/*
 * AutoSuggest
 * Copyright 2009-2010 Drew Wilson
 * www.drewwilson.com
 * code.drewwilson.com/entry/autosuggest-jquery-plugin
 *
 * Version 1.4   -   Updated: Mar. 23, 2010
 *
 * This Plug-In will auto-complete or auto-suggest completed search queries
 * for you as you type. You can add multiple selections and remove them on
 * the fly. It supports keybord navigation (UP + DOWN + RETURN), as well
 * as multiple AutoSuggest fields on the same page.
 *
 * Inspied by the Autocomplete plugin by: Jšrn Zaefferer
 * and the Facelist plugin by: Ian Tearle (iantearle.com)
 *
 * This AutoSuggest jQuery plug-in is dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */
(function($){$.fn.autoSuggest=function(data,options){var defaults={asHtmlID:'keywords',startText:"Search Here",emptyText:"No Results Found",preFill:{},limitText:"Selection Limit Reached",selectedItemProp:"name",selectedValuesProp:"name",searchObjProps:"name,value",queryParam:"q",retrieveLimit:20,extraParams:"",matchCase:false,minChars:3,keyDelay:420,resultsHighlight:true,neverSubmit:false,selectionLimit:2,showResultList:true,start:function(){},selectionClick:function(elem){},selectionAdded:function(elem){},selectionRemoved:function(elem){elem.remove()},formatList:false,beforeRetrieve:function(string){return string},retrieveComplete:function(data){return data},resultClick:function(data){},resultsComplete:function(){}};var opts=$.extend(defaults,options);var d_type="object";var d_count=0;if(typeof data=="string"){d_type="string";var req_string=data}else{var org_data=data;for(k in data)if(data.hasOwnProperty(k))d_count++}if((d_type=="object"&&d_count>0)||d_type=="string"){return this.each(function(x){if(!opts.asHtmlID){x=x+""+Math.floor(Math.random()*100);var x_id="as-input-"+x}else{x=opts.asHtmlID;var x_id=x}opts.start.call(this);var input=$(this);input.attr("autocomplete","off").addClass("as-input").attr("id",x_id).val(opts.startText);var input_focus=false;input.wrap('<ul class="as-selections" id="as-selections-'+x+'"></ul>').wrap('<li class="as-original" id="as-original-'+x+'"></li>');var selections_holder=$("#as-selections-"+x);var org_li=$("#as-original-"+x);var results_holder=$('<div class="as-results" id="as-results-'+x+'"></div>').hide();var results_ul=$('<ul class="as-list"></ul>');var values_input=$('<input type="hidden" class="as-values" name="as_values_'+x+'" id="as-values-'+x+'" />');var prefill_value="";if(typeof opts.preFill=="string"){var vals=opts.preFill.split(",");for(var i=0;i<vals.length;i++){var v_data={};v_data[opts.selectedValuesProp]=vals[i];if(vals[i]!=""){add_selected_item(v_data,"000"+i)}}prefill_value=opts.preFill}else{prefill_value="";var prefill_count=0;for(k in opts.preFill)if(opts.preFill.hasOwnProperty(k))prefill_count++;if(prefill_count>0){for(var i=0;i<prefill_count;i++){var new_v=opts.preFill[i][opts.selectedValuesProp];if(new_v==undefined){new_v=""}prefill_value=prefill_value+new_v+",";if(new_v!=""){add_selected_item(opts.preFill[i],"000"+i)}}}}if(prefill_value!=""){input.val("");var lastChar=prefill_value.substring(prefill_value.length-1);if(lastChar!=","){prefill_value=prefill_value+","}values_input.val(","+prefill_value);$("li.as-selection-item",selections_holder).addClass("blur").removeClass("selected")}input.after(values_input);selections_holder.click(function(){input_focus=true;input.focus()}).mousedown(function(){input_focus=false}).after(results_holder);var timeout=null;var prev="";var totalSelections=0;var tab_press=false;input.focus(function(){if($(this).val()==opts.startText&&values_input.val()==""){$(this).val("")}else if(input_focus){$("li.as-selection-item",selections_holder).removeClass("blur");if($(this).val()!=""){results_ul.css("width",selections_holder.outerWidth());results_holder.show()}}input_focus=true;return true}).blur(function(){if($(this).val()==""&&values_input.val()==""&&prefill_value==""){$(this).val(opts.startText)}else if(input_focus){$("li.as-selection-item",selections_holder).addClass("blur").removeClass("selected");results_holder.hide()}}).keydown(function(e){lastKeyPressCode=e.keyCode;first_focus=false;switch(e.keyCode){case 38:e.preventDefault();moveSelection("up");break;case 40:e.preventDefault();moveSelection("down");break;case 8:if(input.val()==""){var last=values_input.val().split(",");last=last[last.length-2];selections_holder.children().not(org_li.prev()).removeClass("selected");if(org_li.prev().hasClass("selected")){values_input.val(values_input.val().replace(","+last+",",","));opts.selectionRemoved.call(this,org_li.prev())}else{opts.selectionClick.call(this,org_li.prev());org_li.prev().addClass("selected")}}if(input.val().length==1){results_holder.hide();prev=""}if($(":visible",results_holder).length>0){if(timeout){clearTimeout(timeout)}timeout=setTimeout(function(){keyChange()},opts.keyDelay)}break;case 9:case 188:tab_press=true;var i_input=input.val().replace(/(,)/g,"");if(i_input!=""&&values_input.val().search(","+i_input+",")<0&&i_input.length>=opts.minChars){e.preventDefault();var n_data={};n_data[opts.selectedItemProp]=i_input;n_data[opts.selectedValuesProp]=i_input;var lis=$("li",selections_holder).length;add_selected_item(n_data,"00"+(lis+1));input.val("")}case 13:tab_press=false;var active=$("li.active:first",results_holder);if(active.length>0){active.click();results_holder.hide()}if(opts.neverSubmit||active.length>0){e.preventDefault()}break;default:if(opts.showResultList){if(opts.selectionLimit&&$("li.as-selection-item",selections_holder).length>=opts.selectionLimit){results_ul.html('<li class="as-message">'+opts.limitText+'</li>');results_holder.show()}else{if(timeout){clearTimeout(timeout)}timeout=setTimeout(function(){keyChange()},opts.keyDelay)}}break}});function keyChange(){if(lastKeyPressCode==46||(lastKeyPressCode>8&&lastKeyPressCode<32)){return results_holder.hide()}var string=input.val().replace(/[\\]+|[\/]+/g,"");if(string==prev)return;prev=string;if(string.length>=opts.minChars){selections_holder.addClass("loading");if(d_type=="string"){var limit="";if(opts.retrieveLimit){limit="&limit="+encodeURIComponent(opts.retrieveLimit)}if(opts.beforeRetrieve){string=opts.beforeRetrieve.call(this,string)}$.getJSON(req_string+"?"+opts.queryParam+"="+encodeURIComponent(string)+limit+opts.extraParams,function(data){d_count=0;var new_data=opts.retrieveComplete.call(this,data);for(k in new_data)if(new_data.hasOwnProperty(k))d_count++;processData(new_data,string)})}else{if(opts.beforeRetrieve){string=opts.beforeRetrieve.call(this,string)}processData(org_data,string)}}else{selections_holder.removeClass("loading");results_holder.hide()}}var num_count=0;function processData(data,query){if(!opts.matchCase){query=query.toLowerCase()}var matchCount=0;results_holder.html(results_ul.html("")).hide();for(var i=0;i<d_count;i++){var num=i;num_count++;var forward=false;if(opts.searchObjProps=="value"){var str=data[num].value}else{var str="";var names=opts.searchObjProps.split(",");for(var y=0;y<names.length;y++){var name=$.trim(names[y]);str=str+data[num][name]+" "}}if(str){if(!opts.matchCase){str=str.toLowerCase()}if(str.search(query)!=-1&&values_input.val().search(","+data[num][opts.selectedValuesProp]+",")==-1){forward=true}}if(forward){var formatted=$('<li class="as-result-item" id="as-result-item-'+num+'"></li>').click(function(){var raw_data=$(this).data("data");var number=raw_data.num;if($("#as-selection-"+number,selections_holder).length<=0&&!tab_press){var data=raw_data.attributes;input.val("").focus();prev="";add_selected_item(data,number);opts.resultClick.call(this,raw_data);results_holder.hide()}tab_press=false}).mousedown(function(){input_focus=false}).mouseover(function(){$("li",results_ul).removeClass("active");$(this).addClass("active")}).data("data",{attributes:data[num],num:num_count});var this_data=$.extend({},data[num]);if(!opts.matchCase){var regx=new RegExp("(?![^&;]+;)(?!<[^<>]*)("+query+")(?![^<>]*>)(?![^&;]+;)","gi")}else{var regx=new RegExp("(?![^&;]+;)(?!<[^<>]*)("+query+")(?![^<>]*>)(?![^&;]+;)","g")}if(opts.resultsHighlight){this_data[opts.selectedItemProp]=this_data[opts.selectedItemProp].replace(regx,"<em>$1</em>")}if(!opts.formatList){formatted=formatted.html(this_data[opts.selectedItemProp])}else{formatted=opts.formatList.call(this,this_data,formatted)}results_ul.append(formatted);delete this_data;matchCount++;if(opts.retrieveLimit&&opts.retrieveLimit==matchCount){break}}}selections_holder.removeClass("loading");if(matchCount<=0){results_ul.html('<li class="as-message">'+opts.emptyText+'</li>')}results_ul.css("width",selections_holder.outerWidth());results_holder.show();opts.resultsComplete.call(this)}function add_selected_item(data,num){values_input.val(values_input.val()+data[opts.selectedValuesProp]+",");var item=$('<li class="as-selection-item" id="as-selection-'+num+'"></li>').click(function(){opts.selectionClick.call(this,$(this));selections_holder.children().removeClass("selected");$(this).addClass("selected")}).mousedown(function(){input_focus=false});var close=$('<a class="as-close">&times;</a>').click(function(){values_input.val(values_input.val().replace(","+data[opts.selectedValuesProp]+",",","));opts.selectionRemoved.call(this,item);input_focus=true;input.focus();return false});org_li.before(item.html(data[opts.selectedItemProp]).prepend(close));opts.selectionAdded.call(this,org_li.prev())}function moveSelection(direction){if($(":visible",results_holder).length>0){var lis=$("li",results_holder);if(direction=="down"){var start=lis.eq(0)}else{var start=lis.filter(":last")}var active=$("li.active:first",results_holder);if(active.length>0){if(direction=="down"){start=active.next()}else{start=active.prev()}}lis.removeClass("active");start.addClass("active")}}})}}})(jQuery);