From 09501a9ea1a2dbcfebf80f5d6c7bc6698a0621ea Mon Sep 17 00:00:00 2001
From: Eric Guzman
Date: Mon, 6 Feb 2012 13:08:38 -0800
Subject: TreeController - moving the tree controller to the components
directory
---
js/components/controllers/tree-controller.js | 185 +++++++++++++++++++++++++++
1 file changed, 185 insertions(+)
create mode 100644 js/components/controllers/tree-controller.js
(limited to 'js/components')
diff --git a/js/components/controllers/tree-controller.js b/js/components/controllers/tree-controller.js
new file mode 100644
index 00000000..03ef7b9e
--- /dev/null
+++ b/js/components/controllers/tree-controller.js
@@ -0,0 +1,185 @@
+/* <copyright>
+ This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
+ No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
+ (c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
+ </copyright> */
+/**
+ @module montage/ui/controller/tree-controller
+ @requires montage/core/core
+ @requires montage/ui/controller/object-controller
+ @requires montage/core/event/mutable-event
+ */
+var Montage = require("montage").Montage,
+ ObjectController = require("montage/ui/controller/object-controller").ObjectController,
+ ArrayController = require("montage/ui/controller/array-controller").ArrayController,
+ MutableEvent = require("montage/core/event/mutable-event").MutableEvent;
+/**
+ TODO: Write description like the array controllers: The ArrayController helps with organizing a hierarchical
+ collection of objects, and managing user selection within that collection.
+ You can assign a TreeController instance as the <code>contentProvider</code> property for a TreeView object.
+ @class module:montage/ui/controller/tree-controller.TreeController
+ @classdesc
+ @extends module:montage/ui/controller/object-controller.ObjectController
+*/
+var TreeController = exports.TreeController = Montage.create(ObjectController, /** @lends module:montage/ui/controller/tree-controller.TreeController# */ {
+
+ rootKey : {
+ value: null
+ },
+
+ branchKey : {
+ value: 'children'
+ },
+
+ _root : {
+ value : null
+ },
+ root : {
+ get: function() {
+ return this._root;
+ },
+ set: function(value) {
+ this._root = value;
+
+ this.initArrayControllers();
+ }
+ },
+
+ rootController: {
+ value: null
+ },
+
+ initArrayControllers : {
+ value: function() {
+ var self = this;
+
+ ///// Recursive function that finds all branch nodes and initializes
+ ///// sets the tree node type to "branch" or "leaf"
+
+ function walk(node, init, depth) {
+ var branch = node[self.branchKey];
+
+ if(branch) {
+ branch.forEach(function(node) {
+ walk(node, init, ++depth);
+ });
+
+ node['treeNodeType'] = 'branch';
+ } else {
+ node['treeNodeType'] = 'leaf';
+ }
+ }
+
+ walk(this._root, 0);
+
+ }
+ },
+
+ /**
+ @private
+ */
+ _selectedIndexes: {
+ value: null,
+ enumerable: false
+ },
+
+ /**
+ Description TODO
+ @type {Function}
+ @default null
+ */
+ selectedIndexes: {
+ get: function() {
+ return this._selectedIndexes;
+ },
+ set: function(value) {
+ this._selectedIndexes = value;
+ }
+ },
+
+ branchControllers: {
+ value: []
+ },
+
+ addBranchController : {
+ value: function(controller) {
+ if(this.delegate) {
+ controller.delegate = this.delegate;
+ }
+
+ this.branchControllers.push(controller);
+ }
+ },
+
+ /**
+ @private
+ */
+ _content: {
+ enumerable: false,
+ value: null
+ },
+ /**
+ The content managed by the TreeController.
+ @type {Function}
+ @default {String} null
+ */
+ content: {
+ get: function() {
+ return this._content;
+ },
+ set: function(value) {
+ if (this._content === value) {
+ return;
+ }
+
+ this._content = value;
+
+ this.selectedObjects = null;
+
+ if (this.rootKey) {
+ if (value[this.rootKey]) {
+ this.root = value[this.rootKey];
+ } else {
+ console.log('No root key found in content data');
+ }
+ } else {
+ this.root = value;
+ }
+
+ }
+ },
+
+ addObjects : {
+ value: function() {
+
+ var objects = Array.prototype.slice.call(arguments),
+ i,
+ objectCount = objects.length,
+ selectedContentIndexes, firstIndex;
+
+ for (i = 0; i < objectCount; i++) {
+ this.content.push(objects[i]);
+ }
+
+ if (this.selectObjectsOnAddition) {
+ selectedContentIndexes = [];
+ firstIndex = this.content.length-objectCount;
+ for (i = 0; i < objectCount; i++) {
+ selectedContentIndexes[i] = firstIndex++;
+ }
+ this.selectedContentIndexes = selectedContentIndexes;
+ this.selectedObjects = objects;
+ }
+
+ if (this.clearFilterFunctionOnAddition) {
+ this.filterFunction = null;
+ }
+
+ if (this.automaticallyOrganizeObjects) {
+ this.organizeObjects();
+ }
+
+ }
+ }
+
+});
--
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