(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':' ','parameterName':'f_tag'};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){var data={};data[settings.parameterName]=currentTag.tag;if(settings.url){$.ajax({'url':settings.url,'dataType':'json','data':data,'async':false,'success':function(m){matches=m;}});}else{for(i=0;i<userTags.length;i++){if(userTags[i].indexOf(currentTag.tag)===0)matches.push(userTags[i]);}}matches=$.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 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;case 8:case 188:if(this.value==''){hideSuggestions();setSelection();return true;}else{type='keyup';resetSelection=true;showSuggestionsDelayed(this);}break;}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);