aboutsummaryrefslogtreecommitdiff
path: root/js/mediators/drag-drop-mediator.js
blob: 59086ef6240fe4a19b3b552eccddd831c4bc44e1 (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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/* <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,
    NJUtils     = require("js/lib/NJUtils").NJUtils;

exports.DragDropMediator = Montage.create(Component, {
    dropTarget: {
        value: null,
        writable: true
    },
    
    dropDelegate: {
        value: null
    },

    deserializedFromTemplate: {
        value: function() {
            this.eventManager.addEventListener("appLoaded", this, false);
        }
    },

    handleAppLoaded: {
        value: function() {
            this.dropTarget = this.application.ninja.stage.drawingCanvas;

            this.dropTarget.addEventListener("dragover", this, false);
            this.dropTarget.addEventListener("dragend", this, false);
            this.dropTarget.addEventListener("drop", this, false);
        }
    },

    handleEvent: {
        value: function(event){
            event.preventDefault();
            event.stopImmediatePropagation();

            switch(event.type) {
                case "dragover":
                    return false;
                case "dragend":
                    return false;
                case "drop":
                    this.handleDropEvent(event);
                    break;
                default:
                    console.log("Default");
                    break;
            }
        }
    },

    handleDropEvent: {
        value: function(e){
        	//
        	var i, files = e.dataTransfer.files, position = {x: e.offsetX, y: e.offsetY},
        		rootUrl = this.application.ninja.coreIoApi.rootUrl+escape((this.application.ninja.documentController.documentHackReference.root.split(this.application.ninja.coreIoApi.cloudData.root)[1])),
        		rootUri = this.application.ninja.documentController.documentHackReference.root;

            var xferString = e.dataTransfer.getData("text/plain");
            if(xferString) {
                // If the drop is a component, call the delegate with the top,left coordinates
                if(xferString.indexOf("componentDrop") > -1) {
                    if(this.dropDelegate && typeof this.dropDelegate === 'object') {
                        this.dropDelegate.handleComponentDrop(e.offsetX - this.application.ninja.stage.userContentLeft, e.offsetY - this.application.ninja.stage.userContentTop);
                        return;
                    }
                }
            }
        	//
        	for (i=0; files[i]; i++) {
        		if (files[i].type.indexOf('image') !== -1) {
        			var reader = new FileReader(), file = reader.readAsArrayBuffer(files[i]);
        			reader.fileName = files[i].name, reader.fileType = files[i].type, reader.rootUrl = rootUrl, reader.rootUri = rootUri, reader.filePosition = position;
        			reader.onload = function (e) {
        				//
        				var url, uri, dir, save, counter, tempName, element, rules, fileName;
        				if (this.application.ninja.coreIoApi.directoryExists({uri: e.currentTarget.rootUri+'images'}).status === 204) {
        					uri = e.currentTarget.rootUri+'images';
        					url = e.currentTarget.rootUrl+'images';
        				} else if (this.application.ninja.coreIoApi.directoryExists({uri: e.currentTarget.rootUri+'img'}).status === 204) {
        					uri = e.currentTarget.rootUri+'img';
        					url = e.currentTarget.rootUrl+'img';
        				} else {
        					dir = this.application.ninja.coreIoApi.createDirectory({uri: e.currentTarget.rootUri+'images'});
        					if (dir.success && dir.status === 201) {
        						uri = e.currentTarget.rootUri+'images';
        						url = e.currentTarget.rootUrl+'images';
        					} else {
        						//TODO: HANDLE ERROR ON CREATING FOLDER
        					}
        				}
        				//
        				if (this.application.ninja.coreIoApi.fileExists({uri: uri+'/'+e.currentTarget.fileName}).status === 404) {
        					save = this.application.ninja.coreIoApi.createFile({uri: uri+'/'+e.currentTarget.fileName, contents: e.currentTarget.result, contentType: e.currentTarget.fileType});
        					fileName = e.currentTarget.fileName;
        				} else {
        					counter = 1;
        					tempName = e.currentTarget.fileName.split('.'+(e.currentTarget.fileName.split('.')[e.currentTarget.fileName.split('.').length-1]))[0];
        					tempName += '_'+counter+'.'+(e.currentTarget.fileName.split('.')[e.currentTarget.fileName.split('.').length-1]);
        					while (this.application.ninja.coreIoApi.fileExists({uri: uri+'/'+tempName}).status !== 404) {
        						counter++;
        						tempName = e.currentTarget.fileName.split('.'+(e.currentTarget.fileName.split('.')[e.currentTarget.fileName.split('.').length-1]))[0];
        						tempName += '_'+counter+'.'+(e.currentTarget.fileName.split('.')[e.currentTarget.fileName.split('.').length-1]);
        					}
        					save = this.application.ninja.coreIoApi.createFile({uri: uri+'/'+tempName, contents: e.currentTarget.result, contentType: e.currentTarget.fileType});
        					fileName = tempName;
        				}
        				if (save && save.success && save.status === 201) {
                            var self = this;
        					//
        					if (e.currentTarget.fileType.indexOf('svg') !== -1) {
        						element = NJUtils.make('embed', null, this.application.ninja.currentDocument);//TODO: Verify this is proper
                                NJUtils.createModelWithSelection(element, "SVG");
        						element.type = 'image/svg+xml';
                    			element.src = url+'/'+fileName;
        					} else {
        						element = NJUtils.make('image', null, this.application.ninja.currentDocument);
                                NJUtils.createModel(element);
                    			element.src = url+'/'+fileName;
        					}
        					//Adding element once it is loaded
	        				element.onload = function () {
			        			element.onload = null;
                               	self.application.ninja.elementMediator.addElements(element, rules, true);
        					};
        					//Setting rules of element
        					rules = {
                    					'position': 'absolute',
                    					'top' : (parseInt(e.currentTarget.filePosition.y) - parseInt(this.application.ninja.stage.userContentTop)) + 'px',
                    					'left' : (parseInt(e.currentTarget.filePosition.x) - parseInt(this.application.ninja.stage.userContentLeft)) + 'px'
                			};
                			//
                			self.application.ninja.elementMediator.addElements(element, rules, false);
        				} else {
        					//TODO: HANDLE ERROR ON SAVING FILE TO BE ADDED AS ELEMENT
        				}
        			}.bind(this);
        		} else {
        			//TODO: NOT AN IMAGE, HANDLE SPECIAL CASE
        		}
        	}
        	//Not sure why return value should be, seemed as false to work
        	return false;
        }
    }
});