(function($){function EasyDropDown(){this.isField=true,this.down=false,this.inFocus=false,this.disabled=false,this.cutOff=false,this.hasLabel=false,this.keyboardMode=false,this.nativeTouch=true,this.wrapperClass='dropdown',this.onChange=null;};EasyDropDown.prototype={constructor:EasyDropDown,instances:[],init:function(domNode,settings){var self=this;$.extend(self,settings);self.$select=$(domNode);self.id=domNode.id;self.options=[];self.$options=self.$select.find('option');self.isTouch='ontouchend'in document;self.$select.removeClass(self.wrapperClass+' dropdown');if(self.$select.is(':disabled')){self.disabled=true;};if(self.$options.length){self.$options.each(function(i){var $option=$(this);if($option.is(':selected')){self.selected={index:i,title:$option.text()}
self.focusIndex=i;};if($option.hasClass('label')&&i==0){self.hasLabel=true;self.label=$option.text();$option.attr('value','');}else{self.options.push({domNode:$option[0],title:$option.text(),value:$option.val(),selected:$option.is(':selected')});};});if(!self.selected){self.selected={index:0,title:self.$options.eq(0).text()}
self.focusIndex=0;};self.render();};},render:function(){var self=this,touchClass=self.isTouch&&self.nativeTouch?' touch':'',disabledClass=self.disabled?' disabled':'';self.$container=self.$select.wrap('<div class="'+self.wrapperClass+touchClass+disabledClass+'"><span class="old"/></div>').parent().parent();self.$active=$('<span class="selected">'+self.selected.title+'</span>').appendTo(self.$container);self.$carat=$('<span class="carat"/>').appendTo(self.$container);self.$scrollWrapper=$('<div><ul/></div>').appendTo(self.$container);self.$dropDown=self.$scrollWrapper.find('ul');self.$form=self.$container.closest('form');$.each(self.options,function(){var option=this,active=option.selected?' class="active"':'';self.$dropDown.append('<li'+active+'>'+option.title+'</li>');});self.$items=self.$dropDown.find('li');self.maxHeight=0;if(self.cutOff&&self.$items.length>self.cutOff)self.$container.addClass('scrollable');for(i=0;i<self.$items.length;i++){var $item=self.$items.eq(i);self.maxHeight+=$item.outerHeight();if(self.cutOff==i+1){break;};};if(self.isTouch&&self.nativeTouch){self.bindTouchHandlers();}else{self.bindHandlers();};},bindTouchHandlers:function(){var self=this;self.$container.on('click.easyDropDown',function(){self.$select.focus();});self.$select.on({change:function(){var $selected=$(this).find('option:selected'),title=$selected.text(),value=$selected.val();self.$active.text(title);if(typeof self.onChange==='function'){self.onChange.call(self.$select[0],{title:title,value:value});};},focus:function(){self.$container.addClass('focus');},blur:function(){self.$container.removeClass('focus');}});},bindHandlers:function(){var self=this;self.query='';self.$container.on({'click.easyDropDown':function(){if(!self.down&&!self.disabled){self.open();}else{self.close();};},'mousemove.easyDropDown':function(){if(self.keyboardMode){self.keyboardMode=false;};}});$('body').on('click.easyDropDown.'+self.id,function(e){var $target=$(e.target),classNames=self.wrapperClass.split(' ').join('.');if(!$target.closest('.'+classNames).length&&self.down){self.close();};});self.$items.on({'click.easyDropDown':function(){var index=$(this).index();self.select(index);self.$select.focus();},'mouseover.easyDropDown':function(){if(!self.keyboardMode){var $t=$(this);$t.addClass('focus').siblings().removeClass('focus');self.focusIndex=$t.index();};},'mouseout.easyDropDown':function(){if(!self.keyboardMode){$(this).removeClass('focus');};}});self.$select.on({'focus.easyDropDown':function(){self.$container.addClass('focus');self.inFocus=true;},'blur.easyDropDown':function(){self.$container.removeClass('focus');self.inFocus=false;},'keydown.easyDropDown':function(e){if(self.inFocus){self.keyboardMode=true;var key=e.keyCode;if(key==38||key==40||key==32){e.preventDefault();if(key==38){self.focusIndex--
self.focusIndex=self.focusIndex<0?self.$items.length-1:self.focusIndex;}else if(key==40){self.focusIndex++
self.focusIndex=self.focusIndex>self.$items.length-1?0:self.focusIndex;};if(!self.down){self.open();};self.$items.removeClass('focus').eq(self.focusIndex).addClass('focus');if(self.cutOff){self.scrollToView();};self.query='';};if(self.down){if(key==9||key==27){self.close();}else if(key==13){e.preventDefault();self.select(self.focusIndex);self.close();return false;}else if(key==8){e.preventDefault();self.query=self.query.slice(0,-1);self.search();clearTimeout(self.resetQuery);return false;}else if(key!=38&&key!=40){var letter=String.fromCharCode(key);self.query+=letter;self.search();clearTimeout(self.resetQuery);};};};},'keyup.easyDropDown':function(){self.resetQuery=setTimeout(function(){self.query='';},1200);}});self.$dropDown.on('scroll.easyDropDown',function(e){if(self.$dropDown[0].scrollTop>=self.$dropDown[0].scrollHeight-self.maxHeight){self.$container.addClass('bottom');}else{self.$container.removeClass('bottom');};});if(self.$form.length){self.$form.on('reset.easyDropDown',function(){var active=self.hasLabel?self.label:self.options[0].title;self.$active.text(active);});};},unbindHandlers:function(){var self=this;self.$container.add(self.$select).add(self.$items).add(self.$form).add(self.$dropDown).off('.easyDropDown');$('body').off('.'+self.id);},open:function(){var self=this,scrollTop=window.scrollY||document.documentElement.scrollTop,scrollLeft=window.scrollX||document.documentElement.scrollLeft,scrollOffset=self.notInViewport(scrollTop);self.closeAll();self.$select.focus();window.scrollTo(scrollLeft,scrollTop+scrollOffset);self.$container.addClass('open');self.$scrollWrapper.css('height',self.maxHeight+'px');self.down=true;},close:function(){var self=this;self.$container.removeClass('open');self.$scrollWrapper.css('height','0px');self.focusIndex=self.selected.index;self.query='';self.down=false;},closeAll:function(){var self=this,instances=Object.getPrototypeOf(self).instances;for(var key in instances){var instance=instances[key];instance.close();};},select:function(index){var self=this;if(typeof index==='string'){index=self.$select.find('option[value='+index+']').index()-1;};var option=self.options[index],selectIndex=self.hasLabel?index+1:index;self.$items.removeClass('active').eq(index).addClass('active');self.$active.text(option.title);self.$select.find('option').removeAttr('selected').eq(selectIndex).prop('selected',true).parent().trigger('change');self.selected={index:index,title:option.title};self.focusIndex=i;if(typeof self.onChange==='function'){self.onChange.call(self.$select[0],{title:option.title,value:option.value});};},search:function(){var self=this,lock=function(i){self.focusIndex=i;self.$items.removeClass('focus').eq(self.focusIndex).addClass('focus');self.scrollToView();},getTitle=function(i){return self.options[i].title.toUpperCase();};for(i=0;i<self.options.length;i++){var title=getTitle(i);if(title.indexOf(self.query)==0){lock(i);return;};};for(i=0;i<self.options.length;i++){var title=getTitle(i);if(title.indexOf(self.query)>-1){lock(i);break;};};},scrollToView:function(){var self=this;if(self.focusIndex>=self.cutOff){var $focusItem=self.$items.eq(self.focusIndex),scroll=($focusItem.outerHeight()*(self.focusIndex+1))-self.maxHeight;self.$dropDown.scrollTop(scroll);};},notInViewport:function(scrollTop){var self=this,range={min:scrollTop,max:scrollTop+(window.innerHeight||document.documentElement.clientHeight)},menuBottom=self.$dropDown.offset().top+self.maxHeight;if(menuBottom>=range.min&&menuBottom<=range.max){return 0;}else{return(menuBottom-range.max)+5;};},destroy:function(){var self=this;self.unbindHandlers();self.$select.unwrap().siblings().remove();self.$select.unwrap();delete Object.getPrototypeOf(self).instances[self.$select[0].id];},disable:function(){var self=this;self.disabled=true;self.$container.addClass('disabled');self.$select.attr('disabled',true);if(!self.down)self.close();},enable:function(){var self=this;self.disabled=false;self.$container.removeClass('disabled');self.$select.attr('disabled',false);}};var instantiate=function(domNode,settings){domNode.id=!domNode.id?'EasyDropDown'+rand():domNode.id;var instance=new EasyDropDown();if(!instance.instances[domNode.id]){instance.instances[domNode.id]=instance;instance.init(domNode,settings);};},rand=function(){return('00000'+(Math.random()*16777216<<0).toString(16)).substr(-6).toUpperCase();};$.fn.easyDropDown=function(){var args=arguments,dataReturn=[],eachReturn;eachReturn=this.each(function(){if(args&&typeof args[0]==='string'){var data=EasyDropDown.prototype.instances[this.id][args[0]](args[1],args[2]);if(data)dataReturn.push(data);}else{instantiate(this,args[0]);};});if(dataReturn.length){return dataReturn.length>1?dataReturn:dataReturn[0];}else{return eachReturn;};};$(function(){if(typeof Object.getPrototypeOf!=='function'){if(typeof 'test'.__proto__==='object'){Object.getPrototypeOf=function(object){return object.__proto__;};}else{Object.getPrototypeOf=function(object){return object.constructor.prototype;};};};$('select.dropdown').each(function(){var json=$(this).attr('data-settings');settings=json?$.parseJSON(json):{};instantiate(this,settings);});});})(jQuery);