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1/* <copyright>
2This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
3No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
4(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
5</copyright> */
6
7var Montage = require("montage/core/core").Montage;
8var Composer = require("montage/ui/composer/composer").Composer;
9
10exports.DragDropComposer = Montage.create(Composer, {
11
12 draggable: {
13 value: true
14 },
15
16 droppable: {
17 value: true
18 },
19
20 identifier: {
21 value: "generic"
22 },
23
24 _dragover: {
25 value: false
26 },
27
28 load: {
29 value: function() {
30 //TODO: to make this work even better check to see if this is a component or not
31 //right now it does not support data-montage id's
32 this.element.addEventListener("mouseover", this, true);
33 this.element.addEventListener("mouseout", this, true);
34 this.component.element.addEventListener("dragenter", this, true);
35 this.component.element.addEventListener("dragleave", this, true);
36 this.component.element.addEventListener("dragend", this, true);
37 this.component.element.addEventListener("drop", this, true);
38 this.component.element.addEventListener("dragover", this, true);
39 this.component.element.addEventListener("dragstart", this, true);
40 }
41 },
42
43 unload: {
44 value: function() {
45 this.element.removeEventListener("mouseover", this, true);
46 this.element.removeEventListener("mouseout", this, true);
47 this.component.element.removeEventListener("dragenter", this, true);
48 this.component.element.removeEventListener("dragleave", this, true);
49 this.component.element.removeEventListener("dragend", this, true);
50 this.component.element.removeEventListener("drop", this, true);
51 this.component.element.removeEventListener("dragover", this, true);
52 this.component.element.removeEventListener("dragstart", this, true);
53 }
54 },
55
56 captureMouseover: {
57 value: function(e) {
58 if(this.draggable) {
59 this.component.element.draggable = true;
60 }
61 }
62 },
63
64 captureMouseout: {
65 value: function(e) {
66 this.component.element.draggable = false;
67 }
68 },
69
70 /* ------ Drag Drop Events ------- */
71
72 // This Function will determine what is being moved
73 captureDragstart: {
74 value:function(e) {
75 e.dataTransfer.effectAllowed = 'move';
76 e.dataTransfer.setData('Text', this.identifier);
77 this.component.element.classList.add("dragging");
78 this.component.application.ninja.componentBeingDragged = this.component;
79 }
80 },
81
82 captureDragenter: {
83 value: function(e) {
84
85 }
86 },
87
88 captureDragover: {
89 value:function(e) {
90 e.preventDefault();
91 e.stopImmediatePropagation();
92 if (!this._dragover) {
93 this._dragover = true;
94 this.component.element.classList.add("dragOver");
95 }
96 }
97 },
98
99 captureDragleave: {
100 value: function(e) {
101 if (this._dragover) {
102 this._dragover = false;
103 this.component.element.classList.remove("dragOver");
104 }
105 }
106 },
107
108 captureDrop: {
109 value:function(e) {
110 e.stopPropagation(); // Stops some browsers from redirecting.
111 e.preventDefault();
112 if (this._dragover) {
113 this._dragover = false;
114 this.component.element.classList.remove("dragOver");
115 if (this.identifier === e.dataTransfer.getData("Text")) {
116 if(this.component.application.ninja.componentBeingDragged !== this.component) {
117 dropEvent = document.createEvent("CustomEvent");
118 dropEvent.initCustomEvent("dropped", true, false, null);
119 dropEvent.draggedComponent = this.component.application.ninja.componentBeingDragged;
120 dropEvent.droppedComponent = this.component;
121 this.component.dispatchEvent(dropEvent);
122 }
123 }
124 this.component.application.ninja.componentBeingDragged = null;
125 }
126
127 }
128 },
129
130 captureDragend: {
131 value:function(e) {
132 this.component.element.classList.remove("dragging");
133 }
134 }
135
136}); \ No newline at end of file