btc_wev8.js
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function BTC(){
/*----------------和业务有关的公用函数Start-----------------*/
if(!window.getBTC){
if(!window.BTCArray){
window.BTCArray=[];
}
window.getBTC=(function(){
return new Function("id","for(var i=0;i<BTCArray.length;i++){if(BTCArray[i].id == id) return BTCArray[i]}");
})()
}
var typeObj = function(type){
return new Function('o', "return Object.prototype.toString.call(o)=='[object " + type + "]'");
};
var isObj = typeObj("Object");
var isArray = typeObj("Array");
var x;
var initAjax = function(){
try {
x = new ActiveXObject("Msxml2.XMLHTTP");//IE高版本创建XMLHTTP
}catch(E) {
try {
x = new ActiveXObject("Microsoft.XMLHTTP");//IE低版本创建XMLHTTP
}
catch(E) {
x = new XMLHttpRequest();//兼容非IE浏览器，直接创建XMLHTTP对象
}
}
return x;
}
/*----------------和业务有关的公用函数End-----------------*/
/*默认显示配置及用户当前配置*/
var dftCfg = {
id:(function(){
return new Date().getTime();
})(),
renderTo: null, //选框依附位置
headerURL:null, //标题栏地址
contentURL:null, //内容地址
autoLoadContent:true, //是否初始化时加载详细
contentHeight:null, //详细区域最大高度
contentHandler:null,//详细内容点击事件
needAdjustPos:true, //是否需要自动调整位置
splitNum:4 //详细内容每多少个分词换行
},curCfg = {};
var $btc = this;
$btc.version="1.0";
$btc.loaded = false;
$btc.pubDate="2014-12-9",
/**
* 存储所有子字段id
*/
$btc.itemids = [];
/**
* 存储所有分组id
*/
$btc.groupids = [];
/**
* 清空字段记忆
*/
$btc.reset = function(){
$this.itemids = [];
$this.groupids = [];
itemnames =[],itemtops=[],groups=[];
}
/**
* 过滤重复id字段
*/
$btc.multifilter = function(id,o){
for(var i=0;i<o.length;i++){
if(o[i] == id){
return false;
}
}
o.push(id);
return true;
}
$btc.apply=function(o,c,d){
if(d){
$btc.apply(o,d);
}
if(o&&c&&isObj(c)){
for( var p in c){
o[p] = c[p];
}
}
return o;
};
$btc.init=function(options){
$btc.apply(curCfg,options,dftCfg);
$btc.apply(this,curCfg);
window.BTCArray.push(this);
var _html = ["<div class='btc_container' id='container_"+curCfg.id+"'>",
"<div class = 'btc-header' style='background: #f5f5f5 !important;'>",
"<table class = 'btc-header-table'>",
"<colgroup>",
"<col width='70px'>",
"<col width='*'>",
"</colgroup>",
"<tr>",
"<td style='background: #f5f5f5 !important;'>",
"<ul class = 'btc-header-ul'>",
"<li onclick=javascript:getBTC('"+curCfg.id+"').contentAjaxHandler(this) class = 'btc-header-li li-highlight'>全部分类</li>",
"</ul>",
"</td><td style='background: #f5f5f5 !important;'>",
"<ul class = 'btc-header-ul' id='btc-header-ul"+curCfg.id+"'>",
"</ul>",
"</td>",
"</tr>",
"</table>",
"</div>",
"<div class = 'btc-browser' id='btc_"+curCfg.id+"'>",
"</div>",
"</div>"
];
curCfg.renderTo.append(_html.join(''));
if(!!curCfg.contentHeight){
$("#btc_"+curCfg.id).css("max-height",curCfg.contentHeight);
}
$btc.headAjaxHandler();
};
$btc.resetPosition = function(){
if(!curCfg.needAdjustPos){
return;
}
var $currBtc = $("#container_"+curCfg.id);
var left = $currBtc.offset().left;
var top = $currBtc.offset().top;
var width = $currBtc.width();
var height = $currBtc.height();
var winWidth = $(document.body).offset().left+$(document.body).width();
var winHeight = $(document.body).offset().top+$(document.body).height();
if(left+width > winWidth){
$currBtc.animate({
right:0
},500);
}
if(top+height>winHeight){
$("#btc_"+curCfg.id).animate({
maxHeight:winHeight-top-$(".btc-header").height()-50-10,
minHeight:70
},500);
$("#btc_"+curCfg.id).niceScroll();
}
if(window.width < $("#container_"+curCfg.id).width()){
$("#container_"+curCfg.id).width(window.width-5);
}
}
$btc.eventList=[];
$btc.addEvent=(function(){
return new Function("env","fn","obj","obj=obj||document;window.attachEvent?obj.detachEvent('on'+env,fn):obj.removeEventListener(env,fn,false);window.attachEvent?obj.attachEvent('on'+env,fn):obj.addEventListener(env,fn,false);this.eventList.push([env,fn,obj]);");
})();//事件绑定
$btc.detachEvent=(function(){
return new Function('env','fn','obj',"obj=obj||document;window.attachEvent?obj.detachEvent('on'+env,fn):obj.removeEventListener(env,fn,false);");
})(); //取消事件绑定
$btc.clickHandler = function(event){
var e = event || window.event;
var $container = $("#container_"+curCfg.id);
var mousePos = [e.clientX,e.clientY];
var containPos = [$container.offset().left,$container.offset().top];
var $height = $container.height();
var $width = $container.width();
if(mousePos[0]<containPos[0]||
mousePos[1]<containPos[1]||
mousePos[0]>containPos[0]+$width||
mousePos[1]>containPos[1]+$height){
$container.remove();
}
}
$btc.remove = function(){
$("#container_"+curCfg.id).remove();
}
$btc.setContainerStyle = function(o,c){
var t,s;
if(isArray(o)&&isArray(c)){
while(t = o.shift()){
s=c.shift();
$("#container_"+curCfg.id).css(t,s);
}
}
}
$btc.headAjaxHandler=function(){
if(!curCfg.headerURL){
return;
}
x = initAjax(); //创建XMLHttpRequest对象
x.open("post", curCfg.headerURL, true);
x.setRequestHeader("Content-Type","application/x-www-form-urlencoded;charset=UTF-8");
x.onreadystatechange = function(){
if (x.readyState == 4) {
if (x.status == 200) {
var json = eval('('+x.responseText+')');
var vk = json.map;
if(!isArray(vk)){
return;
}
var o;
while(o = vk.shift()){
$("#btc-header-ul"+curCfg.id).append('<li onclick=javascript:getBTC('+curCfg.id+').contentFilter(this,"'+o.key+'") class = "btc-header-li">'+o.value+'</li>');
}
if(curCfg.autoLoadContent){
$btc.contentAjaxHandler();
}
}
}
}; //指定响应函数
x.send(null);
};
$btc.contentAjaxHandler=function(){
if(!curCfg.contentURL){
return;
}
x = initAjax(); //创建XMLHttpRequest对象
x.open("post", curCfg.contentURL, true);
x.setRequestHeader("Content-Type","application/x-www-form-urlencoded;charset=UTF-8");
x.onreadystatechange = function(){
if (x.readyState == 4) {
if (x.status == 200) {
$btc.itemids = [];
$("#btc_"+curCfg.id).html('');
var json = eval('('+x.responseText+')');
var kv = json.groups;
if(!isArray(kv)){
return;
}
var o;
while(o = kv.shift()){
var _html = [];
if(kv.length == 0){
_html.push('<div id=group_'+o.groupid+' class = "btc-browser-item btc-browser-lastitem">');
}else{
_html.push('<div id=group_'+o.groupid+' class = "btc-browser-item">');
}
_html.push('<table align="center">');
_html.push('<colgroup><col width="62px"><col width="*"></colgroup><tr>');
_html.push('<td class="btc-browser-item-theader" style="background: #fff !important;width:62px !important;border-bottom:0px !important;">');
_html.push('<div class="btc-head-div" title='+o.groupname+'>');
_html.push(o.groupname);
_html.push('</div>');
_html.push('<span class="btc-browser-item-theader-span">|</span>');
_html.push('</td><td style="background: #fff !important;border-bottom:0px !important;">');
var p;
var m=0;
var mark = o.items.length;
while(p = o.items.shift()){
if($btc.multifilter(p.key,$btc.itemids)==false){
continue;
}
if(m%curCfg.splitNum==0&&m != 0){
_html.push('<br>');
}else{
if(o.items.length != mark-1){
_html.push('<span class="split">|</span>');
}
}
m++;
_html.push('<span class="item-to-choose" onclick="javascript:getBTC('+curCfg.id+').contentHandler('+p.key+')">'+p.value+'</span>');
}
if(o.items.length == 0){
_html.push(" ");
}
_html.push('</td></tr></table></div>');
$("#btc_"+curCfg.id).append(_html.join(''));
$("#btc_"+curCfg.id).niceScroll({
cursorwidth:"5px",
cursorcolor:"#3574d3",
horizrailenabled:false
});
}
$btc.resetPosition();
$btc.loaded = true;
}
}
}; //指定响应函数
x.send(null);
};
$btc.contentFilter=function(o,k){
if($btc.loaded == false){
$btc.contentAjaxHandler();
}
$(".btc-header-li-current").removeClass("btc-header-li-current");
$(o).addClass("btc-header-li-current");
var timetask = setInterval(function(){
if($btc.loaded == true){
$(".btc-browser-item").each(function(){
$(this).hide();
});
if(!!k){
$("#group_"+k).show();
$("#group_"+k).addClass("btc-browser-lastitem");
}else{
$(".btc-browser-item").each(function(){
$(this).show();
});
}
clearInterval(timetask);
}
},100);
}
}