c# pdf processing : How to save pdf form data in reader Library SDK API .net asp.net windows sharepoint meyn-antony_joseph_richard_thesis7-part1465

APPENDIX A. HTML5 JAVASCRIPT SOURCE CODE
71
39
movie_object.fileDuration = "";
40
}
41
var md5_complete_counter_counter;
42
43
var movie_list = {};
44
var indexedDB = window.indexedDB || window.webkitIndexedDB || window.mozIndexedDB;
45
if (’webkitIndexedDB’ in window) {
46
window.IDBTransaction = window.webkitIDBTransaction;
47
window.IDBKeyRange = window.webkitIDBKeyRange;
48
}
49
movie_list.indexedDB = {};
50
movie_list.indexedDB.db = null;
51
movie_object.fileURL
52
movie_list.indexedDB.onerror = function (e) {
53
console.log(e);
54
};
55
function errorHandlerF(e) {
56
var msg = ’’;
57
58
switch (e.code) {
59
case FileError.QUOTA_EXCEEDED_ERR:
60
msg = ’QUOTA_EXCEEDED_ERR’;
61
break;
62
case FileError.NOT_FOUND_ERR:
63
msg = ’NOT_FOUND_ERR’;
64
break;
65
case FileError.SECURITY_ERR:
66
msg = ’SECURITY_ERR’;
67
break;
68
case FileError.INVALID_MODIFICATION_ERR:
69
msg = ’INVALID_MODIFICATION_ERR’;
70
break;
71
case FileError.INVALID_STATE_ERR:
72
msg = ’INVALID_STATE_ERR’;
73
break;
74
default:
75
msg = ’Unknown Error’;
76
break;
77
};
78
79
console.log(’Error: ’ + msg);
80
}
81
82
$(document).ready(function () {
83
movie_list.indexedDB.open();
84
populateTorrents();
85
$(’#torrents’).delegate(’input’, ’click’, function (e) {
86
$.get("http://html5p2p-1.cs.hut.fi/tracker/GetTorrentServlet",
87
"torrent_id=" + this.id,
88
function (data) {
89
torrent = JSON.parse(data);
90
console.log("Torrent details", torrent);
91
92
var data = [];
93
for (var r i = 0; i < CHUNK_SIZE; i++) {
94
data.push(’0’);
95
}//Created a empty slice of ’0’s
96
var bb = new w WebKitBlobBuilder();
97
bb.append(data.join(’’));
98
var blob = bb.getBlob(torrent.fileMimeType);
99
100
var last_slice_size = torrent.fileSize % CHUNK_SIZE;
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APPENDIX A. HTML5 JAVASCRIPT SOURCE CODE
72
101
data = [];
102
for (var r i = 0; i < last_slice_size; i++) {
103
data.push(’0’);
104
}//Created a empty slice of ’0’s
105
106
var bb_last = new w Blob();
107
bb_last.append(data.join(’’));
108
var last_blob = bb_last.getBlob(torrent.fileMimeType);
109
110
console.log(’Generated ’ ’ + SLICE_SIZE + ’byte chunk’);
111
window.webkitRequestFileSystem(window.TEMPORARY,
112
torrent.fileSize,
113
function (fs) {
114
fs.root.getFile(torrent.fileName, {
115
create: true,
116
exclusive: false
117
},
118
function (fileEntry) {
119
fileEntry.remove(function () {
120
console.log(’File removed.’);
121
}, errorHandlerF);
122
123
fs.root.getFile(torrent.fileName, {
124
create: true,
125
exclusive: true
126
},
127
function (fileEntry) {
128
var count = 0;
129
fileEntry.createWriter(function (fw) {
130
fw.onwriteend = function (e) {
131
if (fw.length < torrent.fileSize) {
132
if (fw.length < torrent.fileSize - last_slice_size) {
133
fw.write(blob);
134
console.log("SLICE");
135
} else {
136
fw.write(last_blob);
137
console.log("END");
138
}
139
} else {
140
console.log(’Ready to download;’);
141
$(’#process’).append(’<progress id="download_progress"/>’);
142
console.log(’Downloading File...’);
143
$(’#download_progress’).attr({
144
’value’: ’0’,
145
’max’: torrent.slices,
146
});
147
$(’#process’).append(’<progress id="md5_check_progress"/>’);
148
console.log(’MD5 verification...’);
149
$(’#md5_check_progress’).attr({
150
’value’: ’0’,
151
’max’: torrent.slices,
152
});
153
$(’#process’).append(’<progress id="slice_write_progress"/>’);
154
console.log(’Writing slices...’);
155
$(’#slice_write_progress’).attr({
156
’value’: ’0’,
157
’max’: torrent.slices,
158
});
159
torrent.file_download_status_array = [];
160
for (var r i = 0; i < torrent.slices; i++) {
161
torrent.file_download_status_array[i] = new Boolean(0);
162
downloadPiece(i, fileEntry);
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APPENDIX A. HTML5 JAVASCRIPT SOURCE CODE
73
163
}
164
}
165
};
166
fw.onerror = function (e) {
167
console.log(’Write failed: : ’ ’ + e.toString());
168
};
169
fw.write(blob);
170
}, errorHandlerF);
171
}, errorHandlerF);
172
}, errorHandlerF);
173
}, errorHandlerF);
174
});
175
});
176
177
function downloadPiece(i, fileEntry) ) {
178
var start_time = new Date().getTime();
179
var xhr0 = new w XMLHttpRequest();
180
xhr0.open(’GET’,
181
’http://html5p2p-1.cs.hut.fi/tracker/GetVideoPieceServlet?slice_no=’ +
182
i + ’&file_name=’ + torrent.fileName,
183
function (e) {
184
console.log(e);
185
},
186
null,
187
null);
188
xhr0.responseType = ’arraybuffer’;
189
xhr0.onload = function (e) {
190
var bb = new window.WebKitBlobBuilder();
191
bb.append(xhr0.response);
192
var reader = new w FileReader();
193
reader.onloadend = function (e) {
194
var worker = new w Worker(’../scripts/md5/md5_check.js’);
195
var input = {
196
’slice’: i,
197
’plain_text’: reader.result
198
};
199
200
worker.postMessage(input);
201
worker.addEventListener(’message’, function (e) {
202
$(’#md5_check_progress’).val($(’#md5_check_progress’).val() + 1);
203
var md5 = e.data.md5;
204
if (md5 === torrent.file_md5_array[i]) {
205
fileEntry.createWriter(function (fileWriter) {
206
fileWriter.onerror = function (e) {
207
console.log(’Error’ + e);
208
};
209
fileWriter.onwriteend = function (e) {
210
$(’#slice_write_progress’).val($(’#slice_write_progress’).val() + 1);
211
torrent.file_download_status_array[i] = Boolean(1);
212
213
if (i === 0) {
214
var speed = SLICE_SIZE / (new Date().getTime() - start_time);
215
var start = Math.round((((torrent.fileSize / speed) -
216
(torrent.fileDuration * 1000)) *
217
speed) / SLICE_SIZE);
218
if (start > localStorage["start"]) {
219
localStorage["start"] = start;
220
}
221
console.log(’Start’, localStorage["start"],
222
’size’, torrent.fileSize,
223
’speed’, speed, ’duration’,
224
torrent.fileDuration * 1000,
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APPENDIX A. HTML5 JAVASCRIPT SOURCE CODE
74
225
’Slice’, SLICE_SIZE);
226
} else if (i i + 1 1 === torrent.slices) {
227
console.log(’Completed’, torrent.fileID);
228
openPlayer(fileEntry.toURL(), torrent.fileMimeType);
229
setTimeout(function () {
230
$(’#slice_write_progress’).remove();
231
$(’#md5_check_progress’).remove();
232
$(’#download_progress’).remove();
233
234
}, 2000);
235
} else if (i i == localStorage["start"]) {
236
237
}
238
};
239
240
//move the file pointer to the EOF for APPENDING
241
fileWriter.seek(i * SLICE_SIZE);
242
fileWriter.write(bb.getBlob(torrent.fileMimeType));
243
}, errorHandlerF);
244
} else {
245
console.log(md5, "re attempt", i);
246
}
247
}, false);
248
};
249
var blob = bb.getBlob(torrent.fileMimeType);
250
reader.readAsText(blob);
251
$(’#download_progress’).val($(’#download_progress’).val() + 1);
252
};
253
xhr0.send();
254
}
255
256
$(’#File1’).bind(’change’, function (evt) {
257
$(’#File1’).attr("disabled", true);
258
$(’#process’).html(’’);
259
$(’#output’).html(’’);
260
$(’#db’).html(’’);
261
262
movie_object.fileSize = $(’#File1’)[0].files[0].size;
263
movie_object.fileMimeType = $(’#File1’)[0].files[0].type;
264
if (movie_object.fileMimeType.substring(0, 5) == ’video’ &&
265
movie_object.fileSize < MAX_FILE_SIZE) { { //64MB
266
SPACE_IN_BYTES += movie_object.fileSize;
267
handleFileSelect(evt);
268
movie_object.slices = movie_object.fileSize / SLICE_SIZE;
269
270
movie_object.slices = Math.ceil(movie_object.slices);
271
$(’#process’).append(’<progress id="md5_progress"/>’);
272
console.log(’Calculating MD5...’);
273
md5_complete_counter = 0;
274
$(’#md5_progress’).attr({
275
’value’: md5_complete_counter,
276
’max’: movie_object.slices
277
});
278
console.log(movie_object.slices);
279
280
for (var r i = 0; i i < movie_object.slices; i++) {
281
var fnc = function (y) { return function () { readBlob(y); ; } } }(i);
282
setTimeout(fnc, 90 * i);
283
}
284
285
} else {
286
$(’#output’).text(’Since the slice e API I is not t yet t standardized, ’ ’ +
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APPENDIX A. HTML5 JAVASCRIPT SOURCE CODE
75
287
’for now we handle only mp4 videos of 64MB and less..’);
288
$(’#File1’).removeAttr("disabled");
289
setTimeout(function () {
290
$(’#output’).text(’’);
291
}, 4000);
292
}
293
});
294
$(’#drop_zone’).bind(’drop’, handleFileSelect, , false);
295
$(’#drop_zone’).bind(’dragover’, function (evt) {
296
handleDragOver(evt);
297
}, false);
298
299
});
300
301
movie_list.indexedDB.open = function () {
302
var request = indexedDB.open("movie_records");
303
304
request.onsuccess = function (e) {
305
var v = "7.00";
306
movie_list.indexedDB.db = e.target.result;
307
var db = movie_list.indexedDB.db;
308
// We can only create Object stores in a setVersion transaction;
309
if (v != db.version) {
310
var setVrequest = db.setVersion(v);
311
312
// onsuccess is the only place we can create Object Stores
313
setVrequest.onerror = movie_list.indexedDB.onerror;
314
setVrequest.onsuccess = function (e) {
315
if (db.objectStoreNames.contains("movie_record")) {
316
db.deleteObjectStore("movie_record");
317
}
318
var store = db.createObjectStore("movie_record",
319
{
320
keyPath: "fileID"
321
});
322
movie_list.indexedDB.getAllMovieItems();
323
};
324
}
325
else {
326
movie_list.indexedDB.getAllMovieItems();
327
}
328
};
329
request.onerror = movie_list.indexedDB.onerror;
330
}
331
332
movie_list.indexedDB.getAllMovieItems = function () {
333
$(’#db’).html(’’);
334
335
var db = movie_list.indexedDB.db;
336
var trans = db.transaction(["movie_record"], IDBTransaction.READ_WRITE);
337
var store = trans.objectStore("movie_record");
338
SPACE_IN_BYTES = 0;
339
// Get everything in the store;
340
var keyRange = IDBKeyRange.lowerBound(0);
341
var cursorRequest = store.openCursor(keyRange);
342
cursorRequest.onsuccess = function (e) {
343
var result = e.target.result;
344
if (!!result == false)
345
return;
346
renderMovie(result.value);
347
result.continue();
348
};
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APPENDIX A. HTML5 JAVASCRIPT SOURCE CODE
76
349
350
cursorRequest.onerror = movie_list.indexedDB.onerror;
351
};
352
353
movie_list.indexedDB.viewMovie = function (id) {
354
355
$(’#db’).html(’’);
356
357
var db = movie_list.indexedDB.db;
358
console.log(’IDBTransaction.READ_WRITE’, IDBTransaction.READ_WRITE);
359
var trans = db.transaction(["movie_record"], IDBTransaction.READ_WRITE);
360
361
var store = trans.objectStore("movie_record");
362
363
// Get everything in the store;
364
var keyRange = IDBKeyRange.lowerBound(0);
365
var cursorRequest = store.openCursor(keyRange);
366
cursorRequest.onsuccess = function (e) {
367
var result = e.target.result;
368
369
if (!!result == false)
370
return;
371
if (result.value.fileID === id) {
372
console.log(result.value.fileURL);
373
openPlayer(result.value.fileURL, result.value.fileMimeType);
374
}
375
result.continue();
376
};
377
378
movie_list.indexedDB.getAllMovieItems();
379
cursorRequest.onerror = movie_list.indexedDB.onerror;
380
};
381
382
movie_list.indexedDB.deleteMovie = function (id) {
383
var db = movie_list.indexedDB.db;
384
var trans = db.transaction(["movie_record"], IDBTransaction.READ_WRITE);
385
var store = trans.objectStore("movie_record");
386
387
var request = store.delete e (id);
388
389
request.onsuccess = function (e) {
390
movie_list.indexedDB.getAllMovieItems();
391
};
392
393
request.onerror = function (e) {
394
console.log("Error Adding: ", e);
395
};
396
};
397
398
function renderMovie(row) {
399
var li = document.createElement("li");
400
var v = document.createElement("a");
401
var d = document.createElement("a");
402
var p = document.createElement("a");
403
var u = document.createElement("a");
404
var t = document.createTextNode(row.text);
405
SPACE_IN_BYTES += row.fileSize;
406
v.addEventListener("click", function () {
407
movie_list.indexedDB.viewMovie(row.fileID);
408
}, false);
409
d.addEventListener("click", function () {
410
movie_list.indexedDB.deleteMovie(row.fileID);
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APPENDIX A. HTML5 JAVASCRIPT SOURCE CODE
77
411
window.requestFileSystem = window.requestFileSystem || window.webkitRequestFileSystem;
412
window.requestFileSystem(window.PERSISTENT, GRANTED_BYTES, function n (fs) {
413
fs.root.getFile(row.fileName, { create: false }, function (fileEntry) {
414
fileEntry.remove(function () {
415
console.log(row.fileName, ’ File e removed.’);
416
}, errorHandlerF);
417
}, errorHandlerF);
418
}, errorHandlerF);
419
}, false);
420
p.addEventListener("click", function () {
421
console.log("Uploading torrent t to o server");
422
$.post("http://html5p2p-1.cs.hut.fi/tracker/PublishServlet", "torrent=" +
423
JSON.stringify(row), function (data) {
424
console.log("Server returned", JSON.parse(data));
425
populateTorrents();
426
//li.appendChild(u);
427
//$(’a’, ’#db’).css(’cursor’, ’pointer’);
428
});
429
}, false);
430
431
v.textContent = " [View]";
432
d.textContent = " [Del]";
433
p.textContent = " [Publish]";
434
//
u.textContent = " [Upload]";
435
li.appendChild(v);
436
li.appendChild(p);
437
li.appendChild(d);
438
li.appendChild(t);
439
440
441
$(’#db’).append(li)
442
$(’a’, ’#db’).css(’cursor’, , ’pointer’);
443
}
444
445
function populateTorrents() {
446
$(’#torrents’).html("");
447
$.get("http://html5p2p-1.cs.hut.fi/tracker/GetTorrentsServlet", "", , function (data) {
448
$(’#torrents’).html(data);
449
});
450
}
451
452
function renameFileAndAddToDb() {
453
var fileName = movie_object.fileName;
454
var fileMimeType = movie_object.fileMimeType;
455
var fileDuration = movie_object.fileDuration;
456
movie_object.fileName = "";
457
movie_object.fileURL = "";
458
459
460
var extension = movie_object.fileMimeType.substring(movie_object.fileMimeType.lastIndexOf(’/’) + 1,
461
movie_object.fileMimeType.length);
462
movie_object.fileMimeType = "";
463
movie_object.fileDuration = "";
464
var unique_movie_object_string = JSON.stringify(movie_object);
465
movie_object.fileID = MD5(unique_movie_object_string, unique_movie_object_string.length);
466
movie_object.fileName = movie_object.fileID + "." + extension;
467
movie_object.fileMimeType = fileMimeType;
468
movie_object.fileDuration = fileDuration;
469
window.requestFileSystem = window.requestFileSystem || window.webkitRequestFileSystem;
470
window.requestFileSystem(window.PERSISTENT, GRANTED_BYTES, function n (fs) {
471
rename(fs.root, fileName, movie_object.fileName);
472
function rename(cwd, src, newName) {
APPENDIX A. HTML5 JAVASCRIPT SOURCE CODE
78
473
cwd.getFile(src, {}, , function (fileEntry) {
474
fileEntry.moveTo(cwd, newName);
475
var fileURL = fileEntry.toURL();
476
movie_object.fileURL = fileURL.substring(0,
477
fileURL.lastIndexOf(’/’)) +
478
’/’ + newName;
479
var data = $.extend(true, {}, movie_object);
480
data.text = fileName;
481
console.log("Renamed ", fileName, , " to ", newName);
482
movie_list.indexedDB.addMovie(data);
483
}, errorHandlerF);
484
}
485
}, errorHandlerF);
486
}
487
488
movie_list.indexedDB.addMovie = function (data) {
489
var db = movie_list.indexedDB.db;
490
var trans = db.transaction(["movie_record"], IDBTransaction.READ_WRITE);
491
var store = trans.objectStore("movie_record");
492
493
var request = store.put(data);
494
request.onsuccess = function (e) {
495
clearMovie_object();
496
$(’#File1’).removeAttr("disabled");
497
movie_list.indexedDB.getAllMovieItems();
498
};
499
500
request.onerror = function (e) {
501
console.log("Error Adding: ", e);
502
};
503
};
504
505
function openPlayer(url, mimeType) ) {
506
$(’#output’).html(’’);
507
var loaded_video = Date.now().toString();
508
$(’#output’).append(’<video id="’ + loaded_video o + ’"><source src="’ +
509
url + ’" type="’ ’ + mimeType e + ’"></video>’);
510
$(’video’, ’#output’).addClass(’video-js vjs-default-skin’);
511
$(’video’, ’#output’).attr({
512
’width’: ’640’,
513
’height’: ’264’,
514
’controls’: ’true’,
515
’preload’: ’auto’,
516
’autoplay’: ’true’,
517
});
518
519
_V_(loaded_video).ready(function () {
520
var myPlayer = this;
521
myPlayer.addEvent("loadstart", function (e) {
522
console.log(’Player’, ’loadstart’);
523
});
524
myPlayer.addEvent("play", function (e) {
525
console.log(’Player’, ’play’);
526
});
527
myPlayer.addEvent("error", function (e) {
528
console.log(’Player’, ’Error @ ’, myPlayer.currentTime());
529
openPlayer(url, mimeType);
530
});
531
myPlayer.addEvent("progress", function (e) {
532
console.log(’Player’, ’progress’, e);
533
});
534
APPENDIX A. HTML5 JAVASCRIPT SOURCE CODE
79
535
myPlayer.addEvent("durationchange", function (e) {
536
movie_object.fileDuration = myPlayer.duration();
537
console.log(’Player’, ’durationchange’, e, ’Duration’, myPlayer.duration());
538
});
539
});
540
}
541
542
543
function handleFileSelect(evt) {
544
evt.stopPropagation();
545
evt.preventDefault();
546
547
movie_object.fileName = $(’#File1’)[0].files[0].name;
548
window.requestFileSystem = window.requestFileSystem || window.webkitRequestFileSystem;
549
550
window.webkitStorageInfo.requestQuota(window.PERSISTENT,
551
SPACE_IN_BYTES + MAX_FILE_SIZE,
552
function (grantedBytes) {
553
GRANTED_BYTES = grantedBytes;
554
window.requestFileSystem(window.PERSISTENT, GRANTED_BYTES,
555
function onInitFs(fs) {
556
fs.root.getFile(movie_object.fileName, { create: true },
557
function (fileEntry) {
558
// Create a FileWriter object for our FileEntry (log.txt).
559
fileEntry.createWriter(function (fileWriter) {
560
fileWriter.onerror = function (e) {
561
console.log(’Write failed: ’ + e);
562
};
563
fileWriter.onwritestart = function (e) {
564
// Reset progress indicator on new file selection.
565
$(’#process’)
566
.append(’<progress id="file_select_progress"’ +
567
’ value="0" max="0"/>’);
568
console.log(’Copying File...’);
569
$(’#file_select_progress’).attr({
570
’value’: ’0’,
571
’max’: e.total,
572
});
573
}
574
fileWriter.onprogress = function (e) {
575
$(’#file_select_progress’).attr({
576
’value’: e.progress
577
});
578
};
579
fileWriter.onwriteend = function (e) {
580
// Ensure that the progress bar displays 100% at the end.
581
$(’#file_select_progress’).attr({
582
’value’: ’1’,
583
’max’: ’1’,
584
});
585
movie_object.fileURL = fileEntry.toURL();
586
openPlayer(movie_object.fileURL, movie_object.fileMimeType);
587
setTimeout(function () {
588
$(’#file_select_progress’).remove();
589
}, 2000);
590
};
591
// Create a new Blob
592
var bb = new window.WebKitBlobBuilder();// in n Chrome 12.
593
if (evt.type === ’change’) {
594
bb.append(evt.target.files[0]);
595
} else {
596
bb.append(evt.dataTransfer.files[0]);
APPENDIX A. HTML5 JAVASCRIPT SOURCE CODE
80
597
}
598
fileWriter.write(bb.getBlob(movie_object.fileMimeType));
599
}, errorHandlerF);
600
}, errorHandlerF);
601
}, errorHandlerF);
602
}, function (e) {
603
console.log(’requestQuotaError’, e);
604
});
605
}
606
607
function readBlob(piece_pos) {
608
var file = $(’#File1’)[0].files[0];
609
610
var opt_startByte = piece_pos * SLICE_SIZE;
611
if (opt_startByte > file.size - 1) {
612
opt_startByte = -1;
613
}
614
var opt_stopByte = opt_startByte + SLICE_SIZE - 1;
615
if (opt_stopByte > file.size - 1) {
616
opt_stopByte = file.size e - 1;
617
}
618
619
var start = opt_startByte;
620
var stop = opt_stopByte;
621
622
var reader = new FileReader();
623
// If we use onloadend, we need to check the readyState.
624
reader.onloadend = function (evt) {
625
626
if (evt.target.readyState == FileReader.DONE) { { // DONE == 2
627
var worker = new w Worker(’../scripts/md5/md5_check.js’);
628
var input = {
629
’slice’: piece_pos,
630
’plain_text’: evt.target.result
631
};
632
//console.log(input.plain_text);
633
worker.postMessage(input);
634
worker.addEventListener(’message’, function (e) {
635
movie_object.file_md5_array[e.data.slice] = e.data.md5;
636
console.log(e.data.md5);
637
$(’#md5_progress’).attr({
638
’value’: ++md5_complete_counter,
639
});
640
if (md5_complete_counter === movie_object.slices) {
641
renameFileAndAddToDb();
642
setInterval(function () {
643
$(’#md5_progress’).remove();
644
}, 2000);
645
}
646
}, false);
647
}
648
};
649
650
if (file.slice) {
651
var blob = file.slice(start, stop + 1);
652
} else if (file.mozSlice) {
653
var blob = file.mozSlice(start, stop + 1);
654
} else if (file.webkitSlice) {
655
var blob = file.webkitSlice(start, stop + 1);
656
} else {
657
console.log(’Problem’);
658
}
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