(function($){var DEFAULT_SETTINGS={hintText:"Type in a search term",noResultsText:"No results",searchingText:"Searching...",deleteText:"&times;",searchDelay:300,minChars:1,tokenLimit:null,jsonContainer:null,method:"GET",contentType:"json",queryParam:"q",tokenDelimiter:",",preventDuplicates:false,prePopulate:null,processPrePopulate:false,animateDropdown:true,onResult:null,onAdd:null,onDelete:null};var DEFAULT_CLASSES={tokenList:"token-input-list",token:"token-input-token",tokenDelete:"token-input-delete-token",selectedToken:"token-input-selected-token",highlightedToken:"token-input-highlighted-token",dropdown:"token-input-dropdown",dropdownItem:"token-input-dropdown-item",dropdownItem2:"token-input-dropdown-item2",selectedDropdownItem:"token-input-selected-dropdown-item",inputToken:"token-input-input-token"};var POSITION={BEFORE:0,AFTER:1,END:2};var KEY={BACKSPACE:8,TAB:9,ENTER:13,ESCAPE:27,SPACE:32,PAGE_UP:33,PAGE_DOWN:34,END:35,HOME:36,LEFT:37,UP:38,RIGHT:39,DOWN:40,NUMPAD_ENTER:108,COMMA:188};$.fn.tokenInput=function(url_or_data,options){var settings=$.extend({},DEFAULT_SETTINGS,options||{});return this.each(function(){new $.TokenList(this,url_or_data,settings)})};$.TokenList=function(input,url_or_data,settings){if(typeof(url_or_data)==="string"){settings.url=url_or_data;if(settings.crossDomain===undefined){if(settings.url.indexOf("://")===-1){settings.crossDomain=false}else{settings.crossDomain=(location.href.split(/\/+/g)[1]!==settings.url.split(/\/+/g)[1])}}}else if(typeof(url_or_data)==="object"){settings.local_data=url_or_data}if(settings.classes){settings.classes=$.extend({},DEFAULT_CLASSES,settings.classes)}else if(settings.theme){settings.classes={};$.each(DEFAULT_CLASSES,function(key,value){settings.classes[key]=value+"-"+settings.theme})}else{settings.classes=DEFAULT_CLASSES}var saved_tokens=[];var token_count=0;var cache=new $.TokenList.Cache();var timeout;var input_val;var input_box=$("<input type=\"text\"  autocomplete=\"off\">").css({outline:"none"}).focus(function(){if(settings.tokenLimit===null||settings.tokenLimit!==token_count){show_dropdown_hint()}}).blur(function(){hide_dropdown()}).bind("keyup keydown blur update",resize_input).keydown(function(event){var previous_token;var next_token;switch(event.keyCode){case KEY.LEFT:case KEY.RIGHT:case KEY.UP:case KEY.DOWN:if(!$(this).val()){previous_token=input_token.prev();next_token=input_token.next();if((previous_token.length&&previous_token.get(0)===selected_token)||(next_token.length&&next_token.get(0)===selected_token)){if(event.keyCode===KEY.LEFT||event.keyCode===KEY.UP){deselect_token($(selected_token),POSITION.BEFORE)}else{deselect_token($(selected_token),POSITION.AFTER)}}else if((event.keyCode===KEY.LEFT||event.keyCode===KEY.UP)&&previous_token.length){select_token($(previous_token.get(0)))}else if((event.keyCode===KEY.RIGHT||event.keyCode===KEY.DOWN)&&next_token.length){select_token($(next_token.get(0)))}}else{var dropdown_item=null;if(event.keyCode===KEY.DOWN||event.keyCode===KEY.RIGHT){dropdown_item=$(selected_dropdown_item).next()}else{dropdown_item=$(selected_dropdown_item).prev()}if(dropdown_item.length){select_dropdown_item(dropdown_item)}return false}break;case KEY.BACKSPACE:previous_token=input_token.prev();if(!$(this).val().length){if(selected_token){delete_token($(selected_token))}else if(previous_token.length){select_token($(previous_token.get(0)))}return false}else if($(this).val().length===1){hide_dropdown()}else{setTimeout(function(){do_search()},5)}break;case KEY.TAB:case KEY.ENTER:case KEY.NUMPAD_ENTER:case KEY.COMMA:if(selected_dropdown_item){add_token($(selected_dropdown_item));return false}break;case KEY.ESCAPE:hide_dropdown();return true;default:if(String.fromCharCode(event.which)){setTimeout(function(){do_search()},5)}break}});var hidden_input=$(input).hide().val("").focus(function(){input_box.focus()}).blur(function(){input_box.blur()});var selected_token=null;var selected_token_index=0;var selected_dropdown_item=null;var token_list=$("<ul />").addClass(settings.classes.tokenList).click(function(event){var li=$(event.target).closest("li");if(li&&li.get(0)&&$.data(li.get(0),"tokeninput")){toggle_select_token(li)}else{if(selected_token){deselect_token($(selected_token),POSITION.END)}input_box.focus()}}).mouseover(function(event){var li=$(event.target).closest("li");if(li&&selected_token!==this){li.addClass(settings.classes.highlightedToken)}}).mouseout(function(event){var li=$(event.target).closest("li");if(li&&selected_token!==this){li.removeClass(settings.classes.highlightedToken)}}).insertBefore(hidden_input);var input_token=$("<li />").addClass(settings.classes.inputToken).appendTo(token_list).append(input_box);var dropdown=$("<div>").addClass(settings.classes.dropdown).appendTo("body").hide();var input_resizer=$("<tester/>").insertAfter(input_box).css({position:"absolute",top:-9999,left:-9999,width:"auto",fontSize:input_box.css("fontSize"),fontFamily:input_box.css("fontFamily"),fontWeight:input_box.css("fontWeight"),letterSpacing:input_box.css("letterSpacing"),whiteSpace:"nowrap"});hidden_input.val("");var li_data=settings.prePopulate||hidden_input.data("pre");if(settings.processPrePopulate&&$.isFunction(settings.onResult)){li_data=settings.onResult.call(hidden_input,li_data)}if(li_data&&li_data.length){$.each(li_data,function(index,value){insert_token(value.id,value.name)})}function resize_input(){if(input_val===(input_val=input_box.val())){return}var escaped=input_val.replace(/&/g,'&amp;').replace(/\s/g,' ').replace(/</g,'&lt;').replace(/>/g,'&gt;');input_resizer.html(escaped);input_box.width(input_resizer.width()+30)}function is_printable_character(keycode){return((keycode>=48&&keycode<=90)||(keycode>=96&&keycode<=111)||(keycode>=186&&keycode<=192)||(keycode>=219&&keycode<=222))}function insert_token(id,value){var this_token=$("<li><p>"+value+"</p></li>").addClass(settings.classes.token).insertBefore(input_token);$("<span>"+settings.deleteText+"</span>").addClass(settings.classes.tokenDelete).appendTo(this_token).click(function(){delete_token($(this).parent());return false});var token_data={"id":id,"name":value};$.data(this_token.get(0),"tokeninput",token_data);saved_tokens=saved_tokens.slice(0,selected_token_index).concat([token_data]).concat(saved_tokens.slice(selected_token_index));selected_token_index++;var token_ids=$.map(saved_tokens,function(el){return el.id});hidden_input.val(token_ids.join(settings.tokenDelimiter));token_count+=1;return this_token}function add_token(item){var li_data=$.data(item.get(0),"tokeninput");var callback=settings.onAdd;if(token_count>0&&settings.preventDuplicates){var found_existing_token=null;token_list.children().each(function(){var existing_token=$(this);var existing_data=$.data(existing_token.get(0),"tokeninput");if(existing_data&&existing_data.id===li_data.id){found_existing_token=existing_token;return false}});if(found_existing_token){select_token(found_existing_token);input_token.insertAfter(found_existing_token);input_box.focus();return}}insert_token(li_data.id,li_data.name);if(settings.tokenLimit!==null&&token_count>=settings.tokenLimit){input_box.hide();hide_dropdown();return}else{input_box.focus()}input_box.val("");hide_dropdown();if($.isFunction(callback)){callback.call(hidden_input,li_data)}}function select_token(token){token.addClass(settings.classes.selectedToken);selected_token=token.get(0);input_box.val("");hide_dropdown()}function deselect_token(token,position){token.removeClass(settings.classes.selectedToken);selected_token=null;if(position===POSITION.BEFORE){input_token.insertBefore(token);selected_token_index--}else if(position===POSITION.AFTER){input_token.insertAfter(token);selected_token_index++}else{input_token.appendTo(token_list);selected_token_index=token_count}input_box.focus()}function toggle_select_token(token){var previous_selected_token=selected_token;if(selected_token){deselect_token($(selected_token),POSITION.END)}if(previous_selected_token===token.get(0)){deselect_token(token,POSITION.END)}else{select_token(token)}}function delete_token(token){var token_data=$.data(token.get(0),"tokeninput");var callback=settings.onDelete;var index=token.prevAll().length;if(index>selected_token_index)index--;token.remove();selected_token=null;input_box.focus();saved_tokens=saved_tokens.slice(0,index).concat(saved_tokens.slice(index+1));if(index<selected_token_index)selected_token_index--;var token_ids=$.map(saved_tokens,function(el){return el.id});hidden_input.val(token_ids.join(settings.tokenDelimiter));token_count-=1;if(settings.tokenLimit!==null){input_box.show().val("").focus()}if($.isFunction(callback)){callback.call(hidden_input,token_data)}}function hide_dropdown(){dropdown.hide().empty();selected_dropdown_item=null}function show_dropdown(){dropdown.css({position:"absolute",top:$(token_list).offset().top+$(token_list).outerHeight(),left:$(token_list).offset().left,zindex:999}).show()}function show_dropdown_searching(){if(settings.searchingText){dropdown.html("<p>"+settings.searchingText+"</p>");show_dropdown()}}function show_dropdown_hint(){if(settings.hintText){dropdown.html("<p>"+settings.hintText+"</p>");show_dropdown()}}function highlight_term(value,term){return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)("+term+")(?![^<>]*>)(?![^&;]+;)","gi"),"<b>$1</b>")}function populate_dropdown(query,results){if(results&&results.length){dropdown.empty();var dropdown_ul=$("<ul>").appendTo(dropdown).mouseover(function(event){select_dropdown_item($(event.target).closest("li"))}).mousedown(function(event){add_token($(event.target).closest("li"));return false}).hide();$.each(results,function(index,value){var this_li=$("<li>"+highlight_term(value.name,query)+"</li>").appendTo(dropdown_ul);if(index%2){this_li.addClass(settings.classes.dropdownItem)}else{this_li.addClass(settings.classes.dropdownItem2)}if(index===0){select_dropdown_item(this_li)}$.data(this_li.get(0),"tokeninput",{"id":value.id,"name":value.name})});show_dropdown();if(settings.animateDropdown){dropdown_ul.slideDown("fast")}else{dropdown_ul.show()}}else{if(settings.noResultsText){dropdown.html("<p>"+settings.noResultsText+"</p>");show_dropdown()}}}function select_dropdown_item(item){if(item){if(selected_dropdown_item){deselect_dropdown_item($(selected_dropdown_item))}item.addClass(settings.classes.selectedDropdownItem);selected_dropdown_item=item.get(0)}}function deselect_dropdown_item(item){item.removeClass(settings.classes.selectedDropdownItem);selected_dropdown_item=null}function do_search(){var query=input_box.val().toLowerCase();if(query&&query.length){if(selected_token){deselect_token($(selected_token),POSITION.AFTER)}if(query.length>=settings.minChars){show_dropdown_searching();clearTimeout(timeout);timeout=setTimeout(function(){run_search(query)},settings.searchDelay)}else{hide_dropdown()}}}function run_search(query){var cached_results=cache.get(query);if(cached_results){populate_dropdown(query,cached_results)}else{if(settings.url){var ajax_params={};ajax_params.data={};if(settings.url.indexOf("?")>-1){var parts=settings.url.split("?");ajax_params.url=parts[0];var param_array=parts[1].split("&");$.each(param_array,function(index,value){var kv=value.split("=");ajax_params.data[kv[0]]=kv[1]})}else{ajax_params.url=settings.url}ajax_params.data[settings.queryParam]=query;ajax_params.type=settings.method;ajax_params.dataType=settings.contentType;if(settings.crossDomain){ajax_params.dataType="jsonp"}ajax_params.success=function(results){if($.isFunction(settings.onResult)){results=settings.onResult.call(hidden_input,results)}cache.add(query,settings.jsonContainer?results[settings.jsonContainer]:results);if(input_box.val().toLowerCase()===query){populate_dropdown(query,settings.jsonContainer?results[settings.jsonContainer]:results)}};$.ajax(ajax_params)}else if(settings.local_data){if(name!=null){var results=$.grep(settings.local_data,function(row){return row.name.toLowerCase().indexOf(query.toLowerCase())>-1})}if($.isFunction(settings.onResult)){results=settings.onResult.call(hidden_input,results)}cache.add(query,results);populate_dropdown(query,results)}}}};$.TokenList.Cache=function(options){var settings=$.extend({max_size:500},options);var data={};var size=0;var flush=function(){data={};size=0};this.add=function(query,results){if(size>settings.max_size){flush()}if(!data[query]){size+=1}data[query]=results};this.get=function(query){return data[query]}}}(jQuery));