aboutsummaryrefslogtreecommitdiff
path: root/js/components/treeview/treeview.reel/treeview.js
blob: 9f78d36d70388455a9e24d6750e2e10310271906 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
/* <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> */

var Montage   = require("montage/core/core").Montage,
    Component = require("montage/ui/component").Component;

exports.Treeview = Montage.create(Component, {

    substitution      : { value : null },
    data              : { value : null },
    rootBranch        : { value : null },

    _hasBeenDeserialized: {
        value: false,
        enumerable: false
    },

    branchComponent : {
        value: null,
        serializable: true
    },
    leafComponent : {
        value: null,
        serializable: true
    },

    hasTemplate: {
        value: true
    },
    templateDidLoad : {
        value : function() {
            this._initializeRootBranch();
        }
    },
    _initializeRootBranch : {
        value: function() {
            var rootBranch;

            ///// Get user-defined branch/leaf components or use defaults
            this.branchComponent = this.branchComponent || this.defaultBranchComponent;

            ///// Tell branch component what the label key is (defined in tree controller)
            this.branchComponent.labelKey = this.contentController.labelKey;

            ///// Tell branch component what the branch key is (so it can recursively generate branches)
            this.branchComponent.branchKey = this.contentController.branchKey;

            rootBranch = Montage.create(this.branchComponent);
            rootBranch.hideLabel = !this.showRoot;
            rootBranch.treeView = this;

            this.slot.content = rootBranch;
            rootBranch.sourceObject = this.contentController.root;
            rootBranch.needsDraw = true;
            this.rootBranch = rootBranch;

            this.needsDraw = true;

        }
    },
    showRoot : {
        value: null
    },

    _contentController: {
        enumerable: false,
        value: null
    },

    contentController: {
        enumerable: false,
        get: function() {
            return this._contentController;
        },
        set: function(value) {
            if (this._contentController === value) {
                return;
            }

            if (this._contentController) {
                Object.deleteBinding(this, "selectedIndexes");
            }

            this._contentController = value;

            if (this._contentController) {

//this._initializeRootBranch();

                // And bind what we need from the new contentController
                var selectedIndexesBindingDescriptor;

                selectedIndexesBindingDescriptor = {
                    boundObject: this._contentController,
                    boundObjectPropertyPath: "selectedIndexes"
                };

                if (this._hasBeenDeserialized) {
                    Object.defineBinding(this, "selectedIndexes", selectedIndexesBindingDescriptor);
                } else {
                    // otherwise we need to defer it until later; we haven't been deserialized yet
                    if (!this._controllerBindingsToInstall) {
                        this._controllerBindingsToInstall = {};
                    }
                    this._controllerBindingsToInstall.selectedIndexes = selectedIndexesBindingDescriptor;
                }
            }

        }
    },

    deserializedFromTemplate: {
        value: function() {
            var controllerBindingDescriptorsToInstall = this._controllerBindingsToInstall;

            if (controllerBindingDescriptorsToInstall) {
                for (var key in controllerBindingDescriptorsToInstall) {
                    Object.defineBinding(this, key, controllerBindingDescriptorsToInstall[key]);
                }
                delete this._controllerBindingsToInstall;
            }

            this._hasBeenDeserialized = true;
        }
    },

    selectedIndexes: {
        enumerable: false,
        value: null
    }
});