diff --git a/www/conservancy/static/js/dropzone/dropzone.js b/www/conservancy/static/js/dropzone/dropzone.js new file mode 100644 index 0000000000000000000000000000000000000000..970dce0200fac8b464f2bcd1d6ea1fd9dac8dcea --- /dev/null +++ b/www/conservancy/static/js/dropzone/dropzone.js @@ -0,0 +1,3507 @@ +"use strict"; + +function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } + +function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); } + +function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); } + +function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; } + +function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); } + +function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } + +function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } } + +function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } + +function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; } + +function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); } + +function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; } + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } + +function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } + +/* + * + * More info at [www.dropzonejs.com](http://www.dropzonejs.com) + * + * Copyright (c) 2012, Matias Meno + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + */ +// The Emitter class provides the ability to call `.on()` on Dropzone to listen +// to events. +// It is strongly based on component's emitter class, and I removed the +// functionality because of the dependency hell with different frameworks. +var Emitter = /*#__PURE__*/function () { + function Emitter() { + _classCallCheck(this, Emitter); + } + + _createClass(Emitter, [{ + key: "on", + // Add an event listener for given event + value: function on(event, fn) { + this._callbacks = this._callbacks || {}; // Create namespace for this event + + if (!this._callbacks[event]) { + this._callbacks[event] = []; + } + + this._callbacks[event].push(fn); + + return this; + } + }, { + key: "emit", + value: function emit(event) { + this._callbacks = this._callbacks || {}; + var callbacks = this._callbacks[event]; + + if (callbacks) { + for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + args[_key - 1] = arguments[_key]; + } + + var _iterator = _createForOfIteratorHelper(callbacks), + _step; + + try { + for (_iterator.s(); !(_step = _iterator.n()).done;) { + var callback = _step.value; + callback.apply(this, args); + } + } catch (err) { + _iterator.e(err); + } finally { + _iterator.f(); + } + } + + return this; + } // Remove event listener for given event. If fn is not provided, all event + // listeners for that event will be removed. If neither is provided, all + // event listeners will be removed. + + }, { + key: "off", + value: function off(event, fn) { + if (!this._callbacks || arguments.length === 0) { + this._callbacks = {}; + return this; + } // specific event + + + var callbacks = this._callbacks[event]; + + if (!callbacks) { + return this; + } // remove all handlers + + + if (arguments.length === 1) { + delete this._callbacks[event]; + return this; + } // remove specific handler + + + for (var i = 0; i < callbacks.length; i++) { + var callback = callbacks[i]; + + if (callback === fn) { + callbacks.splice(i, 1); + break; + } + } + + return this; + } + }]); + + return Emitter; +}(); + +var Dropzone = /*#__PURE__*/function (_Emitter) { + _inherits(Dropzone, _Emitter); + + var _super = _createSuper(Dropzone); + + _createClass(Dropzone, null, [{ + key: "initClass", + value: function initClass() { + // Exposing the emitter class, mainly for tests + this.prototype.Emitter = Emitter; + /* + This is a list of all available events you can register on a dropzone object. + You can register an event handler like this: + dropzone.on("dragEnter", function() { }); + */ + + this.prototype.events = ["drop", "dragstart", "dragend", "dragenter", "dragover", "dragleave", "addedfile", "addedfiles", "removedfile", "thumbnail", "error", "errormultiple", "processing", "processingmultiple", "uploadprogress", "totaluploadprogress", "sending", "sendingmultiple", "success", "successmultiple", "canceled", "canceledmultiple", "complete", "completemultiple", "reset", "maxfilesexceeded", "maxfilesreached", "queuecomplete"]; + this.prototype.defaultOptions = { + /** + * Has to be specified on elements other than form (or when the form + * doesn't have an `action` attribute). You can also + * provide a function that will be called with `files` and + * must return the url (since `v3.12.0`) + */ + url: null, + + /** + * Can be changed to `"put"` if necessary. You can also provide a function + * that will be called with `files` and must return the method (since `v3.12.0`). + */ + method: "post", + + /** + * Will be set on the XHRequest. + */ + withCredentials: false, + + /** + * The timeout for the XHR requests in milliseconds (since `v4.4.0`). + */ + timeout: 30000, + + /** + * How many file uploads to process in parallel (See the + * Enqueuing file uploads documentation section for more info) + */ + parallelUploads: 2, + + /** + * Whether to send multiple files in one request. If + * this it set to true, then the fallback file input element will + * have the `multiple` attribute as well. This option will + * also trigger additional events (like `processingmultiple`). See the events + * documentation section for more information. + */ + uploadMultiple: false, + + /** + * Whether you want files to be uploaded in chunks to your server. This can't be + * used in combination with `uploadMultiple`. + * + * See [chunksUploaded](#config-chunksUploaded) for the callback to finalise an upload. + */ + chunking: false, + + /** + * If `chunking` is enabled, this defines whether **every** file should be chunked, + * even if the file size is below chunkSize. This means, that the additional chunk + * form data will be submitted and the `chunksUploaded` callback will be invoked. + */ + forceChunking: false, + + /** + * If `chunking` is `true`, then this defines the chunk size in bytes. + */ + chunkSize: 2000000, + + /** + * If `true`, the individual chunks of a file are being uploaded simultaneously. + */ + parallelChunkUploads: false, + + /** + * Whether a chunk should be retried if it fails. + */ + retryChunks: false, + + /** + * If `retryChunks` is true, how many times should it be retried. + */ + retryChunksLimit: 3, + + /** + * If not `null` defines how many files this Dropzone handles. If it exceeds, + * the event `maxfilesexceeded` will be called. The dropzone element gets the + * class `dz-max-files-reached` accordingly so you can provide visual feedback. + */ + maxFilesize: 256, + + /** + * The name of the file param that gets transferred. + * **NOTE**: If you have the option `uploadMultiple` set to `true`, then + * Dropzone will append `[]` to the name. + */ + paramName: "file", + + /** + * Whether thumbnails for images should be generated + */ + createImageThumbnails: true, + + /** + * In MB. When the filename exceeds this limit, the thumbnail will not be generated. + */ + maxThumbnailFilesize: 10, + + /** + * If `null`, the ratio of the image will be used to calculate it. + */ + thumbnailWidth: 120, + + /** + * The same as `thumbnailWidth`. If both are null, images will not be resized. + */ + thumbnailHeight: 120, + + /** + * How the images should be scaled down in case both, `thumbnailWidth` and `thumbnailHeight` are provided. + * Can be either `contain` or `crop`. + */ + thumbnailMethod: 'crop', + + /** + * If set, images will be resized to these dimensions before being **uploaded**. + * If only one, `resizeWidth` **or** `resizeHeight` is provided, the original aspect + * ratio of the file will be preserved. + * + * The `options.transformFile` function uses these options, so if the `transformFile` function + * is overridden, these options don't do anything. + */ + resizeWidth: null, + + /** + * See `resizeWidth`. + */ + resizeHeight: null, + + /** + * The mime type of the resized image (before it gets uploaded to the server). + * If `null` the original mime type will be used. To force jpeg, for example, use `image/jpeg`. + * See `resizeWidth` for more information. + */ + resizeMimeType: null, + + /** + * The quality of the resized images. See `resizeWidth`. + */ + resizeQuality: 0.8, + + /** + * How the images should be scaled down in case both, `resizeWidth` and `resizeHeight` are provided. + * Can be either `contain` or `crop`. + */ + resizeMethod: 'contain', + + /** + * The base that is used to calculate the filesize. You can change this to + * 1024 if you would rather display kibibytes, mebibytes, etc... + * 1024 is technically incorrect, because `1024 bytes` are `1 kibibyte` not `1 kilobyte`. + * You can change this to `1024` if you don't care about validity. + */ + filesizeBase: 1000, + + /** + * Can be used to limit the maximum number of files that will be handled by this Dropzone + */ + maxFiles: null, + + /** + * An optional object to send additional headers to the server. Eg: + * `{ "My-Awesome-Header": "header value" }` + */ + headers: null, + + /** + * If `true`, the dropzone element itself will be clickable, if `false` + * nothing will be clickable. + * + * You can also pass an HTML element, a CSS selector (for multiple elements) + * or an array of those. In that case, all of those elements will trigger an + * upload when clicked. + */ + clickable: true, + + /** + * Whether hidden files in directories should be ignored. + */ + ignoreHiddenFiles: true, + + /** + * The default implementation of `accept` checks the file's mime type or + * extension against this list. This is a comma separated list of mime + * types or file extensions. + * + * Eg.: `image/*,application/pdf,.psd` + * + * If the Dropzone is `clickable` this option will also be used as + * [`accept`](https://developer.mozilla.org/en-US/docs/HTML/Element/input#attr-accept) + * parameter on the hidden file input as well. + */ + acceptedFiles: null, + + /** + * **Deprecated!** + * Use acceptedFiles instead. + */ + acceptedMimeTypes: null, + + /** + * If false, files will be added to the queue but the queue will not be + * processed automatically. + * This can be useful if you need some additional user input before sending + * files (or if you want want all files sent at once). + * If you're ready to send the file simply call `myDropzone.processQueue()`. + * + * See the [enqueuing file uploads](#enqueuing-file-uploads) documentation + * section for more information. + */ + autoProcessQueue: true, + + /** + * If false, files added to the dropzone will not be queued by default. + * You'll have to call `enqueueFile(file)` manually. + */ + autoQueue: true, + + /** + * If `true`, this will add a link to every file preview to remove or cancel (if + * already uploading) the file. The `dictCancelUpload`, `dictCancelUploadConfirmation` + * and `dictRemoveFile` options are used for the wording. + */ + addRemoveLinks: false, + + /** + * Defines where to display the file previews – if `null` the + * Dropzone element itself is used. Can be a plain `HTMLElement` or a CSS + * selector. The element should have the `dropzone-previews` class so + * the previews are displayed properly. + */ + previewsContainer: null, + + /** + * This is the element the hidden input field (which is used when clicking on the + * dropzone to trigger file selection) will be appended to. This might + * be important in case you use frameworks to switch the content of your page. + * + * Can be a selector string, or an element directly. + */ + hiddenInputContainer: "body", + + /** + * If null, no capture type will be specified + * If camera, mobile devices will skip the file selection and choose camera + * If microphone, mobile devices will skip the file selection and choose the microphone + * If camcorder, mobile devices will skip the file selection and choose the camera in video mode + * On apple devices multiple must be set to false. AcceptedFiles may need to + * be set to an appropriate mime type (e.g. "image/*", "audio/*", or "video/*"). + */ + capture: null, + + /** + * **Deprecated**. Use `renameFile` instead. + */ + renameFilename: null, + + /** + * A function that is invoked before the file is uploaded to the server and renames the file. + * This function gets the `File` as argument and can use the `file.name`. The actual name of the + * file that gets used during the upload can be accessed through `file.upload.filename`. + */ + renameFile: null, + + /** + * If `true` the fallback will be forced. This is very useful to test your server + * implementations first and make sure that everything works as + * expected without dropzone if you experience problems, and to test + * how your fallbacks will look. + */ + forceFallback: false, + + /** + * The text used before any files are dropped. + */ + dictDefaultMessage: "Drop files here to upload", + + /** + * The text that replaces the default message text it the browser is not supported. + */ + dictFallbackMessage: "Your browser does not support drag'n'drop file uploads.", + + /** + * The text that will be added before the fallback form. + * If you provide a fallback element yourself, or if this option is `null` this will + * be ignored. + */ + dictFallbackText: "Please use the fallback form below to upload your files like in the olden days.", + + /** + * If the filesize is too big. + * `{{filesize}}` and `{{maxFilesize}}` will be replaced with the respective configuration values. + */ + dictFileTooBig: "File is too big ({{filesize}}MiB). Max filesize: {{maxFilesize}}MiB.", + + /** + * If the file doesn't match the file type. + */ + dictInvalidFileType: "You can't upload files of this type.", + + /** + * If the server response was invalid. + * `{{statusCode}}` will be replaced with the servers status code. + */ + dictResponseError: "Server responded with {{statusCode}} code.", + + /** + * If `addRemoveLinks` is true, the text to be used for the cancel upload link. + */ + dictCancelUpload: "Cancel upload", + + /** + * The text that is displayed if an upload was manually canceled + */ + dictUploadCanceled: "Upload canceled.", + + /** + * If `addRemoveLinks` is true, the text to be used for confirmation when cancelling upload. + */ + dictCancelUploadConfirmation: "Are you sure you want to cancel this upload?", + + /** + * If `addRemoveLinks` is true, the text to be used to remove a file. + */ + dictRemoveFile: "Remove file", + + /** + * If this is not null, then the user will be prompted before removing a file. + */ + dictRemoveFileConfirmation: null, + + /** + * Displayed if `maxFiles` is st and exceeded. + * The string `{{maxFiles}}` will be replaced by the configuration value. + */ + dictMaxFilesExceeded: "You can not upload any more files.", + + /** + * Allows you to translate the different units. Starting with `tb` for terabytes and going down to + * `b` for bytes. + */ + dictFileSizeUnits: { + tb: "TB", + gb: "GB", + mb: "MB", + kb: "KB", + b: "b" + }, + + /** + * Called when dropzone initialized + * You can add event listeners here + */ + init: function init() {}, + + /** + * Can be an **object** of additional parameters to transfer to the server, **or** a `Function` + * that gets invoked with the `files`, `xhr` and, if it's a chunked upload, `chunk` arguments. In case + * of a function, this needs to return a map. + * + * The default implementation does nothing for normal uploads, but adds relevant information for + * chunked uploads. + * + * This is the same as adding hidden input fields in the form element. + */ + params: function params(files, xhr, chunk) { + if (chunk) { + return { + dzuuid: chunk.file.upload.uuid, + dzchunkindex: chunk.index, + dztotalfilesize: chunk.file.size, + dzchunksize: this.options.chunkSize, + dztotalchunkcount: chunk.file.upload.totalChunkCount, + dzchunkbyteoffset: chunk.index * this.options.chunkSize + }; + } + }, + + /** + * A function that gets a [file](https://developer.mozilla.org/en-US/docs/DOM/File) + * and a `done` function as parameters. + * + * If the done function is invoked without arguments, the file is "accepted" and will + * be processed. If you pass an error message, the file is rejected, and the error + * message will be displayed. + * This function will not be called if the file is too big or doesn't match the mime types. + */ + accept: function accept(file, done) { + return done(); + }, + + /** + * The callback that will be invoked when all chunks have been uploaded for a file. + * It gets the file for which the chunks have been uploaded as the first parameter, + * and the `done` function as second. `done()` needs to be invoked when everything + * needed to finish the upload process is done. + */ + chunksUploaded: function chunksUploaded(file, done) { + done(); + }, + + /** + * Gets called when the browser is not supported. + * The default implementation shows the fallback input field and adds + * a text. + */ + fallback: function fallback() { + // This code should pass in IE7... :( + var messageElement; + this.element.className = "".concat(this.element.className, " dz-browser-not-supported"); + + var _iterator2 = _createForOfIteratorHelper(this.element.getElementsByTagName("div")), + _step2; + + try { + for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) { + var child = _step2.value; + + if (/(^| )dz-message($| )/.test(child.className)) { + messageElement = child; + child.className = "dz-message"; // Removes the 'dz-default' class + + break; + } + } + } catch (err) { + _iterator2.e(err); + } finally { + _iterator2.f(); + } + + if (!messageElement) { + messageElement = Dropzone.createElement("
"); + this.element.appendChild(messageElement); + } + + var span = messageElement.getElementsByTagName("span")[0]; + + if (span) { + if (span.textContent != null) { + span.textContent = this.options.dictFallbackMessage; + } else if (span.innerText != null) { + span.innerText = this.options.dictFallbackMessage; + } + } + + return this.element.appendChild(this.getFallbackForm()); + }, + + /** + * Gets called to calculate the thumbnail dimensions. + * + * It gets `file`, `width` and `height` (both may be `null`) as parameters and must return an object containing: + * + * - `srcWidth` & `srcHeight` (required) + * - `trgWidth` & `trgHeight` (required) + * - `srcX` & `srcY` (optional, default `0`) + * - `trgX` & `trgY` (optional, default `0`) + * + * Those values are going to be used by `ctx.drawImage()`. + */ + resize: function resize(file, width, height, resizeMethod) { + var info = { + srcX: 0, + srcY: 0, + srcWidth: file.width, + srcHeight: file.height + }; + var srcRatio = file.width / file.height; // Automatically calculate dimensions if not specified + + if (width == null && height == null) { + width = info.srcWidth; + height = info.srcHeight; + } else if (width == null) { + width = height * srcRatio; + } else if (height == null) { + height = width / srcRatio; + } // Make sure images aren't upscaled + + + width = Math.min(width, info.srcWidth); + height = Math.min(height, info.srcHeight); + var trgRatio = width / height; + + if (info.srcWidth > width || info.srcHeight > height) { + // Image is bigger and needs rescaling + if (resizeMethod === 'crop') { + if (srcRatio > trgRatio) { + info.srcHeight = file.height; + info.srcWidth = info.srcHeight * trgRatio; + } else { + info.srcWidth = file.width; + info.srcHeight = info.srcWidth / trgRatio; + } + } else if (resizeMethod === 'contain') { + // Method 'contain' + if (srcRatio > trgRatio) { + height = width / srcRatio; + } else { + width = height * srcRatio; + } + } else { + throw new Error("Unknown resizeMethod '".concat(resizeMethod, "'")); + } + } + + info.srcX = (file.width - info.srcWidth) / 2; + info.srcY = (file.height - info.srcHeight) / 2; + info.trgWidth = width; + info.trgHeight = height; + return info; + }, + + /** + * Can be used to transform the file (for example, resize an image if necessary). + * + * The default implementation uses `resizeWidth` and `resizeHeight` (if provided) and resizes + * images according to those dimensions. + * + * Gets the `file` as the first parameter, and a `done()` function as the second, that needs + * to be invoked with the file when the transformation is done. + */ + transformFile: function transformFile(file, done) { + if ((this.options.resizeWidth || this.options.resizeHeight) && file.type.match(/image.*/)) { + return this.resizeImage(file, this.options.resizeWidth, this.options.resizeHeight, this.options.resizeMethod, done); + } else { + return done(file); + } + }, + + /** + * A string that contains the template used for each dropped + * file. Change it to fulfill your needs but make sure to properly + * provide all elements. + * + * If you want to use an actual HTML element instead of providing a String + * as a config option, you could create a div with the id `tpl`, + * put the template inside it and provide the element like this: + * + * document + * .querySelector('#tpl') + * .innerHTML + * + */ + previewTemplate: "
\n
\n
\n
\n
\n
\n
\n
\n
\n \n Check\n \n \n \n \n
\n
\n \n Error\n \n \n \n \n \n \n
\n
", + // END OPTIONS + // (Required by the dropzone documentation parser) + + /* + Those functions register themselves to the events on init and handle all + the user interface specific stuff. Overwriting them won't break the upload + but can break the way it's displayed. + You can overwrite them if you don't like the default behavior. If you just + want to add an additional event handler, register it on the dropzone object + and don't overwrite those options. + */ + // Those are self explanatory and simply concern the DragnDrop. + drop: function drop(e) { + return this.element.classList.remove("dz-drag-hover"); + }, + dragstart: function dragstart(e) {}, + dragend: function dragend(e) { + return this.element.classList.remove("dz-drag-hover"); + }, + dragenter: function dragenter(e) { + return this.element.classList.add("dz-drag-hover"); + }, + dragover: function dragover(e) { + return this.element.classList.add("dz-drag-hover"); + }, + dragleave: function dragleave(e) { + return this.element.classList.remove("dz-drag-hover"); + }, + paste: function paste(e) {}, + // Called whenever there are no files left in the dropzone anymore, and the + // dropzone should be displayed as if in the initial state. + reset: function reset() { + return this.element.classList.remove("dz-started"); + }, + // Called when a file is added to the queue + // Receives `file` + addedfile: function addedfile(file) { + var _this2 = this; + + if (this.element === this.previewsContainer) { + this.element.classList.add("dz-started"); + } + + if (this.previewsContainer) { + file.previewElement = Dropzone.createElement(this.options.previewTemplate.trim()); + file.previewTemplate = file.previewElement; // Backwards compatibility + + this.previewsContainer.appendChild(file.previewElement); + + var _iterator3 = _createForOfIteratorHelper(file.previewElement.querySelectorAll("[data-dz-name]")), + _step3; + + try { + for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) { + var node = _step3.value; + node.textContent = file.name; + } + } catch (err) { + _iterator3.e(err); + } finally { + _iterator3.f(); + } + + var _iterator4 = _createForOfIteratorHelper(file.previewElement.querySelectorAll("[data-dz-size]")), + _step4; + + try { + for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) { + node = _step4.value; + node.innerHTML = this.filesize(file.size); + } + } catch (err) { + _iterator4.e(err); + } finally { + _iterator4.f(); + } + + if (this.options.addRemoveLinks) { + file._removeLink = Dropzone.createElement("".concat(this.options.dictRemoveFile, "")); + file.previewElement.appendChild(file._removeLink); + } + + var removeFileEvent = function removeFileEvent(e) { + e.preventDefault(); + e.stopPropagation(); + + if (file.status === Dropzone.UPLOADING) { + return Dropzone.confirm(_this2.options.dictCancelUploadConfirmation, function () { + return _this2.removeFile(file); + }); + } else { + if (_this2.options.dictRemoveFileConfirmation) { + return Dropzone.confirm(_this2.options.dictRemoveFileConfirmation, function () { + return _this2.removeFile(file); + }); + } else { + return _this2.removeFile(file); + } + } + }; + + var _iterator5 = _createForOfIteratorHelper(file.previewElement.querySelectorAll("[data-dz-remove]")), + _step5; + + try { + for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) { + var removeLink = _step5.value; + removeLink.addEventListener("click", removeFileEvent); + } + } catch (err) { + _iterator5.e(err); + } finally { + _iterator5.f(); + } + } + }, + // Called whenever a file is removed. + removedfile: function removedfile(file) { + if (file.previewElement != null && file.previewElement.parentNode != null) { + file.previewElement.parentNode.removeChild(file.previewElement); + } + + return this._updateMaxFilesReachedClass(); + }, + // Called when a thumbnail has been generated + // Receives `file` and `dataUrl` + thumbnail: function thumbnail(file, dataUrl) { + if (file.previewElement) { + file.previewElement.classList.remove("dz-file-preview"); + + var _iterator6 = _createForOfIteratorHelper(file.previewElement.querySelectorAll("[data-dz-thumbnail]")), + _step6; + + try { + for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) { + var thumbnailElement = _step6.value; + thumbnailElement.alt = file.name; + thumbnailElement.src = dataUrl; + } + } catch (err) { + _iterator6.e(err); + } finally { + _iterator6.f(); + } + + return setTimeout(function () { + return file.previewElement.classList.add("dz-image-preview"); + }, 1); + } + }, + // Called whenever an error occurs + // Receives `file` and `message` + error: function error(file, message) { + if (file.previewElement) { + file.previewElement.classList.add("dz-error"); + + if (typeof message !== "string" && message.error) { + message = message.error; + } + + var _iterator7 = _createForOfIteratorHelper(file.previewElement.querySelectorAll("[data-dz-errormessage]")), + _step7; + + try { + for (_iterator7.s(); !(_step7 = _iterator7.n()).done;) { + var node = _step7.value; + node.textContent = message; + } + } catch (err) { + _iterator7.e(err); + } finally { + _iterator7.f(); + } + } + }, + errormultiple: function errormultiple() {}, + // Called when a file gets processed. Since there is a cue, not all added + // files are processed immediately. + // Receives `file` + processing: function processing(file) { + if (file.previewElement) { + file.previewElement.classList.add("dz-processing"); + + if (file._removeLink) { + return file._removeLink.innerHTML = this.options.dictCancelUpload; + } + } + }, + processingmultiple: function processingmultiple() {}, + // Called whenever the upload progress gets updated. + // Receives `file`, `progress` (percentage 0-100) and `bytesSent`. + // To get the total number of bytes of the file, use `file.size` + uploadprogress: function uploadprogress(file, progress, bytesSent) { + if (file.previewElement) { + var _iterator8 = _createForOfIteratorHelper(file.previewElement.querySelectorAll("[data-dz-uploadprogress]")), + _step8; + + try { + for (_iterator8.s(); !(_step8 = _iterator8.n()).done;) { + var node = _step8.value; + node.nodeName === 'PROGRESS' ? node.value = progress : node.style.width = "".concat(progress, "%"); + } + } catch (err) { + _iterator8.e(err); + } finally { + _iterator8.f(); + } + } + }, + // Called whenever the total upload progress gets updated. + // Called with totalUploadProgress (0-100), totalBytes and totalBytesSent + totaluploadprogress: function totaluploadprogress() {}, + // Called just before the file is sent. Gets the `xhr` object as second + // parameter, so you can modify it (for example to add a CSRF token) and a + // `formData` object to add additional information. + sending: function sending() {}, + sendingmultiple: function sendingmultiple() {}, + // When the complete upload is finished and successful + // Receives `file` + success: function success(file) { + if (file.previewElement) { + return file.previewElement.classList.add("dz-success"); + } + }, + successmultiple: function successmultiple() {}, + // When the upload is canceled. + canceled: function canceled(file) { + return this.emit("error", file, this.options.dictUploadCanceled); + }, + canceledmultiple: function canceledmultiple() {}, + // When the upload is finished, either with success or an error. + // Receives `file` + complete: function complete(file) { + if (file._removeLink) { + file._removeLink.innerHTML = this.options.dictRemoveFile; + } + + if (file.previewElement) { + return file.previewElement.classList.add("dz-complete"); + } + }, + completemultiple: function completemultiple() {}, + maxfilesexceeded: function maxfilesexceeded() {}, + maxfilesreached: function maxfilesreached() {}, + queuecomplete: function queuecomplete() {}, + addedfiles: function addedfiles() {} + }; + this.prototype._thumbnailQueue = []; + this.prototype._processingThumbnail = false; + } // global utility + + }, { + key: "extend", + value: function extend(target) { + for (var _len2 = arguments.length, objects = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { + objects[_key2 - 1] = arguments[_key2]; + } + + for (var _i = 0, _objects = objects; _i < _objects.length; _i++) { + var object = _objects[_i]; + + for (var key in object) { + var val = object[key]; + target[key] = val; + } + } + + return target; + } + }]); + + function Dropzone(el, options) { + var _this; + + _classCallCheck(this, Dropzone); + + _this = _super.call(this); + var fallback, left; + _this.element = el; // For backwards compatibility since the version was in the prototype previously + + _this.version = Dropzone.version; + _this.defaultOptions.previewTemplate = _this.defaultOptions.previewTemplate.replace(/\n*/g, ""); + _this.clickableElements = []; + _this.listeners = []; + _this.files = []; // All files + + if (typeof _this.element === "string") { + _this.element = document.querySelector(_this.element); + } // Not checking if instance of HTMLElement or Element since IE9 is extremely weird. + + + if (!_this.element || _this.element.nodeType == null) { + throw new Error("Invalid dropzone element."); + } + + if (_this.element.dropzone) { + throw new Error("Dropzone already attached."); + } // Now add this dropzone to the instances. + + + Dropzone.instances.push(_assertThisInitialized(_this)); // Put the dropzone inside the element itself. + + _this.element.dropzone = _assertThisInitialized(_this); + var elementOptions = (left = Dropzone.optionsForElement(_this.element)) != null ? left : {}; + _this.options = Dropzone.extend({}, _this.defaultOptions, elementOptions, options != null ? options : {}); // If the browser failed, just call the fallback and leave + + if (_this.options.forceFallback || !Dropzone.isBrowserSupported()) { + return _possibleConstructorReturn(_this, _this.options.fallback.call(_assertThisInitialized(_this))); + } // @options.url = @element.getAttribute "action" unless @options.url? + + + if (_this.options.url == null) { + _this.options.url = _this.element.getAttribute("action"); + } + + if (!_this.options.url) { + throw new Error("No URL provided."); + } + + if (_this.options.acceptedFiles && _this.options.acceptedMimeTypes) { + throw new Error("You can't provide both 'acceptedFiles' and 'acceptedMimeTypes'. 'acceptedMimeTypes' is deprecated."); + } + + if (_this.options.uploadMultiple && _this.options.chunking) { + throw new Error('You cannot set both: uploadMultiple and chunking.'); + } // Backwards compatibility + + + if (_this.options.acceptedMimeTypes) { + _this.options.acceptedFiles = _this.options.acceptedMimeTypes; + delete _this.options.acceptedMimeTypes; + } // Backwards compatibility + + + if (_this.options.renameFilename != null) { + _this.options.renameFile = function (file) { + return _this.options.renameFilename.call(_assertThisInitialized(_this), file.name, file); + }; + } + + if (typeof _this.options.method === 'string') { + _this.options.method = _this.options.method.toUpperCase(); + } + + if ((fallback = _this.getExistingFallback()) && fallback.parentNode) { + // Remove the fallback + fallback.parentNode.removeChild(fallback); + } // Display previews in the previewsContainer element or the Dropzone element unless explicitly set to false + + + if (_this.options.previewsContainer !== false) { + if (_this.options.previewsContainer) { + _this.previewsContainer = Dropzone.getElement(_this.options.previewsContainer, "previewsContainer"); + } else { + _this.previewsContainer = _this.element; + } + } + + if (_this.options.clickable) { + if (_this.options.clickable === true) { + _this.clickableElements = [_this.element]; + } else { + _this.clickableElements = Dropzone.getElements(_this.options.clickable, "clickable"); + } + } + + _this.init(); + + return _this; + } // Returns all files that have been accepted + + + _createClass(Dropzone, [{ + key: "getAcceptedFiles", + value: function getAcceptedFiles() { + return this.files.filter(function (file) { + return file.accepted; + }).map(function (file) { + return file; + }); + } // Returns all files that have been rejected + // Not sure when that's going to be useful, but added for completeness. + + }, { + key: "getRejectedFiles", + value: function getRejectedFiles() { + return this.files.filter(function (file) { + return !file.accepted; + }).map(function (file) { + return file; + }); + } + }, { + key: "getFilesWithStatus", + value: function getFilesWithStatus(status) { + return this.files.filter(function (file) { + return file.status === status; + }).map(function (file) { + return file; + }); + } // Returns all files that are in the queue + + }, { + key: "getQueuedFiles", + value: function getQueuedFiles() { + return this.getFilesWithStatus(Dropzone.QUEUED); + } + }, { + key: "getUploadingFiles", + value: function getUploadingFiles() { + return this.getFilesWithStatus(Dropzone.UPLOADING); + } + }, { + key: "getAddedFiles", + value: function getAddedFiles() { + return this.getFilesWithStatus(Dropzone.ADDED); + } // Files that are either queued or uploading + + }, { + key: "getActiveFiles", + value: function getActiveFiles() { + return this.files.filter(function (file) { + return file.status === Dropzone.UPLOADING || file.status === Dropzone.QUEUED; + }).map(function (file) { + return file; + }); + } // The function that gets called when Dropzone is initialized. You + // can (and should) setup event listeners inside this function. + + }, { + key: "init", + value: function init() { + var _this3 = this; + + // In case it isn't set already + if (this.element.tagName === "form") { + this.element.setAttribute("enctype", "multipart/form-data"); + } + + if (this.element.classList.contains("dropzone") && !this.element.querySelector(".dz-message")) { + this.element.appendChild(Dropzone.createElement("
"))); + } + + if (this.clickableElements.length) { + var setupHiddenFileInput = function setupHiddenFileInput() { + if (_this3.hiddenFileInput) { + _this3.hiddenFileInput.parentNode.removeChild(_this3.hiddenFileInput); + } + + _this3.hiddenFileInput = document.createElement("input"); + + _this3.hiddenFileInput.setAttribute("type", "file"); + + if (_this3.options.maxFiles === null || _this3.options.maxFiles > 1) { + _this3.hiddenFileInput.setAttribute("multiple", "multiple"); + } + + _this3.hiddenFileInput.className = "dz-hidden-input"; + + if (_this3.options.acceptedFiles !== null) { + _this3.hiddenFileInput.setAttribute("accept", _this3.options.acceptedFiles); + } + + if (_this3.options.capture !== null) { + _this3.hiddenFileInput.setAttribute("capture", _this3.options.capture); + } // Not setting `display="none"` because some browsers don't accept clicks + // on elements that aren't displayed. + + + _this3.hiddenFileInput.style.visibility = "hidden"; + _this3.hiddenFileInput.style.position = "absolute"; + _this3.hiddenFileInput.style.top = "0"; + _this3.hiddenFileInput.style.left = "0"; + _this3.hiddenFileInput.style.height = "0"; + _this3.hiddenFileInput.style.width = "0"; + Dropzone.getElement(_this3.options.hiddenInputContainer, 'hiddenInputContainer').appendChild(_this3.hiddenFileInput); + return _this3.hiddenFileInput.addEventListener("change", function () { + var files = _this3.hiddenFileInput.files; + + if (files.length) { + var _iterator9 = _createForOfIteratorHelper(files), + _step9; + + try { + for (_iterator9.s(); !(_step9 = _iterator9.n()).done;) { + var file = _step9.value; + + _this3.addFile(file); + } + } catch (err) { + _iterator9.e(err); + } finally { + _iterator9.f(); + } + } + + _this3.emit("addedfiles", files); + + return setupHiddenFileInput(); + }); + }; + + setupHiddenFileInput(); + } + + this.URL = window.URL !== null ? window.URL : window.webkitURL; // Setup all event listeners on the Dropzone object itself. + // They're not in @setupEventListeners() because they shouldn't be removed + // again when the dropzone gets disabled. + + var _iterator10 = _createForOfIteratorHelper(this.events), + _step10; + + try { + for (_iterator10.s(); !(_step10 = _iterator10.n()).done;) { + var eventName = _step10.value; + this.on(eventName, this.options[eventName]); + } + } catch (err) { + _iterator10.e(err); + } finally { + _iterator10.f(); + } + + this.on("uploadprogress", function () { + return _this3.updateTotalUploadProgress(); + }); + this.on("removedfile", function () { + return _this3.updateTotalUploadProgress(); + }); + this.on("canceled", function (file) { + return _this3.emit("complete", file); + }); // Emit a `queuecomplete` event if all files finished uploading. + + this.on("complete", function (file) { + if (_this3.getAddedFiles().length === 0 && _this3.getUploadingFiles().length === 0 && _this3.getQueuedFiles().length === 0) { + // This needs to be deferred so that `queuecomplete` really triggers after `complete` + return setTimeout(function () { + return _this3.emit("queuecomplete"); + }, 0); + } + }); + + var containsFiles = function containsFiles(e) { + if (e.dataTransfer.types) { + // Because e.dataTransfer.types is an Object in + // IE, we need to iterate like this instead of + // using e.dataTransfer.types.some() + for (var i = 0; i < e.dataTransfer.types.length; i++) { + if (e.dataTransfer.types[i] === "Files") return true; + } + } + + return false; + }; + + var noPropagation = function noPropagation(e) { + // If there are no files, we don't want to stop + // propagation so we don't interfere with other + // drag and drop behaviour. + if (!containsFiles(e)) return; + e.stopPropagation(); + + if (e.preventDefault) { + return e.preventDefault(); + } else { + return e.returnValue = false; + } + }; // Create the listeners + + + this.listeners = [{ + element: this.element, + events: { + "dragstart": function dragstart(e) { + return _this3.emit("dragstart", e); + }, + "dragenter": function dragenter(e) { + noPropagation(e); + return _this3.emit("dragenter", e); + }, + "dragover": function dragover(e) { + // Makes it possible to drag files from chrome's download bar + // http://stackoverflow.com/questions/19526430/drag-and-drop-file-uploads-from-chrome-downloads-bar + // Try is required to prevent bug in Internet Explorer 11 (SCRIPT65535 exception) + var efct; + + try { + efct = e.dataTransfer.effectAllowed; + } catch (error) {} + + e.dataTransfer.dropEffect = 'move' === efct || 'linkMove' === efct ? 'move' : 'copy'; + noPropagation(e); + return _this3.emit("dragover", e); + }, + "dragleave": function dragleave(e) { + return _this3.emit("dragleave", e); + }, + "drop": function drop(e) { + noPropagation(e); + return _this3.drop(e); + }, + "dragend": function dragend(e) { + return _this3.emit("dragend", e); + } + } // This is disabled right now, because the browsers don't implement it properly. + // "paste": (e) => + // noPropagation e + // @paste e + + }]; + this.clickableElements.forEach(function (clickableElement) { + return _this3.listeners.push({ + element: clickableElement, + events: { + "click": function click(evt) { + // Only the actual dropzone or the message element should trigger file selection + if (clickableElement !== _this3.element || evt.target === _this3.element || Dropzone.elementInside(evt.target, _this3.element.querySelector(".dz-message"))) { + _this3.hiddenFileInput.click(); // Forward the click + + } + + return true; + } + } + }); + }); + this.enable(); + return this.options.init.call(this); + } // Not fully tested yet + + }, { + key: "destroy", + value: function destroy() { + this.disable(); + this.removeAllFiles(true); + + if (this.hiddenFileInput != null ? this.hiddenFileInput.parentNode : undefined) { + this.hiddenFileInput.parentNode.removeChild(this.hiddenFileInput); + this.hiddenFileInput = null; + } + + delete this.element.dropzone; + return Dropzone.instances.splice(Dropzone.instances.indexOf(this), 1); + } + }, { + key: "updateTotalUploadProgress", + value: function updateTotalUploadProgress() { + var totalUploadProgress; + var totalBytesSent = 0; + var totalBytes = 0; + var activeFiles = this.getActiveFiles(); + + if (activeFiles.length) { + var _iterator11 = _createForOfIteratorHelper(this.getActiveFiles()), + _step11; + + try { + for (_iterator11.s(); !(_step11 = _iterator11.n()).done;) { + var file = _step11.value; + totalBytesSent += file.upload.bytesSent; + totalBytes += file.upload.total; + } + } catch (err) { + _iterator11.e(err); + } finally { + _iterator11.f(); + } + + totalUploadProgress = 100 * totalBytesSent / totalBytes; + } else { + totalUploadProgress = 100; + } + + return this.emit("totaluploadprogress", totalUploadProgress, totalBytes, totalBytesSent); + } // @options.paramName can be a function taking one parameter rather than a string. + // A parameter name for a file is obtained simply by calling this with an index number. + + }, { + key: "_getParamName", + value: function _getParamName(n) { + if (typeof this.options.paramName === "function") { + return this.options.paramName(n); + } else { + return "".concat(this.options.paramName).concat(this.options.uploadMultiple ? "[".concat(n, "]") : ""); + } + } // If @options.renameFile is a function, + // the function will be used to rename the file.name before appending it to the formData + + }, { + key: "_renameFile", + value: function _renameFile(file) { + if (typeof this.options.renameFile !== "function") { + return file.name; + } + + return this.options.renameFile(file); + } // Returns a form that can be used as fallback if the browser does not support DragnDrop + // + // If the dropzone is already a form, only the input field and button are returned. Otherwise a complete form element is provided. + // This code has to pass in IE7 :( + + }, { + key: "getFallbackForm", + value: function getFallbackForm() { + var existingFallback, form; + + if (existingFallback = this.getExistingFallback()) { + return existingFallback; + } + + var fieldsString = "
"; + + if (this.options.dictFallbackText) { + fieldsString += "

".concat(this.options.dictFallbackText, "

"); + } + + fieldsString += "
"); + var fields = Dropzone.createElement(fieldsString); + + if (this.element.tagName !== "FORM") { + form = Dropzone.createElement("
")); + form.appendChild(fields); + } else { + // Make sure that the enctype and method attributes are set properly + this.element.setAttribute("enctype", "multipart/form-data"); + this.element.setAttribute("method", this.options.method); + } + + return form != null ? form : fields; + } // Returns the fallback elements if they exist already + // + // This code has to pass in IE7 :( + + }, { + key: "getExistingFallback", + value: function getExistingFallback() { + var getFallback = function getFallback(elements) { + var _iterator12 = _createForOfIteratorHelper(elements), + _step12; + + try { + for (_iterator12.s(); !(_step12 = _iterator12.n()).done;) { + var el = _step12.value; + + if (/(^| )fallback($| )/.test(el.className)) { + return el; + } + } + } catch (err) { + _iterator12.e(err); + } finally { + _iterator12.f(); + } + }; + + for (var _i2 = 0, _arr = ["div", "form"]; _i2 < _arr.length; _i2++) { + var tagName = _arr[_i2]; + var fallback; + + if (fallback = getFallback(this.element.getElementsByTagName(tagName))) { + return fallback; + } + } + } // Activates all listeners stored in @listeners + + }, { + key: "setupEventListeners", + value: function setupEventListeners() { + return this.listeners.map(function (elementListeners) { + return function () { + var result = []; + + for (var event in elementListeners.events) { + var listener = elementListeners.events[event]; + result.push(elementListeners.element.addEventListener(event, listener, false)); + } + + return result; + }(); + }); + } // Deactivates all listeners stored in @listeners + + }, { + key: "removeEventListeners", + value: function removeEventListeners() { + return this.listeners.map(function (elementListeners) { + return function () { + var result = []; + + for (var event in elementListeners.events) { + var listener = elementListeners.events[event]; + result.push(elementListeners.element.removeEventListener(event, listener, false)); + } + + return result; + }(); + }); + } // Removes all event listeners and cancels all files in the queue or being processed. + + }, { + key: "disable", + value: function disable() { + var _this4 = this; + + this.clickableElements.forEach(function (element) { + return element.classList.remove("dz-clickable"); + }); + this.removeEventListeners(); + this.disabled = true; + return this.files.map(function (file) { + return _this4.cancelUpload(file); + }); + } + }, { + key: "enable", + value: function enable() { + delete this.disabled; + this.clickableElements.forEach(function (element) { + return element.classList.add("dz-clickable"); + }); + return this.setupEventListeners(); + } // Returns a nicely formatted filesize + + }, { + key: "filesize", + value: function filesize(size) { + var selectedSize = 0; + var selectedUnit = "b"; + + if (size > 0) { + var units = ['tb', 'gb', 'mb', 'kb', 'b']; + + for (var i = 0; i < units.length; i++) { + var unit = units[i]; + var cutoff = Math.pow(this.options.filesizeBase, 4 - i) / 10; + + if (size >= cutoff) { + selectedSize = size / Math.pow(this.options.filesizeBase, 4 - i); + selectedUnit = unit; + break; + } + } + + selectedSize = Math.round(10 * selectedSize) / 10; // Cutting of digits + } + + return "".concat(selectedSize, " ").concat(this.options.dictFileSizeUnits[selectedUnit]); + } // Adds or removes the `dz-max-files-reached` class from the form. + + }, { + key: "_updateMaxFilesReachedClass", + value: function _updateMaxFilesReachedClass() { + if (this.options.maxFiles != null && this.getAcceptedFiles().length >= this.options.maxFiles) { + if (this.getAcceptedFiles().length === this.options.maxFiles) { + this.emit('maxfilesreached', this.files); + } + + return this.element.classList.add("dz-max-files-reached"); + } else { + return this.element.classList.remove("dz-max-files-reached"); + } + } + }, { + key: "drop", + value: function drop(e) { + if (!e.dataTransfer) { + return; + } + + this.emit("drop", e); // Convert the FileList to an Array + // This is necessary for IE11 + + var files = []; + + for (var i = 0; i < e.dataTransfer.files.length; i++) { + files[i] = e.dataTransfer.files[i]; + } // Even if it's a folder, files.length will contain the folders. + + + if (files.length) { + var items = e.dataTransfer.items; + + if (items && items.length && items[0].webkitGetAsEntry != null) { + // The browser supports dropping of folders, so handle items instead of files + this._addFilesFromItems(items); + } else { + this.handleFiles(files); + } + } + + this.emit("addedfiles", files); + } + }, { + key: "paste", + value: function paste(e) { + if (__guard__(e != null ? e.clipboardData : undefined, function (x) { + return x.items; + }) == null) { + return; + } + + this.emit("paste", e); + var items = e.clipboardData.items; + + if (items.length) { + return this._addFilesFromItems(items); + } + } + }, { + key: "handleFiles", + value: function handleFiles(files) { + var _iterator13 = _createForOfIteratorHelper(files), + _step13; + + try { + for (_iterator13.s(); !(_step13 = _iterator13.n()).done;) { + var file = _step13.value; + this.addFile(file); + } + } catch (err) { + _iterator13.e(err); + } finally { + _iterator13.f(); + } + } // When a folder is dropped (or files are pasted), items must be handled + // instead of files. + + }, { + key: "_addFilesFromItems", + value: function _addFilesFromItems(items) { + var _this5 = this; + + return function () { + var result = []; + + var _iterator14 = _createForOfIteratorHelper(items), + _step14; + + try { + for (_iterator14.s(); !(_step14 = _iterator14.n()).done;) { + var item = _step14.value; + var entry; + + if (item.webkitGetAsEntry != null && (entry = item.webkitGetAsEntry())) { + if (entry.isFile) { + result.push(_this5.addFile(item.getAsFile())); + } else if (entry.isDirectory) { + // Append all files from that directory to files + result.push(_this5._addFilesFromDirectory(entry, entry.name)); + } else { + result.push(undefined); + } + } else if (item.getAsFile != null) { + if (item.kind == null || item.kind === "file") { + result.push(_this5.addFile(item.getAsFile())); + } else { + result.push(undefined); + } + } else { + result.push(undefined); + } + } + } catch (err) { + _iterator14.e(err); + } finally { + _iterator14.f(); + } + + return result; + }(); + } // Goes through the directory, and adds each file it finds recursively + + }, { + key: "_addFilesFromDirectory", + value: function _addFilesFromDirectory(directory, path) { + var _this6 = this; + + var dirReader = directory.createReader(); + + var errorHandler = function errorHandler(error) { + return __guardMethod__(console, 'log', function (o) { + return o.log(error); + }); + }; + + var readEntries = function readEntries() { + return dirReader.readEntries(function (entries) { + if (entries.length > 0) { + var _iterator15 = _createForOfIteratorHelper(entries), + _step15; + + try { + for (_iterator15.s(); !(_step15 = _iterator15.n()).done;) { + var entry = _step15.value; + + if (entry.isFile) { + entry.file(function (file) { + if (_this6.options.ignoreHiddenFiles && file.name.substring(0, 1) === '.') { + return; + } + + file.fullPath = "".concat(path, "/").concat(file.name); + return _this6.addFile(file); + }); + } else if (entry.isDirectory) { + _this6._addFilesFromDirectory(entry, "".concat(path, "/").concat(entry.name)); + } + } // Recursively call readEntries() again, since browser only handle + // the first 100 entries. + // See: https://developer.mozilla.org/en-US/docs/Web/API/DirectoryReader#readEntries + + } catch (err) { + _iterator15.e(err); + } finally { + _iterator15.f(); + } + + readEntries(); + } + + return null; + }, errorHandler); + }; + + return readEntries(); + } // If `done()` is called without argument the file is accepted + // If you call it with an error message, the file is rejected + // (This allows for asynchronous validation) + // + // This function checks the filesize, and if the file.type passes the + // `acceptedFiles` check. + + }, { + key: "accept", + value: function accept(file, done) { + if (this.options.maxFilesize && file.size > this.options.maxFilesize * 1024 * 1024) { + done(this.options.dictFileTooBig.replace("{{filesize}}", Math.round(file.size / 1024 / 10.24) / 100).replace("{{maxFilesize}}", this.options.maxFilesize)); + } else if (!Dropzone.isValidFile(file, this.options.acceptedFiles)) { + done(this.options.dictInvalidFileType); + } else if (this.options.maxFiles != null && this.getAcceptedFiles().length >= this.options.maxFiles) { + done(this.options.dictMaxFilesExceeded.replace("{{maxFiles}}", this.options.maxFiles)); + this.emit("maxfilesexceeded", file); + } else { + this.options.accept.call(this, file, done); + } + } + }, { + key: "addFile", + value: function addFile(file) { + var _this7 = this; + + file.upload = { + uuid: Dropzone.uuidv4(), + progress: 0, + // Setting the total upload size to file.size for the beginning + // It's actual different than the size to be transmitted. + total: file.size, + bytesSent: 0, + filename: this._renameFile(file) // Not setting chunking information here, because the acutal data — and + // thus the chunks — might change if `options.transformFile` is set + // and does something to the data. + + }; + this.files.push(file); + file.status = Dropzone.ADDED; + this.emit("addedfile", file); + + this._enqueueThumbnail(file); + + this.accept(file, function (error) { + if (error) { + file.accepted = false; + + _this7._errorProcessing([file], error); // Will set the file.status + + } else { + file.accepted = true; + + if (_this7.options.autoQueue) { + _this7.enqueueFile(file); + } // Will set .accepted = true + + } + + _this7._updateMaxFilesReachedClass(); + }); + } // Wrapper for enqueueFile + + }, { + key: "enqueueFiles", + value: function enqueueFiles(files) { + var _iterator16 = _createForOfIteratorHelper(files), + _step16; + + try { + for (_iterator16.s(); !(_step16 = _iterator16.n()).done;) { + var file = _step16.value; + this.enqueueFile(file); + } + } catch (err) { + _iterator16.e(err); + } finally { + _iterator16.f(); + } + + return null; + } + }, { + key: "enqueueFile", + value: function enqueueFile(file) { + var _this8 = this; + + if (file.status === Dropzone.ADDED && file.accepted === true) { + file.status = Dropzone.QUEUED; + + if (this.options.autoProcessQueue) { + return setTimeout(function () { + return _this8.processQueue(); + }, 0); // Deferring the call + } + } else { + throw new Error("This file can't be queued because it has already been processed or was rejected."); + } + } + }, { + key: "_enqueueThumbnail", + value: function _enqueueThumbnail(file) { + var _this9 = this; + + if (this.options.createImageThumbnails && file.type.match(/image.*/) && file.size <= this.options.maxThumbnailFilesize * 1024 * 1024) { + this._thumbnailQueue.push(file); + + return setTimeout(function () { + return _this9._processThumbnailQueue(); + }, 0); // Deferring the call + } + } + }, { + key: "_processThumbnailQueue", + value: function _processThumbnailQueue() { + var _this10 = this; + + if (this._processingThumbnail || this._thumbnailQueue.length === 0) { + return; + } + + this._processingThumbnail = true; + + var file = this._thumbnailQueue.shift(); + + return this.createThumbnail(file, this.options.thumbnailWidth, this.options.thumbnailHeight, this.options.thumbnailMethod, true, function (dataUrl) { + _this10.emit("thumbnail", file, dataUrl); + + _this10._processingThumbnail = false; + return _this10._processThumbnailQueue(); + }); + } // Can be called by the user to remove a file + + }, { + key: "removeFile", + value: function removeFile(file) { + if (file.status === Dropzone.UPLOADING) { + this.cancelUpload(file); + } + + this.files = without(this.files, file); + this.emit("removedfile", file); + + if (this.files.length === 0) { + return this.emit("reset"); + } + } // Removes all files that aren't currently processed from the list + + }, { + key: "removeAllFiles", + value: function removeAllFiles(cancelIfNecessary) { + // Create a copy of files since removeFile() changes the @files array. + if (cancelIfNecessary == null) { + cancelIfNecessary = false; + } + + var _iterator17 = _createForOfIteratorHelper(this.files.slice()), + _step17; + + try { + for (_iterator17.s(); !(_step17 = _iterator17.n()).done;) { + var file = _step17.value; + + if (file.status !== Dropzone.UPLOADING || cancelIfNecessary) { + this.removeFile(file); + } + } + } catch (err) { + _iterator17.e(err); + } finally { + _iterator17.f(); + } + + return null; + } // Resizes an image before it gets sent to the server. This function is the default behavior of + // `options.transformFile` if `resizeWidth` or `resizeHeight` are set. The callback is invoked with + // the resized blob. + + }, { + key: "resizeImage", + value: function resizeImage(file, width, height, resizeMethod, callback) { + var _this11 = this; + + return this.createThumbnail(file, width, height, resizeMethod, true, function (dataUrl, canvas) { + if (canvas == null) { + // The image has not been resized + return callback(file); + } else { + var resizeMimeType = _this11.options.resizeMimeType; + + if (resizeMimeType == null) { + resizeMimeType = file.type; + } + + var resizedDataURL = canvas.toDataURL(resizeMimeType, _this11.options.resizeQuality); + + if (resizeMimeType === 'image/jpeg' || resizeMimeType === 'image/jpg') { + // Now add the original EXIF information + resizedDataURL = ExifRestore.restore(file.dataURL, resizedDataURL); + } + + return callback(Dropzone.dataURItoBlob(resizedDataURL)); + } + }); + } + }, { + key: "createThumbnail", + value: function createThumbnail(file, width, height, resizeMethod, fixOrientation, callback) { + var _this12 = this; + + var fileReader = new FileReader(); + + fileReader.onload = function () { + file.dataURL = fileReader.result; // Don't bother creating a thumbnail for SVG images since they're vector + + if (file.type === "image/svg+xml") { + if (callback != null) { + callback(fileReader.result); + } + + return; + } + + _this12.createThumbnailFromUrl(file, width, height, resizeMethod, fixOrientation, callback); + }; + + fileReader.readAsDataURL(file); + } // `mockFile` needs to have these attributes: + // + // { name: 'name', size: 12345, imageUrl: '' } + // + // `callback` will be invoked when the image has been downloaded and displayed. + // `crossOrigin` will be added to the `img` tag when accessing the file. + + }, { + key: "displayExistingFile", + value: function displayExistingFile(mockFile, imageUrl, callback, crossOrigin) { + var _this13 = this; + + var resizeThumbnail = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : true; + this.emit("addedfile", mockFile); + this.emit("complete", mockFile); + + if (!resizeThumbnail) { + this.emit("thumbnail", mockFile, imageUrl); + if (callback) callback(); + } else { + var onDone = function onDone(thumbnail) { + _this13.emit('thumbnail', mockFile, thumbnail); + + if (callback) callback(); + }; + + mockFile.dataURL = imageUrl; + this.createThumbnailFromUrl(mockFile, this.options.thumbnailWidth, this.options.thumbnailHeight, this.options.resizeMethod, this.options.fixOrientation, onDone, crossOrigin); + } + } + }, { + key: "createThumbnailFromUrl", + value: function createThumbnailFromUrl(file, width, height, resizeMethod, fixOrientation, callback, crossOrigin) { + var _this14 = this; + + // Not using `new Image` here because of a bug in latest Chrome versions. + // See https://github.com/enyo/dropzone/pull/226 + var img = document.createElement("img"); + + if (crossOrigin) { + img.crossOrigin = crossOrigin; + } // fixOrientation is not needed anymore with browsers handling imageOrientation + + + fixOrientation = getComputedStyle(document.body)['imageOrientation'] == 'from-image' ? false : fixOrientation; + + img.onload = function () { + var loadExif = function loadExif(callback) { + return callback(1); + }; + + if (typeof EXIF !== 'undefined' && EXIF !== null && fixOrientation) { + loadExif = function loadExif(callback) { + return EXIF.getData(img, function () { + return callback(EXIF.getTag(this, 'Orientation')); + }); + }; + } + + return loadExif(function (orientation) { + file.width = img.width; + file.height = img.height; + + var resizeInfo = _this14.options.resize.call(_this14, file, width, height, resizeMethod); + + var canvas = document.createElement("canvas"); + var ctx = canvas.getContext("2d"); + canvas.width = resizeInfo.trgWidth; + canvas.height = resizeInfo.trgHeight; + + if (orientation > 4) { + canvas.width = resizeInfo.trgHeight; + canvas.height = resizeInfo.trgWidth; + } + + switch (orientation) { + case 2: + // horizontal flip + ctx.translate(canvas.width, 0); + ctx.scale(-1, 1); + break; + + case 3: + // 180° rotate left + ctx.translate(canvas.width, canvas.height); + ctx.rotate(Math.PI); + break; + + case 4: + // vertical flip + ctx.translate(0, canvas.height); + ctx.scale(1, -1); + break; + + case 5: + // vertical flip + 90 rotate right + ctx.rotate(0.5 * Math.PI); + ctx.scale(1, -1); + break; + + case 6: + // 90° rotate right + ctx.rotate(0.5 * Math.PI); + ctx.translate(0, -canvas.width); + break; + + case 7: + // horizontal flip + 90 rotate right + ctx.rotate(0.5 * Math.PI); + ctx.translate(canvas.height, -canvas.width); + ctx.scale(-1, 1); + break; + + case 8: + // 90° rotate left + ctx.rotate(-0.5 * Math.PI); + ctx.translate(-canvas.height, 0); + break; + } // This is a bugfix for iOS' scaling bug. + + + drawImageIOSFix(ctx, img, resizeInfo.srcX != null ? resizeInfo.srcX : 0, resizeInfo.srcY != null ? resizeInfo.srcY : 0, resizeInfo.srcWidth, resizeInfo.srcHeight, resizeInfo.trgX != null ? resizeInfo.trgX : 0, resizeInfo.trgY != null ? resizeInfo.trgY : 0, resizeInfo.trgWidth, resizeInfo.trgHeight); + var thumbnail = canvas.toDataURL("image/png"); + + if (callback != null) { + return callback(thumbnail, canvas); + } + }); + }; + + if (callback != null) { + img.onerror = callback; + } + + return img.src = file.dataURL; + } // Goes through the queue and processes files if there aren't too many already. + + }, { + key: "processQueue", + value: function processQueue() { + var parallelUploads = this.options.parallelUploads; + var processingLength = this.getUploadingFiles().length; + var i = processingLength; // There are already at least as many files uploading than should be + + if (processingLength >= parallelUploads) { + return; + } + + var queuedFiles = this.getQueuedFiles(); + + if (!(queuedFiles.length > 0)) { + return; + } + + if (this.options.uploadMultiple) { + // The files should be uploaded in one request + return this.processFiles(queuedFiles.slice(0, parallelUploads - processingLength)); + } else { + while (i < parallelUploads) { + if (!queuedFiles.length) { + return; + } // Nothing left to process + + + this.processFile(queuedFiles.shift()); + i++; + } + } + } // Wrapper for `processFiles` + + }, { + key: "processFile", + value: function processFile(file) { + return this.processFiles([file]); + } // Loads the file, then calls finishedLoading() + + }, { + key: "processFiles", + value: function processFiles(files) { + var _iterator18 = _createForOfIteratorHelper(files), + _step18; + + try { + for (_iterator18.s(); !(_step18 = _iterator18.n()).done;) { + var file = _step18.value; + file.processing = true; // Backwards compatibility + + file.status = Dropzone.UPLOADING; + this.emit("processing", file); + } + } catch (err) { + _iterator18.e(err); + } finally { + _iterator18.f(); + } + + if (this.options.uploadMultiple) { + this.emit("processingmultiple", files); + } + + return this.uploadFiles(files); + } + }, { + key: "_getFilesWithXhr", + value: function _getFilesWithXhr(xhr) { + var files; + return files = this.files.filter(function (file) { + return file.xhr === xhr; + }).map(function (file) { + return file; + }); + } // Cancels the file upload and sets the status to CANCELED + // **if** the file is actually being uploaded. + // If it's still in the queue, the file is being removed from it and the status + // set to CANCELED. + + }, { + key: "cancelUpload", + value: function cancelUpload(file) { + if (file.status === Dropzone.UPLOADING) { + var groupedFiles = this._getFilesWithXhr(file.xhr); + + var _iterator19 = _createForOfIteratorHelper(groupedFiles), + _step19; + + try { + for (_iterator19.s(); !(_step19 = _iterator19.n()).done;) { + var groupedFile = _step19.value; + groupedFile.status = Dropzone.CANCELED; + } + } catch (err) { + _iterator19.e(err); + } finally { + _iterator19.f(); + } + + if (typeof file.xhr !== 'undefined') { + file.xhr.abort(); + } + + var _iterator20 = _createForOfIteratorHelper(groupedFiles), + _step20; + + try { + for (_iterator20.s(); !(_step20 = _iterator20.n()).done;) { + var _groupedFile = _step20.value; + this.emit("canceled", _groupedFile); + } + } catch (err) { + _iterator20.e(err); + } finally { + _iterator20.f(); + } + + if (this.options.uploadMultiple) { + this.emit("canceledmultiple", groupedFiles); + } + } else if (file.status === Dropzone.ADDED || file.status === Dropzone.QUEUED) { + file.status = Dropzone.CANCELED; + this.emit("canceled", file); + + if (this.options.uploadMultiple) { + this.emit("canceledmultiple", [file]); + } + } + + if (this.options.autoProcessQueue) { + return this.processQueue(); + } + } + }, { + key: "resolveOption", + value: function resolveOption(option) { + if (typeof option === 'function') { + for (var _len3 = arguments.length, args = new Array(_len3 > 1 ? _len3 - 1 : 0), _key3 = 1; _key3 < _len3; _key3++) { + args[_key3 - 1] = arguments[_key3]; + } + + return option.apply(this, args); + } + + return option; + } + }, { + key: "uploadFile", + value: function uploadFile(file) { + return this.uploadFiles([file]); + } + }, { + key: "uploadFiles", + value: function uploadFiles(files) { + var _this15 = this; + + this._transformFiles(files, function (transformedFiles) { + if (_this15.options.chunking) { + // Chunking is not allowed to be used with `uploadMultiple` so we know + // that there is only __one__file. + var transformedFile = transformedFiles[0]; + files[0].upload.chunked = _this15.options.chunking && (_this15.options.forceChunking || transformedFile.size > _this15.options.chunkSize); + files[0].upload.totalChunkCount = Math.ceil(transformedFile.size / _this15.options.chunkSize); + } + + if (files[0].upload.chunked) { + // This file should be sent in chunks! + // If the chunking option is set, we **know** that there can only be **one** file, since + // uploadMultiple is not allowed with this option. + var file = files[0]; + var _transformedFile = transformedFiles[0]; + var startedChunkCount = 0; + file.upload.chunks = []; + + var handleNextChunk = function handleNextChunk() { + var chunkIndex = 0; // Find the next item in file.upload.chunks that is not defined yet. + + while (file.upload.chunks[chunkIndex] !== undefined) { + chunkIndex++; + } // This means, that all chunks have already been started. + + + if (chunkIndex >= file.upload.totalChunkCount) return; + startedChunkCount++; + var start = chunkIndex * _this15.options.chunkSize; + var end = Math.min(start + _this15.options.chunkSize, _transformedFile.size); + var dataBlock = { + name: _this15._getParamName(0), + data: _transformedFile.webkitSlice ? _transformedFile.webkitSlice(start, end) : _transformedFile.slice(start, end), + filename: file.upload.filename, + chunkIndex: chunkIndex + }; + file.upload.chunks[chunkIndex] = { + file: file, + index: chunkIndex, + dataBlock: dataBlock, + // In case we want to retry. + status: Dropzone.UPLOADING, + progress: 0, + retries: 0 // The number of times this block has been retried. + + }; + + _this15._uploadData(files, [dataBlock]); + }; + + file.upload.finishedChunkUpload = function (chunk) { + var allFinished = true; + chunk.status = Dropzone.SUCCESS; // Clear the data from the chunk + + chunk.dataBlock = null; // Leaving this reference to xhr intact here will cause memory leaks in some browsers + + chunk.xhr = null; + + for (var i = 0; i < file.upload.totalChunkCount; i++) { + if (file.upload.chunks[i] === undefined) { + return handleNextChunk(); + } + + if (file.upload.chunks[i].status !== Dropzone.SUCCESS) { + allFinished = false; + } + } + + if (allFinished) { + _this15.options.chunksUploaded(file, function () { + _this15._finished(files, '', null); + }); + } + }; + + if (_this15.options.parallelChunkUploads) { + for (var i = 0; i < file.upload.totalChunkCount; i++) { + handleNextChunk(); + } + } else { + handleNextChunk(); + } + } else { + var dataBlocks = []; + + for (var _i3 = 0; _i3 < files.length; _i3++) { + dataBlocks[_i3] = { + name: _this15._getParamName(_i3), + data: transformedFiles[_i3], + filename: files[_i3].upload.filename + }; + } + + _this15._uploadData(files, dataBlocks); + } + }); + } /// Returns the right chunk for given file and xhr + + }, { + key: "_getChunk", + value: function _getChunk(file, xhr) { + for (var i = 0; i < file.upload.totalChunkCount; i++) { + if (file.upload.chunks[i] !== undefined && file.upload.chunks[i].xhr === xhr) { + return file.upload.chunks[i]; + } + } + } // This function actually uploads the file(s) to the server. + // If dataBlocks contains the actual data to upload (meaning, that this could either be transformed + // files, or individual chunks for chunked upload). + + }, { + key: "_uploadData", + value: function _uploadData(files, dataBlocks) { + var _this16 = this; + + var xhr = new XMLHttpRequest(); // Put the xhr object in the file objects to be able to reference it later. + + var _iterator21 = _createForOfIteratorHelper(files), + _step21; + + try { + for (_iterator21.s(); !(_step21 = _iterator21.n()).done;) { + var file = _step21.value; + file.xhr = xhr; + } + } catch (err) { + _iterator21.e(err); + } finally { + _iterator21.f(); + } + + if (files[0].upload.chunked) { + // Put the xhr object in the right chunk object, so it can be associated later, and found with _getChunk + files[0].upload.chunks[dataBlocks[0].chunkIndex].xhr = xhr; + } + + var method = this.resolveOption(this.options.method, files); + var url = this.resolveOption(this.options.url, files); + xhr.open(method, url, true); // Setting the timeout after open because of IE11 issue: https://gitlab.com/meno/dropzone/issues/8 + + xhr.timeout = this.resolveOption(this.options.timeout, files); // Has to be after `.open()`. See https://github.com/enyo/dropzone/issues/179 + + xhr.withCredentials = !!this.options.withCredentials; + + xhr.onload = function (e) { + _this16._finishedUploading(files, xhr, e); + }; + + xhr.ontimeout = function () { + _this16._handleUploadError(files, xhr, "Request timedout after ".concat(_this16.options.timeout / 1000, " seconds")); + }; + + xhr.onerror = function () { + _this16._handleUploadError(files, xhr); + }; // Some browsers do not have the .upload property + + + var progressObj = xhr.upload != null ? xhr.upload : xhr; + + progressObj.onprogress = function (e) { + return _this16._updateFilesUploadProgress(files, xhr, e); + }; + + var headers = { + "Accept": "application/json", + "Cache-Control": "no-cache", + "X-Requested-With": "XMLHttpRequest" + }; + + if (this.options.headers) { + Dropzone.extend(headers, this.options.headers); + } + + for (var headerName in headers) { + var headerValue = headers[headerName]; + + if (headerValue) { + xhr.setRequestHeader(headerName, headerValue); + } + } + + var formData = new FormData(); // Adding all @options parameters + + if (this.options.params) { + var additionalParams = this.options.params; + + if (typeof additionalParams === 'function') { + additionalParams = additionalParams.call(this, files, xhr, files[0].upload.chunked ? this._getChunk(files[0], xhr) : null); + } + + for (var key in additionalParams) { + var value = additionalParams[key]; + + if (Array.isArray(value)) { + // The additional parameter contains an array, + // so lets iterate over it to attach each value + // individually. + for (var i = 0; i < value.length; i++) { + formData.append(key, value[i]); + } + } else { + formData.append(key, value); + } + } + } // Let the user add additional data if necessary + + + var _iterator22 = _createForOfIteratorHelper(files), + _step22; + + try { + for (_iterator22.s(); !(_step22 = _iterator22.n()).done;) { + var _file = _step22.value; + this.emit("sending", _file, xhr, formData); + } + } catch (err) { + _iterator22.e(err); + } finally { + _iterator22.f(); + } + + if (this.options.uploadMultiple) { + this.emit("sendingmultiple", files, xhr, formData); + } + + this._addFormElementData(formData); // Finally add the files + // Has to be last because some servers (eg: S3) expect the file to be the last parameter + + + for (var _i4 = 0; _i4 < dataBlocks.length; _i4++) { + var dataBlock = dataBlocks[_i4]; + formData.append(dataBlock.name, dataBlock.data, dataBlock.filename); + } + + this.submitRequest(xhr, formData, files); + } // Transforms all files with this.options.transformFile and invokes done with the transformed files when done. + + }, { + key: "_transformFiles", + value: function _transformFiles(files, done) { + var _this17 = this; + + var transformedFiles = []; // Clumsy way of handling asynchronous calls, until I get to add a proper Future library. + + var doneCounter = 0; + + var _loop = function _loop(i) { + _this17.options.transformFile.call(_this17, files[i], function (transformedFile) { + transformedFiles[i] = transformedFile; + + if (++doneCounter === files.length) { + done(transformedFiles); + } + }); + }; + + for (var i = 0; i < files.length; i++) { + _loop(i); + } + } // Takes care of adding other input elements of the form to the AJAX request + + }, { + key: "_addFormElementData", + value: function _addFormElementData(formData) { + // Take care of other input elements + if (this.element.tagName === "FORM") { + var _iterator23 = _createForOfIteratorHelper(this.element.querySelectorAll("input, textarea, select, button")), + _step23; + + try { + for (_iterator23.s(); !(_step23 = _iterator23.n()).done;) { + var input = _step23.value; + var inputName = input.getAttribute("name"); + var inputType = input.getAttribute("type"); + if (inputType) inputType = inputType.toLowerCase(); // If the input doesn't have a name, we can't use it. + + if (typeof inputName === 'undefined' || inputName === null) continue; + + if (input.tagName === "SELECT" && input.hasAttribute("multiple")) { + // Possibly multiple values + var _iterator24 = _createForOfIteratorHelper(input.options), + _step24; + + try { + for (_iterator24.s(); !(_step24 = _iterator24.n()).done;) { + var option = _step24.value; + + if (option.selected) { + formData.append(inputName, option.value); + } + } + } catch (err) { + _iterator24.e(err); + } finally { + _iterator24.f(); + } + } else if (!inputType || inputType !== "checkbox" && inputType !== "radio" || input.checked) { + formData.append(inputName, input.value); + } + } + } catch (err) { + _iterator23.e(err); + } finally { + _iterator23.f(); + } + } + } // Invoked when there is new progress information about given files. + // If e is not provided, it is assumed that the upload is finished. + + }, { + key: "_updateFilesUploadProgress", + value: function _updateFilesUploadProgress(files, xhr, e) { + var progress; + + if (typeof e !== 'undefined') { + progress = 100 * e.loaded / e.total; + + if (files[0].upload.chunked) { + var file = files[0]; // Since this is a chunked upload, we need to update the appropriate chunk progress. + + var chunk = this._getChunk(file, xhr); + + chunk.progress = progress; + chunk.total = e.total; + chunk.bytesSent = e.loaded; + var fileProgress = 0, + fileTotal, + fileBytesSent; + file.upload.progress = 0; + file.upload.total = 0; + file.upload.bytesSent = 0; + + for (var i = 0; i < file.upload.totalChunkCount; i++) { + if (file.upload.chunks[i] !== undefined && file.upload.chunks[i].progress !== undefined) { + file.upload.progress += file.upload.chunks[i].progress; + file.upload.total += file.upload.chunks[i].total; + file.upload.bytesSent += file.upload.chunks[i].bytesSent; + } + } + + file.upload.progress = file.upload.progress / file.upload.totalChunkCount; + } else { + var _iterator25 = _createForOfIteratorHelper(files), + _step25; + + try { + for (_iterator25.s(); !(_step25 = _iterator25.n()).done;) { + var _file2 = _step25.value; + _file2.upload.progress = progress; + _file2.upload.total = e.total; + _file2.upload.bytesSent = e.loaded; + } + } catch (err) { + _iterator25.e(err); + } finally { + _iterator25.f(); + } + } + + var _iterator26 = _createForOfIteratorHelper(files), + _step26; + + try { + for (_iterator26.s(); !(_step26 = _iterator26.n()).done;) { + var _file3 = _step26.value; + this.emit("uploadprogress", _file3, _file3.upload.progress, _file3.upload.bytesSent); + } + } catch (err) { + _iterator26.e(err); + } finally { + _iterator26.f(); + } + } else { + // Called when the file finished uploading + var allFilesFinished = true; + progress = 100; + + var _iterator27 = _createForOfIteratorHelper(files), + _step27; + + try { + for (_iterator27.s(); !(_step27 = _iterator27.n()).done;) { + var _file4 = _step27.value; + + if (_file4.upload.progress !== 100 || _file4.upload.bytesSent !== _file4.upload.total) { + allFilesFinished = false; + } + + _file4.upload.progress = progress; + _file4.upload.bytesSent = _file4.upload.total; + } // Nothing to do, all files already at 100% + + } catch (err) { + _iterator27.e(err); + } finally { + _iterator27.f(); + } + + if (allFilesFinished) { + return; + } + + var _iterator28 = _createForOfIteratorHelper(files), + _step28; + + try { + for (_iterator28.s(); !(_step28 = _iterator28.n()).done;) { + var _file5 = _step28.value; + this.emit("uploadprogress", _file5, progress, _file5.upload.bytesSent); + } + } catch (err) { + _iterator28.e(err); + } finally { + _iterator28.f(); + } + } + } + }, { + key: "_finishedUploading", + value: function _finishedUploading(files, xhr, e) { + var response; + + if (files[0].status === Dropzone.CANCELED) { + return; + } + + if (xhr.readyState !== 4) { + return; + } + + if (xhr.responseType !== 'arraybuffer' && xhr.responseType !== 'blob') { + response = xhr.responseText; + + if (xhr.getResponseHeader("content-type") && ~xhr.getResponseHeader("content-type").indexOf("application/json")) { + try { + response = JSON.parse(response); + } catch (error) { + e = error; + response = "Invalid JSON response from server."; + } + } + } + + this._updateFilesUploadProgress(files); + + if (!(200 <= xhr.status && xhr.status < 300)) { + this._handleUploadError(files, xhr, response); + } else { + if (files[0].upload.chunked) { + files[0].upload.finishedChunkUpload(this._getChunk(files[0], xhr)); + } else { + this._finished(files, response, e); + } + } + } + }, { + key: "_handleUploadError", + value: function _handleUploadError(files, xhr, response) { + if (files[0].status === Dropzone.CANCELED) { + return; + } + + if (files[0].upload.chunked && this.options.retryChunks) { + var chunk = this._getChunk(files[0], xhr); + + if (chunk.retries++ < this.options.retryChunksLimit) { + this._uploadData(files, [chunk.dataBlock]); + + return; + } else { + console.warn('Retried this chunk too often. Giving up.'); + } + } + + this._errorProcessing(files, response || this.options.dictResponseError.replace("{{statusCode}}", xhr.status), xhr); + } + }, { + key: "submitRequest", + value: function submitRequest(xhr, formData, files) { + xhr.send(formData); + } // Called internally when processing is finished. + // Individual callbacks have to be called in the appropriate sections. + + }, { + key: "_finished", + value: function _finished(files, responseText, e) { + var _iterator29 = _createForOfIteratorHelper(files), + _step29; + + try { + for (_iterator29.s(); !(_step29 = _iterator29.n()).done;) { + var file = _step29.value; + file.status = Dropzone.SUCCESS; + this.emit("success", file, responseText, e); + this.emit("complete", file); + } + } catch (err) { + _iterator29.e(err); + } finally { + _iterator29.f(); + } + + if (this.options.uploadMultiple) { + this.emit("successmultiple", files, responseText, e); + this.emit("completemultiple", files); + } + + if (this.options.autoProcessQueue) { + return this.processQueue(); + } + } // Called internally when processing is finished. + // Individual callbacks have to be called in the appropriate sections. + + }, { + key: "_errorProcessing", + value: function _errorProcessing(files, message, xhr) { + var _iterator30 = _createForOfIteratorHelper(files), + _step30; + + try { + for (_iterator30.s(); !(_step30 = _iterator30.n()).done;) { + var file = _step30.value; + file.status = Dropzone.ERROR; + this.emit("error", file, message, xhr); + this.emit("complete", file); + } + } catch (err) { + _iterator30.e(err); + } finally { + _iterator30.f(); + } + + if (this.options.uploadMultiple) { + this.emit("errormultiple", files, message, xhr); + this.emit("completemultiple", files); + } + + if (this.options.autoProcessQueue) { + return this.processQueue(); + } + } + }], [{ + key: "uuidv4", + value: function uuidv4() { + return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) { + var r = Math.random() * 16 | 0, + v = c === 'x' ? r : r & 0x3 | 0x8; + return v.toString(16); + }); + } + }]); + + return Dropzone; +}(Emitter); + +Dropzone.initClass(); +Dropzone.version = "5.7.2"; // This is a map of options for your different dropzones. Add configurations +// to this object for your different dropzone elemens. +// +// Example: +// +// Dropzone.options.myDropzoneElementId = { maxFilesize: 1 }; +// +// To disable autoDiscover for a specific element, you can set `false` as an option: +// +// Dropzone.options.myDisabledElementId = false; +// +// And in html: +// +//
+ +Dropzone.options = {}; // Returns the options for an element or undefined if none available. + +Dropzone.optionsForElement = function (element) { + // Get the `Dropzone.options.elementId` for this element if it exists + if (element.getAttribute("id")) { + return Dropzone.options[camelize(element.getAttribute("id"))]; + } else { + return undefined; + } +}; // Holds a list of all dropzone instances + + +Dropzone.instances = []; // Returns the dropzone for given element if any + +Dropzone.forElement = function (element) { + if (typeof element === "string") { + element = document.querySelector(element); + } + + if ((element != null ? element.dropzone : undefined) == null) { + throw new Error("No Dropzone found for given element. This is probably because you're trying to access it before Dropzone had the time to initialize. Use the `init` option to setup any additional observers on your Dropzone."); + } + + return element.dropzone; +}; // Set to false if you don't want Dropzone to automatically find and attach to .dropzone elements. + + +Dropzone.autoDiscover = true; // Looks for all .dropzone elements and creates a dropzone for them + +Dropzone.discover = function () { + var dropzones; + + if (document.querySelectorAll) { + dropzones = document.querySelectorAll(".dropzone"); + } else { + dropzones = []; // IE :( + + var checkElements = function checkElements(elements) { + return function () { + var result = []; + + var _iterator31 = _createForOfIteratorHelper(elements), + _step31; + + try { + for (_iterator31.s(); !(_step31 = _iterator31.n()).done;) { + var el = _step31.value; + + if (/(^| )dropzone($| )/.test(el.className)) { + result.push(dropzones.push(el)); + } else { + result.push(undefined); + } + } + } catch (err) { + _iterator31.e(err); + } finally { + _iterator31.f(); + } + + return result; + }(); + }; + + checkElements(document.getElementsByTagName("div")); + checkElements(document.getElementsByTagName("form")); + } + + return function () { + var result = []; + + var _iterator32 = _createForOfIteratorHelper(dropzones), + _step32; + + try { + for (_iterator32.s(); !(_step32 = _iterator32.n()).done;) { + var dropzone = _step32.value; + + // Create a dropzone unless auto discover has been disabled for specific element + if (Dropzone.optionsForElement(dropzone) !== false) { + result.push(new Dropzone(dropzone)); + } else { + result.push(undefined); + } + } + } catch (err) { + _iterator32.e(err); + } finally { + _iterator32.f(); + } + + return result; + }(); +}; // Since the whole Drag'n'Drop API is pretty new, some browsers implement it, +// but not correctly. +// So I created a blacklist of userAgents. Yes, yes. Browser sniffing, I know. +// But what to do when browsers *theoretically* support an API, but crash +// when using it. +// +// This is a list of regular expressions tested against navigator.userAgent +// +// ** It should only be used on browser that *do* support the API, but +// incorrectly ** +// + + +Dropzone.blacklistedBrowsers = [// The mac os and windows phone version of opera 12 seems to have a problem with the File drag'n'drop API. +/opera.*(Macintosh|Windows Phone).*version\/12/i]; // Checks if the browser is supported + +Dropzone.isBrowserSupported = function () { + var capableBrowser = true; + + if (window.File && window.FileReader && window.FileList && window.Blob && window.FormData && document.querySelector) { + if (!("classList" in document.createElement("a"))) { + capableBrowser = false; + } else { + // The browser supports the API, but may be blacklisted. + var _iterator33 = _createForOfIteratorHelper(Dropzone.blacklistedBrowsers), + _step33; + + try { + for (_iterator33.s(); !(_step33 = _iterator33.n()).done;) { + var regex = _step33.value; + + if (regex.test(navigator.userAgent)) { + capableBrowser = false; + continue; + } + } + } catch (err) { + _iterator33.e(err); + } finally { + _iterator33.f(); + } + } + } else { + capableBrowser = false; + } + + return capableBrowser; +}; + +Dropzone.dataURItoBlob = function (dataURI) { + // convert base64 to raw binary data held in a string + // doesn't handle URLEncoded DataURIs - see SO answer #6850276 for code that does this + var byteString = atob(dataURI.split(',')[1]); // separate out the mime component + + var mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0]; // write the bytes of the string to an ArrayBuffer + + var ab = new ArrayBuffer(byteString.length); + var ia = new Uint8Array(ab); + + for (var i = 0, end = byteString.length, asc = 0 <= end; asc ? i <= end : i >= end; asc ? i++ : i--) { + ia[i] = byteString.charCodeAt(i); + } // write the ArrayBuffer to a blob + + + return new Blob([ab], { + type: mimeString + }); +}; // Returns an array without the rejected item + + +var without = function without(list, rejectedItem) { + return list.filter(function (item) { + return item !== rejectedItem; + }).map(function (item) { + return item; + }); +}; // abc-def_ghi -> abcDefGhi + + +var camelize = function camelize(str) { + return str.replace(/[\-_](\w)/g, function (match) { + return match.charAt(1).toUpperCase(); + }); +}; // Creates an element from string + + +Dropzone.createElement = function (string) { + var div = document.createElement("div"); + div.innerHTML = string; + return div.childNodes[0]; +}; // Tests if given element is inside (or simply is) the container + + +Dropzone.elementInside = function (element, container) { + if (element === container) { + return true; + } // Coffeescript doesn't support do/while loops + + + while (element = element.parentNode) { + if (element === container) { + return true; + } + } + + return false; +}; + +Dropzone.getElement = function (el, name) { + var element; + + if (typeof el === "string") { + element = document.querySelector(el); + } else if (el.nodeType != null) { + element = el; + } + + if (element == null) { + throw new Error("Invalid `".concat(name, "` option provided. Please provide a CSS selector or a plain HTML element.")); + } + + return element; +}; + +Dropzone.getElements = function (els, name) { + var el, elements; + + if (els instanceof Array) { + elements = []; + + try { + var _iterator34 = _createForOfIteratorHelper(els), + _step34; + + try { + for (_iterator34.s(); !(_step34 = _iterator34.n()).done;) { + el = _step34.value; + elements.push(this.getElement(el, name)); + } + } catch (err) { + _iterator34.e(err); + } finally { + _iterator34.f(); + } + } catch (e) { + elements = null; + } + } else if (typeof els === "string") { + elements = []; + + var _iterator35 = _createForOfIteratorHelper(document.querySelectorAll(els)), + _step35; + + try { + for (_iterator35.s(); !(_step35 = _iterator35.n()).done;) { + el = _step35.value; + elements.push(el); + } + } catch (err) { + _iterator35.e(err); + } finally { + _iterator35.f(); + } + } else if (els.nodeType != null) { + elements = [els]; + } + + if (elements == null || !elements.length) { + throw new Error("Invalid `".concat(name, "` option provided. Please provide a CSS selector, a plain HTML element or a list of those.")); + } + + return elements; +}; // Asks the user the question and calls accepted or rejected accordingly +// +// The default implementation just uses `window.confirm` and then calls the +// appropriate callback. + + +Dropzone.confirm = function (question, accepted, rejected) { + if (window.confirm(question)) { + return accepted(); + } else if (rejected != null) { + return rejected(); + } +}; // Validates the mime type like this: +// +// https://developer.mozilla.org/en-US/docs/HTML/Element/input#attr-accept + + +Dropzone.isValidFile = function (file, acceptedFiles) { + if (!acceptedFiles) { + return true; + } // If there are no accepted mime types, it's OK + + + acceptedFiles = acceptedFiles.split(","); + var mimeType = file.type; + var baseMimeType = mimeType.replace(/\/.*$/, ""); + + var _iterator36 = _createForOfIteratorHelper(acceptedFiles), + _step36; + + try { + for (_iterator36.s(); !(_step36 = _iterator36.n()).done;) { + var validType = _step36.value; + validType = validType.trim(); + + if (validType.charAt(0) === ".") { + if (file.name.toLowerCase().indexOf(validType.toLowerCase(), file.name.length - validType.length) !== -1) { + return true; + } + } else if (/\/\*$/.test(validType)) { + // This is something like a image/* mime type + if (baseMimeType === validType.replace(/\/.*$/, "")) { + return true; + } + } else { + if (mimeType === validType) { + return true; + } + } + } + } catch (err) { + _iterator36.e(err); + } finally { + _iterator36.f(); + } + + return false; +}; // Augment jQuery + + +if (typeof jQuery !== 'undefined' && jQuery !== null) { + jQuery.fn.dropzone = function (options) { + return this.each(function () { + return new Dropzone(this, options); + }); + }; +} + +if (typeof module !== 'undefined' && module !== null) { + module.exports = Dropzone; +} else { + window.Dropzone = Dropzone; +} // Dropzone file status codes + + +Dropzone.ADDED = "added"; +Dropzone.QUEUED = "queued"; // For backwards compatibility. Now, if a file is accepted, it's either queued +// or uploading. + +Dropzone.ACCEPTED = Dropzone.QUEUED; +Dropzone.UPLOADING = "uploading"; +Dropzone.PROCESSING = Dropzone.UPLOADING; // alias + +Dropzone.CANCELED = "canceled"; +Dropzone.ERROR = "error"; +Dropzone.SUCCESS = "success"; +/* + + Bugfix for iOS 6 and 7 + Source: http://stackoverflow.com/questions/11929099/html5-canvas-drawimage-ratio-bug-ios + based on the work of https://github.com/stomita/ios-imagefile-megapixel + + */ +// Detecting vertical squash in loaded image. +// Fixes a bug which squash image vertically while drawing into canvas for some images. +// This is a bug in iOS6 devices. This function from https://github.com/stomita/ios-imagefile-megapixel + +var detectVerticalSquash = function detectVerticalSquash(img) { + var iw = img.naturalWidth; + var ih = img.naturalHeight; + var canvas = document.createElement("canvas"); + canvas.width = 1; + canvas.height = ih; + var ctx = canvas.getContext("2d"); + ctx.drawImage(img, 0, 0); + + var _ctx$getImageData = ctx.getImageData(1, 0, 1, ih), + data = _ctx$getImageData.data; // search image edge pixel position in case it is squashed vertically. + + + var sy = 0; + var ey = ih; + var py = ih; + + while (py > sy) { + var alpha = data[(py - 1) * 4 + 3]; + + if (alpha === 0) { + ey = py; + } else { + sy = py; + } + + py = ey + sy >> 1; + } + + var ratio = py / ih; + + if (ratio === 0) { + return 1; + } else { + return ratio; + } +}; // A replacement for context.drawImage +// (args are for source and destination). + + +var drawImageIOSFix = function drawImageIOSFix(ctx, img, sx, sy, sw, sh, dx, dy, dw, dh) { + var vertSquashRatio = detectVerticalSquash(img); + return ctx.drawImage(img, sx, sy, sw, sh, dx, dy, dw, dh / vertSquashRatio); +}; // Based on MinifyJpeg +// Source: http://www.perry.cz/files/ExifRestorer.js +// http://elicon.blog57.fc2.com/blog-entry-206.html + + +var ExifRestore = /*#__PURE__*/function () { + function ExifRestore() { + _classCallCheck(this, ExifRestore); + } + + _createClass(ExifRestore, null, [{ + key: "initClass", + value: function initClass() { + this.KEY_STR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; + } + }, { + key: "encode64", + value: function encode64(input) { + var output = ''; + var chr1 = undefined; + var chr2 = undefined; + var chr3 = ''; + var enc1 = undefined; + var enc2 = undefined; + var enc3 = undefined; + var enc4 = ''; + var i = 0; + + while (true) { + chr1 = input[i++]; + chr2 = input[i++]; + chr3 = input[i++]; + enc1 = chr1 >> 2; + enc2 = (chr1 & 3) << 4 | chr2 >> 4; + enc3 = (chr2 & 15) << 2 | chr3 >> 6; + enc4 = chr3 & 63; + + if (isNaN(chr2)) { + enc3 = enc4 = 64; + } else if (isNaN(chr3)) { + enc4 = 64; + } + + output = output + this.KEY_STR.charAt(enc1) + this.KEY_STR.charAt(enc2) + this.KEY_STR.charAt(enc3) + this.KEY_STR.charAt(enc4); + chr1 = chr2 = chr3 = ''; + enc1 = enc2 = enc3 = enc4 = ''; + + if (!(i < input.length)) { + break; + } + } + + return output; + } + }, { + key: "restore", + value: function restore(origFileBase64, resizedFileBase64) { + if (!origFileBase64.match('data:image/jpeg;base64,')) { + return resizedFileBase64; + } + + var rawImage = this.decode64(origFileBase64.replace('data:image/jpeg;base64,', '')); + var segments = this.slice2Segments(rawImage); + var image = this.exifManipulation(resizedFileBase64, segments); + return "data:image/jpeg;base64,".concat(this.encode64(image)); + } + }, { + key: "exifManipulation", + value: function exifManipulation(resizedFileBase64, segments) { + var exifArray = this.getExifArray(segments); + var newImageArray = this.insertExif(resizedFileBase64, exifArray); + var aBuffer = new Uint8Array(newImageArray); + return aBuffer; + } + }, { + key: "getExifArray", + value: function getExifArray(segments) { + var seg = undefined; + var x = 0; + + while (x < segments.length) { + seg = segments[x]; + + if (seg[0] === 255 & seg[1] === 225) { + return seg; + } + + x++; + } + + return []; + } + }, { + key: "insertExif", + value: function insertExif(resizedFileBase64, exifArray) { + var imageData = resizedFileBase64.replace('data:image/jpeg;base64,', ''); + var buf = this.decode64(imageData); + var separatePoint = buf.indexOf(255, 3); + var mae = buf.slice(0, separatePoint); + var ato = buf.slice(separatePoint); + var array = mae; + array = array.concat(exifArray); + array = array.concat(ato); + return array; + } + }, { + key: "slice2Segments", + value: function slice2Segments(rawImageArray) { + var head = 0; + var segments = []; + + while (true) { + var length; + + if (rawImageArray[head] === 255 & rawImageArray[head + 1] === 218) { + break; + } + + if (rawImageArray[head] === 255 & rawImageArray[head + 1] === 216) { + head += 2; + } else { + length = rawImageArray[head + 2] * 256 + rawImageArray[head + 3]; + var endPoint = head + length + 2; + var seg = rawImageArray.slice(head, endPoint); + segments.push(seg); + head = endPoint; + } + + if (head > rawImageArray.length) { + break; + } + } + + return segments; + } + }, { + key: "decode64", + value: function decode64(input) { + var output = ''; + var chr1 = undefined; + var chr2 = undefined; + var chr3 = ''; + var enc1 = undefined; + var enc2 = undefined; + var enc3 = undefined; + var enc4 = ''; + var i = 0; + var buf = []; // remove all characters that are not A-Z, a-z, 0-9, +, /, or = + + var base64test = /[^A-Za-z0-9\+\/\=]/g; + + if (base64test.exec(input)) { + console.warn('There were invalid base64 characters in the input text.\nValid base64 characters are A-Z, a-z, 0-9, \'+\', \'/\',and \'=\'\nExpect errors in decoding.'); + } + + input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ''); + + while (true) { + enc1 = this.KEY_STR.indexOf(input.charAt(i++)); + enc2 = this.KEY_STR.indexOf(input.charAt(i++)); + enc3 = this.KEY_STR.indexOf(input.charAt(i++)); + enc4 = this.KEY_STR.indexOf(input.charAt(i++)); + chr1 = enc1 << 2 | enc2 >> 4; + chr2 = (enc2 & 15) << 4 | enc3 >> 2; + chr3 = (enc3 & 3) << 6 | enc4; + buf.push(chr1); + + if (enc3 !== 64) { + buf.push(chr2); + } + + if (enc4 !== 64) { + buf.push(chr3); + } + + chr1 = chr2 = chr3 = ''; + enc1 = enc2 = enc3 = enc4 = ''; + + if (!(i < input.length)) { + break; + } + } + + return buf; + } + }]); + + return ExifRestore; +}(); + +ExifRestore.initClass(); +/* + * contentloaded.js + * + * Author: Diego Perini (diego.perini at gmail.com) + * Summary: cross-browser wrapper for DOMContentLoaded + * Updated: 20101020 + * License: MIT + * Version: 1.2 + * + * URL: + * http://javascript.nwbox.com/ContentLoaded/ + * http://javascript.nwbox.com/ContentLoaded/MIT-LICENSE + */ +// @win window reference +// @fn function reference + +var contentLoaded = function contentLoaded(win, fn) { + var done = false; + var top = true; + var doc = win.document; + var root = doc.documentElement; + var add = doc.addEventListener ? "addEventListener" : "attachEvent"; + var rem = doc.addEventListener ? "removeEventListener" : "detachEvent"; + var pre = doc.addEventListener ? "" : "on"; + + var init = function init(e) { + if (e.type === "readystatechange" && doc.readyState !== "complete") { + return; + } + + (e.type === "load" ? win : doc)[rem](pre + e.type, init, false); + + if (!done && (done = true)) { + return fn.call(win, e.type || e); + } + }; + + var poll = function poll() { + try { + root.doScroll("left"); + } catch (e) { + setTimeout(poll, 50); + return; + } + + return init("poll"); + }; + + if (doc.readyState !== "complete") { + if (doc.createEventObject && root.doScroll) { + try { + top = !win.frameElement; + } catch (error) {} + + if (top) { + poll(); + } + } + + doc[add](pre + "DOMContentLoaded", init, false); + doc[add](pre + "readystatechange", init, false); + return win[add](pre + "load", init, false); + } +}; // As a single function to be able to write tests. + + +Dropzone._autoDiscoverFunction = function () { + if (Dropzone.autoDiscover) { + return Dropzone.discover(); + } +}; + +contentLoaded(window, Dropzone._autoDiscoverFunction); + +function __guard__(value, transform) { + return typeof value !== 'undefined' && value !== null ? transform(value) : undefined; +} + +function __guardMethod__(obj, methodName, transform) { + if (typeof obj !== 'undefined' && obj !== null && typeof obj[methodName] === 'function') { + return transform(obj, methodName); + } else { + return undefined; + } +}