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    /**
 
 @Name: layer拓展类，依赖于layer
 @Date: 2014.08.13
 @Author: 贤心
 @Versions：1.8.5-ext
 @Api：http://sentsin.com/jquery/layer
 @Desc: 本拓展会持续更新

 */
 
layer.use("skin/layer.ext.css",function(){layer.ext&&layer.ext()}),layer.prompt=function(a,b,c){var d={},a=a||{},e={area:["auto","auto"],offset:[a.top||"",""],title:a.title||"信息",dialog:{btns:2,type:-1,msg:'<input type="'+function(){return 1===a.type?"password":2===a.type?"file":"text"}()+'" class="xubox_prompt xubox_form" id="xubox_prompt" value="'+(a.val||"")+'" />',yes:function(c){var e=d.prompt.val();""===e?d.prompt.focus():e.replace(/\s/g,"").length>(a.length||1e3)?layer.tips("最多输入"+(a.length||1e3)+"个字数","#xubox_prompt",2):b&&b(e,c,d.prompt)},no:c},success:function(){d.prompt=$("#xubox_prompt"),d.prompt.focus()}};return 3===a.type&&(e.dialog.msg='<textarea class="xubox_prompt xubox_form xubox_formArea" id="xubox_prompt">'+(a.val||"")+"</textarea>"),$.layer(e)},layer.tab=function(a){var a=a||{},c=a.data||[],d={type:1,border:[0],area:["auto","auto"],bgcolor:"",title:!1,shade:a.shade,offset:a.offset,move:".xubox_tabmove",closeBtn:!1,page:{html:'<div class="xubox_tab" style="'+function(){return a.area=a.area||[],"width:"+(a.area[0]||"500px")+"; height:"+(a.area[1]||"300px")+'">'}()+'<span class="xubox_tabmove"></span>'+'<div class="xubox_tabtit">'+function(){var a=c.length,b=1,d="";if(a>0)for(d='<span class="xubox_tabnow">'+c[0].title+"</span>";a>b;b++)d+="<span>"+c[b].title+"</span>";return d}()+"</div>"+'<ul class="xubox_tab_main">'+function(){var a=c.length,b=1,d="";if(a>0)for(d='<li class="xubox_tabli xubox_tab_layer">'+(c[0].content||"content未传入")+"</li>";a>b;b++)d+='<li class="xubox_tabli">'+(c[b].content||"content未传入")+"</li>";return d}()+"</ul>"+'<span class="xubox_tabclose" title="关闭">X</span>'+"</div>"},success:function(a){var b=$(".xubox_tabtit").children(),c=$(".xubox_tab_main").children(),d=$(".xubox_tabclose");b.on("click",function(){var a=$(this),b=a.index();a.addClass("xubox_tabnow").siblings().removeClass("xubox_tabnow"),c.eq(b).show().siblings().hide()}),d.on("click",function(){layer.close(a.attr("times"))})}};return $.layer(d)},layer.photos=function(a){var b,c,d,e,f,g,h,i;if(a=a||{},b={imgIndex:1,end:null,html:$("html")},c=$(window),d=a.json,e=a.page,d){if(f=d.data,1!==d.status)return layer.msg("未请求到数据",2,8),void 0;if(b.imgLen=f.length,!(f.length>0))return layer.msg("没有任何图片",2,8),void 0;b.thissrc=f[d.start].src,b.pid=f[d.start].pid,b.imgsname=d.title||"",b.name=f[d.start].name,b.imgIndex=d.start+1}else g=$(e.parent).find("img"),h=g.eq(e.start),b.thissrc=h.attr("layer-img")||h.attr("src"),b.pid=h.attr("pid"),b.imgLen=g.length,b.imgsname=e.title||"",b.name=h.attr("alt"),b.imgIndex=e.start+1;return i={type:1,border:[0],area:[(a.html?915:600)+"px","auto"],title:!1,shade:[.9,"#000",!0],shadeClose:!0,offset:["25px",""],bgcolor:"",page:{html:'<div class="xubox_bigimg"><img src="'+b.thissrc+'" alt="'+(b.name||"")+'" layer-pid="'+(b.pid||"")+'"><div class="xubox_imgsee">'+function(){return b.imgLen>1?'<a href="" class="xubox_iconext xubox_prev"></a><a href="" class="xubox_iconext xubox_next"></a>':""}()+'<div class="xubox_imgbar"><span class="xubox_imgtit"><a href="javascript:;">'+b.imgsname+" </a><em>"+b.imgIndex+"/"+b.imgLen+"</em></span></div></div></div>"+function(){return a.html?'<div class="xubox_intro">'+a.html+"</div>":""}()},success:function(a){b.bigimg=a.find(".xubox_bigimg"),b.imgsee=b.bigimg.find(".xubox_imgsee"),b.imgbar=b.imgsee.find(".xubox_imgbar"),b.imgtit=b.imgbar.find(".xubox_imgtit"),b.layero=a;var c=b.imgs=b.bigimg.find("img");clearTimeout(b.timerr),b.timerr=setTimeout(function(){$("html").css("overflow","hidden").attr("layer-full",b.index)},10),c.load(function(){b.imgarea=[c.outerWidth(),c.outerHeight()],b.resize(a)}),b.event()},end:function(){layer.closeAll(),b.end=!0}},b.event=function(){b.bigimg.hover(function(){b.imgsee.show()},function(){b.imgsee.hide()}),i.imgprev=function(){b.imgIndex--,b.imgIndex<1&&(b.imgIndex=b.imgLen),b.tabimg()},b.bigimg.find(".xubox_prev").on("click",function(a){a.preventDefault(),i.imgprev()}),i.imgnext=function(){b.imgIndex++,b.imgIndex>b.imgLen&&(b.imgIndex=1),b.tabimg()},b.bigimg.find(".xubox_next").on("click",function(a){a.preventDefault(),i.imgnext()}),$(document).keyup(function(a){if(!b.end){var c=a.keyCode;a.preventDefault(),37===c?i.imgprev():39===c?i.imgnext():27===c&&layer.close(b.index)}}),b.tabimg=function(){var e,h,i,j,k;b.imgs.removeAttr("style"),d?(j=f[b.imgIndex-1],e=j.src,h=j.pid,i=j.name):(k=g.eq(b.imgIndex-1),e=k.attr("layer-img")||k.attr("src"),h=k.attr("layer-pid")||"",i=k.attr("alt")||""),b.imgs.attr({src:e,"layer-pid":h,alt:i}),b.imgtit.find("em").text(b.imgIndex+"/"+b.imgLen),b.imgsee.show(),a.tab&&a.tab({pid:h,name:i})}},b.resize=function(d){var g,e={},f=[c.width(),c.height()];e.limit=f[0]-f[0]/f[1]*(60*f[0]/f[1]),e.limit<600&&(e.limit=600),g=[e.limit,f[1]>400?f[1]-50:400],g[0]=a.html?g[0]:g[0]-300,layer.area(b.index,{width:g[0]+(a.html?15:0),height:g[1]}),e.flwidth=g[0]-(a.html?300:0),b.imgarea[0]>e.flwidth?b.imgs.css({width:e.flwidth}):b.imgs.css({width:b.imgarea[0]}),b.imgs.outerHeight()<g[1]&&b.imgs.css({top:(g[1]-b.imgs.outerHeight())/2}),b.imgs.css({visibility:"visible"}),b.bigimg.css({width:e.flwidth,height:g[1],"background-color":a.bgcolor}),a.html&&d.find(".xubox_intro").css({height:g[1]}),e=null,f=null,g=null},c.on("resize",function(){b.end||(b.timer&&clearTimeout(b.timer),b.timer=setTimeout(function(){b.resize(b.layero)},200))}),b.index=$.layer(i),b.index},layer.photosPage=function(a){var b={};b.run=function(b){layer.photos({html:a.html,success:a.success,page:{title:a.title,id:a.id,start:b,parent:a.parent}})},a=a||{},$(a.parent).find("img").each(function(a){$(this).on("click",function(){b.run(a)})})};