webfxtreeabstractnode.jsc

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# language: JSVM2

/**
 * @fileoverview com.eae.webfx.xtree.WebFXTreeAbstractNode class {@link http://jsvm.homolo.com/}
 * @file		WebFXTreeAbstractNode.jsc
 * @author	Emil A Eklund
 * @Modifier: Changhua Wan
 * @version	1.1, 07/01/05
 */

package com.eae.webfx.xtree;

import js.lang.BObject;

import js.util.ArrayList;

import com.eae.webfx.xtree.WebFXTreeConfig;
import com.eae.webfx.xtree.WebFXTreeHandler;
import com.eae.webfx.xtree.WebFXUtil;


/**
 * WebFXTreeAbstractNode is an abstract treenode class.
 * Inherit from BObject
 * @author	Emil A Eklund (Modified by Wan Changhua)
 * @version	1.1, 07/01/05
 * @extends BObject
 * @class This is an abstract treenode class.
 * @constructor
 * @param {String} sText
 * @param {String} sAction
 * @deprecated
 */

class WebFXTreeAbstractNode extends BObject (sText, sAction)
{
	this.parentNode = null;
	this.childNodes  = [];
	this.id     = WebFXTreeHandler.getId();
	this.text   = sText || WebFXTreeConfig.defaultText;
	this.action = sAction || WebFXTreeConfig.defaultAction;
	this._last  = false;
	WebFXTreeHandler.all[this.id] = this;
}

/*
 * To speed thing up if you're adding multiple nodes at once (after load)
 * use the bNoIdent parameter to prevent automatic re-indentation and call
 * the obj.indent() method manually once all nodes has been added.
 * @param {WebFXTreeAbstractNode} node
 * @param {boolean} bNoIdent
 * @returns the node object that has been added.
 * @type WebFXTreeAbstractNode
 */
WebFXTreeAbstractNode.prototype.add = function (node, bNoIdent)
{
	node.parentNode = this;
	this.childNodes[this.childNodes.length] = node;
	var root = this;
	if (this.childNodes.length >= 2)
	{
		this.childNodes[this.childNodes.length - 2]._last = false;
	}
	while (root.parentNode) { root = root.parentNode; }

	if (root.rendered)
	{
		if (this.childNodes.length >= 2) {
			document.getElementById(this.childNodes[this.childNodes.length - 2].id + '-plus').src = ((this.childNodes[this.childNodes.length -2].folder)?((this.childNodes[this.childNodes.length -2].open)?WebFXTreeConfig.tMinusIcon:WebFXTreeConfig.tPlusIcon):WebFXTreeConfig.tIcon);
			this.childNodes[this.childNodes.length - 2].plusIcon = WebFXTreeConfig.tPlusIcon;
			this.childNodes[this.childNodes.length - 2].minusIcon = WebFXTreeConfig.tMinusIcon;
			this.childNodes[this.childNodes.length - 2]._last = false;
		}
		this._last = true;
		var foo = this;
		while (foo.parentNode) {
			for (var i = 0; i < foo.parentNode.childNodes.length; i++) {
				if (foo.id == foo.parentNode.childNodes[i].id) { break; }
			}
			if (i == foo.parentNode.childNodes.length - 1) { foo.parentNode._last = true; }
			else { foo.parentNode._last = false; }
			foo = foo.parentNode;
		}
		WebFXTreeHandler.insertHTMLBeforeEnd(document.getElementById(this.id + '-cont'), node.toString());
		if ((!this.folder) && (!this.openIcon)) {
			this.icon = WebFXTreeConfig.folderIcon;
			this.openIcon = WebFXTreeConfig.openFolderIcon;
		}
		if (!this.folder) { this.folder = true; this.collapse(true); }
		if (!bNoIdent) { this.indent(); }
	}
	return node;
}

/**
 * Toggles state between collapsed and expanded
 */
WebFXTreeAbstractNode.prototype.toggle = function()
{
	if (this.folder)
	{
		if (this.open)
		{
			this.collapse();
		}
		else
		{
			this.expand();
		}
	}
}

/**
 * Selects self.
 */
WebFXTreeAbstractNode.prototype.select = function()
{
	document.getElementById(this.id + '-anchor').focus();
}

/**
 * Deselects self.
 */
WebFXTreeAbstractNode.prototype.deSelect = function()
{
	document.getElementById(this.id + '-anchor').className = '';
	WebFXTreeHandler.selected = null;
}

/**
 * Foruses self.
 */
WebFXTreeAbstractNode.prototype.focus = function()
{
	if ((WebFXTreeHandler.selected) && (WebFXTreeHandler.selected != this)) { WebFXTreeHandler.selected.deSelect(); }
	WebFXTreeHandler.selected = this;
	if ((this.openIcon) && (WebFXTreeHandler.behavior != 'classic')) { document.getElementById(this.id + '-icon').src = this.openIcon; }
	document.getElementById(this.id + '-anchor').className = 'selected';
	document.getElementById(this.id + '-anchor').focus();
	if (WebFXTreeHandler.onSelect) { WebFXTreeHandler.onSelect(this); }
}

/**
 * Blurs self.
 */
WebFXTreeAbstractNode.prototype.blur = function()
{
	if ((this.openIcon) && (WebFXTreeHandler.behavior != 'classic'))
	{
		document.getElementById(this.id + '-icon').src = this.icon;
	}
	document.getElementById(this.id + '-anchor').className = 'selected-inactive';
}

/**
 * Executes expand operate
 */
WebFXTreeAbstractNode.prototype.doExpand = function()
{
	if (WebFXTreeHandler.behavior == 'classic')
	{
		document.getElementById(this.id + '-icon').src = this.openIcon;
	}
	if (this.childNodes.length) {  document.getElementById(this.id + '-cont').style.display = 'block'; }
	this.open = true;
	if (WebFXTreeConfig.usePersistence)
	{
		WebFXTreeHandler.cookies.setValue(this.id.substr(18,this.id.length - 18), '1');
	}
}

/**
 * Executes collapse operate
 */
WebFXTreeAbstractNode.prototype.doCollapse = function()
{
	if (WebFXTreeHandler.behavior == 'classic') { document.getElementById(this.id + '-icon').src = this.icon; }
	if (this.childNodes.length) { document.getElementById(this.id + '-cont').style.display = 'none'; }
	this.open = false;
	if (WebFXTreeConfig.usePersistence) {
		WebFXTreeHandler.cookies.setValue(this.id.substr(18,this.id.length - 18), '0');
	}
}

/**
 * Expands all child nodes and self.
 */
WebFXTreeAbstractNode.prototype.expandAll = function()
{
	this.expandChildren();
	if ((this.folder) && (!this.open)) { this.expand(); }
}

/**
 * Expands all child nodes.
 */
WebFXTreeAbstractNode.prototype.expandChildren = function()
{
	for (var i = 0; i < this.childNodes.length; i++) {
		this.childNodes[i].expandAll();
	}
}

/**
 * check all child nodes.
 */
WebFXTreeAbstractNode.prototype.checkChildren = function()
{
	for (var i = 0; i < this.childNodes.length; i++) {
		this.childNodes[i].checkAll();
	}
}

/**
 * check all child nodes. add by yehailong 20060710
 */
WebFXTreeAbstractNode.prototype.checkAll = function()
{
	this.checkChildren();
	var childNodes = this.childNodes;
	if(childNodes!=null&&childNodes.length!=0){
		for (var i = 0; i < childNodes.length; i++) {
			var childNode = childNodes[i];
			/*
			if(document.getElementById(childNode.id+"-check"))
				document.getElementById(childNode.id+"-check").checked = true;
			*/
			childNode.check(true);
		}
	}
}

/**
 * check all child nodes.
 */
WebFXTreeAbstractNode.prototype.uncheckChildren = function()
{
	for (var i = 0; i < this.childNodes.length; i++) {
		this.childNodes[i].uncheckAll();
	}
}

/**
 * check all child nodes.
 */
WebFXTreeAbstractNode.prototype.uncheckAll = function()
{
	this.uncheckChildren();
	var childNodes = this.childNodes;
	if(childNodes!=null&&childNodes.length!=0){
		for (var i = 0; i < childNodes.length; i++) {
			var childNode = childNodes[i];
			if(document.getElementById(childNode.id+"-check"))
				document.getElementById(childNode.id+"-check").checked = false;
		}
	}
}

/**
 * Collapses all child nodes and self.
 */
WebFXTreeAbstractNode.prototype.collapseAll = function()
{
	this.collapseChildren();
	if ((this.folder) && (this.open))
	{
		this.collapse(true);
	}
}

/**
 * Collapses all child nodes.
 */
WebFXTreeAbstractNode.prototype.collapseChildren = function()
{
	for (var i = 0; i < this.childNodes.length; i++)
	{
		this.childNodes[i].collapseAll();
	}
}

/**
 * Collapses all child nodes.
 */
WebFXTreeAbstractNode.prototype.indent = function(lvl, del, last, level, nodesLeft)
{
	/*
	 * Since we only want to modify items one level below ourself,
	 * and since the rightmost indentation position is occupied by
	 * the plus icon we set this to -2
	 */
	if (lvl == null) { lvl = -2; }
	var state = 0;
	for (var i = this.childNodes.length - 1; i >= 0 ; i--) {
		state = this.childNodes[i].indent(lvl + 1, del, last, level);
		if (state) { return; }
	}
	if (del) {
		if ((level >= this._level) && (document.getElementById(this.id + '-plus'))) {
			if (this.folder) {
				document.getElementById(this.id + '-plus').src = (this.open)?WebFXTreeConfig.lMinusIcon:WebFXTreeConfig.lPlusIcon;
				this.plusIcon = WebFXTreeConfig.lPlusIcon;
				this.minusIcon = WebFXTreeConfig.lMinusIcon;
			}
			else if (nodesLeft) { document.getElementById(this.id + '-plus').src = WebFXTreeConfig.lIcon; }
			return 1;
	}	}
	var foo = document.getElementById(this.id + '-indent-' + lvl);
	//window.status+=" "+(foo.tagName);
	if (foo) {
		if ((foo._last) || ((del) && (last))) { foo.src =  WebFXTreeConfig.blankIcon; }
		else { foo.src =  WebFXTreeConfig.iIcon;}
	}
	return 0;
}

/**
 * Updates the text to display element. (Add by Wan Changhua [2005-07-01])
 */
WebFXTreeAbstractNode.prototype.update = function()
{
	document.getElementById(this.id + '-anchor').innerHTML = this.text;
	//TODO
}

/**
 * Returns the root node of self. (Add by Wan Changhua [2005-11-04])
 * @returns the root node of self.
 * @type WebFXTreeAbstractNode
 */
WebFXTreeAbstractNode.prototype.getRootNode = function()
{
	var pNode = this.parentNode;
	if (pNode == null)
	{
		return this;
	}
	while (pNode.parentNode != null)
	{
		pNode = pNode.parentNode;
	}
	return pNode;
}

/**
 * Returns the child nodes that have been selected. (Add by Wan Changhua [2005-11-04])
 * @returns the child nodes that have been selected.
 * @type Array
 */
WebFXTreeAbstractNode.prototype.getSelectedChildNodes = function()
{
	try
	{
		var radioObjName = WebFXTreeConfig.elementPrefix + "selRadioObj";
		var checkObjName = WebFXTreeConfig.elementPrefix + "selCheckObj";
		var list = new ArrayList();
		var sels = document.getElementsByName(radioObjName);
		var l =  sels.length;
		for(var i = 0; i < l; i++)
		{
			if (sels[i].checked)
			{
				var sId = sels[i].getAttribute("oid");
				var node = WebFXTreeHandler.getObjectById(sId);
				if (node.getRootNode() == this)
				{
					list.add(node);
				}
			}
		}
		sels = document.getElementsByName(checkObjName);
		l =  sels.length;
		for(var i = 0; i < l; i++)
		{
			if (sels[i].checked)
			{
				var sId = sels[i].getAttribute("oid");
				var node = WebFXTreeHandler.getObjectById(sId);
				if (node.getRootNode() == this)
				{
					list.add(node);
				}
			}
		}
		return list.toArray();
	}
	catch (ex)
	{
		ex.printStackTrace();
		return [];
	}
}

/**
 * when radio or checkbox is checked
 */
WebFXTreeAbstractNode.prototype.checkit = function()
{
	
	var selectAll = WebFXUtil.getSelectAll();
	var selectType = WebFXUtil.getSelectType();
	if(selectAll&&selectType=="checkbox"){
		if(this.isChecked()){
			this.checkAll();
			this.expandAll();
		}else{
			this.uncheckAll();
			this.collapseAll();
		}
	}
	
}