www.pudn.com > 物流管理系统.rar > treeMenu.js

var ImgDir; 
var indexOfEntries = new Array; 
var nEntries = 0; 
var doc = document; 
var browserVersion = 0; 
var auxs = new Array; 
var FolderOpenIcon = "fopen.gif"; 
var FolderCloseIcon = "fclose.gif"; 
var treeClass=0; 
var parentLevel=0; 
 
function SetFolderIcon(iOpen, iClose) 
{ 
	var aux; 
	if(!iOpen) 
	{ 
		iOpen = "fopen.gif"; 
		iClose = "fclose.gif"; 
	} 
 
	if(!iClose)iClose = iOpen; 
 
	aux = new Image(); 
	aux.src= ImgDir + iOpen; 
	aux = new Image(); 
	aux.src= ImgDir + iClose; 
 
	FolderOpenIcon = iOpen; 
	FolderCloseIcon = iClose; 
} 
 
function loadImages() 
{ 
	var aux; 
 
	aux = new Image(); 
	aux.src= ImgDir + "blank.gif"; 
	aux = new Image(); 
	aux.src= ImgDir + "lastnode.gif"; 
	aux = new Image(); 
	aux.src= ImgDir + "link.gif"; 
	aux = new Image(); 
	aux.src= ImgDir + "mlastnode.gif"; 
	aux = new Image(); 
	aux.src= ImgDir + "mnode.gif"; 
	aux = new Image(); 
	aux.src= ImgDir + "node.gif"; 
	aux = new Image(); 
	aux.src= ImgDir + "plastnode.gif"; 
	aux = new Image(); 
	aux.src= ImgDir + "pnode.gif"; 
	aux = new Image(); 
	aux.src= ImgDir + "vertline.gif"; 
} 
 
function Folder(folderDescription, isDefOpen) 
{ 
	this.desc = folderDescription; 
	this.id = -1; 
	this.navObj = 0; 
	this.iconImg = 0; 
	this.nodeImg = 0; 
	this.isLastNode = 0; 
	this.isDefOpen = isDefOpen; 
 
	this.isOpen = true; 
	this.iconSrc = FolderOpenIcon; 
	this.iconOpen = FolderOpenIcon; 
	this.iconClose = FolderCloseIcon; 
	this.children = new Array; 
	this.nChildren = 0; 
 
	this.initialize = initializeFolder; 
	this.setState = setStateFolder; 
	this.addChild = addChild; 
	this.createIndex = createEntryIndex; 
	this.hide = hideFolder; 
	this.display = display; 
	this.renderOb = drawFolder; 
	this.totalHeight = totalHeight; 
	this.subEntries = folderSubEntries; 
} 
 
function setStateFolder(isOpen) 
{ 
	var subEntries; 
	var totalHeight; 
	var fIt = 0; 
	var i=0; 
 
	if (isOpen == this.isOpen) 
		return; 
 
	if (browserVersion == 2) 
	{ 
		totalHeight = 0; 
		for (i=0; i < this.nChildren; i++) 
			totalHeight = totalHeight + this.children[i].navObj.clip.height; 
			subEntries = this.subEntries(); 
		if (this.isOpen) 
			totalHeight = 0 - totalHeight; 
		for (fIt = this.id + subEntries + 1; fIt < nEntries; fIt++) 
			indexOfEntries[fIt].navObj.moveBy(0, totalHeight); 
	} 
	this.isOpen = isOpen; 
	propagateChangesInState(this); 
} 
 
function propagateChangesInState(folder) 
{ 
	var i=0; 
 
	if (folder.isOpen) 
	{ 
		if (folder.nodeImg) 
			if (folder.isLastNode) 
				folder.nodeImg.src = ImgDir + "mlastnode.gif"; 
			else 
				folder.nodeImg.src = ImgDir + "mnode.gif"; 
		folder.iconImg.src = ImgDir + folder.iconOpen; 
		for (i=0; i 0) 
	{ 
		auxEv = "'; 
	} 
	else 
	{ 
		auxEv = ""; 
	} 
 
	if (level>0) 
		if (lastNode) 
		{ 
			this.renderOb(leftSide + auxEv + ""); 
			leftSide = leftSide + ""; 
			this.isLastNode = 1; 
		}else 
		{ 
			this.renderOb(leftSide + auxEv + ""); 
			leftSide = leftSide + ""; 
			this.isLastNode = 0; 
		} 
	else 
		this.renderOb(auxEv); 
 
	if (nc > 0) 
	{ 
		level = level + 1; 
		for (i=0 ; i < this.nChildren; i++) 
		{ 
			if (i == this.nChildren-1) 
				this.children[i].initialize(level, 1, leftSide); 
			else 
				this.children[i].initialize(level, 0, leftSide); 
			} 
	} 
} 
 
function drawFolder(leftSide) 
{ 
	if (browserVersion == 2) 
	{ 
		if (!doc.yPos) 
			doc.yPos=100; 
		doc.write("\n"); 
	} 
	doc.write(""); 
	doc.write(""); 
	doc.write("
"); 
	doc.write(leftSide); 
	doc.write(""); 
	doc.write("" + this.desc + ""); 
	doc.write("
"); 
	 
	if(browserVersion == 2) 
		doc.write(""); 
 
	if (browserVersion == 1) 
	{ 
		this.navObj = doc.all["folder"+this.id]; 
		this.iconImg = doc.all["folderIcon"+this.id]; 
		this.nodeImg = doc.all["nodeIcon"+this.id]; 
	}else if (browserVersion == 2) 
	{ 
		this.navObj = doc.layers["folder"+this.id]; 
		this.iconImg = this.navObj.document.images["folderIcon"+this.id]; 
		this.nodeImg = this.navObj.document.images["nodeIcon"+this.id]; 
		doc.yPos=doc.yPos+this.navObj.clip.height; 
	} 
} 
 
function addChild(childNode) 
{ 
	this.children[this.nChildren] = childNode; 
	this.nChildren++; 
	return childNode; 
} 
 
function folderSubEntries() 
{ 
	var i = 0; 
	var se = this.nChildren; 
 
	for (i=0; i < this.nChildren; i++) 
	{ 
		if (this.children[i].children) 
			se = se + this.children[i].subEntries(); 
	} 
 
	return se; 
} 
 
function Item(itemDescription, itemLink, itemIcon) 
{ 
	var aux 
 
	this.desc = itemDescription; 
	this.link = itemLink; 
	this.id = -1; 
	this.navObj = 0; 
	this.iconImg = 0; 
	if(itemIcon) 
	{ 
		this.iconSrc = itemIcon; 
 
		aux = new Image(); 
		aux.src= ImgDir + itemIcon; 
	}else this.iconSrc = "doc.gif"; 
 
	this.initialize = initializeItem; 
	this.createIndex = createEntryIndex; 
	this.hide = hideItem; 
	this.display = display; 
	this.renderOb = drawItem; 
	this.totalHeight = totalHeight; 
} 
 
function hideItem() 
{ 
	if (browserVersion == 1) 
	{ 
		if (this.navObj.style.display == "none") 
			return; 
		this.navObj.style.display = "none"; 
	}else 
	{ 
		if (this.navObj.visibility == "hiden") 
			return; 
		this.navObj.visibility = "hiden"; 
	} 
} 
 
function initializeItem(level, lastNode, leftSide) 
{ 
	this.createIndex(); 
 
	if (level>0) 
		if (lastNode) 
		{ 
			this.renderOb(leftSide + ""); 
			leftSide = leftSide + "" ; 
		} 
		else 
		{ 
			this.renderOb(leftSide + ""); 
			leftSide = leftSide + ""; 
		} 
	else 
		this.renderOb(""); 
} 
 
function drawItem(leftSide) 
{ 
	if (browserVersion == 2) 
		doc.write(""); 
	doc.write(""); 
	doc.write("
"); 
	doc.write(leftSide); 
	doc.write("'); 
	if(browserVersion == 2) 
	{ 
		doc.write(""+this.desc+""); 
	} 
	 
	doc.write(""); 
	doc.write("" + this.desc + ""); 
	doc.write("
"); 
 
	if (browserVersion == 2) 
		doc.write(""); 
 
	if (browserVersion == 1) 
	{ 
		this.navObj = doc.all["item"+this.id]; 
		this.iconImg = doc.all["itemIcon"+this.id]; 
	}else if (browserVersion == 2) 
	{ 
		this.navObj = doc.layers["item"+this.id]; 
		this.iconImg = this.navObj.document.images["itemIcon"+this.id]; 
		doc.yPos=doc.yPos+this.navObj.clip.height; 
	} 
} 
 
function display() 
{ 
	if (browserVersion == 1) 
		this.navObj.style.display = "block"; 
	else 
		this.navObj.visibility = "show"; 
} 
 
function createEntryIndex() 
{ 
	this.id = nEntries; 
	indexOfEntries[nEntries] = this; 
	nEntries++; 
} 
 
function totalHeight() 
{ 
	var h = this.navObj.clip.height; 
	var i = 0; 
 
	if (this.isOpen) 
		for (i=0 ; i < this.nChildren; i++); 
			h = h + this.children[i].totalHeight(); 
 
	return h; 
} 
 
function clickOnNode(folderId) 
{ 
	var clickedFolder = 0; 
	var state = 0; 
 
	clickedFolder = indexOfEntries[folderId]; 
	state = clickedFolder.isOpen; 
 
	clickedFolder.setState(!state); 
	if(!folderId)clickedFolder.setState(state); 
	return false; 
} 
 
function initializeDocument() 
{ 
	loadImages(); 
	foldersTree = auxs[0]; 
	if (doc.all) 
		browserVersion = 1; 
	else 
		if (doc.layers) 
			browserVersion = 2; 
		else 
			browserVersion = 0; 
 
	foldersTree.initialize(0, 1, ""); 
 
	if (browserVersion > 0) 
	{ 
		doc.write(" "); 
		clickOnNode(0); 
	} 
} 
 
function treeMenuAddItem(level, text, url, target, icon) 
{ 
	 
	if (!target) 
	{ 
		parentLevel=level; 
		if(level) 
			auxs[level] = auxs[level - 1].addChild(new Folder(text, url)); 
		else auxs[0] = new Folder(text); 
	} 
	else 
	{ 
		if(level>parentLevel + 1)level = parentLevel + 1; 
		auxs[level - 1].addChild(new Item(text, "'"+url+"' target=\"" + target + "\"", icon)); 
	} 
} 
 
function Db_Clk(Clked) 
{ 
	 
	var s_Href = Clked.href; 
	var i = s_Href.indexOf("&dbc="); 
	if(i!=-1) 
	{ 
		if(s_Href.indexOf("&dbc=10") != -1)s_Href = s_Href.substring(0, i); 
		else s_Href += "0"; 
		Clked.href = s_Href; 
	} 
}