engine/app/assets/javascripts/locomotive/aloha/plugins/com.gentics.aloha.plugins.TOC/plugin.js

(function(){var deps=GENTICS.Aloha.TOC||{jQuery:jQuery},$=deps.jQuery;function last(a){return a[a.length-1]}function head(a){return a[0]}function tail(a){return a.slice(1)}function indexOf(a,item){return detect(a,function(cmp){return cmp===item})}function detect(a,f){for(var i=0;i<a.length;i++){if(f(a[i])){return a[i]}}return null}function map(a,f){var result=[];for(var i=0;i<a.length;i++){result.push(f(a[i]))}return result}function each(a,f){map(a,f)}var namespace="com.gentics.aloha.plugins.TOC";var TOC=GENTICS.Aloha.TOC=new GENTICS.Aloha.Plugin(namespace);GENTICS.Aloha.TOC.languages=["en","de"];var $containers=null;var allTocs=[];TOC.init=function(){var s=TOC.settings;s.updateInterval=s.updateInterval||5000;s.minEntries=s.minEntries||0;TOC.initButtons();$(document).ready(function(){TOC.spawn()})};TOC.initButtons=function(){TOC.insertTocButton=new GENTICS.Aloha.ui.Button({iconClass:"GENTICS_button GENTICS_button_ul",size:"small",onclick:function(){TOC.insertAtSelection($containers)},tooltip:this.i18n("button.addtoc.tooltip"),toggle:false});GENTICS.Aloha.FloatingMenu.addButton("GENTICS.Aloha.continuoustext",this.insertTocButton,GENTICS.Aloha.i18n(GENTICS.Aloha,"floatingmenu.tab.insert"),1)};TOC.register=function($c){$containers=$c};TOC.generateId=function(elemOrText){var validId;if(typeof elemOrText=="object"){validId=$(elemOrText).text().replace(/[^a-zA-Z-]+/g,"-").replace(/^[^a-zA-Z]+/,"")}else{if(elemOrText){validId=elemOrText}}for(var uniquifier=0;;uniquifier++){var uniqueId=validId;if(uniquifier){uniqueId+="-"+uniquifier}var conflict=document.getElementById(uniqueId);if(!conflict||(typeof elemOrText=="object"&&conflict===elemOrText)){return uniqueId}}};TOC.outline=function(ctx){var rootNode=[$()];var potentialParents=[rootNode];TOC.headings(ctx).each(function(){var $heading=$(this);var nodeName=this.nodeName.toLowerCase();var hLevels=["h6","h5","h4","h3","h2","h1"];var currLevel=$.inArray(nodeName,hLevels);var higherEq=hLevels.slice(currLevel).join(",");var $section=$heading.nextUntil(higherEq).andSelf();var node=[$section];var parent=detect(potentialParents,function(parent){var parentSection=parent[0];return !parentSection.length||detect(parentSection,function(sectionElem){return $heading.get(0)===sectionElem||$.contains(sectionElem,$heading.get(0))})});parent.push(node);potentialParents.splice(0,indexOf(potentialParents,parent),node)});return rootNode};TOC.editableContainers=function(){return $(map(GENTICS.Aloha.editables,function(editable){return document.getElementById(editable.getId())}))};TOC.headings=function($ctx){return $ctx.find(":header").add($ctx.filter(":header"))};TOC.anchorFromLinkId=function($ctx,linkId){return linkId?$ctx.find('a[href $= "#'+linkId+'"]'):$()};TOC.linkIdFromAnchor=function($anchor){var href=$anchor.attr("href");return href?href.match(/#(.*?)$/)[1]:null};TOC.insertAtSelection=function($containers){$containers=$containers||TOC.editableContainers();var id=TOC.generateId("toc");var $tocElement=$("<ol class='toc_root'></ol>").attr("id",id).attr("contentEditable","false");var range=GENTICS.Aloha.Selection.getRangeObject();var tocEditable=GENTICS.Aloha.activeEditable;var $tocContainer=$(document.getElementById(tocEditable.getId()));GENTICS.Utils.Dom.insertIntoDOM($tocElement,range,$tocContainer);TOC.create(id).register($containers).update().tickTock()};TOC.spawn=function($ctx,$containers){$ctx=$ctx||$("body");$containers=$containers||TOC.editableContainers();$ctx.find("ol.toc_root").each(function(){var id=$(this).attr("id");if(!id){id=TOC.generateId("toc");$(this).attr("id",id)}TOC.create(id).register($containers).tickTock()})};TOC.create=function(id){allTocs.push(this);return{id:id,"$containers":$(),root:function(){return $(document.getElementById(this.id))},register:function($containers){var self=this;self.$containers=self.$containers.add($containers);self.$containers.filter(function(){return !$(this).data(namespace+"."+self.id+".listening")}).each(function(){var $container=$(this);$container.data(namespace+"."+self.id+".listening",true);$container.bind("blur",function(){self.cleanupIds($container.get(0));self.update($container)})});return self},tickTock:function(interval){var self=this;interval=interval||TOC.settings.updateInterval;if(!interval){return}window.setInterval(function(){self.register(TOC.editableContainers());self.update()},interval);return self},cleanupIds:function(ctx){var ids=[];TOC.headings(this.$containers).each(function(){var id=$(this).attr("id");if((id&&-1!=$.inArray(id,ids))||(ctx&&($.contains(ctx,this)||ctx===this))){$(this).attr("id",TOC.generateId(this))}ids.push(id)});return this},update:function($ctx){var self=this;$ctx=$ctx||self.$containers;var outline=TOC.outline(self.$containers);var ancestors=[self.root()];var prevSiblings=[];last(ancestors).empty();(function descend(outline){var prevSiblings=[];each(outline,function(node){var $section=head(node);var $entry=self.linkSection($section,ancestors,prevSiblings);ancestors.push($entry);descend(tail(node));ancestors.pop();prevSiblings.push($entry)})})(tail(outline));var minEntries=self.root().attr("data-TOC-minEntries")||TOC.settings.minEntries;if(self.root().find("li").length>=minEntries){self.root().show()}else{self.root().hide()}return this},linkSection:function($section,ancestors,prevSiblings){var linkId=$section.eq(0).attr("id");if(!linkId){linkId=TOC.generateId($section.get(0));$section.eq(0).attr("id",linkId)}var $root=this.root();var $entry=TOC.anchorFromLinkId($root,linkId);if(!$entry.length){$entry=$("<li><a/></li>")}$entry.find("a").attr("href","#"+linkId).text($section.eq(0).text());if(last(prevSiblings)){last(prevSiblings).after($entry)}else{if(last(ancestors).get(0)==$root.get(0)){$root.append($entry)}else{var $subToc=$("<ol/>").append($entry);last(ancestors).append($subToc)}}return $entry}}}}());