1/* 2 * jQuery File Upload Plugin 3 * https://github.com/blueimp/jQuery-File-Upload 4 * 5 * Copyright 2010, Sebastian Tschan 6 * https://blueimp.net 7 * 8 * Licensed under the MIT license: 9 * https://opensource.org/licenses/MIT 10 */ 11 12/* jshint nomen:false */ 13/* global define, require, window, document, location, Blob, FormData */ 14 15;(function (factory) { 16 'use strict'; 17 if (typeof define === 'function' && define.amd) { 18 // Register as an anonymous AMD module: 19 define([ 20 'jquery', 21 'jquery-ui/ui/widget' 22 ], factory); 23 } else if (typeof exports === 'object') { 24 // Node/CommonJS: 25 factory( 26 require('jquery'), 27 require('./vendor/jquery.ui.widget') 28 ); 29 } else { 30 // Browser globals: 31 factory(window.jQuery); 32 } 33}(function ($) { 34 'use strict'; 35 36 // Detect file input support, based on 37 // http://viljamis.com/blog/2012/file-upload-support-on-mobile/ 38 $.support.fileInput = !(new RegExp( 39 // Handle devices which give false positives for the feature detection: 40 '(Android (1\\.[0156]|2\\.[01]))' + 41 '|(Windows Phone (OS 7|8\\.0))|(XBLWP)|(ZuneWP)|(WPDesktop)' + 42 '|(w(eb)?OSBrowser)|(webOS)' + 43 '|(Kindle/(1\\.0|2\\.[05]|3\\.0))' 44 ).test(window.navigator.userAgent) || 45 // Feature detection for all other devices: 46 $('<input type="file"/>').prop('disabled')); 47 48 // The FileReader API is not actually used, but works as feature detection, 49 // as some Safari versions (5?) support XHR file uploads via the FormData API, 50 // but not non-multipart XHR file uploads. 51 // window.XMLHttpRequestUpload is not available on IE10, so we check for 52 // window.ProgressEvent instead to detect XHR2 file upload capability: 53 $.support.xhrFileUpload = !!(window.ProgressEvent && window.FileReader); 54 $.support.xhrFormDataFileUpload = !!window.FormData; 55 56 // Detect support for Blob slicing (required for chunked uploads): 57 $.support.blobSlice = window.Blob && (Blob.prototype.slice || 58 Blob.prototype.webkitSlice || Blob.prototype.mozSlice); 59 60 // Helper function to create drag handlers for dragover/dragenter/dragleave: 61 function getDragHandler(type) { 62 var isDragOver = type === 'dragover'; 63 return function (e) { 64 e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer; 65 var dataTransfer = e.dataTransfer; 66 if (dataTransfer && $.inArray('Files', dataTransfer.types) !== -1 && 67 this._trigger( 68 type, 69 $.Event(type, {delegatedEvent: e}) 70 ) !== false) { 71 e.preventDefault(); 72 if (isDragOver) { 73 dataTransfer.dropEffect = 'copy'; 74 } 75 } 76 }; 77 } 78 79 // The fileupload widget listens for change events on file input fields defined 80 // via fileInput setting and paste or drop events of the given dropZone. 81 // In addition to the default jQuery Widget methods, the fileupload widget 82 // exposes the "add" and "send" methods, to add or directly send files using 83 // the fileupload API. 84 // By default, files added via file input selection, paste, drag & drop or 85 // "add" method are uploaded immediately, but it is possible to override 86 // the "add" callback option to queue file uploads. 87 $.widget('blueimp.fileupload', { 88 89 options: { 90 // The drop target element(s), by the default the complete document. 91 // Set to null to disable drag & drop support: 92 dropZone: $(document), 93 // The paste target element(s), by the default undefined. 94 // Set to a DOM node or jQuery object to enable file pasting: 95 pasteZone: undefined, 96 // The file input field(s), that are listened to for change events. 97 // If undefined, it is set to the file input fields inside 98 // of the widget element on plugin initialization. 99 // Set to null to disable the change listener. 100 fileInput: undefined, 101 // By default, the file input field is replaced with a clone after 102 // each input field change event. This is required for iframe transport 103 // queues and allows change events to be fired for the same file 104 // selection, but can be disabled by setting the following option to fal
104se: 105 replaceFileInput: true, 106 // The parameter name for the file form data (the request argument name). 107 // If undefined or empty, the name property of the file input field is 108 // used, or "files[]" if the file input name property is also empty, 109 // can be a string or an array of strings: 110 paramName: undefined, 111 // By default, each file of a selection is uploaded using an individual 112 // request for XHR type uploads. Set to false to upload file 113 // selections in one request each: 114 singleFileUploads: true, 115 // To limit the number of files uploaded with one XHR request, 116 // set the following option to an integer greater than 0: 117 limitMultiFileUploads: undefined, 118 // The following option limits the number of files uploaded with one 119 // XHR request to keep the request size under or equal to the defined 120 // limit in bytes: 121 limitMultiFileUploadSize: undefined, 122 // Multipart file uploads add a number of bytes to each uploaded file, 123 // therefore the following option adds an overhead for each file used 124 // in the limitMultiFileUploadSize configuration: 125 limitMultiFileUploadSizeOverhead: 512, 126 // Set the following option to true to issue all file upload requests 127 // in a sequential order: 128 sequentialUploads: false, 129 // To limit the number of concurrent uploads, 130 // set the following option to an integer greater than 0: 131 limitConcurrentUploads: undefined, 132 // Set the following option to true to force iframe transport uploads: 133 forceIframeTransport: false, 134 // Set the following option to the location of a redirect url on the 135 // origin server, for cross-domain iframe transport uploads: 136 redirect: undefined, 137 // The parameter name for the redirect url, sent as part of the form 138 // data and set to 'redirect' if this option is empty: 139 redirectParamName: undefined, 140 // Set the following option to the location of a postMessage window, 141 // to enable postMessage transport uploads: 142 postMessage: undefined, 143 // By default, XHR file uploads are sent as multipart/form-data. 144 // The iframe transport is always using multipart/form-data. 145 // Set to false to enable non-multipart XHR uploads: 146 multipart: true, 147 // To upload large files in smaller chunks, set the following option 148 // to a preferred maximum chunk size. If set to 0, null or undefined, 149 // or the browser does not support the required Blob API, files will 150 // be uploaded as a whole. 151 maxChunkSize: undefined, 152 // When a non-multipart upload or a chunked multipart upload has been 153 // aborted, this option can be used to resume the upload by setting 154 // it to the size of the already uploaded bytes. This option is most 155 // useful when modifying the options object inside of the "add" or 156 // "send" callbacks, as the options are cloned for each file upload. 157 uploadedBytes: undefined, 158 // By default, failed (abort or error) file uploads are removed from the 159 // global progress calculation. Set the following option to false to 160 // prevent recalculating the global progress data: 161 recalculateProgress: true, 162 // Interval in milliseconds to calculate and trigger progress events: 163 progressInterval: 100, 164 // Interval in milliseconds to calculate progress bitrate: 165 bitrateInterval: 500, 166 // By default, uploads are started automatically when adding files: 167 autoUpload: true, 168 169 // Error and info messages: 170 messages: { 171 uploadedBytes: 'Uploaded bytes exceed file size' 172 }, 173
174 // Translation function, gets the message key to be translated 175 // and an object with context specific data as arguments: 176 i18n: function (message, context) { 177 message = this.messages[message] || message.toString(); 178 if (context) { 179 $.each(context, function (key, value) { 180 message = message.replace('{' + key + '}', value); 181 }); 182 } 183 return message; 184 }, 185 186 // Additional form data to be sent along with the file uploads can be set 187 // using this option, which accepts an array of objects with name and 188 // value properties, a function returning such an array, a FormData 189 // object (for XHR file uploads), or a simple object. 190 // The form of the first fileInput is given as parameter to the function: 191 formData: function (form) { 192 return form.serializeArray(); 193 }, 194 195 // The add callback is invoked as soon as files are added to the fileupload 196 // widget (via file input selection, drag & drop, paste or add API call). 197 // If the singleFileUploads option is enabled, this callback will be 198 // called once for each file in the selection for XHR file uploads, else 199 // once for each file selection. 200 // 201 // The upload starts when the submit method is invoked on the data parameter. 202 // The data object contains a files property holding the added files 203 // and allows you to override plugin options as well as define ajax settings. 204 // 205 // Listeners for this callback can also be bound the following way: 206 // .bind('fileuploadadd', func); 207 // 208 // data.submit() returns a Promise object and allows to attach additional 209 // handlers using jQuery's Deferred callbacks: 210 // data.submit().done(func).fail(func).always(func); 211 add: function (e, data) { 212 if (e.isDefaultPrevented()) { 213 return false; 214 } 215 if (data.autoUpload || (data.autoUpload !== false && 216 $(this).fileupload('option', 'autoUpload'))) { 217 data.process().done(function () { 218 data.submit(); 219 }); 220 } 221 }, 222 223 // Other callbacks: 224 225 // Callback for the submit event of each file upload: 226 // submit: function (e, data) {}, // .bind('fileuploadsubmit', func); 227 228 // Callback for the start of each file upload request: 229 // send: function (e, data) {}, // .bind('fileuploadsend', func); 230 231 // Callback for successful uploads: 232 // done: function (e, data) {}, // .bind('fileuploaddone', func); 233 234 // Callback for failed (abort or error) uploads: 235 // fail: function (e, data) {}, // .bind('fileuploadfail', func); 236 237 // Callback for completed (success, abort or error) requests: 238 // always: function (e, data) {}, // .bind('fileuploadalways', func); 239 240 // Callback for upload progress events: 241 // progress: function (e, data) {}, // .bind('fileuploadprogress', func); 242 243 // Callback for global upload progress events: 244 // progressall: function (e, data) {}, // .bind('fileuploadprogressall', func); 245 246 // Callback for uploads start, equivalent to the global ajaxStart event: 247 // start: function (e) {}, // .bind('fileuploadstart', func); 248 249 // Callback for uploads stop, equivalent to the global ajaxStop event: 250 // stop: function (e) {}, // .bind('fileuploadstop', func); 251 252 // Callback for change events of the fileInput(s): 253 // change: function (e, data) {}, // .bind('fileuploadchange', func); 254 255 // Callback for paste events to the pasteZone(s): 256 // paste: function (e, data) {}, // .bind('fileuploadpaste', func); 257 258 // Callback for drop events of the dropZone(s): 259 // drop: function (e, data) {}, // .bind('fileuploaddrop', func); 260 261 // Callback for dragover events of the dropZone(s): 262 // dragover: function (e) {}, // .bind('fileuploaddragover', func); 263 264 // Callback for the start of each chunk upload request: 265 // chunksend: function (e, data) {}, // .bind('fileuploadchunksend', func); 266 267 // Callback for successful chunk uploads: 268 // chunkdone: function (e, data) {}, // .bind('fileuploadchunkdone', func); 269 270 // Callback for failed (abort or error) chunk uploads: 271 // chunkfail: function (e, data) {}, // .bind('fileuploadchunkfail', func); 272 273 // Callback for completed (success, abort or error) chunk upload requests: 274 // chunkalways: function (e, data) {}, // .bind('fileuploadchunkalways', func); 275 276 // The plugin options are used as settings object for the ajax calls. 277 // The following are jQuery ajax settings required for the file uploads: 278 processData: false, 279 contentType: false, 280 cache: false, 281 timeout: 0 282 }, 283 284 // A list of options that require reinitializing event listeners and/or 285 // special initialization code: 286 _specialOptions: [ 287 'fileInput', 288 'dropZone', 289 'pasteZone', 290 'multipart', 291 'forceIframeTransport' 292 ], 293 294 _blobSlice: $.support.blobSlice && function () { 295 var slice = this.slice || this.webkitSlice || this.mozSlice; 296 return slice.apply(this, arguments); 297 }, 298 299 _BitrateTimer: function () { 300 this.timestamp = ((Date.now) ? Date.now() : (new Date()).getTime()); 301 this.loaded = 0; 302 this.bitrate = 0; 303 this.getBitrate = function (now, loaded, interval) { 304 var timeDiff = now - this.timestamp; 305 if (!this.bitrate || !interval || timeDiff > interval) { 306 this.bitrate = (loaded - this.loaded) * (1000 / timeDiff) * 8; 307 this.loaded = loaded; 308 this.timestamp = now; 309 } 310 return this.bitrate; 311 }; 312 }, 313 314 _isXHRUpload: function (options) { 315 return !options.forceIframeTransport && 316 ((!options.multipart && $.support.xhrFileUpload) || 317 $.support.xhrFormDataFileUpload); 318 }, 319 320 _getFormData: function (options) { 321 var formData; 322 if ($.type(options.formData) === 'function') { 323 return options.formData(options.form); 324 } 325 if ($.isArray(options.formData)) { 326 return options.formData; 327 } 328 if ($.type(options.formData) === 'object') { 329 formData = []; 330 $.each(options.formData, function (name, value) { 331 formData.push({name: name, value: value}); 332 }); 333 return formData; 334 } 335 return []; 336 }, 337 338 _getTotal: function (files) { 339 var total = 0; 340 $.each(files, function (index, file) { 341 total += file.size || 1; 342 }); 343 return total; 344 }, 345 346 _initProgressObject: function (obj) { 347 var progress = { 348 loaded: 0, 349 total: 0, 350 bitrate: 0 351 }; 352 if (obj._progress) { 353 $.extend(obj._progress, progress); 354 } else { 355 obj._progress = progress; 356 } 357 }, 358 359 _initResponseObject: function (obj) { 360 var prop; 361 if (obj._response) { 362 for (prop in obj._response) { 363 if (obj._response.hasOwnProperty(prop)) { 364 delete obj._response[prop]; 365 } 366 } 367 } else { 368 obj._response = {}; 369 } 370 }, 371 372 _onProgress: function (e, data) { 373 if (e.lengthComputable) { 374 var now = ((Date.now) ? Date.now() : (new Date()).getTime()), 375 loaded; 376 if (data._time && data.progressInterval && 377 (now - data._time < data.progressInterval) && 378 e.loaded !== e.total) { 379 return; 380 } 381 data._time = now; 382 loaded = Math.floor( 383 e.loaded / e.total * (data.chunkSize || data._progress.total) 384 ) + (data.uploadedBytes || 0); 385 // Add the difference from the previously loaded state 386 // to the global loaded counter: 387 this._progress.loaded += (loaded - data._progress.loaded); 388 this._progress.bitrate = this._bitrateTimer.getBitrate( 389 now, 390 this._progress.loaded, 391 data.bitrateInterval 392 ); 393 data._progress.loaded = data.loaded = loaded; 394 data._progress.bitrate = data.bitrate = data._bitrateTimer.getBitrate( 395 now, 396 loaded, 397 data.bitrateInterval 398 ); 399 // Trigger a custom progress event with a total data property set 400 // to the file size(s) of the current upload and a loaded data 401 // property calculated accordingly: 402 this._trigger( 403 'progress', 404 $.Event('progress', {delegatedEvent: e}), 405 data 406 ); 407 // Trigger a global progress event for all current file uploads, 408 // including ajax calls queued for sequential file uploads: 409 this._trigger( 410 'progressall', 411 $.Event('progressall', {delegatedEvent: e}), 412 this._progress 413 ); 414 } 415 }, 416 417 _initProgressListener: function (options) { 418 var that = this, 419 xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr(); 420 // Accesss to the native XHR object is required to add event listeners 421 // for the upload progress event: 422 if (xhr.upload) { 423 $(xhr.upload).bind('progress', function (e) { 424 var oe = e.originalEvent; 425 // Make sure the progress event properties get copied over: 426 e.lengthComputable = oe.lengthComputable; 427 e.loaded = oe.loaded; 428 e.total = oe.total; 429 that._onProgress(e, options); 430 }); 431 options.xhr = function () { 432 return xhr; 433 }; 434 } 435 }, 436 437 _isInstanceOf: function (type, obj) { 438 // Cross-frame instanceof check 439 return Object.prototype.toString.call(obj) === '[object ' + type + ']'; 440 }, 441 442 _initXHRData: function (options) { 443 var that = this, 444 formData, 445 file = options.files[0], 446 // Ignore non-multipart setting if not supported:
447 multipart = options.multipart || !$.support.xhrFileUpload, 448 paramName = $.type(options.paramName) === 'array' ? 449 options.paramName[0] : options.paramName; 450 options.headers = $.extend({}, options.headers); 451 if (options.contentRange) { 452 options.headers['Content-Range'] = options.contentRange; 453 } 454 if (!multipart || options.blob || !this._isInstanceOf('File', file)) { 455 options.headers['Content-Disposition'] = 'attachment; filename="' + 456 encodeURI(file.uploadName || file.name) + '"'; 457 } 458 if (!multipart) { 459 options.contentType = file.type || 'application/octet-stream'; 460 options.data = options.blob || file; 461 } else if ($.support.xhrFormDataFileUpload) { 462 if (options.postMessage) { 463 // window.postMessage does not allow sending FormData 464 // objects, so we just add the File/Blob objects to 465 // the formData array and let the postMessage window 466 // create the FormData object out of this array: 467 formData = this._getFormData(options); 468 if (options.blob) { 469 formData.push({ 470 name: paramName, 471 value: options.blob 472 }); 473 } else { 474 $.each(options.files, function (index, file) { 475 formData.push({ 476 name: ($.type(options.paramName) === 'array' && 477 options.paramName[index]) || paramName, 478 value: file 479 }); 480 }); 481 } 482 } else { 483 if (that._isInstanceOf('FormData', options.formData)) { 484 formData = options.formData; 485 } else { 486 formData = new FormData(); 487 $.each(this._getFormData(options), function (index, field) { 488 formData.append(field.name, field.value); 489 }); 490 } 491 if (options.blob) { 492 formData.append( 493 paramName, 494 options.blob, 495 file.uploadName || file.name 496 ); 497 } else { 498 $.each(options.files, function (index, file) { 499 // This check allows the tests to run with 500 // dummy objects: 501 if (that._isInstanceOf('File', file) || 502 that._isInstanceOf('Blob', file)) { 503 formData.append( 504 ($.type(options.paramName) === 'array' && 505 options.paramName[index]) || paramName, 506 file, 507 file.uploadName || file.name 508 ); 509 } 510 }); 511 } 512 } 513 options.data = formData; 514 } 515 // Blob reference is not needed anymore, free memory: 516 options.blob = null; 517 }, 518 519 _initIframeSettings: function (options) { 520 var targetHost = $('<a></a>').prop('href', options.url).prop('host'); 521 // Setting the dataType to iframe enables the iframe transport: 522 options.dataType = 'iframe ' + (options.dataType || ''); 523 // The iframe transport accepts a serialized array as form data: 524 options.formData = this._getFormData(options); 525 // Add redirect url to form data on cross-domain uploads: 526 if (options.redirect && targetHost && targetHost !== location.host) { 527 options.formData.push({ 528 name: options.redirectParamName || 'redirect', 529 value: options.redirect 530 }); 531 } 532 }, 533 534 _initDataSettings: function (options) { 535 if (this._isXHRUpload(options)) { 536 if (!this._chunkedUpload(options, true)) { 537 if (!options.data) { 538 this._initXHRData(options); 539 } 540 this._initProgressListener(options); 541 } 542 if (options.postMessage) { 543 // Setting the dataType to postmessage enables the 544 // postMessage transport: 545 options.dataType = 'postmessage ' + (options.dataType || ''); 546 } 547 } else { 548 this._initIframeSettings(options); 549 } 550 }, 551 552 _getParamName: function (options) { 553 var fileInput = $(options.fileInput), 554 paramName = options.paramName; 555 if (!paramName) { 556 paramName = []; 557 fileInput.each(function () { 558 var input = $(this), 559 name = input.prop('name') || 'files[]', 560 i = (input.prop('files') || [1]).length; 561 while (i) { 562 paramName.push(name); 563 i -= 1; 564 } 565 }); 566 if (!paramName.length) { 567 paramName = [fileInput.prop('name') || 'files[]']; 568 } 569 } else if (!$.isArray(paramName)) { 570 paramName = [paramName]; 571 } 572 return paramName; 573 }, 574 575 _initFormSettings: function (options) { 576 // Retrieve missing options from the input field and the 577 // associated form, if available: 578 if (!options.form || !options.form.length) { 579 options.form = $(options.fileInput.prop('form')); 580 // If the given file input doesn't have an associated form, 581 // use the default widget file input's form: 582 if (!options.form.length) { 583 options.form = $(this.options.fileInput.prop('form')); 584 } 585 } 586 options.paramName = this._getParamName(options); 587 if (!options.url) { 588 options.url = options.form.prop('action') || location.href; 589 } 590 // The HTTP request method must be "POST" or "PUT": 591 options.type = (options.type || 592 ($.type(options.form.prop('method')) === 'string' && 593 options.form.prop('method')) || '' 594 ).toUpperCase(); 595 if (options.type !== 'POST' && options.type !== 'PUT' && 596 options.type !== 'PATCH') { 597 options.type = 'POST'; 598 } 599 if (!options.formAcceptCharset) { 600 options.formAcceptCharset = options.form.attr('accept-charset'); 601 } 602 }, 603 604 _getAJAXSettings: function (data) { 605 var options = $.extend({}, this.options, data); 606 this._initFormSettings(options); 607 this._initDataSettings(options); 608 return options; 609 }, 610 611 // jQuery 1.6 doesn't provide .state(), 612 // while jQuery 1.8+ removed .isRejected() and .isResolved(): 613 _getDeferredState: function (deferred) { 614 if (deferred.state) { 615 return deferred.state(); 616 } 617 if (deferred.isResolved()) { 618 return 'resolved'; 619 } 620 if (deferred.isRejected()) { 621 return 'rejected'; 622 } 623 return 'pending'; 624 }, 625 626 // Maps jqXHR callbacks to the equivalent 627 // methods of the given Promise object: 628 _enhancePromise: function (promise) { 629 promise.success = promise.done; 630 promise.error = promise.fail; 631 promise.complete = promise.always; 632 return promise; 633 }, 634 635 // Creates and returns a Promise object enhanced with 636 // the jqXHR methods abort, success, error and complete: 637 _getXHRPromise: function (resolveOrReject, context, args
637) { 638 var dfd = $.Deferred(), 639 promise = dfd.promise(); 640 context = context || this.options.context || promise; 641 if (resolveOrReject === true) { 642 dfd.resolveWith(context, args); 643 } else if (resolveOrReject === false) { 644 dfd.rejectWith(context, args); 645 } 646 promise.abort = dfd.promise; 647 return this._enhancePromise(promise); 648 }, 649 650 // Adds convenience methods to the data callback argument: 651 _addConvenienceMethods: function (e, data) { 652 var that = this, 653 getPromise = function (args) { 654 return $.Deferred().resolveWith(that, args).promise(); 655 }; 656 data.process = function (resolveFunc, rejectFunc) { 657 if (resolveFunc || rejectFunc) { 658 data._processQueue = this._processQueue = 659 (this._processQueue || getPromise([this])).then( 660 function () { 661 if (data.errorThrown) { 662 return $.Deferred() 663 .rejectWith(that, [data]).promise(); 664 } 665 return getPromise(arguments); 666 } 667 ).then(resolveFunc, rejectFunc); 668 } 669 return this._processQueue || getPromise([this]); 670 }; 671 data.submit = function () { 672 if (this.state() !== 'pending') { 673 data.jqXHR = this.jqXHR = 674 (that._trigger( 675 'submit', 676 $.Event('submit', {delegatedEvent: e}), 677 this 678 ) !== false) && that._onSend(e, this); 679 } 680 return this.jqXHR || that._getXHRPromise(); 681 }; 682 data.abort = function () { 683 if (this.jqXHR) { 684 return this.jqXHR.abort(); 685 } 686 this.errorThrown = 'abort'; 687 that._trigger('fail', null, this); 688 return that._getXHRPromise(false); 689 }; 690 data.state = function () { 691 if (this.jqXHR) { 692 return that._getDeferredState(this.jqXHR); 693 } 694 if (this._processQueue) { 695 return that._getDeferredState(this._processQueue); 696 } 697 }; 698 data.processing = function () { 699 return !this.jqXHR && this._processQueue && that 700 ._getDeferredState(this._processQueue) === 'pending'; 701 }; 702 data.progress = function () { 703 return this._progress; 704 }; 705 data.response = function () { 706 return this._response; 707 }; 708 }, 709 710 // Parses the Range header from the server response 711 // and returns the uploaded bytes: 712 _getUploadedBytes: function (jqXHR) { 713 var range = jqXHR.getResponseHeader('Range'), 714 parts = range && range.split('-'), 715 upperBytesPos = parts && parts.length > 1 && 716 parseInt(parts[1], 10); 717 return upperBytesPos && upperBytesPos + 1; 718 }, 719 720 // Uploads a file in multiple, sequential requests 721 // by splitting the file up in multiple blob chunks. 722 // If the second parameter is true, only tests if the file 723 // should be uploaded in chunks, but does not invoke any 724 // upload requests: 725 _chunkedUpload: function (options, testOnly) { 726 options.uploadedBytes = options.uploadedBytes || 0; 727 var that = this, 728 file = options.files[0], 729 fs = file.size, 730 ub = options.uploadedBytes, 731 mcs = options.maxChunkSize || fs, 732 slice = this._blobSlice, 733 dfd = $.Deferred(), 734 promise = dfd.promise(), 735 jqXHR, 736 upload; 737 if (!(this._isXHRUpload(options) && slice && (ub || ($.type(mcs) === 'function' ? mcs(options) : mcs) < fs)) || 738 options.data) { 739 return false;
740 } 741 if (testOnly) { 742 return true; 743 } 744 if (ub >= fs) { 745 file.error = options.i18n('uploadedBytes'); 746 return this._getXHRPromise( 747 false, 748 options.context, 749 [null, 'error', file.error] 750 ); 751 } 752 // The chunk upload method: 753 upload = function () { 754 // Clone the options object for each chunk upload: 755 var o = $.extend({}, options), 756 currentLoaded = o._progress.loaded; 757 o.blob = slice.call( 758 file, 759 ub, 760 ub + ($.type(mcs) === 'function' ? mcs(o) : mcs), 761 file.type 762 ); 763 // Store the current chunk size, as the blob itself 764 // will be dereferenced after data processing: 765 o.chunkSize = o.blob.size; 766 // Expose the chunk bytes position range: 767 o.contentRange = 'bytes ' + ub + '-' + 768 (ub + o.chunkSize - 1) + '/' + fs; 769 // Process the upload data (the blob and potential form data): 770 that._initXHRData(o); 771 // Add progress listeners for this chunk upload: 772 that._initProgressListener(o); 773 jqXHR = ((that._trigger('chunksend', null, o) !== false && $.ajax(o)) || 774 that._getXHRPromise(false, o.context)) 775 .done(function (result, textStatus, jqXHR) { 776 ub = that._getUploadedBytes(jqXHR) || 777 (ub + o.chunkSize); 778 // Create a progress event if no final progress event 779 // with loaded equaling total has been triggered 780 // for this chunk: 781 if (currentLoaded + o.chunkSize - o._progress.loaded) { 782 that._onProgress($.Event('progress', { 783 lengthComputable: true, 784 loaded: ub - o.uploadedBytes, 785 total: ub - o.uploadedBytes 786 }), o); 787 } 788 options.uploadedBytes = o.uploadedBytes = ub; 789 o.result = result; 790 o.textStatus = textStatus; 791 o.jqXHR = jqXHR; 792 that._trigger('chunkdone', null, o); 793 that._trigger('chunkalways', null, o); 794 if (ub < fs) { 795 // File upload not yet complete, 796 // continue with the next chunk: 797 upload(); 798 } else { 799 dfd.resolveWith( 800 o.context, 801 [result, textStatus, jqXHR] 802 ); 803 } 804 }) 805 .fail(function (jqXHR, textStatus, errorThrown) { 806 o.jqXHR = jqXHR; 807 o.textStatus = textStatus; 808 o.errorThrown = errorThrown; 809 that._trigger('chunkfail', null, o); 810 that._trigger('chunkalways', null, o); 811 dfd.rejectWith( 812 o.context, 813 [jqXHR, textStatus, errorThrown] 814 ); 815 }); 816 }; 817 this._enhancePromise(promise); 818 promise.abort = function () { 819 return jqXHR.abort(); 820 }; 821 upload(); 822 return promise; 823 }, 824 825 _beforeSend: function (e, data) { 826 if (this._active === 0) { 827 // the start callback is triggered when an upload starts 828 // and no other uploads are currently running, 829 // equivalent to the global ajaxStart event: 830 this._trigger('start'); 831 // Set timer for global bitrate progress calculation: 832 this._bitrateTimer = new this._BitrateTimer(); 833 // Reset the global progress values: 834 this._progress.loaded = this._progress.total = 0; 835 this._progress.bitrate = 0; 836 } 837 // Make sure the container objects for the .response() and 838 // .progress() methods on the data object are available 839 // and reset to their initial state: 840 this._initResponseObject(data); 841 this._initProgressObject(data); 842 data._progress.loaded = data.loaded = data.uploadedBytes || 0; 843 data._progress.total = data.total = this._getTotal(data.files) || 1; 844 data._progress.bitrate = data.bitrate = 0; 845 this._active += 1; 846 // Initialize the global progress values: 847 this._progress.loaded += data.loaded; 848 this._progress.total += data.total; 849 }, 850 851 _onDone: function (result, textStatus, jqXHR, options) { 852 var total = options._progress.total, 853 response = options._response; 854 if (options._progress.loaded < total) { 855 // Create a progress event if no final progress event 856 // with loaded equaling total has been triggered: 857 this._onProgress($.Event('progress', { 858 lengthComputable: true, 859 loaded: total, 860 total: total 861 }), options); 862 } 863 response.result = options.result = result; 864 response.textStatus = options.textStatus = textStatus; 865 response.jqXHR = options.jqXHR = jqXHR; 866 this._trigger('done', null, options); 867 }, 868 869 _onFail: function (jqXHR, textStatus, errorThrown, options) { 870 var response = options._response; 871 if (options.recalculateProgress) { 872 // Remove the failed (error or abort) file upload from 873 // the global progress calculation: 874 this._progress.loaded -= options._progress.loaded;
875 this._progress.total -= options._progress.total; 876 } 877 response.jqXHR = options.jqXHR = jqXHR; 878 response.textStatus = options.textStatus = textStatus; 879 response.errorThrown = options.errorThrown = errorThrown; 880 this._trigger('fail', null, options); 881 }, 882 883 _onAlways: function (jqXHRorResult, textStatus, jqXHRorError, options) { 884 // jqXHRorResult, textStatus and jqXHRorError are added to the 885 // options object via done and fail callbacks 886 this._trigger('always', null, options); 887 }, 888 889 _onSend: function (e, data) { 890 if (!data.submit) { 891 this._addConvenienceMethods(e, data); 892 } 893 var that = this, 894 jqXHR, 895 aborted, 896 slot, 897 pipe, 898 options = that._getAJAXSettings(data), 899 send = function () { 900 that._sending += 1; 901 // Set timer for bitrate progress calculation: 902 options._bitrateTimer = new that._BitrateTimer(); 903 jqXHR = jqXHR || ( 904 ((aborted || that._trigger( 905 'send', 906 $.Event('send', {delegatedEvent: e}), 907 options 908 ) === false) && 909 that._getXHRPromise(false, options.context, aborted)) || 910 that._chunkedUpload(options) || $.ajax(options) 911 ).done(function (result, textStatus, jqXHR) { 912 that._onDone(result, textStatus, jqXHR, options); 913 }).fail(function (jqXHR, textStatus, errorThrown) { 914 that._onFail(jqXHR, textStatus, errorThrown, options); 915 }).always(function (jqXHRorResult, textStatus, jqXHRorError) { 916 that._onAlways( 917 jqXHRorResult, 918 textStatus, 919 jqXHRorError, 920 options 921 ); 922 that._sending -= 1; 923 that._active -= 1; 924 if (options.limitConcurrentUploads && 925 options.limitConcurrentUploads > that._sending) { 926 // Start the next queued upload, 927 // that has not been aborted: 928 var nextSlot = that._slots.shift(); 929 while (nextSlot) { 930 if (that._getDeferredState(nextSlot) === 'pending') { 931 nextSlot.resolve(); 932 break; 933 } 934 nextSlot = that._slots.shift(); 935 } 936 } 937 if (that._active === 0) { 938 // The stop callback is triggered when all uploads have 939 // been completed, equivalent to the global ajaxStop event: 940 that._trigger('stop'); 941 } 942 }); 943 return jqXHR; 944 }; 945 this._beforeSend(e, options); 946 if (this.options.sequentialUploads || 947 (this.options.limitConcurrentUploads && 948 this.options.limitConcurrentUploads <= this._sending)) { 949 if (this.options.limitConcurrentUploads > 1) { 950 slot = $.Deferred(); 951 this._slots.push(slot); 952 pipe = slot.then(send); 953 } else { 954 this._sequence = this._sequence.then(send, send); 955 pipe = this._sequence; 956 } 957 // Return the piped Promise object, enhanced with an abort method, 958 // which is delegated to the jqXHR object of the current upload, 959 // and jqXHR callbacks mapped to the equivalent Promise methods: 960 pipe.abort = function () { 961 aborted = [undefined, 'abort', 'abort']; 962 if (!jqXHR) { 963 if (slot) { 964 slot.rejectWith(options.context, aborted); 965 } 966 return send(); 967 } 968 return jqXHR.abort(); 969 }; 970 return this._enhancePromise(pipe); 971 } 972 return send(); 973 }, 974 975 _onAdd: function (e, data) { 976 var that = this, 977 result = true, 978 options = $.extend({}, this.options, data), 979 files = data.files, 980 filesLength = files.length, 981 limit = options.limitMultiFileUploads, 982 limitSize = options.limitMultiFileUploadSize, 983 overhead = options.limitMultiFileUploadSizeOverhead, 984 batchSize = 0, 985 paramName = this._getParamName(options), 986 paramNameSet, 987 paramNameSlice, 988 fileSet, 989 i, 990 j = 0; 991 if (!filesLength) { 992 return false;
993 } 994 if (limitSize && files[0].size === undefined) { 995 limitSize = undefined; 996 } 997 if (!(options.singleFileUploads || limit || limitSize) || 998 !this._isXHRUpload(options)) { 999 fileSet = [files]; 1000 paramNameSet = [paramName]; 1001 } else if (!(options.singleFileUploads || limitSize) && limit) { 1002 fileSet = []; 1003 paramNameSet = []; 1004 for (i = 0; i < filesLength; i += limit) { 1005 fileSet.push(files.slice(i, i + limit)); 1006 paramNameSlice = paramName.slice(i, i + limit); 1007 if (!paramNameSlice.length) { 1008 paramNameSlice = paramName; 1009 } 1010 paramNameSet.push(paramNameSlice); 1011 } 1012 } else if (!options.singleFileUploads && limitSize) { 1013 fileSet = []; 1014 paramNameSet = []; 1015 for (i = 0; i < filesLength; i = i + 1) { 1016 batchSize += files[i].size + overhead; 1017 if (i + 1 === filesLength || 1018 ((batchSize + files[i + 1].size + overhead) > limitSize) || 1019 (limit && i + 1 - j >= limit)) { 1020 fileSet.push(files.slice(j, i + 1)); 1021 paramNameSlice = paramName.slice(j, i + 1); 1022 if (!paramNameSlice.length) { 1023 paramNameSlice = paramName; 1024 } 1025 paramNameSet.push(paramNameSlice); 1026 j = i + 1; 1027 batchSize = 0; 1028 } 1029 } 1030 } else { 1031 paramNameSet = paramName; 1032 } 1033 data.originalFiles = files; 1034 $.each(fileSet || files, function (index, element) { 1035 var newData = $.extend({}, data); 1036 newData.files = fileSet ? element : [element]; 1037 newData.paramName = paramNameSet[index]; 1038 that._initResponseObject(newData); 1039 that._initProgressObject(newData); 1040 that._addConvenienceMethods(e, newData); 1041 result = that._trigger( 1042 'add', 1043 $.Event('add', {delegatedEvent: e}), 1044 newData 1045 ); 1046 return result; 1047 }); 1048 return result; 1049 }, 1050 1051 _replaceFileInput: function (data) { 1052 var input = data.fileInput, 1053 inputClone = input.clone(true), 1054 restoreFocus = input.is(document.activeElement); 1055 // Add a reference for the new cloned file input to the data argument: 1056 data.fileInputClone = inputClone; 1057 $('<form></form>').append(inputClone)[0].reset(); 1058 // Detaching allows to insert the fileInput on another form 1059 // without loosing the file input value: 1060 input.after(inputClone).detach(); 1061 // If the fileInput had focus before it was detached, 1062 // restore focus to the inputClone. 1063 if (restoreFocus) { 1064 inputClone.focus(); 1065 } 1066 // Avoid memory leaks with the detached file input: 1067 $.cleanData(input.unbind('remove')); 1068 // Replace the original file input element in the fileInput 1069 // elements set with the clone, which has been copied including 1070 // event handlers: 1071 this.options.fileInput = this.options.fileInput.map(function (i, el) { 1072 if (el === input[0]) { 1073 return inputClone[0]; 1074 } 1075 return el; 1076 }); 1077 // If the widget has been initialized on the file input itself, 1078 // override this.element with the file input clone: 1079 if (input[0] === this.element[0]) { 1080 this.element = inputClone; 1081 } 1082 }, 1083 1084 _handleFileTreeEntry: function (entry, path) { 1085 var that = this, 1086 dfd = $.Deferred(),
1087 entries = [], 1088 dirReader, 1089 errorHandler = function (e) { 1090 if (e && !e.entry) { 1091 e.entry = entry; 1092 } 1093 // Since $.when returns immediately if one 1094 // Deferred is rejected, we use resolve instead. 1095 // This allows valid files and invalid items 1096 // to be returned together in one set: 1097 dfd.resolve([e]); 1098 }, 1099 successHandler = function (entries) { 1100 that._handleFileTreeEntries( 1101 entries, 1102 path + entry.name + '/' 1103 ).done(function (files) { 1104 dfd.resolve(files); 1105 }).fail(errorHandler); 1106 }, 1107 readEntries = function () { 1108 dirReader.readEntries(function (results) { 1109 if (!results.length) { 1110 successHandler(entries); 1111 } else { 1112 entries = entries.concat(results); 1113 readEntries(); 1114 } 1115 }, errorHandler); 1116 }; 1117 path = path || ''; 1118 if (entry.isFile) { 1119 if (entry._file) { 1120 // Workaround for Chrome bug #149735 1121 entry._file.relativePath = path; 1122 dfd.resolve(entry._file); 1123 } else { 1124 entry.file(function (file) { 1125 file.relativePath = path; 1126 dfd.resolve(file); 1127 }, errorHandler); 1128 } 1129 } else if (entry.isDirectory) { 1130 dirReader = entry.createReader(); 1131 readEntries(); 1132 } else { 1133 // Return an empy list for file system items 1134 // other than files or directories: 1135 dfd.resolve([]); 1136 } 1137 return dfd.promise(); 1138 }, 1139 1140 _handleFileTreeEntries: function (entries, path) { 1141 var that = this; 1142 return $.when.apply( 1143 $, 1144 $.map(entries, function (entry) { 1145 return that._handleFileTreeEntry(entry, path); 1146 }) 1147 ).then(function () { 1148 return Array.prototype.concat.apply( 1149 [], 1150 arguments 1151 ); 1152 }); 1153 }, 1154 1155 _getDroppedFiles: function (dataTransfer) { 1156 dataTransfer = dataTransfer || {}; 1157 var items = dataTransfer.items; 1158 if (items && items.length && (items[0].webkitGetAsEntry || 1159 items[0].getAsEntry)) { 1160 return this._handleFileTreeEntries( 1161 $.map(items, function (item) { 1162 var entry; 1163 if (item.webkitGetAsEntry) { 1164 entry = item.webkitGetAsEntry(); 1165 if (entry) { 1166 // Workaround for Chrome bug #149735: 1167 entry._file = item.getAsFile(); 1168 } 1169 return entry; 1170 } 1171 return item.getAsEntry(); 1172 }) 1173 ); 1174 } 1175 return $.Deferred().resolve( 1176 $.makeArray(dataTransfer.files) 1177 ).promise(); 1178 }, 1179 1180 _getSingleFileInputFiles: function (fileInput) { 1181 fileInput = $(fileInput); 1182 var entries = fileInput.prop('webkitEntries') || 1183 fileInput.prop('entries'), 1184 files, 1185 value; 1186 if (entries && entries.length) { 1187 return this._handleFileTreeEntries(entries); 1188 } 1189 files = $.makeArray(fileInput.prop('files')); 1190 if (!files.length) { 1191 value = fileInput.prop('value'); 1192 if (!value) { 1193 return $.Deferred().resolve([]).promise(); 1194 } 1195 // If the files property is not available, the browser does not 1196 // support the File API and we add a pseudo File object with 1197 // the input value as name with path information removed: 1198 files = [{name: value.replace(/^.*\\/, '')}]; 1199 } else if (files[0].name === undefined && files[0].fileName) { 1200 // File normalization for Safari 4 and Firefox 3: 1201 $.each(files, function (index, file) { 1202 file.name = file.fileName; 1203 file.size = file.fileSize; 1204 }); 1205 } 1206 return $.Deferred().resolve(files).promise(); 1207 }, 1208 1209 _getFileInputFiles: function (fileInput) { 1210 if (!(fileInput instanceof $) || fileInput.length === 1) { 1211 return this._getSingleFileInputFiles(fileInput); 1212 } 1213 return $.when.apply( 1214 $, 1215 $.map(fileInput, this._getSingleFileInputFiles) 1216 ).then(function () { 1217 return Array.prototype.concat.apply( 1218 [], 1219 arguments 1220 ); 1221 }); 1222 }, 1223 1224 _onChange: function (e) { 1225 var that = this, 1226 data = { 1227 fileInput: $(e.target), 1228 form: $(e.target.form) 1229 }; 1230 this._getFileInputFiles(data.fileInput).always(function (files) { 1231 data.files = files; 1232 if (that.options.replaceFileInput) { 1233 that._replaceFileInput(data); 1234 } 1235 if (that._trigger( 1236 'change', 1237 $.Event('change', {delegatedEvent: e}), 1238 data 1239 ) !== false) { 1240 that._onAdd(e, data); 1241 } 1242 }); 1243 }, 1244 1245 _onPaste: function (e) { 1246 var items = e.originalEvent && e.originalEvent.clipboardData && 1247 e.originalEvent.clipboardData.items, 1248 data = {files: []}; 1249 if (items && items.length) { 1250 $.each(items, function (index, item) { 1251 var file = item.getAsFile && item.getAsFile(); 1252 if (file) { 1253 data.files.push(file); 1254 } 1255 }); 1256 if (this._trigger( 1257 'paste', 1258 $.Event('paste', {delegatedEvent: e}), 1259 data 1260 ) !== false) { 1261 this._onAdd(e, data); 1262 } 1263 } 1264 }, 1265 1266 _onDrop: function (e) { 1267 e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer; 1268 var that = this, 1269 dataTransfer = e.dataTransfer, 1270 data = {}; 1271 if (dataTransfer && dataTransfer.files && dataTransfer.files.length) { 1272 e.preventDefault(); 1273 this._getDroppedFiles(dataTransfer).always(function (files) { 1274 data.files = files; 1275 if (that._trigger( 1276 'drop', 1277 $.Event('drop', {delegatedEvent: e}), 1278 data 1279 ) !== false) { 1280 that._onAdd(e, data); 1281 } 1282 }); 1283 } 1284 }, 1285 1286 _onDragOver: getDragHandler('dragover'), 1287 1288 _onDragEnter: getDragHandler('dragenter'), 1289 1290 _onDragLeave: getDragHandler('dragleave'), 1291 1292 _initEventHandlers: function () { 1293 if (this._isXHRUpload(this.options)) { 1294 this._on(this.options.dropZone, { 1295 dragover: this._onDragOver, 1296 drop: this._onDrop, 1297 // event.preventDefault() on dragenter is required for IE10+: 1298 dragenter: this._onDragEnter, 1299 // dragleave is not required, but added for c
1299ompleteness: 1300 dragleave: this._onDragLeave 1301 }); 1302 this._on(this.options.pasteZone, { 1303 paste: this._onPaste 1304 }); 1305 } 1306 if ($.support.fileInput) { 1307 this._on(this.options.fileInput, { 1308 change: this._onChange 1309 }); 1310 } 1311 }, 1312 1313 _destroyEventHandlers: function () { 1314 this._off(this.options.dropZone, 'dragenter dragleave dragover drop'); 1315 this._off(this.options.pasteZone, 'paste'); 1316 this._off(this.options.fileInput, 'change'); 1317 }, 1318 1319 _destroy: function () { 1320 this._destroyEventHandlers(); 1321 }, 1322 1323 _setOption: function (key, value) { 1324 var reinit = $.inArray(key, this._specialOptions) !== -1; 1325 if (reinit) { 1326 this._destroyEventHandlers(); 1327 } 1328 this._super(key, value); 1329 if (reinit) { 1330 this._initSpecialOptions(); 1331 this._initEventHandlers(); 1332 } 1333 }, 1334 1335 _initSpecialOptions: function () { 1336 var options = this.options; 1337 if (options.fileInput === undefined) { 1338 options.fileInput = this.element.is('input[type="file"]') ? 1339 this.element : this.element.find('input[type="file"]'); 1340 } else if (!(options.fileInput instanceof $)) { 1341 options.fileInput = $(options.fileInput); 1342 } 1343 if (!(options.dropZone instanceof $)) { 1344 options.dropZone = $(options.dropZone); 1345 } 1346 if (!(options.pasteZone instanceof $)) { 1347 options.pasteZone = $(options.pasteZone); 1348 } 1349 }, 1350 1351 _getRegExp: function (str) { 1352 var parts = str.split('/'), 1353 modifiers = parts.pop(); 1354 parts.shift(); 1355 return new RegExp(parts.join('/'), modifiers); 1356 }, 1357 1358 _isRegExpOption: function (key, value) { 1359 return key !== 'url' && $.type(value) === 'string' && 1360 /^\/.*\/[igm]{0,3}$/.test(value); 1361 }, 1362 1363 _initDataAttributes: function () { 1364 var that = this, 1365 options = this.options, 1366 data = this.element.data(); 1367 // Initialize options set via HTML5 data-attributes: 1368 $.each( 1369 this.element[0].attributes, 1370 function (index, attr) { 1371 var key = attr.name.toLowerCase(), 1372 value; 1373 if (/^data-/.test(key)) { 1374 // Convert hyphen-ated key to camelCase: 1375 key = key.slice(5).replace(/-[a-z]/g, function (str) { 1376 return str.charAt(1).toUpperCase(); 1377 }); 1378 value = data[key]; 1379 if (that._isRegExpOption(key, value)) { 1380 value = that._getRegExp(value); 1381 } 1382 options[key] = value; 1383 } 1384 } 1385 ); 1386 }, 1387 1388 _create: function () { 1389 this._initDataAttributes(); 1390 this._initSpecialOptions(); 1391 this._slots = []; 1392 this._sequence = this._getXHRPromise(true); 1393 this._sending = this._active = 0; 1394 this._initProgressObject(this); 1395 this._initEventHandlers(); 1396 }, 1397 1398 // This method is exposed to the widget API and allows to query 1399 // the number of active uploads: 1400 active: function () { 1401 return this._active; 1402 }, 1403 1404 // This method is exposed to the widget API and allows to query 1405 // the widget upload progress. 1406 // It returns an object with loaded, total and bitrate properties 1407 // for the running uploads: 1408 progress: function () { 1409 return this._progress; 1410 }, 1411 1412 // This method is exposed to the widget API and allows adding files 1413 // using the fileupload API. The data parameter accepts an object which 1414 // must have a files property and can contain additional options: 1415 // .fileupload('add', {files: filesList}); 1416 add: function (data) { 1417 var that = this; 1418 if (!data || this.options.disabled) { 1419 return; 1420 } 1421 if (data.fileInput && !data.files) { 1422 this._getFileInputFiles(data.fileInput).always(function (files) { 1423 data.files = files; 1424 that._onAdd(null, data); 1425 }); 1426 } else { 1427 data.files = $.makeArray(data.files); 1428 this._onAdd(null, data); 1429 } 1430 }, 1431 1432 // This method is exposed to the widget API and allows sending files 1433 // using the fileupload API. The data parameter accepts an object which 1434 // must have a files or fileInput property and can contain additional options: 1435 // .fileupload('send', {files: filesList}); 1436 // The method returns a Promise object for the file upload call. 1437 send: function (data) { 1438 if (data && !this.options.disabled) { 1439 if (data.fileInput && !data.files) { 1440 var that = this, 1441 dfd = $.Deferred(), 1442 promise = dfd.promise(), 1443 jqXHR, 1444 aborted; 1445 promise.abort = function () { 1446 aborted = true; 1447 if (jqXHR) { 1448 return jqXHR.abort(); 1449 } 1450 dfd.reject(null, 'abort', 'abort'); 1451 return promise; 1452 }; 1453 this._getFileInputFiles(data.fileInput).always( 1454 function (files) { 1455 if (aborted) { 1456 return; 1457 } 1458 if (!files.length) { 1459 dfd.reject(); 1460 return; 1461 } 1462 data.files = files; 1463 jqXHR = that._onSend(null, data); 1464 jqXHR.then( 1465 function (result, textStatus, jqXHR) { 1466 dfd.resolve(result, textStatus, jqXHR); 1467 }, 1468 function (jqXHR, textStatus, errorThrown) { 1469 dfd.reject(jqXHR, textStatus, errorThrown); 1470 } 1471 ); 1472 } 1473 ); 1474 return this._enhancePromise(promise); 1475 } 1476 data.files = $.makeArray(data.files); 1477 if (data.files.length) { 1478 return this._onSend(null, data); 1479 } 1480 } 1481 return this._getXHRPromise(false, data && data.context); 1482 } 1483 1484 }); 1485 1486}));
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.