(function(){$.fn.specialselectCombo=function(config){return this.each(function(){if("SELECT"!=this.tagName.toUpperCase()){return;}new $sc(this,config);});};var defaults={skin:"specialselect",suffix:"__specialselectCombo",hiddenSuffix:"__specialselectComboHidden",initialHiddenValue:"",emptyText:"",autoFill:false,triggerSelected:true,filterFn:null,dropUp:false,separator:",",showListCallback:null,hideListCallback:null,initCallback:null,initEventsCallback:null,changeCallback:null,textChangeCallback:null,checkWidth:true};$.specialselectCombo=function(selectbox,config){if(selectbox.tagName.toUpperCase()!="SELECT"){return;}this.config=$.extend({},defaults,config||{});this.selectbox=$(selectbox);this.options=this.selectbox.children().filter("option");this.wrapper=this.selectbox.wrap("<div>"). hide(). parent(). addClass("combo"). addClass(this.config.skin);this.input=$("<input type='text' />"). appendTo(this.wrapper). attr("autocomplete","off"). attr("value",""). attr("name",this.selectbox.attr("name")+this.config.suffix);this.hidden=$("<input type='hidden' />"). appendTo(this.wrapper). attr("autocomplete","off"). attr("value",this.config.initialHiddenValue). attr("name",this.selectbox.attr("name")+this.config.hiddenSuffix);this.icon=$("<div />"). appendTo(this.wrapper). addClass("icon");this.listWrapper=$("<div />"). appendTo(this.wrapper). addClass("list-wrapper");this.updateDrop();this.list=$("<ul />").appendTo(this.listWrapper);var self=this;var optWidths=[];this.options.each(function(){var optionText=$.trim($(this).text());var optionClass=$(this).attr("class");if(self.config.checkWidth){optWidths.push($("<li />"). appendTo(self.list). html("<span>"+optionText+"</span>"). addClass(optionClass). addClass("visible").find("span").outerWidth());}else{$("<li />"). appendTo(self.list). html("<span>"+optionText+"</span>"). addClass("visible");}});this.listItems=this.list.children();if(optWidths.length){optWidths=optWidths.sort(function(a,b){return a-b;});var maxOptionWidth=optWidths[optWidths.length-1];}this.singleItemHeight=this.listItems.outerHeight();this.listWrapper.addClass("invisible");if($.browser.opera){this.wrapper.css({position:"relative",left:"0",top:"0"});}this.filterFn=("function"==typeof(this.config.filterFn))?this.config.filterFn:this.filterFn;this.lastKey=null;this.multiple=this.selectbox.attr("multiple");this.wrapper.data("sc:lastEvent","click");this.overflowCSS="overflowY";if((this.config.checkWidth)&&(this.listWrapper.innerWidth()<maxOptionWidth)){this.overflowCSS="overflow";}this.notify("init");this.initEvents();};var $sc=$.specialselectCombo;$sc.fn=$sc.prototype={};$sc.fn.extend=$sc.extend=$.extend;$sc.fn.extend({initEvents:function(){var self=this;this.icon.bind("click",function(e){if(!self.wrapper.data("sc:positionY")){self.wrapper.data("sc:positionY",e.pageY);}});this.input.bind("click",function(e){if(!self.wrapper.data("sc:positionY")){self.wrapper.data("sc:positionY",e.pageY);}});this.wrapper.bind("click",function(e){if(!self.wrapper.data("sc:positionY")){self.wrapper.data("sc:positionY",e.pageY);}});this.icon.bind("click",function(){if(self.input.attr("disabled")){self.input.attr("disabled",false);}self.wrapper.data("sc:lastEvent","click");self.filter();self.iconClick();});this.listItems.bind("mouseover",function(e){if("LI"==e.target.nodeName.toUpperCase()&&!$(e.target).hasClass("group")){self.highlight(e.target);}else if(!$(e.target).parent().hasClass("group")){self.highlight($(e.target).parent());}});this.listItems.bind("click",function(e){if(!$(e.target).hasClass("group")&&!$(e.target).parent().hasClass("group")){self.listItemClick($(e.target));}});this.input.bind("keyup",function(e){self.wrapper.data("sc:lastEvent","key");self.keyUp(e);});this.input.bind("keypress",function(e){if($sc.KEY.RETURN==e.keyCode){e.preventDefault();}if($sc.KEY.TAB==e.keyCode){e.preventDefault();}});$(document).bind("click",function(e){if((self.icon.get(0)==e.target)||(self.input.get(0)==e.target)){return;}self.hideList();});this.triggerSelected();this.applyEmptyText();this.input.bind("click",function(e){self.wrapper.data("sc:lastEvent","click");self.icon.trigger("click");});this.wrapper.bind("click",function(){self.wrapper.data("sc:lastEvent","click");});this.input.bind("keydown",function(e){if(9==e.keyCode){e.preventDefault();}});this.wrapper.bind("keyup",function(e){var k=e.keyCode;for(key in $sc.KEY){if($sc.KEY[key]==k){return;}}self.wrapper.data("sc:lastEvent","key");});this.input.bind("click",function(){self.wrapper.data("sc:lastEvent","click");});this.icon.bind("click",function(e){if(!self.wrapper.data("sc:positionY")){self.wrapper.data("sc:positionY",e.pageY);}});this.input.bind("click",function(e){if(!self.wrapper.data("sc:positionY")){self.wrapper.data("sc:positionY",e.pageY);}});this.wrapper.bind("click",function(e){if(!self.wrapper.data("sc:positionY")){self.wrapper.data("sc:positionY",e.pageY);}});this.notify("initEvents");},getTextValue:function(){return this.__getValue("input");},getCurrentTextValue:function(){return this.__getCurrentValue("input");},getHiddenValue:function(){return this.__getValue("hidden");},getCurrentHiddenValue:function(){return this.__getCurrentValue("hidden");},__getValue:function(prop){prop=this[prop];if(!this.multiple){return $.trim(prop.val());}var tmpVals=prop.val().split(this.config.separator);var vals=[];for(var i=0,len=tmpVals.length;i<len;++i){vals.push($.trim(tmpVals[i]));}vals=$sc.normalizeArray(vals);return vals;},__getCurrentValue:function(prop){prop=this[prop];if(!this.multiple){return $.trim(prop.val());}return $.trim(prop.val().split(this.config.separator).pop());},iconClick:function(){if(this.listVisible()){this.hideList();this.input.blur();}else{this.showList();this.input.focus();if(this.input.val().length){this.selection(this.input.get(0),0,this.input.val().length);}}},listVisible:function(){return this.listWrapper.hasClass("visible");},showList:function(){if(!this.listItems.filter(".visible").length){return;}this.listWrapper.removeClass("invisible"). addClass("visible");this.wrapper.css("zIndex","9999");this.listWrapper.css("zIndex","9999");this.setListHeight();var listHeight=200;var inputHeight=200;var bottomPos=parseInt(this.wrapper.data("sc:positionY"))+inputHeight+listHeight;var maxShown=$(window).height()+$(document).scrollTop();if(bottomPos>maxShown){this.setDropUp(true);}else{this.setDropUp(false);}if(""===$.trim(this.input.val())){this.highlightFirst();this.listWrapper.scrollTop(0);}else{this.highlightSelected();}this.notify("showList");},hideList:function(){if(this.listWrapper.hasClass("invisible")){return;}this.listWrapper.removeClass("visible"). addClass("invisible");this.wrapper.css("zIndex","0");this.listWrapper.css("zIndex","99999");this.notify("hideList");},getListItemsHeight:function(){var itemHeight=this.singleItemHeight;return itemHeight*this.liLen();},setOverflow:function(){var maxHeight=this.getListMaxHeight();if(this.getListItemsHeight()>maxHeight){this.listWrapper.css(this.overflowCSS,"scroll");}else{this.listWrapper.css(this.overflowCSS,"hidden");}},highlight:function(activeItem){if(($sc.KEY.DOWN==this.lastKey)||($sc.KEY.UP==this.lastKey)){return;}this.listItems.removeClass("active");$(activeItem).addClass("active");},setComboValue:function(val,pop,hideList){var oldVal=this.input.val();var v="";if(this.multiple){v=this.getTextValue();if(pop){v.pop();}v.push($.trim(val));v=$sc.normalizeArray(v);v=v.join(this.config.separator)+this.config.separator;}else{v=$.trim(val);}this.input.val(v);this.setHiddenValue(val);this.filter();if(hideList){this.hideList();}this.input.removeClass("empty");if(this.multiple){this.input.focus();}if(this.input.val()!=oldVal){this.notify("textChange");}},setHiddenValue:function(val){var set=false;val=$.trim(val);var oldVal=this.hidden.val();if(!this.multiple){for(var i=0,len=this.options.length;i<len;++i){if(val==this.options.eq(i).text()){this.hidden.val(this.options.eq(i).val());set=true;break;}}}else{var comboVals=this.getTextValue();var hiddenVals=[];for(var j=0,len=comboVals.length;j<len;++j){for(var k=0,len1=this.options.length;k<len1;++k){if(comboVals[j]==this.options.eq(k).text()){hiddenVals.push(this.options.eq(k).val());}}}if(hiddenVals.length){set=true;this.hidden.val(hiddenVals.join(this.config.separator));}}if(!set){this.hidden.val(this.config.initialHiddenValue);}if(oldVal!=this.hidden.val()){this.notify("change");}this.selectbox.val(this.hidden.val());this.selectbox.trigger("change");},listItemClick:function(item){this.setComboValue(item.text(),true,true);this.inputFocus();},filter:function(){if("yes"==this.wrapper.data("sc:optionsChanged")){var self=this;this.listItems.remove();this.options=this.selectbox.children().filter("option");this.options.each(function(){var optionText=$.trim($(this).text());$("<li />"). appendTo(self.list). text(optionText). addClass("visible");});this.listItems=this.list.children();this.listItems.bind("mouseover",function(e){self.highlight(e.target);});this.listItems.bind("click",function(e){self.listItemClick($(e.target));});self.wrapper.data("sc:optionsChanged","");}var comboValue=this.input.val();var self=this;this.listItems.each(function(){var $this=$(this);var itemValue=$this.text();if(self.filterFn.call(self,self.getCurrentTextValue(),itemValue,self.getTextValue())){$this.removeClass("invisible"). addClass("visible");}else{$this.removeClass("visible"). addClass("invisible");}});this.setOverflow();this.setListHeight();},filterFn:function(currentComboValue,itemValue,allComboValues){if("click"==this.wrapper.data("sc:lastEvent")){return true;}if(!this.multiple){return itemValue.toLowerCase().indexOf(currentComboValue.toLowerCase())===0;}else{for(var i=0,len=allComboValues.length;i<len;++i){if(itemValue==allComboValues[i]){return false;}}return itemValue.toLowerCase().search(currentComboValue.toLowerCase())===0;}},getListMaxHeight:function(){var result=parseInt(this.listWrapper.css("maxHeight"),10);if(isNaN(result)){result=this.singleItemHeight*10;}return result;},setListHeight:function(){var liHeight=this.getListItemsHeight();var maxHeight=this.getListMaxHeight();var listHeight=this.listWrapper.height();if(liHeight<listHeight){this.listWrapper.height(liHeight);return liHeight;}else if(liHeight>listHeight){this.listWrapper.height(Math.min(maxHeight,liHeight));return Math.min(maxHeight,liHeight);}},getActive:function(){return this.listItems.filter(".active");},keyUp:function(e){this.lastKey=e.keyCode;var k=$sc.KEY;switch(e.keyCode){case k.RETURN:case k.TAB:this.setComboValue(this.getActive().text(),true,true);if(!this.multiple){this.input.blur();}break;case k.DOWN:this.highlightNext();break;case k.UP:this.highlightPrev();break;case k.ESC:this.hideList();break;default:this.inputChanged();break;}},liLen:function(){return this.listItems.filter(".visible").length;},inputChanged:function(){this.filter();if(this.liLen()){this.showList();this.setOverflow();this.setListHeight();}else{this.hideList();}this.setHiddenValue(this.input.val());this.notify("textChange");},highlightFirst:function(){this.listItems.removeClass("active").filter(".visible:eq(0)").addClass("active");this.autoFill();},highlightSelected:function(){this.listItems.removeClass("active");var val=$.trim(this.input.val());try{this.listItems.each(function(){var $this=$(this);if($this.text()==val){$this.addClass("active");self.listWrapper.scrollTop(0);self.scrollDown();}});}catch(e){}},highlightNext:function(){var $next=this.getActive().next();while($next.hasClass("invisible")&&$next.length){$next=$next.next();}if($next.length){this.listItems.removeClass("active");$next.addClass("active");this.scrollDown();}},scrollDown:function(){if("scroll"!=this.listWrapper.css(this.overflowCSS)){return;}var beforeActive=this.getActiveIndex()+1;var minScroll=this.listItems.outerHeight()*beforeActive-this.listWrapper.height();if($.browser.msie){minScroll+=beforeActive;}if(this.listWrapper.scrollTop()<minScroll){this.listWrapper.scrollTop(minScroll);}},highlightPrev:function(){var $prev=this.getActive().prev();while($prev.length&&$prev.hasClass("invisible")){$prev=$prev.prev();}if($prev.length){this.getActive().removeClass("active");$prev.addClass("active");this.scrollUp();}},getActiveIndex:function(){return $.inArray(this.getActive().get(0),this.listItems.filter(".visible").get());},scrollUp:function(){if("scroll"!=this.listWrapper.css(this.overflowCSS)){return;}var maxScroll=this.getActiveIndex()*this.listItems.outerHeight();if(this.listWrapper.scrollTop()>maxScroll){this.listWrapper.scrollTop(maxScroll);}},applyEmptyText:function(){if(!this.config.emptyText.length){return;}var self=this;this.input.bind("focus",function(){self.inputFocus();}). bind("blur",function(){self.inputBlur();});if(""===this.input.val()){this.input.addClass("empty").val(this.config.emptyText);}},inputFocus:function(){if(this.input.hasClass("empty")){this.input.removeClass("empty"). val("");}},inputBlur:function(){if(""===this.input.val()){this.input.addClass("empty"). val(this.config.emptyText);}},triggerSelected:function(){if(!this.config.triggerSelected){return;}var self=this;try{this.options.each(function(){if($(this).attr("selected")){self.setComboValue($(this).text(),false,true);throw new Exception();}});}catch(e){return;}self.setComboValue(this.options.eq(0).text(),false,false);},autoFill:function(){if(!this.config.autoFill||($sc.KEY.BACKSPACE==this.lastKey)||this.multiple){return;}var curVal=this.input.val();var newVal=this.getActive().text();this.input.val(newVal);this.selection(this.input.get(0),curVal.length,newVal.length);},selection:function(field,start,end){if(field.createTextRange){var selRange=field.createTextRange();selRange.collapse(true);selRange.moveStart("character",start);selRange.moveEnd("character",end);selRange.select();}else if(field.setSelectionRange){field.setSelectionRange(start,end);}else{if(field.selectionStart){field.selectionStart=start;field.selectionEnd=end;}}},updateDrop:function(){if(this.config.dropUp){this.listWrapper.addClass("list-wrapper-up");}else{this.listWrapper.removeClass("list-wrapper-up");}},setDropUp:function(drop){this.config.dropUp=drop;this.updateDrop();},notify:function(evt){if(!$.isFunction(this.config[evt+"Callback"])){return;}this.config[evt+"Callback"].call(this);}});$sc.extend({KEY:{UP:38,DOWN:40,DEL:46,TAB:9,RETURN:13,ESC:27,COMMA:188,PAGEUP:33,PAGEDOWN:34,BACKSPACE:8},log:function(msg){var $log=$("#log");$log.html($log.html()+msg+"<br />");},createSelectbox:function(config){var $selectbox=$("<select />"). appendTo(config.container). attr({name:config.name,id:config.id,size:"1"});if(config.multiple){$selectbox.attr("multiple",true);}var data=config.data;var selected=false;for(var i=0,len=data.length;i<len;++i){selected=data[i].selected||false;$("<option />").appendTo($selectbox). attr("value",data[i].value). text(data[i].text). attr("selected",selected);}return $selectbox.get(0);},create:function(config){var defaults={name:"",id:"",data:[],multiple:false,container:$(document),url:"",ajaxData:{}};config=$.extend({},defaults,config||{});if(config.url){return $.getJSON(config.url,config.ajaxData,function(data){delete config.url;delete config.ajaxData;config.data=data;return $sc.create(config);});}config.container=$(config.container);var selectbox=$sc.createSelectbox(config);return new $sc(selectbox,config);},deactivate:function($select){$select=$($select);$select.each(function(){if("SELECT"!=this.tagName.toUpperCase()){return;}var $this=$(this);if(!$this.parent().is(".combo")){return;}});},activate:function($select){$select=$($select);$select.each(function(){if("SELECT"!=this.tagName.toUpperCase()){return;}var $this=$(this);if(!$this.parent().is(".combo")){return;}$this.parent().find("input[type='text']").attr("disabled",false);});},changeOptions:function($select){$select=$($select);$select.each(function(){if("SELECT"!=this.tagName.toUpperCase()){return;}var $this=$(this);var $wrapper=$this.parent();var $input=$wrapper.find("input[type='text']");var $listWrapper=$wrapper.find("ul").parent();$listWrapper.removeClass("visible"). addClass("invisible");$wrapper.css("zIndex","0");$listWrapper.css("zIndex","99999");$input.val("");$wrapper.data("sc:optionsChanged","yes");var $selectbox=$this;$selectbox.parent().find("input[type='text']").val($selectbox.find("option:eq(0)").text());$selectbox.parent().data("sc:lastEvent","click");$selectbox.find("option:eq(0)").attr('selected','selected');});},normalizeArray:function(arr){var result=[];for(var i=0,len=arr.length;i<len;++i){if(""===arr[i]){continue;}result.push(arr[i]);}return result;}});})(jQuery);