无限级可刷新Js树型导航菜单-JS特效-爱易网页

无限级可刷新Js树型导航菜单

日期：2014-05-18　浏览次数：20222 次

以下是程序代码

<html>

<head>
<title>无限级可刷新Js树型菜单</title>
<meta name="robots" content="无限级可刷新Js树型菜单" />
<meta name="description" content="无限级可刷新Js树型菜单" />

this.id = id;

this.pid = pid;

this.name = name;

this.url = url;

this.title = title;

this.target = target;

this.icon = icon;

this.iconOpen = iconOpen;

this._io = open || false;

this._is = false;

this._ls = false;

this._hc = false;

this._ai = 0;

this._p;

};

// Tree object

function dTree(objName) {

this.config = {

target: null,

folderLinks: true,

useSelection: true,

useCookies: true,

useLines: true,

useIcons: true,

useStatusText: false,

closeSameLevel: false,

inOrder: false

}

this.icon = {

root: 'http://www.qpsh.com/icon/wx/base.gif',

folder: 'http://www.qpsh.com/icon/wx/folder.gif',

folderOpen: 'http://www.qpsh.com/icon/wx/folderopen.gif',

node: 'http://www.qpsh.com/icon/wx/page.gif',

empty: 'http://www.qpsh.com/icon/wx/empty.gif',

line: 'http://www.qpsh.com/icon/wx/line.gif',

join: 'http://www.qpsh.com/icon/wx/join.gif',

joinBottom: 'http://www.qpsh.com/icon/wx/joinbottom.gif',

plus: 'http://www.qpsh.com/icon/wx/plus.gif',

plusBottom: 'http://www.qpsh.com/icon/wx/plusbottom.gif',

minus: 'http://www.qpsh.com/icon/wx/minus.gif',

minusBottom: 'http://www.qpsh.com/icon/wx/minusbottom.gif',

nlPlus: 'http://www.qpsh.com/icon/wx/nolines_plus.gif',

nlMinus: 'http://www.qpsh.com/icon/wx/nolines_minus.gif'

};

this.obj = objName;

this.aNodes = [];

this.aIndent = [];

this.root = new Node(-1);

this.selectedNode = null;

this.selectedFound = false;

this.completed = false;

};

// Adds a new node to the node array

dTree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open) {

this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open);

};

// Open/close all nodes

dTree.prototype.openAll = function() {

this.oAll(true);

};

dTree.prototype.closeAll = function() {

this.oAll(false);

};

// Outputs the tree to the page

dTree.prototype.toString = function() {

var str = '<div class="dtree">\n';

if (document.getElementById) {

if (this.config.useCookies) this.selectedNode = this.getSelected();

str += this.addNode(this.root);

} else str += 'Browser not supported.';

str += '</div>';

if (!this.selectedFound) this.selectedNode = null;

this.completed = true;

return str;

};

// Creates the tree structure

dTree.prototype.addNode = function(pNode) {

var str = '';

var n=0;

if (this.config.inOrder) n = pNode._ai;

for (n; n<this.aNodes.length; n++) {

if (this.aNodes[n].pid == pNode.id) {

var cn = this.aNodes[n];

cn._p = pNode;

cn._ai = n;

this.setCS(cn);

if (!cn.target && this.config.target) cn.target = this.config.target;

if (cn._hc && !cn._io && this.config.useCookies) cn._io = this.isOpen(cn.id);

if (!this.config.folderLinks && cn._hc) cn.url = null;

if (this.config.useSelection && cn.id == this.selectedNode && !this.selectedFound) {

cn._is = true;

this.selectedNode = n;

this.selectedFound = true;

}

str += this.node(cn, n);

if (cn._ls) break;

}

return str;

};

// Creates the node icon, url and text

dTree.prototype.node = function(node, nodeId) {

var str = '<div class="dTreeNode">' + this.indent(node, nodeId);

if (this.config.useIcons) {

if (!node.icon) node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc) ? th</div></div>

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