/*! lightgallery - v1.2.0 - 2015-08-26
* http://sachinchoolur.github.io/lightGallery/
* Copyright (c) 2015 Sachin N; Licensed Apache 2.0 */(function($,window,document,undefined){'use strict';var defaults={thumbnail:true,animateThumb:true,currentPagerPosition:'middle',thumbWidth:100,thumbContHeight:100,thumbMargin:5,exThumbImage:false,showThumbByDefault:true,toogleThumb:true,enableThumbDrag:true,enableThumbSwipe:true,swipeThreshold:50,loadYoutubeThumbnail:true,youtubeThumbSize:1,loadVimeoThumbnail:true,vimeoThumbSize:'thumbnail_small'};var Thumbnail=function(element){this.core=$(element).data('lightGallery');this.core.s=$.extend({},defaults,this.core.s);this.$el=$(element);this.$thumbOuter=null;this.thumbOuterWidth=0;this.thumbTotalWidth=(this.core.$items.length*(this.core.s.thumbWidth+this.core.s.thumbMargin));this.thumbIndex=this.core.index;this.left=0;this.init();return this;};Thumbnail.prototype.init=function(){if(this.core.s.thumbnail&&this.core.$items.length>1){if(this.core.s.showThumbByDefault){this.core.$outer.addClass('');}
this.build();if(this.core.s.animateThumb){if(this.core.s.enableThumbDrag&&!this.core.isTouch&&this.core.doCss()){this.enableThumbDrag();}
if(this.core.s.enableThumbSwipe&&this.core.isTouch&&this.core.doCss()){this.enableThumbSwipe();}
this.thumbClickable=false;}else{this.thumbClickable=true;}
this.toogle();this.thumbkeyPress();}};Thumbnail.prototype.build=function(){var _this=this;var thumbList='';var viemoErrorThumbSize='';var $thumb;var html='<div class="lg-thumb-outer">'+
'<div class="lg-thumb group">'+
'</div>'+
'</div>';switch(this.core.s.vimeoThumbSize){case 'thumbnail_large':viemoErrorThumbSize='640';break;case 'thumbnail_medium':viemoErrorThumbSize='200x150';break;case 'thumbnail_small':viemoErrorThumbSize='100x75';}
_this.core.$outer.addClass('lg-has-thumb');_this.core.$outer.find('.lg').append(html);_this.$thumbOuter=_this.core.$outer.find('.lg-thumb-outer');_this.thumbOuterWidth=_this.$thumbOuter.width();if(_this.core.s.animateThumb){_this.core.$outer.find('.lg-thumb').css({width:_this.thumbTotalWidth+'px',position:'relative'});}
if(this.core.s.animateThumb){_this.$thumbOuter.css('height',_this.core.s.thumbContHeight+'px');}
function getThumb(src,thumb,index){var isVideo=_this.core.isVideo(src,index)||{};var thumbImg;var vimeoId='';if(isVideo.youtube||isVideo.vimeo){if(isVideo.youtube){if(_this.core.s.loadYoutubeThumbnail){thumbImg='http://img.youtube.com/vi/'+isVideo.youtube[1]+'/'+_this.core.s.youtubeThumbSize+'.jpg';}else{thumbImg=thumb;}}else if(isVideo.vimeo){if(_this.core.s.loadVimeoThumbnail){thumbImg='https://i.vimeocdn.com/video/error_'+viemoErrorThumbSize+'.jpg';vimeoId=isVideo.vimeo[1];}else{thumbImg=thumb;}}}else{thumbImg=thumb;}
thumbList+='<div data-vimoe-id="'+vimeoId+'" class="lg-thumb-item" style="width:'+_this.core.s.thumbWidth+'px; margin-right: '+_this.core.s.thumbMargin+'px"><img src="'+thumbImg+'" /></div>';vimeoId='';}
if(_this.core.s.dynamic){for(var i=0;i<_this.core.s.dynamicEl.length;i++){getThumb(_this.core.s.dynamicEl[i].src,_this.core.s.dynamicEl[i].thumb,i);}}else{_this.core.$items.each(function(i){if(!_this.core.s.exThumbImage){getThumb($(this).attr('href')||$(this).attr('data-src'),$(this).find('img').attr('src'),i);}else{getThumb($(this).attr('href')||$(this).attr('data-src'),$(this).attr(_this.core.s.exThumbImage),i);}});}
_this.core.$outer.find('.lg-thumb').html(thumbList);$thumb=_this.core.$outer.find('.lg-thumb-item');$thumb.each(function(){var $this=$(this);var vimeoVideoId=$this.attr('data-vimoe-id');if(vimeoVideoId){$.getJSON('http://www.vimeo.com/api/v2/video/'+vimeoVideoId+'.json?callback=?',{format:'json'},function(data){$this.find('img').attr('src',data[0][_this.core.s.vimeoThumbSize]);});}});$thumb.eq(_this.core.index).addClass('active');_this.core.$el.on('onBeforeSlide.lg.tm',function(){$thumb.removeClass('active');$thumb.eq(_this.core.index).addClass('active');});$thumb.on('click.lg touchend.lg',function(){var _$this=$(this);setTimeout(function(){if((_this.thumbClickable&&!_this.core.lgBusy)||!_this.core.doCss()){_this.core.index=_$this.index();_this.core.slide(_this.core.index,false,true);}},50);});_this.core.$el.on('onBeforeSlide.lg.tm',function(){_this.animateThumb(_this.core.index);});$(window).on('resize.lg.thumb orientationchange.lg.thumb',function(){setTimeout(function(){_this.animateThumb(_this.core.index);_this.thumbOuterWidth=_this.$thumbOuter.width();},200);});};Thumbnail.prototype.setTranslate=function(value){this.core.$outer.find('.lg-thumb').css({transform:'translate3d(-'+(value)+'px, 0px, 0px)'});};Thumbnail.prototype.animateThumb=function(index){var $thumb=this.core.$outer.find('.lg-thumb');if(this.core.s.animateThumb){var position;switch(this.core.s.currentPagerPosition){case 'left':position=0;break;case 'middle':position=(this.thumbOuterWidth/2)-(this.core.s.thumbWidth/2);break;case 'right':position=this.thumbOuterWidth-this.core.s.thumbWidth;}
this.left=((this.core.s.thumbWidth+this.core.s.thumbMargin)*index-1)-position;if(this.left>(this.thumbTotalWidth-this.thumbOuterWidth)){this.left=this.thumbTotalWidth-this.thumbOuterWidth;}
if(this.left<0){this.left=0;}
if(this.core.lGalleryOn){if(!$thumb.hasClass('on')){this.core.$outer.find('.lg-thumb').css('transition-duration',this.core.s.speed+'ms');}
if(!this.core.doCss()){$thumb.animate({left:-this.left+'px'},this.core.s.speed);}}else{if(!this.core.doCss()){$thumb.css('left',-this.left+'px');}}
this.setTranslate(this.left);}};Thumbnail.prototype.enableThumbDrag=function(){var _this=this;var startCoords=0;var endCoords=0;var isDraging=false;var isMoved=false;var tempLeft=0;_this.$thumbOuter.addClass('lg-grab');_this.core.$outer.find('.lg-thumb').on('mousedown.lg.thumb',function(e){if(_this.thumbTotalWidth>_this.thumbOuterWidth){e.preventDefault();startCoords=e.pageX;isDraging=true;_this.core.$outer.scrollLeft+=1;_this.core.$outer.scrollLeft-=1;_this.thumbClickable=false;_this.$thumbOuter.removeClass('lg-grab').addClass('lg-grabbing');}});$(window).on('mousemove.lg.thumb',function(e){if(isDraging){tempLeft=_this.left;isMoved=true;endCoords=e.pageX;_this.$thumbOuter.addClass('lg-dragging');tempLeft=tempLeft-(endCoords-startCoords);if(tempLeft>(_this.thumbTotalWidth-_this.thumbOuterWidth)){tempLeft=_this.thumbTotalWidth-_this.thumbOuterWidth;}
if(tempLeft<0){tempLeft=0;}
_this.setTranslate(tempLeft);}});$(window).on('mouseup.lg.thumb',function(){if(isMoved){isMoved=false;_this.$thumbOuter.removeClass('lg-dragging');_this.left=tempLeft;if(Math.abs(endCoords-startCoords)<_this.core.s.swipeThreshold){_this.thumbClickable=true;}}else{_this.thumbClickable=true;}
if(isDraging){isDraging=false;_this.$thumbOuter.removeClass('lg-grabbing').addClass('lg-grab');}});};Thumbnail.prototype.enableThumbSwipe=function(){var _this=this;var startCoords=0;var endCoords=0;var isMoved=false;var tempLeft=0;_this.core.$outer.find('.lg-thumb').on('touchstart.lg',function(e){if(_this.thumbTotalWidth>_this.thumbOuterWidth){e.preventDefault();startCoords=e.originalEvent.targetTouches[0].pageX;_this.thumbClickable=false;}});_this.core.$outer.find('.lg-thumb').on('touchmove.lg',function(e){if(_this.thumbTotalWidth>_this.thumbOuterWidth){e.preventDefault();endCoords=e.originalEvent.targetTouches[0].pageX;isMoved=true;_this.$thumbOuter.addClass('lg-dragging');tempLeft=_this.left;tempLeft=tempLeft-(endCoords-startCoords);if(tempLeft>(_this.thumbTotalWidth-_this.thumbOuterWidth)){tempLeft=_this.thumbTotalWidth-_this.thumbOuterWidth;}
if(tempLeft<0){tempLeft=0;}
_this.setTranslate(tempLeft);}});_this.core.$outer.find('.lg-thumb').on('touchend.lg',function(){if(_this.thumbTotalWidth>_this.thumbOuterWidth){if(isMoved){isMoved=false;_this.$thumbOuter.removeClass('lg-dragging');if(Math.abs(endCoords-startCoords)<_this.core.s.swipeThreshold){_this.thumbClickable=true;}
_this.left=tempLeft;}else{_this.thumbClickable=true;}}else{_this.thumbClickable=true;}});};Thumbnail.prototype.toogle=function(){var _this=this;if(_this.core.s.toogleThumb){_this.core.$outer.addClass('lg-can-toggle');_this.$thumbOuter.append('<span class="lg-toogle-thumb lg-icon"></span>');_this.core.$outer.find('.lg-toogle-thumb').on('click.lg',function(){_this.core.$outer.toggleClass('lg-thumb-open');});}};Thumbnail.prototype.thumbkeyPress=function(){var _this=this;$(window).on('keydown.lg.thumb',function(e){if(e.keyCode===38){e.preventDefault();_this.core.$outer.addClass('lg-thumb-open');}else if(e.keyCode===40){e.preventDefault();_this.core.$outer.removeClass('lg-thumb-open');}});};Thumbnail.prototype.destroy=function(){if(this.core.s.thumbnail&&this.core.$items.length>1){$(window).off('resize.lg.thumb orientationchange.lg.thumb keydown.lg.thumb');this.$thumbOuter.remove();this.core.$outer.removeClass('lg-has-thumb');}};$.fn.lightGallery.modules.Thumbnail=Thumbnail;})(jQuery,window,document);