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/*
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/*
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	Copyright (c) 2004-2006, The Dojo Foundation
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	Copyright (c) 2004-2006, The Dojo Foundation
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	All Rights Reserved.
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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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	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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	modified BSD license. For more information on Dojo licensing, see:
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		http://dojotoolkit.org/community/licensing.shtml
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		http://dojotoolkit.org/community/licensing.shtml
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*/
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*/
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dojo.provide("dojo.widget.TreeControllerExtension");
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dojo.provide("dojo.widget.TreeControllerExtension");
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dojo.declare("dojo.widget.TreeControllerExtension", null, {saveExpandedIndices:function (node, field) {
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dojo.declare("dojo.widget.TreeControllerExtension", null, {saveExpandedIndices:function (node, field) {
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	var obj = {};
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	var obj = {};
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	for (var i = 0; i < node.children.length; i++) {
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	for (var i = 0; i < node.children.length; i++) {
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		if (node.children[i].isExpanded) {
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		if (node.children[i].isExpanded) {
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			var key = dojo.lang.isUndefined(field) ? i : node.children[i][field];
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			var key = dojo.lang.isUndefined(field) ? i : node.children[i][field];
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			obj[key] = this.saveExpandedIndices(node.children[i], field);
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			obj[key] = this.saveExpandedIndices(node.children[i], field);
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		}
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		}
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	}
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	}
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	return obj;
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	return obj;
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}, restoreExpandedIndices:function (node, savedIndices, field) {
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}, restoreExpandedIndices:function (node, savedIndices, field) {
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	var _this = this;
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	var _this = this;
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	var handler = function (node, savedIndices) {
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	var handler = function (node, savedIndices) {
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		this.node = node;
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		this.node = node;
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		this.savedIndices = savedIndices;
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		this.savedIndices = savedIndices;
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		this.process = function () {
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		this.process = function () {
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			_this.restoreExpandedIndices(this.node, this.savedIndices, field);
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			_this.restoreExpandedIndices(this.node, this.savedIndices, field);
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		};
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		};
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	};
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	};
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	for (var i = 0; i < node.children.length; i++) {
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	for (var i = 0; i < node.children.length; i++) {
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		var child = node.children[i];
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		var child = node.children[i];
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		var found = false;
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		var found = false;
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		var key = -1;
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		var key = -1;
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		if (dojo.lang.isUndefined(field) && savedIndices[i]) {
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		if (dojo.lang.isUndefined(field) && savedIndices[i]) {
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			found = true;
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			found = true;
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			key = i;
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			key = i;
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		}
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		}
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		if (field) {
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		if (field) {
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			for (var key in savedIndices) {
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			for (var key in savedIndices) {
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				if (key == child[field]) {
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				if (key == child[field]) {
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					found = true;
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					found = true;
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					break;
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					break;
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				}
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				}
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			}
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			}
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		}
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		}
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		if (found) {
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		if (found) {
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			var h = new handler(child, savedIndices[key]);
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			var h = new handler(child, savedIndices[key]);
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			_this.expand(child, false, h, h.process);
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			_this.expand(child, false, h, h.process);
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		} else {
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		} else {
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			if (child.isExpanded) {
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			if (child.isExpanded) {
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				dojo.lang.forEach(child.getDescendants(), function (elem) {
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				dojo.lang.forEach(child.getDescendants(), function (elem) {
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					_this.collapse(elem);
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					_this.collapse(elem);
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				});
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				});
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			}
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			}
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		}
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		}
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	}
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	}
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}});
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}});
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