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1318 alexandre_ 1
/*
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	Copyright (c) 2004-2006, The Dojo Foundation
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	All Rights Reserved.
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	Licensed under the Academic Free License version 2.1 or above OR the
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	modified BSD license. For more information on Dojo licensing, see:
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		http://dojotoolkit.org/community/licensing.shtml
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*/
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1422 alexandre_ 11
 
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1318 alexandre_ 13
dojo.provide("dojo.widget.TreeNodeV3");
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dojo.require("dojo.html.*");
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dojo.require("dojo.event.*");
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dojo.require("dojo.io.*");
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dojo.require("dojo.widget.TreeWithNode");
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dojo.widget.defineWidget("dojo.widget.TreeNodeV3", [dojo.widget.HtmlWidget, dojo.widget.TreeWithNode], function () {
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	this.actionsDisabled = [];
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	this.object = {};
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}, {tryLazyInit:true, actions:{MOVE:"MOVE", DETACH:"DETACH", EDIT:"EDIT", ADDCHILD:"ADDCHILD", SELECT:"SELECT"}, labelClass:"", contentClass:"", expandNode:null, labelNode:null, nodeDocType:"", selected:false, getnodeDocType:function () {
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	return this.nodeDocType;
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}, cloneProperties:["actionsDisabled", "tryLazyInit", "nodeDocType", "objectId", "object", "title", "isFolder", "isExpanded", "state"], clone:function (deep) {
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	var ret = new this.constructor();
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	for (var i = 0; i < this.cloneProperties.length; i++) {
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		var prop = this.cloneProperties[i];
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		ret[prop] = dojo.lang.shallowCopy(this[prop], true);
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	}
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	if (this.tree.unsetFolderOnEmpty && !deep && this.isFolder) {
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		ret.isFolder = false;
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	}
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	ret.toggleObj = this.toggleObj;
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	dojo.widget.manager.add(ret);
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	ret.tree = this.tree;
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	ret.buildRendering({}, {});
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	ret.initialize({}, {});
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	if (deep && this.children.length) {
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		for (var i = 0; i < this.children.length; i++) {
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			var child = this.children[i];
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			if (child.clone) {
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				ret.children.push(child.clone(deep));
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			} else {
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				ret.children.push(dojo.lang.shallowCopy(child, deep));
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			}
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		}
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		ret.setChildren();
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	}
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	return ret;
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}, markProcessing:function () {
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	this.markProcessingSavedClass = dojo.html.getClass(this.expandNode);
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	dojo.html.setClass(this.expandNode, this.tree.classPrefix + "ExpandLoading");
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}, unmarkProcessing:function () {
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	dojo.html.setClass(this.expandNode, this.markProcessingSavedClass);
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}, buildRendering:function (args, fragment, parent) {
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	if (args.tree) {
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		this.tree = dojo.lang.isString(args.tree) ? dojo.widget.manager.getWidgetById(args.tree) : args.tree;
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	} else {
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		if (parent && parent.tree) {
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			this.tree = parent.tree;
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		}
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	}
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	if (!this.tree) {
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		dojo.raise("Can't evaluate tree from arguments or parent");
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	}
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	this.domNode = this.tree.nodeTemplate.cloneNode(true);
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	this.expandNode = this.domNode.firstChild;
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	this.contentNode = this.domNode.childNodes[1];
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	this.labelNode = this.contentNode.firstChild;
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	if (this.labelClass) {
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		dojo.html.addClass(this.labelNode, this.labelClass);
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	}
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	if (this.contentClass) {
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		dojo.html.addClass(this.contentNode, this.contentClass);
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	}
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	this.domNode.widgetId = this.widgetId;
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	this.labelNode.innerHTML = this.title;
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}, isTreeNode:true, object:{}, title:"", isFolder:null, contentNode:null, expandClass:"", isExpanded:false, containerNode:null, getInfo:function () {
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	var info = {widgetId:this.widgetId, objectId:this.objectId, index:this.getParentIndex()};
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	return info;
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}, setFolder:function () {
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	this.isFolder = true;
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	this.viewSetExpand();
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	if (!this.containerNode) {
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		this.viewAddContainer();
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	}
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	dojo.event.topic.publish(this.tree.eventNames.afterSetFolder, {source:this});
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}, initialize:function (args, frag, parent) {
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	if (args.isFolder) {
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		this.isFolder = true;
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	}
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	if (this.children.length || this.isFolder) {
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		this.setFolder();
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	} else {
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		this.viewSetExpand();
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	}
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	for (var i = 0; i < this.actionsDisabled.length; i++) {
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		this.actionsDisabled[i] = this.actionsDisabled[i].toUpperCase();
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	}
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	dojo.event.topic.publish(this.tree.eventNames.afterChangeTree, {oldTree:null, newTree:this.tree, node:this});
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}, unsetFolder:function () {
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	this.isFolder = false;
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	this.viewSetExpand();
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	dojo.event.topic.publish(this.tree.eventNames.afterUnsetFolder, {source:this});
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}, insertNode:function (parent, index) {
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	if (!index) {
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		index = 0;
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	}
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	if (index == 0) {
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		dojo.html.prependChild(this.domNode, parent.containerNode);
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	} else {
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		dojo.html.insertAfter(this.domNode, parent.children[index - 1].domNode);
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	}
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}, updateTree:function (newTree) {
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	if (this.tree === newTree) {
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		return;
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	}
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	var oldTree = this.tree;
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	dojo.lang.forEach(this.getDescendants(), function (elem) {
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		elem.tree = newTree;
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	});
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	if (oldTree.classPrefix != newTree.classPrefix) {
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		var stack = [this.domNode];
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		var elem;
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		var reg = new RegExp("(^|\\s)" + oldTree.classPrefix, "g");
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		while (elem = stack.pop()) {
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			for (var i = 0; i < elem.childNodes.length; i++) {
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				var childNode = elem.childNodes[i];
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				if (childNode.nodeDocType != 1) {
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					continue;
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				}
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				dojo.html.setClass(childNode, dojo.html.getClass(childNode).replace(reg, "$1" + newTree.classPrefix));
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				stack.push(childNode);
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			}
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		}
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	}
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	var message = {oldTree:oldTree, newTree:newTree, node:this};
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	dojo.event.topic.publish(this.tree.eventNames.afterChangeTree, message);
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	dojo.event.topic.publish(newTree.eventNames.afterChangeTree, message);
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}, addedTo:function (parent, index, dontPublishEvent) {
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	if (this.tree !== parent.tree) {
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		this.updateTree(parent.tree);
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	}
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	if (parent.isTreeNode) {
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		if (!parent.isFolder) {
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			parent.setFolder();
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			parent.state = parent.loadStates.LOADED;
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		}
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	}
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	var siblingsCount = parent.children.length;
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	this.insertNode(parent, index);
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	this.viewAddLayout();
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	if (siblingsCount > 1) {
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		if (index == 0 && parent.children[1] instanceof dojo.widget.Widget) {
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			parent.children[1].viewUpdateLayout();
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		}
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		if (index == siblingsCount - 1 && parent.children[siblingsCount - 2] instanceof dojo.widget.Widget) {
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			parent.children[siblingsCount - 2].viewUpdateLayout();
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		}
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	} else {
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		if (parent.isTreeNode) {
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			parent.viewSetHasChildren();
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		}
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	}
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	if (!dontPublishEvent) {
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		var message = {child:this, index:index, parent:parent};
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		dojo.event.topic.publish(this.tree.eventNames.afterAddChild, message);
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	}
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}, createSimple:function (args, parent) {
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	if (args.tree) {
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		var tree = args.tree;
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	} else {
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		if (parent) {
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			var tree = parent.tree;
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		} else {
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			dojo.raise("createSimple: can't evaluate tree");
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		}
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	}
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	tree = dojo.widget.byId(tree);
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	var treeNode = new tree.defaultChildWidget();
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	for (var x in args) {
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		treeNode[x] = args[x];
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	}
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	treeNode.toggleObj = dojo.lfx.toggle[treeNode.toggle.toLowerCase()] || dojo.lfx.toggle.plain;
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	dojo.widget.manager.add(treeNode);
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	treeNode.buildRendering(args, {}, parent);
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	treeNode.initialize(args, {}, parent);
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	if (treeNode.parent) {
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		delete dojo.widget.manager.topWidgets[treeNode.widgetId];
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	}
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	return treeNode;
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}, viewUpdateLayout:function () {
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	this.viewRemoveLayout();
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	this.viewAddLayout();
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}, viewAddContainer:function () {
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	this.containerNode = this.tree.containerNodeTemplate.cloneNode(true);
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	this.domNode.appendChild(this.containerNode);
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}, viewAddLayout:function () {
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	if (this.parent["isTree"]) {
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		dojo.html.setClass(this.domNode, dojo.html.getClass(this.domNode) + " " + this.tree.classPrefix + "IsRoot");
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	}
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	if (this.isLastChild()) {
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		dojo.html.setClass(this.domNode, dojo.html.getClass(this.domNode) + " " + this.tree.classPrefix + "IsLast");
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	}
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}, viewRemoveLayout:function () {
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	dojo.html.removeClass(this.domNode, this.tree.classPrefix + "IsRoot");
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	dojo.html.removeClass(this.domNode, this.tree.classPrefix + "IsLast");
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}, viewGetExpandClass:function () {
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	if (this.isFolder) {
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		return this.isExpanded ? "ExpandOpen" : "ExpandClosed";
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	} else {
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		return "ExpandLeaf";
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	}
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}, viewSetExpand:function () {
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	var expand = this.tree.classPrefix + this.viewGetExpandClass();
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	var reg = new RegExp("(^|\\s)" + this.tree.classPrefix + "Expand\\w+", "g");
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	dojo.html.setClass(this.domNode, dojo.html.getClass(this.domNode).replace(reg, "") + " " + expand);
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	this.viewSetHasChildrenAndExpand();
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}, viewGetChildrenClass:function () {
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	return "Children" + (this.children.length ? "Yes" : "No");
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}, viewSetHasChildren:function () {
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	var clazz = this.tree.classPrefix + this.viewGetChildrenClass();
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	var reg = new RegExp("(^|\\s)" + this.tree.classPrefix + "Children\\w+", "g");
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	dojo.html.setClass(this.domNode, dojo.html.getClass(this.domNode).replace(reg, "") + " " + clazz);
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	this.viewSetHasChildrenAndExpand();
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}, viewSetHasChildrenAndExpand:function () {
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	var clazz = this.tree.classPrefix + "State" + this.viewGetChildrenClass() + "-" + this.viewGetExpandClass();
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	var reg = new RegExp("(^|\\s)" + this.tree.classPrefix + "State[\\w-]+", "g");
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	dojo.html.setClass(this.domNode, dojo.html.getClass(this.domNode).replace(reg, "") + " " + clazz);
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}, viewUnfocus:function () {
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	dojo.html.removeClass(this.labelNode, this.tree.classPrefix + "LabelFocused");
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}, viewFocus:function () {
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	dojo.html.addClass(this.labelNode, this.tree.classPrefix + "LabelFocused");
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}, viewEmphasize:function () {
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	dojo.html.clearSelection(this.labelNode);
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	dojo.html.addClass(this.labelNode, this.tree.classPrefix + "NodeEmphasized");
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}, viewUnemphasize:function () {
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	dojo.html.removeClass(this.labelNode, this.tree.classPrefix + "NodeEmphasized");
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}, detach:function () {
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	if (!this.parent) {
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		return;
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	}
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	var parent = this.parent;
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	var index = this.getParentIndex();
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	this.doDetach.apply(this, arguments);
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	dojo.event.topic.publish(this.tree.eventNames.afterDetach, {child:this, parent:parent, index:index});
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}, doDetach:function () {
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	var parent = this.parent;
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	if (!parent) {
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		return;
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	}
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	var index = this.getParentIndex();
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	this.viewRemoveLayout();
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	dojo.widget.DomWidget.prototype.removeChild.call(parent, this);
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	var siblingsCount = parent.children.length;
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	if (siblingsCount > 0) {
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		if (index == 0) {
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			parent.children[0].viewUpdateLayout();
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		}
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		if (index == siblingsCount) {
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			parent.children[siblingsCount - 1].viewUpdateLayout();
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		}
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	} else {
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		if (parent.isTreeNode) {
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			parent.viewSetHasChildren();
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		}
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	}
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	if (this.tree.unsetFolderOnEmpty && !parent.children.length && parent.isTreeNode) {
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		parent.unsetFolder();
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	}
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	this.parent = null;
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}, destroy:function () {
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	dojo.event.topic.publish(this.tree.eventNames.beforeNodeDestroy, {source:this});
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	this.detach();
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	return dojo.widget.HtmlWidget.prototype.destroy.apply(this, arguments);
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}, expand:function () {
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	if (this.isExpanded) {
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		return;
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	}
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	if (this.tryLazyInit) {
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		this.setChildren();
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		this.tryLazyInit = false;
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	}
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	this.isExpanded = true;
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	this.viewSetExpand();
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	this.showChildren();
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}, collapse:function () {
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	if (!this.isExpanded) {
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		return;
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	}
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	this.isExpanded = false;
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	this.hideChildren();
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}, hideChildren:function () {
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	this.tree.toggleObj.hide(this.containerNode, this.tree.toggleDuration, this.explodeSrc, dojo.lang.hitch(this, "onHideChildren"));
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}, showChildren:function () {
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	this.tree.toggleObj.show(this.containerNode, this.tree.toggleDuration, this.explodeSrc, dojo.lang.hitch(this, "onShowChildren"));
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}, onShowChildren:function () {
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	this.onShow();
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	dojo.event.topic.publish(this.tree.eventNames.afterExpand, {source:this});
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}, onHideChildren:function () {
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	this.viewSetExpand();
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	this.onHide();
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	dojo.event.topic.publish(this.tree.eventNames.afterCollapse, {source:this});
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}, setTitle:function (title) {
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	var oldTitle = this.title;
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	this.labelNode.innerHTML = this.title = title;
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	dojo.event.topic.publish(this.tree.eventNames.afterSetTitle, {source:this, oldTitle:oldTitle});
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}, toString:function () {
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	return "[" + this.widgetType + ", " + this.title + "]";
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}});
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