672 lines
21 KiB
JavaScript
672 lines
21 KiB
JavaScript
//MzTreeView1.0网页树类, 在实例化的时候请把实例名作参数传递进来
|
||
function MzTreeView(Tname)
|
||
{
|
||
if(typeof(Tname) != "string" || Tname == "")
|
||
throw(new Error(-1, '创建类实例的时候请把类实例的引用变量名传递进来!'));
|
||
|
||
//【property】
|
||
this.url = "#";
|
||
this.target = "_self";
|
||
this.name = Tname;
|
||
this.wordLine = false;
|
||
this.currentNode = null;
|
||
this.useArrow = true;
|
||
this.nodes = {};
|
||
this.node = {};
|
||
this.names = "";
|
||
this._d = "\x0f";
|
||
this.index = 0;
|
||
this.divider = "_";
|
||
this.node["0"] =
|
||
{
|
||
"id": "0",
|
||
"path": "0",
|
||
"isLoad": false,
|
||
"childNodes": [],
|
||
"childAppend": "",
|
||
"sourceIndex": "0"
|
||
};
|
||
|
||
this.colors =
|
||
{
|
||
"highLight" : "#0A246A",
|
||
"highLightText" : "#FFFFFF",
|
||
"mouseOverBgColor" : "#D4D0C8"
|
||
};
|
||
this.icons = {
|
||
L0 : 'L0.gif', //┏
|
||
L1 : 'L1.gif', //┣
|
||
L2 : 'L2.gif', //┗
|
||
L3 : 'L3.gif', //━
|
||
L4 : 'L4.gif', //┃
|
||
PM0 : 'P0.gif', //+┏
|
||
PM1 : 'P1.gif', //+┣
|
||
PM2 : 'P2.gif', //+┗
|
||
PM3 : 'P3.gif', //+━
|
||
empty : 'L5.gif', //空白图
|
||
root : 'root.gif', //缺省的根节点图标
|
||
folder : 'folder.gif', //缺省的文件夹图标
|
||
file : 'file.gif', //缺省的文件图标
|
||
exit : 'exit.gif'
|
||
};
|
||
this.iconsExpand = { //存放节点图片在展开时的对应图片
|
||
PM0 : 'M0.gif', //-┏
|
||
PM1 : 'M1.gif', //-┣
|
||
PM2 : 'M2.gif', //-┗
|
||
PM3 : 'M3.gif', //-━
|
||
folder : 'folderopen.gif',
|
||
|
||
exit : 'exit.gif'
|
||
};
|
||
|
||
//扩展 document.getElementById(id) 多浏览器兼容性
|
||
//id 要查找的对象 id
|
||
this.getElementById = function(id)
|
||
{
|
||
if (typeof(id) != "string" || id == "") return null;
|
||
if (document.getElementById) return document.getElementById(id);
|
||
if (document.all) return document.all(id);
|
||
try {return eval(id);} catch(e){ return null;}
|
||
}
|
||
|
||
//MzTreeView 初始化入口函数
|
||
this.toString = function()
|
||
{
|
||
this.browserCheck();
|
||
this.dataFormat();
|
||
this.setStyle();
|
||
this.load("0");
|
||
var rootCN = this.node["0"].childNodes;
|
||
var str = "<A id='"+ this.name +"_RootLink' href='#' style='DISPLAY: none'></A>";
|
||
|
||
if(rootCN.length>0)
|
||
{
|
||
this.node["0"].hasChild = true;
|
||
for(var i=0; i<rootCN.length; i++)
|
||
str += this.nodeToHTML(rootCN[i], i==rootCN.length-1);
|
||
setTimeout(this.name +".expand('"+ rootCN[0].id +"', true); "+
|
||
this.name +".focusClientNode('"+ rootCN[0].id +"'); "+ this.name +".atRootIsEmpty()",10);
|
||
}
|
||
|
||
if (this.useArrow) //使用方向键控制跳转到上级下级父级子级节点
|
||
{
|
||
if (document.attachEvent)
|
||
document.attachEvent("onkeydown", this.onkeydown);
|
||
else if (document.addEventListener)
|
||
document.addEventListener('keydown', this.onkeydown, false);
|
||
}
|
||
return "<DIV class='' "+
|
||
"onclick='"+ this.name +".clickHandle(event)' "+
|
||
"ondblclick='"+ this.name +".dblClickHandle(event)' "+
|
||
">"+ str +"</DIV>";
|
||
};
|
||
|
||
this.onkeydown= function(e)
|
||
{
|
||
e = window.event || e; var key = e.keyCode || e.which;
|
||
switch(key)
|
||
{
|
||
case 37 : eval(Tname).upperNode(); break; //Arrow left, shrink child node
|
||
case 38 : eval(Tname).pervNode(); break; //Arrow up
|
||
case 39 : eval(Tname).lowerNode(); break; //Arrow right, expand child node
|
||
case 40 : eval(Tname).nextNode(); break; //Arrow down
|
||
}
|
||
};
|
||
}
|
||
|
||
//浏览器类型及版本检测
|
||
MzTreeView.prototype.browserCheck = function()
|
||
{
|
||
var ua = window.navigator.userAgent.toLowerCase(), bname;
|
||
if(/msie/i.test(ua))
|
||
{
|
||
this.navigator = /opera/i.test(ua) ? "opera" : "";
|
||
if(!this.navigator) this.navigator = "msie";
|
||
}
|
||
else if(/gecko/i.test(ua))
|
||
{
|
||
var vendor = window.navigator.vendor.toLowerCase();
|
||
if(vendor == "firefox") this.navigator = "firefox";
|
||
else if(vendor == "netscape") this.navigator = "netscape";
|
||
else if(vendor == "") this.navigator = "mozilla";
|
||
}
|
||
else this.navigator = "msie";
|
||
if(window.opera) this.wordLine = false;
|
||
};
|
||
|
||
//给 TreeView 树加上样式设置
|
||
MzTreeView.prototype.setStyle = function()
|
||
{
|
||
/*
|
||
width: 16px; \
|
||
height: 16px; \
|
||
width: 20px; \
|
||
height: 20px; \
|
||
*/
|
||
var style = "<style>"+
|
||
"DIV.MzTreeView DIV IMG{border: 0px solid #FFFFFF;}"+
|
||
"DIV.MzTreeView DIV SPAN IMG{border: 0px solid #FFFFFF;}";
|
||
//if(this.wordLine)
|
||
if(false)
|
||
{
|
||
style +="\
|
||
DIV.MzTreeView DIV\
|
||
{\
|
||
height: 20px;"+
|
||
(this.navigator=="firefox" ? "line-height: 20px;" : "" ) +
|
||
(this.navigator=="netscape" ? "" : "overflow: hidden;" ) +"\
|
||
}\
|
||
DIV.MzTreeView DIV SPAN\
|
||
{\
|
||
vertical-align: middle; font-size: 21px; height: 20px; color: #D4D0C8; cursor: default;\
|
||
}\
|
||
DIV.MzTreeView DIV SPAN.pm\
|
||
{\
|
||
width: "+ (this.navigator=="msie"||this.navigator=="opera" ? "11" : "9") +"px;\
|
||
height: "+ (this.navigator=="netscape"?"9":(this.navigator=="firefox"?"10":"11")) +"px;\
|
||
font-size: 7pt;\
|
||
overflow: hidden;\
|
||
margin-left: -16px;\
|
||
margin-right: 5px;\
|
||
color: #000080; \
|
||
vertical-align: middle;\
|
||
border: 1px solid #D4D0C8;\
|
||
cursor: "+ (this.navigator=="msie" ? "hand" : "pointer") +";\
|
||
padding: 0 2px 0 2px;\
|
||
text-align: center;\
|
||
background-color: #F0F0F0;\
|
||
}";
|
||
}
|
||
style += "<\/style>";
|
||
document.write(style);
|
||
};
|
||
|
||
//当根节点为空的时候做的处理
|
||
MzTreeView.prototype.atRootIsEmpty = function()
|
||
{
|
||
var RCN = this.node["0"].childNodes;
|
||
for(var i=0; i<RCN.length; i++)
|
||
{
|
||
if(!RCN[i].isLoad) this.expand(RCN[i].id);
|
||
if (RCN[i].text=="")
|
||
{
|
||
var node = RCN[i].childNodes[0], HCN = node.hasChild;
|
||
//if(this.wordLine)
|
||
if(false)
|
||
{
|
||
var span = this.getElementById(this.name +"_tree_"+ node.id);
|
||
span = span.childNodes[0].childNodes[0].childNodes[0];
|
||
span.innerHTML = RCN[i].childNodes.length>1 ? "┌" : "─";
|
||
}
|
||
else
|
||
{
|
||
node.iconExpand = RCN[i].childNodes.length>1 ? HCN ? "PM0" : "L0" : HCN ? "PM3" : "L3"
|
||
this.getElementById(this.name +"_expand_"+ node.id).src = this.icons[node.iconExpand].src;
|
||
}
|
||
}
|
||
}
|
||
};
|
||
|
||
//初始化数据源里的数据以便后面的快速检索
|
||
MzTreeView.prototype.dataFormat = function()
|
||
{
|
||
var a = new Array();
|
||
for (var id in this.nodes) a[a.length] = id;
|
||
this.names = a.join(this._d + this._d);
|
||
this.totalNode = a.length; a = null;
|
||
};
|
||
|
||
//在数据源检索所需的数据节点
|
||
//id 客户端节点对应的id
|
||
MzTreeView.prototype.load = function(id)
|
||
{
|
||
var node = this.node[id], d = this.divider, _d = this._d;
|
||
var sid = node.sourceIndex.substr(node.sourceIndex.indexOf(d) + d.length);
|
||
var reg = new RegExp("(^|"+_d+")"+ sid +d+"[^"+_d+d +"]+("+_d+"|$)", "g");
|
||
var cns = this.names.match(reg), tcn = this.node[id].childNodes; if (cns){
|
||
reg = new RegExp(_d, "g"); for (var i=0; i<cns.length; i++)
|
||
tcn[tcn.length] = this.nodeInit(cns[i].replace(reg, ""), id); }
|
||
node.isLoad = true;
|
||
};
|
||
|
||
//初始化节点信息, 根据 this.nodes 数据源生成节点的详细信息
|
||
//sourceIndex 数据源中的父子节点组合的字符串 0_1
|
||
//parentId 当前树节点在客户端的父节点的 id
|
||
MzTreeView.prototype.nodeInit = function(sourceIndex, parentId)
|
||
{
|
||
this.index++;
|
||
var source= this.nodes[sourceIndex], d = this.divider;
|
||
var text = this.getAttribute(source, "text");
|
||
var hint = this.getAttribute(source, "hint");
|
||
var sid = sourceIndex.substr(sourceIndex.indexOf(d) + d.length);
|
||
this.node[this.index] =
|
||
{
|
||
"id" : this.index,
|
||
"text" : text,
|
||
"hint" : hint ? hint : text,
|
||
"icon" : this.getAttribute(source, "icon"),
|
||
"path" : this.node[parentId].path + d + this.index,
|
||
"isLoad": false,
|
||
"isExpand": false,
|
||
"parentId": parentId,
|
||
"parentNode": this.node[parentId],
|
||
"sourceIndex" : sourceIndex,
|
||
"childAppend" : ""
|
||
};
|
||
this.nodes[sourceIndex] = "index:"+ this.index +";"+ source;
|
||
this.node[this.index].hasChild = this.names.indexOf(this._d + sid + d)>-1;
|
||
if(this.node[this.index].hasChild) this.node[this.index].childNodes = [];
|
||
return this.node[this.index];
|
||
};
|
||
|
||
//从XML格式字符串里提取信息
|
||
//source 数据源里的节点信息字符串(以后可以扩展对XML的支持)
|
||
//name 要提取的属性名
|
||
MzTreeView.prototype.getAttribute = function(source, name)
|
||
{
|
||
var reg = new RegExp("(^|;|\\s)"+ name +"\\s*:\\s*([^;]*)(\\s|;|$)", "i");
|
||
if (reg.test(source)) return RegExp.$2.replace(/[\x0f]/g, ";"); return "";
|
||
};
|
||
|
||
//根据节点的详细信息生成HTML
|
||
//node 树在客户端的节点对象
|
||
//AtEnd 布尔值 当前要转换的这个节点是否为父节点的子节点集中的最后一项
|
||
MzTreeView.prototype.nodeToHTML = function(node, AtEnd)
|
||
{
|
||
var source = this.nodes[node.sourceIndex];
|
||
var target = this.getAttribute(source, "target");
|
||
var data = this.getAttribute(source, "data");
|
||
var url = this.getAttribute(source, "url");
|
||
if(!url) url = this.url;
|
||
if(data) url += (url.indexOf("?")==-1?"?":"&") + data;
|
||
if(!target) target = this.target;
|
||
|
||
var id = node.id;
|
||
var HCN = node.hasChild, isRoot = node.parentId=="0";
|
||
if(isRoot && node.icon=="") node.icon = "root";
|
||
if(node.icon=="" || typeof(this.icons[node.icon])=="undefined")
|
||
node.icon = HCN ? "folder" : "file";
|
||
node.iconExpand = AtEnd ? "└" : "├";
|
||
|
||
var HTML = "<DIV noWrap='True'><NOBR>";
|
||
if(!isRoot)
|
||
{
|
||
node.childAppend = node.parentNode.childAppend + (AtEnd ? " " : "│");
|
||
// if(this.wordLine)
|
||
if(false)
|
||
{
|
||
HTML += "<SPAN>"+ node.parentNode.childAppend + (AtEnd ? "└" : "├") +"</SPAN>";
|
||
if(HCN) HTML += "<SPAN class='pm' id='"+ this.name +"_expand_"+ id +"'>+</SPAN>";
|
||
}
|
||
else
|
||
{
|
||
node.iconExpand = HCN ? AtEnd ? "PM2" : "PM1" : AtEnd ? "L2" : "L1";
|
||
HTML += "<SPAN>"+ this.word2image(node.parentNode.childAppend) +"<IMG "+
|
||
"align='absmiddle' id='"+ this.name +"_expand_"+ id +"' "+
|
||
"src='"+ this.icons[node.iconExpand].src +"' style='cursor: "+ (!node.hasChild ? "":
|
||
(this.navigator=="msie"||this.navigator=="opera"? "hand" : "pointer")) +"'></SPAN>";
|
||
}
|
||
}
|
||
HTML += "<IMG "+
|
||
"align='absMiddle' "+
|
||
"id='"+ this.name +"_icon_"+ id +"' "+
|
||
"src='"+ this.icons[node.icon].src +"'><A "+
|
||
"class='MzTreeview' hideFocus "+
|
||
"id='"+ this.name +"_link_"+ id +"' "+
|
||
"href='"+ url +"' "+
|
||
"target='"+ target +"' "+
|
||
"title='"+ node.hint +"' "+
|
||
"onfocus=\""+ this.name +".focusLink('"+ id +"')\" "+
|
||
"onclick=\"return "+ this.name +".nodeClick('"+ id +"')\">"+ node.text +
|
||
"</A></NOBR></DIV>";
|
||
if(isRoot && node.text=="") HTML = "";
|
||
|
||
HTML = "\r\n<SPAN id='"+ this.name +"_tree_"+ id +"'>"+ HTML
|
||
HTML +="<SPAN style='DISPLAY: none'></SPAN></SPAN>";
|
||
return HTML;
|
||
};
|
||
|
||
//在使用图片的时候对 node.childAppend 的转换
|
||
MzTreeView.prototype.word2image = function(word)
|
||
{
|
||
var str = "";
|
||
for(var i=0; i<word.length; i++)
|
||
{
|
||
var img = "";
|
||
switch (word.charAt(i))
|
||
{
|
||
case "│" : img = "L4"; break;
|
||
case "└" : img = "L2"; break;
|
||
case " " : img = "empty"; break;
|
||
case "├" : img = "L1"; break;
|
||
case "─" : img = "L3"; break;
|
||
case "┌" : img = "L0"; break;
|
||
}
|
||
if(img!="")
|
||
str += "<IMG align='absMiddle' src='"+ this.icons[img].src +"' height='20'>";
|
||
}
|
||
return str;
|
||
}
|
||
|
||
|
||
//将某个节点下的所有子节点转化成详细的<HTML>元素表达
|
||
//id 树的客户端节点 id
|
||
MzTreeView.prototype.buildNode = function(id)
|
||
{
|
||
if(this.node[id].hasChild)
|
||
{
|
||
var tcn = this.node[id].childNodes, str = "";
|
||
for (var i=0; i<tcn.length; i++)
|
||
str += this.nodeToHTML(tcn[i], i==tcn.length-1);
|
||
var temp = this.getElementById(this.name +"_tree_"+ id).childNodes;
|
||
temp[temp.length-1].innerHTML = str;
|
||
}
|
||
};
|
||
|
||
//聚集到客户端生成的某个节点上
|
||
//id 客户端树节点的id
|
||
MzTreeView.prototype.focusClientNode = function(id)
|
||
{
|
||
if(!this.currentNode) this.currentNode=this.node["0"];
|
||
|
||
var a = this.getElementById(this.name +"_link_"+ id); if(a){ a.focus();
|
||
var link = this.getElementById(this.name +"_link_"+ this.currentNode.id);
|
||
if(link)with(link.style){color=""; backgroundColor="";}
|
||
with(a.style){color = this.colors.highLightText;
|
||
backgroundColor = this.colors.highLight;}
|
||
this.currentNode= this.node[id];}
|
||
};
|
||
|
||
//焦点聚集到树里的节点链接时的处理
|
||
//id 客户端节点 id
|
||
MzTreeView.prototype.focusLink= function(id)
|
||
{
|
||
if(this.currentNode && this.currentNode.id==id) return;
|
||
this.focusClientNode(id);
|
||
};
|
||
|
||
//点击展开树节点的对应方法
|
||
MzTreeView.prototype.expand = function(id, sureExpand)
|
||
{
|
||
var node = this.node[id];
|
||
if (sureExpand && node.isExpand) return;
|
||
if (!node.hasChild) return;
|
||
var area = this.getElementById(this.name +"_tree_"+ id);
|
||
if (area) area = area.childNodes[area.childNodes.length-1];
|
||
if (area)
|
||
{
|
||
var icon = this.icons[node.icon];
|
||
var iconE = this.iconsExpand[node.icon];
|
||
var Bool = node.isExpand = sureExpand || area.style.display == "none";
|
||
var img = this.getElementById(this.name +"_icon_"+ id);
|
||
if (img) img.src = !Bool ? icon.src :typeof(iconE)=="undefined" ? icon.src : iconE.src;
|
||
var exp = this.icons[node.iconExpand];
|
||
var expE = this.iconsExpand[node.iconExpand];
|
||
var expand= this.getElementById(this.name +"_expand_"+ id);
|
||
if (expand)
|
||
{
|
||
//if(this.wordLine)
|
||
if(false)
|
||
expand.innerHTML = !Bool ? "+" : "-";
|
||
else expand.src = !Bool ? exp.src : typeof(expE) =="undefined" ? exp.src : expE.src;
|
||
}
|
||
if(!Bool && this.currentNode.path.indexOf(node.path)==0 && this.currentNode.id!=id)
|
||
{
|
||
try{this.getElementById(this.name +"_link_"+ id).click();}
|
||
catch(e){this.focusClientNode(id);}
|
||
}
|
||
area.style.display = !Bool ? "none" : "block";//(this.navigator=="netscape" ? "block" : "");
|
||
if(!node.isLoad)
|
||
{
|
||
this.load(id);
|
||
if(node.id=="0") return;
|
||
|
||
//当子节点过多时, 给用户一个正在加载的提示语句
|
||
if(node.hasChild && node.childNodes.length>200)
|
||
{
|
||
setTimeout(this.name +".buildNode('"+ id +"')", 1);
|
||
var temp = this.getElementById(this.name +"_tree_"+ id).childNodes;
|
||
temp[temp.length-1].innerHTML = "<DIV noWrap><NOBR><SPAN>"+ (this.wordLine ?
|
||
node.childAppend +"└" : this.word2image(node.childAppend +"└")) +"</SPAN>"+
|
||
"<IMG border='0' height='16' align='absmiddle' src='"+this.icons["file"].src+"'>"+
|
||
"<A style='background-Color: "+ this.colors.highLight +"; color: "+
|
||
this.colors.highLightText +"; font-size: 9pt'>请稍候...</A></NOBR></DIV>";
|
||
}
|
||
else this.buildNode(id);
|
||
}
|
||
}
|
||
};
|
||
|
||
//节点链接单击事件处理方法
|
||
//id 客户端树节点的 id
|
||
MzTreeView.prototype.nodeClick = function(id)
|
||
{
|
||
var source = this.nodes[this.node[id].sourceIndex];
|
||
id = this.getAttribute(source, "data");
|
||
id=id.replace("id=","");
|
||
var root=eval(this.getAttribute(source, "leaf"));//是否为叶子
|
||
if(root)
|
||
myclick(id);
|
||
else
|
||
rootclick(id);
|
||
return false;
|
||
};
|
||
|
||
//为配合系统初始聚集某节点而写的函数, 得到某节点在数据源里的路径
|
||
//sourceId 数据源里的节点 id
|
||
MzTreeView.prototype.getPath= function(sourceId)
|
||
{
|
||
|
||
Array.prototype.indexOf = function(item)
|
||
{
|
||
for(var i=0; i<this.length; i++)
|
||
{
|
||
if(this[i]==item) return i;
|
||
}
|
||
return -1;
|
||
};
|
||
var _d = this._d, d = this.divider;
|
||
var A = new Array(), id=sourceId; A[0] = id;
|
||
while(id!="0" && id!="")
|
||
{
|
||
var str = "(^|"+_d+")([^"+_d+d+"]+"+d+ id +")("+_d+"|$)";
|
||
if (new RegExp(str).test(this.names))
|
||
{
|
||
id = RegExp.$2.substring(0, RegExp.$2.indexOf(d));
|
||
if(A.indexOf(id)>-1) break;
|
||
A[A.length] = id;
|
||
}
|
||
else break;
|
||
}
|
||
return A.reverse();
|
||
};
|
||
|
||
//在源代码里指定 MzTreeView 初始聚集到某个节点
|
||
//sourceId 节点在数据源里的 id
|
||
MzTreeView.prototype.focus = function(sourceId, defer)
|
||
{
|
||
if (!defer)
|
||
{
|
||
setTimeout(this.name +".focus('"+ sourceId +"', true)", 100);
|
||
return;
|
||
}
|
||
var path = this.getPath(sourceId);
|
||
if(path[0]!="0")
|
||
{
|
||
alert("节点 "+ sourceId +" 没有正确的挂靠有效树节点上!\r\n"+
|
||
"节点 id 序列 = "+ path.join(this.divider));
|
||
return;
|
||
}
|
||
var root = this.node["0"], len = path.length;
|
||
for(var i=1; i<len; i++)
|
||
{
|
||
if(root.hasChild)
|
||
{
|
||
var sourceIndex= path[i-1] + this.divider + path[i];
|
||
for (var k=0; k<root.childNodes.length; k++)
|
||
{
|
||
if (root.childNodes[k].sourceIndex == sourceIndex)
|
||
{
|
||
root = root.childNodes[k];
|
||
if(i<len - 1) this.expand(root.id, true);
|
||
else this.focusClientNode(root.id);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
};
|
||
|
||
//树的单击事件处理函数
|
||
MzTreeView.prototype.clickHandle = function(e)
|
||
{
|
||
e = window.event || e; e = e.srcElement || e.target;
|
||
//alert(e.tagName)
|
||
switch(e.tagName)
|
||
{
|
||
case "IMG" :
|
||
if(e.id)
|
||
{
|
||
if(e.id.indexOf(this.name +"_icon_")==0)
|
||
this.focusClientNode(e.id.substr(e.id.lastIndexOf("_") + 1));
|
||
else if (e.id.indexOf(this.name +"_expand_")==0)
|
||
this.expand(e.id.substr(e.id.lastIndexOf("_") + 1));
|
||
}
|
||
break;
|
||
case "A" :
|
||
if(e.id) this.focusClientNode(e.id.substr(e.id.lastIndexOf("_") + 1));
|
||
break;
|
||
case "SPAN" :
|
||
if(e.className=="pm")
|
||
this.expand(e.id.substr(e.id.lastIndexOf("_") + 1));
|
||
break;
|
||
default :
|
||
if(this.navigator=="netscape") e = e.parentNode;
|
||
if(e.tagName=="SPAN" && e.className=="pm")
|
||
this.expand(e.id.substr(e.id.lastIndexOf("_") + 1));
|
||
break;
|
||
}
|
||
};
|
||
|
||
//MzTreeView 双击事件的处理函数
|
||
MzTreeView.prototype.dblClickHandle = function(e)
|
||
{
|
||
e = window.event || e; e = e.srcElement || e.target;
|
||
if((e.tagName=="A" || e.tagName=="IMG")&& e.id)
|
||
{
|
||
var id = e.id.substr(e.id.lastIndexOf("_") + 1);
|
||
if(this.node[id].hasChild) this.expand(id);
|
||
}
|
||
};
|
||
|
||
//回到树当前节点的父层节点
|
||
MzTreeView.prototype.upperNode = function()
|
||
{
|
||
if(!this.currentNode) return;
|
||
if(this.currentNode.id=="0" || this.currentNode.parentId=="0") return;
|
||
if (this.currentNode.hasChild && this.currentNode.isExpand)
|
||
this.expand(this.currentNode.id, false);
|
||
else this.focusClientNode(this.currentNode.parentId);
|
||
};
|
||
|
||
//展开当前节点并
|
||
MzTreeView.prototype.lowerNode = function()
|
||
{
|
||
if (!this.currentNode) this.currentNode = this.node["0"];
|
||
if (this.currentNode.hasChild)
|
||
{
|
||
if (this.currentNode.isExpand)
|
||
this.focusClientNode(this.currentNode.childNodes[0].id);
|
||
else this.expand(this.currentNode.id, true);
|
||
}
|
||
}
|
||
|
||
//聚集到树当前节点的上一节点
|
||
MzTreeView.prototype.pervNode = function()
|
||
{
|
||
if(!this.currentNode) return; var e = this.currentNode;
|
||
if(e.id=="0") return; var a = this.node[e.parentId].childNodes;
|
||
for(var i=0; i<a.length; i++){if(a[i].id==e.id){if(i>0){e=a[i-1];
|
||
while(e.hasChild){this.expand(e.id, true);
|
||
e = e.childNodes[e.childNodes.length - 1];}
|
||
this.focusClientNode(e.id); return;} else {
|
||
this.focusClientNode(e.parentId); return;}}}
|
||
};
|
||
|
||
//聚集到树当前节点的下一节点
|
||
MzTreeView.prototype.nextNode = function()
|
||
{
|
||
var e = this.currentNode; if(!e) e = this.node["0"];
|
||
if (e.hasChild){this.expand(e.id, true);
|
||
this.focusClientNode(e.childNodes[0].id); return;}
|
||
while(typeof(e.parentId)!="undefined"){
|
||
var a = this.node[e.parentId].childNodes;
|
||
for(var i=0; i<a.length; i++){ if(a[i].id==e.id){
|
||
if(i<a.length-1){this.focusClientNode(a[i+1].id); return;}
|
||
else e = this.node[e.parentId];}}}
|
||
};
|
||
|
||
//展开树的所有节点
|
||
MzTreeView.prototype.expandAll = function()
|
||
{
|
||
if(this.totalNode>500) if(
|
||
confirm("您是否要停止展开全部节点?\r\n\r\n节点过多!展开很耗时")) return;
|
||
if(this.node["0"].childNodes.length==0) return;
|
||
var e = this.node["0"].childNodes[0];
|
||
var isdo = t = false;
|
||
while(e.id != "0")
|
||
{
|
||
var p = this.node[e.parentId].childNodes, pn = p.length;
|
||
if(p[pn-1].id==e.id && (isdo || !e.hasChild)){e=this.node[e.parentId]; isdo = true;}
|
||
else
|
||
{
|
||
if(e.hasChild && !isdo)
|
||
{
|
||
this.expand(e.id, true), t = false;
|
||
for(var i=0; i<e.childNodes.length; i++)
|
||
{
|
||
if(e.childNodes[i].hasChild){e = e.childNodes[i]; t = true; break;}
|
||
}
|
||
if(!t) isdo = true;
|
||
}
|
||
else
|
||
{
|
||
isdo = false;
|
||
for(var i=0; i<pn; i++)
|
||
{
|
||
if(p[i].id==e.id) {e = p[i+1]; break;}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
};
|
||
|
||
//本树将要用动的图片的字义及预载函数
|
||
//path 图片存放的路径名
|
||
MzTreeView.prototype.setIconPath = function(path)
|
||
{
|
||
var k = 0, d = new Date().getTime();
|
||
for(var i in this.icons)
|
||
{
|
||
var tmp = this.icons[i];
|
||
this.icons[i] = new Image();
|
||
this.icons[i].src = path + tmp;
|
||
if(k==9 && (new Date().getTime()-d)>20)
|
||
this.wordLine = true; k++;
|
||
}
|
||
for(var i in this.iconsExpand)
|
||
{
|
||
var tmp = this.iconsExpand[i];
|
||
this.iconsExpand[i]=new Image();
|
||
this.iconsExpand[i].src = path + tmp;
|
||
}
|
||
};
|
||
|
||
//设置树的默认链接
|
||
//url 默认链接 若不设置, 其初始值为 #
|
||
MzTreeView.prototype.setURL = function(url){this.url = url;};
|
||
|
||
//设置树的默认的目标框架名 target
|
||
//target 目标框架名 若不设置, 其初始值为 _self
|
||
MzTreeView.prototype.setTarget = function(target){this.target = target;};
|
||
// -->
|