aboutsummaryrefslogtreecommitdiffstats
path: root/view/js/mod_cloud.js
blob: f7f9092c0c372747bd1d9f3559225ef795e660d5 (plain) (blame)
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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
/**
 * JavaScript for mod/cloud
 */

$(document).ready(function () {
	// call initialization file
	if (window.File && window.FileList && window.FileReader) {
		UploadInit();
	}
});

//
// initialize
function UploadInit() {

	var fileselect = $("#files-upload");
	var filedrag = $("#cloud-drag-area");
	var submit = $("#upload-submit");

	// is XHR2 available?
	var xhr = new XMLHttpRequest();
	if (xhr.upload) {

		// file select
		fileselect.on("change", UploadFileSelectHandler);

		// file submit
		submit.on("click", fileselect, UploadFileSelectHandler);

		// file drop
		filedrag.on("dragover", DragDropUploadFileHover);
		filedrag.on("dragleave", DragDropUploadFileHover);
		filedrag.on("drop", DragDropUploadFileSelectHandler);
	}

	window.filesToUpload = 0;
	window.fileUploadsCompleted = 0;
}

// file drag hover
function DragDropUploadFileHover(e) {
	e.stopPropagation();
	e.preventDefault();
	e.currentTarget.className = (e.type == "dragover" ? "hover" : "");
}

// file selection via drag/drop
function DragDropUploadFileSelectHandler(e) {
	// cancel event and hover styling
	DragDropUploadFileHover(e);

	// fetch FileList object
	var files = e.target.files || e.originalEvent.dataTransfer.files;

	$('.new-upload').remove();

	// process all File objects
	for (var i = 0, f; f = files[i]; i++) {
		prepareHtml(f, i);
		UploadFile(f, i);
	}
}

// file selection via input
function UploadFileSelectHandler(e) {
	// fetch FileList object
	if(e.type === 'click') {
		e.preventDefault();
		var files = e.data[0].files;
	}
	else {
		var files = e.target.files;
	}

	$('.new-upload').remove();

	// process all File objects
	for (var i = 0, f; f = files[i]; i++) {
		prepareHtml(f, i);
		if(e.type === 'click')
			UploadFile(f, i);
	}
}

function prepareHtml(f, i) {
	$("#cloud-index tr:nth-child(2)").after(
		'<tr id=\"new-upload-' + i + '\" class=\"new-upload\" style=\"background: url(\'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mOM2RFTDwAE2QHxFMHIIwAAAABJRU5ErkJggg==\') repeat-y; background-size: 3px;\">' +
		'<td><i class=\"fa ' + getIconFromType(f.type) + '\" title=\"' + f.type + '\"></i></td>' +
		'<td>' + f.name + '</td>' +
		'<td id=\"upload-progress-' + i + '\"></td><td></td><td></td><td></td><td></td>' +
		'<td class=\"hidden-xs\">' + formatSizeUnits(f.size) + '</td><td class=\"hidden-xs\"></td>' +
		'</tr>'
	);
}

function formatSizeUnits(bytes){
        if      (bytes>=1000000000) {bytes=(bytes/1000000000).toFixed(2)+' GB';}
        else if (bytes>=1000000)    {bytes=(bytes/1000000).toFixed(2)+' MB';}
        else if (bytes>=1000)       {bytes=(bytes/1000).toFixed(2)+' KB';}
        else if (bytes>1)           {bytes=bytes+' bytes';}
        else if (bytes==1)          {bytes=bytes+' byte';}
        else                        {bytes='0 byte';}
        return bytes;
}

// this is basically a js port of include/text.php getIconFromType() function
function getIconFromType(type) {
	var map = {
		//Common file
		'application/octet-stream': 'fa-file-o',
		//Text
		'text/plain': 'fa-file-text-o',
		'application/msword': 'fa-file-word-o',
		'application/pdf': 'fa-file-pdf-o',
		'application/vnd.oasis.opendocument.text': 'fa-file-word-o',
		'application/epub+zip': 'fa-book',
		//Spreadsheet
		'application/vnd.oasis.opendocument.spreadsheet': 'fa-file-excel-o',
		'application/vnd.ms-excel': 'fa-file-excel-o',
		//Image
		'image/jpeg': 'fa-picture-o',
		'image/png': 'fa-picture-o',
		'image/gif': 'fa-picture-o',
		'image/svg+xml': 'fa-picture-o',
		//Archive
		'application/zip': 'fa-file-archive-o',
		'application/x-rar-compressed': 'fa-file-archive-o',
		//Audio
		'audio/mpeg': 'fa-file-audio-o',
		'audio/wav': 'fa-file-audio-o',
		'application/ogg': 'fa-file-audio-o',
		'audio/ogg': 'fa-file-audio-o',
		'audio/webm': 'fa-file-audio-o',
		'audio/mp4': 'fa-file-audio-o',
		//Video
		'video/quicktime': 'fa-file-video-o',
		'video/webm': 'fa-file-video-o',
		'video/mp4': 'fa-file-video-o',
		'video/x-matroska': 'fa-file-video-o'
	};

	var iconFromType = 'fa-file-o';

	if (type in map) {
		iconFromType = map[type];
	}

	return iconFromType;
}

// upload  files
function UploadFile(file, idx) {

	window.filesToUpload = window.filesToUpload + 1;

	var xhr = new XMLHttpRequest();

	xhr.withCredentials = true;   // Include the SESSION cookie info for authentication

	(xhr.upload || xhr).addEventListener('progress', function (e) {
		var done = e.position || e.loaded;
		var total = e.totalSize || e.total;
		// Dynamically update the percentage complete displayed in the file upload list
		$('#upload-progress-' + idx).html(Math.round(done / total * 100) + '%');
		$('#new-upload-' + idx).css('background-size', Math.round(done / total * 100) + '%');
	});

	xhr.addEventListener('load', function (e) {

		//console.log('xhr upload complete', e);
		window.fileUploadsCompleted = window.fileUploadsCompleted + 1;

		// When all the uploads have completed, refresh the page
		if (window.filesToUpload > 0 && window.fileUploadsCompleted === window.filesToUpload) {
			window.fileUploadsCompleted = window.filesToUpload = 0;

			// After uploads complete, refresh browser window to display new files
			window.location.href = window.location.href;
		}
	});

	// POST to the entire cloud path 
	xhr.open('post', window.location.pathname, true);

	var data = new FormData(document.getElementById("ajax-upload-files"));

	data.append('file', file);

	xhr.send(data);
}