| 提交 | 用户 | 时间 | ||
| 58d006 | 1 | /* |
| A | 2 | * jQuery File Upload Plugin 5.32.3 |
| 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 | * http://www.opensource.org/licenses/MIT | |
| 10 | */ | |
| 11 | ||
| 12 | /*jslint nomen: true, unparam: true, regexp: true */ | |
| 13 | /*global define, window, document, location, File, 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.widget' | |
| 22 | ], factory); | |
| 23 | } else { | |
| 24 | // Browser globals: | |
| 25 | factory(window.jQuery); | |
| 26 | } | |
| 27 | }(function ($) { | |
| 28 | 'use strict'; | |
| 29 | ||
| 30 | // Detect file input support, based on | |
| 31 | // http://viljamis.com/blog/2012/file-upload-support-on-mobile/ | |
| 32 | $.support.fileInput = !(new RegExp( | |
| 33 | // Handle devices which give false positives for the feature detection: | |
| 34 | '(Android (1\\.[0156]|2\\.[01]))' + | |
| 35 | '|(Windows Phone (OS 7|8\\.0))|(XBLWP)|(ZuneWP)|(WPDesktop)' + | |
| 36 | '|(w(eb)?OSBrowser)|(webOS)' + | |
| 37 | '|(Kindle/(1\\.0|2\\.[05]|3\\.0))' | |
| 38 | ).test(window.navigator.userAgent) || | |
| 39 | // Feature detection for all other devices: | |
| 40 | $('<input type="file">').prop('disabled')); | |
| 41 | ||
| 42 | // The FileReader API is not actually used, but works as feature detection, | |
| 43 | // as e.g. Safari supports XHR file uploads via the FormData API, | |
| 44 | // but not non-multipart XHR file uploads: | |
| 45 | $.support.xhrFileUpload = !!(window.XMLHttpRequestUpload && window.FileReader); | |
| 46 | $.support.xhrFormDataFileUpload = !!window.FormData; | |
| 47 | ||
| 48 | // Detect support for Blob slicing (required for chunked uploads): | |
| 49 | $.support.blobSlice = window.Blob && (Blob.prototype.slice || | |
| 50 | Blob.prototype.webkitSlice || Blob.prototype.mozSlice); | |
| 51 | ||
| 52 | // The fileupload widget listens for change events on file input fields defined | |
| 53 | // via fileInput setting and paste or drop events of the given dropZone. | |
| 54 | // In addition to the default jQuery Widget methods, the fileupload widget | |
| 55 | // exposes the "add" and "send" methods, to add or directly send files using | |
| 56 | // the fileupload API. | |
| 57 | // By default, files added via file input selection, paste, drag & drop or | |
| 58 | // "add" method are uploaded immediately, but it is possible to override | |
| 59 | // the "add" callback option to queue file uploads. | |
| 60 | $.widget('blueimp.fileupload', { | |
| 61 | ||
| 62 | options: { | |
| 63 | // The drop target element(s), by the default the complete document. | |
| 64 | // Set to null to disable drag & drop support: | |
| 65 | dropZone: $(document), | |
| 66 | // The paste target element(s), by the default the complete document. | |
| 67 | // Set to null to disable paste support: | |
| 68 | pasteZone: $(document), | |
| 69 | // The file input field(s), that are listened to for change events. | |
| 70 | // If undefined, it is set to the file input fields inside | |
| 71 | // of the widget element on plugin initialization. | |
| 72 | // Set to null to disable the change listener. | |
| 73 | fileInput: undefined, | |
| 74 | // By default, the file input field is replaced with a clone after | |
| 75 | // each input field change event. This is required for iframe transport | |
| 76 | // queues and allows change events to be fired for the same file | |
| 77 | // selection, but can be disabled by setting the following option to false: | |
| 78 | replaceFileInput: true, | |
| 79 | // The parameter name for the file form data (the request argument name). | |
| 80 | // If undefined or empty, the name property of the file input field is | |
| 81 | // used, or "files[]" if the file input name property is also empty, | |
| 82 | // can be a string or an array of strings: | |
| 83 | paramName: undefined, | |
| 84 | // By default, each file of a selection is uploaded using an individual | |
| 85 | // request for XHR type uploads. Set to false to upload file | |
| 86 | // selections in one request each: | |
| 87 | singleFileUploads: true, | |
| 88 | // To limit the number of files uploaded with one XHR request, | |
| 89 | // set the following option to an integer greater than 0: | |
| 90 | limitMultiFileUploads: undefined, | |
| 91 | // Set the following option to true to issue all file upload requests | |
| 92 | // in a sequential order: | |
| 93 | sequentialUploads: false, | |
| 94 | // To limit the number of concurrent uploads, | |
| 95 | // set the following option to an integer greater than 0: | |
| 96 | limitConcurrentUploads: undefined, | |
| 97 | // Set the following option to true to force iframe transport uploads: | |
| 98 | forceIframeTransport: false, | |
| 99 | // Set the following option to the location of a redirect url on the | |
| 100 | // origin server, for cross-domain iframe transport uploads: | |
| 101 | redirect: undefined, | |
| 102 | // The parameter name for the redirect url, sent as part of the form | |
| 103 | // data and set to 'redirect' if this option is empty: | |
| 104 | redirectParamName: undefined, | |
| 105 | // Set the following option to the location of a postMessage window, | |
| 106 | // to enable postMessage transport uploads: | |
| 107 | postMessage: undefined, | |
| 108 | // By default, XHR file uploads are sent as multipart/form-data. | |
| 109 | // The iframe transport is always using multipart/form-data. | |
| 110 | // Set to false to enable non-multipart XHR uploads: | |
| 111 | multipart: true, | |
| 112 | // To upload large files in smaller chunks, set the following option | |
| 113 | // to a preferred maximum chunk size. If set to 0, null or undefined, | |
| 114 | // or the browser does not support the required Blob API, files will | |
| 115 | // be uploaded as a whole. | |
| 116 | maxChunkSize: undefined, | |
| 117 | // When a non-multipart upload or a chunked multipart upload has been | |
| 118 | // aborted, this option can be used to resume the upload by setting | |
| 119 | // it to the size of the already uploaded bytes. This option is most | |
| 120 | // useful when modifying the options object inside of the "add" or | |
| 121 | // "send" callbacks, as the options are cloned for each file upload. | |
| 122 | uploadedBytes: undefined, | |
| 123 | // By default, failed (abort or error) file uploads are removed from the | |
| 124 | // global progress calculation. Set the following option to false to | |
| 125 | // prevent recalculating the global progress data: | |
| 126 | recalculateProgress: true, | |
| 127 | // Interval in milliseconds to calculate and trigger progress events: | |
| 128 | progressInterval: 100, | |
| 129 | // Interval in milliseconds to calculate progress bitrate: | |
| 130 | bitrateInterval: 500, | |
| 131 | // By default, uploads are started automatically when adding files: | |
| 132 | autoUpload: true, | |
| 133 | ||
| 134 | // Error and info messages: | |
| 135 | messages: { | |
| 136 | uploadedBytes: 'Uploaded bytes exceed file size' | |
| 137 | }, | |
| 138 | ||
| 139 | // Translation function, gets the message key to be translated | |
| 140 | // and an object with context specific data as arguments: | |
| 141 | i18n: function (message, context) { | |
| 142 | message = this.messages[message] || message.toString(); | |
| 143 | if (context) { | |
| 144 | $.each(context, function (key, value) { | |
| 145 | message = message.replace('{' + key + '}', value); | |
| 146 | }); | |
| 147 | } | |
| 148 | return message; | |
| 149 | }, | |
| 150 | ||
| 151 | // Additional form data to be sent along with the file uploads can be set | |
| 152 | // using this option, which accepts an array of objects with name and | |
| 153 | // value properties, a function returning such an array, a FormData | |
| 154 | // object (for XHR file uploads), or a simple object. | |
| 155 | // The form of the first fileInput is given as parameter to the function: | |
| 156 | formData: function (form) { | |
| 157 | return form.serializeArray(); | |
| 158 | }, | |
| 159 | ||
| 160 | // The add callback is invoked as soon as files are added to the fileupload | |
| 161 | // widget (via file input selection, drag & drop, paste or add API call). | |
| 162 | // If the singleFileUploads option is enabled, this callback will be | |
| 163 | // called once for each file in the selection for XHR file uploads, else | |
| 164 | // once for each file selection. | |
| 165 | // | |
| 166 | // The upload starts when the submit method is invoked on the data parameter. | |
| 167 | // The data object contains a files property holding the added files | |
| 168 | // and allows you to override plugin options as well as define ajax settings. | |
| 169 | // | |
| 170 | // Listeners for this callback can also be bound the following way: | |
| 171 | // .bind('fileuploadadd', func); | |
| 172 | // | |
| 173 | // data.submit() returns a Promise object and allows to attach additional | |
| 174 | // handlers using jQuery's Deferred callbacks: | |
| 175 | // data.submit().done(func).fail(func).always(func); | |
| 176 | add: function (e, data) { | |
| 177 | if (data.autoUpload || (data.autoUpload !== false && | |
| 178 | $(this).fileupload('option', 'autoUpload'))) { | |
| 179 | data.process().done(function () { | |
| 180 | data.submit(); | |
| 181 | }); | |
| 182 | } | |
| 183 | }, | |
| 184 | ||
| 185 | // Other callbacks: | |
| 186 | ||
| 187 | // Callback for the submit event of each file upload: | |
| 188 | // submit: function (e, data) {}, // .bind('fileuploadsubmit', func); | |
| 189 | ||
| 190 | // Callback for the start of each file upload request: | |
| 191 | // send: function (e, data) {}, // .bind('fileuploadsend', func); | |
| 192 | ||
| 193 | // Callback for successful uploads: | |
| 194 | // done: function (e, data) {}, // .bind('fileuploaddone', func); | |
| 195 | ||
| 196 | // Callback for failed (abort or error) uploads: | |
| 197 | // fail: function (e, data) {}, // .bind('fileuploadfail', func); | |
| 198 | ||
| 199 | // Callback for completed (success, abort or error) requests: | |
| 200 | // always: function (e, data) {}, // .bind('fileuploadalways', func); | |
| 201 | ||
| 202 | // Callback for upload progress events: | |
| 203 | // progress: function (e, data) {}, // .bind('fileuploadprogress', func); | |
| 204 | ||
| 205 | // Callback for global upload progress events: | |
| 206 | // progressall: function (e, data) {}, // .bind('fileuploadprogressall', func); | |
| 207 | ||
| 208 | // Callback for uploads start, equivalent to the global ajaxStart event: | |
| 209 | // start: function (e) {}, // .bind('fileuploadstart', func); | |
| 210 | ||
| 211 | // Callback for uploads stop, equivalent to the global ajaxStop event: | |
| 212 | // stop: function (e) {}, // .bind('fileuploadstop', func); | |
| 213 | ||
| 214 | // Callback for change events of the fileInput(s): | |
| 215 | // change: function (e, data) {}, // .bind('fileuploadchange', func); | |
| 216 | ||
| 217 | // Callback for paste events to the pasteZone(s): | |
| 218 | // paste: function (e, data) {}, // .bind('fileuploadpaste', func); | |
| 219 | ||
| 220 | // Callback for drop events of the dropZone(s): | |
| 221 | // drop: function (e, data) {}, // .bind('fileuploaddrop', func); | |
| 222 | ||
| 223 | // Callback for dragover events of the dropZone(s): | |
| 224 | // dragover: function (e) {}, // .bind('fileuploaddragover', func); | |
| 225 | ||
| 226 | // Callback for the start of each chunk upload request: | |
| 227 | // chunksend: function (e, data) {}, // .bind('fileuploadchunksend', func); | |
| 228 | ||
| 229 | // Callback for successful chunk uploads: | |
| 230 | // chunkdone: function (e, data) {}, // .bind('fileuploadchunkdone', func); | |
| 231 | ||
| 232 | // Callback for failed (abort or error) chunk uploads: | |
| 233 | // chunkfail: function (e, data) {}, // .bind('fileuploadchunkfail', func); | |
| 234 | ||
| 235 | // Callback for completed (success, abort or error) chunk upload requests: | |
| 236 | // chunkalways: function (e, data) {}, // .bind('fileuploadchunkalways', func); | |
| 237 | ||
| 238 | // The plugin options are used as settings object for the ajax calls. | |
| 239 | // The following are jQuery ajax settings required for the file uploads: | |
| 240 | processData: false, | |
| 241 | contentType: false, | |
| 242 | cache: false | |
| 243 | }, | |
| 244 | ||
| 245 | // A list of options that require reinitializing event listeners and/or | |
| 246 | // special initialization code: | |
| 247 | _specialOptions: [ | |
| 248 | 'fileInput', | |
| 249 | 'dropZone', | |
| 250 | 'pasteZone', | |
| 251 | 'multipart', | |
| 252 | 'forceIframeTransport' | |
| 253 | ], | |
| 254 | ||
| 255 | _blobSlice: $.support.blobSlice && function () { | |
| 256 | var slice = this.slice || this.webkitSlice || this.mozSlice; | |
| 257 | return slice.apply(this, arguments); | |
| 258 | }, | |
| 259 | ||
| 260 | _BitrateTimer: function () { | |
| 261 | this.timestamp = ((Date.now) ? Date.now() : (new Date()).getTime()); | |
| 262 | this.loaded = 0; | |
| 263 | this.bitrate = 0; | |
| 264 | this.getBitrate = function (now, loaded, interval) { | |
| 265 | var timeDiff = now - this.timestamp; | |
| 266 | if (!this.bitrate || !interval || timeDiff > interval) { | |
| 267 | this.bitrate = (loaded - this.loaded) * (1000 / timeDiff) * 8; | |
| 268 | this.loaded = loaded; | |
| 269 | this.timestamp = now; | |
| 270 | } | |
| 271 | return this.bitrate; | |
| 272 | }; | |
| 273 | }, | |
| 274 | ||
| 275 | _isXHRUpload: function (options) { | |
| 276 | return !options.forceIframeTransport && | |
| 277 | ((!options.multipart && $.support.xhrFileUpload) || | |
| 278 | $.support.xhrFormDataFileUpload); | |
| 279 | }, | |
| 280 | ||
| 281 | _getFormData: function (options) { | |
| 282 | var formData; | |
| 283 | if (typeof options.formData === 'function') { | |
| 284 | return options.formData(options.form); | |
| 285 | } | |
| 286 | if ($.isArray(options.formData)) { | |
| 287 | return options.formData; | |
| 288 | } | |
| 289 | if ($.type(options.formData) === 'object') { | |
| 290 | formData = []; | |
| 291 | $.each(options.formData, function (name, value) { | |
| 292 | formData.push({name: name, value: value}); | |
| 293 | }); | |
| 294 | return formData; | |
| 295 | } | |
| 296 | return []; | |
| 297 | }, | |
| 298 | ||
| 299 | _getTotal: function (files) { | |
| 300 | var total = 0; | |
| 301 | $.each(files, function (index, file) { | |
| 302 | total += file.size || 1; | |
| 303 | }); | |
| 304 | return total; | |
| 305 | }, | |
| 306 | ||
| 307 | _initProgressObject: function (obj) { | |
| 308 | var progress = { | |
| 309 | loaded: 0, | |
| 310 | total: 0, | |
| 311 | bitrate: 0 | |
| 312 | }; | |
| 313 | if (obj._progress) { | |
| 314 | $.extend(obj._progress, progress); | |
| 315 | } else { | |
| 316 | obj._progress = progress; | |
| 317 | } | |
| 318 | }, | |
| 319 | ||
| 320 | _initResponseObject: function (obj) { | |
| 321 | var prop; | |
| 322 | if (obj._response) { | |
| 323 | for (prop in obj._response) { | |
| 324 | if (obj._response.hasOwnProperty(prop)) { | |
| 325 | delete obj._response[prop]; | |
| 326 | } | |
| 327 | } | |
| 328 | } else { | |
| 329 | obj._response = {}; | |
| 330 | } | |
| 331 | }, | |
| 332 | ||
| 333 | _onProgress: function (e, data) { | |
| 334 | if (e.lengthComputable) { | |
| 335 | var now = ((Date.now) ? Date.now() : (new Date()).getTime()), | |
| 336 | loaded; | |
| 337 | if (data._time && data.progressInterval && | |
| 338 | (now - data._time < data.progressInterval) && | |
| 339 | e.loaded !== e.total) { | |
| 340 | return; | |
| 341 | } | |
| 342 | data._time = now; | |
| 343 | loaded = Math.floor( | |
| 344 | e.loaded / e.total * (data.chunkSize || data._progress.total) | |
| 345 | ) + (data.uploadedBytes || 0); | |
| 346 | // Add the difference from the previously loaded state | |
| 347 | // to the global loaded counter: | |
| 348 | this._progress.loaded += (loaded - data._progress.loaded); | |
| 349 | this._progress.bitrate = this._bitrateTimer.getBitrate( | |
| 350 | now, | |
| 351 | this._progress.loaded, | |
| 352 | data.bitrateInterval | |
| 353 | ); | |
| 354 | data._progress.loaded = data.loaded = loaded; | |
| 355 | data._progress.bitrate = data.bitrate = data._bitrateTimer.getBitrate( | |
| 356 | now, | |
| 357 | loaded, | |
| 358 | data.bitrateInterval | |
| 359 | ); | |
| 360 | // Trigger a custom progress event with a total data property set | |
| 361 | // to the file size(s) of the current upload and a loaded data | |
| 362 | // property calculated accordingly: | |
| 363 | this._trigger('progress', e, data); | |
| 364 | // Trigger a global progress event for all current file uploads, | |
| 365 | // including ajax calls queued for sequential file uploads: | |
| 366 | this._trigger('progressall', e, this._progress); | |
| 367 | } | |
| 368 | }, | |
| 369 | ||
| 370 | _initProgressListener: function (options) { | |
| 371 | var that = this, | |
| 372 | xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr(); | |
| 373 | // Accesss to the native XHR object is required to add event listeners | |
| 374 | // for the upload progress event: | |
| 375 | if (xhr.upload) { | |
| 376 | $(xhr.upload).bind('progress', function (e) { | |
| 377 | var oe = e.originalEvent; | |
| 378 | // Make sure the progress event properties get copied over: | |
| 379 | e.lengthComputable = oe.lengthComputable; | |
| 380 | e.loaded = oe.loaded; | |
| 381 | e.total = oe.total; | |
| 382 | that._onProgress(e, options); | |
| 383 | }); | |
| 384 | options.xhr = function () { | |
| 385 | return xhr; | |
| 386 | }; | |
| 387 | } | |
| 388 | }, | |
| 389 | ||
| 390 | _isInstanceOf: function (type, obj) { | |
| 391 | // Cross-frame instanceof check | |
| 392 | return Object.prototype.toString.call(obj) === '[object ' + type + ']'; | |
| 393 | }, | |
| 394 | ||
| 395 | _initXHRData: function (options) { | |
| 396 | var that = this, | |
| 397 | formData, | |
| 398 | file = options.files[0], | |
| 399 | // Ignore non-multipart setting if not supported: | |
| 400 | multipart = options.multipart || !$.support.xhrFileUpload, | |
| 401 | paramName = options.paramName[0]; | |
| 402 | options.headers = $.extend({}, options.headers); | |
| 403 | if (options.contentRange) { | |
| 404 | options.headers['Content-Range'] = options.contentRange; | |
| 405 | } | |
| 406 | if (!multipart || options.blob || !this._isInstanceOf('File', file)) { | |
| 407 | options.headers['Content-Disposition'] = 'attachment; filename="' + | |
| 408 | encodeURI(file.name) + '"'; | |
| 409 | } | |
| 410 | if (!multipart) { | |
| 411 | options.contentType = file.type; | |
| 412 | options.data = options.blob || file; | |
| 413 | } else if ($.support.xhrFormDataFileUpload) { | |
| 414 | if (options.postMessage) { | |
| 415 | // window.postMessage does not allow sending FormData | |
| 416 | // objects, so we just add the File/Blob objects to | |
| 417 | // the formData array and let the postMessage window | |
| 418 | // create the FormData object out of this array: | |
| 419 | formData = this._getFormData(options); | |
| 420 | if (options.blob) { | |
| 421 | formData.push({ | |
| 422 | name: paramName, | |
| 423 | value: options.blob | |
| 424 | }); | |
| 425 | } else { | |
| 426 | $.each(options.files, function (index, file) { | |
| 427 | formData.push({ | |
| 428 | name: options.paramName[index] || paramName, | |
| 429 | value: file | |
| 430 | }); | |
| 431 | }); | |
| 432 | } | |
| 433 | } else { | |
| 434 | if (that._isInstanceOf('FormData', options.formData)) { | |
| 435 | formData = options.formData; | |
| 436 | } else { | |
| 437 | formData = new FormData(); | |
| 438 | $.each(this._getFormData(options), function (index, field) { | |
| 439 | formData.append(field.name, field.value); | |
| 440 | }); | |
| 441 | } | |
| 442 | if (options.blob) { | |
| 443 | formData.append(paramName, options.blob, file.name); | |
| 444 | } else { | |
| 445 | $.each(options.files, function (index, file) { | |
| 446 | // This check allows the tests to run with | |
| 447 | // dummy objects: | |
| 448 | if (that._isInstanceOf('File', file) || | |
| 449 | that._isInstanceOf('Blob', file)) { | |
| 450 | formData.append( | |
| 451 | options.paramName[index] || paramName, | |
| 452 | file, | |
| 453 | file.name | |
| 454 | ); | |
| 455 | } | |
| 456 | }); | |
| 457 | } | |
| 458 | } | |
| 459 | options.data = formData; | |
| 460 | } | |
| 461 | // Blob reference is not needed anymore, free memory: | |
| 462 | options.blob = null; | |
| 463 | }, | |
| 464 | ||
| 465 | _initIframeSettings: function (options) { | |
| 466 | var targetHost = $('<a></a>').prop('href', options.url).prop('host'); | |
| 467 | // Setting the dataType to iframe enables the iframe transport: | |
| 468 | options.dataType = 'iframe ' + (options.dataType || ''); | |
| 469 | // The iframe transport accepts a serialized array as form data: | |
| 470 | options.formData = this._getFormData(options); | |
| 471 | // Add redirect url to form data on cross-domain uploads: | |
| 472 | if (options.redirect && targetHost && targetHost !== location.host) { | |
| 473 | options.formData.push({ | |
| 474 | name: options.redirectParamName || 'redirect', | |
| 475 | value: options.redirect | |
| 476 | }); | |
| 477 | } | |
| 478 | }, | |
| 479 | ||
| 480 | _initDataSettings: function (options) { | |
| 481 | if (this._isXHRUpload(options)) { | |
| 482 | if (!this._chunkedUpload(options, true)) { | |
| 483 | if (!options.data) { | |
| 484 | this._initXHRData(options); | |
| 485 | } | |
| 486 | this._initProgressListener(options); | |
| 487 | } | |
| 488 | if (options.postMessage) { | |
| 489 | // Setting the dataType to postmessage enables the | |
| 490 | // postMessage transport: | |
| 491 | options.dataType = 'postmessage ' + (options.dataType || ''); | |
| 492 | } | |
| 493 | } else { | |
| 494 | this._initIframeSettings(options); | |
| 495 | } | |
| 496 | }, | |
| 497 | ||
| 498 | _getParamName: function (options) { | |
| 499 | var fileInput = $(options.fileInput), | |
| 500 | paramName = options.paramName; | |
| 501 | if (!paramName) { | |
| 502 | paramName = []; | |
| 503 | fileInput.each(function () { | |
| 504 | var input = $(this), | |
| 505 | name = input.prop('name') || 'files[]', | |
| 506 | i = (input.prop('files') || [1]).length; | |
| 507 | while (i) { | |
| 508 | paramName.push(name); | |
| 509 | i -= 1; | |
| 510 | } | |
| 511 | }); | |
| 512 | if (!paramName.length) { | |
| 513 | paramName = [fileInput.prop('name') || 'files[]']; | |
| 514 | } | |
| 515 | } else if (!$.isArray(paramName)) { | |
| 516 | paramName = [paramName]; | |
| 517 | } | |
| 518 | return paramName; | |
| 519 | }, | |
| 520 | ||
| 521 | _initFormSettings: function (options) { | |
| 522 | // Retrieve missing options from the input field and the | |
| 523 | // associated form, if available: | |
| 524 | if (!options.form || !options.form.length) { | |
| 525 | options.form = $(options.fileInput.prop('form')); | |
| 526 | // If the given file input doesn't have an associated form, | |
| 527 | // use the default widget file input's form: | |
| 528 | if (!options.form.length) { | |
| 529 | options.form = $(this.options.fileInput.prop('form')); | |
| 530 | } | |
| 531 | } | |
| 532 | options.paramName = this._getParamName(options); | |
| 533 | if (!options.url) { | |
| 534 | options.url = options.form.prop('action') || location.href; | |
| 535 | } | |
| 536 | // The HTTP request method must be "POST" or "PUT": | |
| 537 | options.type = (options.type || options.form.prop('method') || '') | |
| 538 | .toUpperCase(); | |
| 539 | if (options.type !== 'POST' && options.type !== 'PUT' && | |
| 540 | options.type !== 'PATCH') { | |
| 541 | options.type = 'POST'; | |
| 542 | } | |
| 543 | if (!options.formAcceptCharset) { | |
| 544 | options.formAcceptCharset = options.form.attr('accept-charset'); | |
| 545 | } | |
| 546 | }, | |
| 547 | ||
| 548 | _getAJAXSettings: function (data) { | |
| 549 | var options = $.extend({}, this.options, data); | |
| 550 | this._initFormSettings(options); | |
| 551 | this._initDataSettings(options); | |
| 552 | return options; | |
| 553 | }, | |
| 554 | ||
| 555 | // jQuery 1.6 doesn't provide .state(), | |
| 556 | // while jQuery 1.8+ removed .isRejected() and .isResolved(): | |
| 557 | _getDeferredState: function (deferred) { | |
| 558 | if (deferred.state) { | |
| 559 | return deferred.state(); | |
| 560 | } | |
| 561 | if (deferred.isResolved()) { | |
| 562 | return 'resolved'; | |
| 563 | } | |
| 564 | if (deferred.isRejected()) { | |
| 565 | return 'rejected'; | |
| 566 | } | |
| 567 | return 'pending'; | |
| 568 | }, | |
| 569 | ||
| 570 | // Maps jqXHR callbacks to the equivalent | |
| 571 | // methods of the given Promise object: | |
| 572 | _enhancePromise: function (promise) { | |
| 573 | promise.success = promise.done; | |
| 574 | promise.error = promise.fail; | |
| 575 | promise.complete = promise.always; | |
| 576 | return promise; | |
| 577 | }, | |
| 578 | ||
| 579 | // Creates and returns a Promise object enhanced with | |
| 580 | // the jqXHR methods abort, success, error and complete: | |
| 581 | _getXHRPromise: function (resolveOrReject, context, args) { | |
| 582 | var dfd = $.Deferred(), | |
| 583 | promise = dfd.promise(); | |
| 584 | context = context || this.options.context || promise; | |
| 585 | if (resolveOrReject === true) { | |
| 586 | dfd.resolveWith(context, args); | |
| 587 | } else if (resolveOrReject === false) { | |
| 588 | dfd.rejectWith(context, args); | |
| 589 | } | |
| 590 | promise.abort = dfd.promise; | |
| 591 | return this._enhancePromise(promise); | |
| 592 | }, | |
| 593 | ||
| 594 | // Adds convenience methods to the data callback argument: | |
| 595 | _addConvenienceMethods: function (e, data) { | |
| 596 | var that = this, | |
| 597 | getPromise = function (data) { | |
| 598 | return $.Deferred().resolveWith(that, [data]).promise(); | |
| 599 | }; | |
| 600 | data.process = function (resolveFunc, rejectFunc) { | |
| 601 | if (resolveFunc || rejectFunc) { | |
| 602 | data._processQueue = this._processQueue = | |
| 603 | (this._processQueue || getPromise(this)) | |
| 604 | .pipe(resolveFunc, rejectFunc); | |
| 605 | } | |
| 606 | return this._processQueue || getPromise(this); | |
| 607 | }; | |
| 608 | data.submit = function () { | |
| 609 | if (this.state() !== 'pending') { | |
| 610 | data.jqXHR = this.jqXHR = | |
| 611 | (that._trigger('submit', e, this) !== false) && | |
| 612 | that._onSend(e, this); | |
| 613 | } | |
| 614 | return this.jqXHR || that._getXHRPromise(); | |
| 615 | }; | |
| 616 | data.abort = function () { | |
| 617 | if (this.jqXHR) { | |
| 618 | return this.jqXHR.abort(); | |
| 619 | } | |
| 620 | return that._getXHRPromise(); | |
| 621 | }; | |
| 622 | data.state = function () { | |
| 623 | if (this.jqXHR) { | |
| 624 | return that._getDeferredState(this.jqXHR); | |
| 625 | } | |
| 626 | if (this._processQueue) { | |
| 627 | return that._getDeferredState(this._processQueue); | |
| 628 | } | |
| 629 | }; | |
| 630 | data.progress = function () { | |
| 631 | return this._progress; | |
| 632 | }; | |
| 633 | data.response = function () { | |
| 634 | return this._response; | |
| 635 | }; | |
| 636 | }, | |
| 637 | ||
| 638 | // Parses the Range header from the server response | |
| 639 | // and returns the uploaded bytes: | |
| 640 | _getUploadedBytes: function (jqXHR) { | |
| 641 | var range = jqXHR.getResponseHeader('Range'), | |
| 642 | parts = range && range.split('-'), | |
| 643 | upperBytesPos = parts && parts.length > 1 && | |
| 644 | parseInt(parts[1], 10); | |
| 645 | return upperBytesPos && upperBytesPos + 1; | |
| 646 | }, | |
| 647 | ||
| 648 | // Uploads a file in multiple, sequential requests | |
| 649 | // by splitting the file up in multiple blob chunks. | |
| 650 | // If the second parameter is true, only tests if the file | |
| 651 | // should be uploaded in chunks, but does not invoke any | |
| 652 | // upload requests: | |
| 653 | _chunkedUpload: function (options, testOnly) { | |
| 654 | options.uploadedBytes = options.uploadedBytes || 0; | |
| 655 | var that = this, | |
| 656 | file = options.files[0], | |
| 657 | fs = file.size, | |
| 658 | ub = options.uploadedBytes, | |
| 659 | mcs = options.maxChunkSize || fs, | |
| 660 | slice = this._blobSlice, | |
| 661 | dfd = $.Deferred(), | |
| 662 | promise = dfd.promise(), | |
| 663 | jqXHR, | |
| 664 | upload; | |
| 665 | if (!(this._isXHRUpload(options) && slice && (ub || mcs < fs)) || | |
| 666 | options.data) { | |
| 667 | return false; | |
| 668 | } | |
| 669 | if (testOnly) { | |
| 670 | return true; | |
| 671 | } | |
| 672 | if (ub >= fs) { | |
| 673 | file.error = options.i18n('uploadedBytes'); | |
| 674 | return this._getXHRPromise( | |
| 675 | false, | |
| 676 | options.context, | |
| 677 | [null, 'error', file.error] | |
| 678 | ); | |
| 679 | } | |
| 680 | // The chunk upload method: | |
| 681 | upload = function () { | |
| 682 | // Clone the options object for each chunk upload: | |
| 683 | var o = $.extend({}, options), | |
| 684 | currentLoaded = o._progress.loaded; | |
| 685 | o.blob = slice.call( | |
| 686 | file, | |
| 687 | ub, | |
| 688 | ub + mcs, | |
| 689 | file.type | |
| 690 | ); | |
| 691 | // Store the current chunk size, as the blob itself | |
| 692 | // will be dereferenced after data processing: | |
| 693 | o.chunkSize = o.blob.size; | |
| 694 | // Expose the chunk bytes position range: | |
| 695 | o.contentRange = 'bytes ' + ub + '-' + | |
| 696 | (ub + o.chunkSize - 1) + '/' + fs; | |
| 697 | // Process the upload data (the blob and potential form data): | |
| 698 | that._initXHRData(o); | |
| 699 | // Add progress listeners for this chunk upload: | |
| 700 | that._initProgressListener(o); | |
| 701 | jqXHR = ((that._trigger('chunksend', null, o) !== false && $.ajax(o)) || | |
| 702 | that._getXHRPromise(false, o.context)) | |
| 703 | .done(function (result, textStatus, jqXHR) { | |
| 704 | ub = that._getUploadedBytes(jqXHR) || | |
| 705 | (ub + o.chunkSize); | |
| 706 | // Create a progress event if no final progress event | |
| 707 | // with loaded equaling total has been triggered | |
| 708 | // for this chunk: | |
| 709 | if (currentLoaded + o.chunkSize - o._progress.loaded) { | |
| 710 | that._onProgress($.Event('progress', { | |
| 711 | lengthComputable: true, | |
| 712 | loaded: ub - o.uploadedBytes, | |
| 713 | total: ub - o.uploadedBytes | |
| 714 | }), o); | |
| 715 | } | |
| 716 | options.uploadedBytes = o.uploadedBytes = ub; | |
| 717 | o.result = result; | |
| 718 | o.textStatus = textStatus; | |
| 719 | o.jqXHR = jqXHR; | |
| 720 | that._trigger('chunkdone', null, o); | |
| 721 | that._trigger('chunkalways', null, o); | |
| 722 | if (ub < fs) { | |
| 723 | // File upload not yet complete, | |
| 724 | // continue with the next chunk: | |
| 725 | upload(); | |
| 726 | } else { | |
| 727 | dfd.resolveWith( | |
| 728 | o.context, | |
| 729 | [result, textStatus, jqXHR] | |
| 730 | ); | |
| 731 | } | |
| 732 | }) | |
| 733 | .fail(function (jqXHR, textStatus, errorThrown) { | |
| 734 | o.jqXHR = jqXHR; | |
| 735 | o.textStatus = textStatus; | |
| 736 | o.errorThrown = errorThrown; | |
| 737 | that._trigger('chunkfail', null, o); | |
| 738 | that._trigger('chunkalways', null, o); | |
| 739 | dfd.rejectWith( | |
| 740 | o.context, | |
| 741 | [jqXHR, textStatus, errorThrown] | |
| 742 | ); | |
| 743 | }); | |
| 744 | }; | |
| 745 | this._enhancePromise(promise); | |
| 746 | promise.abort = function () { | |
| 747 | return jqXHR.abort(); | |
| 748 | }; | |
| 749 | upload(); | |
| 750 | return promise; | |
| 751 | }, | |
| 752 | ||
| 753 | _beforeSend: function (e, data) { | |
| 754 | if (this._active === 0) { | |
| 755 | // the start callback is triggered when an upload starts | |
| 756 | // and no other uploads are currently running, | |
| 757 | // equivalent to the global ajaxStart event: | |
| 758 | this._trigger('start'); | |
| 759 | // Set timer for global bitrate progress calculation: | |
| 760 | this._bitrateTimer = new this._BitrateTimer(); | |
| 761 | // Reset the global progress values: | |
| 762 | this._progress.loaded = this._progress.total = 0; | |
| 763 | this._progress.bitrate = 0; | |
| 764 | } | |
| 765 | // Make sure the container objects for the .response() and | |
| 766 | // .progress() methods on the data object are available | |
| 767 | // and reset to their initial state: | |
| 768 | this._initResponseObject(data); | |
| 769 | this._initProgressObject(data); | |
| 770 | data._progress.loaded = data.loaded = data.uploadedBytes || 0; | |
| 771 | data._progress.total = data.total = this._getTotal(data.files) || 1; | |
| 772 | data._progress.bitrate = data.bitrate = 0; | |
| 773 | this._active += 1; | |
| 774 | // Initialize the global progress values: | |
| 775 | this._progress.loaded += data.loaded; | |
| 776 | this._progress.total += data.total; | |
| 777 | }, | |
| 778 | ||
| 779 | _onDone: function (result, textStatus, jqXHR, options) { | |
| 780 | var total = options._progress.total, | |
| 781 | response = options._response; | |
| 782 | if (options._progress.loaded < total) { | |
| 783 | // Create a progress event if no final progress event | |
| 784 | // with loaded equaling total has been triggered: | |
| 785 | this._onProgress($.Event('progress', { | |
| 786 | lengthComputable: true, | |
| 787 | loaded: total, | |
| 788 | total: total | |
| 789 | }), options); | |
| 790 | } | |
| 791 | response.result = options.result = result; | |
| 792 | response.textStatus = options.textStatus = textStatus; | |
| 793 | response.jqXHR = options.jqXHR = jqXHR; | |
| 794 | this._trigger('done', null, options); | |
| 795 | }, | |
| 796 | ||
| 797 | _onFail: function (jqXHR, textStatus, errorThrown, options) { | |
| 798 | var response = options._response; | |
| 799 | if (options.recalculateProgress) { | |
| 800 | // Remove the failed (error or abort) file upload from | |
| 801 | // the global progress calculation: | |
| 802 | this._progress.loaded -= options._progress.loaded; | |
| 803 | this._progress.total -= options._progress.total; | |
| 804 | } | |
| 805 | response.jqXHR = options.jqXHR = jqXHR; | |
| 806 | response.textStatus = options.textStatus = textStatus; | |
| 807 | response.errorThrown = options.errorThrown = errorThrown; | |
| 808 | this._trigger('fail', null, options); | |
| 809 | }, | |
| 810 | ||
| 811 | _onAlways: function (jqXHRorResult, textStatus, jqXHRorError, options) { | |
| 812 | // jqXHRorResult, textStatus and jqXHRorError are added to the | |
| 813 | // options object via done and fail callbacks | |
| 814 | this._trigger('always', null, options); | |
| 815 | }, | |
| 816 | ||
| 817 | _onSend: function (e, data) { | |
| 818 | if (!data.submit) { | |
| 819 | this._addConvenienceMethods(e, data); | |
| 820 | } | |
| 821 | var that = this, | |
| 822 | jqXHR, | |
| 823 | aborted, | |
| 824 | slot, | |
| 825 | pipe, | |
| 826 | options = that._getAJAXSettings(data), | |
| 827 | send = function () { | |
| 828 | that._sending += 1; | |
| 829 | // Set timer for bitrate progress calculation: | |
| 830 | options._bitrateTimer = new that._BitrateTimer(); | |
| 831 | jqXHR = jqXHR || ( | |
| 832 | ((aborted || that._trigger('send', e, options) === false) && | |
| 833 | that._getXHRPromise(false, options.context, aborted)) || | |
| 834 | that._chunkedUpload(options) || $.ajax(options) | |
| 835 | ).done(function (result, textStatus, jqXHR) { | |
| 836 | that._onDone(result, textStatus, jqXHR, options); | |
| 837 | }).fail(function (jqXHR, textStatus, errorThrown) { | |
| 838 | that._onFail(jqXHR, textStatus, errorThrown, options); | |
| 839 | }).always(function (jqXHRorResult, textStatus, jqXHRorError) { | |
| 840 | that._onAlways( | |
| 841 | jqXHRorResult, | |
| 842 | textStatus, | |
| 843 | jqXHRorError, | |
| 844 | options | |
| 845 | ); | |
| 846 | that._sending -= 1; | |
| 847 | that._active -= 1; | |
| 848 | if (options.limitConcurrentUploads && | |
| 849 | options.limitConcurrentUploads > that._sending) { | |
| 850 | // Start the next queued upload, | |
| 851 | // that has not been aborted: | |
| 852 | var nextSlot = that._slots.shift(); | |
| 853 | while (nextSlot) { | |
| 854 | if (that._getDeferredState(nextSlot) === 'pending') { | |
| 855 | nextSlot.resolve(); | |
| 856 | break; | |
| 857 | } | |
| 858 | nextSlot = that._slots.shift(); | |
| 859 | } | |
| 860 | } | |
| 861 | if (that._active === 0) { | |
| 862 | // The stop callback is triggered when all uploads have | |
| 863 | // been completed, equivalent to the global ajaxStop event: | |
| 864 | that._trigger('stop'); | |
| 865 | } | |
| 866 | }); | |
| 867 | return jqXHR; | |
| 868 | }; | |
| 869 | this._beforeSend(e, options); | |
| 870 | if (this.options.sequentialUploads || | |
| 871 | (this.options.limitConcurrentUploads && | |
| 872 | this.options.limitConcurrentUploads <= this._sending)) { | |
| 873 | if (this.options.limitConcurrentUploads > 1) { | |
| 874 | slot = $.Deferred(); | |
| 875 | this._slots.push(slot); | |
| 876 | pipe = slot.pipe(send); | |
| 877 | } else { | |
| 878 | this._sequence = this._sequence.pipe(send, send); | |
| 879 | pipe = this._sequence; | |
| 880 | } | |
| 881 | // Return the piped Promise object, enhanced with an abort method, | |
| 882 | // which is delegated to the jqXHR object of the current upload, | |
| 883 | // and jqXHR callbacks mapped to the equivalent Promise methods: | |
| 884 | pipe.abort = function () { | |
| 885 | aborted = [undefined, 'abort', 'abort']; | |
| 886 | if (!jqXHR) { | |
| 887 | if (slot) { | |
| 888 | slot.rejectWith(options.context, aborted); | |
| 889 | } | |
| 890 | return send(); | |
| 891 | } | |
| 892 | return jqXHR.abort(); | |
| 893 | }; | |
| 894 | return this._enhancePromise(pipe); | |
| 895 | } | |
| 896 | return send(); | |
| 897 | }, | |
| 898 | ||
| 899 | _onAdd: function (e, data) { | |
| 900 | var that = this, | |
| 901 | result = true, | |
| 902 | options = $.extend({}, this.options, data), | |
| 903 | limit = options.limitMultiFileUploads, | |
| 904 | paramName = this._getParamName(options), | |
| 905 | paramNameSet, | |
| 906 | paramNameSlice, | |
| 907 | fileSet, | |
| 908 | i; | |
| 909 | if (!(options.singleFileUploads || limit) || | |
| 910 | !this._isXHRUpload(options)) { | |
| 911 | fileSet = [data.files]; | |
| 912 | paramNameSet = [paramName]; | |
| 913 | } else if (!options.singleFileUploads && limit) { | |
| 914 | fileSet = []; | |
| 915 | paramNameSet = []; | |
| 916 | for (i = 0; i < data.files.length; i += limit) { | |
| 917 | fileSet.push(data.files.slice(i, i + limit)); | |
| 918 | paramNameSlice = paramName.slice(i, i + limit); | |
| 919 | if (!paramNameSlice.length) { | |
| 920 | paramNameSlice = paramName; | |
| 921 | } | |
| 922 | paramNameSet.push(paramNameSlice); | |
| 923 | } | |
| 924 | } else { | |
| 925 | paramNameSet = paramName; | |
| 926 | } | |
| 927 | data.originalFiles = data.files; | |
| 928 | $.each(fileSet || data.files, function (index, element) { | |
| 929 | var newData = $.extend({}, data); | |
| 930 | newData.files = fileSet ? element : [element]; | |
| 931 | newData.paramName = paramNameSet[index]; | |
| 932 | that._initResponseObject(newData); | |
| 933 | that._initProgressObject(newData); | |
| 934 | that._addConvenienceMethods(e, newData); | |
| 935 | result = that._trigger('add', e, newData); | |
| 936 | return result; | |
| 937 | }); | |
| 938 | return result; | |
| 939 | }, | |
| 940 | ||
| 941 | _replaceFileInput: function (input) { | |
| 942 | var inputClone = input.clone(true); | |
| 943 | $('<form></form>').append(inputClone)[0].reset(); | |
| 944 | // Detaching allows to insert the fileInput on another form | |
| 945 | // without loosing the file input value: | |
| 946 | input.after(inputClone).detach(); | |
| 947 | // Avoid memory leaks with the detached file input: | |
| 948 | $.cleanData(input.unbind('remove')); | |
| 949 | // Replace the original file input element in the fileInput | |
| 950 | // elements set with the clone, which has been copied including | |
| 951 | // event handlers: | |
| 952 | this.options.fileInput = this.options.fileInput.map(function (i, el) { | |
| 953 | if (el === input[0]) { | |
| 954 | return inputClone[0]; | |
| 955 | } | |
| 956 | return el; | |
| 957 | }); | |
| 958 | // If the widget has been initialized on the file input itself, | |
| 959 | // override this.element with the file input clone: | |
| 960 | if (input[0] === this.element[0]) { | |
| 961 | this.element = inputClone; | |
| 962 | } | |
| 963 | }, | |
| 964 | ||
| 965 | _handleFileTreeEntry: function (entry, path) { | |
| 966 | var that = this, | |
| 967 | dfd = $.Deferred(), | |
| 968 | errorHandler = function (e) { | |
| 969 | if (e && !e.entry) { | |
| 970 | e.entry = entry; | |
| 971 | } | |
| 972 | // Since $.when returns immediately if one | |
| 973 | // Deferred is rejected, we use resolve instead. | |
| 974 | // This allows valid files and invalid items | |
| 975 | // to be returned together in one set: | |
| 976 | dfd.resolve([e]); | |
| 977 | }, | |
| 978 | dirReader; | |
| 979 | path = path || ''; | |
| 980 | if (entry.isFile) { | |
| 981 | if (entry._file) { | |
| 982 | // Workaround for Chrome bug #149735 | |
| 983 | entry._file.relativePath = path; | |
| 984 | dfd.resolve(entry._file); | |
| 985 | } else { | |
| 986 | entry.file(function (file) { | |
| 987 | file.relativePath = path; | |
| 988 | dfd.resolve(file); | |
| 989 | }, errorHandler); | |
| 990 | } | |
| 991 | } else if (entry.isDirectory) { | |
| 992 | dirReader = entry.createReader(); | |
| 993 | dirReader.readEntries(function (entries) { | |
| 994 | that._handleFileTreeEntries( | |
| 995 | entries, | |
| 996 | path + entry.name + '/' | |
| 997 | ).done(function (files) { | |
| 998 | dfd.resolve(files); | |
| 999 | }).fail(errorHandler); | |
| 1000 | }, errorHandler); | |
| 1001 | } else { | |
| 1002 | // Return an empy list for file system items | |
| 1003 | // other than files or directories: | |
| 1004 | dfd.resolve([]); | |
| 1005 | } | |
| 1006 | return dfd.promise(); | |
| 1007 | }, | |
| 1008 | ||
| 1009 | _handleFileTreeEntries: function (entries, path) { | |
| 1010 | var that = this; | |
| 1011 | return $.when.apply( | |
| 1012 | $, | |
| 1013 | $.map(entries, function (entry) { | |
| 1014 | return that._handleFileTreeEntry(entry, path); | |
| 1015 | }) | |
| 1016 | ).pipe(function () { | |
| 1017 | return Array.prototype.concat.apply( | |
| 1018 | [], | |
| 1019 | arguments | |
| 1020 | ); | |
| 1021 | }); | |
| 1022 | }, | |
| 1023 | ||
| 1024 | _getDroppedFiles: function (dataTransfer) { | |
| 1025 | dataTransfer = dataTransfer || {}; | |
| 1026 | var items = dataTransfer.items; | |
| 1027 | if (items && items.length && (items[0].webkitGetAsEntry || | |
| 1028 | items[0].getAsEntry)) { | |
| 1029 | return this._handleFileTreeEntries( | |
| 1030 | $.map(items, function (item) { | |
| 1031 | var entry; | |
| 1032 | if (item.webkitGetAsEntry) { | |
| 1033 | entry = item.webkitGetAsEntry(); | |
| 1034 | if (entry) { | |
| 1035 | // Workaround for Chrome bug #149735: | |
| 1036 | entry._file = item.getAsFile(); | |
| 1037 | } | |
| 1038 | return entry; | |
| 1039 | } | |
| 1040 | return item.getAsEntry(); | |
| 1041 | }) | |
| 1042 | ); | |
| 1043 | } | |
| 1044 | return $.Deferred().resolve( | |
| 1045 | $.makeArray(dataTransfer.files) | |
| 1046 | ).promise(); | |
| 1047 | }, | |
| 1048 | ||
| 1049 | _getSingleFileInputFiles: function (fileInput) { | |
| 1050 | fileInput = $(fileInput); | |
| 1051 | var entries = fileInput.prop('webkitEntries') || | |
| 1052 | fileInput.prop('entries'), | |
| 1053 | files, | |
| 1054 | value; | |
| 1055 | if (entries && entries.length) { | |
| 1056 | return this._handleFileTreeEntries(entries); | |
| 1057 | } | |
| 1058 | files = $.makeArray(fileInput.prop('files')); | |
| 1059 | if (!files.length) { | |
| 1060 | value = fileInput.prop('value'); | |
| 1061 | if (!value) { | |
| 1062 | return $.Deferred().resolve([]).promise(); | |
| 1063 | } | |
| 1064 | // If the files property is not available, the browser does not | |
| 1065 | // support the File API and we add a pseudo File object with | |
| 1066 | // the input value as name with path information removed: | |
| 1067 | files = [{name: value.replace(/^.*\\/, '')}]; | |
| 1068 | } else if (files[0].name === undefined && files[0].fileName) { | |
| 1069 | // File normalization for Safari 4 and Firefox 3: | |
| 1070 | $.each(files, function (index, file) { | |
| 1071 | file.name = file.fileName; | |
| 1072 | file.size = file.fileSize; | |
| 1073 | }); | |
| 1074 | } | |
| 1075 | return $.Deferred().resolve(files).promise(); | |
| 1076 | }, | |
| 1077 | ||
| 1078 | _getFileInputFiles: function (fileInput) { | |
| 1079 | if (!(fileInput instanceof $) || fileInput.length === 1) { | |
| 1080 | return this._getSingleFileInputFiles(fileInput); | |
| 1081 | } | |
| 1082 | return $.when.apply( | |
| 1083 | $, | |
| 1084 | $.map(fileInput, this._getSingleFileInputFiles) | |
| 1085 | ).pipe(function () { | |
| 1086 | return Array.prototype.concat.apply( | |
| 1087 | [], | |
| 1088 | arguments | |
| 1089 | ); | |
| 1090 | }); | |
| 1091 | }, | |
| 1092 | ||
| 1093 | _onChange: function (e) { | |
| 1094 | var that = this, | |
| 1095 | data = { | |
| 1096 | fileInput: $(e.target), | |
| 1097 | form: $(e.target.form) | |
| 1098 | }; | |
| 1099 | this._getFileInputFiles(data.fileInput).always(function (files) { | |
| 1100 | data.files = files; | |
| 1101 | if (that.options.replaceFileInput) { | |
| 1102 | that._replaceFileInput(data.fileInput); | |
| 1103 | } | |
| 1104 | if (that._trigger('change', e, data) !== false) { | |
| 1105 | that._onAdd(e, data); | |
| 1106 | } | |
| 1107 | }); | |
| 1108 | }, | |
| 1109 | ||
| 1110 | _onPaste: function (e) { | |
| 1111 | var items = e.originalEvent && e.originalEvent.clipboardData && | |
| 1112 | e.originalEvent.clipboardData.items, | |
| 1113 | data = {files: []}; | |
| 1114 | if (items && items.length) { | |
| 1115 | $.each(items, function (index, item) { | |
| 1116 | var file = item.getAsFile && item.getAsFile(); | |
| 1117 | if (file) { | |
| 1118 | data.files.push(file); | |
| 1119 | } | |
| 1120 | }); | |
| 1121 | if (this._trigger('paste', e, data) === false || | |
| 1122 | this._onAdd(e, data) === false) { | |
| 1123 | return false; | |
| 1124 | } | |
| 1125 | } | |
| 1126 | }, | |
| 1127 | ||
| 1128 | _onDrop: function (e) { | |
| 1129 | e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer; | |
| 1130 | var that = this, | |
| 1131 | dataTransfer = e.dataTransfer, | |
| 1132 | data = {}; | |
| 1133 | if (dataTransfer && dataTransfer.files && dataTransfer.files.length) { | |
| 1134 | e.preventDefault(); | |
| 1135 | this._getDroppedFiles(dataTransfer).always(function (files) { | |
| 1136 | data.files = files; | |
| 1137 | if (that._trigger('drop', e, data) !== false) { | |
| 1138 | that._onAdd(e, data); | |
| 1139 | } | |
| 1140 | }); | |
| 1141 | } | |
| 1142 | }, | |
| 1143 | ||
| 1144 | _onDragOver: function (e) { | |
| 1145 | e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer; | |
| 1146 | var dataTransfer = e.dataTransfer; | |
| 1147 | if (dataTransfer) { | |
| 1148 | if (this._trigger('dragover', e) === false) { | |
| 1149 | return false; | |
| 1150 | } | |
| 1151 | if ($.inArray('Files', dataTransfer.types) !== -1) { | |
| 1152 | dataTransfer.dropEffect = 'copy'; | |
| 1153 | e.preventDefault(); | |
| 1154 | } | |
| 1155 | } | |
| 1156 | }, | |
| 1157 | ||
| 1158 | _initEventHandlers: function () { | |
| 1159 | if (this._isXHRUpload(this.options)) { | |
| 1160 | this._on(this.options.dropZone, { | |
| 1161 | dragover: this._onDragOver, | |
| 1162 | drop: this._onDrop | |
| 1163 | }); | |
| 1164 | this._on(this.options.pasteZone, { | |
| 1165 | paste: this._onPaste | |
| 1166 | }); | |
| 1167 | } | |
| 1168 | if ($.support.fileInput) { | |
| 1169 | this._on(this.options.fileInput, { | |
| 1170 | change: this._onChange | |
| 1171 | }); | |
| 1172 | } | |
| 1173 | }, | |
| 1174 | ||
| 1175 | _destroyEventHandlers: function () { | |
| 1176 | this._off(this.options.dropZone, 'dragover drop'); | |
| 1177 | this._off(this.options.pasteZone, 'paste'); | |
| 1178 | this._off(this.options.fileInput, 'change'); | |
| 1179 | }, | |
| 1180 | ||
| 1181 | _setOption: function (key, value) { | |
| 1182 | var reinit = $.inArray(key, this._specialOptions) !== -1; | |
| 1183 | if (reinit) { | |
| 1184 | this._destroyEventHandlers(); | |
| 1185 | } | |
| 1186 | this._super(key, value); | |
| 1187 | if (reinit) { | |
| 1188 | this._initSpecialOptions(); | |
| 1189 | this._initEventHandlers(); | |
| 1190 | } | |
| 1191 | }, | |
| 1192 | ||
| 1193 | _initSpecialOptions: function () { | |
| 1194 | var options = this.options; | |
| 1195 | if (options.fileInput === undefined) { | |
| 1196 | options.fileInput = this.element.is('input[type="file"]') ? | |
| 1197 | this.element : this.element.find('input[type="file"]'); | |
| 1198 | } else if (!(options.fileInput instanceof $)) { | |
| 1199 | options.fileInput = $(options.fileInput); | |
| 1200 | } | |
| 1201 | if (!(options.dropZone instanceof $)) { | |
| 1202 | options.dropZone = $(options.dropZone); | |
| 1203 | } | |
| 1204 | if (!(options.pasteZone instanceof $)) { | |
| 1205 | options.pasteZone = $(options.pasteZone); | |
| 1206 | } | |
| 1207 | }, | |
| 1208 | ||
| 1209 | _getRegExp: function (str) { | |
| 1210 | var parts = str.split('/'), | |
| 1211 | modifiers = parts.pop(); | |
| 1212 | parts.shift(); | |
| 1213 | return new RegExp(parts.join('/'), modifiers); | |
| 1214 | }, | |
| 1215 | ||
| 1216 | _isRegExpOption: function (key, value) { | |
| 1217 | return key !== 'url' && $.type(value) === 'string' && | |
| 1218 | /^\/.*\/[igm]{0,3}$/.test(value); | |
| 1219 | }, | |
| 1220 | ||
| 1221 | _initDataAttributes: function () { | |
| 1222 | var that = this, | |
| 1223 | options = this.options; | |
| 1224 | // Initialize options set via HTML5 data-attributes: | |
| 1225 | $.each( | |
| 1226 | $(this.element[0].cloneNode(false)).data(), | |
| 1227 | function (key, value) { | |
| 1228 | if (that._isRegExpOption(key, value)) { | |
| 1229 | value = that._getRegExp(value); | |
| 1230 | } | |
| 1231 | options[key] = value; | |
| 1232 | } | |
| 1233 | ); | |
| 1234 | }, | |
| 1235 | ||
| 1236 | _create: function () { | |
| 1237 | this._initDataAttributes(); | |
| 1238 | this._initSpecialOptions(); | |
| 1239 | this._slots = []; | |
| 1240 | this._sequence = this._getXHRPromise(true); | |
| 1241 | this._sending = this._active = 0; | |
| 1242 | this._initProgressObject(this); | |
| 1243 | this._initEventHandlers(); | |
| 1244 | }, | |
| 1245 | ||
| 1246 | // This method is exposed to the widget API and allows to query | |
| 1247 | // the number of active uploads: | |
| 1248 | active: function () { | |
| 1249 | return this._active; | |
| 1250 | }, | |
| 1251 | ||
| 1252 | // This method is exposed to the widget API and allows to query | |
| 1253 | // the widget upload progress. | |
| 1254 | // It returns an object with loaded, total and bitrate properties | |
| 1255 | // for the running uploads: | |
| 1256 | progress: function () { | |
| 1257 | return this._progress; | |
| 1258 | }, | |
| 1259 | ||
| 1260 | // This method is exposed to the widget API and allows adding files | |
| 1261 | // using the fileupload API. The data parameter accepts an object which | |
| 1262 | // must have a files property and can contain additional options: | |
| 1263 | // .fileupload('add', {files: filesList}); | |
| 1264 | add: function (data) { | |
| 1265 | var that = this; | |
| 1266 | if (!data || this.options.disabled) { | |
| 1267 | return; | |
| 1268 | } | |
| 1269 | if (data.fileInput && !data.files) { | |
| 1270 | this._getFileInputFiles(data.fileInput).always(function (files) { | |
| 1271 | data.files = files; | |
| 1272 | that._onAdd(null, data); | |
| 1273 | }); | |
| 1274 | } else { | |
| 1275 | data.files = $.makeArray(data.files); | |
| 1276 | this._onAdd(null, data); | |
| 1277 | } | |
| 1278 | }, | |
| 1279 | ||
| 1280 | // This method is exposed to the widget API and allows sending files | |
| 1281 | // using the fileupload API. The data parameter accepts an object which | |
| 1282 | // must have a files or fileInput property and can contain additional options: | |
| 1283 | // .fileupload('send', {files: filesList}); | |
| 1284 | // The method returns a Promise object for the file upload call. | |
| 1285 | send: function (data) { | |
| 1286 | if (data && !this.options.disabled) { | |
| 1287 | if (data.fileInput && !data.files) { | |
| 1288 | var that = this, | |
| 1289 | dfd = $.Deferred(), | |
| 1290 | promise = dfd.promise(), | |
| 1291 | jqXHR, | |
| 1292 | aborted; | |
| 1293 | promise.abort = function () { | |
| 1294 | aborted = true; | |
| 1295 | if (jqXHR) { | |
| 1296 | return jqXHR.abort(); | |
| 1297 | } | |
| 1298 | dfd.reject(null, 'abort', 'abort'); | |
| 1299 | return promise; | |
| 1300 | }; | |
| 1301 | this._getFileInputFiles(data.fileInput).always( | |
| 1302 | function (files) { | |
| 1303 | if (aborted) { | |
| 1304 | return; | |
| 1305 | } | |
| 1306 | if (!files.length) { | |
| 1307 | dfd.reject(); | |
| 1308 | return; | |
| 1309 | } | |
| 1310 | data.files = files; | |
| 1311 | jqXHR = that._onSend(null, data).then( | |
| 1312 | function (result, textStatus, jqXHR) { | |
| 1313 | dfd.resolve(result, textStatus, jqXHR); | |
| 1314 | }, | |
| 1315 | function (jqXHR, textStatus, errorThrown) { | |
| 1316 | dfd.reject(jqXHR, textStatus, errorThrown); | |
| 1317 | } | |
| 1318 | ); | |
| 1319 | } | |
| 1320 | ); | |
| 1321 | return this._enhancePromise(promise); | |
| 1322 | } | |
| 1323 | data.files = $.makeArray(data.files); | |
| 1324 | if (data.files.length) { | |
| 1325 | return this._onSend(null, data); | |
| 1326 | } | |
| 1327 | } | |
| 1328 | return this._getXHRPromise(false, data && data.context); | |
| 1329 | } | |
| 1330 | ||
| 1331 | }); | |
| 1332 | ||
| 1333 | })); | |
