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alexandre_ |
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/*
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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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alexandre_ |
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alexandre_ |
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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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var obj = {};
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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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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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}
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}
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return obj;
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}, restoreExpandedIndices:function (node, savedIndices, field) {
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var _this = this;
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var handler = function (node, savedIndices) {
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this.node = node;
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this.savedIndices = savedIndices;
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this.process = function () {
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_this.restoreExpandedIndices(this.node, this.savedIndices, field);
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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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var child = node.children[i];
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var found = false;
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var key = -1;
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if (dojo.lang.isUndefined(field) && savedIndices[i]) {
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found = true;
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key = i;
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}
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if (field) {
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for (var key in savedIndices) {
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if (key == child[field]) {
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found = true;
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break;
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}
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}
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}
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if (found) {
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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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} else {
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if (child.isExpanded) {
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dojo.lang.forEach(child.getDescendants(), function (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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