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/* global define, require */ 13/* eslint-disable new-cap */ 14 15(function (factory) { 16 'use strict'; 17 if (typeof define === 'function' && define.amd) { 18 // Register as an anonymous AMD module: 19 define(['jquery', 'jquery-ui/ui/widget'], factory); 20 } else if (typeof exports === 'object') { 21 // Node/CommonJS: 22 factory(require('jquery'), require('./vendor/jquery.ui.widget')); 23 } else { 24 // Browser globals: 25 factory(window.jQuery); 26 } 27})(function ($) { 28 'use strict'; 29 30 // Detect file input support, based on 31 // https://viljamis.com/2012/file-upload-support-on-mobile/ 32 $.support.fileInput = !( 33 new RegExp( 34 // Handle devices which give false positives for the feature detection: 35 '(Android (1\\.[0156]|2\\.[01]))' + 36 '|(Windows Phone (OS 7|8\\.0))|(XBLWP)|(ZuneWP)|(WPDesktop)' + 37 '|(w(eb)?OSBrowser)|(webOS)' + 38 '|(Kindle/(1\\.0|2\\.[05]|3\\.0))' 39 ).test(window.navigator.userAgent) || 40 // Feature detection for all other devices: 41 $('<input type="file"/>').prop('disabled') 42 ); 43 44 // The FileReader API is not actually used, but works as feature detection, 45 // as some Safari versions (5?) support XHR file uploads via the FormData API, 46 // but not non-multipart XHR file uploads. 47 // window.XMLHttpRequestUpload is not available on IE10, so we check for 48 // window.ProgressEvent instead to detect XHR2 file upload capability: 49 $.support.xhrFileUpload = !!(window.ProgressEvent && window.FileReader); 50 $.support.xhrFormDataFileUpload = !!window.FormData; 51 52 // Detect support for Blob slicing (required for chunked uploads): 53 $.support.blobSlice = 54 window.Blob && 55 (Blob.prototype.slice || 56 Blob.prototype.webkitSlice || 57 Blob.prototype.mozSlice); 58 59 /** 60 * Helper function to create drag handlers for dragover/dragenter/dragleave 61 * 62 * @param {string} type Event type 63 * @returns {Function} Drag handler 64 */ 65 function getDragHandler(type) { 66 var isDragOver = type === 'dragover'; 67 return function (e) { 68 e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer; 69 var dataTransfer = e.dataTransfer; 70 if ( 71 dataTransfer && 72 $.inArray('Files', dataTransfer.types) !== -1 && 73 this._trigger(type, $.Event(type, { delegatedEvent: e })) !== false 74 ) { 75 e.preventDefault(); 76 if (isDragOver) { 77 dataTransfer.dropEffect = 'copy'; 78 } 79 } 80 }; 81 } 82 83 // The fileupload widget listens for change events on file input fields defined 84 // via fileInput setting and paste or drop events of the given dropZone. 85 // In addition to the default jQuery Widget methods, the fileupload widget 86 // exposes the "add" and "send" methods, to add or directly send files using 87 // the fileupload API. 88 // By default, files added via file input selection, paste, drag & drop or 89 // "add" method are uploaded immediately, but it is possible to override 90 // the "add" callback option to queue file uploads. 91 $.widget('blueimp.fileupload', { 92 options: { 93 // The drop target element(s), by the default the complete document. 94 // Set to null to disable drag & drop support: 95 dropZone: $(document), 96 // The paste target element(s), by the default undefined. 97 // Set to a DOM node or jQuery object to enable file pasting: 98 pasteZone: undefined, 99 // The file input field(s), that are listened to for change events. 100 // If undefined, it is set to the file input fields inside 101 // of the widget element on plugin initialization. 102 // Set to null to disable the change listener. 103 fileInput: undefined, 104 // By default, the file input field is replaced with a clone after 105 // each input field change event. This is required for iframe transport 106 // queues and allows change events to be fired for the same file 107 // selection, but can be disabled by setting the following option to fal
107se: 108 replaceFileInput: true, 109 // The parameter name for the file form data (the request argument name). 110 // If undefined or empty, the name property of the file input field is 111 // used, or "files[]" if the file input name property is also empty, 112 // can be a string or an array of strings: 113 paramName: undefined, 114 // By default, each file of a selection is uploaded using an individual 115 // request for XHR type uploads. Set to false to upload file 116 // selections in one request each: 117 singleFileUploads: true, 118 // To limit the number of files uploaded with one XHR request, 119 // set the following option to an integer greater than 0: 120 limitMultiFileUploads: undefined, 121 // The following option limits the number of files uploaded with one 122 // XHR request to keep the request size under or equal to the defined 123 // limit in bytes: 124 limitMultiFileUploadSize: undefined, 125 // Multipart file uploads add a number of bytes to each uploaded file, 126 // therefore the following option adds an overhead for each file used 127 // in the limitMultiFileUploadSize configuration: 128 limitMultiFileUploadSizeOverhead: 512, 129 // Set the following option to true to issue all file upload requests 130 // in a sequential order: 131 sequentialUploads: false, 132 // To limit the number of concurrent uploads, 133 // set the following option to an integer greater than 0: 134 limitConcurrentUploads: undefined, 135 // Set the following option to true to force iframe transport uploads: 136 forceIframeTransport: false, 137 // Set the following option to the location of a redirect url on the 138 // origin server, for cross-domain iframe transport uploads: 139 redirect: undefined, 140 // The parameter name for the redirect url, sent as part of the form 141 // data and set to 'redirect' if this option is empty: 142 redirectParamName: undefined, 143 // Set the following option to the location of a postMessage window, 144 // to enable postMessage transport uploads: 145 postMessage: undefined, 146 // By default, XHR file uploads are sent as multipart/form-data. 147 // The iframe transport is always using multipart/form-data. 148 // Set to false to enable non-multipart XHR uploads: 149 multipart: true, 150 // To upload large files in smaller chunks, set the following option 151 // to a preferred maximum chunk size. If set to 0, null or undefined, 152 // or the browser does not support the required Blob API, files will 153 // be uploaded as a whole. 154 maxChunkSize: undefined, 155 // When a non-multipart upload or a chunked multipart upload has been 156 // aborted, this option can be used to resume the upload by setting 157 // it to the size of the already uploaded bytes. This option is most 158 // useful when modifying the options object inside of the "add" or 159 // "send" callbacks, as the options are cloned for each file upload. 160 uploadedBytes: undefined, 161 // By default, failed (abort or error) file uploads are removed from the 162 // global progress calculation. Set the following option to false to 163 // prevent recalculating the global progress data: 164 recalculateProgress: true, 165 // Interval in milliseconds to calculate and trigger progress events: 166 progressInterval: 100, 167 // Interval in milliseconds to calculate progress bitrate: 168 bitrateInterval: 500, 169 // By default, uploads are started automatically when adding files: 170 autoUpload: true, 171 // By default, duplicate file names are expected to be handled on 172 // the server-side. If this is not possible (e.g. when uploading 173 // files directly to Amazon S3), the following option can be set to 174 // an empty object or an object mapping existing filenames, e.g.: 175 // { "image.jpg": true, "image (1).jpg": true } 176 // If it is set, all files will be uploaded with unique filenames, 177 // adding increasing number suffixes if necessary, e.g.: 178 // "image (2).jpg" 179 uniqueFilenames: undefined, 180 181 // Error and info messages: 182 messages: { 183 uploadedBytes: 'Uploaded bytes exceed file size' 184 }, 185
186 // Translation function, gets the message key to be translated 187 // and an object with context specific data as arguments: 188 i18n: function (message, context) { 189 // eslint-disable-next-line no-param-reassign 190 message = this.messages[message] || message.toString(); 191 if (context) { 192 $.each(context, function (key, value) { 193 // eslint-disable-next-line no-param-reassign 194 message = message.replace('{' + key + '}', value); 195 }); 196 } 197 return message; 198 }, 199 200 // Additional form data to be sent along with the file uploads can be set 201 // using this option, which accepts an array of objects with name and 202 // value properties, a function returning such an array, a FormData 203 // object (for XHR file uploads), or a simple object. 204 // The form of the first fileInput is given as parameter to the function: 205 formData: function (form) { 206 return form.serializeArray(); 207 }, 208 209 // The add callback is invoked as soon as files are added to the fileupload 210 // widget (via file input selection, drag & drop, paste or add API call). 211 // If the singleFileUploads option is enabled, this callback will be 212 // called once for each file in the selection for XHR file uploads, else 213 // once for each file selection. 214 // 215 // The upload starts when the submit method is invoked on the data parameter. 216 // The data object contains a files property holding the added files 217 // and allows you to override plugin options as well as define ajax settings. 218 // 219 // Listeners for this callback can also be bound the following way: 220 // .on('fileuploadadd', func); 221 // 222 // data.submit() returns a Promise object and allows to attach additional 223 // handlers using jQuery's Deferred callbacks: 224 // data.submit().done(func).fail(func).always(func); 225 add: function (e, data) { 226 if (e.isDefaultPrevented()) { 227 return false; 228 } 229 if ( 230 data.autoUpload || 231 (data.autoUpload !== false && 232 $(this).fileupload('option', 'autoUpload')) 233 ) { 234 data.process().done(function () { 235 data.submit(); 236 }); 237 } 238 }, 239 240 // Other callbacks: 241 242 // Callback for the submit event of each file upload: 243 // submit: function (e, data) {}, // .on('fileuploadsubmit', func); 244 245 // Callback for the start of each file upload request: 246 // send: function (e, data) {}, // .on('fileuploadsend', func); 247 248 // Callback for successful uploads: 249 // done: function (e, data) {}, // .on('fileuploaddone', func); 250 251 // Callback for failed (abort or error) uploads: 252 // fail: function (e, data) {}, // .on('fileuploadfail', func); 253 254 // Callback for completed (success, abort or error) requests: 255 // always: function (e, data) {}, // .on('fileuploadalways', func); 256 257 // Callback for upload progress events: 258 // progress: function (e, data) {}, // .on('fileuploadprogress', func); 259 260 // Callback for global upload progress events: 261 // progressall: function (e, data) {}, // .on('fileuploadprogressall', func); 262 263 // Callback for uploads start, equivalent to the global ajaxStart event: 264 // start: function (e) {}, // .on('fileuploadstart', func); 265 266 // Callback for uploads stop, equivalent to the global ajaxStop event: 267 // stop: function (e) {}, // .on('fileuploadstop', func); 268 269 // Callback for change events of the fileInput(s): 270 // change: function (e, data) {}, // .on('fileuploadchange', func); 271 272 // Callback for paste events to the pasteZone(s): 273 // paste: function (e, data) {}, // .on('fileuploadpaste', func); 274 275 // Callback for drop events of the dropZone(s): 276 // drop: function (e, data) {}, // .on('fileuploaddrop', func); 277 278 // Callback for dragover events of the dropZone(s): 279 // dragover: function (e) {}, // .on('fileuploaddragover', func); 280 281 // Callback before the start of each chunk upload request (before form data initialization): 282 // chunkbeforesend: function (e, data) {}, // .on('fileuploadchunkbeforesend', func); 283 284 // Callback for the start of each chunk upload request: 285 // chunksend: function (e, data) {}, // .on('fileuploadchunksend', func); 286 287 // Callback for successful chunk uploads: 288 // chunkdone: function (e, data) {}, // .on('fileuploadchunkdone', func); 289 290 // Callback for failed (abort or error) chunk uploads: 291 // chunkfail: function (e, data) {}, // .on('fileuploadchunkfail', func); 292 293 // Callback for completed (success, abort or error) chunk upload requests: 294 // chunkalways: function (e, data) {}, // .on('fileuploadchunkalways', func); 295 296 // The plugin options are used as settings object for the ajax calls. 297 // The following are jQuery ajax settings required for the file uploads: 298 processData: false, 299 contentType: false, 300 cache: false, 301 timeout: 0 302 }, 303 304 // jQuery versions before 1.8 require promise.pipe if the return value is 305 // used, as promise.then in older versions has a different behavior, see: 306 // https://blog.jquery.com/2012/08/09/jquery-1-8-released/ 307 // https://bugs.jquery.com/ticket/11010 308 // https://github.com/blueimp/jQuery-File-Upload/pull/3435 309 _promisePipe: (function () { 310 var parts = $.fn.jquery.split('.'); 311 return Number(parts[0]) > 1 || Number(parts[1]) > 7 ? 'then' : 'pipe'; 312 })(), 313 314 // A list of options that require reinitializing event listeners and/or 315 // special initialization code: 316 _specialOptions: [ 317 'fileInput', 318 'dropZone', 319 'pasteZone', 320 'multipart', 321 'forceIframeTransport' 322 ], 323 324 _blobSlice: 325 $.support.blobSlice && 326 function () { 327 var slice = this.slice || this.webkitSlice || this.mozSlice; 328 return slice.apply(this, arguments); 329 }, 330 331 _BitrateTimer: function () { 332 this.timestamp = Date.now ? Date.now() : new Date().getTime(); 333 this.loaded = 0; 334 this.bitrate = 0; 335 this.getBitrate = function (now, loaded, interval) { 336 var timeDiff = now - this.timestamp; 337 if (!this.bitrate || !interval || timeDiff > interval) { 338 this.bitrate = (loaded - this.loaded) * (1000 / timeDiff) * 8; 339 this.loaded = loaded; 340 this.timestamp = now; 341 } 342 return this.bitrate; 343 }; 344 }, 345 346 _isXHRUpload: function (options) { 347 return ( 348 !options.forceIframeTransport && 349 ((!options.multipart && $.support.xhrFileUpload) || 350 $.support.xhrFormDataFileUpload) 351 ); 352 }, 353 354 _getFormData: function (options) { 355 var formData; 356 if ($.type(options.formData) === 'function') { 357 return options.formData(options.form); 358 } 359 if ($.isArray(options.formData)) { 360 return options.formData; 361 } 362 if ($.type(options.formData) === 'object') { 363 formData = []; 364 $.each(options.formData, function (name, value) { 365 formData.push({ name: name, value: value }); 366 }); 367 return formData; 368 } 369 return []; 370 }, 371 372 _getTotal: function (files) { 373 var total = 0; 374 $.each(files, function (index, file) { 375 total += file.size || 1; 376 }); 377 return total; 378 }, 379 380 _initProgressObject: function (obj) { 381 var progress = { 382 loaded: 0, 383 total: 0, 384 bitrate: 0 385 }; 386 if (obj._progress) { 387 $.extend(obj._progress, progress); 388 } else { 389 obj._progress = progress; 390 } 391 }, 392 393 _initResponseObject: function (obj) { 394 var prop; 395 if (obj._response) { 396 for (prop in obj._response) { 397 if (Object.prototype.hasOwnProperty.call(obj._response, prop)) { 398 delete obj._response[prop]; 399 } 400 } 401 } else { 402 obj._response = {}; 403 } 404 }, 405 406 _onProgress: function (e, data) { 407 if (e.lengthComputable) { 408 var now = Date.now ? Date.now() : new Date().getTime(), 409 loaded; 410 if ( 411 data._time && 412 data.progressInterval && 413 now - data._time < data.progressInterval && 414 e.loaded !== e.total 415 ) { 416 return; 417 } 418 data._time = now; 419 loaded = 420 Math.floor( 421 (e.loaded / e.total) * (data.chunkSize || data._progress.total) 422 ) + (data.uploadedBytes || 0); 423 // Add the difference from the previously loaded state 424 // to the global loaded counter: 425 this._progress.loaded += loaded - data._progress.loaded; 426 this._progress.bitrate = this._bitrateTimer.getBitrate( 427 now, 428 this._progress.loaded, 429 data.bitrateInterval 430 ); 431 data._progress.loaded = data.loaded = loaded; 432 data._progress.bitrate = data.bitrate = data._bitrateTimer.getBitrate( 433 now, 434 loaded, 435 data.bitrateInterval 436 ); 437 // Trigger a custom progress event with a total data property set 438 // to the file size(s) of the current upload and a loaded data 439 // property calculated accordingly: 440 this._trigger( 441 'progress', 442 $.Event('progress', { delegatedEvent: e }), 443 data 444 ); 445 // Trigger a global progress event for all current file uploads, 446 // including ajax calls queued for sequential file uploads: 447 this._trigger( 448 'progressall', 449 $.Event('progressall', { delegatedEvent: e }), 450 this._progress 451 ); 452 } 453 }, 454 455 _initProgressListener: function (options) { 456 var that = this, 457 xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr(); 458 // Accesss to the native XHR object is required to add event listeners 459 // for the upload progress event: 460 if (xhr.upload) { 461 $(xhr.upload).on('progress', function (e) { 462 var oe = e.originalEvent; 463 // Make sure the progress event properties get copied over: 464 e.lengthComputable = oe.lengthComputable; 465 e.loaded = oe.loaded; 466 e.total = oe.total; 467 that._onProgress(e, options); 468 }); 469 options.xhr = function () { 470 return xhr; 471 }; 472 } 473 }, 474 475 _deinitProgressListener: function (options) { 476 var xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr(); 477 if (xhr.upload) { 478 $(xhr.upload).off('progress'); 479 } 480 }, 481 482 _isInstanceOf: function (type, obj) { 483 // Cross-frame instanceof check 484 return Object.prototype.toString.call(obj) === '[object ' + type + ']'; 485 }, 486 487 _getUniqueFilename: function (name, map) { 488 // eslint-disable-next-line no-param-reassign 489 name = String(name); 490 if (map[name]) { 491 // eslint-disable-next-line no-param-reassign 492 name = name.replace(/(?: \(([\d]+)\))?(\.[^.]+)?$/, function ( 493 _, 494 p1, 495 p2 496 ) { 497 var index = p1 ? Number(p1) + 1 : 1; 498 var ext = p2 || ''; 499 return ' (' + index + ')' + ext; 500 }); 501 return this._getUniqueFilename(name, map); 502 } 503 map[name] = true; 504 return name; 505 }, 506 507 _initXHRData: function (options) { 508 var that = this, 509 formData, 510 file = options.files[0], 511 // Ignore non-multipart setting if not supported:
512 multipart = options.multipart || !$.support.xhrFileUpload, 513 paramName = 514 $.type(options.paramName) === 'array' 515 ? options.paramName[0] 516 : options.paramName; 517 options.headers = $.extend({}, options.headers); 518 if (options.contentRange) { 519 options.headers['Content-Range'] = options.contentRange; 520 } 521 if (!multipart || options.blob || !this._isInstanceOf('File', file)) { 522 options.headers['Content-Disposition'] = 523 'attachment; filename="' + 524 encodeURI(file.uploadName || file.name) + 525 '"'; 526 } 527 if (!multipart) { 528 options.contentType = file.type || 'application/octet-stream'; 529 options.data = options.blob || file; 530 } else if ($.support.xhrFormDataFileUpload) { 531 if (options.postMessage) { 532 // window.postMessage does not allow sending FormData 533 // objects, so we just add the File/Blob objects to 534 // the formData array and let the postMessage window 535 // create the FormData object out of this array: 536 formData = this._getFormData(options); 537 if (options.blob) { 538 formData.push({ 539 name: paramName, 540 value: options.blob 541 }); 542 } else { 543 $.each(options.files, function (index, file) { 544 formData.push({ 545 name: 546 ($.type(options.paramName) === 'array' && 547 options.paramName[index]) || 548 paramName, 549 value: file 550 }); 551 }); 552 } 553 } else { 554 if (that._isInstanceOf('FormData', options.formData)) { 555 formData = options.formData; 556 } else { 557 formData = new FormData(); 558 $.each(this._getFormData(options), function (index, field) { 559 formData.append(field.name, field.value); 560 }); 561 } 562 if (options.blob) { 563 formData.append( 564 paramName, 565 options.blob, 566 file.uploadName || file.name 567 ); 568 } else { 569 $.each(options.files, function (index, file) { 570 // This check allows the tests to run with 571 // dummy objects: 572 if ( 573 that._isInstanceOf('File', file) || 574 that._isInstanceOf('Blob', file) 575 ) { 576 var fileName = file.uploadName || file.name; 577 if (options.uniqueFilenames) { 578 fileName = that._getUniqueFilename( 579 fileName, 580 options.uniqueFilenames 581 ); 582 } 583 formData.append( 584 ($.type(options.paramName) === 'array' && 585 options.paramName[index]) || 586 paramName, 587 file, 588 fileName 589 ); 590 } 591 }); 592 } 593 } 594 options.data = formData; 595 } 596 // Blob reference is not needed anymore, free memory: 597 options.blob = null; 598 }, 599 600 _initIframeSettings: function (options) { 601 var targetHost = $('<a></a>').prop('href', options.url).prop('host'); 602 // Setting the dataType to iframe enables the iframe transport: 603 options.dataType = 'iframe ' + (options.dataType || ''); 604 // The iframe transport accepts a serialized array as form data: 605 options.formData = this._getFormData(options); 606 // Add redirect url to form data on cross-domain uploads: 607 if (options.redirect && targetHost && targetHost !== location.host) { 608 options.formData.push({ 609 name: options.redirectParamName || 'redirect', 610 value: options.redirect 611 }); 612 } 613 }, 614 615 _initDataSettings: function (options) { 616 if (this._isXHRUpload(options)) { 617 if (!this._chunkedUpload(options, true)) { 618 if (!options.data) { 619 this._initXHRData(options); 620 } 621 this._initProgressListener(options); 622 } 623 if (options.postMessage) { 624 // Setting the dataType to postmessage enables the 625 // postMessage transport: 626 options.dataType = 'postmessage ' + (options.dataType || ''); 627 } 628 } else { 629 this._initIframeSettings(options); 630 } 631 }, 632 633 _getParamName: function (options) { 634 var fileInput = $(options.fileInput), 635 paramName = options.paramName; 636 if (!paramName) { 637 paramName = []; 638 fileInput.each(function () { 639 var input = $(this), 640 name = input.prop('name') || 'files[]', 641 i = (input.prop('files') || [1]).length; 642 while (i) { 643 paramName.push(name); 644 i -= 1; 645 } 646 }); 647 if (!paramName.length) { 648 paramName = [fileInput.prop('name') || 'files[]']; 649 } 650 } else if (!$.isArray(paramName)) { 651 paramName = [paramName]; 652 } 653 return paramName; 654 }, 655 656 _initFormSettings: function (options) { 657 // Retrieve missing options from the input field and the 658 // associated form, if available: 659 if (!options.form || !options.form.length) { 660 options.form = $(options.fileInput.prop('form')); 661 // If the given file input doesn't have an associated form, 662 // use the default widget file input's form: 663 if (!options.form.length) { 664 options.form = $(this.options.fileInput.prop('form')); 665 } 666 } 667 options.paramName = this._getParamName(options); 668 if (!options.url) { 669 options.url = options.form.prop('action') || location.href; 670 } 671 // The HTTP request method must be "POST" or "PUT": 672 options.type = ( 673 options.type || 674 ($.type(options.form.prop('method')) === 'string' && 675 options.form.prop('method')) || 676 '' 677 ).toUpperCase(); 678 if ( 679 options.type !== 'POST' && 680 options.type !== 'PUT' && 681 options.type !== 'PATCH' 682 ) { 683 options.type = 'POST'; 684 } 685 if (!options.formAcceptCharset) { 686 options.formAcceptCharset = options.form.attr('accept-charset'); 687 } 688 }, 689 690 _getAJAXSettings: function (data) { 691 var options = $.extend({}, this.options, data); 692 this._initFormSettings(options); 693 this._initDataSettings(options); 694 return options; 695 }, 696 697 // jQuery 1.6 doesn't provide .state(), 698 // while jQuery 1.8+ removed .isRejected() and .isResolved(): 699 _getDeferredState: function (deferred) { 700 if (deferred.state) { 701 return deferred.state(); 702 } 703 if (deferred.isResolved()) { 704 return 'resolved'; 705 } 706 if (deferred.isRejected()) { 707 return 'rejected'; 708 } 709 return 'pending'; 710 }, 711 712 // Maps jqXHR callbacks to the equivalent 713 // methods of the given Promise object: 714 _enhancePromise: function (promise) { 715 promise.success = promise.done; 716 promise.error = promise.fail; 717 promise.complete = promise.always; 718 return promise; 719 }, 720 721 // Creates and returns a Promise object enhanced with 722 // the jqXHR methods abort, success, error and complete:
723 _getXHRPromise: function (resolveOrReject, context, args) { 724 var dfd = $.Deferred(), 725 promise = dfd.promise(); 726 // eslint-disable-next-line no-param-reassign 727 context = context || this.options.context || promise; 728 if (resolveOrReject === true) { 729 dfd.resolveWith(context, args); 730 } else if (resolveOrReject === false) { 731 dfd.rejectWith(context, args); 732 } 733 promise.abort = dfd.promise; 734 return this._enhancePromise(promise); 735 }, 736 737 // Adds convenience methods to the data callback argument: 738 _addConvenienceMethods: function (e, data) { 739 var that = this, 740 getPromise = function (args) { 741 return $.Deferred().resolveWith(that, args).promise(); 742 }; 743 data.process = function (resolveFunc, rejectFunc) { 744 if (resolveFunc || rejectFunc) { 745 data._processQueue = this._processQueue = (this._processQueue || 746 getPromise([this])) 747 [that._promisePipe](function () { 748 if (data.errorThrown) { 749 return $.Deferred().rejectWith(that, [data]).promise(); 750 } 751 return getPromise(arguments); 752 }) 753 [that._promisePipe](resolveFunc, rejectFunc); 754 } 755 return this._processQueue || getPromise([this]); 756 }; 757 data.submit = function () { 758 if (this.state() !== 'pending') { 759 data.jqXHR = this.jqXHR = 760 that._trigger( 761 'submit', 762 $.Event('submit', { delegatedEvent: e }), 763 this 764 ) !== false && that._onSend(e, this); 765 } 766 return this.jqXHR || that._getXHRPromise(); 767 }; 768 data.abort = function () { 769 if (this.jqXHR) { 770 return this.jqXHR.abort(); 771 } 772 this.errorThrown = 'abort'; 773 that._trigger('fail', null, this); 774 return that._getXHRPromise(false); 775 }; 776 data.state = function () { 777 if (this.jqXHR) { 778 return that._getDeferredState(this.jqXHR); 779 } 780 if (this._processQueue) { 781 return that._getDeferredState(this._processQueue); 782 } 783 }; 784 data.processing = function () { 785 return ( 786 !this.jqXHR && 787 this._processQueue && 788 that._getDeferredState(this._processQueue) === 'pending' 789 ); 790 }; 791 data.progress = function () { 792 return this._progress; 793 }; 794 data.response = function () { 795 return this._response; 796 }; 797 }, 798 799 // Parses the Range header from the server response 800 // and returns the uploaded bytes: 801 _getUploadedBytes: function (jqXHR) { 802 var range = jqXHR.getResponseHeader('Range'), 803 parts = range && range.split('-'), 804 upperBytesPos = parts && parts.length > 1 && parseInt(parts[1], 10); 805 return upperBytesPos && upperBytesPos + 1; 806 }, 807 808 // Uploads a file in multiple, sequential requests 809 // by splitting the file up in multiple blob chunks. 810 // If the second parameter is true, only tests if the file 811 // should be uploaded in chunks, but does not invoke any 812 // upload requests: 813 _chunkedUpload: function (options, testOnly) { 814 options.uploadedBytes = options.uploadedBytes || 0; 815 var that = this, 816 file = options.files[0], 817 fs = file.size, 818 ub = options.uploadedBytes, 819 mcs = options.maxChunkSize || fs, 820 slice = this._blobSlice, 821 dfd = $.Deferred(), 822 promise = dfd.promise(), 823 jqXHR, 824 upload; 825 if ( 826 !( 827 this._isXHRUpload(options) && 828 slice && 829 (ub || ($.type(mcs) === 'function' ? mcs(options) : mcs) < fs) 830 ) || 831 options.data 832 ) { 833 return false; 834 } 835 if (testOnly) { 836 return true; 837 } 838 if (ub >= fs) { 839 file.error = options.i18n('uploadedBytes'); 840 return this._getXHRPromise(false, options.context, [ 841 null, 842 'error', 843 file.error 844 ]); 845 } 846 // The chunk upload method: 847 upload = function () { 848 // Clone the options object for each chunk upload: 849 var o = $.extend({}, options), 850 currentLoaded = o._progress.loaded; 851 o.blob = slice.call( 852 file, 853 ub, 854 ub + ($.type(mcs) === 'function' ? mcs(o) : mcs), 855 file.type 856 ); 857 // Store the current chunk size, as the blob itself 858 // will be dereferenced after data processing: 859 o.chunkSize = o.blob.size; 860 // Expose the chunk bytes position range: 861 o.contentRange = 862 'bytes ' + ub + '-' + (ub + o.chunkSize - 1) + '/' + fs; 863 // Trigger chunkbeforesend to allow form data to be updated for this chunk 864 that._trigger('chunkbeforesend', null, o); 865 // Process the upload data (the blob and potential form data): 866 that._initXHRData(o); 867 // Add progress listeners for this chunk upload: 868 that._initProgressListener(o); 869 jqXHR = (
870 (that._trigger('chunksend', null, o) !== false && $.ajax(o)) || 871 that._getXHRPromise(false, o.context) 872 ) 873 .done(function (result, textStatus, jqXHR) { 874 ub = that._getUploadedBytes(jqXHR) || ub + o.chunkSize; 875 // Create a progress event if no final progress event 876 // with loaded equaling total has been triggered 877 // for this chunk: 878 if (currentLoaded + o.chunkSize - o._progress.loaded) { 879 that._onProgress( 880 $.Event('progress', { 881 lengthComputable: true, 882 loaded: ub - o.uploadedBytes, 883 total: ub - o.uploadedBytes 884 }), 885 o 886 ); 887 } 888 options.uploadedBytes = o.uploadedBytes = ub; 889 o.result = result; 890 o.textStatus = textStatus; 891 o.jqXHR = jqXHR; 892 that._trigger('chunkdone', null, o); 893 that._trigger('chunkalways', null, o); 894 if (ub < fs) { 895 // File upload not yet complete, 896 // continue with the next chunk: 897 upload(); 898 } else { 899 dfd.resolveWith(o.context, [result, textStatus, jqXHR]); 900 } 901 }) 902 .fail(function (jqXHR, textStatus, errorThrown) { 903 o.jqXHR = jqXHR; 904 o.textStatus = textStatus; 905 o.errorThrown = errorThrown; 906 that._trigger('chunkfail', null, o); 907 that._trigger('chunkalways', null, o); 908 dfd.rejectWith(o.context, [jqXHR, textStatus, errorThrown]); 909 }) 910 .always(function () { 911 that._deinitProgressListener(o); 912 }); 913 }; 914 this._enhancePromise(promise); 915 promise.abort = function () { 916 return jqXHR.abort(); 917 }; 918 upload(); 919 return promise; 920 }, 921 922 _beforeSend: function (e, data) { 923 if (this._active === 0) { 924 // the start callback is triggered when an upload starts 925 // and no other uploads are currently running, 926 // equivalent to the global ajaxStart event: 927 this._trigger('start'); 928 // Set timer for global bitrate progress calculation: 929 this._bitrateTimer = new this._BitrateTimer(); 930 // Reset the global progress values: 931 this._progress.loaded = this._progress.total = 0; 932 this._progress.bitrate = 0; 933 } 934 // Make sure the container objects for the .response() and 935 // .progress() methods on the data object are available 936 // and reset to their initial state: 937 this._initResponseObject(data); 938 this._initProgressObject(data); 939 data._progress.loaded = data.loaded = data.uploadedBytes || 0; 940 data._progress.total = data.total = this._getTotal(data.files) || 1; 941 data._progress.bitrate = data.bitrate = 0; 942 this._active += 1; 943 // Initialize the global progress values: 944 this._progress.loaded += data.loaded; 945 this._progress.total += data.total; 946 }, 947 948 _onDone: function (result, textStatus, jqXHR, options) { 949 var total = options._progress.total, 950 response = options._response; 951 if (options._progress.loaded < total) { 952 // Create a progress event if no final progress event 953 // with loaded equaling total has been triggered: 954 this._onProgress( 955 $.Event('progress', { 956 lengthComputable: true, 957 loaded: total, 958 total: total 959 }), 960 options 961 ); 962 } 963 response.result = options.result = result; 964 response.textStatus = options.textStatus = textStatus; 965 response.jqXHR = options.jqXHR = jqXHR; 966 this._trigger('done', null, options); 967 }, 968 969 _onFail: function (jqXHR, textStatus, errorThrown, options) { 970 var response = options._response; 971 if (options.recalculateProgress) { 972 // Remove the failed (error or abort) file upload from 973 // the global progress calculation: 974 this._progress.loaded -= options._progress.loaded; 975 this._progress.total -= options._progress.total; 976 } 977 response.jqXHR = options.jqXHR = jqXHR; 978 response.textStatus = options.textStatus = textStatus; 979 response.errorThrown = options.errorThrown = errorThrown; 980 this._trigger('fail', null, options); 981 }, 982
983 _onAlways: function (jqXHRorResult, textStatus, jqXHRorError, options) { 984 // jqXHRorResult, textStatus and jqXHRorError are added to the 985 // options object via done and fail callbacks 986 this._trigger('always', null, options); 987 }, 988 989 _onSend: function (e, data) { 990 if (!data.submit) { 991 this._addConvenienceMethods(e, data); 992 } 993 var that = this, 994 jqXHR, 995 aborted, 996 slot, 997 pipe, 998 options = that._getAJAXSettings(data), 999 send = function () { 1000 that._sending += 1; 1001 // Set timer for bitrate progress calculation: 1002 options._bitrateTimer = new that._BitrateTimer(); 1003 jqXHR = 1004 jqXHR || 1005 ( 1006 ((aborted || 1007 that._trigger( 1008 'send', 1009 $.Event('send', { delegatedEvent: e }), 1010 options 1011 ) === false) && 1012 that._getXHRPromise(false, options.context, aborted)) || 1013 that._chunkedUpload(options) || 1014 $.ajax(options) 1015 ) 1016 .done(function (result, textStatus, jqXHR) { 1017 that._onDone(result, textStatus, jqXHR, options); 1018 }) 1019 .fail(function (jqXHR, textStatus, errorThrown) { 1020 that._onFail(jqXHR, textStatus, errorThrown, options); 1021 }) 1022 .always(function (jqXHRorResult, textStatus, jqXHRorError) { 1023 that._deinitProgressListener(options); 1024 that._onAlways( 1025 jqXHRorResult, 1026 textStatus, 1027 jqXHRorError, 1028 options 1029 ); 1030 that._sending -= 1; 1031 that._active -= 1; 1032 if ( 1033 options.limitConcurrentUploads && 1034 options.limitConcurrentUploads > that._sending 1035 ) { 1036 // Start the next queued upload, 1037 // that has not been aborted: 1038 var nextSlot = that._slots.shift(); 1039 while (nextSlot) { 1040 if (that._getDeferredState(nextSlot) === 'pending') { 1041 nextSlot.resolve(); 1042 break; 1043 } 1044 nextSlot = that._slots.shift(); 1045 } 1046 } 1047 if (that._active === 0) { 1048 // The stop callback is triggered when all uploads have 1049 // been completed, equivalent to the global ajaxStop event: 1050 that._trigger('stop'); 1051 } 1052 }); 1053 return jqXHR; 1054 }; 1055 this._beforeSend(e, options); 1056 if ( 1057 this.options.sequentialUploads || 1058 (this.options.limitConcurrentUploads && 1059 this.options.limitConcurrentUploads <= this._sending) 1060 ) { 1061 if (this.options.limitConcurrentUploads > 1) { 1062 slot = $.Deferred(); 1063 this._slots.push(slot); 1064 pipe = slot[that._promisePipe](send); 1065 } else { 1066 this._sequence = this._sequence[that._promisePipe](send, send); 1067 pipe = this._sequence; 1068 } 1069 // Return the piped Promise object, enhanced with an abort method, 1070 // which is delegated to the jqXHR object of the current upload, 1071 // and jqXHR callbacks mapped to the equivalent Promise methods: 1072 pipe.abort = function () { 1073 aborted = [undefined, 'abort', 'abort']; 1074 if (!jqXHR) { 1075 if (slot) { 1076 slot.rejectWith(options.context, aborted); 1077 } 1078 return send(); 1079 } 1080 return jqXHR.abort(); 1081 }; 1082 return this._enhancePromise(pipe); 1083 } 1084 return send(); 1085 }, 1086 1087 _onAdd: function (e, data) { 1088 var that = this, 1089 result = true, 1090 options = $.extend({}, this.options, data), 1091 files = data.files, 1092 filesLength = files.length, 1093 limit = options.limitMultiFileUploads, 1094 limitSize = options.limitMultiFileUploadSize, 1095 overhead = options.limitMultiFileUploadSizeOverhead, 1096 batchSize = 0, 1097 paramName = this._getParamName(options), 1098 paramNameSet, 1099 paramNameSlice, 1100 fileSet, 1101 i, 1102 j = 0; 1103 if (!filesLength) { 1104 return false;
1105 } 1106 if (limitSize && files[0].size === undefined) { 1107 limitSize = undefined; 1108 } 1109 if ( 1110 !(options.singleFileUploads || limit || limitSize) || 1111 !this._isXHRUpload(options) 1112 ) { 1113 fileSet = [files]; 1114 paramNameSet = [paramName]; 1115 } else if (!(options.singleFileUploads || limitSize) && limit) { 1116 fileSet = []; 1117 paramNameSet = []; 1118 for (i = 0; i < filesLength; i += limit) { 1119 fileSet.push(files.slice(i, i + limit)); 1120 paramNameSlice = paramName.slice(i, i + limit); 1121 if (!paramNameSlice.length) { 1122 paramNameSlice = paramName; 1123 } 1124 paramNameSet.push(paramNameSlice); 1125 } 1126 } else if (!options.singleFileUploads && limitSize) { 1127 fileSet = []; 1128 paramNameSet = []; 1129 for (i = 0; i < filesLength; i = i + 1) { 1130 batchSize += files[i].size + overhead; 1131 if ( 1132 i + 1 === filesLength || 1133 batchSize + files[i + 1].size + overhead > limitSize || 1134 (limit && i + 1 - j >= limit) 1135 ) { 1136 fileSet.push(files.slice(j, i + 1)); 1137 paramNameSlice = paramName.slice(j, i + 1); 1138 if (!paramNameSlice.length) { 1139 paramNameSlice = paramName; 1140 } 1141 paramNameSet.push(paramNameSlice); 1142 j = i + 1; 1143 batchSize = 0; 1144 } 1145 } 1146 } else { 1147 paramNameSet = paramName; 1148 } 1149 data.originalFiles = files; 1150 $.each(fileSet || files, function (index, element) { 1151 var newData = $.extend({}, data); 1152 newData.files = fileSet ? element : [element]; 1153 newData.paramName = paramNameSet[index]; 1154 that._initResponseObject(newData); 1155 that._initProgressObject(newData); 1156 that._addConvenienceMethods(e, newData); 1157 result = that._trigger( 1158 'add', 1159 $.Event('add', { delegatedEvent: e }), 1160 newData 1161 ); 1162 return result; 1163 }); 1164 return result; 1165 }, 1166 1167 _replaceFileInput: function (data) { 1168 var input = data.fileInput, 1169 inputClone = input.clone(true), 1170 restoreFocus = input.is(document.activeElement); 1171 // Add a reference for the new cloned file input to the data argument: 1172 data.fileInputClone = inputClone; 1173 $('<form></form>').append(inputClone)[0].reset(); 1174 // Detaching allows to insert the fileInput on another form 1175 // without loosing the file input value: 1176 input.after(inputClone).detach(); 1177 // If the fileInput had focus before it was detached, 1178 // restore focus to the inputClone. 1179 if (restoreFocus) { 1180 inputClone.trigger('focus'); 1181 } 1182 // Avoid memory leaks with the detached file input: 1183 $.cleanData(input.off('remove')); 1184 // Replace the original file input element in the fileInput 1185 // elements set with the clone, which has been copied including 1186 // event handlers: 1187 this.options.fileInput = this.options.fileInput.map(function (i, el) { 1188 if (el === input[0]) { 1189 return inputClone[0]; 1190 } 1191 return el; 1192 }); 1193 // If the widget has been initialized on the file input itself, 1194 // override this.element with the file input clone: 1195 if (input[0] === this.element[0]) { 1196 this.element = inputClone; 1197 } 1198 }, 1199 1200 _handleFileTreeEntry: function (entry, path) { 1201 var that = this, 1202 dfd = $.Deferred(), 1203 entries = [], 1204 dirReader, 1205 errorHandler = function (e) { 1206 if (e && !e.entry) { 1207 e.entry = entry; 1208 } 1209 // Since $.when returns immediately if one 1210 // Deferred is rejected, we use resolve instead. 1211 // This allows valid files and invalid items 1212 // to be returned together in one set: 1213 dfd.resolve([e]); 1214 }, 1215 successHandler = function (entries) { 1216 that 1217 ._handleFileTreeEntries(entries, path + entry.name + '/') 1218 .done(function (files) { 1219 dfd.resolve(files); 1220 }) 1221 .fail(errorHandler); 1222 }, 1223 readEntries = function () { 1224 dirReader.readEntries(function (results) { 1225 if (!results.length) { 1226 successHandler(entries); 1227 } else {
1228 entries = entries.concat(results); 1229 readEntries(); 1230 } 1231 }, errorHandler); 1232 }; 1233 // eslint-disable-next-line no-param-reassign 1234 path = path || ''; 1235 if (entry.isFile) { 1236 if (entry._file) { 1237 // Workaround for Chrome bug #149735 1238 entry._file.relativePath = path; 1239 dfd.resolve(entry._file); 1240 } else { 1241 entry.file(function (file) { 1242 file.relativePath = path; 1243 dfd.resolve(file); 1244 }, errorHandler); 1245 } 1246 } else if (entry.isDirectory) { 1247 dirReader = entry.createReader(); 1248 readEntries(); 1249 } else { 1250 // Return an empty list for file system items 1251 // other than files or directories: 1252 dfd.resolve([]); 1253 } 1254 return dfd.promise(); 1255 }, 1256 1257 _handleFileTreeEntries: function (entries, path) { 1258 var that = this; 1259 return $.when 1260 .apply( 1261 $, 1262 $.map(entries, function (entry) { 1263 return that._handleFileTreeEntry(entry, path); 1264 }) 1265 ) 1266 [this._promisePipe](function () { 1267 return Array.prototype.concat.apply([], arguments); 1268 }); 1269 }, 1270 1271 _getDroppedFiles: function (dataTransfer) { 1272 // eslint-disable-next-line no-param-reassign 1273 dataTransfer = dataTransfer || {}; 1274 var items = dataTransfer.items; 1275 if ( 1276 items && 1277 items.length && 1278 (items[0].webkitGetAsEntry || items[0].getAsEntry) 1279 ) { 1280 return this._handleFileTreeEntries( 1281 $.map(items, function (item) { 1282 var entry; 1283 if (item.webkitGetAsEntry) { 1284 entry = item.webkitGetAsEntry(); 1285 if (entry) { 1286 // Workaround for Chrome bug #149735: 1287 entry._file = item.getAsFile(); 1288 } 1289 return entry; 1290 } 1291 return item.getAsEntry(); 1292 }) 1293 ); 1294 } 1295 return $.Deferred().resolve($.makeArray(dataTransfer.files)).promise(); 1296 }, 1297 1298 _getSingleFileInputFiles: function (fileInput) { 1299 // eslint-disable-next-line no-param-reassign 1300 fileInput = $(fileInput); 1301 var entries = 1302 fileInput.prop('webkitEntries') || fileInput.prop('entries'), 1303 files, 1304 value; 1305 if (entries && entries.length) { 1306 return this._handleFileTreeEntries(entries); 1307 } 1308 files = $.makeArray(fileInput.prop('files')); 1309 if (!files.length) { 1310 value = fileInput.prop('value'); 1311 if (!value) { 1312 return $.Deferred().resolve([]).promise(); 1313 } 1314 // If the files property is not available, the browser does not 1315 // support the File API and we add a pseudo File object with 1316 // the input value as name with path information removed: 1317 files = [{ name: value.replace(/^.*\\/, '') }]; 1318 } else if (files[0].name === undefined && files[0].fileName) { 1319 // File normalization for Safari 4 and Firefox 3: 1320 $.each(files, function (index, file) { 1321 file.name = file.fileName; 1322 file.size = file.fileSize; 1323 }); 1324 } 1325 return $.Deferred().resolve(files).promise(); 1326 }, 1327 1328 _getFileInputFiles: function (fileInput) { 1329 if (!(fileInput instanceof $) || fileInput.length === 1) { 1330 return this._getSingleFileInputFiles(fileInput); 1331 } 1332 return $.when 1333 .apply($, $.map(fileInput, this._getSingleFileInputFiles)) 1334 [this._promisePipe](function () { 1335 return Array.prototype.concat.apply([], arguments); 1336 }); 1337 }, 1338 1339 _onChange: function (e) { 1340 var that = this, 1341 data = { 1342 fileInput: $(e.target), 1343 form: $(e.target.form) 1344 }; 1345 this._getFileInputFiles(data.fileInput).always(function (files) { 1346 data.files = files; 1347 if (that.options.replaceFileInput) { 1348 that._replaceFileInput(data); 1349 } 1350 if ( 1351 that._trigger( 1352 'change', 1353 $.Event('change', { delegatedEvent: e }), 1354 data 1355 ) !== false 1356 ) { 1357 that._onAdd(e, data); 1358 } 1359 }); 1360 }, 1361 1362 _onPaste: function (e) { 1363 var items = 1364 e.originalEvent && 1365 e.originalEvent.clipboardData && 1366 e.originalEvent.clipboardData.items, 1367 data = { files: [] }; 1368 if (items && items.length) { 1369 $.each(items, function (index, item) { 1370 var file = item.getAsFile && item.getAsFile(); 1371 if (file) { 1372 data.files.push(file); 1373 } 1374 }); 1375 if ( 1376 this._trigger( 1377 'paste', 1378 $.Event('paste', { delegatedEvent: e }), 1379 data 1380 ) !== false 1381 ) { 1382 this._onAdd(e, data); 1383 } 1384 } 1385 }, 1386 1387 _onDrop: function (e) { 1388 e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer; 1389 var that = this, 1390 dataTransfer = e.dataTransfer, 1391 data = {}; 1392 if (dataTransfer && dataTransfer.files && dataTransfer.files.length) { 1393 e.preventDefault(); 1394 this._getDroppedFiles(dataTransfer).always(function (files) { 1395 data.files = files; 1396 if ( 1397 that._trigger( 1398 'drop', 1399 $.Event('drop', { delegatedEvent: e }), 1400 data 1401 ) !== false 1402 ) { 1403 that._onAdd(e, data); 1404 } 1405 }); 1406 } 1407 }, 1408 1409 _onDragOver: getDragHandler('dragover'), 1410 1411 _onDragEnter: getDragHandler('dragenter'), 1412 1413 _onDragLeave: getDragHandler('dragleave'), 1414 1415 _initEventHandlers: function () { 1416 if (this._isXHRUpload(this.options)) { 1417 this._on(this.options.dropZone, { 1418 dragover: this._onDragOver, 1419 drop: this._onDrop, 1420 // event.preventDefault() on dragenter is required for IE10+: 1421 dragenter: this._onDragEnter,
1422 // dragleave is not required, but added for completeness: 1423 dragleave: this._onDragLeave 1424 }); 1425 this._on(this.options.pasteZone, { 1426 paste: this._onPaste 1427 }); 1428 } 1429 if ($.support.fileInput) { 1430 this._on(this.options.fileInput, { 1431 change: this._onChange 1432 }); 1433 } 1434 }, 1435 1436 _destroyEventHandlers: function () { 1437 this._off(this.options.dropZone, 'dragenter dragleave dragover drop'); 1438 this._off(this.options.pasteZone, 'paste'); 1439 this._off(this.options.fileInput, 'change'); 1440 }, 1441 1442 _destroy: function () { 1443 this._destroyEventHandlers(); 1444 }, 1445 1446 _setOption: function (key, value) { 1447 var reinit = $.inArray(key, this._specialOptions) !== -1; 1448 if (reinit) { 1449 this._destroyEventHandlers(); 1450 } 1451 this._super(key, value); 1452 if (reinit) { 1453 this._initSpecialOptions(); 1454 this._initEventHandlers(); 1455 } 1456 }, 1457 1458 _initSpecialOptions: function () { 1459 var options = this.options; 1460 if (options.fileInput === undefined) { 1461 options.fileInput = this.element.is('input[type="file"]') 1462 ? this.element 1463 : this.element.find('input[type="file"]'); 1464 } else if (!(options.fileInput instanceof $)) { 1465 options.fileInput = $(options.fileInput); 1466 } 1467 if (!(options.dropZone instanceof $)) { 1468 options.dropZone = $(options.dropZone); 1469 } 1470 if (!(options.pasteZone instanceof $)) { 1471 options.pasteZone = $(options.pasteZone); 1472 } 1473 }, 1474 1475 _getRegExp: function (str) { 1476 var parts = str.split('/'), 1477 modifiers = parts.pop(); 1478 parts.shift(); 1479 return new RegExp(parts.join('/'), modifiers); 1480 }, 1481 1482 _isRegExpOption: function (key, value) { 1483 return ( 1484 key !== 'url' && 1485 $.type(value) === 'string' && 1486 /^\/.*\/[igm]{0,3}$/.test(value) 1487 ); 1488 }, 1489 1490 _initDataAttributes: function () { 1491 var that = this, 1492 options = this.options, 1493 data = this.element.data(); 1494 // Initialize options set via HTML5 data-attributes: 1495 $.each(this.element[0].attributes, function (index, attr) { 1496 var key = attr.name.toLowerCase(), 1497 value; 1498 if (/^data-/.test(key)) { 1499 // Convert hyphen-ated key to camelCase: 1500 key = key.slice(5).replace(/-[a-z]/g, function (str) { 1501 return str.charAt(1).toUpperCase(); 1502 }); 1503 value = data[key]; 1504 if (that._isRegExpOption(key, value)) { 1505 value = that._getRegExp(value); 1506 } 1507 options[key] = value; 1508 } 1509 }); 1510 }, 1511 1512 _create: function () { 1513 this._initDataAttributes(); 1514 this._initSpecialOptions(); 1515 this._slots = []; 1516 this._sequence = this._getXHRPromise(true); 1517 this._sending = this._active = 0; 1518 this._initProgressObject(this); 1519 this._initEventHandlers(); 1520 }, 1521 1522 // This method is exposed to the widget API and allows to query 1523 // the number of active uploads: 1524 active: function () { 1525 return this._active; 1526 }, 1527 1528 // This method is exposed to the widget API and allows to query 1529 // the widget upload progress. 1530 // It returns an object with loaded, total and bitrate properties 1531 // for the running uploads: 1532 progress: function () { 1533 return this._progress; 1534 }, 1535 1536 // This method is exposed to the widget API and allows adding files 1537 // using the fileupload API. The data parameter accepts an object which 1538 // must have a files property and can contain additional options: 1539 // .fileupload('add', {files: filesList}); 1540 add: function (data) { 1541 var that = this; 1542 if (!data || this.options.disabled) { 1543 return; 1544 } 1545 if (data.fileInput && !data.files) { 1546 this._getFileInputFiles(data.fileInput).always(function (files) { 1547 data.files = files; 1548 that._onAdd(null, data); 1549 }); 1550 } else { 1551 data.files = $.makeArray(data.files); 1552 this._onAdd(null, data); 1553 } 1554 }, 1555 1556 // This method is exposed to the widget API and allows sending files 1557 // using the fileupload API. The data parameter accepts an object which 1558 // must have a files or fileInput property and can contain additional options: 1559 // .fileupload('send', {files: filesList}); 1560 // The method returns a Promise object for the file upload call. 1561 send: function (data) { 1562 if (data && !this.options.disabled) { 1563 if (data.fileInput && !data.files) { 1564 var that = this, 1565 dfd = $.Deferred(), 1566 promise = dfd.promise(), 1567 jqXHR, 1568 aborted; 1569 promise.abort = function () { 1570 aborted = true; 1571 if (jqXHR) { 1572 return jqXHR.abort(); 1573 } 1574 dfd.reject(null, 'abort', 'abort'); 1575 return promise; 1576 }; 1577 this._getFileInputFiles(data.fileInput).always(function (files) { 1578 if (aborted) { 1579 return; 1580 } 1581 if (!files.length) { 1582 dfd.reject(); 1583 return; 1584 } 1585 data.files = files; 1586 jqXHR = that._onSend(null, data); 1587 jqXHR.then( 1588 function (result, textStatus, jqXHR) { 1589 dfd.resolve(result, textStatus, jqXHR); 1590 }, 1591 function (jqXHR, textStatus, errorThrown) { 1592 dfd.reject(jqXHR, textStatus, errorThrown); 1593 } 1594 ); 1595 }); 1596 return this._enhancePromise(promise); 1597 } 1598 data.files = $.makeArray(data.files); 1599 if (data.files.length) { 1600 return this._onSend(null, data); 1601 } 1602 } 1603 return this._getXHRPromise(false, data && data.context); 1604 } 1605 }); 1606});
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.