"use strict";var viewNum=5,moveNum=1,moveTime=400,thumbnailBoxItem=$(".thumbnail-box .wrapper .item"),thumbnailBox=$(".thumbnail-box"),thumbnailBoxWrapper=$(".thumbnail-box .wrapper"),thumbnailBoxNextBtn=$(".thumbnail-box a.btn.btn-next"),thumbnailBoxPrevBtn=$(".thumbnail-box a.btn.btn-prev"),bigBox=$(".preview-container .big-box"),bigBoxImg=bigBox.find("img"),smallBox=$(".preview-container .small-box"),smallBoxMask=$(".preview-container .small-box .hover"),picNum=thumbnailBoxItem.length,tempLength=0,moveLength=thumbnailBoxItem.eq(0).outerWidth(!0)*moveNum,countLength=(picNum-viewNum)*moveLength;0==picNum&&(bigBox.remove(),thumbnailBox.remove(),smallBoxMask.remove()),countLength<5?($(".thumbnail-box a.btn.btn-prev").addClass("btn-prev_disabled"),$(".thumbnail-box a.btn.btn-next").addClass("btn_next_disabled")):$(".thumbnail-box a.btn.btn-next").removeClass("btn_next_disabled"),thumbnailBoxNextBtn.on("click",function(){tempLength<countLength&&($(".item-cur").next().trigger("mouseenter"),moveLength<countLength-tempLength?(thumbnailBoxWrapper.animate({marginLeft:"-="+moveLength+"px"},moveTime),tempLength+=moveLength):(thumbnailBoxWrapper.animate({marginLeft:"-="+(countLength-tempLength)+"px"},moveTime),tempLength+=countLength-tempLength)),viewNum<countLength&&$(".btn-prev").removeClass("btn_prev_disabled"),tempLength==countLength&&$(".btn-next").addClass("btn_next_disabled")}),thumbnailBoxPrevBtn.on("click",function(){0<tempLength&&($(".item-cur").prev().trigger("mouseenter"),moveLength<tempLength?(thumbnailBoxWrapper.animate({marginLeft:"+="+moveLength+"px"},moveTime),tempLength-=moveLength):(thumbnailBoxWrapper.animate({marginLeft:"+="+tempLength+"px"},moveTime),tempLength=0)),tempLength<countLength&&$(".btn-next").removeClass("btn_next_disabled"),0==tempLength&&$(".btn-prev").addClass("btn_prev_disabled")}),thumbnailBoxItem.on("mouseenter",function(){thumbnailBoxItem.removeClass("item-cur");var t=$(this);t.addClass("item-cur"),smallBox.find("img").attr("src",t.find("img").attr("src")),bigBox.find("img").attr("src",t.find("img").attr("src"))}),smallBox.on("mouseenter",function(){bigBox.fadeIn(200),smallBoxMask.fadeIn(200),$(this).on("mousemove",function(t){var e={left:t.clientX-$(this).offset().left-smallBoxMask.width()/2,top:t.clientY-$(this).offset().top-smallBoxMask.height()/2+$(window).scrollTop()};e.left<0?e.left=0:e.left>$(this).width()-smallBoxMask.width()&&(e.left=$(this).width()-smallBoxMask.width()),e.top<0?e.top=0:e.top>$(this).height()-smallBoxMask.height()&&(e.top=$(this).height()-smallBoxMask.height()),smallBoxMask.css(e);t=smallBoxMask.position().left/(smallBox.width()-smallBoxMask.width()),e=smallBoxMask.position().top/(smallBox.height()-smallBoxMask.height()),t*=bigBoxImg.width()-bigBox.width(),e*=bigBoxImg.height()-bigBox.height();bigBox.scrollLeft(t).scrollTop(e)})}),smallBox.on("mouseleave",function(){bigBox.fadeOut(200),smallBox.find(".hover").fadeOut(200)}),$(function(){thumbnailBoxItem.each(function(t){0===t&&$(this).addClass("item-cur")})});