Proyectos de Subversion Moodle

define("tiny_accessibilitychecker/checker",["exports","core/templates","core/str","./common","core/modal","core/modal_events","./colorbase","editor_tiny/options"],(function(_exports,_templates,_str,_common,_modal,ModalEvents,_colorbase,_options){function _getRequireWildcardCache(nodeInterop){if("function"!=typeof WeakMap)return null;var cacheBabelInterop=new WeakMap,cacheNodeInterop=new WeakMap;return(_getRequireWildcardCache=function(nodeInterop){return nodeInterop?cacheNodeInterop:cacheBabelInterop})(nodeInterop)}function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}
/*
   * @package    tiny_accessibilitychecker
   * @copyright  2022, Stevani Andolo  <stevani@hotmail.com.au>
   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_templates=_interopRequireDefault(_templates),_modal=_interopRequireDefault(_modal),ModalEvents=function(obj,nodeInterop){if(!nodeInterop&&obj&&obj.__esModule)return obj;if(null===obj||"object"!=typeof obj&&"function"!=typeof obj)return{default:obj};var cache=_getRequireWildcardCache(nodeInterop);if(cache&&cache.has(obj))return cache.get(obj);var newObj={},hasPropertyDescriptor=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var key in obj)if("default"!==key&&Object.prototype.hasOwnProperty.call(obj,key)){var desc=hasPropertyDescriptor?Object.getOwnPropertyDescriptor(obj,key):null;desc&&(desc.get||desc.set)?Object.defineProperty(newObj,key,desc):newObj[key]=obj[key]}newObj.default=obj,cache&&cache.set(obj,newObj);return newObj}(ModalEvents),_colorbase=_interopRequireDefault(_colorbase);return _exports.default=class{constructor(editor){this.editor=editor,this.colorBase=new _colorbase.default,this.modal=null,this.placeholderSelectors=null;const placeholders=(0,_options.getPlaceholderSelectors)(this.editor);placeholders.length&&(this.placeholderSelectors=placeholders.join(", "))}destroy(){delete this.editor,delete this.colorBase,this.modal.destroy(),delete this.modal}async displayDialogue(){this.modal=await _modal.default.create({large:!0,title:(0,_str.getString)("pluginname",_common.component),body:this.getDialogueContent(),show:!0}),this.modal.getRoot().on(ModalEvents.hidden,(()=>this.destroy())),this.modal.getRoot()[0].addEventListener("click",(event=>{const faultLink=event.target.closest('[data-action="highlightfault"]');if(!faultLink)return;event.preventDefault();const nodeName=faultLink.dataset.nodeName;let selectedNode=null;if(nodeName)if(nodeName.includes(",")||"body"===nodeName)selectedNode=this.editor.dom.select("body")[0];else{var _faultLink$dataset$no;const nodeIndex=null!==(_faultLink$dataset$no=faultLink.dataset.nodeIndex)&&void 0!==_faultLink$dataset$no?_faultLink$dataset$no:0;selectedNode=this.editor.dom.select(nodeName)[nodeIndex]}selectedNode&&"BODY"!==selectedNode.nodeName.toUpperCase()&&this.selectAndScroll(selectedNode),this.modal.hide()}))}async getAllWarningStrings(){const keys=["emptytext","entiredocument","imagesmissingalt","needsmorecontrast","needsmoreheadings","tablesmissingcaption","tablesmissingheaders","tableswithmergedcells"],stringValues=await(0,_str.getStrings)(keys.map((key=>({key:key,component:_common.component}))));return new Map(keys.map(((key,index)=>[key,stringValues[index]])))}async getDialogueContent(){const langStrings=await this.getAllWarningStrings(),warnings=this.getWarnings().map((warning=>(warning.description&&("langstring"===warning.description.type?warning.description=langStrings.get(warning.description.value):warning.description=warning.description.value),warning.nodeData=warning.nodeData.map((problemNode=>(problemNode.text&&("langstring"===problemNode.text.type?problemNode.text=langStrings.get(problemNode.text.value):problemNode.text=problemNode.text.value),problemNode))),warning)));return _templates.default.render("tiny_accessibilitychecker/warning_content",{warnings:warnings})}selectAndScroll(node){this.editor.selection.select(node).scrollIntoView({behavior:"smooth",block:"nearest"})}getWarnings(){const warnings=[];return warnings.push(this.createWarnings("imagesmissingalt",this.checkImage(),!0)),warnings.push(this.createWarnings("needsmorecontrast",this.checkOtherElements(),!1)),this.editor.getContent({format:"text"}).length>1e3&&this.editor.dom.select("h3,h4,h5").length<1&&warnings.push(this.createWarnings("needsmoreheadings",[this.editor],!1)),warnings.push(this.createWarnings("tablesmissingcaption",this.checkTableCaption(),!1)),warnings.push(this.createWarnings("tableswithmergedcells",this.checkTableMergedCells(),!1)),warnings.push(this.createWarnings("tablesmissingheaders",this.checkTableHeaders(),!1)),warnings.filter((warning=>warning.nodeData.length>0))}createWarnings(description,nodes,isImageType){const getTextValue=node=>{if(node===this.editor)return{type:"langstring",value:"entiredocument"};const emptyStringValue={type:"langstring",value:"emptytext"};if("innerText"in node){const value=node.innerText.trim();return value.length?{type:"raw",value:value}:emptyStringValue}if("textContent"in node){const value=node.textContent.trim();return value.length?{type:"raw",value:value}:emptyStringValue}return{type:"raw",value:node.nodeName}},getEventualNode=node=>{if(node!==this.editor)return node;const childNodes=node.dom.select("body")[0].childNodes;return childNodes.length?document.body:childNodes},warning={description:{type:"langstring",value:description},nodeData:[]};return warning.nodeData=[...nodes].filter((node=>node!==this.editor&&this.placeholderSelectors?!1===node.matches(this.placeholderSelectors):node)).map((node=>{const describedNode=getEventualNode(node),nodeIndex=this.editor.dom.select(describedNode.nodeName).indexOf(describedNode),warning={src:null,text:null,nodeName:describedNode.nodeName,nodeIndex:nodeIndex};return isImageType?warning.src=node.getAttribute("src"):warning.text=getTextValue(node),warning})),warning}checkImage(){const problemNodes=[];return this.editor.dom.select("img").forEach((img=>{img.getAttribute("alt")||"presentation"===img.getAttribute("role")||problemNodes.push(img)})),problemNodes}checkTableCaption(){const problemNodes=[];return this.editor.dom.select("table").forEach((table=>{const caption=table.querySelector("caption");null!=caption&&caption.textContent.trim()||problemNodes.push(table)})),problemNodes}checkOtherElements(){const problemNodes=[];return this.editor.dom.select("body *").filter((node=>node.hasChildNodes()&&null!==node.childNodes[0].nodeValue)).forEach((node=>{const foreground=this.colorBase.fromArray(this.getComputedBackgroundColor(node,window.getComputedStyle(node,null).getPropertyValue("color")),this.colorBase.TYPES.RGBA),background=this.colorBase.fromArray(this.getComputedBackgroundColor(node),this.colorBase.TYPES.RGBA),lum1=this.getLuminanceFromCssColor(foreground),lum2=this.getLuminanceFromCssColor(background),ratio=((lum1,lum2)=>lum1>lum2?(lum1+.05)/(lum2+.05):(lum2+.05)/(lum1+.05))(lum1,lum2);ratio<=4.5&&(window.console.log("\n                        Contrast ratio is too low: ".concat(ratio,"\n                        Colour 1: ").concat(foreground,"\n                        Colour 2: ").concat(background,"\n                        Luminance 1: ").concat(lum1,"\n                        Luminance 2: ").concat(lum2,"\n                    ")),problemNodes.find((existingProblemNode=>existingProblemNode.contains(node)))||problemNodes.push(node))})),problemNodes}checkTableMergedCells(){const problemNodes=[];return this.editor.dom.select("table").forEach((table=>{table.querySelectorAll("[colspan], [rowspan]").length&&problemNodes.push(table)})),problemNodes}checkTableHeaders(){const problemNodes=[];return this.editor.dom.select("table").forEach((table=>{if(table.querySelector("tr").querySelector("td")){[...table.querySelectorAll("tr")].some((row=>{const header=row.querySelector("th");return!header||!header.textContent.trim()}))&&problemNodes.push(table)}else[...table.querySelectorAll("tr th")].some((header=>!header.textContent.trim()))&&problemNodes.push(table)})),problemNodes}getLuminanceFromCssColor(colortext){"transparent"===colortext&&(colortext="#ffffff");const color=this.colorBase.toArray(this.colorBase.toRGB(colortext)),part1=a=>((a=parseInt(a,10)/255)<=.03928?a/=12.92:a=Math.pow((a+.055)/1.055,2.4),a);return.2126*part1(color[0])+.7152*part1(color[1])+.0722*part1(color[2])}getComputedBackgroundColor(node,color){if(!node.parentNode)return this.colorBase.toArray("rgba(255, 255, 255, 1)");"rgba(0, 0, 0, 0)"!==(color=color||window.getComputedStyle(node,null).getPropertyValue("background-color")).toLowerCase()&&"transparent"!==color.toLowerCase()||(color="rgba(1, 1, 1, 0)");const colorParts=this.colorBase.toArray(color),alpha=colorParts[3];if(1===alpha)return colorParts;const parentColor=this.getComputedBackgroundColor(node.parentNode);return[(1-alpha)*parentColor[0]+alpha*colorParts[0],(1-alpha)*parentColor[1]+alpha*colorParts[1],(1-alpha)*parentColor[2]+alpha*colorParts[2],1]}},_exports.default}));

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