;(function($,window,undefined){'use strict';var $event=$.event,$special,resizeTimeout;$special=$event.special.debouncedresize={setup:function(){$(this).on("resize",$special.handler);},teardown:function(){$(this).off("resize",$special.handler);},handler:function(event,execAsap){var context=this,args=arguments,dispatch=function(){event.type="debouncedresize";$event.dispatch.apply(context,args);};if(resizeTimeout){clearTimeout(resizeTimeout);}execAsap?dispatch():resizeTimeout=setTimeout(dispatch,$special.threshold);},threshold:100};Array.prototype.shuffle=function(){var i=this.length,p,t;while(i--){p=Math.floor(Math.random()*i);t=this[i];this[i]=this[p];this[p]=t;}return this;};function getHiddenProp(){var prefixes=['webkit','moz','ms','o'];if('hidden'in document)return'hidden';for(var i=0;i<prefixes.length;i++){if((prefixes[i]+'Hidden')in document)return prefixes[i]+'Hidden';}return null;}function isHidden(){var prop=getHiddenProp();if(!prop)return false;return document[prop];}function isEmpty(obj){return Object.keys(obj).length===0;}var $window=$(window),Modernizr=window.Modernizr;$.GridRotator=function(options,element){this.$el=$(element);if(Modernizr.backgroundsize){var self=this;this.$el.addClass('ri-grid-loading');this._init(options);}};$.GridRotator.defaults={rows:4,columns:10,w1024:{rows:3,columns:8},w768:{rows:3,columns:7},w480:{rows:3,columns:5},w320:{rows:2,columns:4},w240:{rows:2,columns:3},step:'random',maxStep:3,preventClick:true,animType:'random',animSpeed:800,animEasingOut:'linear',animEasingIn:'linear',interval:3000,slideshow:true,onhover:false,nochange:[]};$.GridRotator.prototype={_init:function(options){this.options=$.extend(true,{},$.GridRotator.defaults,options);this._config();},_config:function(){var self=this,transEndEventNames={'WebkitTransition':'webkitTransitionEnd','MozTransition':'transitionend','OTransition':'oTransitionEnd','msTransition':'MSTransitionEnd','transition':'transitionend'};this.supportTransitions=Modernizr.csstransitions;this.supportTransforms3D=Modernizr.csstransforms3d;this.transEndEventName=transEndEventNames[Modernizr.prefixed('transition')]+'.gridrotator';this.animTypes=this.supportTransforms3D?['fadeInOut','slideLeft','slideRight','slideTop','slideBottom','rotateLeft','rotateRight','rotateTop','rotateBottom','scale','rotate3d','rotateLeftScale','rotateRightScale','rotateTopScale','rotateBottomScale']:['fadeInOut','slideLeft','slideRight','slideTop','slideBottom'];this.animType=this.options.animType;if(this.animType!=='random'&&!this.supportTransforms3D&&$.inArray(this.animType,this.animTypes)===-1&&this.animType!=='showHide'){this.animType='fadeInOut';}this.animTypesTotal=this.animTypes.length;this.$list=this.$el.children('ul');var loaded=0,$imgs=this.$list.find('img'),count=$imgs.length;$imgs.each(function(){var $img=$(this),src=$img.attr('src');$('<img/>').load(function(){++loaded;$img.parent().css('background-image','url('+src+')');if(loaded===count){$imgs.remove();self.$el.removeClass('ri-grid-loading');self.$items=self.$list.children('li');self.$itemsCache=self.$items.clone();self.itemsTotal=self.$items.length;self.outItems=[];self._layout(function(){self._initEvents();});self._start();}}).attr('src',src)});},_layout:function(callback){var self=this;this._setGridDim();this.$list.empty();this.$items=this.$itemsCache.clone().appendTo(this.$list);var $outItems=this.$items.filter(':gt('+(this.showTotal-1)+')'),$outAItems=$outItems.children('a');this.outItems.length=0;$outAItems.each(function(i){self.outItems.push($(this));});$outItems.remove();var containerWidth=(document.defaultView)?parseInt(document.defaultView.getComputedStyle(this.$el.get(0),null).width):this.$el.width(),itemWidth=Math.floor(containerWidth/this.columns),gapWidth=containerWidth-(this.columns*Math.floor(itemWidth));for(var i=0;i<this.rows;++i){for(var j=0;j<this.columns;++j){var idx=this.columns*i+j,$item=this.$items.eq(idx);$item.css({width:j<Math.floor(gapWidth)?itemWidth+1:itemWidth,height:itemWidth});if($.inArray(idx,this.options.nochange)!==-1){$item.addClass('ri-nochange').data('nochange',true);}}}if(this.options.preventClick){this.$items.children().css('cursor','default').on('click.gridrotator',false);}if(callback){callback.call();}},_setGridDim:function(){var c_w=this.$el.width();switch(true){case(c_w<240):this.rows=this.options.w240.rows;this.columns=this.options.w240.columns;break;case(c_w<320):this.rows=this.options.w320.rows;this.columns=this.options.w320.columns;break;case(c_w<480):this.rows=this.options.w480.rows;this.columns=this.options.w480.columns;break;case(c_w<768):this.rows=this.options.w768.rows;this.columns=this.options.w768.columns;break;case(c_w<1024):this.rows=this.options.w1024.rows;this.columns=this.options.w1024.columns;break;default:this.rows=this.options.rows;this.columns=this.options.columns;break;}this.showTotal=this.rows*this.columns;},_initEvents:function(){var self=this;$window.on('debouncedresize.gridrotator',function(){self._layout();});var visProp=getHiddenProp();if(visProp){var evtname=visProp.replace(/[H|h]idden/,'')+'visibilitychange';document.addEventListener(evtname,function(){self._visChange();});}if(!Modernizr.touch&&this.options.onhover){self.$items.on('mouseenter.gridrotator',function(){var $item=$(this);if(!$item.data('active')&&!$item.data('hovered')&&!$item.data('nochange')){$item.data('hovered',true);self._replace($item);}}).on('mouseleave.gridrotator',function(){$(this).data('hovered',false);});}},_visChange:function(){isHidden()?clearTimeout(this.playtimeout):this._start();},_start:function(){if(this.showTotal<this.itemsTotal&&this.options.slideshow){this._showNext();}},_getAnimType:function(){return this.animType==='random'?this.animTypes[Math.floor(Math.random()*this.animTypesTotal)]:this.animType;},_getAnimProperties:function($out){var startInProp={},startOutProp={},endInProp={},endOutProp={},animType=this._getAnimType(),speed,delay=0;switch(animType){case'showHide':speed=0;endOutProp.opacity=0;break;case'fadeInOut':endOutProp.opacity=0;break;case'slideLeft':startInProp.left=$out.width();endInProp.left=0;endOutProp.left=-$out.width();break;case'slideRight':startInProp.left=-$out.width();endInProp.left=0;endOutProp.left=$out.width();break;case'slideTop':startInProp.top=$out.height();endInProp.top=0;endOutProp.top=-$out.height();break;case'slideBottom':startInProp.top=-$out.height();endInProp.top=0;endOutProp.top=$out.height();break;case'rotateLeft':speed=this.options.animSpeed/2;startInProp.transform='rotateY(90deg)';endInProp.transform='rotateY(0deg)';delay=speed;endOutProp.transform='rotateY(-90deg)';break;case'rotateRight':speed=this.options.animSpeed/2;startInProp.transform='rotateY(-90deg)';endInProp.transform='rotateY(0deg)';delay=speed;endOutProp.transform='rotateY(90deg)';break;case'rotateTop':speed=this.options.animSpeed/2;startInProp.transform='rotateX(90deg)';endInProp.transform='rotateX(0deg)';delay=speed;endOutProp.transform='rotateX(-90deg)';break;case'rotateBottom':speed=this.options.animSpeed/2;startInProp.transform='rotateX(-90deg)';endInProp.transform='rotateX(0deg)';delay=speed;endOutProp.transform='rotateX(90deg)';break;case'scale':speed=this.options.animSpeed/2;startInProp.transform='scale(0)';startOutProp.transform='scale(1)';endInProp.transform='scale(1)';delay=speed;endOutProp.transform='scale(0)';break;case'rotateLeftScale':startOutProp.transform='scale(1)';speed=this.options.animSpeed/2;startInProp.transform='scale(0.3) rotateY(90deg)';endInProp.transform='scale(1) rotateY(0deg)';delay=speed;endOutProp.transform='scale(0.3) rotateY(-90deg)';break;case'rotateRightScale':startOutProp.transform='scale(1)';speed=this.options.animSpeed/2;startInProp.transform='scale(0.3) rotateY(-90deg)';endInProp.transform='scale(1) rotateY(0deg)';delay=speed;endOutProp.transform='scale(0.3) rotateY(90deg)';break;case'rotateTopScale':startOutProp.transform='scale(1)';speed=this.options.animSpeed/2;startInProp.transform='scale(0.3) rotateX(90deg)';endInProp.transform='scale(1) rotateX(0deg)';delay=speed;endOutProp.transform='scale(0.3) rotateX(-90deg)';break;case'rotateBottomScale':startOutProp.transform='scale(1)';speed=this.options.animSpeed/2;startInProp.transform='scale(0.3) rotateX(-90deg)';endInProp.transform='scale(1) rotateX(0deg)';delay=speed;endOutProp.transform='scale(0.3) rotateX(90deg)';break;case'rotate3d':speed=this.options.animSpeed/2;startInProp.transform='rotate3d( 1, 1, 0, 90deg )';endInProp.transform='rotate3d( 1, 1, 0, 0deg )';delay=speed;endOutProp.transform='rotate3d( 1, 1, 0, -90deg )';break;}return{startInProp:startInProp,startOutProp:startOutProp,endInProp:endInProp,endOutProp:endOutProp,delay:delay,animSpeed:speed!=undefined?speed:this.options.animSpeed};},_showNext:function(time){var self=this;clearTimeout(this.playtimeout);this.playtimeout=setTimeout(function(){var step=self.options.step,max=self.options.maxStep,min=1;if(max>self.showTotal){max=self.showTotal;}var nmbOut=step==='random'?Math.floor(Math.random()*max+min):Math.min(Math.abs(step),max),randArr=self._getRandom(nmbOut,self.showTotal);for(var i=0;i<nmbOut;++i){var $out=self.$items.eq(randArr[i]);if($out.data('active')||$out.data('nochange')){self._showNext(1);return false;}self._replace($out);}self._showNext();},time||Math.max(Math.abs(this.options.interval),300));},_replace:function($out){$out.data('active',true);var self=this,$outA=$out.children('a:last'),newElProp={width:$outA.width(),height:$outA.height()};$out.data('active',true);var $inA=this.outItems.shift();this.outItems.push($outA.clone().css('transition','none'));$inA.css(newElProp).prependTo($out);var animProp=this._getAnimProperties($outA);$inA.css(animProp.startInProp);$outA.css(animProp.startOutProp);this._setTransition($inA,'all',animProp.animSpeed,animProp.delay,this.options.animEasingIn);this._setTransition($outA,'all',animProp.animSpeed,0,this.options.animEasingOut);this._applyTransition($inA,animProp.endInProp,animProp.animSpeed,function(){var $el=$(this),t=animProp.animSpeed===self.options.animSpeed&&isEmpty(animProp.endInProp)?animProp.animSpeed:0;setTimeout(function(){if(self.supportTransitions){$el.off(self.transEndEventName);}$el.next().remove();$el.parent().data('active',false);},t);},animProp.animSpeed===0||isEmpty(animProp.endInProp));this._applyTransition($outA,animProp.endOutProp,animProp.animSpeed);},_getRandom:function(cnt,limit){var randArray=[];for(var i=0;i<limit;++i){randArray.push(i)}return randArray.shuffle().slice(0,cnt);},_setTransition:function(el,prop,speed,delay,easing){setTimeout(function(){el.css('transition',prop+' '+speed+'ms '+delay+'ms '+easing);},25);},_applyTransition:function(el,styleCSS,speed,fncomplete,force){var self=this;setTimeout(function(){$.fn.applyStyle=self.supportTransitions?$.fn.css:$.fn.animate;if(fncomplete&&self.supportTransitions){el.on(self.transEndEventName,fncomplete);if(force){fncomplete.call(el);}}fncomplete=fncomplete||function(){return false;};el.stop().applyStyle(styleCSS,$.extend(true,[],{duration:speed+'ms',complete:fncomplete}));},25);}};var logError=function(message){if(window.console){window.console.error(message);}};$.fn.gridrotator=function(options){var instance=$.data(this,'gridrotator');if(typeof options==='string'){var args=Array.prototype.slice.call(arguments,1);this.each(function(){if(!instance){logError("cannot call methods on gridrotator prior to initialization; "+"attempted to call method '"+options+"'");return;}if(!$.isFunction(instance[options])||options.charAt(0)==="_"){logError("no such method '"+options+"' for gridrotator instance");return;}instance[options].apply(instance,args);});}else{this.each(function(){if(instance){instance._init();}else{instance=$.data(this,'gridrotator',new $.GridRotator(options,this));}});}return instance;};})(jQuery,window);