!function(factory){"use strict";"function"==typeof define&&define.amd?define(["jquery"],factory):factory("object"==typeof exports&&"function"==typeof require?require("jquery"):jQuery)}(function($,undefined){function Plugin(element,options){this._name=pluginName,this.el=element,this.$el=$(element),this.$el.prop("multiple")||(this.settings=$.extend({},defaults,options,this.$el.data()),this._defaults=defaults,this.$options=this.$el.find("option, optgroup"),this.init(),$.fn[pluginName].instances.push(this))}var pluginName="comboSelect",dataKey="comboselect",defaults={comboClass:"combo-select",comboArrowClass:"combo-arrow",comboDropDownClass:"combo-dropdown",inputClass:"combo-input text-input",disabledClass:"option-disabled",hoverClass:"option-hover",selectedClass:"option-selected",markerClass:"combo-marker",themeClass:"",maxHeight:200,extendStyle:!0,focusInput:!0},keys={ESC:27,TAB:9,RETURN:13,LEFT:37,UP:38,RIGHT:39,DOWN:40,ENTER:13,SHIFT:16},isMobile=/android|webos|iphone|ipad|ipod|blackberry|iemobile|opera mini/i.test(navigator.userAgent.toLowerCase());$.extend(Plugin.prototype,{init:function(){this._construct(),this._events()},_construct:function(){var self=this;this.$el.data("plugin_"+dataKey+"_tabindex",this.$el.prop("tabindex")),!isMobile&&this.$el.prop("tabIndex",-1),this.$container=this.$el.wrapAll('<div class="'+this.settings.comboClass+" "+this.settings.themeClass+'" />').parent(),this.settings.extendStyle&&this.$el.attr("style")&&this.$container.attr("style",this.$el.attr("style")),this.$arrow=$('<div class="'+this.settings.comboArrowClass+'" />').appendTo(this.$container),this.$dropdown=$('<ul class="'+this.settings.comboDropDownClass+'" />').appendTo(this.$container);var o="",k=0,p="";this.selectedIndex=this.$el.prop("selectedIndex"),this.$options.each(function(i,e){return"optgroup"==e.nodeName.toLowerCase()?o+='<li class="option-group">'+this.label+"</li>":(e.value||(p=e.innerHTML),o+='<li class="'+(this.disabled?self.settings.disabledClass:"option-item")+" "+(k==self.selectedIndex?self.settings.selectedClass:"")+'" data-index="'+k+'" data-value="'+this.value+'">'+this.innerHTML+"</li>",void k++)}),this.$dropdown.html(o),this.$items=this.$dropdown.children(),this.$input=$('<input type="text"'+(isMobile?'tabindex="-1"':"")+' placeholder="'+p+'" class="'+this.settings.inputClass+'">').appendTo(this.$container),this._updateInput()},_events:function(){this.$container.on("focus.input","input",$.proxy(this._focus,this)),this.$container.on("mouseup.input","input",function(e){e.preventDefault()}),this.$container.on("blur.input","input",$.proxy(this._blur,this)),this.$el.on("change.select",$.proxy(this._change,this)),this.$el.on("focus.select",$.proxy(this._focus,this)),this.$el.on("blur.select",$.proxy(this._blurSelect,this)),this.$container.on("click.arrow","."+this.settings.comboArrowClass,$.proxy(this._toggle,this)),this.$container.on("comboselect:close",$.proxy(this._close,this)),this.$container.on("comboselect:open",$.proxy(this._open,this)),$("html").off("click.comboselect").on("click.comboselect",function(){$.each($.fn[pluginName].instances,function(i,plugin){plugin.$container.trigger("comboselect:close")})}),this.$container.on("click.comboselect",function(e){e.stopPropagation()}),this.$container.on("keydown","input",$.proxy(this._keydown,this)),this.$container.on("keyup","input",$.proxy(this._keyup,this)),this.$container.on("click.item",".option-item",$.proxy(this._select,this))},_keydown:function(event){switch(event.which){case keys.UP:this._move("up",event);break;case keys.DOWN:this._move("down",event);break;case keys.TAB:this._enter(event);break;case keys.RIGHT:this._autofill(event);break;case keys.ENTER:this._enter(event)}},_keyup:function(event){switch(event.which){case keys.ESC:this.$container.trigger("comboselect:close");break;case keys.ENTER:case keys.UP:case keys.DOWN:case keys.LEFT:case keys.RIGHT:case keys.TAB:case keys.SHIFT:break;default:this._filter(event.target.value)}},_enter:function(event){var item=this._getHovered();if(item.length&&this._select(item),event&&event.which==keys.ENTER){if(!item.length)return this._blur(),!0;event.preventDefault()}},_move:function(dir){var items=this._getVisible(),current=this._getHovered(),index=current.prevAll(".option-item").filter(":visible").length,total=items.length;switch(dir){case"up":index--,index<0&&(index=total-1);break;case"down":index++,index>=total&&(index=0)}items.removeClass(this.settings.hoverClass).eq(index).addClass(this.settings.hoverClass),this.opened||this.$container.trigger("comboselect:open"),this._fixScroll()},_select:function(event){var item=$(event.currentTarget?event.currentTarget:event);if(item.length){var index=item.data("index");this._selectByIndex(index),this.$container.trigger("comboselect:close")}},_selectByIndex:function(index){"undefined"==typeof index&&(index=0),this.$el.prop("selectedIndex")!=index&&this.$el.prop("selectedIndex",index).trigger("change")},_autofill:function(){var item=this._getHovered();if(item.length){var index=item.data("index");this._selectByIndex(index)}},_filter:function(search){var self=this,items=this._getAll();needle=$.trim(search).toLowerCase(),reEscape=new RegExp("(\\"+["/",".","*","+","?","|","(",")","[","]","{","}","\\"].join("|\\")+")","g"),pattern="("+search.replace(reEscape,"\\$1")+")",$("."+self.settings.markerClass,items).contents().unwrap(),needle?(this.$items.filter(".option-group, .option-disabled").hide(),items.hide().filter(function(){var $this=$(this),text=$.trim($this.text()).toLowerCase();if(text.toString().indexOf(needle)!=-1)return $this.html(function(index,oldhtml){return oldhtml.replace(new RegExp(pattern,"gi"),'<span class="'+self.settings.markerClass+'">$1</span>')}),!0}).show()):this.$items.show(),this.$container.trigger("comboselect:open")},_highlight:function(){var visible=this._getVisible().removeClass(this.settings.hoverClass),$selected=visible.filter("."+this.settings.selectedClass);$selected.length?$selected.addClass(this.settings.hoverClass):visible.removeClass(this.settings.hoverClass).first().addClass(this.settings.hoverClass)},_updateInput:function(){var selected=this.$el.prop("selectedIndex");return this.$el.val()?(text=this.$el.find("option").eq(selected).text(),this.$input.val(text)):this.$input.val(""),this._getAll().removeClass(this.settings.selectedClass).filter(function(){return $(this).data("index")==selected}).addClass(this.settings.selectedClass)},_blurSelect:function(){this.$container.removeClass("combo-focus")},_focus:function(event){this.$container.toggleClass("combo-focus",!this.opened),isMobile||(this.opened||this.$container.trigger("comboselect:open"),this.settings.focusInput&&event&&event.currentTarget&&"INPUT"==event.currentTarget.nodeName&&event.currentTarget.select())},_blur:function(){var val=$.trim(this.$input.val().toLowerCase()),isNumber=!isNaN(val),index=this.$options.filter(function(){return isNumber?parseInt($.trim(this.innerHTML).toLowerCase())==val:$.trim(this.innerHTML).toLowerCase()==val}).prop("index");this._selectByIndex(index)},_change:function(){this._updateInput()},_getAll:function(){return this.$items.filter(".option-item")},_getVisible:function(){return this.$items.filter(".option-item").filter(":visible")},_getHovered:function(){return this._getVisible().filter("."+this.settings.hoverClass)},_open:function(){var self=this;this.$container.addClass("combo-open"),this.opened=!0,this.settings.focusInput&&setTimeout(function(){!self.$input.is(":focus")&&self.$input.focus()}),this._highlight(),this._fixScroll(),$.each($.fn[pluginName].instances,function(i,plugin){plugin!=self&&plugin.opened&&plugin.$container.trigger("comboselect:close")})},_toggle:function(){this.opened?this._close.call(this):this._open.call(this)},_close:function(){this.$container.removeClass("combo-open combo-focus"),this.$container.trigger("comboselect:closed"),this.opened=!1,this.$items.show()},_fixScroll:function(){if(!this.$dropdown.is(":hidden")){var item=this._getHovered();if(item.length){var offsetTop,upperBound,lowerBound,heightDelta=item.outerHeight();offsetTop=item[0].offsetTop,upperBound=this.$dropdown.scrollTop(),lowerBound=upperBound+this.settings.maxHeight-heightDelta,offsetTop<upperBound?this.$dropdown.scrollTop(offsetTop):offsetTop>lowerBound&&this.$dropdown.scrollTop(offsetTop-this.settings.maxHeight+heightDelta)}}},dispose:function(){this.$arrow.remove(),this.$input.remove(),this.$dropdown.remove(),this.$el.removeAttr("tabindex"),this.$el.data("plugin_"+dataKey+"_tabindex")&&this.$el.prop("tabindex",this.$el.data("plugin_"+dataKey+"_tabindex")),this.$el.unwrap(),this.$el.removeData("plugin_"+dataKey),this.$el.removeData("plugin_"+dataKey+"_tabindex"),this.$el.off("change.select focus.select blur.select")}}),$.fn[pluginName]=function(options,args){return this.each(function(){var $e=$(this),instance=$e.data("plugin_"+dataKey);"string"==typeof options?instance&&"function"==typeof instance[options]&&instance[options](args):(instance&&instance.dispose&&instance.dispose(),$.data(this,"plugin_"+dataKey,new Plugin(this,options)))}),this},$.fn[pluginName].instances=[]});