| 1 |
/** |
| 2 |
* http://github.com/valums/file-uploader |
| 3 |
* |
| 4 |
* Multiple file upload component with progress-bar, drag-and-drop. |
| 5 |
* © 2010 Andrew Valums ( andrew(at)valums.com ) |
| 6 |
* |
| 7 |
* Licensed under GNU GPL 2 or later, see license.txt. |
| 8 |
*/ |
| 9 |
|
| 10 |
// |
| 11 |
// Helper functions |
| 12 |
// |
| 13 |
|
| 14 |
var qq = qq || {}; |
| 15 |
|
| 16 |
/** |
| 17 |
* Adds all missing properties from second obj to first obj |
| 18 |
*/ |
| 19 |
qq.extend = function(first, second){ |
| 20 |
for (var prop in second){ |
| 21 |
first[prop] = second[prop]; |
| 22 |
} |
| 23 |
}; |
| 24 |
|
| 25 |
/** |
| 26 |
* Searches for a given element in the array, returns -1 if it is not present. |
| 27 |
* @param {Number} [from] The index at which to begin the search |
| 28 |
*/ |
| 29 |
qq.indexOf = function(arr, elt, from){ |
| 30 |
if (arr.indexOf) return arr.indexOf(elt, from); |
| 31 |
|
| 32 |
from = from || 0; |
| 33 |
var len = arr.length; |
| 34 |
|
| 35 |
if (from < 0) from += len; |
| 36 |
|
| 37 |
for (; from < len; from++){ |
| 38 |
if (from in arr && arr[from] === elt){ |
| 39 |
return from; |
| 40 |
} |
| 41 |
} |
| 42 |
return -1; |
| 43 |
}; |
| 44 |
|
| 45 |
qq.getUniqueId = (function(){ |
| 46 |
var id = 0; |
| 47 |
return function(){ return id++; }; |
| 48 |
})(); |
| 49 |
|
| 50 |
// |
| 51 |
// Events |
| 52 |
|
| 53 |
qq.attach = function(element, type, fn){ |
| 54 |
if (element.addEventListener){ |
| 55 |
element.addEventListener(type, fn, false); |
| 56 |
} else if (element.attachEvent){ |
| 57 |
element.attachEvent('on' + type, fn); |
| 58 |
} |
| 59 |
}; |
| 60 |
qq.detach = function(element, type, fn){ |
| 61 |
if (element.removeEventListener){ |
| 62 |
element.removeEventListener(type, fn, false); |
| 63 |
} else if (element.attachEvent){ |
| 64 |
element.detachEvent('on' + type, fn); |
| 65 |
} |
| 66 |
}; |
| 67 |
|
| 68 |
qq.preventDefault = function(e){ |
| 69 |
if (e.preventDefault){ |
| 70 |
e.preventDefault(); |
| 71 |
} else{ |
| 72 |
e.returnValue = false; |
| 73 |
} |
| 74 |
}; |
| 75 |
|
| 76 |
// |
| 77 |
// Node manipulations |
| 78 |
|
| 79 |
/** |
| 80 |
* Insert node a before node b. |
| 81 |
*/ |
| 82 |
qq.insertBefore = function(a, b){ |
| 83 |
b.parentNode.insertBefore(a, b); |
| 84 |
}; |
| 85 |
qq.remove = function(element){ |
| 86 |
element.parentNode.removeChild(element); |
| 87 |
}; |
| 88 |
|
| 89 |
qq.contains = function(parent, descendant){ |
| 90 |
// compareposition returns false in this case |
| 91 |
if (parent == descendant) return true; |
| 92 |
|
| 93 |
if (parent.contains){ |
| 94 |
return parent.contains(descendant); |
| 95 |
} else { |
| 96 |
return !!(descendant.compareDocumentPosition(parent) & 8); |
| 97 |
} |
| 98 |
}; |
| 99 |
|
| 100 |
/** |
| 101 |
* Creates and returns element from html string |
| 102 |
* Uses innerHTML to create an element |
| 103 |
*/ |
| 104 |
qq.toElement = (function(){ |
| 105 |
var div = document.createElement('div'); |
| 106 |
return function(html){ |
| 107 |
div.innerHTML = html; |
| 108 |
var element = div.firstChild; |
| 109 |
div.removeChild(element); |
| 110 |
return element; |
| 111 |
}; |
| 112 |
})(); |
| 113 |
|
| 114 |
// |
| 115 |
// Node properties and attributes |
| 116 |
|
| 117 |
/** |
| 118 |
* Sets styles for an element. |
| 119 |
* Fixes opacity in IE6-8. |
| 120 |
*/ |
| 121 |
qq.css = function(element, styles){ |
| 122 |
if (styles.opacity != null){ |
| 123 |
if (typeof element.style.opacity != 'string' && typeof(element.filters) != 'undefined'){ |
| 124 |
styles.filter = 'alpha(opacity=' + Math.round(100 * styles.opacity) + ')'; |
| 125 |
} |
| 126 |
} |
| 127 |
qq.extend(element.style, styles); |
| 128 |
}; |
| 129 |
qq.hasClass = function(element, name){ |
| 130 |
var re = new RegExp('(^| )' + name + '( |$)'); |
| 131 |
return re.test(element.className); |
| 132 |
}; |
| 133 |
qq.addClass = function(element, name){ |
| 134 |
if (!qq.hasClass(element, name)){ |
| 135 |
element.className += ' ' + name; |
| 136 |
} |
| 137 |
}; |
| 138 |
qq.removeClass = function(element, name){ |
| 139 |
var re = new RegExp('(^| )' + name + '( |$)'); |
| 140 |
element.className = element.className.replace(re, ' ').replace(/^\s+|\s+$/g, ""); |
| 141 |
}; |
| 142 |
qq.setText = function(element, text){ |
| 143 |
element.innerText = text; |
| 144 |
element.textContent = text; |
| 145 |
}; |
| 146 |
|
| 147 |
// |
| 148 |
// Selecting elements |
| 149 |
|
| 150 |
qq.children = function(element){ |
| 151 |
var children = [], |
| 152 |
child = element.firstChild; |
| 153 |
|
| 154 |
while (child){ |
| 155 |
if (child.nodeType == 1){ |
| 156 |
children.push(child); |
| 157 |
} |
| 158 |
child = child.nextSibling; |
| 159 |
} |
| 160 |
|
| 161 |
return children; |
| 162 |
}; |
| 163 |
|
| 164 |
qq.getByClass = function(element, className){ |
| 165 |
if (element.querySelectorAll){ |
| 166 |
return element.querySelectorAll('.' + className); |
| 167 |
} |
| 168 |
|
| 169 |
var result = []; |
| 170 |
var candidates = element.getElementsByTagName("*"); |
| 171 |
var len = candidates.length; |
| 172 |
|
| 173 |
for (var i = 0; i < len; i++){ |
| 174 |
if (qq.hasClass(candidates[i], className)){ |
| 175 |
result.push(candidates[i]); |
| 176 |
} |
| 177 |
} |
| 178 |
return result; |
| 179 |
}; |
| 180 |
|
| 181 |
/** |
| 182 |
* obj2url() takes a json-object as argument and generates |
| 183 |
* a querystring. pretty much like jQuery.param() |
| 184 |
* |
| 185 |
* how to use: |
| 186 |
* |
| 187 |
* `qq.obj2url({a:'b',c:'d'},'http://any.url/upload?otherParam=value');` |
| 188 |
* |
| 189 |
* will result in: |
| 190 |
* |
| 191 |
* `http://any.url/upload?otherParam=value&a=b&c=d` |
| 192 |
* |
| 193 |
* @param Object JSON-Object |
| 194 |
* @param String current querystring-part |
| 195 |
* @return String encoded querystring |
| 196 |
*/ |
| 197 |
qq.obj2url = function(obj, temp, prefixDone){ |
| 198 |
var uristrings = [], |
| 199 |
prefix = '&', |
| 200 |
add = function(nextObj, i){ |
| 201 |
var nextTemp = temp |
| 202 |
? (/\[\]$/.test(temp)) // prevent double-encoding |
| 203 |
? temp |
| 204 |
: temp+'['+i+']' |
| 205 |
: i; |
| 206 |
if ((nextTemp != 'undefined') && (i != 'undefined')) { |
| 207 |
uristrings.push( |
| 208 |
(typeof nextObj === 'object') |
| 209 |
? qq.obj2url(nextObj, nextTemp, true) |
| 210 |
: (Object.prototype.toString.call(nextObj) === '[object Function]') |
| 211 |
? encodeURIComponent(nextTemp) + '=' + encodeURIComponent(nextObj()) |
| 212 |
: encodeURIComponent(nextTemp) + '=' + encodeURIComponent(nextObj) |
| 213 |
); |
| 214 |
} |
| 215 |
}; |
| 216 |
|
| 217 |
if (!prefixDone && temp) { |
| 218 |
prefix = (/\?/.test(temp)) ? (/\?$/.test(temp)) ? '' : '&' : '?'; |
| 219 |
uristrings.push(temp); |
| 220 |
uristrings.push(qq.obj2url(obj)); |
| 221 |
} else if ((Object.prototype.toString.call(obj) === '[object Array]') && (typeof obj != 'undefined') ) { |
| 222 |
// we wont use a for-in-loop on an array (performance) |
| 223 |
for (var i = 0, len = obj.length; i < len; ++i){ |
| 224 |
add(obj[i], i); |
| 225 |
} |
| 226 |
} else if ((typeof obj != 'undefined') && (obj !== null) && (typeof obj === "object")){ |
| 227 |
// for anything else but a scalar, we will use for-in-loop |
| 228 |
for (var i in obj){ |
| 229 |
add(obj[i], i); |
| 230 |
} |
| 231 |
} else { |
| 232 |
uristrings.push(encodeURIComponent(temp) + '=' + encodeURIComponent(obj)); |
| 233 |
} |
| 234 |
|
| 235 |
return uristrings.join(prefix) |
| 236 |
.replace(/^&/, '') |
| 237 |
.replace(/%20/g, '+'); |
| 238 |
}; |
| 239 |
|
| 240 |
// |
| 241 |
// |
| 242 |
// Uploader Classes |
| 243 |
// |
| 244 |
// |
| 245 |
|
| 246 |
var qq = qq || {}; |
| 247 |
|
| 248 |
/** |
| 249 |
* Creates upload button, validates upload, but doesn't create file list or dd. |
| 250 |
*/ |
| 251 |
qq.FileUploaderBasic = function(o){ |
| 252 |
this._options = { |
| 253 |
// set to true to see the server response |
| 254 |
debug: false, |
| 255 |
action: '/server/upload', |
| 256 |
params: {}, |
| 257 |
button: null, |
| 258 |
multiple: true, |
| 259 |
maxConnections: 3, |
| 260 |
// validation |
| 261 |
allowedExtensions: [], |
| 262 |
sizeLimit: 0, |
| 263 |
minSizeLimit: 0, |
| 264 |
// events |
| 265 |
// return false to cancel submit |
| 266 |
onSubmit: function(id, fileName){}, |
| 267 |
onProgress: function(id, fileName, loaded, total){}, |
| 268 |
onComplete: function(id, fileName, responseJSON){}, |
| 269 |
onCancel: function(id, fileName){}, |
| 270 |
// messages |
| 271 |
messages: { |
| 272 |
typeError: "{file} has invalid extension. Only {extensions} are allowed.", |
| 273 |
sizeError: "{file} is too large, maximum file size is {sizeLimit}.", |
| 274 |
minSizeError: "{file} is too small, minimum file size is {minSizeLimit}.", |
| 275 |
emptyError: "{file} is empty, please select files again without it.", |
| 276 |
onLeave: "The files are being uploaded, if you leave now the upload will be cancelled." |
| 277 |
}, |
| 278 |
showMessage: function(message){ |
| 279 |
alert(message); |
| 280 |
} |
| 281 |
}; |
| 282 |
qq.extend(this._options, o); |
| 283 |
|
| 284 |
// number of files being uploaded |
| 285 |
this._filesInProgress = 0; |
| 286 |
this._handler = this._createUploadHandler(); |
| 287 |
|
| 288 |
if (this._options.button){ |
| 289 |
this._button = this._createUploadButton(this._options.button); |
| 290 |
} |
| 291 |
|
| 292 |
this._preventLeaveInProgress(); |
| 293 |
}; |
| 294 |
|
| 295 |
qq.FileUploaderBasic.prototype = { |
| 296 |
setParams: function(params){ |
| 297 |
this._options.params = params; |
| 298 |
}, |
| 299 |
getInProgress: function(){ |
| 300 |
return this._filesInProgress; |
| 301 |
}, |
| 302 |
_createUploadButton: function(element){ |
| 303 |
var self = this; |
| 304 |
|
| 305 |
return new qq.UploadButton({ |
| 306 |
element: element, |
| 307 |
multiple: this._options.multiple && qq.UploadHandlerXhr.isSupported(), |
| 308 |
onChange: function(input){ |
| 309 |
self._onInputChange(input); |
| 310 |
} |
| 311 |
}); |
| 312 |
}, |
| 313 |
_createUploadHandler: function(){ |
| 314 |
var self = this, |
| 315 |
handlerClass; |
| 316 |
|
| 317 |
if(qq.UploadHandlerXhr.isSupported()){ |
| 318 |
handlerClass = 'UploadHandlerXhr'; |
| 319 |
} else { |
| 320 |
handlerClass = 'UploadHandlerForm'; |
| 321 |
} |
| 322 |
|
| 323 |
var handler = new qq[handlerClass]({ |
| 324 |
debug: this._options.debug, |
| 325 |
action: this._options.action, |
| 326 |
maxConnections: this._options.maxConnections, |
| 327 |
onProgress: function(id, fileName, loaded, total){ |
| 328 |
self._onProgress(id, fileName, loaded, total); |
| 329 |
self._options.onProgress(id, fileName, loaded, total); |
| 330 |
}, |
| 331 |
onComplete: function(id, fileName, result){ |
| 332 |
self._onComplete(id, fileName, result); |
| 333 |
self._options.onComplete(id, fileName, result); |
| 334 |
}, |
| 335 |
onCancel: function(id, fileName){ |
| 336 |
self._onCancel(id, fileName); |
| 337 |
self._options.onCancel(id, fileName); |
| 338 |
} |
| 339 |
}); |
| 340 |
|
| 341 |
return handler; |
| 342 |
}, |
| 343 |
_preventLeaveInProgress: function(){ |
| 344 |
var self = this; |
| 345 |
|
| 346 |
qq.attach(window, 'beforeunload', function(e){ |
| 347 |
if (!self._filesInProgress){return;} |
| 348 |
|
| 349 |
var e = e || window.event; |
| 350 |
// for ie, ff |
| 351 |
e.returnValue = self._options.messages.onLeave; |
| 352 |
// for webkit |
| 353 |
return self._options.messages.onLeave; |
| 354 |
}); |
| 355 |
}, |
| 356 |
_onSubmit: function(id, fileName){ |
| 357 |
this._filesInProgress++; |
| 358 |
}, |
| 359 |
_onProgress: function(id, fileName, loaded, total){ |
| 360 |
}, |
| 361 |
_onComplete: function(id, fileName, result){ |
| 362 |
this._filesInProgress--; |
| 363 |
if (result.error){ |
| 364 |
this._options.showMessage(result.error); |
| 365 |
} |
| 366 |
}, |
| 367 |
_onCancel: function(id, fileName){ |
| 368 |
this._filesInProgress--; |
| 369 |
}, |
| 370 |
_onInputChange: function(input){ |
| 371 |
if (this._handler instanceof qq.UploadHandlerXhr){ |
| 372 |
this._uploadFileList(input.files); |
| 373 |
} else { |
| 374 |
if (this._validateFile(input)){ |
| 375 |
this._uploadFile(input); |
| 376 |
} |
| 377 |
} |
| 378 |
this._button.reset(); |
| 379 |
}, |
| 380 |
_uploadFileList: function(files){ |
| 381 |
for (var i=0; i<files.length; i++){ |
| 382 |
if ( !this._validateFile(files[i])){ |
| 383 |
return; |
| 384 |
} |
| 385 |
} |
| 386 |
|
| 387 |
for (var i=0; i<files.length; i++){ |
| 388 |
this._uploadFile(files[i]); |
| 389 |
} |
| 390 |
}, |
| 391 |
_uploadFile: function(fileContainer){ |
| 392 |
var id = this._handler.add(fileContainer); |
| 393 |
var fileName = this._handler.getName(id); |
| 394 |
|
| 395 |
if (this._options.onSubmit(id, fileName) !== false){ |
| 396 |
this._onSubmit(id, fileName); |
| 397 |
this._handler.upload(id, this._options.params); |
| 398 |
} |
| 399 |
}, |
| 400 |
_validateFile: function(file){ |
| 401 |
var name, size; |
| 402 |
|
| 403 |
if (file.value){ |
| 404 |
// it is a file input |
| 405 |
// get input value and remove path to normalize |
| 406 |
name = file.value.replace(/.*(\/|\\)/, ""); |
| 407 |
} else { |
| 408 |
// fix missing properties in Safari |
| 409 |
name = file.fileName != null ? file.fileName : file.name; |
| 410 |
size = file.fileSize != null ? file.fileSize : file.size; |
| 411 |
} |
| 412 |
|
| 413 |
if (! this._isAllowedExtension(name)){ |
| 414 |
this._error('typeError', name); |
| 415 |
return false; |
| 416 |
|
| 417 |
} else if (size === 0){ |
| 418 |
this._error('emptyError', name); |
| 419 |
return false; |
| 420 |
|
| 421 |
} else if (size && this._options.sizeLimit && size > this._options.sizeLimit){ |
| 422 |
this._error('sizeError', name); |
| 423 |
return false; |
| 424 |
|
| 425 |
} else if (size && size < this._options.minSizeLimit){ |
| 426 |
this._error('minSizeError', name); |
| 427 |
return false; |
| 428 |
} |
| 429 |
|
| 430 |
return true; |
| 431 |
}, |
| 432 |
_error: function(code, fileName){ |
| 433 |
var message = this._options.messages[code]; |
| 434 |
function r(name, replacement){ message = message.replace(name, replacement); } |
| 435 |
|
| 436 |
r('{file}', this._formatFileName(fileName)); |
| 437 |
r('{extensions}', this._options.allowedExtensions.join(', ')); |
| 438 |
r('{sizeLimit}', this._formatSize(this._options.sizeLimit)); |
| 439 |
r('{minSizeLimit}', this._formatSize(this._options.minSizeLimit)); |
| 440 |
|
| 441 |
this._options.showMessage(message); |
| 442 |
}, |
| 443 |
_formatFileName: function(name){ |
| 444 |
if (name.length > 33){ |
| 445 |
name = name.slice(0, 19) + '...' + name.slice(-13); |
| 446 |
} |
| 447 |
return name; |
| 448 |
}, |
| 449 |
_isAllowedExtension: function(fileName){ |
| 450 |
var ext = (-1 !== fileName.indexOf('.')) ? fileName.replace(/.*[.]/, '').toLowerCase() : ''; |
| 451 |
var allowed = this._options.allowedExtensions; |
| 452 |
|
| 453 |
if (!allowed.length){return true;} |
| 454 |
|
| 455 |
for (var i=0; i<allowed.length; i++){ |
| 456 |
if (allowed[i].toLowerCase() == ext){ return true;} |
| 457 |
} |
| 458 |
|
| 459 |
return false; |
| 460 |
}, |
| 461 |
_formatSize: function(bytes){ |
| 462 |
var i = -1; |
| 463 |
do { |
| 464 |
bytes = bytes / 1024; |
| 465 |
i++; |
| 466 |
} while (bytes > 99); |
| 467 |
|
| 468 |
return Math.max(bytes, 0.1).toFixed(1) + ['kB', 'MB', 'GB', 'TB', 'PB', 'EB'][i]; |
| 469 |
} |
| 470 |
}; |
| 471 |
|
| 472 |
|
| 473 |
/** |
| 474 |
* Class that creates upload widget with drag-and-drop and file list |
| 475 |
* @inherits qq.FileUploaderBasic |
| 476 |
*/ |
| 477 |
qq.FileUploader = function(o){ |
| 478 |
// call parent constructor |
| 479 |
qq.FileUploaderBasic.apply(this, arguments); |
| 480 |
|
| 481 |
// additional options |
| 482 |
qq.extend(this._options, { |
| 483 |
element: null, |
| 484 |
// if set, will be used instead of qq-upload-list in template |
| 485 |
listElement: null, |
| 486 |
|
| 487 |
template: '<div class="qq-uploader">' + |
| 488 |
'<div class="qq-upload-drop-area"><span>Drop files here to upload</span></div>' + |
| 489 |
'<div class="qq-upload-button">Upload a file</div>' + |
| 490 |
'<ul class="qq-upload-list"></ul>' + |
| 491 |
'</div>', |
| 492 |
|
| 493 |
// template for one item in file list |
| 494 |
fileTemplate: '<li>' + |
| 495 |
'<span class="qq-upload-file"></span>' + |
| 496 |
'<span class="qq-upload-spinner"></span>' + |
| 497 |
'<span class="qq-upload-size"></span>' + |
| 498 |
'<a class="qq-upload-cancel" href="#">Cancel</a>' + |
| 499 |
'<span class="qq-upload-failed-text">Failed</span>' + |
| 500 |
'</li>', |
| 501 |
|
| 502 |
classes: { |
| 503 |
// used to get elements from templates |
| 504 |
button: 'qq-upload-button', |
| 505 |
drop: 'qq-upload-drop-area', |
| 506 |
dropActive: 'qq-upload-drop-area-active', |
| 507 |
list: 'qq-upload-list', |
| 508 |
|
| 509 |
file: 'qq-upload-file', |
| 510 |
spinner: 'qq-upload-spinner', |
| 511 |
size: 'qq-upload-size', |
| 512 |
cancel: 'qq-upload-cancel', |
| 513 |
|
| 514 |
// added to list item when upload completes |
| 515 |
// used in css to hide progress spinner |
| 516 |
success: 'qq-upload-success', |
| 517 |
fail: 'qq-upload-fail' |
| 518 |
} |
| 519 |
}); |
| 520 |
// overwrite options with user supplied |
| 521 |
qq.extend(this._options, o); |
| 522 |
|
| 523 |
this._element = this._options.element; |
| 524 |
this._element.innerHTML = this._options.template; |
| 525 |
this._listElement = this._options.listElement || this._find(this._element, 'list'); |
| 526 |
|
| 527 |
this._classes = this._options.classes; |
| 528 |
|
| 529 |
this._button = this._createUploadButton(this._find(this._element, 'button')); |
| 530 |
|
| 531 |
this._bindCancelEvent(); |
| 532 |
this._setupDragDrop(); |
| 533 |
}; |
| 534 |
|
| 535 |
// inherit from Basic Uploader |
| 536 |
qq.extend(qq.FileUploader.prototype, qq.FileUploaderBasic.prototype); |
| 537 |
|
| 538 |
qq.extend(qq.FileUploader.prototype, { |
| 539 |
/** |
| 540 |
* Gets one of the elements listed in this._options.classes |
| 541 |
**/ |
| 542 |
_find: function(parent, type){ |
| 543 |
var element = qq.getByClass(parent, this._options.classes[type])[0]; |
| 544 |
if (!element){ |
| 545 |
throw new Error('element not found ' + type); |
| 546 |
} |
| 547 |
|
| 548 |
return element; |
| 549 |
}, |
| 550 |
_setupDragDrop: function(){ |
| 551 |
var self = this, |
| 552 |
dropArea = this._find(this._element, 'drop'); |
| 553 |
|
| 554 |
var dz = new qq.UploadDropZone({ |
| 555 |
element: dropArea, |
| 556 |
onEnter: function(e){ |
| 557 |
qq.addClass(dropArea, self._classes.dropActive); |
| 558 |
e.stopPropagation(); |
| 559 |
}, |
| 560 |
onLeave: function(e){ |
| 561 |
e.stopPropagation(); |
| 562 |
}, |
| 563 |
onLeaveNotDescendants: function(e){ |
| 564 |
qq.removeClass(dropArea, self._classes.dropActive); |
| 565 |
}, |
| 566 |
onDrop: function(e){ |
| 567 |
dropArea.style.display = 'none'; |
| 568 |
qq.removeClass(dropArea, self._classes.dropActive); |
| 569 |
self._uploadFileList(e.dataTransfer.files); |
| 570 |
} |
| 571 |
}); |
| 572 |
|
| 573 |
dropArea.style.display = 'none'; |
| 574 |
|
| 575 |
qq.attach(document, 'dragenter', function(e){ |
| 576 |
if (!dz._isValidFileDrag(e)) return; |
| 577 |
|
| 578 |
dropArea.style.display = 'block'; |
| 579 |
}); |
| 580 |
qq.attach(document, 'dragleave', function(e){ |
| 581 |
if (!dz._isValidFileDrag(e)) return; |
| 582 |
|
| 583 |
var relatedTarget = document.elementFromPoint(e.clientX, e.clientY); |
| 584 |
// only fire when leaving document out |
| 585 |
if ( ! relatedTarget || relatedTarget.nodeName == "HTML"){ |
| 586 |
dropArea.style.display = 'none'; |
| 587 |
} |
| 588 |
}); |
| 589 |
}, |
| 590 |
_onSubmit: function(id, fileName){ |
| 591 |
qq.FileUploaderBasic.prototype._onSubmit.apply(this, arguments); |
| 592 |
this._addToList(id, fileName); |
| 593 |
}, |
| 594 |
_onProgress: function(id, fileName, loaded, total){ |
| 595 |
qq.FileUploaderBasic.prototype._onProgress.apply(this, arguments); |
| 596 |
|
| 597 |
var item = this._getItemByFileId(id); |
| 598 |
var size = this._find(item, 'size'); |
| 599 |
size.style.display = 'inline'; |
| 600 |
|
| 601 |
var text; |
| 602 |
if (loaded != total){ |
| 603 |
text = Math.round(loaded / total * 100) + '% from ' + this._formatSize(total); |
| 604 |
} else { |
| 605 |
text = this._formatSize(total); |
| 606 |
} |
| 607 |
|
| 608 |
qq.setText(size, text); |
| 609 |
}, |
| 610 |
_onComplete: function(id, fileName, result){ |
| 611 |
qq.FileUploaderBasic.prototype._onComplete.apply(this, arguments); |
| 612 |
|
| 613 |
// mark completed |
| 614 |
var item = this._getItemByFileId(id); |
| 615 |
qq.remove(this._find(item, 'cancel')); |
| 616 |
qq.remove(this._find(item, 'spinner')); |
| 617 |
|
| 618 |
if (result.success){ |
| 619 |
qq.addClass(item, this._classes.success); |
| 620 |
} else { |
| 621 |
qq.addClass(item, this._classes.fail); |
| 622 |
} |
| 623 |
}, |
| 624 |
_addToList: function(id, fileName){ |
| 625 |
var item = qq.toElement(this._options.fileTemplate); |
| 626 |
item.qqFileId = id; |
| 627 |
|
| 628 |
var fileElement = this._find(item, 'file'); |
| 629 |
qq.setText(fileElement, this._formatFileName(fileName)); |
| 630 |
this._find(item, 'size').style.display = 'none'; |
| 631 |
|
| 632 |
this._listElement.appendChild(item); |
| 633 |
}, |
| 634 |
_getItemByFileId: function(id){ |
| 635 |
var item = this._listElement.firstChild; |
| 636 |
|
| 637 |
// there can't be txt nodes in dynamically created list |
| 638 |
// and we can use nextSibling |
| 639 |
while (item){ |
| 640 |
if (item.qqFileId == id) return item; |
| 641 |
item = item.nextSibling; |
| 642 |
} |
| 643 |
}, |
| 644 |
/** |
| 645 |
* delegate click event for cancel link |
| 646 |
**/ |
| 647 |
_bindCancelEvent: function(){ |
| 648 |
var self = this, |
| 649 |
list = this._listElement; |
| 650 |
|
| 651 |
qq.attach(list, 'click', function(e){ |
| 652 |
e = e || window.event; |
| 653 |
var target = e.target || e.srcElement; |
| 654 |
|
| 655 |
if (qq.hasClass(target, self._classes.cancel)){ |
| 656 |
qq.preventDefault(e); |
| 657 |
|
| 658 |
var item = target.parentNode; |
| 659 |
self._handler.cancel(item.qqFileId); |
| 660 |
qq.remove(item); |
| 661 |
} |
| 662 |
}); |
| 663 |
} |
| 664 |
}); |
| 665 |
|
| 666 |
qq.UploadDropZone = function(o){ |
| 667 |
this._options = { |
| 668 |
element: null, |
| 669 |
onEnter: function(e){}, |
| 670 |
onLeave: function(e){}, |
| 671 |
// is not fired when leaving element by hovering descendants |
| 672 |
onLeaveNotDescendants: function(e){}, |
| 673 |
onDrop: function(e){} |
| 674 |
}; |
| 675 |
qq.extend(this._options, o); |
| 676 |
|
| 677 |
this._element = this._options.element; |
| 678 |
|
| 679 |
this._disableDropOutside(); |
| 680 |
this._attachEvents(); |
| 681 |
}; |
| 682 |
|
| 683 |
qq.UploadDropZone.prototype = { |
| 684 |
_disableDropOutside: function(e){ |
| 685 |
// run only once for all instances |
| 686 |
if (!qq.UploadDropZone.dropOutsideDisabled ){ |
| 687 |
|
| 688 |
qq.attach(document, 'dragover', function(e){ |
| 689 |
if (e.dataTransfer){ |
| 690 |
e.dataTransfer.dropEffect = 'none'; |
| 691 |
e.preventDefault(); |
| 692 |
} |
| 693 |
}); |
| 694 |
|
| 695 |
qq.UploadDropZone.dropOutsideDisabled = true; |
| 696 |
} |
| 697 |
}, |
| 698 |
_attachEvents: function(){ |
| 699 |
var self = this; |
| 700 |
|
| 701 |
qq.attach(self._element, 'dragover', function(e){ |
| 702 |
if (!self._isValidFileDrag(e)) return; |
| 703 |
|
| 704 |
var effect = e.dataTransfer.effectAllowed; |
| 705 |
if (effect == 'move' || effect == 'linkMove'){ |
| 706 |
e.dataTransfer.dropEffect = 'move'; // for FF (only move allowed) |
| 707 |
} else { |
| 708 |
e.dataTransfer.dropEffect = 'copy'; // for Chrome |
| 709 |
} |
| 710 |
|
| 711 |
e.stopPropagation(); |
| 712 |
e.preventDefault(); |
| 713 |
}); |
| 714 |
|
| 715 |
qq.attach(self._element, 'dragenter', function(e){ |
| 716 |
if (!self._isValidFileDrag(e)) return; |
| 717 |
|
| 718 |
self._options.onEnter(e); |
| 719 |
}); |
| 720 |
|
| 721 |
qq.attach(self._element, 'dragleave', function(e){ |
| 722 |
if (!self._isValidFileDrag(e)) return; |
| 723 |
|
| 724 |
self._options.onLeave(e); |
| 725 |
|
| 726 |
var relatedTarget = document.elementFromPoint(e.clientX, e.clientY); |
| 727 |
// do not fire when moving a mouse over a descendant |
| 728 |
if (qq.contains(this, relatedTarget)) return; |
| 729 |
|
| 730 |
self._options.onLeaveNotDescendants(e); |
| 731 |
}); |
| 732 |
|
| 733 |
qq.attach(self._element, 'drop', function(e){ |
| 734 |
if (!self._isValidFileDrag(e)) return; |
| 735 |
|
| 736 |
e.preventDefault(); |
| 737 |
self._options.onDrop(e); |
| 738 |
}); |
| 739 |
}, |
| 740 |
_isValidFileDrag: function(e){ |
| 741 |
var dt = e.dataTransfer, |
| 742 |
// do not check dt.types.contains in webkit, because it crashes safari 4 |
| 743 |
isWebkit = navigator.userAgent.indexOf("AppleWebKit") > -1; |
| 744 |
|
| 745 |
// dt.effectAllowed is none in Safari 5 |
| 746 |
// dt.types.contains check is for firefox |
| 747 |
return dt && dt.effectAllowed != 'none' && |
| 748 |
(dt.files || (!isWebkit && dt.types.contains && dt.types.contains('Files'))); |
| 749 |
|
| 750 |
} |
| 751 |
}; |
| 752 |
|
| 753 |
qq.UploadButton = function(o){ |
| 754 |
this._options = { |
| 755 |
element: null, |
| 756 |
// if set to true adds multiple attribute to file input |
| 757 |
multiple: false, |
| 758 |
// name attribute of file input |
| 759 |
name: 'file', |
| 760 |
onChange: function(input){}, |
| 761 |
hoverClass: 'qq-upload-button-hover', |
| 762 |
focusClass: 'qq-upload-button-focus' |
| 763 |
}; |
| 764 |
|
| 765 |
qq.extend(this._options, o); |
| 766 |
|
| 767 |
this._element = this._options.element; |
| 768 |
|
| 769 |
// make button suitable container for input |
| 770 |
qq.css(this._element, { |
| 771 |
position: 'relative', |
| 772 |
overflow: 'hidden', |
| 773 |
// Make sure browse button is in the right side |
| 774 |
// in Internet Explorer |
| 775 |
direction: 'ltr' |
| 776 |
}); |
| 777 |
|
| 778 |
this._input = this._createInput(); |
| 779 |
}; |
| 780 |
|
| 781 |
qq.UploadButton.prototype = { |
| 782 |
/* returns file input element */ |
| 783 |
getInput: function(){ |
| 784 |
return this._input; |
| 785 |
}, |
| 786 |
/* cleans/recreates the file input */ |
| 787 |
reset: function(){ |
| 788 |
if (this._input.parentNode){ |
| 789 |
qq.remove(this._input); |
| 790 |
} |
| 791 |
|
| 792 |
qq.removeClass(this._element, this._options.focusClass); |
| 793 |
this._input = this._createInput(); |
| 794 |
}, |
| 795 |
_createInput: function(){ |
| 796 |
var input = document.createElement("input"); |
| 797 |
|
| 798 |
if (this._options.multiple){ |
| 799 |
input.setAttribute("multiple", "multiple"); |
| 800 |
} |
| 801 |
|
| 802 |
input.setAttribute("type", "file"); |
| 803 |
input.setAttribute("name", this._options.name); |
| 804 |
|
| 805 |
qq.css(input, { |
| 806 |
position: 'absolute', |
| 807 |
// in Opera only 'browse' button |
| 808 |
// is clickable and it is located at |
| 809 |
// the right side of the input |
| 810 |
right: 0, |
| 811 |
top: 0, |
| 812 |
fontFamily: 'Arial', |
| 813 |
// 4 persons reported this, the max values that worked for them were 243, 236, 236, 118 |
| 814 |
fontSize: '118px', |
| 815 |
margin: 0, |
| 816 |
padding: 0, |
| 817 |
cursor: 'pointer', |
| 818 |
opacity: 0 |
| 819 |
}); |
| 820 |
|
| 821 |
this._element.appendChild(input); |
| 822 |
|
| 823 |
var self = this; |
| 824 |
qq.attach(input, 'change', function(){ |
| 825 |
self._options.onChange(input); |
| 826 |
}); |
| 827 |
|
| 828 |
qq.attach(input, 'mouseover', function(){ |
| 829 |
qq.addClass(self._element, self._options.hoverClass); |
| 830 |
}); |
| 831 |
qq.attach(input, 'mouseout', function(){ |
| 832 |
qq.removeClass(self._element, self._options.hoverClass); |
| 833 |
}); |
| 834 |
qq.attach(input, 'focus', function(){ |
| 835 |
qq.addClass(self._element, self._options.focusClass); |
| 836 |
}); |
| 837 |
qq.attach(input, 'blur', function(){ |
| 838 |
qq.removeClass(self._element, self._options.focusClass); |
| 839 |
}); |
| 840 |
|
| 841 |
// IE and Opera, unfortunately have 2 tab stops on file input |
| 842 |
// which is unacceptable in our case, disable keyboard access |
| 843 |
if (window.attachEvent){ |
| 844 |
// it is IE or Opera |
| 845 |
input.setAttribute('tabIndex', "-1"); |
| 846 |
} |
| 847 |
|
| 848 |
return input; |
| 849 |
} |
| 850 |
}; |
| 851 |
|
| 852 |
/** |
| 853 |
* Class for uploading files, uploading itself is handled by child classes |
| 854 |
*/ |
| 855 |
qq.UploadHandlerAbstract = function(o){ |
| 856 |
this._options = { |
| 857 |
debug: false, |
| 858 |
action: '/upload.php', |
| 859 |
// maximum number of concurrent uploads |
| 860 |
maxConnections: 999, |
| 861 |
onProgress: function(id, fileName, loaded, total){}, |
| 862 |
onComplete: function(id, fileName, response){}, |
| 863 |
onCancel: function(id, fileName){} |
| 864 |
}; |
| 865 |
qq.extend(this._options, o); |
| 866 |
|
| 867 |
this._queue = []; |
| 868 |
// params for files in queue |
| 869 |
this._params = []; |
| 870 |
}; |
| 871 |
qq.UploadHandlerAbstract.prototype = { |
| 872 |
log: function(str){ |
| 873 |
if (this._options.debug && window.console) console.log('[uploader] ' + str); |
| 874 |
}, |
| 875 |
/** |
| 876 |
* Adds file or file input to the queue |
| 877 |
* @returns id |
| 878 |
**/ |
| 879 |
add: function(file){}, |
| 880 |
/** |
| 881 |
* Sends the file identified by id and additional query params to the server |
| 882 |
*/ |
| 883 |
upload: function(id, params){ |
| 884 |
var len = this._queue.push(id); |
| 885 |
|
| 886 |
var copy = {}; |
| 887 |
qq.extend(copy, params); |
| 888 |
this._params[id] = copy; |
| 889 |
|
| 890 |
// if too many active uploads, wait... |
| 891 |
if (len <= this._options.maxConnections){ |
| 892 |
this._upload(id, this._params[id]); |
| 893 |
} |
| 894 |
}, |
| 895 |
/** |
| 896 |
* Cancels file upload by id |
| 897 |
*/ |
| 898 |
cancel: function(id){ |
| 899 |
this._cancel(id); |
| 900 |
this._dequeue(id); |
| 901 |
}, |
| 902 |
/** |
| 903 |
* Cancells all uploads |
| 904 |
*/ |
| 905 |
cancelAll: function(){ |
| 906 |
for (var i=0; i<this._queue.length; i++){ |
| 907 |
this._cancel(this._queue[i]); |
| 908 |
} |
| 909 |
this._queue = []; |
| 910 |
}, |
| 911 |
/** |
| 912 |
* Returns name of the file identified by id |
| 913 |
*/ |
| 914 |
getName: function(id){}, |
| 915 |
/** |
| 916 |
* Returns size of the file identified by id |
| 917 |
*/ |
| 918 |
getSize: function(id){}, |
| 919 |
/** |
| 920 |
* Returns id of files being uploaded or |
| 921 |
* waiting for their turn |
| 922 |
*/ |
| 923 |
getQueue: function(){ |
| 924 |
return this._queue; |
| 925 |
}, |
| 926 |
/** |
| 927 |
* Actual upload method |
| 928 |
*/ |
| 929 |
_upload: function(id){}, |
| 930 |
/** |
| 931 |
* Actual cancel method |
| 932 |
*/ |
| 933 |
_cancel: function(id){}, |
| 934 |
/** |
| 935 |
* Removes element from queue, starts upload of next |
| 936 |
*/ |
| 937 |
_dequeue: function(id){ |
| 938 |
var i = qq.indexOf(this._queue, id); |
| 939 |
this._queue.splice(i, 1); |
| 940 |
|
| 941 |
var max = this._options.maxConnections; |
| 942 |
|
| 943 |
if (this._queue.length >= max && i < max){ |
| 944 |
var nextId = this._queue[max-1]; |
| 945 |
this._upload(nextId, this._params[nextId]); |
| 946 |
} |
| 947 |
} |
| 948 |
}; |
| 949 |
|
| 950 |
/** |
| 951 |
* Class for uploading files using form and iframe |
| 952 |
* @inherits qq.UploadHandlerAbstract |
| 953 |
*/ |
| 954 |
qq.UploadHandlerForm = function(o){ |
| 955 |
qq.UploadHandlerAbstract.apply(this, arguments); |
| 956 |
|
| 957 |
this._inputs = {}; |
| 958 |
}; |
| 959 |
// @inherits qq.UploadHandlerAbstract |
| 960 |
qq.extend(qq.UploadHandlerForm.prototype, qq.UploadHandlerAbstract.prototype); |
| 961 |
|
| 962 |
qq.extend(qq.UploadHandlerForm.prototype, { |
| 963 |
add: function(fileInput){ |
| 964 |
fileInput.setAttribute('name', 'qqfile'); |
| 965 |
var id = 'qq-upload-handler-iframe' + qq.getUniqueId(); |
| 966 |
|
| 967 |
this._inputs[id] = fileInput; |
| 968 |
|
| 969 |
// remove file input from DOM |
| 970 |
if (fileInput.parentNode){ |
| 971 |
qq.remove(fileInput); |
| 972 |
} |
| 973 |
|
| 974 |
return id; |
| 975 |
}, |
| 976 |
getName: function(id){ |
| 977 |
// get input value and remove path to normalize |
| 978 |
return this._inputs[id].value.replace(/.*(\/|\\)/, ""); |
| 979 |
}, |
| 980 |
_cancel: function(id){ |
| 981 |
this._options.onCancel(id, this.getName(id)); |
| 982 |
|
| 983 |
delete this._inputs[id]; |
| 984 |
|
| 985 |
var iframe = document.getElementById(id); |
| 986 |
if (iframe){ |
| 987 |
// to cancel request set src to something else |
| 988 |
// we use src="javascript:false;" because it doesn't |
| 989 |
// trigger ie6 prompt on https |
| 990 |
iframe.setAttribute('src', 'javascript:false;'); |
| 991 |
|
| 992 |
qq.remove(iframe); |
| 993 |
} |
| 994 |
}, |
| 995 |
_upload: function(id, params){ |
| 996 |
var input = this._inputs[id]; |
| 997 |
|
| 998 |
if (!input){ |
| 999 |
throw new Error('file with passed id was not added, or already uploaded or cancelled'); |
| 1000 |
} |
| 1001 |
|
| 1002 |
var fileName = this.getName(id); |
| 1003 |
|
| 1004 |
var iframe = this._createIframe(id); |
| 1005 |
var form = this._createForm(iframe, params); |
| 1006 |
form.appendChild(input); |
| 1007 |
|
| 1008 |
var self = this; |
| 1009 |
this._attachLoadEvent(iframe, function(){ |
| 1010 |
self.log('iframe loaded'); |
| 1011 |
|
| 1012 |
var response = self._getIframeContentJSON(iframe); |
| 1013 |
|
| 1014 |
self._options.onComplete(id, fileName, response); |
| 1015 |
self._dequeue(id); |
| 1016 |
|
| 1017 |
delete self._inputs[id]; |
| 1018 |
// timeout added to fix busy state in FF3.6 |
| 1019 |
setTimeout(function(){ |
| 1020 |
qq.remove(iframe); |
| 1021 |
}, 1); |
| 1022 |
}); |
| 1023 |
|
| 1024 |
form.submit(); |
| 1025 |
qq.remove(form); |
| 1026 |
|
| 1027 |
return id; |
| 1028 |
}, |
| 1029 |
_attachLoadEvent: function(iframe, callback){ |
| 1030 |
qq.attach(iframe, 'load', function(){ |
| 1031 |
// when we remove iframe from dom |
| 1032 |
// the request stops, but in IE load |
| 1033 |
// event fires |
| 1034 |
if (!iframe.parentNode){ |
| 1035 |
return; |
| 1036 |
} |
| 1037 |
|
| 1038 |
// fixing Opera 10.53 |
| 1039 |
if (iframe.contentDocument && |
| 1040 |
iframe.contentDocument.body && |
| 1041 |
iframe.contentDocument.body.innerHTML == "false"){ |
| 1042 |
// In Opera event is fired second time |
| 1043 |
// when body.innerHTML changed from false |
| 1044 |
// to server response approx. after 1 sec |
| 1045 |
// when we upload file with iframe |
| 1046 |
return; |
| 1047 |
} |
| 1048 |
|
| 1049 |
callback(); |
| 1050 |
}); |
| 1051 |
}, |
| 1052 |
/** |
| 1053 |
* Returns json object received by iframe from server. |
| 1054 |
*/ |
| 1055 |
_getIframeContentJSON: function(iframe){ |
| 1056 |
// iframe.contentWindow.document - for IE<7 |
| 1057 |
var doc = iframe.contentDocument ? iframe.contentDocument: iframe.contentWindow.document, |
| 1058 |
response; |
| 1059 |
|
| 1060 |
this.log("converting iframe's innerHTML to JSON"); |
| 1061 |
this.log("innerHTML = " + doc.body.innerHTML); |
| 1062 |
|
| 1063 |
try { |
| 1064 |
response = eval("(" + doc.body.innerHTML + ")"); |
| 1065 |
} catch(err){ |
| 1066 |
response = {}; |
| 1067 |
} |
| 1068 |
|
| 1069 |
return response; |
| 1070 |
}, |
| 1071 |
/** |
| 1072 |
* Creates iframe with unique name |
| 1073 |
*/ |
| 1074 |
_createIframe: function(id){ |
| 1075 |
// We can't use following code as the name attribute |
| 1076 |
// won't be properly registered in IE6, and new window |
| 1077 |
// on form submit will open |
| 1078 |
// var iframe = document.createElement('iframe'); |
| 1079 |
// iframe.setAttribute('name', id); |
| 1080 |
|
| 1081 |
var iframe = qq.toElement('<iframe src="javascript:false;" name="' + id + '" />'); |
| 1082 |
// src="javascript:false;" removes ie6 prompt on https |
| 1083 |
|
| 1084 |
iframe.setAttribute('id', id); |
| 1085 |
|
| 1086 |
iframe.style.display = 'none'; |
| 1087 |
document.body.appendChild(iframe); |
| 1088 |
|
| 1089 |
return iframe; |
| 1090 |
}, |
| 1091 |
/** |
| 1092 |
* Creates form, that will be submitted to iframe |
| 1093 |
*/ |
| 1094 |
_createForm: function(iframe, params){ |
| 1095 |
// We can't use the following code in IE6 |
| 1096 |
// var form = document.createElement('form'); |
| 1097 |
// form.setAttribute('method', 'post'); |
| 1098 |
// form.setAttribute('enctype', 'multipart/form-data'); |
| 1099 |
// Because in this case file won't be attached to request |
| 1100 |
var form = qq.toElement('<form method="post" enctype="multipart/form-data"></form>'); |
| 1101 |
|
| 1102 |
var queryString = qq.obj2url(params, this._options.action); |
| 1103 |
|
| 1104 |
form.setAttribute('action', queryString); |
| 1105 |
form.setAttribute('target', iframe.name); |
| 1106 |
form.style.display = 'none'; |
| 1107 |
document.body.appendChild(form); |
| 1108 |
|
| 1109 |
return form; |
| 1110 |
} |
| 1111 |
}); |
| 1112 |
|
| 1113 |
/** |
| 1114 |
* Class for uploading files using xhr |
| 1115 |
* @inherits qq.UploadHandlerAbstract |
| 1116 |
*/ |
| 1117 |
qq.UploadHandlerXhr = function(o){ |
| 1118 |
qq.UploadHandlerAbstract.apply(this, arguments); |
| 1119 |
|
| 1120 |
this._files = []; |
| 1121 |
this._xhrs = []; |
| 1122 |
|
| 1123 |
// current loaded size in bytes for each file |
| 1124 |
this._loaded = []; |
| 1125 |
}; |
| 1126 |
|
| 1127 |
// static method |
| 1128 |
qq.UploadHandlerXhr.isSupported = function(){ |
| 1129 |
var input = document.createElement('input'); |
| 1130 |
input.type = 'file'; |
| 1131 |
|
| 1132 |
return ( |
| 1133 |
'multiple' in input && |
| 1134 |
typeof File != "undefined" && |
| 1135 |
typeof (new XMLHttpRequest()).upload != "undefined" ); |
| 1136 |
}; |
| 1137 |
|
| 1138 |
// @inherits qq.UploadHandlerAbstract |
| 1139 |
qq.extend(qq.UploadHandlerXhr.prototype, qq.UploadHandlerAbstract.prototype) |
| 1140 |
|
| 1141 |
qq.extend(qq.UploadHandlerXhr.prototype, { |
| 1142 |
/** |
| 1143 |
* Adds file to the queue |
| 1144 |
* Returns id to use with upload, cancel |
| 1145 |
**/ |
| 1146 |
add: function(file){ |
| 1147 |
if (!(file instanceof File)){ |
| 1148 |
throw new Error('Passed obj in not a File (in qq.UploadHandlerXhr)'); |
| 1149 |
} |
| 1150 |
|
| 1151 |
return this._files.push(file) - 1; |
| 1152 |
}, |
| 1153 |
getName: function(id){ |
| 1154 |
var file = this._files[id]; |
| 1155 |
// fix missing name in Safari 4 |
| 1156 |
return file.fileName != null ? file.fileName : file.name; |
| 1157 |
}, |
| 1158 |
getSize: function(id){ |
| 1159 |
var file = this._files[id]; |
| 1160 |
return file.fileSize != null ? file.fileSize : file.size; |
| 1161 |
}, |
| 1162 |
/** |
| 1163 |
* Returns uploaded bytes for file identified by id |
| 1164 |
*/ |
| 1165 |
getLoaded: function(id){ |
| 1166 |
return this._loaded[id] || 0; |
| 1167 |
}, |
| 1168 |
/** |
| 1169 |
* Sends the file identified by id and additional query params to the server |
| 1170 |
* @param {Object} params name-value string pairs |
| 1171 |
*/ |
| 1172 |
_upload: function(id, params){ |
| 1173 |
var file = this._files[id], |
| 1174 |
name = this.getName(id), |
| 1175 |
size = this.getSize(id); |
| 1176 |
|
| 1177 |
this._loaded[id] = 0; |
| 1178 |
|
| 1179 |
var xhr = this._xhrs[id] = new XMLHttpRequest(); |
| 1180 |
var self = this; |
| 1181 |
|
| 1182 |
xhr.upload.onprogress = function(e){ |
| 1183 |
if (e.lengthComputable){ |
| 1184 |
self._loaded[id] = e.loaded; |
| 1185 |
self._options.onProgress(id, name, e.loaded, e.total); |
| 1186 |
} |
| 1187 |
}; |
| 1188 |
|
| 1189 |
xhr.onreadystatechange = function(){ |
| 1190 |
if (xhr.readyState == 4){ |
| 1191 |
self._onComplete(id, xhr); |
| 1192 |
} |
| 1193 |
}; |
| 1194 |
|
| 1195 |
// build query string |
| 1196 |
params = params || {}; |
| 1197 |
params['qqfile'] = name; |
| 1198 |
var queryString = qq.obj2url(params, this._options.action); |
| 1199 |
|
| 1200 |
xhr.open("POST", queryString, true); |
| 1201 |
xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest"); |
| 1202 |
xhr.setRequestHeader("X-File-Name", encodeURIComponent(name)); |
| 1203 |
xhr.setRequestHeader("Content-Type", "application/octet-stream"); |
| 1204 |
xhr.send(file); |
| 1205 |
}, |
| 1206 |
_onComplete: function(id, xhr){ |
| 1207 |
// the request was aborted/cancelled |
| 1208 |
if (!this._files[id]) return; |
| 1209 |
|
| 1210 |
var name = this.getName(id); |
| 1211 |
var size = this.getSize(id); |
| 1212 |
|
| 1213 |
this._options.onProgress(id, name, size, size); |
| 1214 |
|
| 1215 |
if (xhr.status == 200){ |
| 1216 |
this.log("xhr - server response received"); |
| 1217 |
this.log("responseText = " + xhr.responseText); |
| 1218 |
|
| 1219 |
var response; |
| 1220 |
|
| 1221 |
try { |
| 1222 |
response = eval("(" + xhr.responseText + ")"); |
| 1223 |
} catch(err){ |
| 1224 |
response = {}; |
| 1225 |
} |
| 1226 |
|
| 1227 |
this._options.onComplete(id, name, response); |
| 1228 |
|
| 1229 |
} else { |
| 1230 |
this._options.onComplete(id, name, {}); |
| 1231 |
} |
| 1232 |
|
| 1233 |
this._files[id] = null; |
| 1234 |
this._xhrs[id] = null; |
| 1235 |
this._dequeue(id); |
| 1236 |
}, |
| 1237 |
_cancel: function(id){ |
| 1238 |
this._options.onCancel(id, this.getName(id)); |
| 1239 |
|
| 1240 |
this._files[id] = null; |
| 1241 |
|
| 1242 |
if (this._xhrs[id]){ |
| 1243 |
this._xhrs[id].abort(); |
| 1244 |
this._xhrs[id] = null; |
| 1245 |
} |
| 1246 |
} |
| 1247 |
}); |