/************************************************************************/
/* COTS @WEB Portal                                                     */
/* ================                                                     */
/*                                                                      */
/* Copyright (c) 2003 by COTS International                             */
/* http://www.cotsint.com                                               */
/*                                                                      */
/************************************************************************/

// Node object

function Node(id, pid, name, url, title, target, icon, iconOpen, open) {

	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; //[DR] put true if you want to start with nodes opened
	this._is = false;
	this._ls = false;
	this._hc = false;
	this._ai = 0;
	this._p;

};



// Tree object

function CustomMenu(objName) {
/*    
    //default values
	this.config = {
		target			: null,
		folderLinks		: true,
		useSelection	: true,
		useCookies		: true,
		useLines		: true,
		useIcons		: true,
		usePlus         : true, //[DR] valid only if useLines is Off
		useTables       : true,
		useStatusText	: false,
        expandAll       : false, //[DR] starts with all expanded
		closeSameLevel	: false,
		inOrder			: false,
		iconsPath       : 'images/CustomMenu',
		navClass        : 'navigator',
		navClassNode    : 'navigatorNode'
	}
*/

	this.config = {
		target			: null,
		folderLinks		: false, //true,
		useSelection	: false, //true,
		useCookies		: true,
		useLines		: false, //true,
		useIcons		: false, //true,
		usePlus         : false, //true, //[DR] valid only if useLines is Off
		useTables       : false, //true,
		useStatusText	: false,
        expandAll       : false, //false, //[DR] starts with all expanded
		closeSameLevel	: true,
		inOrder			: false,
		iconsPath       : '../../images/CustomMenu',
		navClass        : 'customMenu',
		navClassNode    : 'customMenuNode',
		navClassNodeRoot   : 'customMenuNodeRoot',
		navClassNodeFolder : 'customMenuNodeFolder'
	}

	this.icon = {
		root		: '/bullet_square.gif',
		folder		: '/bullet_square.gif',
		folderOpen	: '/bullet_square.gif',
		node		: '/bullet_square.gif', //'/page.gif',
        empty		: '/empty.gif',
		line		: '/line.gif',
		join		: '/join.gif',
		joinBottom	: '/joinbottom.gif',
		plus		: '/plus.gif',
		plusBottom	: '/plusbottom.gif',
		minus		: '/minus.gif',
		minusBottom	: '/minusbottom.gif',
		nlPlus		: '/nolines_plus.gif',
		nlMinus		: '/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

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

    if (pid=='0') pid='-1';

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

};


// Open/close all nodes

CustomMenu.prototype.openAll = function() {

	this.oAll(true);

};

CustomMenu.prototype.closeAll = function() {

	this.oAll(false);

};



// Outputs the tree to the page

CustomMenu.prototype.toString = function() {

	var str = '<div class="' + this.config.navClass + '">\n';

	if (document.getElementById) {

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

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

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

	str += '</div>\n';

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

	this.completed = true;

	return str;

};



// Creates the tree structure

CustomMenu.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.id > 0)) 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

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

	var str = '';
    
    var classNode = (this.root.id == node.pid) ? this.config.navClassNodeRoot : ((node._hc) ? this.config.navClassNodeFolder : this.config.navClassNode);

    if(this.config.useTables) {
        str += '<table border="0" cellpadding="0" cellspacing="0" align="center" width="500px" style="border: 1px solid #505050; " class="' + this.config.navClass + '"><tr><td class="' + classNode + '" height="24px">\n';
    } else {
        str += '<div class="' + classNode + '">\n';
    }

    str  += this.indent(node, nodeId);

	if (this.config.useIcons) {

		if (!node.icon) node.icon = (this.root.id == node.pid) ? this.config.iconsPath + this.icon.root : ((node._hc) ? this.config.iconsPath + this.icon.folder : this.config.iconsPath + this.icon.node);

		if (!node.iconOpen) node.iconOpen = (node._hc) ? this.config.iconsPath + this.icon.folderOpen : this.config.iconsPath + this.icon.node;

		if (this.root.id == node.pid) node.iconOpen = node.icon;

		str += '<img id="i' + this.obj + nodeId + '" src="' + ((node._io) ? node.iconOpen : node.icon) + '" alt="" />';

        if(this.config.useTables) str += '</td><td valign="top" class="' + classNode + '">';

	}

	if (node.url) {

		str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel' : 'node')) : 'node') + '" href="' + node.url + '"';

		if (node.title) str += ' title="' + node.title + '"';

		if (node.target) str += ' target="' + node.target + '"';

		if (this.config.useStatusText) str += ' onmouseover="window.status=\'' + node.name + '\';return true;" onmouseout="window.status=\'\';return true;" ';

		if (this.config.useSelection && ((node._hc && this.config.folderLinks) || !node._hc))

			str += ' onclick="javascript: ' + this.obj + '.s(' + nodeId + ');"';

		str += '>';

	}

//	else if ((!this.config.folderLinks || !node.url) && node._hc && node.pid != this.root.id) {
	else if ((!this.config.folderLinks || !node.url) && node._hc) { // [PRC] To have open/close on root nodes

		str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');" class="node"';

		if (node.title) str += ' title="' + node.title + '"';

		if (this.config.useStatusText) str += ' onmouseover="window.status=\'' + node.name + '\';return true;" onmouseout="window.status=\'\';return true;" ';

        str += '>';

    } else  {
        str += '&nbsp;';
    }
    
	str += node.name;

	if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '</a>';

    if(this.config.useTables) {
        str += '</td></tr></table>';
    } else {
    	str += '</div>';
    }

	if (node._hc) {

//		str += '<div id="d' + this.obj + nodeId + '" class="clip" style="display:' + ((this.root.id == node.pid || node._io) ? 'block' : 'none') + ';">'; //[PRC] - To have root nodes closed at start

		str += '<div id="d' + this.obj + nodeId + '" class="clip" style="display:' + ((node._io) ? 'block' : 'none') + ';">';

		str += this.addNode(node);

		str += '</div>';

	}

	this.aIndent.pop();

	return str;

};



// Adds the empty and line icons

CustomMenu.prototype.indent = function(node, nodeId) {

	var str = '';

/*	if (this.root.id != node.pid) {

		for (var n=0; n<this.aIndent.length; n++)

			str += '<img src="' + ( (this.aIndent[n] == 1 && this.config.useLines) ? this.config.iconsPath + this.icon.line : this.config.iconsPath + this.icon.empty ) + '" alt="" border="0" />';

		(node._ls) ? this.aIndent.push(0) : this.aIndent.push(1);

		if (node._hc) {

			str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');">';

			str += '<img id="j' + this.obj + nodeId + '" src="';
			if (this.config.usePlus) {
    			if (!this.config.useLines) str += (node._io) ? this.config.iconsPath + this.icon.nlMinus : this.config.iconsPath + this.icon.nlPlus;
    			else str += ( (node._io) ? ((node._ls && this.config.useLines) ? this.config.iconsPath + this.icon.minusBottom : this.config.iconsPath + this.icon.minus) : ((node._ls && this.config.useLines) ? this.config.iconsPath + this.icon.plusBottom : this.config.iconsPath + this.icon.plus ) );
			} else {
				str += this.config.iconsPath + this.icon.empty;
			}
			str += '" alt="" border="0" />';
			str += '</a>';
		
        } else str += '<img src="' + ( (this.config.useLines) ? ((node._ls) ? this.config.iconsPath + this.icon.joinBottom : this.config.iconsPath + this.icon.join ) : this.config.iconsPath + this.icon.empty) + '" alt="" border="0" />';

	}*/

	return str;

};



// Checks if a node has any children and if it is the last sibling

CustomMenu.prototype.setCS = function(node) {

	var lastId;

	for (var n=0; n<this.aNodes.length; n++) {

		if (this.aNodes[n].pid == node.id) node._hc = true;

		if (this.aNodes[n].pid == node.pid) lastId = this.aNodes[n].id;

	}

	if (lastId==node.id) node._ls = true;

};



// Returns the selected node

CustomMenu.prototype.getSelected = function() {

	var sn = this.getCookie('cs' + this.obj);

	return (sn) ? sn : null;

};



// Highlights the selected node

CustomMenu.prototype.s = function(id) {

	if (!this.config.useSelection) return;

	var cn = this.aNodes[id];

	if (cn._hc && !this.config.folderLinks) return;

	if (this.selectedNode != id) {

		if (this.selectedNode || this.selectedNode==0) {

			eOld = document.getElementById("s" + this.obj + this.selectedNode);

			eOld.className = "node";

		}

		eNew = document.getElementById("s" + this.obj + id);

        if (eNew) {
		    eNew.className = "nodeSel";
        }
		this.selectedNode = id;

		if (this.config.useCookies) this.setCookie('cs' + this.obj, cn.id);

	}

};



// Toggle Open or close

CustomMenu.prototype.o = function(id) {

	var cn = this.aNodes[id];

	this.nodeStatus(!cn._io, id, cn._ls);

	cn._io = !cn._io;

	if (this.config.closeSameLevel) this.closeLevel(cn);

	if (this.config.useCookies) this.updateCookie();

};



// Open or close all nodes

CustomMenu.prototype.oAll = function(status) {

	for (var n=0; n<this.aNodes.length; n++) {

		if (this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id) {

			this.nodeStatus(status, n, this.aNodes[n]._ls)

			this.aNodes[n]._io = status;

		}

	}

	if (this.config.useCookies) this.updateCookie();

};



// Opens the tree to a specific node

CustomMenu.prototype.openTo = function(nId, bSelect, bFirst) {

	if (!bFirst) {

		for (var n=0; n<this.aNodes.length; n++) {

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

				nId=n;

				break;

			}

		}

	}

	var cn=this.aNodes[nId];

	if (cn.pid==this.root.id || !cn._p) return;

	cn._io = true;

	cn._is = bSelect;

	if (this.completed && cn._hc) this.nodeStatus(true, cn._ai, cn._ls);

	if (this.completed && bSelect) this.s(cn._ai);

	else if (bSelect) this._sn=cn._ai;

	this.openTo(cn._p._ai, false, true);

};



// Closes all nodes on the same level as certain node

CustomMenu.prototype.closeLevel = function(node) {

	for (var n=0; n<this.aNodes.length; n++) {

		if (this.aNodes[n].pid == node.pid && this.aNodes[n].id != node.id && this.aNodes[n]._hc) {

			this.nodeStatus(false, n, this.aNodes[n]._ls);

			this.aNodes[n]._io = false;

			this.closeAllChildren(this.aNodes[n]);

		}

	}

}



// Closes all children of a node

CustomMenu.prototype.closeAllChildren = function(node) {

	for (var n=0; n<this.aNodes.length; n++) {

		if (this.aNodes[n].pid == node.id && this.aNodes[n]._hc) {

			if (this.aNodes[n]._io) this.nodeStatus(false, n, this.aNodes[n]._ls);

			this.aNodes[n]._io = false;

			this.closeAllChildren(this.aNodes[n]);		

		}

	}

}



// Change the status of a node(open or closed)

CustomMenu.prototype.nodeStatus = function(status, id, bottom) {

	eDiv	= document.getElementById('d' + this.obj + id);

	eJoin	= document.getElementById('j' + this.obj + id);

	if (this.config.useIcons) {

		eIcon	= document.getElementById('i' + this.obj + id);

		eIcon.src = (status) ? this.aNodes[id].iconOpen : this.aNodes[id].icon;

	}

	if (this.config.usePlus) {
		eJoin.src = (this.config.useLines)?

		((status)?((bottom)?this.config.iconsPath + this.icon.minusBottom:this.config.iconsPath + this.icon.minus):((bottom)?this.config.iconsPath + this.icon.plusBottom:this.config.iconsPath + this.icon.plus)):
		
		((status)?this.config.iconsPath + this.icon.nlMinus:this.config.iconsPath + this.icon.nlPlus);
	}

	eDiv.style.display = (status) ? 'block': 'none';

};





// [Cookie] Clears a cookie

CustomMenu.prototype.clearCookie = function() {

	var now = new Date();

	var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24);

	this.setCookie('co'+this.obj, 'cookieValue', yesterday);

	this.setCookie('cs'+this.obj, 'cookieValue', yesterday);

};



// [Cookie] Sets value in a cookie

CustomMenu.prototype.setCookie = function(cookieName, cookieValue, expires, path, domain, secure) {

	document.cookie =

		escape(cookieName) + '=' + escape(cookieValue)

		+ (expires ? '; expires=' + expires.toGMTString() : '')

		+ (path ? '; path=' + path : '')

		+ (domain ? '; domain=' + domain : '')

		+ (secure ? '; secure' : '');

};



// [Cookie] Gets a value from a cookie

CustomMenu.prototype.getCookie = function(cookieName) {

	var cookieValue = '';

	var posName = document.cookie.indexOf(escape(cookieName) + '=');

	if (posName != -1) {

		var posValue = posName + (escape(cookieName) + '=').length;

		var endPos = document.cookie.indexOf(';', posValue);

		if (endPos != -1) cookieValue = unescape(document.cookie.substring(posValue, endPos));

		else cookieValue = unescape(document.cookie.substring(posValue));

	}

	return (cookieValue);

};



// [Cookie] Returns ids of open nodes as a string

CustomMenu.prototype.updateCookie = function() {

	var str = '';

	for (var n=0; n<this.aNodes.length; n++) {

//		if (this.aNodes[n]._io && this.aNodes[n].pid != this.root.id) { //[PRC] - To have root nodes closed at start and to save their status to cookie also

		if (this.aNodes[n]._io) {

			if (str) str += '.';

			str += this.aNodes[n].id;

		}

	}

	this.setCookie('co' + this.obj, str);

};



// [Cookie] Checks if a node id is in a cookie

CustomMenu.prototype.isOpen = function(id) {

	var aOpen = this.getCookie('co' + this.obj).split('.');

	for (var n=0; n<aOpen.length; n++)

		if (aOpen[n] == id) return true;

	return false;

};



// If Push and pop is not implemented by the browser

if (!Array.prototype.push) {

	Array.prototype.push = function array_push() {

		for(var i=0;i<arguments.length;i++)

			this[this.length]=arguments[i];

		return this.length;

	}

};

if (!Array.prototype.pop) {

	Array.prototype.pop = function array_pop() {

		lastElement = this[this.length-1];

		this.length = Math.max(this.length-1,0);

		return lastElement;

	}

};