/*----------------------------- list_fade_in -----------------------------*/
(function($){
	var 
	defaults = {
		activeIndex:0, 
		autoExecute:false, 
		timeAutoExecute:3000, 
		pagerShow:true, 
		speedFadeIn:500, 
		speedAnimationHeight:500, 
		funcFadeInSetFinishCallback:function(activeIndex){}, 
		funcFadeInStartCallback:function(activeIndex){}, 
		funcFadeInEndCallback:function(activeIndex){} 
	};
	$.fn.listFadeIn = function(options){
		var 
		configs = {}, 
		el = this, 
		lenEl = el.length, 
		flagFuncExecute = true, 
		timeAutoExecute = null, 
		funcInit = function(){
			configs = $.extend({}, defaults, options);
			var 
			eleListFadeInUnorderedList = $('.list_fade_in_list', el), 
			eleListFadeInContentsParent = $('.list_fade_in_contents_parent:eq(0)', el);
			if(configs.pagerShow){
				$(eleListFadeInUnorderedList).show();
			}else{
				$(eleListFadeInUnorderedList).hide();
			}
			funcImgLoad(eleListFadeInContentsParent, function(){
				var 
				eleListFadeInContentsActive = $('> .list_fade_in_contents', eleListFadeInContentsParent).eq(configs.activeIndex);
				$(eleListFadeInContentsActive).show();
				funcAdjustmentHeight(function(){
					if(configs.pagerShow){
						var 
						eleListFadeInList = $('.list_fade_in_list:eq(0) > li', el);
						eleListFadeInList.eq(configs.activeIndex).addClass('list_fade_in_active');
						eleListFadeInList.each(function(){
							var 
							index = eleListFadeInList.index(this);
							$('> a', this)
							.eq(0)
							.on({
								'click':function(){
									funcExecute(index);
								} 
							});
						});
					}
					$(window).on({
						'resize':function(){
							funcAdjustmentHeight(function(){});
						} 
					});
					if(configs.autoExecute)
					funcSetAutoExecute();
					funcCustomEvents();
					funcDestructor();
					configs.funcFadeInSetFinishCallback(configs.activeIndex);
				});
			});
		}, 
		funcDestructor = function(){
			lenEl = 
			funcInit = 
			funcCustomEvents = 
			funcImgLoad = void 0;
		}, 
		funcCustomEvents = function(){
			el.on({
				'listFadeIn.funcListFadeInExecute':function(e, args){
					funcExecute(args.index);
				}, 
				'listFadeIn.funcListFadeInAdjustmentHeight':function(e, callback){
					if(typeof callback === 'undefined')
					callback = function(){};
					funcAdjustmentHeight(callback);
				} 
			});
		},
		funcImgLoad = function(ele, callback){
			var 
			count = 0, 
			eleImg = ele.find('img'), 
			lenImg = $(eleImg).length;
			if(lenImg === 0)
			callback();
			$(eleImg).each(function(){
				var 
				eleImg = $('<img>');
				eleImg.on({
					'load':function(){
						count++;
						if(lenImg === count)
						callback();
					}, 
					'error':function(){
						count++;
						if(lenImg === count)
						callback();
					} 
				});
				eleImg.attr('src', $(this).attr('src'));
			});
		}, 
		funcAdjustmentHeight = function(callback){
			var 
			eleListFadeInContentsParent = $('.list_fade_in_contents_parent:eq(0)', el), 
			eleListFadeInContentsCurrent = $('> .list_fade_in_contents', eleListFadeInContentsParent).eq(configs.activeIndex);
			eleListFadeInContentsParent
			.stop()
			.animate(
				{
					'height':eleListFadeInContentsCurrent.outerHeight(true) + 'px' 
				}, 
				configs.speedAnimationHeight, 
				function(){
					callback(configs.activeIndex);
				}
			);
		}, 
		funcSetAutoExecute = function(){
			var 
			eleListFadeInContentsParent = $('.list_fade_in_contents_parent:eq(0)', el), 
			eleListFadeInContents = $('> .list_fade_in_contents', eleListFadeInContentsParent);
			timeAutoExecute = setTimeout(function(){
				var 
				nextIndex = configs.activeIndex + 1;
				funcExecute(nextIndex === eleListFadeInContents.length?0:nextIndex);
			}, configs.timeAutoExecute + configs.speedFadeIn);
		}, 
		funcExecute = function(index){
			if(
				flagFuncExecute === false || 
				configs.activeIndex === index 
			)
			return false;
			flagFuncExecute = false;
			configs.funcFadeInStartCallback(configs.activeIndex);
			if(
				configs.autoExecute && 
				typeof timeAutoExecute === 'number' 
			){
				clearTimeout(timeAutoExecute);
				timeAutoExecute = void 0;
			}
			var 
			eleListFadeInContentsParent = $('.list_fade_in_contents_parent:eq(0)', el), 
			eleListFadeInContentsActivePrev = $('> .list_fade_in_contents', eleListFadeInContentsParent).eq(configs.activeIndex), 
			eleListFadeInContentsActiveNext = $('> .list_fade_in_contents', eleListFadeInContentsParent).eq(index);
			eleListFadeInContentsActivePrev
			.css({
				'z-index':'0' 
			});
			eleListFadeInContentsActiveNext
			.css({
				'z-index':'1' 
			})
			.fadeIn(
				configs.speedFadeIn, 
				function(){
					eleListFadeInContentsActivePrev.hide();
					$('.list_fade_in_list:eq(0) > li', el).eq(configs.activeIndex).removeClass('list_fade_in_active');
					configs.activeIndex = index;
					$('.list_fade_in_list:eq(0) > li', el).eq(configs.activeIndex).addClass('list_fade_in_active');
					funcAdjustmentHeight(function(){
						flagFuncExecute = true;
						if(configs.autoExecute)
						funcSetAutoExecute();
						configs.funcFadeInEndCallback(configs.activeIndex);
					});
				}
			);
		};
		if(lenEl === 0)return this;
		if(lenEl > 1){
			el.each(function(){$(this).listFadeIn(options)});
			return this;
		}
		funcInit();
	};
})(jQuery);
/*----------------------------- /list_fade_in -----------------------------*/