YUI.add("moodle-atto_accessibilitychecker-button",function(e,t){var n="atto_accessibilitychecker";e.namespace("M.atto_accessibilitychecker").Button=e.Base.create("button",e.M.editor_atto.EditorPlugin,[],{initializer:function(){this.addButton({icon:"e/accessibility_checker",callback:this._displayDialogue})},_displayDialogue:function(){var e=this.getDialogue({headerContent:M.util.get_string("pluginname",n),width:"500px",focusAfterHide:!0});e.set("bodyContent",this._getDialogueContent()).show()},_getDialogueContent:function(){var t=e.Node.create('<div style="word-wrap: break-word;"></div>');return t.append(this._getWarnings()),t.delegate("click",function(e){e.preventDefault();var t=this.get("host"),n=e.currentTarget.getData("sourceNode"),r=this.getDialogue();n?(r.set("focusAfterHide",this.editor).hide(),t.setSelection(t.getSelectionFromNode(n))):r.hide()},"a",this),t},_getWarnings:function(){var t,r=e.Node.create("<div></div>");return t=[],this.editor.all("img").each(function(e){alt=e.getAttribute("alt"),(typeof alt=="undefined"||alt==="")&&e.getAttribute("role")!=="presentation"&&t.push(e)},this),this._addWarnings(r,M.util.get_string("imagesmissingalt",n),t,!0),t=[],this.editor.all("*").each(function(n){var r,i,s,o,u;if(e.Lang.trim(n.get("text"))!==""){r=n.getComputedStyle("color"),i=n.getComputedStyle("backgroundColor"),o=this._getLuminanceFromCssColor(r),u=this._getLuminanceFromCssColor(i),o>u?s=(o+.05)/(u+.05):s=(u+.05)/(o+.05);if(s<=4.5){var a=0,f=!1;for(a=0;a<t.length;a++){if(n.ancestors("*").indexOf(t[a])!==-1){f=!0;break}if(t[a].ancestors("*").indexOf(n)!==-1){t[a]=n,f=!0;break}}f||t.push(n)}}},this),this._addWarnings(r,M.util.get_string("needsmorecontrast",n),t,!1),this.editor.get("text").length>1e3&&!this.editor.one("h3, h4, h5")&&this._addWarnings(r,M.util.get_string("needsmoreheadings",n),[this.editor],!1),t=[],this.editor.all("table").each(function(e){caption=e.one("caption"),(caption===null||caption.get("text").trim()==="")&&t.push(e)},this),this._addWarnings(r,M.util.get_string("tablesmissingcaption",n),t,!1),t=[],this.editor.all("table").each(function(e){caption=e.one("[colspan],[rowspan]"),caption!==null&&t.push(e)},this),this._addWarnings(r,M.util.get_string("tableswithmergedcells",n),t,!1),t=[],this.editor.all("table").each(function(e){if(e.one("tr").one("td"))e.all("tr").some(function(n){var r=n.one("th");return!r||r.get("text").trim()===""?(t.push(e),!0):!1},this);else{var n=!1;e.one("tr").all("th").some(function(r){return n=!0,r.get("text").trim()===""?(t.push(e),!0):!1}),n||t.push(e)}},this),this._addWarnings(r,M.util.get_string("tablesmissingheaders",n),t,!1),r.hasChildNodes()||r.append("<p>"+M.util.get_string("nowarnings",n)+"</p>"),r},_addWarnings:function(t,r,i,s){var o,u,a,f,l,c,h,p;if(i.length>0){o=e.Node.create("<p>"+r+"</p>"),u=e.Node.create('<ol class="accessibilitywarnings"></ol>'),a=0;for(a=0;a<i.length;a++)c=e.Node.create("<li></li>"),s?(f=i[a].getAttribute("src"),h=e.Node.create('<a href="#"><img src="'+f+'" /> '+f+"</a>")):(l="innerText"in i[a]?"innerText":"textContent",p=i[a].get(l).trim(),p===""&&(p=M.util.get_string("emptytext",n)),i[a]===this.editor&&(p=M.util.get_string("entiredocument",n)),h=e.Node.create('<a href="#">'+p+"</a>")),h.setData("sourceNode",i[a]),c.append(h),u.append(c);o.append(u),t.append(o)}},_getLuminanceFromCssColor:function(t){var n;t==="transparent"&&(t="#ffffff"),n=e.Color.toArray(e.Color.toRGB(t));var r=function(e){return e=parseInt(e,10)/255,e<=.03928?e/=12.92:e=Math.pow((e+.055)/1.055,2.4),e},i=r(n[0]),s=r(n[1]),o=r(n[2]);return.2126*i+.7152*s+.0722*o}})},"@VERSION@",{requires:["color-base","moodle-editor_atto-plugin"]});
YUI.add("moodle-atto_accessibilityhelper-button",function(e,t){var n="atto_accessibilityhelper",r='<div><p id="{{elementid}}_{{CSS.STYLESLABEL}}">{{get_string "liststyles" component}}<br/><span aria-labelledby="{{elementid}}_{{CSS.STYLESLABEL}}" /></p></div><span class="listStyles"></span><p id="{{elementid}}_{{CSS.LINKSLABEL}}">{{get_string "listlinks" component}}<br/><span aria-labelledby="{{elementid}}_{{CSS.LINKSLABEL}}"/></p><span class="listLinks"></span><p id="{{elementid}}_{{CSS.IMAGESLABEL}}">{{get_string "listimages" component}}<br/><span aria-labelledby="{{elementid}}_{{CSS.IMAGESLABEL}}"/></p><span class="listImages"></span>',i={STYLESLABEL:n+"_styleslabel",LINKSLABEL:n+"_linkslabel",IMAGESLABEL:n+"_imageslabel"};e.namespace("M.atto_accessibilityhelper").Button=e.Base.create("button",e.M.editor_atto.EditorPlugin,[],{initializer:function(){this.addButton({icon:"e/screenreader_helper",callback:this._displayDialogue})},_displayDialogue:function(){var e=this.getDialogue({headerContent:M.util.get_string("pluginname",n),width:"800px",focusAfterHide:!0});e.set("bodyContent",this._getDialogueContent()).show()},_getDialogueContent:function(){var t=e.Handlebars.compile(r),s=e.Node.create(t({CSS:i,component:n}));return s.one(".listStyles").empty().appendChild(this._listStyles()),s.one(".listLinks").empty().appendChild(this._listLinks()),s.one(".listImages").empty().appendChild(this._listImages()),s},_listStyles:function(){var t=[],r=this.get("host"),i=r.getSelectionParentNode(),s;i&&(i=e.one(i));while(i&&i!==this.editor)s=i.get("tagName"),typeof s!="undefined"&&t.push(e.Escape.html(s)),i=i.ancestor();return t.length===0&&t.push(M.util.get_string("nostyles",n)),t.reverse(),t.join(", ")},_listLinks:function(){var t=e.Node.create("<ol />"),r,i;return this.editor.all("a").each(function(s){i=e.Node.create('<a href="#" title="'+M.util.get_string("selectlink",n)+'">'+e.Escape.html(s.get("text"))+"</a>"),i.setData("sourcelink",s),i.on("click",this._linkSelected,this),r=e.Node.create("<li></li>"),r.appendChild(i),t.appendChild(r)},this),t.hasChildNodes()||t.append("<li>"+M.util.get_string("nolinks",n)+"</li>"),t},_listImages:function(){var t=e.Node.create("<ol/>"),r,i;return this.editor.all("img").each(function(s){var o=s.getAttribute("alt");o===""&&(o=s.getAttribute("title"),o===""&&(o=s.getAttribute("src"))),i=e.Node.create('<a href="#" title="'+M.util.get_string("selectimage",n)+'">'+e.Escape.html(o)+"</a>"),i.setData("sourceimage",s),i.on("click",this._imageSelected,this),r=e.Node.create("<li></li>"),r.append(i),t.append(r)},this),t.hasChildNodes()||t.append("<li>"+M.util.get_string("noimages",n)+"</li>"),t},_imageSelected:function(e){e.preventDefault(),this.getDialogue({focusAfterNode:null}).hide();var t=this.get("host"),n=e.target.getData("sourceimage");this.editor.focus(),t.setSelection(t.getSelectionFromNode(n))},_linkSelected:function(e){e.preventDefault(),this.getDialogue({focusAfterNode:null}).hide();var t=this.get("host"),n=e.target.getData("sourcelink");this.editor.focus(),t.setSelection(t.getSelectionFromNode(n))}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
YUI.add("moodle-atto_html-button",function(e,t){e.namespace("M.atto_html").Button=e.Base.create("button",e.M.editor_atto.EditorPlugin,[],{initializer:function(){this.addButton({icon:"e/source_code",callback:this._toggleHTML})},_toggleHTML:function(){this.set("isHTML",!this.get("isHTML")),this._showHTML()},_showHTML:function(){var e=this.get("host");this.get("isHTML")?(this.highlightButtons("html"),e.disablePlugins(),e.enablePlugins(this.name),e.updateOriginal(),e.textarea.setStyles({width:this.editor.getComputedStyle("width"),height:this.editor.getComputedStyle("height"),margin:this.editor.getComputedStyle("margin"),padding:this.editor.getComputedStyle("padding")}),this.editor.hide(),e.textarea.show(),e.textarea.focus()):(this.unHighlightButtons("html"),e.enablePlugins(),e.updateFromTextArea(),e.textarea.hide(),this.editor.show(),e.focus(),this.markUpdated())}},{ATTRS:{isHTML:{value:!1}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin","event-valuechange"]});