
getComputedDisplay: createCachingGetter("computedDisplay", getComputedDisplay, "node"),
|
|
|
6689 |
isCollapsed: createCachingGetter("collapsed", isCollapsedNode, "node"),
|
|
|
6690 |
isIgnored: createCachingGetter("ignored", isIgnoredNode, "node"),
|
|
|
6691 |
next: createCachingGetter("nextPos", nextNode, "node"),
|
|
|
6692 |
previous: createCachingGetter("previous", previousNode, "node"),
|
|
|
6693 |
|
|
|
6694 |
getTextNodeInfo: createCachingGetter("textNodeInfo", function(textNode) {
|
|
|
6695 |
var spaceRegex = null, collapseSpaces = false;
|
|
|
6696 |
var cssWhitespace = getComputedStyleProperty(textNode.parentNode, "whiteSpace");
|
|
|
6697 |
var preLine = (cssWhitespace == "pre-line");
|
|
|
6698 |
if (preLine) {
|
|
|
6699 |
spaceRegex = spacesMinusLineBreaksRegex;
|
|
|
6700 |
collapseSpaces = true;
|
|
|
6701 |
} else if (cssWhitespace == "normal" || cssWhitespace == "nowrap") {
|
|
|
6702 |
spaceRegex = spacesRegex;
|
|
|
6703 |
collapseSpaces = true;
|
|
|
6704 |
}
|
|
|
6705 |
|
|
|
6706 |
return {
|
|
|
6707 |
node: textNode,
|
|
|
6708 |
text: textNode.data,
|
|
|
6709 |
spaceRegex: spaceRegex,
|
|
|
6710 |
collapseSpaces: collapseSpaces,
|
|
|
6711 |
preLine: preLine
|
|
|
6712 |
};
|
|
|
6713 |
}, "node"),
|
|
|
6714 |
|
|
|
6715 |
hasInnerText: createCachingGetter("hasInnerText", function(el, backward) {
|
|
|
6716 |
var session = this.session;
|
|
|
6717 |
var posAfterEl = session.getPosition(el.parentNode, this.getNodeIndex() + 1);
|
|
|
6718 |
var firstPosInEl = session.getPosition(el, 0);
|
|
|
6719 |
|
|
|
6720 |
var pos = backward ? posAfterEl : firstPosInEl;
|
|
|
6721 |
var endPos = backward ? firstPosInEl : posAfterEl;
|
|
|
6722 |
|
|
|
6723 |
/*
|
|
|
6724 |
<body><p>X </p><p>Y</p></body>
|
|
|
6725 |
|
|
|
6726 |
Positions:
|
|
|
6727 |
|
|
|
6728 |
body:0:""
|
|
|
6729 |
p:0:""
|
|
|
6730 |
text:0:""
|
|
|
6731 |
text:1:"X"
|
|
|
6732 |
text:2:TRAILING_SPACE_IN_BLOCK
|
|
|
6733 |
text:3:COLLAPSED_SPACE
|
|
|
6734 |
p:1:""
|
|
|
6735 |
body:1:"\n"
|
|
|
6736 |
p:0:""
|
|
|
6737 |
text:0:""
|
|
|
6738 |
text:1:"Y"
|
|
|
6739 |
|
|
|
6740 |
A character is a TRAILING_SPACE_IN_BLOCK iff:
|
|
|
6741 |
|
|
|
6742 |
- There is no uncollapsed character after it within the visible containing block element
|
|
|
6743 |
|
|
|
6744 |
A character is a TRAILING_SPACE_BEFORE_BR iff:
|
|
|
6745 |
|
|
|
6746 |
- There is no uncollapsed character after it preceding a <br> element
|
|
|
6747 |
|
|
|
6748 |
An element has inner text iff
|
|
|
6749 |
|
|
|
6750 |
- It is not hidden
|
|
|
6751 |
- It contains an uncollapsed character
|
|
|
6752 |
|
|
|
6753 |
All trailing spaces (pre-line, before <br>, end of block) require definite non-empty characters to render.
|
|
|
6754 |
*/
|
|
|
6755 |
|
|
|
6756 |
while (pos !== endPos) {
|
|
|
6757 |
pos.prepopulateChar();
|
|
|
6758 |
if (pos.isDefinitelyNonEmpty()) {
|
|
|
6759 |
return true;
|
|
|
6760 |
}
|
|
|
6761 |
pos = backward ? pos.previousVisible() : pos.nextVisible();
|
|
|
6762 |
}
|
|
|
6763 |
|
|
|
6764 |
return false;
|
|
|
6765 |
}, "node"),
|
|
|
6766 |
|
|
|
6767 |
isRenderedBlock: createCachingGetter("isRenderedBlock", function(el) {
|
|
|
6768 |
// Ensure that a block element containing a <br> is considered to have inner text
|
|
|
6769 |
var brs = el.getElementsByTagName("br");
|
|
|
6770 |
for (var i = 0, len = brs.length; i < len; ++i) {
|
|
|
6771 |
if (!isCollapsedNode(brs[i])) {
|
|
|
6772 |
return true;
|
|
|
6773 |
}
|
|
|
6774 |
}
|
|
|
6775 |
return this.hasInnerText();
|
|
|
6776 |
}, "node"),
|
|
|
6777 |
|
|
|
6778 |
getTrailingSpace: createCachingGetter("trailingSpace", function(el) {
|
|
|
6779 |
if (el.tagName.toLowerCase() == "br") {
|
|
|
6780 |
return "";
|
|
|
6781 |
} else {
|
|
|
6782 |
switch (this.getComputedDisplay()) {
|
|
|
6783 |
case "inline":
|
|
|
6784 |
var child = el.lastChild;
|
|
|
6785 |
while (child) {
|
|
|
6786 |
if (!isIgnoredNode(child)) {
|
|
|
6787 |
return (child.nodeType == 1) ? this.session.getNodeWrapper(child).getTrailingSpace() : "";
|
|
|
6788 |
}
|
|
|
6789 |
child = child.previousSibling;
|
|
|
6790 |
}
|
|
|
6791 |
break;
|
|
|
6792 |
case "inline-block":
|
|
|
6793 |
case "inline-table":
|
|
|
6794 |
case "none":
|
|
|
6795 |
case "table-column":
|
|
|
6796 |
case "table-column-group":
|
|
|
6797 |
break;
|
|
|
6798 |
case "table-cell":
|
|
|
6799 |
return "\t";
|
|
|
6800 |
default:
|
|
|
6801 |
return this.isRenderedBlock(true) ? "\n" : "";
|
|
|
6802 |
}
|
|
|
6803 |
}
|
|
|
6804 |
return "";
|
|
|
6805 |
}, "node"),
|
|
|
6806 |
|
|
|
6807 |
getLeadingSpace: createCachingGetter("leadingSpace", function(el) {
|
|
|
6808 |
switch (this.getComputedDisplay()) {
|
|
|
6809 |
case "inline":
|
|
|
6810 |
case "inline-block":
|
|
|
6811 |
case "inline-table":
|
|
|
6812 |
case "none":
|
|
|
6813 |
case "table-column":
|
|
|
6814 |
case "table-column-group":
|
|
|
6815 |
case "table-cell":
|
|
|
6816 |
break;
|
|
|
6817 |
default:
|
|
|
6818 |
return this.isRenderedBlock(false) ? "\n" : "";
|
|
|
6819 |
}
|
|
|
6820 |
return "";
|
|
|
6821 |
}, "node")
|
|
|
6822 |
});
|
|
|
6823 |
|
|
|
6824 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
6825 |
|
|
|
6826 |
function Position(nodeWrapper, offset) {
|
|
|
6827 |
this.offset = offset;
|
|
|
6828 |
this.nodeWrapper = nodeWrapper;
|
|
|
6829 |
this.node = nodeWrapper.node;
|
|
|
6830 |
this.session = nodeWrapper.session;
|
|
|
6831 |
this.cache = new Cache();
|
|
|
6832 |
}
|
|
|
6833 |
|
|
|
6834 |
function inspectPosition() {
|
|
|
6835 |
return "[Position(" + dom.inspectNode(this.node) + ":" + this.offset + ")]";
|
|
|
6836 |
}
|
|
|
6837 |
|
|
|
6838 |
var positionProto = {
|
|
|
6839 |
character: "",
|
|
|
6840 |
characterType: EMPTY,
|
|
|
6841 |
isBr: false,
|
|
|
6842 |
|
|
|
6843 |
/*
|
|
|
6844 |
This method:
|
|
|
6845 |
- Fully populates positions that have characters that can be determined independently of any other characters.
|
|
|
6846 |
- Populates most types of space positions with a provisional character. The character is finalized later.
|
|
|
6847 |
*/
|
|
|
6848 |
prepopulateChar: function() {
|
|
|
6849 |
var pos = this;
|
|
|
6850 |
if (!pos.prepopulatedChar) {
|
|
|
6851 |
var node = pos.node, offset = pos.offset;
|
|
|
6852 |
var visibleChar = "", charType = EMPTY;
|
|
|
6853 |
var finalizedChar = false;
|
|
|
6854 |
if (offset > 0) {
|
|
|
6855 |
if (node.nodeType == 3) {
|
|
|
6856 |
var text = node.data;
|
|
|
6857 |
var textChar = text.charAt(offset - 1);
|
|
|
6858 |
|
|
|
6859 |
var nodeInfo = pos.nodeWrapper.getTextNodeInfo();
|
|
|
6860 |
var spaceRegex = nodeInfo.spaceRegex;
|
|
|
6861 |
if (nodeInfo.collapseSpaces) {
|
|
|
6862 |
if (spaceRegex.test(textChar)) {
|
|
|
6863 |
// "If the character at position is from set, append a single space (U+0020) to newdata and advance
|
|
|
6864 |
// position until the character at position is not from set."
|
|
|
6865 |
|
|
|
6866 |
// We also need to check for the case where we're in a pre-line and we have a space preceding a
|
|
|
6867 |
// line break, because such spaces are collapsed in some browsers
|
|
|
6868 |
if (offset > 1 && spaceRegex.test(text.charAt(offset - 2))) {
|
|
|
6869 |
} else if (nodeInfo.preLine && text.charAt(offset) === "\n") {
|
|
|
6870 |
visibleChar = " ";
|
|
|
6871 |
charType = PRE_LINE_TRAILING_SPACE_BEFORE_LINE_BREAK;
|
|
|
6872 |
} else {
|
|
|
6873 |
visibleChar = " ";
|
|
|
6874 |
//pos.checkForFollowingLineBreak = true;
|
|
|
6875 |
charType = COLLAPSIBLE_SPACE;
|
|
|
6876 |
}
|
|
|
6877 |
} else {
|
|
|
6878 |
visibleChar = textChar;
|
|
|
6879 |
charType = NON_SPACE;
|
|
|
6880 |
finalizedChar = true;
|
|
|
6881 |
}
|
|
|
6882 |
} else {
|
|
|
6883 |
visibleChar = textChar;
|
|
|
6884 |
charType = UNCOLLAPSIBLE_SPACE;
|
|
|
6885 |
finalizedChar = true;
|
|
|
6886 |
}
|
|
|
6887 |
} else {
|
|
|
6888 |
var nodePassed = node.childNodes[offset - 1];
|
|
|
6889 |
if (nodePassed && nodePassed.nodeType == 1 && !isCollapsedNode(nodePassed)) {
|
|
|
6890 |
if (nodePassed.tagName.toLowerCase() == "br") {
|
|
|
6891 |
visibleChar = "\n";
|
|
|
6892 |
pos.isBr = true;
|
|
|
6893 |
charType = COLLAPSIBLE_SPACE;
|
|
|
6894 |
finalizedChar = false;
|
|
|
6895 |
} else {
|
|
|
6896 |
pos.checkForTrailingSpace = true;
|
|
|
6897 |
}
|
|
|
6898 |
}
|
|
|
6899 |
|
|
|
6900 |
// Check the leading space of the next node for the case when a block element follows an inline
|
|
|
6901 |
// element or text node. In that case, there is an implied line break between the two nodes.
|
|
|
6902 |
if (!visibleChar) {
|
|
|
6903 |
var nextNode = node.childNodes[offset];
|
|
|
6904 |
if (nextNode && nextNode.nodeType == 1 && !isCollapsedNode(nextNode)) {
|
|
|
6905 |
pos.checkForLeadingSpace = true;
|
|
|
6906 |
}
|
|
|
6907 |
}
|
|
|
6908 |
}
|
|
|
6909 |
}
|
|
|
6910 |
|
|
|
6911 |
pos.prepopulatedChar = true;
|
|
|
6912 |
pos.character = visibleChar;
|
|
|
6913 |
pos.characterType = charType;
|
|
|
6914 |
pos.isCharInvariant = finalizedChar;
|
|
|
6915 |
}
|
|
|
6916 |
},
|
|
|
6917 |
|
|
|
6918 |
isDefinitelyNonEmpty: function() {
|
|
|
6919 |
var charType = this.characterType;
|
|
|
6920 |
return charType == NON_SPACE || charType == UNCOLLAPSIBLE_SPACE;
|
|
|
6921 |
},
|
|
|
6922 |
|
|
|
6923 |
// Resolve leading and trailing spaces, which may involve prepopulating other positions
|
|
|
6924 |
resolveLeadingAndTrailingSpaces: function() {
|
|
|
6925 |
if (!this.prepopulatedChar) {
|
|
|
6926 |
this.prepopulateChar();
|
|
|
6927 |
}
|
|
|
6928 |
if (this.checkForTrailingSpace) {
|
|
|
6929 |
var trailingSpace = this.session.getNodeWrapper(this.node.childNodes[this.offset - 1]).getTrailingSpace();
|
|
|
6930 |
if (trailingSpace) {
|
|
|
6931 |
this.isTrailingSpace = true;
|
|
|
6932 |
this.character = trailingSpace;
|
|
|
6933 |
this.characterType = COLLAPSIBLE_SPACE;
|
|
|
6934 |
}
|
|
|
6935 |
this.checkForTrailingSpace = false;
|
|
|
6936 |
}
|
|
|
6937 |
if (this.checkForLeadingSpace) {
|
|
|
6938 |
var leadingSpace = this.session.getNodeWrapper(this.node.childNodes[this.offset]).getLeadingSpace();
|
|
|
6939 |
if (leadingSpace) {
|
|
|
6940 |
this.isLeadingSpace = true;
|
|
|
6941 |
this.character = leadingSpace;
|
|
|
6942 |
this.characterType = COLLAPSIBLE_SPACE;
|
|
|
6943 |
}
|
|
|
6944 |
this.checkForLeadingSpace = false;
|
|
|
6945 |
}
|
|
|
6946 |
},
|
|
|
6947 |
|
|
|
6948 |
getPrecedingUncollapsedPosition: function(characterOptions) {
|
|
|
6949 |
var pos = this, character;
|
|
|
6950 |
while ( (pos = pos.previousVisible()) ) {
|
|
|
6951 |
character = pos.getCharacter(characterOptions);
|
|
|
6952 |
if (character !== "") {
|
|
|
6953 |
return pos;
|
|
|
6954 |
}
|
|
|
6955 |
}
|
|
|
6956 |
|
|
|
6957 |
return null;
|
|
|
6958 |
},
|
|
|
6959 |
|
|
|
6960 |
getCharacter: function(characterOptions) {
|
|
|
6961 |
this.resolveLeadingAndTrailingSpaces();
|
|
|
6962 |
|
|
|
6963 |
var thisChar = this.character, returnChar;
|
|
|
6964 |
|
|
|
6965 |
// Check if character is ignored
|
|
|
6966 |
var ignoredChars = normalizeIgnoredCharacters(characterOptions.ignoreCharacters);
|
|
|
6967 |
var isIgnoredCharacter = (thisChar !== "" && ignoredChars.indexOf(thisChar) > -1);
|
|
|
6968 |
|
|
|
6969 |
// Check if this position's character is invariant (i.e. not dependent on character options) and return it
|
|
|
6970 |
// if so
|
|
|
6971 |
if (this.isCharInvariant) {
|
|
|
6972 |
returnChar = isIgnoredCharacter ? "" : thisChar;
|
|
|
6973 |
return returnChar;
|
|
|
6974 |
}
|
|
|
6975 |
|
|
|
6976 |
var cacheKey = ["character", characterOptions.includeSpaceBeforeBr, characterOptions.includeBlockContentTrailingSpace, characterOptions.includePreLineTrailingSpace, ignoredChars].join("_");
|
|
|
6977 |
var cachedChar = this.cache.get(cacheKey);
|
|
|
6978 |
if (cachedChar !== null) {
|
|
|
6979 |
return cachedChar;
|
|
|
6980 |
}
|
|
|
6981 |
|
|
|
6982 |
// We need to actually get the character now
|
|
|
6983 |
var character = "";
|
|
|
6984 |
var collapsible = (this.characterType == COLLAPSIBLE_SPACE);
|
|
|
6985 |
|
|
|
6986 |
var nextPos, previousPos;
|
|
|
6987 |
var gotPreviousPos = false;
|
|
|
6988 |
var pos = this;
|
|
|
6989 |
|
|
|
6990 |
function getPreviousPos() {
|
|
|
6991 |
if (!gotPreviousPos) {
|
|
|
6992 |
previousPos = pos.getPrecedingUncollapsedPosition(characterOptions);
|
|
|
6993 |
gotPreviousPos = true;
|
|
|
6994 |
}
|
|
|
6995 |
return previousPos;
|
|
|
6996 |
}
|
|
|
6997 |
|
|
|
6998 |
// Disallow a collapsible space that is followed by a line break or is the last character
|
|
|
6999 |
if (collapsible) {
|
|
|
7000 |
// Allow a trailing space that we've previously determined should be included
|
|
|
7001 |
if (this.type == INCLUDED_TRAILING_LINE_BREAK_AFTER_BR) {
|
|
|
7002 |
character = "\n";
|
|
|
7003 |
}
|
|
|
7004 |
// Disallow a collapsible space that follows a trailing space or line break, or is the first character,
|
|
|
7005 |
// or follows a collapsible included space
|
|
|
7006 |
else if (thisChar == " " &&
|
|
|
7007 |
(!getPreviousPos() || previousPos.isTrailingSpace || previousPos.character == "\n" || (previousPos.character == " " && previousPos.characterType == COLLAPSIBLE_SPACE))) {
|
|
|
7008 |
}
|
|
|
7009 |
// Allow a leading line break unless it follows a line break
|
|
|
7010 |
else if (thisChar == "\n" && this.isLeadingSpace) {
|
|
|
7011 |
if (getPreviousPos() && previousPos.character != "\n") {
|
|
|
7012 |
character = "\n";
|
|
|
7013 |
} else {
|
|
|
7014 |
}
|
|
|
7015 |
} else {
|
|
|
7016 |
nextPos = this.nextUncollapsed();
|
|
|
7017 |
if (nextPos) {
|
|
|
7018 |
if (nextPos.isBr) {
|
|
|
7019 |
this.type = TRAILING_SPACE_BEFORE_BR;
|
|
|
7020 |
} else if (nextPos.isTrailingSpace && nextPos.character == "\n") {
|
|
|
7021 |
this.type = TRAILING_SPACE_IN_BLOCK;
|
|
|
7022 |
} else if (nextPos.isLeadingSpace && nextPos.character == "\n") {
|
|
|
7023 |
this.type = TRAILING_SPACE_BEFORE_BLOCK;
|
|
|
7024 |
}
|
|
|
7025 |
|
|
|
7026 |
if (nextPos.character == "\n") {
|
|
|
7027 |
if (this.type == TRAILING_SPACE_BEFORE_BR && !characterOptions.includeSpaceBeforeBr) {
|
|
|
7028 |
} else if (this.type == TRAILING_SPACE_BEFORE_BLOCK && !characterOptions.includeSpaceBeforeBlock) {
|
|
|
7029 |
} else if (this.type == TRAILING_SPACE_IN_BLOCK && nextPos.isTrailingSpace && !characterOptions.includeBlockContentTrailingSpace) {
|
|
|
7030 |
} else if (this.type == PRE_LINE_TRAILING_SPACE_BEFORE_LINE_BREAK && nextPos.type == NON_SPACE && !characterOptions.includePreLineTrailingSpace) {
|
|
|
7031 |
} else if (thisChar == "\n") {
|
|
|
7032 |
if (nextPos.isTrailingSpace) {
|
|
|
7033 |
if (this.isTrailingSpace) {
|
|
|
7034 |
} else if (this.isBr) {
|
|
|
7035 |
nextPos.type = TRAILING_LINE_BREAK_AFTER_BR;
|
|
|
7036 |
|
|
|
7037 |
if (getPreviousPos() && previousPos.isLeadingSpace && !previousPos.isTrailingSpace && previousPos.character == "\n") {
|
|
|
7038 |
nextPos.character = "";
|
|
|
7039 |
} else {
|
|
|
7040 |
nextPos.type = INCLUDED_TRAILING_LINE_BREAK_AFTER_BR;
|
|
|
7041 |
}
|
|
|
7042 |
}
|
|
|
7043 |
} else {
|
|
|
7044 |
character = "\n";
|
|
|
7045 |
}
|
|
|
7046 |
} else if (thisChar == " ") {
|
|
|
7047 |
character = " ";
|
|
|
7048 |
} else {
|
|
|
7049 |
}
|
|
|
7050 |
} else {
|
|
|
7051 |
character = thisChar;
|
|
|
7052 |
}
|
|
|
7053 |
} else {
|
|
|
7054 |
}
|
|
|
7055 |
}
|
|
|
7056 |
}
|
|
|
7057 |
|
|
|
7058 |
if (ignoredChars.indexOf(character) > -1) {
|
|
|
7059 |
character = "";
|
|
|
7060 |
}
|
|
|
7061 |
|
|
|
7062 |
|
|
|
7063 |
this.cache.set(cacheKey, character);
|
|
|
7064 |
|
|
|
7065 |
return character;
|
|
|
7066 |
},
|
|
|
7067 |
|
|
|
7068 |
equals: function(pos) {
|
|
|
7069 |
return !!pos && this.node === pos.node && this.offset === pos.offset;
|
|
|
7070 |
},
|
|
|
7071 |
|
|
|
7072 |
inspect: inspectPosition,
|
|
|
7073 |
|
|
|
7074 |
toString: function() {
|
|
|
7075 |
return this.character;
|
|
|
7076 |
}
|
|
|
7077 |
};
|
|
|
7078 |
|
|
|
7079 |
Position.prototype = positionProto;
|
|
|
7080 |
|
|
|
7081 |
extend(positionProto, {
|
|
|
7082 |
next: createCachingGetter("nextPos", function(pos) {
|
|
|
7083 |
var nodeWrapper = pos.nodeWrapper, node = pos.node, offset = pos.offset, session = nodeWrapper.session;
|
|
|
7084 |
if (!node) {
|
|
|
7085 |
return null;
|
|
|
7086 |
}
|
|
|
7087 |
var nextNode, nextOffset, child;
|
|
|
7088 |
if (offset == nodeWrapper.getLength()) {
|
|
|
7089 |
// Move onto the next node
|
|
|
7090 |
nextNode = node.parentNode;
|
|
|
7091 |
nextOffset = nextNode ? nodeWrapper.getNodeIndex() + 1 : 0;
|
|
|
7092 |
} else {
|
|
|
7093 |
if (nodeWrapper.isCharacterDataNode()) {
|
|
|
7094 |
nextNode = node;
|
|
|
7095 |
nextOffset = offset + 1;
|
|
|
7096 |
} else {
|
|
|
7097 |
child = node.childNodes[offset];
|
|
|
7098 |
// Go into the children next, if children there are
|
|
|
7099 |
if (session.getNodeWrapper(child).containsPositions()) {
|
|
|
7100 |
nextNode = child;
|
|
|
7101 |
nextOffset = 0;
|
|
|
7102 |
} else {
|
|
|
7103 |
nextNode = node;
|
|
|
7104 |
nextOffset = offset + 1;
|
|
|
7105 |
}
|
|
|
7106 |
}
|
|
|
7107 |
}
|
|
|
7108 |
|
|
|
7109 |
return nextNode ? session.getPosition(nextNode, nextOffset) : null;
|
|
|
7110 |
}),
|
|
|
7111 |
|
|
|
7112 |
previous: createCachingGetter("previous", function(pos) {
|
|
|
7113 |
var nodeWrapper = pos.nodeWrapper, node = pos.node, offset = pos.offset, session = nodeWrapper.session;
|
|
|
7114 |
var previousNode, previousOffset, child;
|
|
|
7115 |
if (offset == 0) {
|
|
|
7116 |
previousNode = node.parentNode;
|
|
|
7117 |
previousOffset = previousNode ? nodeWrapper.getNodeIndex() : 0;
|
|
|
7118 |
} else {
|
|
|
7119 |
if (nodeWrapper.isCharacterDataNode()) {
|
|
|
7120 |
previousNode = node;
|
|
|
7121 |
previousOffset = offset - 1;
|
|
|
7122 |
} else {
|
|
|
7123 |
child = node.childNodes[offset - 1];
|
|
|
7124 |
// Go into the children next, if children there are
|
|
|
7125 |
if (session.getNodeWrapper(child).containsPositions()) {
|
|
|
7126 |
previousNode = child;
|
|
|
7127 |
previousOffset = dom.getNodeLength(child);
|
|
|
7128 |
} else {
|
|
|
7129 |
previousNode = node;
|
|
|
7130 |
previousOffset = offset - 1;
|
|
|
7131 |
}
|
|
|
7132 |
}
|
|
|
7133 |
}
|
|
|
7134 |
return previousNode ? session.getPosition(previousNode, previousOffset) : null;
|
|
|
7135 |
}),
|
|
|
7136 |
|
|
|
7137 |
/*
|
|
|
7138 |
Next and previous position moving functions that filter out
|
|
|
7139 |
|
|
|
7140 |
- Hidden (CSS visibility/display) elements
|
|
|
7141 |
- Script and style elements
|
|
|
7142 |
*/
|
|
|
7143 |
nextVisible: createCachingGetter("nextVisible", function(pos) {
|
|
|
7144 |
var next = pos.next();
|
|
|
7145 |
if (!next) {
|
|
|
7146 |
return null;
|
|
|
7147 |
}
|
|
|
7148 |
var nodeWrapper = next.nodeWrapper, node = next.node;
|
|
|
7149 |
var newPos = next;
|
|
|
7150 |
if (nodeWrapper.isCollapsed()) {
|
|
|
7151 |
// We're skipping this node and all its descendants
|
|
|
7152 |
newPos = nodeWrapper.session.getPosition(node.parentNode, nodeWrapper.getNodeIndex() + 1);
|
|
|
7153 |
}
|
|
|
7154 |
return newPos;
|
|
|
7155 |
}),
|
|
|
7156 |
|
|
|
7157 |
nextUncollapsed: createCachingGetter("nextUncollapsed", function(pos) {
|
|
|
7158 |
var nextPos = pos;
|
|
|
7159 |
while ( (nextPos = nextPos.nextVisible()) ) {
|
|
|
7160 |
nextPos.resolveLeadingAndTrailingSpaces();
|
|
|
7161 |
if (nextPos.character !== "") {
|
|
|
7162 |
return nextPos;
|
|
|
7163 |
}
|
|
|
7164 |
}
|
|
|
7165 |
return null;
|
|
|
7166 |
}),
|
|
|
7167 |
|
|
|
7168 |
previousVisible: createCachingGetter("previousVisible", function(pos) {
|
|
|
7169 |
var previous = pos.previous();
|
|
|
7170 |
if (!previous) {
|
|
|
7171 |
return null;
|
|
|
7172 |
}
|
|
|
7173 |
var nodeWrapper = previous.nodeWrapper, node = previous.node;
|
|
|
7174 |
var newPos = previous;
|
|
|
7175 |
if (nodeWrapper.isCollapsed()) {
|
|
|
7176 |
// We're skipping this node and all its descendants
|
|
|
7177 |
newPos = nodeWrapper.session.getPosition(node.parentNode, nodeWrapper.getNodeIndex());
|
|
|
7178 |
}
|
|
|
7179 |
return newPos;
|
|
|
7180 |
})
|
|
|
7181 |
});
|
|
|
7182 |
|
|
|
7183 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
7184 |
|
|
|
7185 |
var currentSession = null;
|
|
|
7186 |
|
|
|
7187 |
var Session = (function() {
|
|
|
7188 |
function createWrapperCache(nodeProperty) {
|
|
|
7189 |
var cache = new Cache();
|
|
|
7190 |
|
|
|
7191 |
return {
|
|
|
7192 |
get: function(node) {
|
|
|
7193 |
var wrappersByProperty = cache.get(node[nodeProperty]);
|
|
|
7194 |
if (wrappersByProperty) {
|
|
|
7195 |
for (var i = 0, wrapper; wrapper = wrappersByProperty[i++]; ) {
|
|
|
7196 |
if (wrapper.node === node) {
|
|
|
7197 |
return wrapper;
|
|
|
7198 |
}
|
|
|
7199 |
}
|
|
|
7200 |
}
|
|
|
7201 |
return null;
|
|
|
7202 |
},
|
|
|
7203 |
|
|
|
7204 |
set: function(nodeWrapper) {
|
|
|
7205 |
var property = nodeWrapper.node[nodeProperty];
|
|
|
7206 |
var wrappersByProperty = cache.get(property) || cache.set(property, []);
|
|
|
7207 |
wrappersByProperty.push(nodeWrapper);
|
|
|
7208 |
}
|
|
|
7209 |
};
|
|
|
7210 |
}
|
|
|
7211 |
|
|
|
7212 |
var uniqueIDSupported = util.isHostProperty(document.documentElement, "uniqueID");
|
|
|
7213 |
|
|
|
7214 |
function Session() {
|
|
|
7215 |
this.initCaches();
|
|
|
7216 |
}
|
|
|
7217 |
|
|
|
7218 |
Session.prototype = {
|
|
|
7219 |
initCaches: function() {
|
|
|
7220 |
this.elementCache = uniqueIDSupported ? (function() {
|
|
|
7221 |
var elementsCache = new Cache();
|
|
|
7222 |
|
|
|
7223 |
return {
|
|
|
7224 |
get: function(el) {
|
|
|
7225 |
return elementsCache.get(el.uniqueID);
|
|
|
7226 |
},
|
|
|
7227 |
|
|
|
7228 |
set: function(elWrapper) {
|
|
|
7229 |
elementsCache.set(elWrapper.node.uniqueID, elWrapper);
|
|
|
7230 |
}
|
|
|
7231 |
};
|
|
|
7232 |
})() : createWrapperCache("tagName");
|
|
|
7233 |
|
|
|
7234 |
// Store text nodes keyed by data, although we may need to truncate this
|
|
|
7235 |
this.textNodeCache = createWrapperCache("data");
|
|
|
7236 |
this.otherNodeCache = createWrapperCache("nodeName");
|
|
|
7237 |
},
|
|
|
7238 |
|
|
|
7239 |
getNodeWrapper: function(node) {
|
|
|
7240 |
var wrapperCache;
|
|
|
7241 |
switch (node.nodeType) {
|
|
|
7242 |
case 1:
|
|
|
7243 |
wrapperCache = this.elementCache;
|
|
|
7244 |
break;
|
|
|
7245 |
case 3:
|
|
|
7246 |
wrapperCache = this.textNodeCache;
|
|
|
7247 |
break;
|
|
|
7248 |
default:
|
|
|
7249 |
wrapperCache = this.otherNodeCache;
|
|
|
7250 |
break;
|
|
|
7251 |
}
|
|
|
7252 |
|
|
|
7253 |
var wrapper = wrapperCache.get(node);
|
|
|
7254 |
if (!wrapper) {
|
|
|
7255 |
wrapper = new NodeWrapper(node, this);
|
|
|
7256 |
wrapperCache.set(wrapper);
|
|
|
7257 |
}
|
|
|
7258 |
return wrapper;
|
|
|
7259 |
},
|
|
|
7260 |
|
|
|
7261 |
getPosition: function(node, offset) {
|
|
|
7262 |
return this.getNodeWrapper(node).getPosition(offset);
|
|
|
7263 |
},
|
|
|
7264 |
|
|
|
7265 |
getRangeBoundaryPosition: function(range, isStart) {
|
|
|
7266 |
var prefix = isStart ? "start" : "end";
|
|
|
7267 |
return this.getPosition(range[prefix + "Container"], range[prefix + "Offset"]);
|
|
|
7268 |
},
|
|
|
7269 |
|
|
|
7270 |
detach: function() {
|
|
|
7271 |
this.elementCache = this.textNodeCache = this.otherNodeCache = null;
|
|
|
7272 |
}
|
|
|
7273 |
};
|
|
|
7274 |
|
|
|
7275 |
return Session;
|
|
|
7276 |
})();
|
|
|
7277 |
|
|
|
7278 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
7279 |
|
|
|
7280 |
function startSession() {
|
|
|
7281 |
endSession();
|
|
|
7282 |
return (currentSession = new Session());
|
|
|
7283 |
}
|
|
|
7284 |
|
|
|
7285 |
function getSession() {
|
|
|
7286 |
return currentSession || startSession();
|
|
|
7287 |
}
|
|
|
7288 |
|
|
|
7289 |
function endSession() {
|
|
|
7290 |
if (currentSession) {
|
|
|
7291 |
currentSession.detach();
|
|
|
7292 |
}
|
|
|
7293 |
currentSession = null;
|
|
|
7294 |
}
|
|
|
7295 |
|
|
|
7296 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
7297 |
|
|
|
7298 |
// Extensions to the rangy.dom utility object
|
|
|
7299 |
|
|
|
7300 |
extend(dom, {
|
|
|
7301 |
nextNode: nextNode,
|
|
|
7302 |
previousNode: previousNode
|
|
|
7303 |
});
|
|
|
7304 |
|
|
|
7305 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
7306 |
|
|
|
7307 |
function createCharacterIterator(startPos, backward, endPos, characterOptions) {
|
|
|
7308 |
|
|
|
7309 |
// Adjust the end position to ensure that it is actually reached
|
|
|
7310 |
if (endPos) {
|
|
|
7311 |
if (backward) {
|
|
|
7312 |
if (isCollapsedNode(endPos.node)) {
|
|
|
7313 |
endPos = startPos.previousVisible();
|
|
|
7314 |
}
|
|
|
7315 |
} else {
|
|
|
7316 |
if (isCollapsedNode(endPos.node)) {
|
|
|
7317 |
endPos = endPos.nextVisible();
|
|
|
7318 |
}
|
|
|
7319 |
}
|
|
|
7320 |
}
|
|
|
7321 |
|
|
|
7322 |
var pos = startPos, finished = false;
|
|
|
7323 |
|
|
|
7324 |
function next() {
|
|
|
7325 |
var charPos = null;
|
|
|
7326 |
if (backward) {
|
|
|
7327 |
charPos = pos;
|
|
|
7328 |
if (!finished) {
|
|
|
7329 |
pos = pos.previousVisible();
|
|
|
7330 |
finished = !pos || (endPos && pos.equals(endPos));
|
|
|
7331 |
}
|
|
|
7332 |
} else {
|
|
|
7333 |
if (!finished) {
|
|
|
7334 |
charPos = pos = pos.nextVisible();
|
|
|
7335 |
finished = !pos || (endPos && pos.equals(endPos));
|
|
|
7336 |
}
|
|
|
7337 |
}
|
|
|
7338 |
if (finished) {
|
|
|
7339 |
pos = null;
|
|
|
7340 |
}
|
|
|
7341 |
return charPos;
|
|
|
7342 |
}
|
|
|
7343 |
|
|
|
7344 |
var previousTextPos, returnPreviousTextPos = false;
|
|
|
7345 |
|
|
|
7346 |
return {
|
|
|
7347 |
next: function() {
|
|
|
7348 |
if (returnPreviousTextPos) {
|
|
|
7349 |
returnPreviousTextPos = false;
|
|
|
7350 |
return previousTextPos;
|
|
|
7351 |
} else {
|
|
|
7352 |
var pos, character;
|
|
|
7353 |
while ( (pos = next()) ) {
|
|
|
7354 |
character = pos.getCharacter(characterOptions);
|
|
|
7355 |
if (character) {
|
|
|
7356 |
previousTextPos = pos;
|
|
|
7357 |
return pos;
|
|
|
7358 |
}
|
|
|
7359 |
}
|
|
|
7360 |
return null;
|
|
|
7361 |
}
|
|
|
7362 |
},
|
|
|
7363 |
|
|
|
7364 |
rewind: function() {
|
|
|
7365 |
if (previousTextPos) {
|
|
|
7366 |
returnPreviousTextPos = true;
|
|
|
7367 |
} else {
|
|
|
7368 |
throw module.createError("createCharacterIterator: cannot rewind. Only one position can be rewound.");
|
|
|
7369 |
}
|
|
|
7370 |
},
|
|
|
7371 |
|
|
|
7372 |
dispose: function() {
|
|
|
7373 |
startPos = endPos = null;
|
|
|
7374 |
}
|
|
|
7375 |
};
|
|
|
7376 |
}
|
|
|
7377 |
|
|
|
7378 |
var arrayIndexOf = Array.prototype.indexOf ?
|
|
|
7379 |
function(arr, val) {
|
|
|
7380 |
return arr.indexOf(val);
|
|
|
7381 |
} :
|
|
|
7382 |
function(arr, val) {
|
|
|
7383 |
for (var i = 0, len = arr.length; i < len; ++i) {
|
|
|
7384 |
if (arr[i] === val) {
|
|
|
7385 |
return i;
|
|
|
7386 |
}
|
|
|
7387 |
}
|
|
|
7388 |
return -1;
|
|
|
7389 |
};
|
|
|
7390 |
|
|
|
7391 |
// Provides a pair of iterators over text positions, tokenized. Transparently requests more text when next()
|
|
|
7392 |
// is called and there is no more tokenized text
|
|
|
7393 |
function createTokenizedTextProvider(pos, characterOptions, wordOptions) {
|
|
|
7394 |
var forwardIterator = createCharacterIterator(pos, false, null, characterOptions);
|
|
|
7395 |
var backwardIterator = createCharacterIterator(pos, true, null, characterOptions);
|
|
|
7396 |
var tokenizer = wordOptions.tokenizer;
|
|
|
7397 |
|
|
|
7398 |
// Consumes a word and the whitespace beyond it
|
|
|
7399 |
function consumeWord(forward) {
|
|
|
7400 |
var pos, textChar;
|
|
|
7401 |
var newChars = [], it = forward ? forwardIterator : backwardIterator;
|
|
|
7402 |
|
|
|
7403 |
var passedWordBoundary = false, insideWord = false;
|
|
|
7404 |
|
|
|
7405 |
while ( (pos = it.next()) ) {
|
|
|
7406 |
textChar = pos.character;
|
|
|
7407 |
|
|
|
7408 |
|
|
|
7409 |
if (allWhiteSpaceRegex.test(textChar)) {
|
|
|
7410 |
if (insideWord) {
|
|
|
7411 |
insideWord = false;
|
|
|
7412 |
passedWordBoundary = true;
|
|
|
7413 |
}
|
|
|
7414 |
} else {
|
|
|
7415 |
if (passedWordBoundary) {
|
|
|
7416 |
it.rewind();
|
|
|
7417 |
break;
|
|
|
7418 |
} else {
|
|
|
7419 |
insideWord = true;
|
|
|
7420 |
}
|
|
|
7421 |
}
|
|
|
7422 |
newChars.push(pos);
|
|
|
7423 |
}
|
|
|
7424 |
|
|
|
7425 |
|
|
|
7426 |
return newChars;
|
|
|
7427 |
}
|
|
|
7428 |
|
|
|
7429 |
// Get initial word surrounding initial position and tokenize it
|
|
|
7430 |
var forwardChars = consumeWord(true);
|
|
|
7431 |
var backwardChars = consumeWord(false).reverse();
|
|
|
7432 |
var tokens = tokenize(backwardChars.concat(forwardChars), wordOptions, tokenizer);
|
|
|
7433 |
|
|
|
7434 |
// Create initial token buffers
|
|
|
7435 |
var forwardTokensBuffer = forwardChars.length ?
|
|
|
7436 |
tokens.slice(arrayIndexOf(tokens, forwardChars[0].token)) : [];
|
|
|
7437 |
|
|
|
7438 |
var backwardTokensBuffer = backwardChars.length ?
|
|
|
7439 |
tokens.slice(0, arrayIndexOf(tokens, backwardChars.pop().token) + 1) : [];
|
|
|
7440 |
|
|
|
7441 |
function inspectBuffer(buffer) {
|
|
|
7442 |
var textPositions = ["[" + buffer.length + "]"];
|
|
|
7443 |
for (var i = 0; i < buffer.length; ++i) {
|
|
|
7444 |
textPositions.push("(word: " + buffer[i] + ", is word: " + buffer[i].isWord + ")");
|
|
|
7445 |
}
|
|
|
7446 |
return textPositions;
|
|
|
7447 |
}
|
|
|
7448 |
|
|
|
7449 |
|
|
|
7450 |
return {
|
|
|
7451 |
nextEndToken: function() {
|
|
|
7452 |
var lastToken, forwardChars;
|
|
|
7453 |
|
|
|
7454 |
// If we're down to the last token, consume character chunks until we have a word or run out of
|
|
|
7455 |
// characters to consume
|
|
|
7456 |
while ( forwardTokensBuffer.length == 1 &&
|
|
|
7457 |
!(lastToken = forwardTokensBuffer[0]).isWord &&
|
|
|
7458 |
(forwardChars = consumeWord(true)).length > 0) {
|
|
|
7459 |
|
|
|
7460 |
// Merge trailing non-word into next word and tokenize
|
|
|
7461 |
forwardTokensBuffer = tokenize(lastToken.chars.concat(forwardChars), wordOptions, tokenizer);
|
|
|
7462 |
}
|
|
|
7463 |
|
|
|
7464 |
return forwardTokensBuffer.shift();
|
|
|
7465 |
},
|
|
|
7466 |
|
|
|
7467 |
previousStartToken: function() {
|
|
|
7468 |
var lastToken, backwardChars;
|
|
|
7469 |
|
|
|
7470 |
// If we're down to the last token, consume character chunks until we have a word or run out of
|
|
|
7471 |
// characters to consume
|
|
|
7472 |
while ( backwardTokensBuffer.length == 1 &&
|
|
|
7473 |
!(lastToken = backwardTokensBuffer[0]).isWord &&
|
|
|
7474 |
(backwardChars = consumeWord(false)).length > 0) {
|
|
|
7475 |
|
|
|
7476 |
// Merge leading non-word into next word and tokenize
|
|
|
7477 |
backwardTokensBuffer = tokenize(backwardChars.reverse().concat(lastToken.chars), wordOptions, tokenizer);
|
|
|
7478 |
}
|
|
|
7479 |
|
|
|
7480 |
return backwardTokensBuffer.pop();
|
|
|
7481 |
},
|
|
|
7482 |
|
|
|
7483 |
dispose: function() {
|
|
|
7484 |
forwardIterator.dispose();
|
|
|
7485 |
backwardIterator.dispose();
|
|
|
7486 |
forwardTokensBuffer = backwardTokensBuffer = null;
|
|
|
7487 |
}
|
|
|
7488 |
};
|
|
|
7489 |
}
|
|
|
7490 |
|
|
|
7491 |
function movePositionBy(pos, unit, count, characterOptions, wordOptions) {
|
|
|
7492 |
var unitsMoved = 0, currentPos, newPos = pos, charIterator, nextPos, absCount = Math.abs(count), token;
|
|
|
7493 |
if (count !== 0) {
|
|
|
7494 |
var backward = (count < 0);
|
|
|
7495 |
|
|
|
7496 |
switch (unit) {
|
|
|
7497 |
case CHARACTER:
|
|
|
7498 |
charIterator = createCharacterIterator(pos, backward, null, characterOptions);
|
|
|
7499 |
while ( (currentPos = charIterator.next()) && unitsMoved < absCount ) {
|
|
|
7500 |
++unitsMoved;
|
|
|
7501 |
newPos = currentPos;
|
|
|
7502 |
}
|
|
|
7503 |
nextPos = currentPos;
|
|
|
7504 |
charIterator.dispose();
|
|
|
7505 |
break;
|
|
|
7506 |
case WORD:
|
|
|
7507 |
var tokenizedTextProvider = createTokenizedTextProvider(pos, characterOptions, wordOptions);
|
|
|
7508 |
var next = backward ? tokenizedTextProvider.previousStartToken : tokenizedTextProvider.nextEndToken;
|
|
|
7509 |
|
|
|
7510 |
while ( (token = next()) && unitsMoved < absCount ) {
|
|
|
7511 |
if (token.isWord) {
|
|
|
7512 |
++unitsMoved;
|
|
|
7513 |
newPos = backward ? token.chars[0] : token.chars[token.chars.length - 1];
|
|
|
7514 |
}
|
|
|
7515 |
}
|
|
|
7516 |
break;
|
|
|
7517 |
default:
|
|
|
7518 |
throw new Error("movePositionBy: unit '" + unit + "' not implemented");
|
|
|
7519 |
}
|
|
|
7520 |
|
|
|
7521 |
// Perform any necessary position tweaks
|
|
|
7522 |
if (backward) {
|
|
|
7523 |
newPos = newPos.previousVisible();
|
|
|
7524 |
unitsMoved = -unitsMoved;
|
|
|
7525 |
} else if (newPos && newPos.isLeadingSpace && !newPos.isTrailingSpace) {
|
|
|
7526 |
// Tweak the position for the case of a leading space. The problem is that an uncollapsed leading space
|
|
|
7527 |
// before a block element (for example, the line break between "1" and "2" in the following HTML:
|
|
|
7528 |
// "1<p>2</p>") is considered to be attached to the position immediately before the block element, which
|
|
|
7529 |
// corresponds with a different selection position in most browsers from the one we want (i.e. at the
|
|
|
7530 |
// start of the contents of the block element). We get round this by advancing the position returned to
|
|
|
7531 |
// the last possible equivalent visible position.
|
|
|
7532 |
if (unit == WORD) {
|
|
|
7533 |
charIterator = createCharacterIterator(pos, false, null, characterOptions);
|
|
|
7534 |
nextPos = charIterator.next();
|
|
|
7535 |
charIterator.dispose();
|
|
|
7536 |
}
|
|
|
7537 |
if (nextPos) {
|
|
|
7538 |
newPos = nextPos.previousVisible();
|
|
|
7539 |
}
|
|
|
7540 |
}
|
|
|
7541 |
}
|
|
|
7542 |
|
|
|
7543 |
|
|
|
7544 |
return {
|
|
|
7545 |
position: newPos,
|
|
|
7546 |
unitsMoved: unitsMoved
|
|
|
7547 |
};
|
|
|
7548 |
}
|
|
|
7549 |
|
|
|
7550 |
function createRangeCharacterIterator(session, range, characterOptions, backward) {
|
|
|
7551 |
var rangeStart = session.getRangeBoundaryPosition(range, true);
|
|
|
7552 |
var rangeEnd = session.getRangeBoundaryPosition(range, false);
|
|
|
7553 |
var itStart = backward ? rangeEnd : rangeStart;
|
|
|
7554 |
var itEnd = backward ? rangeStart : rangeEnd;
|
|
|
7555 |
|
|
|
7556 |
return createCharacterIterator(itStart, !!backward, itEnd, characterOptions);
|
|
|
7557 |
}
|
|
|
7558 |
|
|
|
7559 |
function getRangeCharacters(session, range, characterOptions) {
|
|
|
7560 |
|
|
|
7561 |
var chars = [], it = createRangeCharacterIterator(session, range, characterOptions), pos;
|
|
|
7562 |
while ( (pos = it.next()) ) {
|
|
|
7563 |
chars.push(pos);
|
|
|
7564 |
}
|
|
|
7565 |
|
|
|
7566 |
it.dispose();
|
|
|
7567 |
return chars;
|
|
|
7568 |
}
|
|
|
7569 |
|
|
|
7570 |
function isWholeWord(startPos, endPos, wordOptions) {
|
|
|
7571 |
var range = api.createRange(startPos.node);
|
|
|
7572 |
range.setStartAndEnd(startPos.node, startPos.offset, endPos.node, endPos.offset);
|
|
|
7573 |
return !range.expand("word", { wordOptions: wordOptions });
|
|
|
7574 |
}
|
|
|
7575 |
|
|
|
7576 |
function findTextFromPosition(initialPos, searchTerm, isRegex, searchScopeRange, findOptions) {
|
|
|
7577 |
var backward = isDirectionBackward(findOptions.direction);
|
|
|
7578 |
var it = createCharacterIterator(
|
|
|
7579 |
initialPos,
|
|
|
7580 |
backward,
|
|
|
7581 |
initialPos.session.getRangeBoundaryPosition(searchScopeRange, backward),
|
|
|
7582 |
findOptions.characterOptions
|
|
|
7583 |
);
|
|
|
7584 |
var text = "", chars = [], pos, currentChar, matchStartIndex, matchEndIndex;
|
|
|
7585 |
var result, insideRegexMatch;
|
|
|
7586 |
var returnValue = null;
|
|
|
7587 |
|
|
|
7588 |
function handleMatch(startIndex, endIndex) {
|
|
|
7589 |
var startPos = chars[startIndex].previousVisible();
|
|
|
7590 |
var endPos = chars[endIndex - 1];
|
|
|
7591 |
var valid = (!findOptions.wholeWordsOnly || isWholeWord(startPos, endPos, findOptions.wordOptions));
|
|
|
7592 |
|
|
|
7593 |
return {
|
|
|
7594 |
startPos: startPos,
|
|
|
7595 |
endPos: endPos,
|
|
|
7596 |
valid: valid
|
|
|
7597 |
};
|
|
|
7598 |
}
|
|
|
7599 |
|
|
|
7600 |
while ( (pos = it.next()) ) {
|
|
|
7601 |
currentChar = pos.character;
|
|
|
7602 |
if (!isRegex && !findOptions.caseSensitive) {
|
|
|
7603 |
currentChar = currentChar.toLowerCase();
|
|
|
7604 |
}
|
|
|
7605 |
|
|
|
7606 |
if (backward) {
|
|
|
7607 |
chars.unshift(pos);
|
|
|
7608 |
text = currentChar + text;
|
|
|
7609 |
} else {
|
|
|
7610 |
chars.push(pos);
|
|
|
7611 |
text += currentChar;
|
|
|
7612 |
}
|
|
|
7613 |
|
|
|
7614 |
if (isRegex) {
|
|
|
7615 |
result = searchTerm.exec(text);
|
|
|
7616 |
if (result) {
|
|
|
7617 |
matchStartIndex = result.index;
|
|
|
7618 |
matchEndIndex = matchStartIndex + result[0].length;
|
|
|
7619 |
if (insideRegexMatch) {
|
|
|
7620 |
// Check whether the match is now over
|
|
|
7621 |
if ((!backward && matchEndIndex < text.length) || (backward && matchStartIndex > 0)) {
|
|
|
7622 |
returnValue = handleMatch(matchStartIndex, matchEndIndex);
|
|
|
7623 |
break;
|
|
|
7624 |
}
|
|
|
7625 |
} else {
|
|
|
7626 |
insideRegexMatch = true;
|
|
|
7627 |
}
|
|
|
7628 |
}
|
|
|
7629 |
} else if ( (matchStartIndex = text.indexOf(searchTerm)) != -1 ) {
|
|
|
7630 |
returnValue = handleMatch(matchStartIndex, matchStartIndex + searchTerm.length);
|
|
|
7631 |
break;
|
|
|
7632 |
}
|
|
|
7633 |
}
|
|
|
7634 |
|
|
|
7635 |
// Check whether regex match extends to the end of the range
|
|
|
7636 |
if (insideRegexMatch) {
|
|
|
7637 |
returnValue = handleMatch(matchStartIndex, matchEndIndex);
|
|
|
7638 |
}
|
|
|
7639 |
it.dispose();
|
|
|
7640 |
|
|
|
7641 |
return returnValue;
|
|
|
7642 |
}
|
|
|
7643 |
|
|
|
7644 |
function createEntryPointFunction(func) {
|
|
|
7645 |
return function() {
|
|
|
7646 |
var sessionRunning = !!currentSession;
|
|
|
7647 |
var session = getSession();
|
|
|
7648 |
var args = [session].concat( util.toArray(arguments) );
|
|
|
7649 |
var returnValue = func.apply(this, args);
|
|
|
7650 |
if (!sessionRunning) {
|
|
|
7651 |
endSession();
|
|
|
7652 |
}
|
|
|
7653 |
return returnValue;
|
|
|
7654 |
};
|
|
|
7655 |
}
|
|
|
7656 |
|
|
|
7657 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
7658 |
|
|
|
7659 |
// Extensions to the Rangy Range object
|
|
|
7660 |
|
|
|
7661 |
function createRangeBoundaryMover(isStart, collapse) {
|
|
|
7662 |
/*
|
|
|
7663 |
Unit can be "character" or "word"
|
|
|
7664 |
Options:
|
|
|
7665 |
|
|
|
7666 |
- includeTrailingSpace
|
|
|
7667 |
- wordRegex
|
|
|
7668 |
- tokenizer
|
|
|
7669 |
- collapseSpaceBeforeLineBreak
|
|
|
7670 |
*/
|
|
|
7671 |
return createEntryPointFunction(
|
|
|
7672 |
function(session, unit, count, moveOptions) {
|
|
|
7673 |
if (typeof count == UNDEF) {
|
|
|
7674 |
count = unit;
|
|
|
7675 |
unit = CHARACTER;
|
|
|
7676 |
}
|
|
|
7677 |
moveOptions = createNestedOptions(moveOptions, defaultMoveOptions);
|
|
|
7678 |
|
|
|
7679 |
var boundaryIsStart = isStart;
|
|
|
7680 |
if (collapse) {
|
|
|
7681 |
boundaryIsStart = (count >= 0);
|
|
|
7682 |
this.collapse(!boundaryIsStart);
|
|
|
7683 |
}
|
|
|
7684 |
var moveResult = movePositionBy(session.getRangeBoundaryPosition(this, boundaryIsStart), unit, count, moveOptions.characterOptions, moveOptions.wordOptions);
|
|
|
7685 |
var newPos = moveResult.position;
|
|
|
7686 |
this[boundaryIsStart ? "setStart" : "setEnd"](newPos.node, newPos.offset);
|
|
|
7687 |
return moveResult.unitsMoved;
|
|
|
7688 |
}
|
|
|
7689 |
);
|
|
|
7690 |
}
|
|
|
7691 |
|
|
|
7692 |
function createRangeTrimmer(isStart) {
|
|
|
7693 |
return createEntryPointFunction(
|
|
|
7694 |
function(session, characterOptions) {
|
|
|
7695 |
characterOptions = createOptions(characterOptions, defaultCharacterOptions);
|
|
|
7696 |
var pos;
|
|
|
7697 |
var it = createRangeCharacterIterator(session, this, characterOptions, !isStart);
|
|
|
7698 |
var trimCharCount = 0;
|
|
|
7699 |
while ( (pos = it.next()) && allWhiteSpaceRegex.test(pos.character) ) {
|
|
|
7700 |
++trimCharCount;
|
|
|
7701 |
}
|
|
|
7702 |
it.dispose();
|
|
|
7703 |
var trimmed = (trimCharCount > 0);
|
|
|
7704 |
if (trimmed) {
|
|
|
7705 |
this[isStart ? "moveStart" : "moveEnd"](
|
|
|
7706 |
"character",
|
|
|
7707 |
isStart ? trimCharCount : -trimCharCount,
|
|
|
7708 |
{ characterOptions: characterOptions }
|
|
|
7709 |
);
|
|
|
7710 |
}
|
|
|
7711 |
return trimmed;
|
|
|
7712 |
}
|
|
|
7713 |
);
|
|
|
7714 |
}
|
|
|
7715 |
|
|
|
7716 |
extend(api.rangePrototype, {
|
|
|
7717 |
moveStart: createRangeBoundaryMover(true, false),
|
|
|
7718 |
|
|
|
7719 |
moveEnd: createRangeBoundaryMover(false, false),
|
|
|
7720 |
|
|
|
7721 |
move: createRangeBoundaryMover(true, true),
|
|
|
7722 |
|
|
|
7723 |
trimStart: createRangeTrimmer(true),
|
|
|
7724 |
|
|
|
7725 |
trimEnd: createRangeTrimmer(false),
|
|
|
7726 |
|
|
|
7727 |
trim: createEntryPointFunction(
|
|
|
7728 |
function(session, characterOptions) {
|
|
|
7729 |
var startTrimmed = this.trimStart(characterOptions), endTrimmed = this.trimEnd(characterOptions);
|
|
|
7730 |
return startTrimmed || endTrimmed;
|
|
|
7731 |
}
|
|
|
7732 |
),
|
|
|
7733 |
|
|
|
7734 |
expand: createEntryPointFunction(
|
|
|
7735 |
function(session, unit, expandOptions) {
|
|
|
7736 |
var moved = false;
|
|
|
7737 |
expandOptions = createNestedOptions(expandOptions, defaultExpandOptions);
|
|
|
7738 |
var characterOptions = expandOptions.characterOptions;
|
|
|
7739 |
if (!unit) {
|
|
|
7740 |
unit = CHARACTER;
|
|
|
7741 |
}
|
|
|
7742 |
if (unit == WORD) {
|
|
|
7743 |
var wordOptions = expandOptions.wordOptions;
|
|
|
7744 |
var startPos = session.getRangeBoundaryPosition(this, true);
|
|
|
7745 |
var endPos = session.getRangeBoundaryPosition(this, false);
|
|
|
7746 |
|
|
|
7747 |
var startTokenizedTextProvider = createTokenizedTextProvider(startPos, characterOptions, wordOptions);
|
|
|
7748 |
var startToken = startTokenizedTextProvider.nextEndToken();
|
|
|
7749 |
var newStartPos = startToken.chars[0].previousVisible();
|
|
|
7750 |
var endToken, newEndPos;
|
|
|
7751 |
|
|
|
7752 |
if (this.collapsed) {
|
|
|
7753 |
endToken = startToken;
|
|
|
7754 |
} else {
|
|
|
7755 |
var endTokenizedTextProvider = createTokenizedTextProvider(endPos, characterOptions, wordOptions);
|
|
|
7756 |
endToken = endTokenizedTextProvider.previousStartToken();
|
|
|
7757 |
}
|
|
|
7758 |
newEndPos = endToken.chars[endToken.chars.length - 1];
|
|
|
7759 |
|
|
|
7760 |
if (!newStartPos.equals(startPos)) {
|
|
|
7761 |
this.setStart(newStartPos.node, newStartPos.offset);
|
|
|
7762 |
moved = true;
|
|
|
7763 |
}
|
|
|
7764 |
if (newEndPos && !newEndPos.equals(endPos)) {
|
|
|
7765 |
this.setEnd(newEndPos.node, newEndPos.offset);
|
|
|
7766 |
moved = true;
|
|
|
7767 |
}
|
|
|
7768 |
|
|
|
7769 |
if (expandOptions.trim) {
|
|
|
7770 |
if (expandOptions.trimStart) {
|
|
|
7771 |
moved = this.trimStart(characterOptions) || moved;
|
|
|
7772 |
}
|
|
|
7773 |
if (expandOptions.trimEnd) {
|
|
|
7774 |
moved = this.trimEnd(characterOptions) || moved;
|
|
|
7775 |
}
|
|
|
7776 |
}
|
|
|
7777 |
|
|
|
7778 |
return moved;
|
|
|
7779 |
} else {
|
|
|
7780 |
return this.moveEnd(CHARACTER, 1, expandOptions);
|
|
|
7781 |
}
|
|
|
7782 |
}
|
|
|
7783 |
),
|
|
|
7784 |
|
|
|
7785 |
text: createEntryPointFunction(
|
|
|
7786 |
function(session, characterOptions) {
|
|
|
7787 |
return this.collapsed ?
|
|
|
7788 |
"" : getRangeCharacters(session, this, createOptions(characterOptions, defaultCharacterOptions)).join("");
|
|
|
7789 |
}
|
|
|
7790 |
),
|
|
|
7791 |
|
|
|
7792 |
selectCharacters: createEntryPointFunction(
|
|
|
7793 |
function(session, containerNode, startIndex, endIndex, characterOptions) {
|
|
|
7794 |
var moveOptions = { characterOptions: characterOptions };
|
|
|
7795 |
if (!containerNode) {
|
|
|
7796 |
containerNode = getBody( this.getDocument() );
|
|
|
7797 |
}
|
|
|
7798 |
this.selectNodeContents(containerNode);
|
|
|
7799 |
this.collapse(true);
|
|
|
7800 |
this.moveStart("character", startIndex, moveOptions);
|
|
|
7801 |
this.collapse(true);
|
|
|
7802 |
this.moveEnd("character", endIndex - startIndex, moveOptions);
|
|
|
7803 |
}
|
|
|
7804 |
),
|
|
|
7805 |
|
|
|
7806 |
// Character indexes are relative to the start of node
|
|
|
7807 |
toCharacterRange: createEntryPointFunction(
|
|
|
7808 |
function(session, containerNode, characterOptions) {
|
|
|
7809 |
if (!containerNode) {
|
|
|
7810 |
containerNode = getBody( this.getDocument() );
|
|
|
7811 |
}
|
|
|
7812 |
var parent = containerNode.parentNode, nodeIndex = dom.getNodeIndex(containerNode);
|
|
|
7813 |
var rangeStartsBeforeNode = (dom.comparePoints(this.startContainer, this.endContainer, parent, nodeIndex) == -1);
|
|
|
7814 |
var rangeBetween = this.cloneRange();
|
|
|
7815 |
var startIndex, endIndex;
|
|
|
7816 |
if (rangeStartsBeforeNode) {
|
|
|
7817 |
rangeBetween.setStartAndEnd(this.startContainer, this.startOffset, parent, nodeIndex);
|
|
|
7818 |
startIndex = -rangeBetween.text(characterOptions).length;
|
|
|
7819 |
} else {
|
|
|
7820 |
rangeBetween.setStartAndEnd(parent, nodeIndex, this.startContainer, this.startOffset);
|
|
|
7821 |
startIndex = rangeBetween.text(characterOptions).length;
|
|
|
7822 |
}
|
|
|
7823 |
endIndex = startIndex + this.text(characterOptions).length;
|
|
|
7824 |
|
|
|
7825 |
return {
|
|
|
7826 |
start: startIndex,
|
|
|
7827 |
end: endIndex
|
|
|
7828 |
};
|
|
|
7829 |
}
|
|
|
7830 |
),
|
|
|
7831 |
|
|
|
7832 |
findText: createEntryPointFunction(
|
|
|
7833 |
function(session, searchTermParam, findOptions) {
|
|
|
7834 |
// Set up options
|
|
|
7835 |
findOptions = createNestedOptions(findOptions, defaultFindOptions);
|
|
|
7836 |
|
|
|
7837 |
// Create word options if we're matching whole words only
|
|
|
7838 |
if (findOptions.wholeWordsOnly) {
|
|
|
7839 |
// We don't ever want trailing spaces for search results
|
|
|
7840 |
findOptions.wordOptions.includeTrailingSpace = false;
|
|
|
7841 |
}
|
|
|
7842 |
|
|
|
7843 |
var backward = isDirectionBackward(findOptions.direction);
|
|
|
7844 |
|
|
|
7845 |
// Create a range representing the search scope if none was provided
|
|
|
7846 |
var searchScopeRange = findOptions.withinRange;
|
|
|
7847 |
if (!searchScopeRange) {
|
|
|
7848 |
searchScopeRange = api.createRange();
|
|
|
7849 |
searchScopeRange.selectNodeContents(this.getDocument());
|
|
|
7850 |
}
|
|
|
7851 |
|
|
|
7852 |
// Examine and prepare the search term
|
|
|
7853 |
var searchTerm = searchTermParam, isRegex = false;
|
|
|
7854 |
if (typeof searchTerm == "string") {
|
|
|
7855 |
if (!findOptions.caseSensitive) {
|
|
|
7856 |
searchTerm = searchTerm.toLowerCase();
|
|
|
7857 |
}
|
|
|
7858 |
} else {
|
|
|
7859 |
isRegex = true;
|
|
|
7860 |
}
|
|
|
7861 |
|
|
|
7862 |
var initialPos = session.getRangeBoundaryPosition(this, !backward);
|
|
|
7863 |
|
|
|
7864 |
// Adjust initial position if it lies outside the search scope
|
|
|
7865 |
var comparison = searchScopeRange.comparePoint(initialPos.node, initialPos.offset);
|
|
|
7866 |
|
|
|
7867 |
if (comparison === -1) {
|
|
|
7868 |
initialPos = session.getRangeBoundaryPosition(searchScopeRange, true);
|
|
|
7869 |
} else if (comparison === 1) {
|
|
|
7870 |
initialPos = session.getRangeBoundaryPosition(searchScopeRange, false);
|
|
|
7871 |
}
|
|
|
7872 |
|
|
|
7873 |
var pos = initialPos;
|
|
|
7874 |
var wrappedAround = false;
|
|
|
7875 |
|
|
|
7876 |
// Try to find a match and ignore invalid ones
|
|
|
7877 |
var findResult;
|
|
|
7878 |
while (true) {
|
|
|
7879 |
findResult = findTextFromPosition(pos, searchTerm, isRegex, searchScopeRange, findOptions);
|
|
|
7880 |
|
|
|
7881 |
if (findResult) {
|
|
|
7882 |
if (findResult.valid) {
|
|
|
7883 |
this.setStartAndEnd(findResult.startPos.node, findResult.startPos.offset, findResult.endPos.node, findResult.endPos.offset);
|
|
|
7884 |
return true;
|
|
|
7885 |
} else {
|
|
|
7886 |
// We've found a match that is not a whole word, so we carry on searching from the point immediately
|
|
|
7887 |
// after the match
|
|
|
7888 |
pos = backward ? findResult.startPos : findResult.endPos;
|
|
|
7889 |
}
|
|
|
7890 |
} else if (findOptions.wrap && !wrappedAround) {
|
|
|
7891 |
// No result found but we're wrapping around and limiting the scope to the unsearched part of the range
|
|
|
7892 |
searchScopeRange = searchScopeRange.cloneRange();
|
|
|
7893 |
pos = session.getRangeBoundaryPosition(searchScopeRange, !backward);
|
|
|
7894 |
searchScopeRange.setBoundary(initialPos.node, initialPos.offset, backward);
|
|
|
7895 |
wrappedAround = true;
|
|
|
7896 |
} else {
|
|
|
7897 |
// Nothing found and we can't wrap around, so we're done
|
|
|
7898 |
return false;
|
|
|
7899 |
}
|
|
|
7900 |
}
|
|
|
7901 |
}
|
|
|
7902 |
),
|
|
|
7903 |
|
|
|
7904 |
pasteHtml: function(html) {
|
|
|
7905 |
this.deleteContents();
|
|
|
7906 |
if (html) {
|
|
|
7907 |
var frag = this.createContextualFragment(html);
|
|
|
7908 |
var lastChild = frag.lastChild;
|
|
|
7909 |
this.insertNode(frag);
|
|
|
7910 |
this.collapseAfter(lastChild);
|
|
|
7911 |
}
|
|
|
7912 |
}
|
|
|
7913 |
});
|
|
|
7914 |
|
|
|
7915 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
7916 |
|
|
|
7917 |
// Extensions to the Rangy Selection object
|
|
|
7918 |
|
|
|
7919 |
function createSelectionTrimmer(methodName) {
|
|
|
7920 |
return createEntryPointFunction(
|
|
|
7921 |
function(session, characterOptions) {
|
|
|
7922 |
var trimmed = false;
|
|
|
7923 |
this.changeEachRange(function(range) {
|
|
|
7924 |
trimmed = range[methodName](characterOptions) || trimmed;
|
|
|
7925 |
});
|
|
|
7926 |
return trimmed;
|
|
|
7927 |
}
|
|
|
7928 |
);
|
|
|
7929 |
}
|
|
|
7930 |
|
|
|
7931 |
extend(api.selectionPrototype, {
|
|
|
7932 |
expand: createEntryPointFunction(
|
|
|
7933 |
function(session, unit, expandOptions) {
|
|
|
7934 |
this.changeEachRange(function(range) {
|
|
|
7935 |
range.expand(unit, expandOptions);
|
|
|
7936 |
});
|
|
|
7937 |
}
|
|
|
7938 |
),
|
|
|
7939 |
|
|
|
7940 |
move: createEntryPointFunction(
|
|
|
7941 |
function(session, unit, count, options) {
|
|
|
7942 |
var unitsMoved = 0;
|
|
|
7943 |
if (this.focusNode) {
|
|
|
7944 |
this.collapse(this.focusNode, this.focusOffset);
|
|
|
7945 |
var range = this.getRangeAt(0);
|
|
|
7946 |
if (!options) {
|
|
|
7947 |
options = {};
|
|
|
7948 |
}
|
|
|
7949 |
options.characterOptions = createOptions(options.characterOptions, defaultCaretCharacterOptions);
|
|
|
7950 |
unitsMoved = range.move(unit, count, options);
|
|
|
7951 |
this.setSingleRange(range);
|
|
|
7952 |
}
|
|
|
7953 |
return unitsMoved;
|
|
|
7954 |
}
|
|
|
7955 |
),
|
|
|
7956 |
|
|
|
7957 |
trimStart: createSelectionTrimmer("trimStart"),
|
|
|
7958 |
trimEnd: createSelectionTrimmer("trimEnd"),
|
|
|
7959 |
trim: createSelectionTrimmer("trim"),
|
|
|
7960 |
|
|
|
7961 |
selectCharacters: createEntryPointFunction(
|
|
|
7962 |
function(session, containerNode, startIndex, endIndex, direction, characterOptions) {
|
|
|
7963 |
var range = api.createRange(containerNode);
|
|
|
7964 |
range.selectCharacters(containerNode, startIndex, endIndex, characterOptions);
|
|
|
7965 |
this.setSingleRange(range, direction);
|
|
|
7966 |
}
|
|
|
7967 |
),
|
|
|
7968 |
|
|
|
7969 |
saveCharacterRanges: createEntryPointFunction(
|
|
|
7970 |
function(session, containerNode, characterOptions) {
|
|
|
7971 |
var ranges = this.getAllRanges(), rangeCount = ranges.length;
|
|
|
7972 |
var rangeInfos = [];
|
|
|
7973 |
|
|
|
7974 |
var backward = rangeCount == 1 && this.isBackward();
|
|
|
7975 |
|
|
|
7976 |
for (var i = 0, len = ranges.length; i < len; ++i) {
|
|
|
7977 |
rangeInfos[i] = {
|
|
|
7978 |
characterRange: ranges[i].toCharacterRange(containerNode, characterOptions),
|
|
|
7979 |
backward: backward,
|
|
|
7980 |
characterOptions: characterOptions
|
|
|
7981 |
};
|
|
|
7982 |
}
|
|
|
7983 |
|
|
|
7984 |
return rangeInfos;
|
|
|
7985 |
}
|
|
|
7986 |
),
|
|
|
7987 |
|
|
|
7988 |
restoreCharacterRanges: createEntryPointFunction(
|
|
|
7989 |
function(session, containerNode, saved) {
|
|
|
7990 |
this.removeAllRanges();
|
|
|
7991 |
for (var i = 0, len = saved.length, range, rangeInfo, characterRange; i < len; ++i) {
|
|
|
7992 |
rangeInfo = saved[i];
|
|
|
7993 |
characterRange = rangeInfo.characterRange;
|
|
|
7994 |
range = api.createRange(containerNode);
|
|
|
7995 |
range.selectCharacters(containerNode, characterRange.start, characterRange.end, rangeInfo.characterOptions);
|
|
|
7996 |
this.addRange(range, rangeInfo.backward);
|
|
|
7997 |
}
|
|
|
7998 |
}
|
|
|
7999 |
),
|
|
|
8000 |
|
|
|
8001 |
text: createEntryPointFunction(
|
|
|
8002 |
function(session, characterOptions) {
|
|
|
8003 |
var rangeTexts = [];
|
|
|
8004 |
for (var i = 0, len = this.rangeCount; i < len; ++i) {
|
|
|
8005 |
rangeTexts[i] = this.getRangeAt(i).text(characterOptions);
|
|
|
8006 |
}
|
|
|
8007 |
return rangeTexts.join("");
|
|
|
8008 |
}
|
|
|
8009 |
)
|
|
|
8010 |
});
|
|
|
8011 |
|
|
|
8012 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
8013 |
|
|
|
8014 |
// Extensions to the core rangy object
|
|
|
8015 |
|
|
|
8016 |
api.innerText = function(el, characterOptions) {
|
|
|
8017 |
var range = api.createRange(el);
|
|
|
8018 |
range.selectNodeContents(el);
|
|
|
8019 |
var text = range.text(characterOptions);
|
|
|
8020 |
return text;
|
|
|
8021 |
};
|
|
|
8022 |
|
|
|
8023 |
api.createWordIterator = function(startNode, startOffset, iteratorOptions) {
|
|
|
8024 |
var session = getSession();
|
|
|
8025 |
iteratorOptions = createNestedOptions(iteratorOptions, defaultWordIteratorOptions);
|
|
|
8026 |
var startPos = session.getPosition(startNode, startOffset);
|
|
|
8027 |
var tokenizedTextProvider = createTokenizedTextProvider(startPos, iteratorOptions.characterOptions, iteratorOptions.wordOptions);
|
|
|
8028 |
var backward = isDirectionBackward(iteratorOptions.direction);
|
|
|
8029 |
|
|
|
8030 |
return {
|
|
|
8031 |
next: function() {
|
|
|
8032 |
return backward ? tokenizedTextProvider.previousStartToken() : tokenizedTextProvider.nextEndToken();
|
|
|
8033 |
},
|
|
|
8034 |
|
|
|
8035 |
dispose: function() {
|
|
|
8036 |
tokenizedTextProvider.dispose();
|
|
|
8037 |
this.next = function() {};
|
|
|
8038 |
}
|
|
|
8039 |
};
|
|
|
8040 |
};
|
|
|
8041 |
|
|
|
8042 |
/*----------------------------------------------------------------------------------------------------------------*/
|
|
|
8043 |
|
|
|
8044 |
api.noMutation = function(func) {
|
|
|
8045 |
var session = getSession();
|
|
|
8046 |
func(session);
|
|
|
8047 |
endSession();
|
|
|
8048 |
};
|
|
|
8049 |
|
|
|
8050 |
api.noMutation.createEntryPointFunction = createEntryPointFunction;
|
|
|
8051 |
|
|
|
8052 |
api.textRange = {
|
|
|
8053 |
isBlockNode: isBlockNode,
|
|
|
8054 |
isCollapsedWhitespaceNode: isCollapsedWhitespaceNode,
|
|
|
8055 |
|
|
|
8056 |
createPosition: createEntryPointFunction(
|
|
|
8057 |
function(session, node, offset) {
|
|
|
8058 |
return session.getPosition(node, offset);
|
|
|
8059 |
}
|
|
|
8060 |
)
|
|
|
8061 |
};
|
|
|
8062 |
});
|
|
|
8063 |
|
|
|
8064 |
return rangy;
|
|
|
8065 |
}, this);YUI.add('moodle-editor_atto-rangy', function (Y, NAME) {
|
|
|
8066 |
|
|
|
8067 |
// This file is part of Moodle - http://moodle.org/
|
|
|
8068 |
//
|
|
|
8069 |
// Moodle is free software: you can redistribute it and/or modify
|
|
|
8070 |
// it under the terms of the GNU General Public License as published by
|
|
|
8071 |
// the Free Software Foundation, either version 3 of the License, or
|
|
|
8072 |
// (at your option) any later version.
|
|
|
8073 |
//
|
|
|
8074 |
// Moodle is distributed in the hope that it will be useful,
|
|
|
8075 |
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
8076 |
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
8077 |
// GNU General Public License for more details.
|
|
|
8078 |
//
|
|
|
8079 |
// You should have received a copy of the GNU General Public License
|
|
|
8080 |
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
|
|
|
8081 |
|
|
|
8082 |
if (!rangy.initialized) {
|
|
|
8083 |
rangy.init();
|
|
|
8084 |
}
|
|
|
8085 |
|
|
|
8086 |
|
|
|
8087 |
}, '@VERSION@', {"requires": []});
|