(function($){var globalTags=[];window.setGlobalTags=function(tags){globalTags=getTags(tags)};function getTags(tags){var tag,i,goodTags=[];for(i=0;i<tags.length;i++){tag=tags[i];if(typeof tags[i]=="object")tag=tags[i].tag;goodTags.push(tag.toLowerCase())}return goodTags}$.fn.tagSuggest=function(options){var defaults={matchClass:"tagMatches",tagContainer:"span",tagWrap:"span",sort:true,tags:null,url:null,delay:0,separator:" "};var i,tag,userTags=[],settings=$.extend({},defaults,options);if(settings.tags)userTags=
getTags(settings.tags);else userTags=globalTags;return this.each(function(){var tagsElm=$(this);var elm=this;var matches,fromTab=false;var suggestionsShow=false;var workingTags=[];var currentTag={position:0,tag:""};var tagMatches=document.createElement(settings.tagContainer);function showSuggestionsDelayed(el,key){if(settings.delay){if(elm.timer)clearTimeout(elm.timer);elm.timer=setTimeout(function(){showSuggestions(el,key)},settings.delay)}else showSuggestions(el,key)}function showSuggestions(el,
key){workingTags=el.value.split(settings.separator);matches=[];var i,html="",chosenTags={},tagSelected=false;currentTag={position:currentTags.length-1,tag:""};for(i=0;i<currentTags.length&&i<workingTags.length;i++){if(!tagSelected&&currentTags[i].toLowerCase()!=workingTags[i].toLowerCase()){currentTag={position:i,tag:workingTags[i].toLowerCase()};tagSelected=true}chosenTags[currentTags[i].toLowerCase()]=true}if(currentTag.tag){if(settings.url)$.ajax({url:settings.url,dataType:"json",data:{tag:currentTag.tag},
async:false,success:function(m){matches=m}});else for(i=0;i<userTags.length;i++)if(userTags[i].indexOf(currentTag.tag)===0)matches.push(userTags[i]);matches=$.grep(matches,function(v,i){return!chosenTags[v.toLowerCase()]});if(settings.sort)matches=matches.sort();for(i=0;i<matches.length;i++)html+="<"+settings.tagWrap+' class="_tag_suggestion">'+matches[i]+"</"+settings.tagWrap+">";tagMatches.html(html);suggestionsShow=!!matches.length}else hideSuggestions()}function hideSuggestions(){tagMatches.empty();
matches=[];suggestionsShow=false}function setSelection(){var v=tagsElm.val();if(v==tagsElm.attr("title")&&tagsElm.is(".hint"))v="";currentTags=v.split(settings.separator);hideSuggestions()}function chooseTag(tag){var i,index;for(i=0;i<currentTags.length;i++)if(currentTags[i].toLowerCase()!=workingTags[i].toLowerCase()){index=i;break}if(index==workingTags.length-1)tag=tag+settings.separator;workingTags[i]=tag;tagsElm.val(workingTags.join(settings.separator));tagsElm.blur().focus();setSelection()}function handleKeys(ev){fromTab=
false;var type=ev.type;var resetSelection=false;switch(ev.keyCode){case 37:case 38:case 39:case 40:hideSuggestions();return true;case 224:case 17:case 16:case 18:return true;case 8:if(this.value==""){hideSuggestions();setSelection();return true}else{type="keyup";resetSelection=true;showSuggestionsDelayed(this)}break;case 9:case 13:if(suggestionsShow){chooseTag(matches[0]);fromTab=true;return false}else return true;case 27:hideSuggestions();setSelection();return true;case 32:setSelection();return true}if(type==
"keyup"){switch(ev.charCode){case 9:case 13:return true}if(resetSelection)setSelection();showSuggestionsDelayed(this,ev.charCode)}}tagsElm.after(tagMatches).keypress(handleKeys).keyup(handleKeys).blur(function(){if(fromTab==true||suggestionsShow){fromTab=false;tagsElm.focus()}});tagMatches=$(tagMatches).click(function(ev){if(ev.target.nodeName==settings.tagWrap.toUpperCase()&&$(ev.target).is("._tag_suggestion"))chooseTag(ev.target.innerHTML)}).addClass(settings.matchClass);setSelection()})}})(jQuery);