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YUI.add('yui2-dragdrop', function(Y) {
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var YAHOO = Y.YUI2;
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/*
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Copyright (c) 2011, Yahoo! Inc. All rights reserved.
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Code licensed under the BSD License:
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http://developer.yahoo.com/yui/license.html
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version: 2.9.0
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*/
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/**
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* The drag and drop utility provides a framework for building drag and drop
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* applications. In addition to enabling drag and drop for specific elements,
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* the drag and drop elements are tracked by the manager class, and the
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* interactions between the various elements are tracked during the drag and
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* the implementing code is notified about these important moments.
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* @module dragdrop
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* @title Drag and Drop
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* @requires yahoo,dom,event
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* @namespace YAHOO.util
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*/
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// Only load the library once. Rewriting the manager class would orphan
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// existing drag and drop instances.
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if (!YAHOO.util.DragDropMgr) {
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/**
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* DragDropMgr is a singleton that tracks the element interaction for
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* all DragDrop items in the window. Generally, you will not call
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* this class directly, but it does have helper methods that could
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* be useful in your DragDrop implementations.
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* @class DragDropMgr
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* @static
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*/
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YAHOO.util.DragDropMgr = function() {
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var Event = YAHOO.util.Event,
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Dom = YAHOO.util.Dom;
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return {
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/**
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* This property is used to turn on global use of the shim element on all DragDrop instances, defaults to false for backcompat. (Use: YAHOO.util.DDM.useShim = true)
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* @property useShim
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* @type Boolean
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* @static
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*/
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useShim: false,
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/**
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* This property is used to determine if the shim is active over the screen, default false.
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* @private
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* @property _shimActive
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* @type Boolean
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* @static
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*/
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_shimActive: false,
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/**
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* This property is used when useShim is set on a DragDrop object to store the current state of DDM.useShim so it can be reset when a drag operation is done.
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* @private
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* @property _shimState
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* @type Boolean
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* @static
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*/
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_shimState: false,
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/**
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* This property is used when useShim is set to true, it will set the opacity on the shim to .5 for debugging. Use: (YAHOO.util.DDM._debugShim = true;)
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* @private
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* @property _debugShim
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* @type Boolean
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* @static
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*/
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_debugShim: false,
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/**
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* This method will create a shim element (giving it the id of yui-ddm-shim), it also attaches the mousemove and mouseup listeners to it and attaches a scroll listener on the window
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* @private
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* @method _sizeShim
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* @static
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*/
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_createShim: function() {
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var s = document.createElement('div');
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s.id = 'yui-ddm-shim';
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if (document.body.firstChild) {
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document.body.insertBefore(s, document.body.firstChild);
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} else {
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document.body.appendChild(s);
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}
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s.style.display = 'none';
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s.style.backgroundColor = 'red';
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s.style.position = 'absolute';
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s.style.zIndex = '99999';
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Dom.setStyle(s, 'opacity', '0');
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this._shim = s;
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Event.on(s, "mouseup", this.handleMouseUp, this, true);
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Event.on(s, "mousemove", this.handleMouseMove, this, true);
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Event.on(window, 'scroll', this._sizeShim, this, true);
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},
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/**
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* This method will size the shim, called from activate and on window scroll event
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* @private
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* @method _sizeShim
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* @static
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*/
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_sizeShim: function() {
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if (this._shimActive) {
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var s = this._shim;
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s.style.height = Dom.getDocumentHeight() + 'px';
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s.style.width = Dom.getDocumentWidth() + 'px';
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s.style.top = '0';
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s.style.left = '0';
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}
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},
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/**
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* This method will create the shim element if needed, then show the shim element, size the element and set the _shimActive property to true
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* @private
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* @method _activateShim
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* @static
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*/
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_activateShim: function() {
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if (this.useShim) {
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if (!this._shim) {
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this._createShim();
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}
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this._shimActive = true;
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var s = this._shim,
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o = '0';
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if (this._debugShim) {
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o = '.5';
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}
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Dom.setStyle(s, 'opacity', o);
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this._sizeShim();
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s.style.display = 'block';
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}
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},
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/**
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* This method will hide the shim element and set the _shimActive property to false
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* @private
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* @method _deactivateShim
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* @static
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*/
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_deactivateShim: function() {
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this._shim.style.display = 'none';
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this._shimActive = false;
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},
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/**
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* The HTML element created to use as a shim over the document to track mouse movements
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* @private
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* @property _shim
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* @type HTMLElement
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* @static
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*/
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_shim: null,
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/**
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* Two dimensional Array of registered DragDrop objects. The first
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* dimension is the DragDrop item group, the second the DragDrop
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* object.
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* @property ids
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* @type {string: string}
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* @private
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* @static
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*/
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ids: {},
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/**
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* Array of element ids defined as drag handles. Used to determine
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* if the element that generated the mousedown event is actually the
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* handle and not the html element itself.
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* @property handleIds
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* @type {string: string}
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* @private
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* @static
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*/
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handleIds: {},
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/**
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* the DragDrop object that is currently being dragged
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* @property dragCurrent
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* @type DragDrop
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* @private
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* @static
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**/
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dragCurrent: null,
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/**
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* the DragDrop object(s) that are being hovered over
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* @property dragOvers
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* @type Array
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* @private
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* @static
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*/
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dragOvers: {},
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/**
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* the X distance between the cursor and the object being dragged
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* @property deltaX
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* @type int
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* @private
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* @static
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*/
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deltaX: 0,
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/**
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* the Y distance between the cursor and the object being dragged
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* @property deltaY
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* @type int
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* @private
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* @static
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*/
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deltaY: 0,
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/**
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* Flag to determine if we should prevent the default behavior of the
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* events we define. By default this is true, but this can be set to
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* false if you need the default behavior (not recommended)
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* @property preventDefault
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* @type boolean
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* @static
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*/
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preventDefault: true,
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/**
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* Flag to determine if we should stop the propagation of the events
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* we generate. This is true by default but you may want to set it to
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* false if the html element contains other features that require the
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* mouse click.
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* @property stopPropagation
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* @type boolean
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* @static
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*/
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stopPropagation: true,
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/**
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* Internal flag that is set to true when drag and drop has been
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* initialized
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* @property initialized
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* @private
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* @static
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*/
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initialized: false,
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/**
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* All drag and drop can be disabled.
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* @property locked
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* @private
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* @static
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*/
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locked: false,
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/**
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* Provides additional information about the the current set of
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* interactions. Can be accessed from the event handlers. It
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* contains the following properties:
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*
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* out: onDragOut interactions
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* enter: onDragEnter interactions
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* over: onDragOver interactions
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* drop: onDragDrop interactions
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* point: The location of the cursor
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* draggedRegion: The location of dragged element at the time
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* of the interaction
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* sourceRegion: The location of the source elemtn at the time
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* of the interaction
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* validDrop: boolean
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* @property interactionInfo
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* @type object
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* @static
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*/
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interactionInfo: null,
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/**
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* Called the first time an element is registered.
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* @method init
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* @private
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* @static
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*/
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init: function() {
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this.initialized = true;
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},
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/**
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* In point mode, drag and drop interaction is defined by the
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* location of the cursor during the drag/drop
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* @property POINT
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* @type int
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* @static
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* @final
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*/
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POINT: 0,
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/**
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* In intersect mode, drag and drop interaction is defined by the
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* cursor position or the amount of overlap of two or more drag and
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* drop objects.
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* @property INTERSECT
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* @type int
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* @static
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* @final
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*/
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INTERSECT: 1,
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/**
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* In intersect mode, drag and drop interaction is defined only by the
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* overlap of two or more drag and drop objects.
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* @property STRICT_INTERSECT
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* @type int
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* @static
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* @final
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*/
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STRICT_INTERSECT: 2,
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/**
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* The current drag and drop mode. Default: POINT
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* @property mode
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* @type int
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* @static
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*/
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mode: 0,
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/**
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* Runs method on all drag and drop objects
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* @method _execOnAll
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* @private
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* @static
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*/
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_execOnAll: function(sMethod, args) {
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for (var i in this.ids) {
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for (var j in this.ids[i]) {
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var oDD = this.ids[i][j];
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if (! this.isTypeOfDD(oDD)) {
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continue;
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}
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oDD[sMethod].apply(oDD, args);
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}
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}
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},
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/**
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* Drag and drop initialization. Sets up the global event handlers
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* @method _onLoad
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* @private
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* @static
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*/
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_onLoad: function() {
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this.init();
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Event.on(document, "mouseup", this.handleMouseUp, this, true);
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Event.on(document, "mousemove", this.handleMouseMove, this, true);
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Event.on(window, "unload", this._onUnload, this, true);
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Event.on(window, "resize", this._onResize, this, true);
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// Event.on(window, "mouseout", this._test);
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},
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/**
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* Reset constraints on all drag and drop objs
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* @method _onResize
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* @private
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* @static
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*/
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_onResize: function(e) {
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this._execOnAll("resetConstraints", []);
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},
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/**
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* Lock all drag and drop functionality
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* @method lock
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* @static
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*/
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lock: function() { this.locked = true; },
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/**
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* Unlock all drag and drop functionality
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* @method unlock
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* @static
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*/
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unlock: function() { this.locked = false; },
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/**
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* Is drag and drop locked?
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* @method isLocked
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* @return {boolean} True if drag and drop is locked, false otherwise.
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* @static
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*/
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isLocked: function() { return this.locked; },
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/**
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384 |
* Location cache that is set for all drag drop objects when a drag is
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* initiated, cleared when the drag is finished.
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* @property locationCache
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* @private
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* @static
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*/
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locationCache: {},
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|
391 |
|
|
|
392 |
/**
|
|
|
393 |
* Set useCache to false if you want to force object the lookup of each
|
|
|
394 |
* drag and drop linked element constantly during a drag.
|
|
|
395 |
* @property useCache
|
|
|
396 |
* @type boolean
|
|
|
397 |
* @static
|
|
|
398 |
*/
|
|
|
399 |
useCache: true,
|
|
|
400 |
|
|
|
401 |
/**
|
|
|
402 |
* The number of pixels that the mouse needs to move after the
|
|
|
403 |
* mousedown before the drag is initiated. Default=3;
|
|
|
404 |
* @property clickPixelThresh
|
|
|
405 |
* @type int
|
|
|
406 |
* @static
|
|
|
407 |
*/
|
|
|
408 |
clickPixelThresh: 3,
|
|
|
409 |
|
|
|
410 |
/**
|
|
|
411 |
* The number of milliseconds after the mousedown event to initiate the
|
|
|
412 |
* drag if we don't get a mouseup event. Default=1000
|
|
|
413 |
* @property clickTimeThresh
|
|
|
414 |
* @type int
|
|
|
415 |
* @static
|
|
|
416 |
*/
|
|
|
417 |
clickTimeThresh: 1000,
|
|
|
418 |
|
|
|
419 |
/**
|
|
|
420 |
* Flag that indicates that either the drag pixel threshold or the
|
|
|
421 |
* mousdown time threshold has been met
|
|
|
422 |
* @property dragThreshMet
|
|
|
423 |
* @type boolean
|
|
|
424 |
* @private
|
|
|
425 |
* @static
|
|
|
426 |
*/
|
|
|
427 |
dragThreshMet: false,
|
|
|
428 |
|
|
|
429 |
/**
|
|
|
430 |
* Timeout used for the click time threshold
|
|
|
431 |
* @property clickTimeout
|
|
|
432 |
* @type Object
|
|
|
433 |
* @private
|
|
|
434 |
* @static
|
|
|
435 |
*/
|
|
|
436 |
clickTimeout: null,
|
|
|
437 |
|
|
|
438 |
/**
|
|
|
439 |
* The X position of the mousedown event stored for later use when a
|
|
|
440 |
* drag threshold is met.
|
|
|
441 |
* @property startX
|
|
|
442 |
* @type int
|
|
|
443 |
* @private
|
|
|
444 |
* @static
|
|
|
445 |
*/
|
|
|
446 |
startX: 0,
|
|
|
447 |
|
|
|
448 |
/**
|
|
|
449 |
* The Y position of the mousedown event stored for later use when a
|
|
|
450 |
* drag threshold is met.
|
|
|
451 |
* @property startY
|
|
|
452 |
* @type int
|
|
|
453 |
* @private
|
|
|
454 |
* @static
|
|
|
455 |
*/
|
|
|
456 |
startY: 0,
|
|
|
457 |
|
|
|
458 |
/**
|
|
|
459 |
* Flag to determine if the drag event was fired from the click timeout and
|
|
|
460 |
* not the mouse move threshold.
|
|
|
461 |
* @property fromTimeout
|
|
|
462 |
* @type boolean
|
|
|
463 |
* @private
|
|
|
464 |
* @static
|
|
|
465 |
*/
|
|
|
466 |
fromTimeout: false,
|
|
|
467 |
|
|
|
468 |
/**
|
|
|
469 |
* Each DragDrop instance must be registered with the DragDropMgr.
|
|
|
470 |
* This is executed in DragDrop.init()
|
|
|
471 |
* @method regDragDrop
|
|
|
472 |
* @param {DragDrop} oDD the DragDrop object to register
|
|
|
473 |
* @param {String} sGroup the name of the group this element belongs to
|
|
|
474 |
* @static
|
|
|
475 |
*/
|
|
|
476 |
regDragDrop: function(oDD, sGroup) {
|
|
|
477 |
if (!this.initialized) { this.init(); }
|
|
|
478 |
|
|
|
479 |
if (!this.ids[sGroup]) {
|
|
|
480 |
this.ids[sGroup] = {};
|
|
|
481 |
}
|
|
|
482 |
this.ids[sGroup][oDD.id] = oDD;
|
|
|
483 |
},
|
|
|
484 |
|
|
|
485 |
/**
|
|
|
486 |
* Removes the supplied dd instance from the supplied group. Executed
|
|
|
487 |
* by DragDrop.removeFromGroup, so don't call this function directly.
|
|
|
488 |
* @method removeDDFromGroup
|
|
|
489 |
* @private
|
|
|
490 |
* @static
|
|
|
491 |
*/
|
|
|
492 |
removeDDFromGroup: function(oDD, sGroup) {
|
|
|
493 |
if (!this.ids[sGroup]) {
|
|
|
494 |
this.ids[sGroup] = {};
|
|
|
495 |
}
|
|
|
496 |
|
|
|
497 |
var obj = this.ids[sGroup];
|
|
|
498 |
if (obj && obj[oDD.id]) {
|
|
|
499 |
delete obj[oDD.id];
|
|
|
500 |
}
|
|
|
501 |
},
|
|
|
502 |
|
|
|
503 |
/**
|
|
|
504 |
* Unregisters a drag and drop item. This is executed in
|
|
|
505 |
* DragDrop.unreg, use that method instead of calling this directly.
|
|
|
506 |
* @method _remove
|
|
|
507 |
* @private
|
|
|
508 |
* @static
|
|
|
509 |
*/
|
|
|
510 |
_remove: function(oDD) {
|
|
|
511 |
for (var g in oDD.groups) {
|
|
|
512 |
if (g) {
|
|
|
513 |
var item = this.ids[g];
|
|
|
514 |
if (item && item[oDD.id]) {
|
|
|
515 |
delete item[oDD.id];
|
|
|
516 |
}
|
|
|
517 |
}
|
|
|
518 |
|
|
|
519 |
}
|
|
|
520 |
delete this.handleIds[oDD.id];
|
|
|
521 |
},
|
|
|
522 |
|
|
|
523 |
/**
|
|
|
524 |
* Each DragDrop handle element must be registered. This is done
|
|
|
525 |
* automatically when executing DragDrop.setHandleElId()
|
|
|
526 |
* @method regHandle
|
|
|
527 |
* @param {String} sDDId the DragDrop id this element is a handle for
|
|
|
528 |
* @param {String} sHandleId the id of the element that is the drag
|
|
|
529 |
* handle
|
|
|
530 |
* @static
|
|
|
531 |
*/
|
|
|
532 |
regHandle: function(sDDId, sHandleId) {
|
|
|
533 |
if (!this.handleIds[sDDId]) {
|
|
|
534 |
this.handleIds[sDDId] = {};
|
|
|
535 |
}
|
|
|
536 |
this.handleIds[sDDId][sHandleId] = sHandleId;
|
|
|
537 |
},
|
|
|
538 |
|
|
|
539 |
/**
|
|
|
540 |
* Utility function to determine if a given element has been
|
|
|
541 |
* registered as a drag drop item.
|
|
|
542 |
* @method isDragDrop
|
|
|
543 |
* @param {String} id the element id to check
|
|
|
544 |
* @return {boolean} true if this element is a DragDrop item,
|
|
|
545 |
* false otherwise
|
|
|
546 |
* @static
|
|
|
547 |
*/
|
|
|
548 |
isDragDrop: function(id) {
|
|
|
549 |
return ( this.getDDById(id) ) ? true : false;
|
|
|
550 |
},
|
|
|
551 |
|
|
|
552 |
/**
|
|
|
553 |
* Returns the drag and drop instances that are in all groups the
|
|
|
554 |
* passed in instance belongs to.
|
|
|
555 |
* @method getRelated
|
|
|
556 |
* @param {DragDrop} p_oDD the obj to get related data for
|
|
|
557 |
* @param {boolean} bTargetsOnly if true, only return targetable objs
|
|
|
558 |
* @return {DragDrop[]} the related instances
|
|
|
559 |
* @static
|
|
|
560 |
*/
|
|
|
561 |
getRelated: function(p_oDD, bTargetsOnly) {
|
|
|
562 |
var oDDs = [];
|
|
|
563 |
for (var i in p_oDD.groups) {
|
|
|
564 |
for (var j in this.ids[i]) {
|
|
|
565 |
var dd = this.ids[i][j];
|
|
|
566 |
if (! this.isTypeOfDD(dd)) {
|
|
|
567 |
continue;
|
|
|
568 |
}
|
|
|
569 |
if (!bTargetsOnly || dd.isTarget) {
|
|
|
570 |
oDDs[oDDs.length] = dd;
|
|
|
571 |
}
|
|
|
572 |
}
|
|
|
573 |
}
|
|
|
574 |
|
|
|
575 |
return oDDs;
|
|
|
576 |
},
|
|
|
577 |
|
|
|
578 |
/**
|
|
|
579 |
* Returns true if the specified dd target is a legal target for
|
|
|
580 |
* the specifice drag obj
|
|
|
581 |
* @method isLegalTarget
|
|
|
582 |
* @param {DragDrop} the drag obj
|
|
|
583 |
* @param {DragDrop} the target
|
|
|
584 |
* @return {boolean} true if the target is a legal target for the
|
|
|
585 |
* dd obj
|
|
|
586 |
* @static
|
|
|
587 |
*/
|
|
|
588 |
isLegalTarget: function (oDD, oTargetDD) {
|
|
|
589 |
var targets = this.getRelated(oDD, true);
|
|
|
590 |
for (var i=0, len=targets.length;i<len;++i) {
|
|
|
591 |
if (targets[i].id == oTargetDD.id) {
|
|
|
592 |
return true;
|
|
|
593 |
}
|
|
|
594 |
}
|
|
|
595 |
|
|
|
596 |
return false;
|
|
|
597 |
},
|
|
|
598 |
|
|
|
599 |
/**
|
|
|
600 |
* My goal is to be able to transparently determine if an object is
|
|
|
601 |
* typeof DragDrop, and the exact subclass of DragDrop. typeof
|
|
|
602 |
* returns "object", oDD.constructor.toString() always returns
|
|
|
603 |
* "DragDrop" and not the name of the subclass. So for now it just
|
|
|
604 |
* evaluates a well-known variable in DragDrop.
|
|
|
605 |
* @method isTypeOfDD
|
|
|
606 |
* @param {Object} the object to evaluate
|
|
|
607 |
* @return {boolean} true if typeof oDD = DragDrop
|
|
|
608 |
* @static
|
|
|
609 |
*/
|
|
|
610 |
isTypeOfDD: function (oDD) {
|
|
|
611 |
return (oDD && oDD.__ygDragDrop);
|
|
|
612 |
},
|
|
|
613 |
|
|
|
614 |
/**
|
|
|
615 |
* Utility function to determine if a given element has been
|
|
|
616 |
* registered as a drag drop handle for the given Drag Drop object.
|
|
|
617 |
* @method isHandle
|
|
|
618 |
* @param {String} id the element id to check
|
|
|
619 |
* @return {boolean} true if this element is a DragDrop handle, false
|
|
|
620 |
* otherwise
|
|
|
621 |
* @static
|
|
|
622 |
*/
|
|
|
623 |
isHandle: function(sDDId, sHandleId) {
|
|
|
624 |
return ( this.handleIds[sDDId] &&
|
|
|
625 |
this.handleIds[sDDId][sHandleId] );
|
|
|
626 |
},
|
|
|
627 |
|
|
|
628 |
/**
|
|
|
629 |
* Returns the DragDrop instance for a given id
|
|
|
630 |
* @method getDDById
|
|
|
631 |
* @param {String} id the id of the DragDrop object
|
|
|
632 |
* @return {DragDrop} the drag drop object, null if it is not found
|
|
|
633 |
* @static
|
|
|
634 |
*/
|
|
|
635 |
getDDById: function(id) {
|
|
|
636 |
for (var i in this.ids) {
|
|
|
637 |
if (this.ids[i][id]) {
|
|
|
638 |
return this.ids[i][id];
|
|
|
639 |
}
|
|
|
640 |
}
|
|
|
641 |
return null;
|
|
|
642 |
},
|
|
|
643 |
|
|
|
644 |
/**
|
|
|
645 |
* Fired after a registered DragDrop object gets the mousedown event.
|
|
|
646 |
* Sets up the events required to track the object being dragged
|
|
|
647 |
* @method handleMouseDown
|
|
|
648 |
* @param {Event} e the event
|
|
|
649 |
* @param oDD the DragDrop object being dragged
|
|
|
650 |
* @private
|
|
|
651 |
* @static
|
|
|
652 |
*/
|
|
|
653 |
handleMouseDown: function(e, oDD) {
|
|
|
654 |
//this._activateShim();
|
|
|
655 |
|
|
|
656 |
this.currentTarget = YAHOO.util.Event.getTarget(e);
|
|
|
657 |
|
|
|
658 |
this.dragCurrent = oDD;
|
|
|
659 |
|
|
|
660 |
var el = oDD.getEl();
|
|
|
661 |
|
|
|
662 |
// track start position
|
|
|
663 |
this.startX = YAHOO.util.Event.getPageX(e);
|
|
|
664 |
this.startY = YAHOO.util.Event.getPageY(e);
|
|
|
665 |
|
|
|
666 |
this.deltaX = this.startX - el.offsetLeft;
|
|
|
667 |
this.deltaY = this.startY - el.offsetTop;
|
|
|
668 |
|
|
|
669 |
this.dragThreshMet = false;
|
|
|
670 |
|
|
|
671 |
this.clickTimeout = setTimeout(
|
|
|
672 |
function() {
|
|
|
673 |
var DDM = YAHOO.util.DDM;
|
|
|
674 |
DDM.startDrag(DDM.startX, DDM.startY);
|
|
|
675 |
DDM.fromTimeout = true;
|
|
|
676 |
},
|
|
|
677 |
this.clickTimeThresh );
|
|
|
678 |
},
|
|
|
679 |
|
|
|
680 |
/**
|
|
|
681 |
* Fired when either the drag pixel threshold or the mousedown hold
|
|
|
682 |
* time threshold has been met.
|
|
|
683 |
* @method startDrag
|
|
|
684 |
* @param x {int} the X position of the original mousedown
|
|
|
685 |
* @param y {int} the Y position of the original mousedown
|
|
|
686 |
* @static
|
|
|
687 |
*/
|
|
|
688 |
startDrag: function(x, y) {
|
|
|
689 |
if (this.dragCurrent && this.dragCurrent.useShim) {
|
|
|
690 |
this._shimState = this.useShim;
|
|
|
691 |
this.useShim = true;
|
|
|
692 |
}
|
|
|
693 |
this._activateShim();
|
|
|
694 |
clearTimeout(this.clickTimeout);
|
|
|
695 |
var dc = this.dragCurrent;
|
|
|
696 |
if (dc && dc.events.b4StartDrag) {
|
|
|
697 |
dc.b4StartDrag(x, y);
|
|
|
698 |
dc.fireEvent('b4StartDragEvent', { x: x, y: y });
|
|
|
699 |
}
|
|
|
700 |
if (dc && dc.events.startDrag) {
|
|
|
701 |
dc.startDrag(x, y);
|
|
|
702 |
dc.fireEvent('startDragEvent', { x: x, y: y });
|
|
|
703 |
}
|
|
|
704 |
this.dragThreshMet = true;
|
|
|
705 |
},
|
|
|
706 |
|
|
|
707 |
/**
|
|
|
708 |
* Internal function to handle the mouseup event. Will be invoked
|
|
|
709 |
* from the context of the document.
|
|
|
710 |
* @method handleMouseUp
|
|
|
711 |
* @param {Event} e the event
|
|
|
712 |
* @private
|
|
|
713 |
* @static
|
|
|
714 |
*/
|
|
|
715 |
handleMouseUp: function(e) {
|
|
|
716 |
if (this.dragCurrent) {
|
|
|
717 |
clearTimeout(this.clickTimeout);
|
|
|
718 |
|
|
|
719 |
if (this.dragThreshMet) {
|
|
|
720 |
if (this.fromTimeout) {
|
|
|
721 |
this.fromTimeout = false;
|
|
|
722 |
this.handleMouseMove(e);
|
|
|
723 |
}
|
|
|
724 |
this.fromTimeout = false;
|
|
|
725 |
this.fireEvents(e, true);
|
|
|
726 |
} else {
|
|
|
727 |
}
|
|
|
728 |
|
|
|
729 |
this.stopDrag(e);
|
|
|
730 |
|
|
|
731 |
this.stopEvent(e);
|
|
|
732 |
}
|
|
|
733 |
},
|
|
|
734 |
|
|
|
735 |
/**
|
|
|
736 |
* Utility to stop event propagation and event default, if these
|
|
|
737 |
* features are turned on.
|
|
|
738 |
* @method stopEvent
|
|
|
739 |
* @param {Event} e the event as returned by this.getEvent()
|
|
|
740 |
* @static
|
|
|
741 |
*/
|
|
|
742 |
stopEvent: function(e) {
|
|
|
743 |
if (this.stopPropagation) {
|
|
|
744 |
YAHOO.util.Event.stopPropagation(e);
|
|
|
745 |
}
|
|
|
746 |
|
|
|
747 |
if (this.preventDefault) {
|
|
|
748 |
YAHOO.util.Event.preventDefault(e);
|
|
|
749 |
}
|
|
|
750 |
},
|
|
|
751 |
|
|
|
752 |
/**
|
|
|
753 |
* Ends the current drag, cleans up the state, and fires the endDrag
|
|
|
754 |
* and mouseUp events. Called internally when a mouseup is detected
|
|
|
755 |
* during the drag. Can be fired manually during the drag by passing
|
|
|
756 |
* either another event (such as the mousemove event received in onDrag)
|
|
|
757 |
* or a fake event with pageX and pageY defined (so that endDrag and
|
|
|
758 |
* onMouseUp have usable position data.). Alternatively, pass true
|
|
|
759 |
* for the silent parameter so that the endDrag and onMouseUp events
|
|
|
760 |
* are skipped (so no event data is needed.)
|
|
|
761 |
*
|
|
|
762 |
* @method stopDrag
|
|
|
763 |
* @param {Event} e the mouseup event, another event (or a fake event)
|
|
|
764 |
* with pageX and pageY defined, or nothing if the
|
|
|
765 |
* silent parameter is true
|
|
|
766 |
* @param {boolean} silent skips the enddrag and mouseup events if true
|
|
|
767 |
* @static
|
|
|
768 |
*/
|
|
|
769 |
stopDrag: function(e, silent) {
|
|
|
770 |
var dc = this.dragCurrent;
|
|
|
771 |
// Fire the drag end event for the item that was dragged
|
|
|
772 |
if (dc && !silent) {
|
|
|
773 |
if (this.dragThreshMet) {
|
|
|
774 |
if (dc.events.b4EndDrag) {
|
|
|
775 |
dc.b4EndDrag(e);
|
|
|
776 |
dc.fireEvent('b4EndDragEvent', { e: e });
|
|
|
777 |
}
|
|
|
778 |
if (dc.events.endDrag) {
|
|
|
779 |
dc.endDrag(e);
|
|
|
780 |
dc.fireEvent('endDragEvent', { e: e });
|
|
|
781 |
}
|
|
|
782 |
}
|
|
|
783 |
if (dc.events.mouseUp) {
|
|
|
784 |
dc.onMouseUp(e);
|
|
|
785 |
dc.fireEvent('mouseUpEvent', { e: e });
|
|
|
786 |
}
|
|
|
787 |
}
|
|
|
788 |
|
|
|
789 |
if (this._shimActive) {
|
|
|
790 |
this._deactivateShim();
|
|
|
791 |
if (this.dragCurrent && this.dragCurrent.useShim) {
|
|
|
792 |
this.useShim = this._shimState;
|
|
|
793 |
this._shimState = false;
|
|
|
794 |
}
|
|
|
795 |
}
|
|
|
796 |
|
|
|
797 |
this.dragCurrent = null;
|
|
|
798 |
this.dragOvers = {};
|
|
|
799 |
},
|
|
|
800 |
|
|
|
801 |
/**
|
|
|
802 |
* Internal function to handle the mousemove event. Will be invoked
|
|
|
803 |
* from the context of the html element.
|
|
|
804 |
*
|
|
|
805 |
* @TODO figure out what we can do about mouse events lost when the
|
|
|
806 |
* user drags objects beyond the window boundary. Currently we can
|
|
|
807 |
* detect this in internet explorer by verifying that the mouse is
|
|
|
808 |
* down during the mousemove event. Firefox doesn't give us the
|
|
|
809 |
* button state on the mousemove event.
|
|
|
810 |
* @method handleMouseMove
|
|
|
811 |
* @param {Event} e the event
|
|
|
812 |
* @private
|
|
|
813 |
* @static
|
|
|
814 |
*/
|
|
|
815 |
handleMouseMove: function(e) {
|
|
|
816 |
|
|
|
817 |
var dc = this.dragCurrent;
|
|
|
818 |
if (dc) {
|
|
|
819 |
|
|
|
820 |
// var button = e.which || e.button;
|
|
|
821 |
|
|
|
822 |
// check for IE < 9 mouseup outside of page boundary
|
|
|
823 |
if (YAHOO.env.ua.ie && (YAHOO.env.ua.ie < 9) && !e.button) {
|
|
|
824 |
this.stopEvent(e);
|
|
|
825 |
return this.handleMouseUp(e);
|
|
|
826 |
} else {
|
|
|
827 |
if (e.clientX < 0 || e.clientY < 0) {
|
|
|
828 |
//This will stop the element from leaving the viewport in FF, Opera & Safari
|
|
|
829 |
//Not turned on yet
|
|
|
830 |
//this.stopEvent(e);
|
|
|
831 |
//return false;
|
|
|
832 |
}
|
|
|
833 |
}
|
|
|
834 |
|
|
|
835 |
if (!this.dragThreshMet) {
|
|
|
836 |
var diffX = Math.abs(this.startX - YAHOO.util.Event.getPageX(e));
|
|
|
837 |
var diffY = Math.abs(this.startY - YAHOO.util.Event.getPageY(e));
|
|
|
838 |
if (diffX > this.clickPixelThresh ||
|
|
|
839 |
diffY > this.clickPixelThresh) {
|
|
|
840 |
this.startDrag(this.startX, this.startY);
|
|
|
841 |
}
|
|
|
842 |
}
|
|
|
843 |
|
|
|
844 |
if (this.dragThreshMet) {
|
|
|
845 |
if (dc && dc.events.b4Drag) {
|
|
|
846 |
dc.b4Drag(e);
|
|
|
847 |
dc.fireEvent('b4DragEvent', { e: e});
|
|
|
848 |
}
|
|
|
849 |
if (dc && dc.events.drag) {
|
|
|
850 |
dc.onDrag(e);
|
|
|
851 |
dc.fireEvent('dragEvent', { e: e});
|
|
|
852 |
}
|
|
|
853 |
if (dc) {
|
|
|
854 |
this.fireEvents(e, false);
|
|
|
855 |
}
|
|
|
856 |
}
|
|
|
857 |
|
|
|
858 |
this.stopEvent(e);
|
|
|
859 |
}
|
|
|
860 |
},
|
|
|
861 |
|
|
|
862 |
/**
|
|
|
863 |
* Iterates over all of the DragDrop elements to find ones we are
|
|
|
864 |
* hovering over or dropping on
|
|
|
865 |
* @method fireEvents
|
|
|
866 |
* @param {Event} e the event
|
|
|
867 |
* @param {boolean} isDrop is this a drop op or a mouseover op?
|
|
|
868 |
* @private
|
|
|
869 |
* @static
|
|
|
870 |
*/
|
|
|
871 |
fireEvents: function(e, isDrop) {
|
|
|
872 |
var dc = this.dragCurrent;
|
|
|
873 |
|
|
|
874 |
// If the user did the mouse up outside of the window, we could
|
|
|
875 |
// get here even though we have ended the drag.
|
|
|
876 |
// If the config option dragOnly is true, bail out and don't fire the events
|
|
|
877 |
if (!dc || dc.isLocked() || dc.dragOnly) {
|
|
|
878 |
return;
|
|
|
879 |
}
|
|
|
880 |
|
|
|
881 |
var x = YAHOO.util.Event.getPageX(e),
|
|
|
882 |
y = YAHOO.util.Event.getPageY(e),
|
|
|
883 |
pt = new YAHOO.util.Point(x,y),
|
|
|
884 |
pos = dc.getTargetCoord(pt.x, pt.y),
|
|
|
885 |
el = dc.getDragEl(),
|
|
|
886 |
events = ['out', 'over', 'drop', 'enter'],
|
|
|
887 |
curRegion = new YAHOO.util.Region( pos.y,
|
|
|
888 |
pos.x + el.offsetWidth,
|
|
|
889 |
pos.y + el.offsetHeight,
|
|
|
890 |
pos.x ),
|
|
|
891 |
|
|
|
892 |
oldOvers = [], // cache the previous dragOver array
|
|
|
893 |
inGroupsObj = {},
|
|
|
894 |
b4Results = {},
|
|
|
895 |
inGroups = [],
|
|
|
896 |
data = {
|
|
|
897 |
outEvts: [],
|
|
|
898 |
overEvts: [],
|
|
|
899 |
dropEvts: [],
|
|
|
900 |
enterEvts: []
|
|
|
901 |
};
|
|
|
902 |
|
|
|
903 |
|
|
|
904 |
// Check to see if the object(s) we were hovering over is no longer
|
|
|
905 |
// being hovered over so we can fire the onDragOut event
|
|
|
906 |
for (var i in this.dragOvers) {
|
|
|
907 |
|
|
|
908 |
var ddo = this.dragOvers[i];
|
|
|
909 |
|
|
|
910 |
if (! this.isTypeOfDD(ddo)) {
|
|
|
911 |
continue;
|
|
|
912 |
}
|
|
|
913 |
if (! this.isOverTarget(pt, ddo, this.mode, curRegion)) {
|
|
|
914 |
data.outEvts.push( ddo );
|
|
|
915 |
}
|
|
|
916 |
|
|
|
917 |
oldOvers[i] = true;
|
|
|
918 |
delete this.dragOvers[i];
|
|
|
919 |
}
|
|
|
920 |
|
|
|
921 |
for (var sGroup in dc.groups) {
|
|
|
922 |
|
|
|
923 |
if ("string" != typeof sGroup) {
|
|
|
924 |
continue;
|
|
|
925 |
}
|
|
|
926 |
|
|
|
927 |
for (i in this.ids[sGroup]) {
|
|
|
928 |
var oDD = this.ids[sGroup][i];
|
|
|
929 |
if (! this.isTypeOfDD(oDD)) {
|
|
|
930 |
continue;
|
|
|
931 |
}
|
|
|
932 |
|
|
|
933 |
if (oDD.isTarget && !oDD.isLocked() && oDD != dc) {
|
|
|
934 |
if (this.isOverTarget(pt, oDD, this.mode, curRegion)) {
|
|
|
935 |
inGroupsObj[sGroup] = true;
|
|
|
936 |
// look for drop interactions
|
|
|
937 |
if (isDrop) {
|
|
|
938 |
data.dropEvts.push( oDD );
|
|
|
939 |
// look for drag enter and drag over interactions
|
|
|
940 |
} else {
|
|
|
941 |
|
|
|
942 |
// initial drag over: dragEnter fires
|
|
|
943 |
if (!oldOvers[oDD.id]) {
|
|
|
944 |
data.enterEvts.push( oDD );
|
|
|
945 |
// subsequent drag overs: dragOver fires
|
|
|
946 |
} else {
|
|
|
947 |
data.overEvts.push( oDD );
|
|
|
948 |
}
|
|
|
949 |
|
|
|
950 |
this.dragOvers[oDD.id] = oDD;
|
|
|
951 |
}
|
|
|
952 |
}
|
|
|
953 |
}
|
|
|
954 |
}
|
|
|
955 |
}
|
|
|
956 |
|
|
|
957 |
this.interactionInfo = {
|
|
|
958 |
out: data.outEvts,
|
|
|
959 |
enter: data.enterEvts,
|
|
|
960 |
over: data.overEvts,
|
|
|
961 |
drop: data.dropEvts,
|
|
|
962 |
point: pt,
|
|
|
963 |
draggedRegion: curRegion,
|
|
|
964 |
sourceRegion: this.locationCache[dc.id],
|
|
|
965 |
validDrop: isDrop
|
|
|
966 |
};
|
|
|
967 |
|
|
|
968 |
|
|
|
969 |
for (var inG in inGroupsObj) {
|
|
|
970 |
inGroups.push(inG);
|
|
|
971 |
}
|
|
|
972 |
|
|
|
973 |
// notify about a drop that did not find a target
|
|
|
974 |
if (isDrop && !data.dropEvts.length) {
|
|
|
975 |
this.interactionInfo.validDrop = false;
|
|
|
976 |
if (dc.events.invalidDrop) {
|
|
|
977 |
dc.onInvalidDrop(e);
|
|
|
978 |
dc.fireEvent('invalidDropEvent', { e: e });
|
|
|
979 |
}
|
|
|
980 |
}
|
|
|
981 |
for (i = 0; i < events.length; i++) {
|
|
|
982 |
var tmp = null;
|
|
|
983 |
if (data[events[i] + 'Evts']) {
|
|
|
984 |
tmp = data[events[i] + 'Evts'];
|
|
|
985 |
}
|
|
|
986 |
if (tmp && tmp.length) {
|
|
|
987 |
var type = events[i].charAt(0).toUpperCase() + events[i].substr(1),
|
|
|
988 |
ev = 'onDrag' + type,
|
|
|
989 |
b4 = 'b4Drag' + type,
|
|
|
990 |
cev = 'drag' + type + 'Event',
|
|
|
991 |
check = 'drag' + type;
|
|
|
992 |
if (this.mode) {
|
|
|
993 |
if (dc.events[b4]) {
|
|
|
994 |
dc[b4](e, tmp, inGroups);
|
|
|
995 |
b4Results[ev] = dc.fireEvent(b4 + 'Event', { event: e, info: tmp, group: inGroups });
|
|
|
996 |
|
|
|
997 |
}
|
|
|
998 |
if (dc.events[check] && (b4Results[ev] !== false)) {
|
|
|
999 |
dc[ev](e, tmp, inGroups);
|
|
|
1000 |
dc.fireEvent(cev, { event: e, info: tmp, group: inGroups });
|
|
|
1001 |
}
|
|
|
1002 |
} else {
|
|
|
1003 |
for (var b = 0, len = tmp.length; b < len; ++b) {
|
|
|
1004 |
if (dc.events[b4]) {
|
|
|
1005 |
dc[b4](e, tmp[b].id, inGroups[0]);
|
|
|
1006 |
b4Results[ev] = dc.fireEvent(b4 + 'Event', { event: e, info: tmp[b].id, group: inGroups[0] });
|
|
|
1007 |
}
|
|
|
1008 |
if (dc.events[check] && (b4Results[ev] !== false)) {
|
|
|
1009 |
dc[ev](e, tmp[b].id, inGroups[0]);
|
|
|
1010 |
dc.fireEvent(cev, { event: e, info: tmp[b].id, group: inGroups[0] });
|
|
|
1011 |
}
|
|
|
1012 |
}
|
|
|
1013 |
}
|
|
|
1014 |
}
|
|
|
1015 |
}
|
|
|
1016 |
},
|
|
|
1017 |
|
|
|
1018 |
/**
|
|
|
1019 |
* Helper function for getting the best match from the list of drag
|
|
|
1020 |
* and drop objects returned by the drag and drop events when we are
|
|
|
1021 |
* in INTERSECT mode. It returns either the first object that the
|
|
|
1022 |
* cursor is over, or the object that has the greatest overlap with
|
|
|
1023 |
* the dragged element.
|
|
|
1024 |
* @method getBestMatch
|
|
|
1025 |
* @param {DragDrop[]} dds The array of drag and drop objects
|
|
|
1026 |
* targeted
|
|
|
1027 |
* @return {DragDrop} The best single match
|
|
|
1028 |
* @static
|
|
|
1029 |
*/
|
|
|
1030 |
getBestMatch: function(dds) {
|
|
|
1031 |
var winner = null;
|
|
|
1032 |
|
|
|
1033 |
var len = dds.length;
|
|
|
1034 |
|
|
|
1035 |
if (len == 1) {
|
|
|
1036 |
winner = dds[0];
|
|
|
1037 |
} else {
|
|
|
1038 |
// Loop through the targeted items
|
|
|
1039 |
for (var i=0; i<len; ++i) {
|
|
|
1040 |
var dd = dds[i];
|
|
|
1041 |
// If the cursor is over the object, it wins. If the
|
|
|
1042 |
// cursor is over multiple matches, the first one we come
|
|
|
1043 |
// to wins.
|
|
|
1044 |
if (this.mode == this.INTERSECT && dd.cursorIsOver) {
|
|
|
1045 |
winner = dd;
|
|
|
1046 |
break;
|
|
|
1047 |
// Otherwise the object with the most overlap wins
|
|
|
1048 |
} else {
|
|
|
1049 |
if (!winner || !winner.overlap || (dd.overlap &&
|
|
|
1050 |
winner.overlap.getArea() < dd.overlap.getArea())) {
|
|
|
1051 |
winner = dd;
|
|
|
1052 |
}
|
|
|
1053 |
}
|
|
|
1054 |
}
|
|
|
1055 |
}
|
|
|
1056 |
|
|
|
1057 |
return winner;
|
|
|
1058 |
},
|
|
|
1059 |
|
|
|
1060 |
/**
|
|
|
1061 |
* Refreshes the cache of the top-left and bottom-right points of the
|
|
|
1062 |
* drag and drop objects in the specified group(s). This is in the
|
|
|
1063 |
* format that is stored in the drag and drop instance, so typical
|
|
|
1064 |
* usage is:
|
|
|
1065 |
* <code>
|
|
|
1066 |
* YAHOO.util.DragDropMgr.refreshCache(ddinstance.groups);
|
|
|
1067 |
* </code>
|
|
|
1068 |
* Alternatively:
|
|
|
1069 |
* <code>
|
|
|
1070 |
* YAHOO.util.DragDropMgr.refreshCache({group1:true, group2:true});
|
|
|
1071 |
* </code>
|
|
|
1072 |
* @TODO this really should be an indexed array. Alternatively this
|
|
|
1073 |
* method could accept both.
|
|
|
1074 |
* @method refreshCache
|
|
|
1075 |
* @param {Object} groups an associative array of groups to refresh
|
|
|
1076 |
* @static
|
|
|
1077 |
*/
|
|
|
1078 |
refreshCache: function(groups) {
|
|
|
1079 |
|
|
|
1080 |
// refresh everything if group array is not provided
|
|
|
1081 |
var g = groups || this.ids;
|
|
|
1082 |
|
|
|
1083 |
for (var sGroup in g) {
|
|
|
1084 |
if ("string" != typeof sGroup) {
|
|
|
1085 |
continue;
|
|
|
1086 |
}
|
|
|
1087 |
for (var i in this.ids[sGroup]) {
|
|
|
1088 |
var oDD = this.ids[sGroup][i];
|
|
|
1089 |
|
|
|
1090 |
if (this.isTypeOfDD(oDD)) {
|
|
|
1091 |
var loc = this.getLocation(oDD);
|
|
|
1092 |
if (loc) {
|
|
|
1093 |
this.locationCache[oDD.id] = loc;
|
|
|
1094 |
} else {
|
|
|
1095 |
delete this.locationCache[oDD.id];
|
|
|
1096 |
}
|
|
|
1097 |
}
|
|
|
1098 |
}
|
|
|
1099 |
}
|
|
|
1100 |
},
|
|
|
1101 |
|
|
|
1102 |
/**
|
|
|
1103 |
* This checks to make sure an element exists and is in the DOM. The
|
|
|
1104 |
* main purpose is to handle cases where innerHTML is used to remove
|
|
|
1105 |
* drag and drop objects from the DOM. IE provides an 'unspecified
|
|
|
1106 |
* error' when trying to access the offsetParent of such an element
|
|
|
1107 |
* @method verifyEl
|
|
|
1108 |
* @param {HTMLElement} el the element to check
|
|
|
1109 |
* @return {boolean} true if the element looks usable
|
|
|
1110 |
* @static
|
|
|
1111 |
*/
|
|
|
1112 |
verifyEl: function(el) {
|
|
|
1113 |
try {
|
|
|
1114 |
if (el) {
|
|
|
1115 |
var parent = el.offsetParent;
|
|
|
1116 |
if (parent) {
|
|
|
1117 |
return true;
|
|
|
1118 |
}
|
|
|
1119 |
}
|
|
|
1120 |
} catch(e) {
|
|
|
1121 |
}
|
|
|
1122 |
|
|
|
1123 |
return false;
|
|
|
1124 |
},
|
|
|
1125 |
|
|
|
1126 |
/**
|
|
|
1127 |
* Returns a Region object containing the drag and drop element's position
|
|
|
1128 |
* and size, including the padding configured for it
|
|
|
1129 |
* @method getLocation
|
|
|
1130 |
* @param {DragDrop} oDD the drag and drop object to get the
|
|
|
1131 |
* location for
|
|
|
1132 |
* @return {YAHOO.util.Region} a Region object representing the total area
|
|
|
1133 |
* the element occupies, including any padding
|
|
|
1134 |
* the instance is configured for.
|
|
|
1135 |
* @static
|
|
|
1136 |
*/
|
|
|
1137 |
getLocation: function(oDD) {
|
|
|
1138 |
if (! this.isTypeOfDD(oDD)) {
|
|
|
1139 |
return null;
|
|
|
1140 |
}
|
|
|
1141 |
|
|
|
1142 |
var el = oDD.getEl(), pos, x1, x2, y1, y2, t, r, b, l;
|
|
|
1143 |
|
|
|
1144 |
try {
|
|
|
1145 |
pos= YAHOO.util.Dom.getXY(el);
|
|
|
1146 |
} catch (e) { }
|
|
|
1147 |
|
|
|
1148 |
if (!pos) {
|
|
|
1149 |
return null;
|
|
|
1150 |
}
|
|
|
1151 |
|
|
|
1152 |
x1 = pos[0];
|
|
|
1153 |
x2 = x1 + el.offsetWidth;
|
|
|
1154 |
y1 = pos[1];
|
|
|
1155 |
y2 = y1 + el.offsetHeight;
|
|
|
1156 |
|
|
|
1157 |
t = y1 - oDD.padding[0];
|
|
|
1158 |
r = x2 + oDD.padding[1];
|
|
|
1159 |
b = y2 + oDD.padding[2];
|
|
|
1160 |
l = x1 - oDD.padding[3];
|
|
|
1161 |
|
|
|
1162 |
return new YAHOO.util.Region( t, r, b, l );
|
|
|
1163 |
},
|
|
|
1164 |
|
|
|
1165 |
/**
|
|
|
1166 |
* Checks the cursor location to see if it over the target
|
|
|
1167 |
* @method isOverTarget
|
|
|
1168 |
* @param {YAHOO.util.Point} pt The point to evaluate
|
|
|
1169 |
* @param {DragDrop} oTarget the DragDrop object we are inspecting
|
|
|
1170 |
* @param {boolean} intersect true if we are in intersect mode
|
|
|
1171 |
* @param {YAHOO.util.Region} pre-cached location of the dragged element
|
|
|
1172 |
* @return {boolean} true if the mouse is over the target
|
|
|
1173 |
* @private
|
|
|
1174 |
* @static
|
|
|
1175 |
*/
|
|
|
1176 |
isOverTarget: function(pt, oTarget, intersect, curRegion) {
|
|
|
1177 |
// use cache if available
|
|
|
1178 |
var loc = this.locationCache[oTarget.id];
|
|
|
1179 |
if (!loc || !this.useCache) {
|
|
|
1180 |
loc = this.getLocation(oTarget);
|
|
|
1181 |
this.locationCache[oTarget.id] = loc;
|
|
|
1182 |
|
|
|
1183 |
}
|
|
|
1184 |
|
|
|
1185 |
if (!loc) {
|
|
|
1186 |
return false;
|
|
|
1187 |
}
|
|
|
1188 |
|
|
|
1189 |
oTarget.cursorIsOver = loc.contains( pt );
|
|
|
1190 |
|
|
|
1191 |
// DragDrop is using this as a sanity check for the initial mousedown
|
|
|
1192 |
// in this case we are done. In POINT mode, if the drag obj has no
|
|
|
1193 |
// contraints, we are done. Otherwise we need to evaluate the
|
|
|
1194 |
// region the target as occupies to determine if the dragged element
|
|
|
1195 |
// overlaps with it.
|
|
|
1196 |
|
|
|
1197 |
var dc = this.dragCurrent;
|
|
|
1198 |
if (!dc || (!intersect && !dc.constrainX && !dc.constrainY)) {
|
|
|
1199 |
|
|
|
1200 |
//if (oTarget.cursorIsOver) {
|
|
|
1201 |
//}
|
|
|
1202 |
return oTarget.cursorIsOver;
|
|
|
1203 |
}
|
|
|
1204 |
|
|
|
1205 |
oTarget.overlap = null;
|
|
|
1206 |
|
|
|
1207 |
|
|
|
1208 |
// Get the current location of the drag element, this is the
|
|
|
1209 |
// location of the mouse event less the delta that represents
|
|
|
1210 |
// where the original mousedown happened on the element. We
|
|
|
1211 |
// need to consider constraints and ticks as well.
|
|
|
1212 |
|
|
|
1213 |
if (!curRegion) {
|
|
|
1214 |
var pos = dc.getTargetCoord(pt.x, pt.y);
|
|
|
1215 |
var el = dc.getDragEl();
|
|
|
1216 |
curRegion = new YAHOO.util.Region( pos.y,
|
|
|
1217 |
pos.x + el.offsetWidth,
|
|
|
1218 |
pos.y + el.offsetHeight,
|
|
|
1219 |
pos.x );
|
|
|
1220 |
}
|
|
|
1221 |
|
|
|
1222 |
var overlap = curRegion.intersect(loc);
|
|
|
1223 |
|
|
|
1224 |
if (overlap) {
|
|
|
1225 |
oTarget.overlap = overlap;
|
|
|
1226 |
return (intersect) ? true : oTarget.cursorIsOver;
|
|
|
1227 |
} else {
|
|
|
1228 |
return false;
|
|
|
1229 |
}
|
|
|
1230 |
},
|
|
|
1231 |
|
|
|
1232 |
/**
|
|
|
1233 |
* unload event handler
|
|
|
1234 |
* @method _onUnload
|
|
|
1235 |
* @private
|
|
|
1236 |
* @static
|
|
|
1237 |
*/
|
|
|
1238 |
_onUnload: function(e, me) {
|
|
|
1239 |
this.unregAll();
|
|
|
1240 |
},
|
|
|
1241 |
|
|
|
1242 |
/**
|
|
|
1243 |
* Cleans up the drag and drop events and objects.
|
|
|
1244 |
* @method unregAll
|
|
|
1245 |
* @private
|
|
|
1246 |
* @static
|
|
|
1247 |
*/
|
|
|
1248 |
unregAll: function() {
|
|
|
1249 |
|
|
|
1250 |
if (this.dragCurrent) {
|
|
|
1251 |
this.stopDrag();
|
|
|
1252 |
this.dragCurrent = null;
|
|
|
1253 |
}
|
|
|
1254 |
|
|
|
1255 |
this._execOnAll("unreg", []);
|
|
|
1256 |
|
|
|
1257 |
//for (var i in this.elementCache) {
|
|
|
1258 |
//delete this.elementCache[i];
|
|
|
1259 |
//}
|
|
|
1260 |
//this.elementCache = {};
|
|
|
1261 |
|
|
|
1262 |
this.ids = {};
|
|
|
1263 |
},
|
|
|
1264 |
|
|
|
1265 |
/**
|
|
|
1266 |
* A cache of DOM elements
|
|
|
1267 |
* @property elementCache
|
|
|
1268 |
* @private
|
|
|
1269 |
* @static
|
|
|
1270 |
* @deprecated elements are not cached now
|
|
|
1271 |
*/
|
|
|
1272 |
elementCache: {},
|
|
|
1273 |
|
|
|
1274 |
/**
|
|
|
1275 |
* Get the wrapper for the DOM element specified
|
|
|
1276 |
* @method getElWrapper
|
|
|
1277 |
* @param {String} id the id of the element to get
|
|
|
1278 |
* @return {YAHOO.util.DDM.ElementWrapper} the wrapped element
|
|
|
1279 |
* @private
|
|
|
1280 |
* @deprecated This wrapper isn't that useful
|
|
|
1281 |
* @static
|
|
|
1282 |
*/
|
|
|
1283 |
getElWrapper: function(id) {
|
|
|
1284 |
var oWrapper = this.elementCache[id];
|
|
|
1285 |
if (!oWrapper || !oWrapper.el) {
|
|
|
1286 |
oWrapper = this.elementCache[id] =
|
|
|
1287 |
new this.ElementWrapper(YAHOO.util.Dom.get(id));
|
|
|
1288 |
}
|
|
|
1289 |
return oWrapper;
|
|
|
1290 |
},
|
|
|
1291 |
|
|
|
1292 |
/**
|
|
|
1293 |
* Returns the actual DOM element
|
|
|
1294 |
* @method getElement
|
|
|
1295 |
* @param {String} id the id of the elment to get
|
|
|
1296 |
* @return {Object} The element
|
|
|
1297 |
* @deprecated use YAHOO.util.Dom.get instead
|
|
|
1298 |
* @static
|
|
|
1299 |
*/
|
|
|
1300 |
getElement: function(id) {
|
|
|
1301 |
return YAHOO.util.Dom.get(id);
|
|
|
1302 |
},
|
|
|
1303 |
|
|
|
1304 |
/**
|
|
|
1305 |
* Returns the style property for the DOM element (i.e.,
|
|
|
1306 |
* document.getElById(id).style)
|
|
|
1307 |
* @method getCss
|
|
|
1308 |
* @param {String} id the id of the elment to get
|
|
|
1309 |
* @return {Object} The style property of the element
|
|
|
1310 |
* @deprecated use YAHOO.util.Dom instead
|
|
|
1311 |
* @static
|
|
|
1312 |
*/
|
|
|
1313 |
getCss: function(id) {
|
|
|
1314 |
var el = YAHOO.util.Dom.get(id);
|
|
|
1315 |
return (el) ? el.style : null;
|
|
|
1316 |
},
|
|
|
1317 |
|
|
|
1318 |
/**
|
|
|
1319 |
* Inner class for cached elements
|
|
|
1320 |
* @class DragDropMgr.ElementWrapper
|
|
|
1321 |
* @for DragDropMgr
|
|
|
1322 |
* @private
|
|
|
1323 |
* @deprecated
|
|
|
1324 |
*/
|
|
|
1325 |
ElementWrapper: function(el) {
|
|
|
1326 |
/**
|
|
|
1327 |
* The element
|
|
|
1328 |
* @property el
|
|
|
1329 |
*/
|
|
|
1330 |
this.el = el || null;
|
|
|
1331 |
/**
|
|
|
1332 |
* The element id
|
|
|
1333 |
* @property id
|
|
|
1334 |
*/
|
|
|
1335 |
this.id = this.el && el.id;
|
|
|
1336 |
/**
|
|
|
1337 |
* A reference to the style property
|
|
|
1338 |
* @property css
|
|
|
1339 |
*/
|
|
|
1340 |
this.css = this.el && el.style;
|
|
|
1341 |
},
|
|
|
1342 |
|
|
|
1343 |
/**
|
|
|
1344 |
* Returns the X position of an html element
|
|
|
1345 |
* @method getPosX
|
|
|
1346 |
* @param el the element for which to get the position
|
|
|
1347 |
* @return {int} the X coordinate
|
|
|
1348 |
* @for DragDropMgr
|
|
|
1349 |
* @deprecated use YAHOO.util.Dom.getX instead
|
|
|
1350 |
* @static
|
|
|
1351 |
*/
|
|
|
1352 |
getPosX: function(el) {
|
|
|
1353 |
return YAHOO.util.Dom.getX(el);
|
|
|
1354 |
},
|
|
|
1355 |
|
|
|
1356 |
/**
|
|
|
1357 |
* Returns the Y position of an html element
|
|
|
1358 |
* @method getPosY
|
|
|
1359 |
* @param el the element for which to get the position
|
|
|
1360 |
* @return {int} the Y coordinate
|
|
|
1361 |
* @deprecated use YAHOO.util.Dom.getY instead
|
|
|
1362 |
* @static
|
|
|
1363 |
*/
|
|
|
1364 |
getPosY: function(el) {
|
|
|
1365 |
return YAHOO.util.Dom.getY(el);
|
|
|
1366 |
},
|
|
|
1367 |
|
|
|
1368 |
/**
|
|
|
1369 |
* Swap two nodes. In IE, we use the native method, for others we
|
|
|
1370 |
* emulate the IE behavior
|
|
|
1371 |
* @method swapNode
|
|
|
1372 |
* @param n1 the first node to swap
|
|
|
1373 |
* @param n2 the other node to swap
|
|
|
1374 |
* @static
|
|
|
1375 |
*/
|
|
|
1376 |
swapNode: function(n1, n2) {
|
|
|
1377 |
if (n1.swapNode) {
|
|
|
1378 |
n1.swapNode(n2);
|
|
|
1379 |
} else {
|
|
|
1380 |
var p = n2.parentNode;
|
|
|
1381 |
var s = n2.nextSibling;
|
|
|
1382 |
|
|
|
1383 |
if (s == n1) {
|
|
|
1384 |
p.insertBefore(n1, n2);
|
|
|
1385 |
} else if (n2 == n1.nextSibling) {
|
|
|
1386 |
p.insertBefore(n2, n1);
|
|
|
1387 |
} else {
|
|
|
1388 |
n1.parentNode.replaceChild(n2, n1);
|
|
|
1389 |
p.insertBefore(n1, s);
|
|
|
1390 |
}
|
|
|
1391 |
}
|
|
|
1392 |
},
|
|
|
1393 |
|
|
|
1394 |
/**
|
|
|
1395 |
* Returns the current scroll position
|
|
|
1396 |
* @method getScroll
|
|
|
1397 |
* @private
|
|
|
1398 |
* @static
|
|
|
1399 |
*/
|
|
|
1400 |
getScroll: function () {
|
|
|
1401 |
var t, l, dde=document.documentElement, db=document.body;
|
|
|
1402 |
if (dde && (dde.scrollTop || dde.scrollLeft)) {
|
|
|
1403 |
t = dde.scrollTop;
|
|
|
1404 |
l = dde.scrollLeft;
|
|
|
1405 |
} else if (db) {
|
|
|
1406 |
t = db.scrollTop;
|
|
|
1407 |
l = db.scrollLeft;
|
|
|
1408 |
} else {
|
|
|
1409 |
}
|
|
|
1410 |
return { top: t, left: l };
|
|
|
1411 |
},
|
|
|
1412 |
|
|
|
1413 |
/**
|
|
|
1414 |
* Returns the specified element style property
|
|
|
1415 |
* @method getStyle
|
|
|
1416 |
* @param {HTMLElement} el the element
|
|
|
1417 |
* @param {string} styleProp the style property
|
|
|
1418 |
* @return {string} The value of the style property
|
|
|
1419 |
* @deprecated use YAHOO.util.Dom.getStyle
|
|
|
1420 |
* @static
|
|
|
1421 |
*/
|
|
|
1422 |
getStyle: function(el, styleProp) {
|
|
|
1423 |
return YAHOO.util.Dom.getStyle(el, styleProp);
|
|
|
1424 |
},
|
|
|
1425 |
|
|
|
1426 |
/**
|
|
|
1427 |
* Gets the scrollTop
|
|
|
1428 |
* @method getScrollTop
|
|
|
1429 |
* @return {int} the document's scrollTop
|
|
|
1430 |
* @static
|
|
|
1431 |
*/
|
|
|
1432 |
getScrollTop: function () { return this.getScroll().top; },
|
|
|
1433 |
|
|
|
1434 |
/**
|
|
|
1435 |
* Gets the scrollLeft
|
|
|
1436 |
* @method getScrollLeft
|
|
|
1437 |
* @return {int} the document's scrollTop
|
|
|
1438 |
* @static
|
|
|
1439 |
*/
|
|
|
1440 |
getScrollLeft: function () { return this.getScroll().left; },
|
|
|
1441 |
|
|
|
1442 |
/**
|
|
|
1443 |
* Sets the x/y position of an element to the location of the
|
|
|
1444 |
* target element.
|
|
|
1445 |
* @method moveToEl
|
|
|
1446 |
* @param {HTMLElement} moveEl The element to move
|
|
|
1447 |
* @param {HTMLElement} targetEl The position reference element
|
|
|
1448 |
* @static
|
|
|
1449 |
*/
|
|
|
1450 |
moveToEl: function (moveEl, targetEl) {
|
|
|
1451 |
var aCoord = YAHOO.util.Dom.getXY(targetEl);
|
|
|
1452 |
YAHOO.util.Dom.setXY(moveEl, aCoord);
|
|
|
1453 |
},
|
|
|
1454 |
|
|
|
1455 |
/**
|
|
|
1456 |
* Gets the client height
|
|
|
1457 |
* @method getClientHeight
|
|
|
1458 |
* @return {int} client height in px
|
|
|
1459 |
* @deprecated use YAHOO.util.Dom.getViewportHeight instead
|
|
|
1460 |
* @static
|
|
|
1461 |
*/
|
|
|
1462 |
getClientHeight: function() {
|
|
|
1463 |
return YAHOO.util.Dom.getViewportHeight();
|
|
|
1464 |
},
|
|
|
1465 |
|
|
|
1466 |
/**
|
|
|
1467 |
* Gets the client width
|
|
|
1468 |
* @method getClientWidth
|
|
|
1469 |
* @return {int} client width in px
|
|
|
1470 |
* @deprecated use YAHOO.util.Dom.getViewportWidth instead
|
|
|
1471 |
* @static
|
|
|
1472 |
*/
|
|
|
1473 |
getClientWidth: function() {
|
|
|
1474 |
return YAHOO.util.Dom.getViewportWidth();
|
|
|
1475 |
},
|
|
|
1476 |
|
|
|
1477 |
/**
|
|
|
1478 |
* Numeric array sort function
|
|
|
1479 |
* @method numericSort
|
|
|
1480 |
* @static
|
|
|
1481 |
*/
|
|
|
1482 |
numericSort: function(a, b) { return (a - b); },
|
|
|
1483 |
|
|
|
1484 |
/**
|
|
|
1485 |
* Internal counter
|
|
|
1486 |
* @property _timeoutCount
|
|
|
1487 |
* @private
|
|
|
1488 |
* @static
|
|
|
1489 |
*/
|
|
|
1490 |
_timeoutCount: 0,
|
|
|
1491 |
|
|
|
1492 |
/**
|
|
|
1493 |
* Trying to make the load order less important. Without this we get
|
|
|
1494 |
* an error if this file is loaded before the Event Utility.
|
|
|
1495 |
* @method _addListeners
|
|
|
1496 |
* @private
|
|
|
1497 |
* @static
|
|
|
1498 |
*/
|
|
|
1499 |
_addListeners: function() {
|
|
|
1500 |
var DDM = YAHOO.util.DDM;
|
|
|
1501 |
if ( YAHOO.util.Event && document ) {
|
|
|
1502 |
DDM._onLoad();
|
|
|
1503 |
} else {
|
|
|
1504 |
if (DDM._timeoutCount > 2000) {
|
|
|
1505 |
} else {
|
|
|
1506 |
setTimeout(DDM._addListeners, 10);
|
|
|
1507 |
if (document && document.body) {
|
|
|
1508 |
DDM._timeoutCount += 1;
|
|
|
1509 |
}
|
|
|
1510 |
}
|
|
|
1511 |
}
|
|
|
1512 |
},
|
|
|
1513 |
|
|
|
1514 |
/**
|
|
|
1515 |
* Recursively searches the immediate parent and all child nodes for
|
|
|
1516 |
* the handle element in order to determine wheter or not it was
|
|
|
1517 |
* clicked.
|
|
|
1518 |
* @method handleWasClicked
|
|
|
1519 |
* @param node the html element to inspect
|
|
|
1520 |
* @static
|
|
|
1521 |
*/
|
|
|
1522 |
handleWasClicked: function(node, id) {
|
|
|
1523 |
if (this.isHandle(id, node.id)) {
|
|
|
1524 |
return true;
|
|
|
1525 |
} else {
|
|
|
1526 |
// check to see if this is a text node child of the one we want
|
|
|
1527 |
var p = node.parentNode;
|
|
|
1528 |
|
|
|
1529 |
while (p) {
|
|
|
1530 |
if (this.isHandle(id, p.id)) {
|
|
|
1531 |
return true;
|
|
|
1532 |
} else {
|
|
|
1533 |
p = p.parentNode;
|
|
|
1534 |
}
|
|
|
1535 |
}
|
|
|
1536 |
}
|
|
|
1537 |
|
|
|
1538 |
return false;
|
|
|
1539 |
}
|
|
|
1540 |
|
|
|
1541 |
};
|
|
|
1542 |
|
|
|
1543 |
}();
|
|
|
1544 |
|
|
|
1545 |
// shorter alias, save a few bytes
|
|
|
1546 |
YAHOO.util.DDM = YAHOO.util.DragDropMgr;
|
|
|
1547 |
YAHOO.util.DDM._addListeners();
|
|
|
1548 |
|
|
|
1549 |
}
|
|
|
1550 |
|
|
|
1551 |
(function() {
|
|
|
1552 |
|
|
|
1553 |
var Event=YAHOO.util.Event;
|
|
|
1554 |
var Dom=YAHOO.util.Dom;
|
|
|
1555 |
|
|
|
1556 |
/**
|
|
|
1557 |
* Defines the interface and base operation of items that that can be
|
|
|
1558 |
* dragged or can be drop targets. It was designed to be extended, overriding
|
|
|
1559 |
* the event handlers for startDrag, onDrag, onDragOver, onDragOut.
|
|
|
1560 |
* Up to three html elements can be associated with a DragDrop instance:
|
|
|
1561 |
* <ul>
|
|
|
1562 |
* <li>linked element: the element that is passed into the constructor.
|
|
|
1563 |
* This is the element which defines the boundaries for interaction with
|
|
|
1564 |
* other DragDrop objects.</li>
|
|
|
1565 |
* <li>handle element(s): The drag operation only occurs if the element that
|
|
|
1566 |
* was clicked matches a handle element. By default this is the linked
|
|
|
1567 |
* element, but there are times that you will want only a portion of the
|
|
|
1568 |
* linked element to initiate the drag operation, and the setHandleElId()
|
|
|
1569 |
* method provides a way to define this.</li>
|
|
|
1570 |
* <li>drag element: this represents an the element that would be moved along
|
|
|
1571 |
* with the cursor during a drag operation. By default, this is the linked
|
|
|
1572 |
* element itself as in {@link YAHOO.util.DD}. setDragElId() lets you define
|
|
|
1573 |
* a separate element that would be moved, as in {@link YAHOO.util.DDProxy}
|
|
|
1574 |
* </li>
|
|
|
1575 |
* </ul>
|
|
|
1576 |
* This class should not be instantiated until the onload event to ensure that
|
|
|
1577 |
* the associated elements are available.
|
|
|
1578 |
* The following would define a DragDrop obj that would interact with any
|
|
|
1579 |
* other DragDrop obj in the "group1" group:
|
|
|
1580 |
* <pre>
|
|
|
1581 |
* dd = new YAHOO.util.DragDrop("div1", "group1");
|
|
|
1582 |
* </pre>
|
|
|
1583 |
* Since none of the event handlers have been implemented, nothing would
|
|
|
1584 |
* actually happen if you were to run the code above. Normally you would
|
|
|
1585 |
* override this class or one of the default implementations, but you can
|
|
|
1586 |
* also override the methods you want on an instance of the class...
|
|
|
1587 |
* <pre>
|
|
|
1588 |
* dd.onDragDrop = function(e, id) {
|
|
|
1589 |
* alert("dd was dropped on " + id);
|
|
|
1590 |
* }
|
|
|
1591 |
* </pre>
|
|
|
1592 |
* @namespace YAHOO.util
|
|
|
1593 |
* @class DragDrop
|
|
|
1594 |
* @constructor
|
|
|
1595 |
* @param {String} id of the element that is linked to this instance
|
|
|
1596 |
* @param {String} sGroup the group of related DragDrop objects
|
|
|
1597 |
* @param {object} config an object containing configurable attributes
|
|
|
1598 |
* Valid properties for DragDrop:
|
|
|
1599 |
* padding, isTarget, maintainOffset, primaryButtonOnly,
|
|
|
1600 |
*/
|
|
|
1601 |
YAHOO.util.DragDrop = function(id, sGroup, config) {
|
|
|
1602 |
if (id) {
|
|
|
1603 |
this.init(id, sGroup, config);
|
|
|
1604 |
}
|
|
|
1605 |
};
|
|
|
1606 |
|
|
|
1607 |
YAHOO.util.DragDrop.prototype = {
|
|
|
1608 |
/**
|
|
|
1609 |
* An Object Literal containing the events that we will be using: mouseDown, b4MouseDown, mouseUp, b4StartDrag, startDrag, b4EndDrag, endDrag, mouseUp, drag, b4Drag, invalidDrop, b4DragOut, dragOut, dragEnter, b4DragOver, dragOver, b4DragDrop, dragDrop
|
|
|
1610 |
* By setting any of these to false, then event will not be fired.
|
|
|
1611 |
* @property events
|
|
|
1612 |
* @type object
|
|
|
1613 |
*/
|
|
|
1614 |
events: null,
|
|
|
1615 |
/**
|
|
|
1616 |
* @method on
|
|
|
1617 |
* @description Shortcut for EventProvider.subscribe, see <a href="YAHOO.util.EventProvider.html#subscribe">YAHOO.util.EventProvider.subscribe</a>
|
|
|
1618 |
*/
|
|
|
1619 |
on: function() {
|
|
|
1620 |
this.subscribe.apply(this, arguments);
|
|
|
1621 |
},
|
|
|
1622 |
/**
|
|
|
1623 |
* The id of the element associated with this object. This is what we
|
|
|
1624 |
* refer to as the "linked element" because the size and position of
|
|
|
1625 |
* this element is used to determine when the drag and drop objects have
|
|
|
1626 |
* interacted.
|
|
|
1627 |
* @property id
|
|
|
1628 |
* @type String
|
|
|
1629 |
*/
|
|
|
1630 |
id: null,
|
|
|
1631 |
|
|
|
1632 |
/**
|
|
|
1633 |
* Configuration attributes passed into the constructor
|
|
|
1634 |
* @property config
|
|
|
1635 |
* @type object
|
|
|
1636 |
*/
|
|
|
1637 |
config: null,
|
|
|
1638 |
|
|
|
1639 |
/**
|
|
|
1640 |
* The id of the element that will be dragged. By default this is same
|
|
|
1641 |
* as the linked element , but could be changed to another element. Ex:
|
|
|
1642 |
* YAHOO.util.DDProxy
|
|
|
1643 |
* @property dragElId
|
|
|
1644 |
* @type String
|
|
|
1645 |
* @private
|
|
|
1646 |
*/
|
|
|
1647 |
dragElId: null,
|
|
|
1648 |
|
|
|
1649 |
/**
|
|
|
1650 |
* the id of the element that initiates the drag operation. By default
|
|
|
1651 |
* this is the linked element, but could be changed to be a child of this
|
|
|
1652 |
* element. This lets us do things like only starting the drag when the
|
|
|
1653 |
* header element within the linked html element is clicked.
|
|
|
1654 |
* @property handleElId
|
|
|
1655 |
* @type String
|
|
|
1656 |
* @private
|
|
|
1657 |
*/
|
|
|
1658 |
handleElId: null,
|
|
|
1659 |
|
|
|
1660 |
/**
|
|
|
1661 |
* An associative array of HTML tags that will be ignored if clicked.
|
|
|
1662 |
* @property invalidHandleTypes
|
|
|
1663 |
* @type {string: string}
|
|
|
1664 |
*/
|
|
|
1665 |
invalidHandleTypes: null,
|
|
|
1666 |
|
|
|
1667 |
/**
|
|
|
1668 |
* An associative array of ids for elements that will be ignored if clicked
|
|
|
1669 |
* @property invalidHandleIds
|
|
|
1670 |
* @type {string: string}
|
|
|
1671 |
*/
|
|
|
1672 |
invalidHandleIds: null,
|
|
|
1673 |
|
|
|
1674 |
/**
|
|
|
1675 |
* An indexted array of css class names for elements that will be ignored
|
|
|
1676 |
* if clicked.
|
|
|
1677 |
* @property invalidHandleClasses
|
|
|
1678 |
* @type string[]
|
|
|
1679 |
*/
|
|
|
1680 |
invalidHandleClasses: null,
|
|
|
1681 |
|
|
|
1682 |
/**
|
|
|
1683 |
* The linked element's absolute X position at the time the drag was
|
|
|
1684 |
* started
|
|
|
1685 |
* @property startPageX
|
|
|
1686 |
* @type int
|
|
|
1687 |
* @private
|
|
|
1688 |
*/
|
|
|
1689 |
startPageX: 0,
|
|
|
1690 |
|
|
|
1691 |
/**
|
|
|
1692 |
* The linked element's absolute X position at the time the drag was
|
|
|
1693 |
* started
|
|
|
1694 |
* @property startPageY
|
|
|
1695 |
* @type int
|
|
|
1696 |
* @private
|
|
|
1697 |
*/
|
|
|
1698 |
startPageY: 0,
|
|
|
1699 |
|
|
|
1700 |
/**
|
|
|
1701 |
* The group defines a logical collection of DragDrop objects that are
|
|
|
1702 |
* related. Instances only get events when interacting with other
|
|
|
1703 |
* DragDrop object in the same group. This lets us define multiple
|
|
|
1704 |
* groups using a single DragDrop subclass if we want.
|
|
|
1705 |
* @property groups
|
|
|
1706 |
* @type {string: string}
|
|
|
1707 |
*/
|
|
|
1708 |
groups: null,
|
|
|
1709 |
|
|
|
1710 |
/**
|
|
|
1711 |
* Individual drag/drop instances can be locked. This will prevent
|
|
|
1712 |
* onmousedown start drag.
|
|
|
1713 |
* @property locked
|
|
|
1714 |
* @type boolean
|
|
|
1715 |
* @private
|
|
|
1716 |
*/
|
|
|
1717 |
locked: false,
|
|
|
1718 |
|
|
|
1719 |
/**
|
|
|
1720 |
* Lock this instance
|
|
|
1721 |
* @method lock
|
|
|
1722 |
*/
|
|
|
1723 |
lock: function() { this.locked = true; },
|
|
|
1724 |
|
|
|
1725 |
/**
|
|
|
1726 |
* Unlock this instace
|
|
|
1727 |
* @method unlock
|
|
|
1728 |
*/
|
|
|
1729 |
unlock: function() { this.locked = false; },
|
|
|
1730 |
|
|
|
1731 |
/**
|
|
|
1732 |
* By default, all instances can be a drop target. This can be disabled by
|
|
|
1733 |
* setting isTarget to false.
|
|
|
1734 |
* @property isTarget
|
|
|
1735 |
* @type boolean
|
|
|
1736 |
*/
|
|
|
1737 |
isTarget: true,
|
|
|
1738 |
|
|
|
1739 |
/**
|
|
|
1740 |
* The padding configured for this drag and drop object for calculating
|
|
|
1741 |
* the drop zone intersection with this object.
|
|
|
1742 |
* @property padding
|
|
|
1743 |
* @type int[]
|
|
|
1744 |
*/
|
|
|
1745 |
padding: null,
|
|
|
1746 |
/**
|
|
|
1747 |
* If this flag is true, do not fire drop events. The element is a drag only element (for movement not dropping)
|
|
|
1748 |
* @property dragOnly
|
|
|
1749 |
* @type Boolean
|
|
|
1750 |
*/
|
|
|
1751 |
dragOnly: false,
|
|
|
1752 |
|
|
|
1753 |
/**
|
|
|
1754 |
* If this flag is true, a shim will be placed over the screen/viewable area to track mouse events. Should help with dragging elements over iframes and other controls.
|
|
|
1755 |
* @property useShim
|
|
|
1756 |
* @type Boolean
|
|
|
1757 |
*/
|
|
|
1758 |
useShim: false,
|
|
|
1759 |
|
|
|
1760 |
/**
|
|
|
1761 |
* Cached reference to the linked element
|
|
|
1762 |
* @property _domRef
|
|
|
1763 |
* @private
|
|
|
1764 |
*/
|
|
|
1765 |
_domRef: null,
|
|
|
1766 |
|
|
|
1767 |
/**
|
|
|
1768 |
* Internal typeof flag
|
|
|
1769 |
* @property __ygDragDrop
|
|
|
1770 |
* @private
|
|
|
1771 |
*/
|
|
|
1772 |
__ygDragDrop: true,
|
|
|
1773 |
|
|
|
1774 |
/**
|
|
|
1775 |
* Set to true when horizontal contraints are applied
|
|
|
1776 |
* @property constrainX
|
|
|
1777 |
* @type boolean
|
|
|
1778 |
* @private
|
|
|
1779 |
*/
|
|
|
1780 |
constrainX: false,
|
|
|
1781 |
|
|
|
1782 |
/**
|
|
|
1783 |
* Set to true when vertical contraints are applied
|
|
|
1784 |
* @property constrainY
|
|
|
1785 |
* @type boolean
|
|
|
1786 |
* @private
|
|
|
1787 |
*/
|
|
|
1788 |
constrainY: false,
|
|
|
1789 |
|
|
|
1790 |
/**
|
|
|
1791 |
* The left constraint
|
|
|
1792 |
* @property minX
|
|
|
1793 |
* @type int
|
|
|
1794 |
* @private
|
|
|
1795 |
*/
|
|
|
1796 |
minX: 0,
|
|
|
1797 |
|
|
|
1798 |
/**
|
|
|
1799 |
* The right constraint
|
|
|
1800 |
* @property maxX
|
|
|
1801 |
* @type int
|
|
|
1802 |
* @private
|
|
|
1803 |
*/
|
|
|
1804 |
maxX: 0,
|
|
|
1805 |
|
|
|
1806 |
/**
|
|
|
1807 |
* The up constraint
|
|
|
1808 |
* @property minY
|
|
|
1809 |
* @type int
|
|
|
1810 |
* @type int
|
|
|
1811 |
* @private
|
|
|
1812 |
*/
|
|
|
1813 |
minY: 0,
|
|
|
1814 |
|
|
|
1815 |
/**
|
|
|
1816 |
* The down constraint
|
|
|
1817 |
* @property maxY
|
|
|
1818 |
* @type int
|
|
|
1819 |
* @private
|
|
|
1820 |
*/
|
|
|
1821 |
maxY: 0,
|
|
|
1822 |
|
|
|
1823 |
/**
|
|
|
1824 |
* The difference between the click position and the source element's location
|
|
|
1825 |
* @property deltaX
|
|
|
1826 |
* @type int
|
|
|
1827 |
* @private
|
|
|
1828 |
*/
|
|
|
1829 |
deltaX: 0,
|
|
|
1830 |
|
|
|
1831 |
/**
|
|
|
1832 |
* The difference between the click position and the source element's location
|
|
|
1833 |
* @property deltaY
|
|
|
1834 |
* @type int
|
|
|
1835 |
* @private
|
|
|
1836 |
*/
|
|
|
1837 |
deltaY: 0,
|
|
|
1838 |
|
|
|
1839 |
/**
|
|
|
1840 |
* Maintain offsets when we resetconstraints. Set to true when you want
|
|
|
1841 |
* the position of the element relative to its parent to stay the same
|
|
|
1842 |
* when the page changes
|
|
|
1843 |
*
|
|
|
1844 |
* @property maintainOffset
|
|
|
1845 |
* @type boolean
|
|
|
1846 |
*/
|
|
|
1847 |
maintainOffset: false,
|
|
|
1848 |
|
|
|
1849 |
/**
|
|
|
1850 |
* Array of pixel locations the element will snap to if we specified a
|
|
|
1851 |
* horizontal graduation/interval. This array is generated automatically
|
|
|
1852 |
* when you define a tick interval.
|
|
|
1853 |
* @property xTicks
|
|
|
1854 |
* @type int[]
|
|
|
1855 |
*/
|
|
|
1856 |
xTicks: null,
|
|
|
1857 |
|
|
|
1858 |
/**
|
|
|
1859 |
* Array of pixel locations the element will snap to if we specified a
|
|
|
1860 |
* vertical graduation/interval. This array is generated automatically
|
|
|
1861 |
* when you define a tick interval.
|
|
|
1862 |
* @property yTicks
|
|
|
1863 |
* @type int[]
|
|
|
1864 |
*/
|
|
|
1865 |
yTicks: null,
|
|
|
1866 |
|
|
|
1867 |
/**
|
|
|
1868 |
* By default the drag and drop instance will only respond to the primary
|
|
|
1869 |
* button click (left button for a right-handed mouse). Set to true to
|
|
|
1870 |
* allow drag and drop to start with any mouse click that is propogated
|
|
|
1871 |
* by the browser
|
|
|
1872 |
* @property primaryButtonOnly
|
|
|
1873 |
* @type boolean
|
|
|
1874 |
*/
|
|
|
1875 |
primaryButtonOnly: true,
|
|
|
1876 |
|
|
|
1877 |
/**
|
|
|
1878 |
* The availabe property is false until the linked dom element is accessible.
|
|
|
1879 |
* @property available
|
|
|
1880 |
* @type boolean
|
|
|
1881 |
*/
|
|
|
1882 |
available: false,
|
|
|
1883 |
|
|
|
1884 |
/**
|
|
|
1885 |
* By default, drags can only be initiated if the mousedown occurs in the
|
|
|
1886 |
* region the linked element is. This is done in part to work around a
|
|
|
1887 |
* bug in some browsers that mis-report the mousedown if the previous
|
|
|
1888 |
* mouseup happened outside of the window. This property is set to true
|
|
|
1889 |
* if outer handles are defined.
|
|
|
1890 |
*
|
|
|
1891 |
* @property hasOuterHandles
|
|
|
1892 |
* @type boolean
|
|
|
1893 |
* @default false
|
|
|
1894 |
*/
|
|
|
1895 |
hasOuterHandles: false,
|
|
|
1896 |
|
|
|
1897 |
/**
|
|
|
1898 |
* Property that is assigned to a drag and drop object when testing to
|
|
|
1899 |
* see if it is being targeted by another dd object. This property
|
|
|
1900 |
* can be used in intersect mode to help determine the focus of
|
|
|
1901 |
* the mouse interaction. DDM.getBestMatch uses this property first to
|
|
|
1902 |
* determine the closest match in INTERSECT mode when multiple targets
|
|
|
1903 |
* are part of the same interaction.
|
|
|
1904 |
* @property cursorIsOver
|
|
|
1905 |
* @type boolean
|
|
|
1906 |
*/
|
|
|
1907 |
cursorIsOver: false,
|
|
|
1908 |
|
|
|
1909 |
/**
|
|
|
1910 |
* Property that is assigned to a drag and drop object when testing to
|
|
|
1911 |
* see if it is being targeted by another dd object. This is a region
|
|
|
1912 |
* that represents the area the draggable element overlaps this target.
|
|
|
1913 |
* DDM.getBestMatch uses this property to compare the size of the overlap
|
|
|
1914 |
* to that of other targets in order to determine the closest match in
|
|
|
1915 |
* INTERSECT mode when multiple targets are part of the same interaction.
|
|
|
1916 |
* @property overlap
|
|
|
1917 |
* @type YAHOO.util.Region
|
|
|
1918 |
*/
|
|
|
1919 |
overlap: null,
|
|
|
1920 |
|
|
|
1921 |
/**
|
|
|
1922 |
* Code that executes immediately before the startDrag event
|
|
|
1923 |
* @method b4StartDrag
|
|
|
1924 |
* @private
|
|
|
1925 |
*/
|
|
|
1926 |
b4StartDrag: function(x, y) { },
|
|
|
1927 |
|
|
|
1928 |
/**
|
|
|
1929 |
* Abstract method called after a drag/drop object is clicked
|
|
|
1930 |
* and the drag or mousedown time thresholds have beeen met.
|
|
|
1931 |
* @method startDrag
|
|
|
1932 |
* @param {int} X click location
|
|
|
1933 |
* @param {int} Y click location
|
|
|
1934 |
*/
|
|
|
1935 |
startDrag: function(x, y) { /* override this */ },
|
|
|
1936 |
|
|
|
1937 |
/**
|
|
|
1938 |
* Code that executes immediately before the onDrag event
|
|
|
1939 |
* @method b4Drag
|
|
|
1940 |
* @private
|
|
|
1941 |
*/
|
|
|
1942 |
b4Drag: function(e) { },
|
|
|
1943 |
|
|
|
1944 |
/**
|
|
|
1945 |
* Abstract method called during the onMouseMove event while dragging an
|
|
|
1946 |
* object.
|
|
|
1947 |
* @method onDrag
|
|
|
1948 |
* @param {Event} e the mousemove event
|
|
|
1949 |
*/
|
|
|
1950 |
onDrag: function(e) { /* override this */ },
|
|
|
1951 |
|
|
|
1952 |
/**
|
|
|
1953 |
* Abstract method called when this element fist begins hovering over
|
|
|
1954 |
* another DragDrop obj
|
|
|
1955 |
* @method onDragEnter
|
|
|
1956 |
* @param {Event} e the mousemove event
|
|
|
1957 |
* @param {String|DragDrop[]} id In POINT mode, the element
|
|
|
1958 |
* id this is hovering over. In INTERSECT mode, an array of one or more
|
|
|
1959 |
* dragdrop items being hovered over.
|
|
|
1960 |
*/
|
|
|
1961 |
onDragEnter: function(e, id) { /* override this */ },
|
|
|
1962 |
|
|
|
1963 |
/**
|
|
|
1964 |
* Code that executes immediately before the onDragOver event
|
|
|
1965 |
* @method b4DragOver
|
|
|
1966 |
* @private
|
|
|
1967 |
*/
|
|
|
1968 |
b4DragOver: function(e) { },
|
|
|
1969 |
|
|
|
1970 |
/**
|
|
|
1971 |
* Abstract method called when this element is hovering over another
|
|
|
1972 |
* DragDrop obj
|
|
|
1973 |
* @method onDragOver
|
|
|
1974 |
* @param {Event} e the mousemove event
|
|
|
1975 |
* @param {String|DragDrop[]} id In POINT mode, the element
|
|
|
1976 |
* id this is hovering over. In INTERSECT mode, an array of dd items
|
|
|
1977 |
* being hovered over.
|
|
|
1978 |
*/
|
|
|
1979 |
onDragOver: function(e, id) { /* override this */ },
|
|
|
1980 |
|
|
|
1981 |
/**
|
|
|
1982 |
* Code that executes immediately before the onDragOut event
|
|
|
1983 |
* @method b4DragOut
|
|
|
1984 |
* @private
|
|
|
1985 |
*/
|
|
|
1986 |
b4DragOut: function(e) { },
|
|
|
1987 |
|
|
|
1988 |
/**
|
|
|
1989 |
* Abstract method called when we are no longer hovering over an element
|
|
|
1990 |
* @method onDragOut
|
|
|
1991 |
* @param {Event} e the mousemove event
|
|
|
1992 |
* @param {String|DragDrop[]} id In POINT mode, the element
|
|
|
1993 |
* id this was hovering over. In INTERSECT mode, an array of dd items
|
|
|
1994 |
* that the mouse is no longer over.
|
|
|
1995 |
*/
|
|
|
1996 |
onDragOut: function(e, id) { /* override this */ },
|
|
|
1997 |
|
|
|
1998 |
/**
|
|
|
1999 |
* Code that executes immediately before the onDragDrop event
|
|
|
2000 |
* @method b4DragDrop
|
|
|
2001 |
* @private
|
|
|
2002 |
*/
|
|
|
2003 |
b4DragDrop: function(e) { },
|
|
|
2004 |
|
|
|
2005 |
/**
|
|
|
2006 |
* Abstract method called when this item is dropped on another DragDrop
|
|
|
2007 |
* obj
|
|
|
2008 |
* @method onDragDrop
|
|
|
2009 |
* @param {Event} e the mouseup event
|
|
|
2010 |
* @param {String|DragDrop[]} id In POINT mode, the element
|
|
|
2011 |
* id this was dropped on. In INTERSECT mode, an array of dd items this
|
|
|
2012 |
* was dropped on.
|
|
|
2013 |
*/
|
|
|
2014 |
onDragDrop: function(e, id) { /* override this */ },
|
|
|
2015 |
|
|
|
2016 |
/**
|
|
|
2017 |
* Abstract method called when this item is dropped on an area with no
|
|
|
2018 |
* drop target
|
|
|
2019 |
* @method onInvalidDrop
|
|
|
2020 |
* @param {Event} e the mouseup event
|
|
|
2021 |
*/
|
|
|
2022 |
onInvalidDrop: function(e) { /* override this */ },
|
|
|
2023 |
|
|
|
2024 |
/**
|
|
|
2025 |
* Code that executes immediately before the endDrag event
|
|
|
2026 |
* @method b4EndDrag
|
|
|
2027 |
* @private
|
|
|
2028 |
*/
|
|
|
2029 |
b4EndDrag: function(e) { },
|
|
|
2030 |
|
|
|
2031 |
/**
|
|
|
2032 |
* Fired when we are done dragging the object
|
|
|
2033 |
* @method endDrag
|
|
|
2034 |
* @param {Event} e the mouseup event
|
|
|
2035 |
*/
|
|
|
2036 |
endDrag: function(e) { /* override this */ },
|
|
|
2037 |
|
|
|
2038 |
/**
|
|
|
2039 |
* Code executed immediately before the onMouseDown event
|
|
|
2040 |
* @method b4MouseDown
|
|
|
2041 |
* @param {Event} e the mousedown event
|
|
|
2042 |
* @private
|
|
|
2043 |
*/
|
|
|
2044 |
b4MouseDown: function(e) { },
|
|
|
2045 |
|
|
|
2046 |
/**
|
|
|
2047 |
* Event handler that fires when a drag/drop obj gets a mousedown
|
|
|
2048 |
* @method onMouseDown
|
|
|
2049 |
* @param {Event} e the mousedown event
|
|
|
2050 |
*/
|
|
|
2051 |
onMouseDown: function(e) { /* override this */ },
|
|
|
2052 |
|
|
|
2053 |
/**
|
|
|
2054 |
* Event handler that fires when a drag/drop obj gets a mouseup
|
|
|
2055 |
* @method onMouseUp
|
|
|
2056 |
* @param {Event} e the mouseup event
|
|
|
2057 |
*/
|
|
|
2058 |
onMouseUp: function(e) { /* override this */ },
|
|
|
2059 |
|
|
|
2060 |
/**
|
|
|
2061 |
* Override the onAvailable method to do what is needed after the initial
|
|
|
2062 |
* position was determined.
|
|
|
2063 |
* @method onAvailable
|
|
|
2064 |
*/
|
|
|
2065 |
onAvailable: function () {
|
|
|
2066 |
},
|
|
|
2067 |
|
|
|
2068 |
/**
|
|
|
2069 |
* Returns a reference to the linked element
|
|
|
2070 |
* @method getEl
|
|
|
2071 |
* @return {HTMLElement} the html element
|
|
|
2072 |
*/
|
|
|
2073 |
getEl: function() {
|
|
|
2074 |
if (!this._domRef) {
|
|
|
2075 |
this._domRef = Dom.get(this.id);
|
|
|
2076 |
}
|
|
|
2077 |
|
|
|
2078 |
return this._domRef;
|
|
|
2079 |
},
|
|
|
2080 |
|
|
|
2081 |
/**
|
|
|
2082 |
* Returns a reference to the actual element to drag. By default this is
|
|
|
2083 |
* the same as the html element, but it can be assigned to another
|
|
|
2084 |
* element. An example of this can be found in YAHOO.util.DDProxy
|
|
|
2085 |
* @method getDragEl
|
|
|
2086 |
* @return {HTMLElement} the html element
|
|
|
2087 |
*/
|
|
|
2088 |
getDragEl: function() {
|
|
|
2089 |
return Dom.get(this.dragElId);
|
|
|
2090 |
},
|
|
|
2091 |
|
|
|
2092 |
/**
|
|
|
2093 |
* Sets up the DragDrop object. Must be called in the constructor of any
|
|
|
2094 |
* YAHOO.util.DragDrop subclass
|
|
|
2095 |
* @method init
|
|
|
2096 |
* @param id the id of the linked element
|
|
|
2097 |
* @param {String} sGroup the group of related items
|
|
|
2098 |
* @param {object} config configuration attributes
|
|
|
2099 |
*/
|
|
|
2100 |
init: function(id, sGroup, config) {
|
|
|
2101 |
this.initTarget(id, sGroup, config);
|
|
|
2102 |
Event.on(this._domRef || this.id, "mousedown",
|
|
|
2103 |
this.handleMouseDown, this, true);
|
|
|
2104 |
|
|
|
2105 |
// Event.on(this.id, "selectstart", Event.preventDefault);
|
|
|
2106 |
for (var i in this.events) {
|
|
|
2107 |
this.createEvent(i + 'Event');
|
|
|
2108 |
}
|
|
|
2109 |
|
|
|
2110 |
},
|
|
|
2111 |
|
|
|
2112 |
/**
|
|
|
2113 |
* Initializes Targeting functionality only... the object does not
|
|
|
2114 |
* get a mousedown handler.
|
|
|
2115 |
* @method initTarget
|
|
|
2116 |
* @param id the id of the linked element
|
|
|
2117 |
* @param {String} sGroup the group of related items
|
|
|
2118 |
* @param {object} config configuration attributes
|
|
|
2119 |
*/
|
|
|
2120 |
initTarget: function(id, sGroup, config) {
|
|
|
2121 |
|
|
|
2122 |
// configuration attributes
|
|
|
2123 |
this.config = config || {};
|
|
|
2124 |
|
|
|
2125 |
this.events = {};
|
|
|
2126 |
|
|
|
2127 |
// create a local reference to the drag and drop manager
|
|
|
2128 |
this.DDM = YAHOO.util.DDM;
|
|
|
2129 |
|
|
|
2130 |
// initialize the groups object
|
|
|
2131 |
this.groups = {};
|
|
|
2132 |
|
|
|
2133 |
// assume that we have an element reference instead of an id if the
|
|
|
2134 |
// parameter is not a string
|
|
|
2135 |
if (typeof id !== "string") {
|
|
|
2136 |
this._domRef = id;
|
|
|
2137 |
id = Dom.generateId(id);
|
|
|
2138 |
}
|
|
|
2139 |
|
|
|
2140 |
// set the id
|
|
|
2141 |
this.id = id;
|
|
|
2142 |
|
|
|
2143 |
// add to an interaction group
|
|
|
2144 |
this.addToGroup((sGroup) ? sGroup : "default");
|
|
|
2145 |
|
|
|
2146 |
// We don't want to register this as the handle with the manager
|
|
|
2147 |
// so we just set the id rather than calling the setter.
|
|
|
2148 |
this.handleElId = id;
|
|
|
2149 |
|
|
|
2150 |
Event.onAvailable(id, this.handleOnAvailable, this, true);
|
|
|
2151 |
|
|
|
2152 |
|
|
|
2153 |
// the linked element is the element that gets dragged by default
|
|
|
2154 |
this.setDragElId(id);
|
|
|
2155 |
|
|
|
2156 |
// by default, clicked anchors will not start drag operations.
|
|
|
2157 |
// @TODO what else should be here? Probably form fields.
|
|
|
2158 |
this.invalidHandleTypes = { A: "A" };
|
|
|
2159 |
this.invalidHandleIds = {};
|
|
|
2160 |
this.invalidHandleClasses = [];
|
|
|
2161 |
|
|
|
2162 |
this.applyConfig();
|
|
|
2163 |
},
|
|
|
2164 |
|
|
|
2165 |
/**
|
|
|
2166 |
* Applies the configuration parameters that were passed into the constructor.
|
|
|
2167 |
* This is supposed to happen at each level through the inheritance chain. So
|
|
|
2168 |
* a DDProxy implentation will execute apply config on DDProxy, DD, and
|
|
|
2169 |
* DragDrop in order to get all of the parameters that are available in
|
|
|
2170 |
* each object.
|
|
|
2171 |
* @method applyConfig
|
|
|
2172 |
*/
|
|
|
2173 |
applyConfig: function() {
|
|
|
2174 |
this.events = {
|
|
|
2175 |
mouseDown: true,
|
|
|
2176 |
b4MouseDown: true,
|
|
|
2177 |
mouseUp: true,
|
|
|
2178 |
b4StartDrag: true,
|
|
|
2179 |
startDrag: true,
|
|
|
2180 |
b4EndDrag: true,
|
|
|
2181 |
endDrag: true,
|
|
|
2182 |
drag: true,
|
|
|
2183 |
b4Drag: true,
|
|
|
2184 |
invalidDrop: true,
|
|
|
2185 |
b4DragOut: true,
|
|
|
2186 |
dragOut: true,
|
|
|
2187 |
dragEnter: true,
|
|
|
2188 |
b4DragOver: true,
|
|
|
2189 |
dragOver: true,
|
|
|
2190 |
b4DragDrop: true,
|
|
|
2191 |
dragDrop: true
|
|
|
2192 |
};
|
|
|
2193 |
|
|
|
2194 |
if (this.config.events) {
|
|
|
2195 |
for (var i in this.config.events) {
|
|
|
2196 |
if (this.config.events[i] === false) {
|
|
|
2197 |
this.events[i] = false;
|
|
|
2198 |
}
|
|
|
2199 |
}
|
|
|
2200 |
}
|
|
|
2201 |
|
|
|
2202 |
|
|
|
2203 |
// configurable properties:
|
|
|
2204 |
// padding, isTarget, maintainOffset, primaryButtonOnly
|
|
|
2205 |
this.padding = this.config.padding || [0, 0, 0, 0];
|
|
|
2206 |
this.isTarget = (this.config.isTarget !== false);
|
|
|
2207 |
this.maintainOffset = (this.config.maintainOffset);
|
|
|
2208 |
this.primaryButtonOnly = (this.config.primaryButtonOnly !== false);
|
|
|
2209 |
this.dragOnly = ((this.config.dragOnly === true) ? true : false);
|
|
|
2210 |
this.useShim = ((this.config.useShim === true) ? true : false);
|
|
|
2211 |
},
|
|
|
2212 |
|
|
|
2213 |
/**
|
|
|
2214 |
* Executed when the linked element is available
|
|
|
2215 |
* @method handleOnAvailable
|
|
|
2216 |
* @private
|
|
|
2217 |
*/
|
|
|
2218 |
handleOnAvailable: function() {
|
|
|
2219 |
this.available = true;
|
|
|
2220 |
this.resetConstraints();
|
|
|
2221 |
this.onAvailable();
|
|
|
2222 |
},
|
|
|
2223 |
|
|
|
2224 |
/**
|
|
|
2225 |
* Configures the padding for the target zone in px. Effectively expands
|
|
|
2226 |
* (or reduces) the virtual object size for targeting calculations.
|
|
|
2227 |
* Supports css-style shorthand; if only one parameter is passed, all sides
|
|
|
2228 |
* will have that padding, and if only two are passed, the top and bottom
|
|
|
2229 |
* will have the first param, the left and right the second.
|
|
|
2230 |
* @method setPadding
|
|
|
2231 |
* @param {int} iTop Top pad
|
|
|
2232 |
* @param {int} iRight Right pad
|
|
|
2233 |
* @param {int} iBot Bot pad
|
|
|
2234 |
* @param {int} iLeft Left pad
|
|
|
2235 |
*/
|
|
|
2236 |
setPadding: function(iTop, iRight, iBot, iLeft) {
|
|
|
2237 |
// this.padding = [iLeft, iRight, iTop, iBot];
|
|
|
2238 |
if (!iRight && 0 !== iRight) {
|
|
|
2239 |
this.padding = [iTop, iTop, iTop, iTop];
|
|
|
2240 |
} else if (!iBot && 0 !== iBot) {
|
|
|
2241 |
this.padding = [iTop, iRight, iTop, iRight];
|
|
|
2242 |
} else {
|
|
|
2243 |
this.padding = [iTop, iRight, iBot, iLeft];
|
|
|
2244 |
}
|
|
|
2245 |
},
|
|
|
2246 |
|
|
|
2247 |
/**
|
|
|
2248 |
* Stores the initial placement of the linked element.
|
|
|
2249 |
* @method setInitialPosition
|
|
|
2250 |
* @param {int} diffX the X offset, default 0
|
|
|
2251 |
* @param {int} diffY the Y offset, default 0
|
|
|
2252 |
* @private
|
|
|
2253 |
*/
|
|
|
2254 |
setInitPosition: function(diffX, diffY) {
|
|
|
2255 |
var el = this.getEl();
|
|
|
2256 |
|
|
|
2257 |
if (!this.DDM.verifyEl(el)) {
|
|
|
2258 |
if (el && el.style && (el.style.display == 'none')) {
|
|
|
2259 |
} else {
|
|
|
2260 |
}
|
|
|
2261 |
return;
|
|
|
2262 |
}
|
|
|
2263 |
|
|
|
2264 |
var dx = diffX || 0;
|
|
|
2265 |
var dy = diffY || 0;
|
|
|
2266 |
|
|
|
2267 |
var p = Dom.getXY( el );
|
|
|
2268 |
|
|
|
2269 |
this.initPageX = p[0] - dx;
|
|
|
2270 |
this.initPageY = p[1] - dy;
|
|
|
2271 |
|
|
|
2272 |
this.lastPageX = p[0];
|
|
|
2273 |
this.lastPageY = p[1];
|
|
|
2274 |
|
|
|
2275 |
|
|
|
2276 |
|
|
|
2277 |
this.setStartPosition(p);
|
|
|
2278 |
},
|
|
|
2279 |
|
|
|
2280 |
/**
|
|
|
2281 |
* Sets the start position of the element. This is set when the obj
|
|
|
2282 |
* is initialized, the reset when a drag is started.
|
|
|
2283 |
* @method setStartPosition
|
|
|
2284 |
* @param pos current position (from previous lookup)
|
|
|
2285 |
* @private
|
|
|
2286 |
*/
|
|
|
2287 |
setStartPosition: function(pos) {
|
|
|
2288 |
var p = pos || Dom.getXY(this.getEl());
|
|
|
2289 |
|
|
|
2290 |
this.deltaSetXY = null;
|
|
|
2291 |
|
|
|
2292 |
this.startPageX = p[0];
|
|
|
2293 |
this.startPageY = p[1];
|
|
|
2294 |
},
|
|
|
2295 |
|
|
|
2296 |
/**
|
|
|
2297 |
* Add this instance to a group of related drag/drop objects. All
|
|
|
2298 |
* instances belong to at least one group, and can belong to as many
|
|
|
2299 |
* groups as needed.
|
|
|
2300 |
* @method addToGroup
|
|
|
2301 |
* @param sGroup {string} the name of the group
|
|
|
2302 |
*/
|
|
|
2303 |
addToGroup: function(sGroup) {
|
|
|
2304 |
this.groups[sGroup] = true;
|
|
|
2305 |
this.DDM.regDragDrop(this, sGroup);
|
|
|
2306 |
},
|
|
|
2307 |
|
|
|
2308 |
/**
|
|
|
2309 |
* Remove's this instance from the supplied interaction group
|
|
|
2310 |
* @method removeFromGroup
|
|
|
2311 |
* @param {string} sGroup The group to drop
|
|
|
2312 |
*/
|
|
|
2313 |
removeFromGroup: function(sGroup) {
|
|
|
2314 |
if (this.groups[sGroup]) {
|
|
|
2315 |
delete this.groups[sGroup];
|
|
|
2316 |
}
|
|
|
2317 |
|
|
|
2318 |
this.DDM.removeDDFromGroup(this, sGroup);
|
|
|
2319 |
},
|
|
|
2320 |
|
|
|
2321 |
/**
|
|
|
2322 |
* Allows you to specify that an element other than the linked element
|
|
|
2323 |
* will be moved with the cursor during a drag
|
|
|
2324 |
* @method setDragElId
|
|
|
2325 |
* @param id {string} the id of the element that will be used to initiate the drag
|
|
|
2326 |
*/
|
|
|
2327 |
setDragElId: function(id) {
|
|
|
2328 |
this.dragElId = id;
|
|
|
2329 |
},
|
|
|
2330 |
|
|
|
2331 |
/**
|
|
|
2332 |
* Allows you to specify a child of the linked element that should be
|
|
|
2333 |
* used to initiate the drag operation. An example of this would be if
|
|
|
2334 |
* you have a content div with text and links. Clicking anywhere in the
|
|
|
2335 |
* content area would normally start the drag operation. Use this method
|
|
|
2336 |
* to specify that an element inside of the content div is the element
|
|
|
2337 |
* that starts the drag operation.
|
|
|
2338 |
* @method setHandleElId
|
|
|
2339 |
* @param id {string} the id of the element that will be used to
|
|
|
2340 |
* initiate the drag.
|
|
|
2341 |
*/
|
|
|
2342 |
setHandleElId: function(id) {
|
|
|
2343 |
if (typeof id !== "string") {
|
|
|
2344 |
id = Dom.generateId(id);
|
|
|
2345 |
}
|
|
|
2346 |
this.handleElId = id;
|
|
|
2347 |
this.DDM.regHandle(this.id, id);
|
|
|
2348 |
},
|
|
|
2349 |
|
|
|
2350 |
/**
|
|
|
2351 |
* Allows you to set an element outside of the linked element as a drag
|
|
|
2352 |
* handle
|
|
|
2353 |
* @method setOuterHandleElId
|
|
|
2354 |
* @param id the id of the element that will be used to initiate the drag
|
|
|
2355 |
*/
|
|
|
2356 |
setOuterHandleElId: function(id) {
|
|
|
2357 |
if (typeof id !== "string") {
|
|
|
2358 |
id = Dom.generateId(id);
|
|
|
2359 |
}
|
|
|
2360 |
Event.on(id, "mousedown",
|
|
|
2361 |
this.handleMouseDown, this, true);
|
|
|
2362 |
this.setHandleElId(id);
|
|
|
2363 |
|
|
|
2364 |
this.hasOuterHandles = true;
|
|
|
2365 |
},
|
|
|
2366 |
|
|
|
2367 |
/**
|
|
|
2368 |
* Remove all drag and drop hooks for this element
|
|
|
2369 |
* @method unreg
|
|
|
2370 |
*/
|
|
|
2371 |
unreg: function() {
|
|
|
2372 |
Event.removeListener(this.id, "mousedown",
|
|
|
2373 |
this.handleMouseDown);
|
|
|
2374 |
this._domRef = null;
|
|
|
2375 |
this.DDM._remove(this);
|
|
|
2376 |
},
|
|
|
2377 |
|
|
|
2378 |
/**
|
|
|
2379 |
* Returns true if this instance is locked, or the drag drop mgr is locked
|
|
|
2380 |
* (meaning that all drag/drop is disabled on the page.)
|
|
|
2381 |
* @method isLocked
|
|
|
2382 |
* @return {boolean} true if this obj or all drag/drop is locked, else
|
|
|
2383 |
* false
|
|
|
2384 |
*/
|
|
|
2385 |
isLocked: function() {
|
|
|
2386 |
return (this.DDM.isLocked() || this.locked);
|
|
|
2387 |
},
|
|
|
2388 |
|
|
|
2389 |
/**
|
|
|
2390 |
* Fired when this object is clicked
|
|
|
2391 |
* @method handleMouseDown
|
|
|
2392 |
* @param {Event} e
|
|
|
2393 |
* @param {YAHOO.util.DragDrop} oDD the clicked dd object (this dd obj)
|
|
|
2394 |
* @private
|
|
|
2395 |
*/
|
|
|
2396 |
handleMouseDown: function(e, oDD) {
|
|
|
2397 |
|
|
|
2398 |
var button = e.which || e.button;
|
|
|
2399 |
|
|
|
2400 |
if (this.primaryButtonOnly && button > 1) {
|
|
|
2401 |
return;
|
|
|
2402 |
}
|
|
|
2403 |
|
|
|
2404 |
if (this.isLocked()) {
|
|
|
2405 |
return;
|
|
|
2406 |
}
|
|
|
2407 |
|
|
|
2408 |
|
|
|
2409 |
|
|
|
2410 |
// firing the mousedown events prior to calculating positions
|
|
|
2411 |
var b4Return = this.b4MouseDown(e),
|
|
|
2412 |
b4Return2 = true;
|
|
|
2413 |
|
|
|
2414 |
if (this.events.b4MouseDown) {
|
|
|
2415 |
b4Return2 = this.fireEvent('b4MouseDownEvent', e);
|
|
|
2416 |
}
|
|
|
2417 |
var mDownReturn = this.onMouseDown(e),
|
|
|
2418 |
mDownReturn2 = true;
|
|
|
2419 |
if (this.events.mouseDown) {
|
|
|
2420 |
if (mDownReturn === false) {
|
|
|
2421 |
//Fixes #2528759 - Mousedown function returned false, don't fire the event and cancel everything.
|
|
|
2422 |
mDownReturn2 = false;
|
|
|
2423 |
} else {
|
|
|
2424 |
mDownReturn2 = this.fireEvent('mouseDownEvent', e);
|
|
|
2425 |
}
|
|
|
2426 |
}
|
|
|
2427 |
|
|
|
2428 |
if ((b4Return === false) || (mDownReturn === false) || (b4Return2 === false) || (mDownReturn2 === false)) {
|
|
|
2429 |
return;
|
|
|
2430 |
}
|
|
|
2431 |
|
|
|
2432 |
this.DDM.refreshCache(this.groups);
|
|
|
2433 |
// var self = this;
|
|
|
2434 |
// setTimeout( function() { self.DDM.refreshCache(self.groups); }, 0);
|
|
|
2435 |
|
|
|
2436 |
// Only process the event if we really clicked within the linked
|
|
|
2437 |
// element. The reason we make this check is that in the case that
|
|
|
2438 |
// another element was moved between the clicked element and the
|
|
|
2439 |
// cursor in the time between the mousedown and mouseup events. When
|
|
|
2440 |
// this happens, the element gets the next mousedown event
|
|
|
2441 |
// regardless of where on the screen it happened.
|
|
|
2442 |
var pt = new YAHOO.util.Point(Event.getPageX(e), Event.getPageY(e));
|
|
|
2443 |
if (!this.hasOuterHandles && !this.DDM.isOverTarget(pt, this) ) {
|
|
|
2444 |
} else {
|
|
|
2445 |
if (this.clickValidator(e)) {
|
|
|
2446 |
|
|
|
2447 |
|
|
|
2448 |
// set the initial element position
|
|
|
2449 |
this.setStartPosition();
|
|
|
2450 |
|
|
|
2451 |
// start tracking mousemove distance and mousedown time to
|
|
|
2452 |
// determine when to start the actual drag
|
|
|
2453 |
this.DDM.handleMouseDown(e, this);
|
|
|
2454 |
|
|
|
2455 |
// this mousedown is mine
|
|
|
2456 |
this.DDM.stopEvent(e);
|
|
|
2457 |
} else {
|
|
|
2458 |
|
|
|
2459 |
|
|
|
2460 |
}
|
|
|
2461 |
}
|
|
|
2462 |
},
|
|
|
2463 |
|
|
|
2464 |
/**
|
|
|
2465 |
* @method clickValidator
|
|
|
2466 |
* @description Method validates that the clicked element
|
|
|
2467 |
* was indeed the handle or a valid child of the handle
|
|
|
2468 |
* @param {Event} e
|
|
|
2469 |
*/
|
|
|
2470 |
clickValidator: function(e) {
|
|
|
2471 |
var target = YAHOO.util.Event.getTarget(e);
|
|
|
2472 |
return ( this.isValidHandleChild(target) &&
|
|
|
2473 |
(this.id == this.handleElId ||
|
|
|
2474 |
this.DDM.handleWasClicked(target, this.id)) );
|
|
|
2475 |
},
|
|
|
2476 |
|
|
|
2477 |
/**
|
|
|
2478 |
* Finds the location the element should be placed if we want to move
|
|
|
2479 |
* it to where the mouse location less the click offset would place us.
|
|
|
2480 |
* @method getTargetCoord
|
|
|
2481 |
* @param {int} iPageX the X coordinate of the click
|
|
|
2482 |
* @param {int} iPageY the Y coordinate of the click
|
|
|
2483 |
* @return an object that contains the coordinates (Object.x and Object.y)
|
|
|
2484 |
* @private
|
|
|
2485 |
*/
|
|
|
2486 |
getTargetCoord: function(iPageX, iPageY) {
|
|
|
2487 |
|
|
|
2488 |
|
|
|
2489 |
var x = iPageX - this.deltaX;
|
|
|
2490 |
var y = iPageY - this.deltaY;
|
|
|
2491 |
|
|
|
2492 |
if (this.constrainX) {
|
|
|
2493 |
if (x < this.minX) { x = this.minX; }
|
|
|
2494 |
if (x > this.maxX) { x = this.maxX; }
|
|
|
2495 |
}
|
|
|
2496 |
|
|
|
2497 |
if (this.constrainY) {
|
|
|
2498 |
if (y < this.minY) { y = this.minY; }
|
|
|
2499 |
if (y > this.maxY) { y = this.maxY; }
|
|
|
2500 |
}
|
|
|
2501 |
|
|
|
2502 |
x = this.getTick(x, this.xTicks);
|
|
|
2503 |
y = this.getTick(y, this.yTicks);
|
|
|
2504 |
|
|
|
2505 |
|
|
|
2506 |
return {x:x, y:y};
|
|
|
2507 |
},
|
|
|
2508 |
|
|
|
2509 |
/**
|
|
|
2510 |
* Allows you to specify a tag name that should not start a drag operation
|
|
|
2511 |
* when clicked. This is designed to facilitate embedding links within a
|
|
|
2512 |
* drag handle that do something other than start the drag.
|
|
|
2513 |
* @method addInvalidHandleType
|
|
|
2514 |
* @param {string} tagName the type of element to exclude
|
|
|
2515 |
*/
|
|
|
2516 |
addInvalidHandleType: function(tagName) {
|
|
|
2517 |
var type = tagName.toUpperCase();
|
|
|
2518 |
this.invalidHandleTypes[type] = type;
|
|
|
2519 |
},
|
|
|
2520 |
|
|
|
2521 |
/**
|
|
|
2522 |
* Lets you to specify an element id for a child of a drag handle
|
|
|
2523 |
* that should not initiate a drag
|
|
|
2524 |
* @method addInvalidHandleId
|
|
|
2525 |
* @param {string} id the element id of the element you wish to ignore
|
|
|
2526 |
*/
|
|
|
2527 |
addInvalidHandleId: function(id) {
|
|
|
2528 |
if (typeof id !== "string") {
|
|
|
2529 |
id = Dom.generateId(id);
|
|
|
2530 |
}
|
|
|
2531 |
this.invalidHandleIds[id] = id;
|
|
|
2532 |
},
|
|
|
2533 |
|
|
|
2534 |
|
|
|
2535 |
/**
|
|
|
2536 |
* Lets you specify a css class of elements that will not initiate a drag
|
|
|
2537 |
* @method addInvalidHandleClass
|
|
|
2538 |
* @param {string} cssClass the class of the elements you wish to ignore
|
|
|
2539 |
*/
|
|
|
2540 |
addInvalidHandleClass: function(cssClass) {
|
|
|
2541 |
this.invalidHandleClasses.push(cssClass);
|
|
|
2542 |
},
|
|
|
2543 |
|
|
|
2544 |
/**
|
|
|
2545 |
* Unsets an excluded tag name set by addInvalidHandleType
|
|
|
2546 |
* @method removeInvalidHandleType
|
|
|
2547 |
* @param {string} tagName the type of element to unexclude
|
|
|
2548 |
*/
|
|
|
2549 |
removeInvalidHandleType: function(tagName) {
|
|
|
2550 |
var type = tagName.toUpperCase();
|
|
|
2551 |
// this.invalidHandleTypes[type] = null;
|
|
|
2552 |
delete this.invalidHandleTypes[type];
|
|
|
2553 |
},
|
|
|
2554 |
|
|
|
2555 |
/**
|
|
|
2556 |
* Unsets an invalid handle id
|
|
|
2557 |
* @method removeInvalidHandleId
|
|
|
2558 |
* @param {string} id the id of the element to re-enable
|
|
|
2559 |
*/
|
|
|
2560 |
removeInvalidHandleId: function(id) {
|
|
|
2561 |
if (typeof id !== "string") {
|
|
|
2562 |
id = Dom.generateId(id);
|
|
|
2563 |
}
|
|
|
2564 |
delete this.invalidHandleIds[id];
|
|
|
2565 |
},
|
|
|
2566 |
|
|
|
2567 |
/**
|
|
|
2568 |
* Unsets an invalid css class
|
|
|
2569 |
* @method removeInvalidHandleClass
|
|
|
2570 |
* @param {string} cssClass the class of the element(s) you wish to
|
|
|
2571 |
* re-enable
|
|
|
2572 |
*/
|
|
|
2573 |
removeInvalidHandleClass: function(cssClass) {
|
|
|
2574 |
for (var i=0, len=this.invalidHandleClasses.length; i<len; ++i) {
|
|
|
2575 |
if (this.invalidHandleClasses[i] == cssClass) {
|
|
|
2576 |
delete this.invalidHandleClasses[i];
|
|
|
2577 |
}
|
|
|
2578 |
}
|
|
|
2579 |
},
|
|
|
2580 |
|
|
|
2581 |
/**
|
|
|
2582 |
* Checks the tag exclusion list to see if this click should be ignored
|
|
|
2583 |
* @method isValidHandleChild
|
|
|
2584 |
* @param {HTMLElement} node the HTMLElement to evaluate
|
|
|
2585 |
* @return {boolean} true if this is a valid tag type, false if not
|
|
|
2586 |
*/
|
|
|
2587 |
isValidHandleChild: function(node) {
|
|
|
2588 |
|
|
|
2589 |
var valid = true;
|
|
|
2590 |
// var n = (node.nodeName == "#text") ? node.parentNode : node;
|
|
|
2591 |
var nodeName;
|
|
|
2592 |
try {
|
|
|
2593 |
nodeName = node.nodeName.toUpperCase();
|
|
|
2594 |
} catch(e) {
|
|
|
2595 |
nodeName = node.nodeName;
|
|
|
2596 |
}
|
|
|
2597 |
valid = valid && !this.invalidHandleTypes[nodeName];
|
|
|
2598 |
valid = valid && !this.invalidHandleIds[node.id];
|
|
|
2599 |
|
|
|
2600 |
for (var i=0, len=this.invalidHandleClasses.length; valid && i<len; ++i) {
|
|
|
2601 |
valid = !Dom.hasClass(node, this.invalidHandleClasses[i]);
|
|
|
2602 |
}
|
|
|
2603 |
|
|
|
2604 |
|
|
|
2605 |
return valid;
|
|
|
2606 |
|
|
|
2607 |
},
|
|
|
2608 |
|
|
|
2609 |
/**
|
|
|
2610 |
* Create the array of horizontal tick marks if an interval was specified
|
|
|
2611 |
* in setXConstraint().
|
|
|
2612 |
* @method setXTicks
|
|
|
2613 |
* @private
|
|
|
2614 |
*/
|
|
|
2615 |
setXTicks: function(iStartX, iTickSize) {
|
|
|
2616 |
this.xTicks = [];
|
|
|
2617 |
this.xTickSize = iTickSize;
|
|
|
2618 |
|
|
|
2619 |
var tickMap = {};
|
|
|
2620 |
|
|
|
2621 |
for (var i = this.initPageX; i >= this.minX; i = i - iTickSize) {
|
|
|
2622 |
if (!tickMap[i]) {
|
|
|
2623 |
this.xTicks[this.xTicks.length] = i;
|
|
|
2624 |
tickMap[i] = true;
|
|
|
2625 |
}
|
|
|
2626 |
}
|
|
|
2627 |
|
|
|
2628 |
for (i = this.initPageX; i <= this.maxX; i = i + iTickSize) {
|
|
|
2629 |
if (!tickMap[i]) {
|
|
|
2630 |
this.xTicks[this.xTicks.length] = i;
|
|
|
2631 |
tickMap[i] = true;
|
|
|
2632 |
}
|
|
|
2633 |
}
|
|
|
2634 |
|
|
|
2635 |
this.xTicks.sort(this.DDM.numericSort) ;
|
|
|
2636 |
},
|
|
|
2637 |
|
|
|
2638 |
/**
|
|
|
2639 |
* Create the array of vertical tick marks if an interval was specified in
|
|
|
2640 |
* setYConstraint().
|
|
|
2641 |
* @method setYTicks
|
|
|
2642 |
* @private
|
|
|
2643 |
*/
|
|
|
2644 |
setYTicks: function(iStartY, iTickSize) {
|
|
|
2645 |
this.yTicks = [];
|
|
|
2646 |
this.yTickSize = iTickSize;
|
|
|
2647 |
|
|
|
2648 |
var tickMap = {};
|
|
|
2649 |
|
|
|
2650 |
for (var i = this.initPageY; i >= this.minY; i = i - iTickSize) {
|
|
|
2651 |
if (!tickMap[i]) {
|
|
|
2652 |
this.yTicks[this.yTicks.length] = i;
|
|
|
2653 |
tickMap[i] = true;
|
|
|
2654 |
}
|
|
|
2655 |
}
|
|
|
2656 |
|
|
|
2657 |
for (i = this.initPageY; i <= this.maxY; i = i + iTickSize) {
|
|
|
2658 |
if (!tickMap[i]) {
|
|
|
2659 |
this.yTicks[this.yTicks.length] = i;
|
|
|
2660 |
tickMap[i] = true;
|
|
|
2661 |
}
|
|
|
2662 |
}
|
|
|
2663 |
|
|
|
2664 |
this.yTicks.sort(this.DDM.numericSort) ;
|
|
|
2665 |
},
|
|
|
2666 |
|
|
|
2667 |
/**
|
|
|
2668 |
* By default, the element can be dragged any place on the screen. Use
|
|
|
2669 |
* this method to limit the horizontal travel of the element. Pass in
|
|
|
2670 |
* 0,0 for the parameters if you want to lock the drag to the y axis.
|
|
|
2671 |
* @method setXConstraint
|
|
|
2672 |
* @param {int} iLeft the number of pixels the element can move to the left
|
|
|
2673 |
* @param {int} iRight the number of pixels the element can move to the
|
|
|
2674 |
* right
|
|
|
2675 |
* @param {int} iTickSize optional parameter for specifying that the
|
|
|
2676 |
* element
|
|
|
2677 |
* should move iTickSize pixels at a time.
|
|
|
2678 |
*/
|
|
|
2679 |
setXConstraint: function(iLeft, iRight, iTickSize) {
|
|
|
2680 |
this.leftConstraint = parseInt(iLeft, 10);
|
|
|
2681 |
this.rightConstraint = parseInt(iRight, 10);
|
|
|
2682 |
|
|
|
2683 |
this.minX = this.initPageX - this.leftConstraint;
|
|
|
2684 |
this.maxX = this.initPageX + this.rightConstraint;
|
|
|
2685 |
if (iTickSize) { this.setXTicks(this.initPageX, iTickSize); }
|
|
|
2686 |
|
|
|
2687 |
this.constrainX = true;
|
|
|
2688 |
},
|
|
|
2689 |
|
|
|
2690 |
/**
|
|
|
2691 |
* Clears any constraints applied to this instance. Also clears ticks
|
|
|
2692 |
* since they can't exist independent of a constraint at this time.
|
|
|
2693 |
* @method clearConstraints
|
|
|
2694 |
*/
|
|
|
2695 |
clearConstraints: function() {
|
|
|
2696 |
this.constrainX = false;
|
|
|
2697 |
this.constrainY = false;
|
|
|
2698 |
this.clearTicks();
|
|
|
2699 |
},
|
|
|
2700 |
|
|
|
2701 |
/**
|
|
|
2702 |
* Clears any tick interval defined for this instance
|
|
|
2703 |
* @method clearTicks
|
|
|
2704 |
*/
|
|
|
2705 |
clearTicks: function() {
|
|
|
2706 |
this.xTicks = null;
|
|
|
2707 |
this.yTicks = null;
|
|
|
2708 |
this.xTickSize = 0;
|
|
|
2709 |
this.yTickSize = 0;
|
|
|
2710 |
},
|
|
|
2711 |
|
|
|
2712 |
/**
|
|
|
2713 |
* By default, the element can be dragged any place on the screen. Set
|
|
|
2714 |
* this to limit the vertical travel of the element. Pass in 0,0 for the
|
|
|
2715 |
* parameters if you want to lock the drag to the x axis.
|
|
|
2716 |
* @method setYConstraint
|
|
|
2717 |
* @param {int} iUp the number of pixels the element can move up
|
|
|
2718 |
* @param {int} iDown the number of pixels the element can move down
|
|
|
2719 |
* @param {int} iTickSize optional parameter for specifying that the
|
|
|
2720 |
* element should move iTickSize pixels at a time.
|
|
|
2721 |
*/
|
|
|
2722 |
setYConstraint: function(iUp, iDown, iTickSize) {
|
|
|
2723 |
this.topConstraint = parseInt(iUp, 10);
|
|
|
2724 |
this.bottomConstraint = parseInt(iDown, 10);
|
|
|
2725 |
|
|
|
2726 |
this.minY = this.initPageY - this.topConstraint;
|
|
|
2727 |
this.maxY = this.initPageY + this.bottomConstraint;
|
|
|
2728 |
if (iTickSize) { this.setYTicks(this.initPageY, iTickSize); }
|
|
|
2729 |
|
|
|
2730 |
this.constrainY = true;
|
|
|
2731 |
|
|
|
2732 |
},
|
|
|
2733 |
|
|
|
2734 |
/**
|
|
|
2735 |
* resetConstraints must be called if you manually reposition a dd element.
|
|
|
2736 |
* @method resetConstraints
|
|
|
2737 |
*/
|
|
|
2738 |
resetConstraints: function() {
|
|
|
2739 |
|
|
|
2740 |
|
|
|
2741 |
// Maintain offsets if necessary
|
|
|
2742 |
if (this.initPageX || this.initPageX === 0) {
|
|
|
2743 |
// figure out how much this thing has moved
|
|
|
2744 |
var dx = (this.maintainOffset) ? this.lastPageX - this.initPageX : 0;
|
|
|
2745 |
var dy = (this.maintainOffset) ? this.lastPageY - this.initPageY : 0;
|
|
|
2746 |
|
|
|
2747 |
this.setInitPosition(dx, dy);
|
|
|
2748 |
|
|
|
2749 |
// This is the first time we have detected the element's position
|
|
|
2750 |
} else {
|
|
|
2751 |
this.setInitPosition();
|
|
|
2752 |
}
|
|
|
2753 |
|
|
|
2754 |
if (this.constrainX) {
|
|
|
2755 |
this.setXConstraint( this.leftConstraint,
|
|
|
2756 |
this.rightConstraint,
|
|
|
2757 |
this.xTickSize );
|
|
|
2758 |
}
|
|
|
2759 |
|
|
|
2760 |
if (this.constrainY) {
|
|
|
2761 |
this.setYConstraint( this.topConstraint,
|
|
|
2762 |
this.bottomConstraint,
|
|
|
2763 |
this.yTickSize );
|
|
|
2764 |
}
|
|
|
2765 |
},
|
|
|
2766 |
|
|
|
2767 |
/**
|
|
|
2768 |
* Normally the drag element is moved pixel by pixel, but we can specify
|
|
|
2769 |
* that it move a number of pixels at a time. This method resolves the
|
|
|
2770 |
* location when we have it set up like this.
|
|
|
2771 |
* @method getTick
|
|
|
2772 |
* @param {int} val where we want to place the object
|
|
|
2773 |
* @param {int[]} tickArray sorted array of valid points
|
|
|
2774 |
* @return {int} the closest tick
|
|
|
2775 |
* @private
|
|
|
2776 |
*/
|
|
|
2777 |
getTick: function(val, tickArray) {
|
|
|
2778 |
|
|
|
2779 |
if (!tickArray) {
|
|
|
2780 |
// If tick interval is not defined, it is effectively 1 pixel,
|
|
|
2781 |
// so we return the value passed to us.
|
|
|
2782 |
return val;
|
|
|
2783 |
} else if (tickArray[0] >= val) {
|
|
|
2784 |
// The value is lower than the first tick, so we return the first
|
|
|
2785 |
// tick.
|
|
|
2786 |
return tickArray[0];
|
|
|
2787 |
} else {
|
|
|
2788 |
for (var i=0, len=tickArray.length; i<len; ++i) {
|
|
|
2789 |
var next = i + 1;
|
|
|
2790 |
if (tickArray[next] && tickArray[next] >= val) {
|
|
|
2791 |
var diff1 = val - tickArray[i];
|
|
|
2792 |
var diff2 = tickArray[next] - val;
|
|
|
2793 |
return (diff2 > diff1) ? tickArray[i] : tickArray[next];
|
|
|
2794 |
}
|
|
|
2795 |
}
|
|
|
2796 |
|
|
|
2797 |
// The value is larger than the last tick, so we return the last
|
|
|
2798 |
// tick.
|
|
|
2799 |
return tickArray[tickArray.length - 1];
|
|
|
2800 |
}
|
|
|
2801 |
},
|
|
|
2802 |
|
|
|
2803 |
/**
|
|
|
2804 |
* toString method
|
|
|
2805 |
* @method toString
|
|
|
2806 |
* @return {string} string representation of the dd obj
|
|
|
2807 |
*/
|
|
|
2808 |
toString: function() {
|
|
|
2809 |
return ("DragDrop " + this.id);
|
|
|
2810 |
}
|
|
|
2811 |
|
|
|
2812 |
};
|
|
|
2813 |
YAHOO.augment(YAHOO.util.DragDrop, YAHOO.util.EventProvider);
|
|
|
2814 |
|
|
|
2815 |
/**
|
|
|
2816 |
* @event mouseDownEvent
|
|
|
2817 |
* @description Provides access to the mousedown event. The mousedown does not always result in a drag operation.
|
|
|
2818 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2819 |
*/
|
|
|
2820 |
|
|
|
2821 |
/**
|
|
|
2822 |
* @event b4MouseDownEvent
|
|
|
2823 |
* @description Provides access to the mousedown event, before the mouseDownEvent gets fired. Returning false will cancel the drag.
|
|
|
2824 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2825 |
*/
|
|
|
2826 |
|
|
|
2827 |
/**
|
|
|
2828 |
* @event mouseUpEvent
|
|
|
2829 |
* @description Fired from inside DragDropMgr when the drag operation is finished.
|
|
|
2830 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2831 |
*/
|
|
|
2832 |
|
|
|
2833 |
/**
|
|
|
2834 |
* @event b4StartDragEvent
|
|
|
2835 |
* @description Fires before the startDragEvent, returning false will cancel the startDrag Event.
|
|
|
2836 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2837 |
*/
|
|
|
2838 |
|
|
|
2839 |
/**
|
|
|
2840 |
* @event startDragEvent
|
|
|
2841 |
* @description Occurs after a mouse down and the drag threshold has been met. The drag threshold default is either 3 pixels of mouse movement or 1 full second of holding the mousedown.
|
|
|
2842 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2843 |
*/
|
|
|
2844 |
|
|
|
2845 |
/**
|
|
|
2846 |
* @event b4EndDragEvent
|
|
|
2847 |
* @description Fires before the endDragEvent. Returning false will cancel.
|
|
|
2848 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2849 |
*/
|
|
|
2850 |
|
|
|
2851 |
/**
|
|
|
2852 |
* @event endDragEvent
|
|
|
2853 |
* @description Fires on the mouseup event after a drag has been initiated (startDrag fired).
|
|
|
2854 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2855 |
*/
|
|
|
2856 |
|
|
|
2857 |
/**
|
|
|
2858 |
* @event dragEvent
|
|
|
2859 |
* @description Occurs every mousemove event while dragging.
|
|
|
2860 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2861 |
*/
|
|
|
2862 |
/**
|
|
|
2863 |
* @event b4DragEvent
|
|
|
2864 |
* @description Fires before the dragEvent.
|
|
|
2865 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2866 |
*/
|
|
|
2867 |
/**
|
|
|
2868 |
* @event invalidDropEvent
|
|
|
2869 |
* @description Fires when the dragged objects is dropped in a location that contains no drop targets.
|
|
|
2870 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2871 |
*/
|
|
|
2872 |
/**
|
|
|
2873 |
* @event b4DragOutEvent
|
|
|
2874 |
* @description Fires before the dragOutEvent
|
|
|
2875 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2876 |
*/
|
|
|
2877 |
/**
|
|
|
2878 |
* @event dragOutEvent
|
|
|
2879 |
* @description Fires when a dragged object is no longer over an object that had the onDragEnter fire.
|
|
|
2880 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2881 |
*/
|
|
|
2882 |
/**
|
|
|
2883 |
* @event dragEnterEvent
|
|
|
2884 |
* @description Occurs when the dragged object first interacts with another targettable drag and drop object.
|
|
|
2885 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2886 |
*/
|
|
|
2887 |
/**
|
|
|
2888 |
* @event b4DragOverEvent
|
|
|
2889 |
* @description Fires before the dragOverEvent.
|
|
|
2890 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2891 |
*/
|
|
|
2892 |
/**
|
|
|
2893 |
* @event dragOverEvent
|
|
|
2894 |
* @description Fires every mousemove event while over a drag and drop object.
|
|
|
2895 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2896 |
*/
|
|
|
2897 |
/**
|
|
|
2898 |
* @event b4DragDropEvent
|
|
|
2899 |
* @description Fires before the dragDropEvent
|
|
|
2900 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2901 |
*/
|
|
|
2902 |
/**
|
|
|
2903 |
* @event dragDropEvent
|
|
|
2904 |
* @description Fires when the dragged objects is dropped on another.
|
|
|
2905 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
2906 |
*/
|
|
|
2907 |
})();
|
|
|
2908 |
/**
|
|
|
2909 |
* A DragDrop implementation where the linked element follows the
|
|
|
2910 |
* mouse cursor during a drag.
|
|
|
2911 |
* @class DD
|
|
|
2912 |
* @extends YAHOO.util.DragDrop
|
|
|
2913 |
* @constructor
|
|
|
2914 |
* @param {String} id the id of the linked element
|
|
|
2915 |
* @param {String} sGroup the group of related DragDrop items
|
|
|
2916 |
* @param {object} config an object containing configurable attributes
|
|
|
2917 |
* Valid properties for DD:
|
|
|
2918 |
* scroll
|
|
|
2919 |
*/
|
|
|
2920 |
YAHOO.util.DD = function(id, sGroup, config) {
|
|
|
2921 |
if (id) {
|
|
|
2922 |
this.init(id, sGroup, config);
|
|
|
2923 |
}
|
|
|
2924 |
};
|
|
|
2925 |
|
|
|
2926 |
YAHOO.extend(YAHOO.util.DD, YAHOO.util.DragDrop, {
|
|
|
2927 |
|
|
|
2928 |
/**
|
|
|
2929 |
* When set to true, the utility automatically tries to scroll the browser
|
|
|
2930 |
* window when a drag and drop element is dragged near the viewport boundary.
|
|
|
2931 |
* Defaults to true.
|
|
|
2932 |
* @property scroll
|
|
|
2933 |
* @type boolean
|
|
|
2934 |
*/
|
|
|
2935 |
scroll: true,
|
|
|
2936 |
|
|
|
2937 |
/**
|
|
|
2938 |
* Sets the pointer offset to the distance between the linked element's top
|
|
|
2939 |
* left corner and the location the element was clicked
|
|
|
2940 |
* @method autoOffset
|
|
|
2941 |
* @param {int} iPageX the X coordinate of the click
|
|
|
2942 |
* @param {int} iPageY the Y coordinate of the click
|
|
|
2943 |
*/
|
|
|
2944 |
autoOffset: function(iPageX, iPageY) {
|
|
|
2945 |
var x = iPageX - this.startPageX;
|
|
|
2946 |
var y = iPageY - this.startPageY;
|
|
|
2947 |
this.setDelta(x, y);
|
|
|
2948 |
},
|
|
|
2949 |
|
|
|
2950 |
/**
|
|
|
2951 |
* Sets the pointer offset. You can call this directly to force the
|
|
|
2952 |
* offset to be in a particular location (e.g., pass in 0,0 to set it
|
|
|
2953 |
* to the center of the object, as done in YAHOO.widget.Slider)
|
|
|
2954 |
* @method setDelta
|
|
|
2955 |
* @param {int} iDeltaX the distance from the left
|
|
|
2956 |
* @param {int} iDeltaY the distance from the top
|
|
|
2957 |
*/
|
|
|
2958 |
setDelta: function(iDeltaX, iDeltaY) {
|
|
|
2959 |
this.deltaX = iDeltaX;
|
|
|
2960 |
this.deltaY = iDeltaY;
|
|
|
2961 |
},
|
|
|
2962 |
|
|
|
2963 |
/**
|
|
|
2964 |
* Sets the drag element to the location of the mousedown or click event,
|
|
|
2965 |
* maintaining the cursor location relative to the location on the element
|
|
|
2966 |
* that was clicked. Override this if you want to place the element in a
|
|
|
2967 |
* location other than where the cursor is.
|
|
|
2968 |
* @method setDragElPos
|
|
|
2969 |
* @param {int} iPageX the X coordinate of the mousedown or drag event
|
|
|
2970 |
* @param {int} iPageY the Y coordinate of the mousedown or drag event
|
|
|
2971 |
*/
|
|
|
2972 |
setDragElPos: function(iPageX, iPageY) {
|
|
|
2973 |
// the first time we do this, we are going to check to make sure
|
|
|
2974 |
// the element has css positioning
|
|
|
2975 |
|
|
|
2976 |
var el = this.getDragEl();
|
|
|
2977 |
this.alignElWithMouse(el, iPageX, iPageY);
|
|
|
2978 |
},
|
|
|
2979 |
|
|
|
2980 |
/**
|
|
|
2981 |
* Sets the element to the location of the mousedown or click event,
|
|
|
2982 |
* maintaining the cursor location relative to the location on the element
|
|
|
2983 |
* that was clicked. Override this if you want to place the element in a
|
|
|
2984 |
* location other than where the cursor is.
|
|
|
2985 |
* @method alignElWithMouse
|
|
|
2986 |
* @param {HTMLElement} el the element to move
|
|
|
2987 |
* @param {int} iPageX the X coordinate of the mousedown or drag event
|
|
|
2988 |
* @param {int} iPageY the Y coordinate of the mousedown or drag event
|
|
|
2989 |
*/
|
|
|
2990 |
alignElWithMouse: function(el, iPageX, iPageY) {
|
|
|
2991 |
var oCoord = this.getTargetCoord(iPageX, iPageY);
|
|
|
2992 |
|
|
|
2993 |
if (!this.deltaSetXY) {
|
|
|
2994 |
var aCoord = [oCoord.x, oCoord.y];
|
|
|
2995 |
YAHOO.util.Dom.setXY(el, aCoord);
|
|
|
2996 |
|
|
|
2997 |
var newLeft = parseInt( YAHOO.util.Dom.getStyle(el, "left"), 10 );
|
|
|
2998 |
var newTop = parseInt( YAHOO.util.Dom.getStyle(el, "top" ), 10 );
|
|
|
2999 |
|
|
|
3000 |
this.deltaSetXY = [ newLeft - oCoord.x, newTop - oCoord.y ];
|
|
|
3001 |
} else {
|
|
|
3002 |
YAHOO.util.Dom.setStyle(el, "left", (oCoord.x + this.deltaSetXY[0]) + "px");
|
|
|
3003 |
YAHOO.util.Dom.setStyle(el, "top", (oCoord.y + this.deltaSetXY[1]) + "px");
|
|
|
3004 |
}
|
|
|
3005 |
|
|
|
3006 |
this.cachePosition(oCoord.x, oCoord.y);
|
|
|
3007 |
var self = this;
|
|
|
3008 |
setTimeout(function() {
|
|
|
3009 |
self.autoScroll.call(self, oCoord.x, oCoord.y, el.offsetHeight, el.offsetWidth);
|
|
|
3010 |
}, 0);
|
|
|
3011 |
},
|
|
|
3012 |
|
|
|
3013 |
/**
|
|
|
3014 |
* Saves the most recent position so that we can reset the constraints and
|
|
|
3015 |
* tick marks on-demand. We need to know this so that we can calculate the
|
|
|
3016 |
* number of pixels the element is offset from its original position.
|
|
|
3017 |
* @method cachePosition
|
|
|
3018 |
* @param iPageX the current x position (optional, this just makes it so we
|
|
|
3019 |
* don't have to look it up again)
|
|
|
3020 |
* @param iPageY the current y position (optional, this just makes it so we
|
|
|
3021 |
* don't have to look it up again)
|
|
|
3022 |
*/
|
|
|
3023 |
cachePosition: function(iPageX, iPageY) {
|
|
|
3024 |
if (iPageX) {
|
|
|
3025 |
this.lastPageX = iPageX;
|
|
|
3026 |
this.lastPageY = iPageY;
|
|
|
3027 |
} else {
|
|
|
3028 |
var aCoord = YAHOO.util.Dom.getXY(this.getEl());
|
|
|
3029 |
this.lastPageX = aCoord[0];
|
|
|
3030 |
this.lastPageY = aCoord[1];
|
|
|
3031 |
}
|
|
|
3032 |
},
|
|
|
3033 |
|
|
|
3034 |
/**
|
|
|
3035 |
* Auto-scroll the window if the dragged object has been moved beyond the
|
|
|
3036 |
* visible window boundary.
|
|
|
3037 |
* @method autoScroll
|
|
|
3038 |
* @param {int} x the drag element's x position
|
|
|
3039 |
* @param {int} y the drag element's y position
|
|
|
3040 |
* @param {int} h the height of the drag element
|
|
|
3041 |
* @param {int} w the width of the drag element
|
|
|
3042 |
* @private
|
|
|
3043 |
*/
|
|
|
3044 |
autoScroll: function(x, y, h, w) {
|
|
|
3045 |
|
|
|
3046 |
if (this.scroll) {
|
|
|
3047 |
// The client height
|
|
|
3048 |
var clientH = this.DDM.getClientHeight();
|
|
|
3049 |
|
|
|
3050 |
// The client width
|
|
|
3051 |
var clientW = this.DDM.getClientWidth();
|
|
|
3052 |
|
|
|
3053 |
// The amt scrolled down
|
|
|
3054 |
var st = this.DDM.getScrollTop();
|
|
|
3055 |
|
|
|
3056 |
// The amt scrolled right
|
|
|
3057 |
var sl = this.DDM.getScrollLeft();
|
|
|
3058 |
|
|
|
3059 |
// Location of the bottom of the element
|
|
|
3060 |
var bot = h + y;
|
|
|
3061 |
|
|
|
3062 |
// Location of the right of the element
|
|
|
3063 |
var right = w + x;
|
|
|
3064 |
|
|
|
3065 |
// The distance from the cursor to the bottom of the visible area,
|
|
|
3066 |
// adjusted so that we don't scroll if the cursor is beyond the
|
|
|
3067 |
// element drag constraints
|
|
|
3068 |
var toBot = (clientH + st - y - this.deltaY);
|
|
|
3069 |
|
|
|
3070 |
// The distance from the cursor to the right of the visible area
|
|
|
3071 |
var toRight = (clientW + sl - x - this.deltaX);
|
|
|
3072 |
|
|
|
3073 |
|
|
|
3074 |
// How close to the edge the cursor must be before we scroll
|
|
|
3075 |
// var thresh = (document.all) ? 100 : 40;
|
|
|
3076 |
var thresh = 40;
|
|
|
3077 |
|
|
|
3078 |
// How many pixels to scroll per autoscroll op. This helps to reduce
|
|
|
3079 |
// clunky scrolling. IE is more sensitive about this ... it needs this
|
|
|
3080 |
// value to be higher.
|
|
|
3081 |
var scrAmt = (document.all) ? 80 : 30;
|
|
|
3082 |
|
|
|
3083 |
// Scroll down if we are near the bottom of the visible page and the
|
|
|
3084 |
// obj extends below the crease
|
|
|
3085 |
if ( bot > clientH && toBot < thresh ) {
|
|
|
3086 |
window.scrollTo(sl, st + scrAmt);
|
|
|
3087 |
}
|
|
|
3088 |
|
|
|
3089 |
// Scroll up if the window is scrolled down and the top of the object
|
|
|
3090 |
// goes above the top border
|
|
|
3091 |
if ( y < st && st > 0 && y - st < thresh ) {
|
|
|
3092 |
window.scrollTo(sl, st - scrAmt);
|
|
|
3093 |
}
|
|
|
3094 |
|
|
|
3095 |
// Scroll right if the obj is beyond the right border and the cursor is
|
|
|
3096 |
// near the border.
|
|
|
3097 |
if ( right > clientW && toRight < thresh ) {
|
|
|
3098 |
window.scrollTo(sl + scrAmt, st);
|
|
|
3099 |
}
|
|
|
3100 |
|
|
|
3101 |
// Scroll left if the window has been scrolled to the right and the obj
|
|
|
3102 |
// extends past the left border
|
|
|
3103 |
if ( x < sl && sl > 0 && x - sl < thresh ) {
|
|
|
3104 |
window.scrollTo(sl - scrAmt, st);
|
|
|
3105 |
}
|
|
|
3106 |
}
|
|
|
3107 |
},
|
|
|
3108 |
|
|
|
3109 |
/*
|
|
|
3110 |
* Sets up config options specific to this class. Overrides
|
|
|
3111 |
* YAHOO.util.DragDrop, but all versions of this method through the
|
|
|
3112 |
* inheritance chain are called
|
|
|
3113 |
*/
|
|
|
3114 |
applyConfig: function() {
|
|
|
3115 |
YAHOO.util.DD.superclass.applyConfig.call(this);
|
|
|
3116 |
this.scroll = (this.config.scroll !== false);
|
|
|
3117 |
},
|
|
|
3118 |
|
|
|
3119 |
/*
|
|
|
3120 |
* Event that fires prior to the onMouseDown event. Overrides
|
|
|
3121 |
* YAHOO.util.DragDrop.
|
|
|
3122 |
*/
|
|
|
3123 |
b4MouseDown: function(e) {
|
|
|
3124 |
this.setStartPosition();
|
|
|
3125 |
// this.resetConstraints();
|
|
|
3126 |
this.autoOffset(YAHOO.util.Event.getPageX(e),
|
|
|
3127 |
YAHOO.util.Event.getPageY(e));
|
|
|
3128 |
},
|
|
|
3129 |
|
|
|
3130 |
/*
|
|
|
3131 |
* Event that fires prior to the onDrag event. Overrides
|
|
|
3132 |
* YAHOO.util.DragDrop.
|
|
|
3133 |
*/
|
|
|
3134 |
b4Drag: function(e) {
|
|
|
3135 |
this.setDragElPos(YAHOO.util.Event.getPageX(e),
|
|
|
3136 |
YAHOO.util.Event.getPageY(e));
|
|
|
3137 |
},
|
|
|
3138 |
|
|
|
3139 |
toString: function() {
|
|
|
3140 |
return ("DD " + this.id);
|
|
|
3141 |
}
|
|
|
3142 |
|
|
|
3143 |
//////////////////////////////////////////////////////////////////////////
|
|
|
3144 |
// Debugging ygDragDrop events that can be overridden
|
|
|
3145 |
//////////////////////////////////////////////////////////////////////////
|
|
|
3146 |
/*
|
|
|
3147 |
startDrag: function(x, y) {
|
|
|
3148 |
},
|
|
|
3149 |
|
|
|
3150 |
onDrag: function(e) {
|
|
|
3151 |
},
|
|
|
3152 |
|
|
|
3153 |
onDragEnter: function(e, id) {
|
|
|
3154 |
},
|
|
|
3155 |
|
|
|
3156 |
onDragOver: function(e, id) {
|
|
|
3157 |
},
|
|
|
3158 |
|
|
|
3159 |
onDragOut: function(e, id) {
|
|
|
3160 |
},
|
|
|
3161 |
|
|
|
3162 |
onDragDrop: function(e, id) {
|
|
|
3163 |
},
|
|
|
3164 |
|
|
|
3165 |
endDrag: function(e) {
|
|
|
3166 |
}
|
|
|
3167 |
|
|
|
3168 |
*/
|
|
|
3169 |
|
|
|
3170 |
/**
|
|
|
3171 |
* @event mouseDownEvent
|
|
|
3172 |
* @description Provides access to the mousedown event. The mousedown does not always result in a drag operation.
|
|
|
3173 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3174 |
*/
|
|
|
3175 |
|
|
|
3176 |
/**
|
|
|
3177 |
* @event b4MouseDownEvent
|
|
|
3178 |
* @description Provides access to the mousedown event, before the mouseDownEvent gets fired. Returning false will cancel the drag.
|
|
|
3179 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3180 |
*/
|
|
|
3181 |
|
|
|
3182 |
/**
|
|
|
3183 |
* @event mouseUpEvent
|
|
|
3184 |
* @description Fired from inside DragDropMgr when the drag operation is finished.
|
|
|
3185 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3186 |
*/
|
|
|
3187 |
|
|
|
3188 |
/**
|
|
|
3189 |
* @event b4StartDragEvent
|
|
|
3190 |
* @description Fires before the startDragEvent, returning false will cancel the startDrag Event.
|
|
|
3191 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3192 |
*/
|
|
|
3193 |
|
|
|
3194 |
/**
|
|
|
3195 |
* @event startDragEvent
|
|
|
3196 |
* @description Occurs after a mouse down and the drag threshold has been met. The drag threshold default is either 3 pixels of mouse movement or 1 full second of holding the mousedown.
|
|
|
3197 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3198 |
*/
|
|
|
3199 |
|
|
|
3200 |
/**
|
|
|
3201 |
* @event b4EndDragEvent
|
|
|
3202 |
* @description Fires before the endDragEvent. Returning false will cancel.
|
|
|
3203 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3204 |
*/
|
|
|
3205 |
|
|
|
3206 |
/**
|
|
|
3207 |
* @event endDragEvent
|
|
|
3208 |
* @description Fires on the mouseup event after a drag has been initiated (startDrag fired).
|
|
|
3209 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3210 |
*/
|
|
|
3211 |
|
|
|
3212 |
/**
|
|
|
3213 |
* @event dragEvent
|
|
|
3214 |
* @description Occurs every mousemove event while dragging.
|
|
|
3215 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3216 |
*/
|
|
|
3217 |
/**
|
|
|
3218 |
* @event b4DragEvent
|
|
|
3219 |
* @description Fires before the dragEvent.
|
|
|
3220 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3221 |
*/
|
|
|
3222 |
/**
|
|
|
3223 |
* @event invalidDropEvent
|
|
|
3224 |
* @description Fires when the dragged objects is dropped in a location that contains no drop targets.
|
|
|
3225 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3226 |
*/
|
|
|
3227 |
/**
|
|
|
3228 |
* @event b4DragOutEvent
|
|
|
3229 |
* @description Fires before the dragOutEvent
|
|
|
3230 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3231 |
*/
|
|
|
3232 |
/**
|
|
|
3233 |
* @event dragOutEvent
|
|
|
3234 |
* @description Fires when a dragged object is no longer over an object that had the onDragEnter fire.
|
|
|
3235 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3236 |
*/
|
|
|
3237 |
/**
|
|
|
3238 |
* @event dragEnterEvent
|
|
|
3239 |
* @description Occurs when the dragged object first interacts with another targettable drag and drop object.
|
|
|
3240 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3241 |
*/
|
|
|
3242 |
/**
|
|
|
3243 |
* @event b4DragOverEvent
|
|
|
3244 |
* @description Fires before the dragOverEvent.
|
|
|
3245 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3246 |
*/
|
|
|
3247 |
/**
|
|
|
3248 |
* @event dragOverEvent
|
|
|
3249 |
* @description Fires every mousemove event while over a drag and drop object.
|
|
|
3250 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3251 |
*/
|
|
|
3252 |
/**
|
|
|
3253 |
* @event b4DragDropEvent
|
|
|
3254 |
* @description Fires before the dragDropEvent
|
|
|
3255 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3256 |
*/
|
|
|
3257 |
/**
|
|
|
3258 |
* @event dragDropEvent
|
|
|
3259 |
* @description Fires when the dragged objects is dropped on another.
|
|
|
3260 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3261 |
*/
|
|
|
3262 |
});
|
|
|
3263 |
/**
|
|
|
3264 |
* A DragDrop implementation that inserts an empty, bordered div into
|
|
|
3265 |
* the document that follows the cursor during drag operations. At the time of
|
|
|
3266 |
* the click, the frame div is resized to the dimensions of the linked html
|
|
|
3267 |
* element, and moved to the exact location of the linked element.
|
|
|
3268 |
*
|
|
|
3269 |
* References to the "frame" element refer to the single proxy element that
|
|
|
3270 |
* was created to be dragged in place of all DDProxy elements on the
|
|
|
3271 |
* page.
|
|
|
3272 |
*
|
|
|
3273 |
* @class DDProxy
|
|
|
3274 |
* @extends YAHOO.util.DD
|
|
|
3275 |
* @constructor
|
|
|
3276 |
* @param {String} id the id of the linked html element
|
|
|
3277 |
* @param {String} sGroup the group of related DragDrop objects
|
|
|
3278 |
* @param {object} config an object containing configurable attributes
|
|
|
3279 |
* Valid properties for DDProxy in addition to those in DragDrop:
|
|
|
3280 |
* resizeFrame, centerFrame, dragElId
|
|
|
3281 |
*/
|
|
|
3282 |
YAHOO.util.DDProxy = function(id, sGroup, config) {
|
|
|
3283 |
if (id) {
|
|
|
3284 |
this.init(id, sGroup, config);
|
|
|
3285 |
this.initFrame();
|
|
|
3286 |
}
|
|
|
3287 |
};
|
|
|
3288 |
|
|
|
3289 |
/**
|
|
|
3290 |
* The default drag frame div id
|
|
|
3291 |
* @property YAHOO.util.DDProxy.dragElId
|
|
|
3292 |
* @type String
|
|
|
3293 |
* @static
|
|
|
3294 |
*/
|
|
|
3295 |
YAHOO.util.DDProxy.dragElId = "ygddfdiv";
|
|
|
3296 |
|
|
|
3297 |
YAHOO.extend(YAHOO.util.DDProxy, YAHOO.util.DD, {
|
|
|
3298 |
|
|
|
3299 |
/**
|
|
|
3300 |
* By default we resize the drag frame to be the same size as the element
|
|
|
3301 |
* we want to drag (this is to get the frame effect). We can turn it off
|
|
|
3302 |
* if we want a different behavior.
|
|
|
3303 |
* @property resizeFrame
|
|
|
3304 |
* @type boolean
|
|
|
3305 |
*/
|
|
|
3306 |
resizeFrame: true,
|
|
|
3307 |
|
|
|
3308 |
/**
|
|
|
3309 |
* By default the frame is positioned exactly where the drag element is, so
|
|
|
3310 |
* we use the cursor offset provided by YAHOO.util.DD. Another option that works only if
|
|
|
3311 |
* you do not have constraints on the obj is to have the drag frame centered
|
|
|
3312 |
* around the cursor. Set centerFrame to true for this effect.
|
|
|
3313 |
* @property centerFrame
|
|
|
3314 |
* @type boolean
|
|
|
3315 |
*/
|
|
|
3316 |
centerFrame: false,
|
|
|
3317 |
|
|
|
3318 |
/**
|
|
|
3319 |
* Creates the proxy element if it does not yet exist
|
|
|
3320 |
* @method createFrame
|
|
|
3321 |
*/
|
|
|
3322 |
createFrame: function() {
|
|
|
3323 |
var self=this, body=document.body;
|
|
|
3324 |
|
|
|
3325 |
if (!body || !body.firstChild) {
|
|
|
3326 |
setTimeout( function() { self.createFrame(); }, 50 );
|
|
|
3327 |
return;
|
|
|
3328 |
}
|
|
|
3329 |
|
|
|
3330 |
var div=this.getDragEl(), Dom=YAHOO.util.Dom;
|
|
|
3331 |
|
|
|
3332 |
if (!div) {
|
|
|
3333 |
div = document.createElement("div");
|
|
|
3334 |
div.id = this.dragElId;
|
|
|
3335 |
var s = div.style;
|
|
|
3336 |
|
|
|
3337 |
s.position = "absolute";
|
|
|
3338 |
s.visibility = "hidden";
|
|
|
3339 |
s.cursor = "move";
|
|
|
3340 |
s.border = "2px solid #aaa";
|
|
|
3341 |
s.zIndex = 999;
|
|
|
3342 |
s.height = "25px";
|
|
|
3343 |
s.width = "25px";
|
|
|
3344 |
|
|
|
3345 |
var _data = document.createElement('div');
|
|
|
3346 |
Dom.setStyle(_data, 'height', '100%');
|
|
|
3347 |
Dom.setStyle(_data, 'width', '100%');
|
|
|
3348 |
/**
|
|
|
3349 |
* If the proxy element has no background-color, then it is considered to the "transparent" by Internet Explorer.
|
|
|
3350 |
* Since it is "transparent" then the events pass through it to the iframe below.
|
|
|
3351 |
* So creating a "fake" div inside the proxy element and giving it a background-color, then setting it to an
|
|
|
3352 |
* opacity of 0, it appears to not be there, however IE still thinks that it is so the events never pass through.
|
|
|
3353 |
*/
|
|
|
3354 |
Dom.setStyle(_data, 'background-color', '#ccc');
|
|
|
3355 |
Dom.setStyle(_data, 'opacity', '0');
|
|
|
3356 |
div.appendChild(_data);
|
|
|
3357 |
|
|
|
3358 |
// appendChild can blow up IE if invoked prior to the window load event
|
|
|
3359 |
// while rendering a table. It is possible there are other scenarios
|
|
|
3360 |
// that would cause this to happen as well.
|
|
|
3361 |
body.insertBefore(div, body.firstChild);
|
|
|
3362 |
}
|
|
|
3363 |
},
|
|
|
3364 |
|
|
|
3365 |
/**
|
|
|
3366 |
* Initialization for the drag frame element. Must be called in the
|
|
|
3367 |
* constructor of all subclasses
|
|
|
3368 |
* @method initFrame
|
|
|
3369 |
*/
|
|
|
3370 |
initFrame: function() {
|
|
|
3371 |
this.createFrame();
|
|
|
3372 |
},
|
|
|
3373 |
|
|
|
3374 |
applyConfig: function() {
|
|
|
3375 |
YAHOO.util.DDProxy.superclass.applyConfig.call(this);
|
|
|
3376 |
|
|
|
3377 |
this.resizeFrame = (this.config.resizeFrame !== false);
|
|
|
3378 |
this.centerFrame = (this.config.centerFrame);
|
|
|
3379 |
this.setDragElId(this.config.dragElId || YAHOO.util.DDProxy.dragElId);
|
|
|
3380 |
},
|
|
|
3381 |
|
|
|
3382 |
/**
|
|
|
3383 |
* Resizes the drag frame to the dimensions of the clicked object, positions
|
|
|
3384 |
* it over the object, and finally displays it
|
|
|
3385 |
* @method showFrame
|
|
|
3386 |
* @param {int} iPageX X click position
|
|
|
3387 |
* @param {int} iPageY Y click position
|
|
|
3388 |
* @private
|
|
|
3389 |
*/
|
|
|
3390 |
showFrame: function(iPageX, iPageY) {
|
|
|
3391 |
var el = this.getEl();
|
|
|
3392 |
var dragEl = this.getDragEl();
|
|
|
3393 |
var s = dragEl.style;
|
|
|
3394 |
|
|
|
3395 |
this._resizeProxy();
|
|
|
3396 |
|
|
|
3397 |
if (this.centerFrame) {
|
|
|
3398 |
this.setDelta( Math.round(parseInt(s.width, 10)/2),
|
|
|
3399 |
Math.round(parseInt(s.height, 10)/2) );
|
|
|
3400 |
}
|
|
|
3401 |
|
|
|
3402 |
this.setDragElPos(iPageX, iPageY);
|
|
|
3403 |
|
|
|
3404 |
YAHOO.util.Dom.setStyle(dragEl, "visibility", "visible");
|
|
|
3405 |
},
|
|
|
3406 |
|
|
|
3407 |
/**
|
|
|
3408 |
* The proxy is automatically resized to the dimensions of the linked
|
|
|
3409 |
* element when a drag is initiated, unless resizeFrame is set to false
|
|
|
3410 |
* @method _resizeProxy
|
|
|
3411 |
* @private
|
|
|
3412 |
*/
|
|
|
3413 |
_resizeProxy: function() {
|
|
|
3414 |
if (this.resizeFrame) {
|
|
|
3415 |
var DOM = YAHOO.util.Dom;
|
|
|
3416 |
var el = this.getEl();
|
|
|
3417 |
var dragEl = this.getDragEl();
|
|
|
3418 |
|
|
|
3419 |
var bt = parseInt( DOM.getStyle(dragEl, "borderTopWidth" ), 10);
|
|
|
3420 |
var br = parseInt( DOM.getStyle(dragEl, "borderRightWidth" ), 10);
|
|
|
3421 |
var bb = parseInt( DOM.getStyle(dragEl, "borderBottomWidth" ), 10);
|
|
|
3422 |
var bl = parseInt( DOM.getStyle(dragEl, "borderLeftWidth" ), 10);
|
|
|
3423 |
|
|
|
3424 |
if (isNaN(bt)) { bt = 0; }
|
|
|
3425 |
if (isNaN(br)) { br = 0; }
|
|
|
3426 |
if (isNaN(bb)) { bb = 0; }
|
|
|
3427 |
if (isNaN(bl)) { bl = 0; }
|
|
|
3428 |
|
|
|
3429 |
|
|
|
3430 |
var newWidth = Math.max(0, el.offsetWidth - br - bl);
|
|
|
3431 |
var newHeight = Math.max(0, el.offsetHeight - bt - bb);
|
|
|
3432 |
|
|
|
3433 |
|
|
|
3434 |
DOM.setStyle( dragEl, "width", newWidth + "px" );
|
|
|
3435 |
DOM.setStyle( dragEl, "height", newHeight + "px" );
|
|
|
3436 |
}
|
|
|
3437 |
},
|
|
|
3438 |
|
|
|
3439 |
// overrides YAHOO.util.DragDrop
|
|
|
3440 |
b4MouseDown: function(e) {
|
|
|
3441 |
this.setStartPosition();
|
|
|
3442 |
var x = YAHOO.util.Event.getPageX(e);
|
|
|
3443 |
var y = YAHOO.util.Event.getPageY(e);
|
|
|
3444 |
this.autoOffset(x, y);
|
|
|
3445 |
|
|
|
3446 |
// This causes the autoscroll code to kick off, which means autoscroll can
|
|
|
3447 |
// happen prior to the check for a valid drag handle.
|
|
|
3448 |
// this.setDragElPos(x, y);
|
|
|
3449 |
},
|
|
|
3450 |
|
|
|
3451 |
// overrides YAHOO.util.DragDrop
|
|
|
3452 |
b4StartDrag: function(x, y) {
|
|
|
3453 |
// show the drag frame
|
|
|
3454 |
this.showFrame(x, y);
|
|
|
3455 |
},
|
|
|
3456 |
|
|
|
3457 |
// overrides YAHOO.util.DragDrop
|
|
|
3458 |
b4EndDrag: function(e) {
|
|
|
3459 |
YAHOO.util.Dom.setStyle(this.getDragEl(), "visibility", "hidden");
|
|
|
3460 |
},
|
|
|
3461 |
|
|
|
3462 |
// overrides YAHOO.util.DragDrop
|
|
|
3463 |
// By default we try to move the element to the last location of the frame.
|
|
|
3464 |
// This is so that the default behavior mirrors that of YAHOO.util.DD.
|
|
|
3465 |
endDrag: function(e) {
|
|
|
3466 |
var DOM = YAHOO.util.Dom;
|
|
|
3467 |
var lel = this.getEl();
|
|
|
3468 |
var del = this.getDragEl();
|
|
|
3469 |
|
|
|
3470 |
// Show the drag frame briefly so we can get its position
|
|
|
3471 |
// del.style.visibility = "";
|
|
|
3472 |
DOM.setStyle(del, "visibility", "");
|
|
|
3473 |
|
|
|
3474 |
// Hide the linked element before the move to get around a Safari
|
|
|
3475 |
// rendering bug.
|
|
|
3476 |
//lel.style.visibility = "hidden";
|
|
|
3477 |
DOM.setStyle(lel, "visibility", "hidden");
|
|
|
3478 |
YAHOO.util.DDM.moveToEl(lel, del);
|
|
|
3479 |
//del.style.visibility = "hidden";
|
|
|
3480 |
DOM.setStyle(del, "visibility", "hidden");
|
|
|
3481 |
//lel.style.visibility = "";
|
|
|
3482 |
DOM.setStyle(lel, "visibility", "");
|
|
|
3483 |
},
|
|
|
3484 |
|
|
|
3485 |
toString: function() {
|
|
|
3486 |
return ("DDProxy " + this.id);
|
|
|
3487 |
}
|
|
|
3488 |
/**
|
|
|
3489 |
* @event mouseDownEvent
|
|
|
3490 |
* @description Provides access to the mousedown event. The mousedown does not always result in a drag operation.
|
|
|
3491 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3492 |
*/
|
|
|
3493 |
|
|
|
3494 |
/**
|
|
|
3495 |
* @event b4MouseDownEvent
|
|
|
3496 |
* @description Provides access to the mousedown event, before the mouseDownEvent gets fired. Returning false will cancel the drag.
|
|
|
3497 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3498 |
*/
|
|
|
3499 |
|
|
|
3500 |
/**
|
|
|
3501 |
* @event mouseUpEvent
|
|
|
3502 |
* @description Fired from inside DragDropMgr when the drag operation is finished.
|
|
|
3503 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3504 |
*/
|
|
|
3505 |
|
|
|
3506 |
/**
|
|
|
3507 |
* @event b4StartDragEvent
|
|
|
3508 |
* @description Fires before the startDragEvent, returning false will cancel the startDrag Event.
|
|
|
3509 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3510 |
*/
|
|
|
3511 |
|
|
|
3512 |
/**
|
|
|
3513 |
* @event startDragEvent
|
|
|
3514 |
* @description Occurs after a mouse down and the drag threshold has been met. The drag threshold default is either 3 pixels of mouse movement or 1 full second of holding the mousedown.
|
|
|
3515 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3516 |
*/
|
|
|
3517 |
|
|
|
3518 |
/**
|
|
|
3519 |
* @event b4EndDragEvent
|
|
|
3520 |
* @description Fires before the endDragEvent. Returning false will cancel.
|
|
|
3521 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3522 |
*/
|
|
|
3523 |
|
|
|
3524 |
/**
|
|
|
3525 |
* @event endDragEvent
|
|
|
3526 |
* @description Fires on the mouseup event after a drag has been initiated (startDrag fired).
|
|
|
3527 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3528 |
*/
|
|
|
3529 |
|
|
|
3530 |
/**
|
|
|
3531 |
* @event dragEvent
|
|
|
3532 |
* @description Occurs every mousemove event while dragging.
|
|
|
3533 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3534 |
*/
|
|
|
3535 |
/**
|
|
|
3536 |
* @event b4DragEvent
|
|
|
3537 |
* @description Fires before the dragEvent.
|
|
|
3538 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3539 |
*/
|
|
|
3540 |
/**
|
|
|
3541 |
* @event invalidDropEvent
|
|
|
3542 |
* @description Fires when the dragged objects is dropped in a location that contains no drop targets.
|
|
|
3543 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3544 |
*/
|
|
|
3545 |
/**
|
|
|
3546 |
* @event b4DragOutEvent
|
|
|
3547 |
* @description Fires before the dragOutEvent
|
|
|
3548 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3549 |
*/
|
|
|
3550 |
/**
|
|
|
3551 |
* @event dragOutEvent
|
|
|
3552 |
* @description Fires when a dragged object is no longer over an object that had the onDragEnter fire.
|
|
|
3553 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3554 |
*/
|
|
|
3555 |
/**
|
|
|
3556 |
* @event dragEnterEvent
|
|
|
3557 |
* @description Occurs when the dragged object first interacts with another targettable drag and drop object.
|
|
|
3558 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3559 |
*/
|
|
|
3560 |
/**
|
|
|
3561 |
* @event b4DragOverEvent
|
|
|
3562 |
* @description Fires before the dragOverEvent.
|
|
|
3563 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3564 |
*/
|
|
|
3565 |
/**
|
|
|
3566 |
* @event dragOverEvent
|
|
|
3567 |
* @description Fires every mousemove event while over a drag and drop object.
|
|
|
3568 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3569 |
*/
|
|
|
3570 |
/**
|
|
|
3571 |
* @event b4DragDropEvent
|
|
|
3572 |
* @description Fires before the dragDropEvent
|
|
|
3573 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3574 |
*/
|
|
|
3575 |
/**
|
|
|
3576 |
* @event dragDropEvent
|
|
|
3577 |
* @description Fires when the dragged objects is dropped on another.
|
|
|
3578 |
* @type YAHOO.util.CustomEvent See <a href="YAHOO.util.Element.html#addListener">Element.addListener</a> for more information on listening for this event.
|
|
|
3579 |
*/
|
|
|
3580 |
|
|
|
3581 |
});
|
|
|
3582 |
/**
|
|
|
3583 |
* A DragDrop implementation that does not move, but can be a drop
|
|
|
3584 |
* target. You would get the same result by simply omitting implementation
|
|
|
3585 |
* for the event callbacks, but this way we reduce the processing cost of the
|
|
|
3586 |
* event listener and the callbacks.
|
|
|
3587 |
* @class DDTarget
|
|
|
3588 |
* @extends YAHOO.util.DragDrop
|
|
|
3589 |
* @constructor
|
|
|
3590 |
* @param {String} id the id of the element that is a drop target
|
|
|
3591 |
* @param {String} sGroup the group of related DragDrop objects
|
|
|
3592 |
* @param {object} config an object containing configurable attributes
|
|
|
3593 |
* Valid properties for DDTarget in addition to those in
|
|
|
3594 |
* DragDrop:
|
|
|
3595 |
* none
|
|
|
3596 |
*/
|
|
|
3597 |
YAHOO.util.DDTarget = function(id, sGroup, config) {
|
|
|
3598 |
if (id) {
|
|
|
3599 |
this.initTarget(id, sGroup, config);
|
|
|
3600 |
}
|
|
|
3601 |
};
|
|
|
3602 |
|
|
|
3603 |
// YAHOO.util.DDTarget.prototype = new YAHOO.util.DragDrop();
|
|
|
3604 |
YAHOO.extend(YAHOO.util.DDTarget, YAHOO.util.DragDrop, {
|
|
|
3605 |
toString: function() {
|
|
|
3606 |
return ("DDTarget " + this.id);
|
|
|
3607 |
}
|
|
|
3608 |
});
|
|
|
3609 |
YAHOO.register("dragdrop", YAHOO.util.DragDropMgr, {version: "2.9.0", build: "2800"});
|
|
|
3610 |
|
|
|
3611 |
}, '2.9.0' ,{"requires": ["yui2-yahoo", "yui2-dom", "yui2-event"]});
|