File upload example
This is an example of file upload using the built in Node-RED http input node.
To test, point your browser at http://localhost:1880/simple, choose a file and press Submit. You should be redirected to a page with the contents of your file.
A fancier version that uses Dropzone.js is available at http://localhost:1880/complex
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IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n *\n */\n\n(function() {\n var Dropzone, Emitter, camelize, contentLoaded, detectVerticalSquash, drawImageIOSFix, noop, without,\n __slice = [].slice,\n __hasProp = {}.hasOwnProperty,\n __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };\n\n noop = function() {};\n\n Emitter = (function() {\n function Emitter() {}\n\n Emitter.prototype.addEventListener = Emitter.prototype.on;\n\n Emitter.prototype.on = function(event, fn) {\n this._callbacks = this._callbacks || {};\n if (!this._callbacks[event]) {\n this._callbacks[event] = [];\n }\n this._callbacks[event].push(fn);\n return this;\n };\n\n Emitter.prototype.emit = function() {\n var args, callback, callbacks, event, _i, _len;\n event = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];\n this._callbacks = this._callbacks || {};\n callbacks = this._callbacks[event];\n if (callbacks) {\n for (_i = 0, _len = callbacks.length; _i < _len; _i++) {\n callback = callbacks[_i];\n callback.apply(this, args);\n }\n }\n return this;\n };\n\n Emitter.prototype.removeListener = Emitter.prototype.off;\n\n Emitter.prototype.removeAllListeners = Emitter.prototype.off;\n\n Emitter.prototype.removeEventListener = Emitter.prototype.off;\n\n Emitter.prototype.off = function(event, fn) {\n var callback, callbacks, i, _i, _len;\n if (!this._callbacks || arguments.length === 0) {\n this._callbacks = {};\n return this;\n }\n callbacks = this._callbacks[event];\n if (!callbacks) {\n return this;\n }\n if (arguments.length === 1) {\n delete this._callbacks[event];\n return this;\n }\n for (i = _i = 0, _len = callbacks.length; _i < _len; i = ++_i) {\n callback = callbacks[i];\n if (callback === fn) {\n callbacks.splice(i, 1);\n break;\n }\n }\n return this;\n };\n\n return Emitter;\n\n })();\n\n Dropzone = (function(_super) {\n var extend, resolveOption;\n\n __extends(Dropzone, _super);\n\n Dropzone.prototype.Emitter = Emitter;\n\n\n /*\n This is a list of all available events you can register on a dropzone object.\n \n You can register an event handler like this:\n \n dropzone.on(\"dragEnter\", function() { });\n */\n\n Dropzone.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\"];\n\n Dropzone.prototype.defaultOptions = {\n url: null,\n method: \"post\",\n withCredentials: false,\n parallelUploads: 2,\n uploadMultiple: false,\n maxFilesize: 256,\n paramName: \"file\",\n createImageThumbnails: true,\n maxThumbnailFilesize: 10,\n thumbnailWidth: 120,\n thumbnailHeight: 120,\n filesizeBase: 1000,\n maxFiles: null,\n params: {},\n clickable: true,\n ignoreHiddenFiles: true,\n acceptedFiles: null,\n acceptedMimeTypes: null,\n autoProcessQueue: true,\n autoQueue: true,\n addRemoveLinks: false,\n previewsContainer: null,\n hiddenInputContainer: \"body\",\n capture: null,\n renameFilename: null,\n dictDefaultMessage: \"Drop files here to upload\",\n dictFallbackMessage: \"Your browser does not support drag'n'drop file uploads.\",\n dictFallbackText: \"Please use the fallback form below to upload your files like in the olden days.\",\n dictFileTooBig: \"File is too big ({{filesize}}MiB). Max filesize: {{maxFilesize}}MiB.\",\n dictInvalidFileType: \"You can't upload files of this type.\",\n dictResponseError: \"Server responded with {{statusCode}} code.\",\n dictCancelUpload: \"Cancel upload\",\n dictCancelUploadConfirmation: \"Are you sure you want to cancel this upload?\",\n dictRemoveFile: \"Remove file\",\n dictRemoveFileConfirmation: null,\n dictMaxFilesExceeded: \"You can not upload any more files.\",\n accept: function(file, done) {\n return done();\n },\n init: function() {\n return noop;\n },\n forceFallback: false,\n fallback: function() {\n var child, messageElement, span, _i, _len, _ref;\n this.element.className = \"\" + this.element.className + \" dz-browser-not-supported\";\n _ref = this.element.getElementsByTagName(\"div\");\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n child = _ref[_i];\n if (/(^| )dz-message($| )/.test(child.className)) {\n messageElement = child;\n child.className = \"dz-message\";\n continue;\n }\n }\n if (!messageElement) {\n messageElement = Dropzone.createElement(\"<div class=\\\"dz-message\\\"><span></span></div>\");\n this.element.appendChild(messageElement);\n }\n span = messageElement.getElementsByTagName(\"span\")[0];\n if (span) {\n if (span.textContent != null) {\n span.textContent = this.options.dictFallbackMessage;\n } else if (span.innerText != null) {\n span.innerText = this.options.dictFallbackMessage;\n }\n }\n return this.element.appendChild(this.getFallbackForm());\n },\n resize: function(file) {\n var info, srcRatio, trgRatio;\n info = {\n srcX: 0,\n srcY: 0,\n srcWidth: file.width,\n srcHeight: file.height\n };\n srcRatio = file.width / file.height;\n info.optWidth = this.options.thumbnailWidth;\n info.optHeight = this.options.thumbnailHeight;\n if ((info.optWidth == null) && (info.optHeight == null)) {\n info.optWidth = info.srcWidth;\n info.optHeight = info.srcHeight;\n } else if (info.optWidth == null) {\n info.optWidth = srcRatio * info.optHeight;\n } else if (info.optHeight == null) {\n info.optHeight = (1 / srcRatio) * info.optWidth;\n }\n trgRatio = info.optWidth / info.optHeight;\n if (file.height < info.optHeight || file.width < info.optWidth) {\n info.trgHeight = info.srcHeight;\n info.trgWidth = info.srcWidth;\n } else {\n if (srcRatio > trgRatio) {\n info.srcHeight = file.height;\n info.srcWidth = info.srcHeight * trgRatio;\n } else {\n info.srcWidth = file.width;\n info.srcHeight = info.srcWidth / trgRatio;\n }\n }\n info.srcX = (file.width - info.srcWidth) / 2;\n info.srcY = (file.height - info.srcHeight) / 2;\n return info;\n },\n\n /*\n Those functions register themselves to the events on init and handle all\n the user interface specific stuff. Overwriting them won't break the upload\n but can break the way it's displayed.\n You can overwrite them if you don't like the default behavior. If you just\n want to add an additional event handler, register it on the dropzone object\n and don't overwrite those options.\n */\n drop: function(e) {\n return this.element.classList.remove(\"dz-drag-hover\");\n },\n dragstart: noop,\n dragend: function(e) {\n return this.element.classList.remove(\"dz-drag-hover\");\n },\n dragenter: function(e) {\n return this.element.classList.add(\"dz-drag-hover\");\n },\n dragover: function(e) {\n return this.element.classList.add(\"dz-drag-hover\");\n },\n dragleave: function(e) {\n return this.element.classList.remove(\"dz-drag-hover\");\n },\n paste: noop,\n reset: function() {\n return this.element.classList.remove(\"dz-started\");\n },\n addedfile: function(file) {\n var node, removeFileEvent, removeLink, _i, _j, _k, _len, _len1, _len2, _ref, _ref1, _ref2, _results;\n if (this.element === this.previewsContainer) {\n this.element.classList.add(\"dz-started\");\n }\n if (this.previewsContainer) {\n file.previewElement = Dropzone.createElement(this.options.previewTemplate.trim());\n file.previewTemplate = file.previewElement;\n this.previewsContainer.appendChild(file.previewElement);\n _ref = file.previewElement.querySelectorAll(\"[data-dz-name]\");\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n node = _ref[_i];\n node.textContent = this._renameFilename(file.name);\n }\n _ref1 = file.previewElement.querySelectorAll(\"[data-dz-size]\");\n for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {\n node = _ref1[_j];\n node.innerHTML = this.filesize(file.size);\n }\n if (this.options.addRemoveLinks) {\n file._removeLink = Dropzone.createElement(\"<a class=\\\"dz-remove\\\" href=\\\"javascript:undefined;\\\" data-dz-remove>\" + this.options.dictRemoveFile + \"</a>\");\n file.previewElement.appendChild(file._removeLink);\n }\n removeFileEvent = (function(_this) {\n return function(e) {\n e.preventDefault();\n e.stopPropagation();\n if (file.status === Dropzone.UPLOADING) {\n return Dropzone.confirm(_this.options.dictCancelUploadConfirmation, function() {\n return _this.removeFile(file);\n });\n } else {\n if (_this.options.dictRemoveFileConfirmation) {\n return Dropzone.confirm(_this.options.dictRemoveFileConfirmation, function() {\n return _this.removeFile(file);\n });\n } else {\n return _this.removeFile(file);\n }\n }\n };\n })(this);\n _ref2 = file.previewElement.querySelectorAll(\"[data-dz-remove]\");\n _results = [];\n for (_k = 0, _len2 = _ref2.length; _k < _len2; _k++) {\n removeLink = _ref2[_k];\n _results.push(removeLink.addEventListener(\"click\", removeFileEvent));\n }\n return _results;\n }\n },\n removedfile: function(file) {\n var _ref;\n if (file.previewElement) {\n if ((_ref = file.previewElement) != null) {\n _ref.parentNode.removeChild(file.previewElement);\n }\n }\n return this._updateMaxFilesReachedClass();\n },\n thumbnail: function(file, dataUrl) {\n var thumbnailElement, _i, _len, _ref;\n if (file.previewElement) {\n file.previewElement.classList.remove(\"dz-file-preview\");\n _ref = file.previewElement.querySelectorAll(\"[data-dz-thumbnail]\");\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n thumbnailElement = _ref[_i];\n thumbnailElement.alt = file.name;\n thumbnailElement.src = dataUrl;\n }\n return setTimeout(((function(_this) {\n return function() {\n return file.previewElement.classList.add(\"dz-image-preview\");\n };\n })(this)), 1);\n }\n },\n error: function(file, message) {\n var node, _i, _len, _ref, _results;\n if (file.previewElement) {\n file.previewElement.classList.add(\"dz-error\");\n if (typeof message !== \"String\" && message.error) {\n message = message.error;\n }\n _ref = file.previewElement.querySelectorAll(\"[data-dz-errormessage]\");\n _results = [];\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n node = _ref[_i];\n _results.push(node.textContent = message);\n }\n return _results;\n }\n },\n errormultiple: noop,\n processing: function(file) {\n if (file.previewElement) {\n file.previewElement.classList.add(\"dz-processing\");\n if (file._removeLink) {\n return file._removeLink.textContent = this.options.dictCancelUpload;\n }\n }\n },\n processingmultiple: noop,\n uploadprogress: function(file, progress, bytesSent) {\n var node, _i, _len, _ref, _results;\n if (file.previewElement) {\n _ref = file.previewElement.querySelectorAll(\"[data-dz-uploadprogress]\");\n _results = [];\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n node = _ref[_i];\n if (node.nodeName === 'PROGRESS') {\n _results.push(node.value = progress);\n } else {\n _results.push(node.style.width = \"\" + progress + \"%\");\n }\n }\n return _results;\n }\n },\n totaluploadprogress: noop,\n sending: noop,\n sendingmultiple: noop,\n success: function(file) {\n if (file.previewElement) {\n return file.previewElement.classList.add(\"dz-success\");\n }\n },\n successmultiple: noop,\n canceled: function(file) {\n return this.emit(\"error\", file, \"Upload 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__slice.call(arguments, 1) : [];\n for (_i = 0, _len = objects.length; _i < _len; _i++) {\n object = objects[_i];\n for (key in object) {\n val = object[key];\n target[key] = val;\n }\n }\n return target;\n };\n\n function Dropzone(element, options) {\n var elementOptions, fallback, _ref;\n this.element = element;\n this.version = Dropzone.version;\n this.defaultOptions.previewTemplate = this.defaultOptions.previewTemplate.replace(/\\n*/g, \"\");\n this.clickableElements = [];\n this.listeners = [];\n this.files = [];\n if (typeof this.element === \"string\") {\n this.element = document.querySelector(this.element);\n }\n if (!(this.element && (this.element.nodeType != null))) {\n throw new Error(\"Invalid dropzone element.\");\n }\n if (this.element.dropzone) {\n throw new Error(\"Dropzone already attached.\");\n }\n Dropzone.instances.push(this);\n this.element.dropzone = this;\n elementOptions = (_ref = Dropzone.optionsForElement(this.element)) != null ? _ref : {};\n this.options = extend({}, this.defaultOptions, elementOptions, options != null ? options : {});\n if (this.options.forceFallback || !Dropzone.isBrowserSupported()) {\n return this.options.fallback.call(this);\n }\n if (this.options.url == null) {\n this.options.url = this.element.getAttribute(\"action\");\n }\n if (!this.options.url) {\n throw new Error(\"No URL provided.\");\n }\n if (this.options.acceptedFiles && this.options.acceptedMimeTypes) {\n throw new Error(\"You can't provide both 'acceptedFiles' and 'acceptedMimeTypes'. 'acceptedMimeTypes' is deprecated.\");\n }\n if (this.options.acceptedMimeTypes) {\n this.options.acceptedFiles = this.options.acceptedMimeTypes;\n delete this.options.acceptedMimeTypes;\n }\n this.options.method = this.options.method.toUpperCase();\n if ((fallback = this.getExistingFallback()) && fallback.parentNode) {\n fallback.parentNode.removeChild(fallback);\n }\n if (this.options.previewsContainer !== false) {\n if (this.options.previewsContainer) {\n this.previewsContainer = Dropzone.getElement(this.options.previewsContainer, \"previewsContainer\");\n } else {\n this.previewsContainer = this.element;\n }\n }\n if (this.options.clickable) {\n if (this.options.clickable === true) {\n this.clickableElements = [this.element];\n } else {\n this.clickableElements = Dropzone.getElements(this.options.clickable, \"clickable\");\n }\n }\n this.init();\n }\n\n Dropzone.prototype.getAcceptedFiles = function() {\n var file, _i, _len, _ref, _results;\n _ref = this.files;\n _results = [];\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n file = _ref[_i];\n if (file.accepted) {\n _results.push(file);\n }\n }\n return _results;\n };\n\n Dropzone.prototype.getRejectedFiles = function() {\n var file, _i, _len, _ref, _results;\n _ref = this.files;\n _results = [];\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n file = _ref[_i];\n if (!file.accepted) {\n _results.push(file);\n }\n }\n return _results;\n };\n\n Dropzone.prototype.getFilesWithStatus = function(status) {\n var file, _i, _len, _ref, _results;\n _ref = this.files;\n _results = [];\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n file = _ref[_i];\n if (file.status === status) {\n _results.push(file);\n }\n }\n return _results;\n };\n\n Dropzone.prototype.getQueuedFiles = function() {\n return this.getFilesWithStatus(Dropzone.QUEUED);\n };\n\n Dropzone.prototype.getUploadingFiles = function() {\n return this.getFilesWithStatus(Dropzone.UPLOADING);\n };\n\n Dropzone.prototype.getAddedFiles = function() {\n return this.getFilesWithStatus(Dropzone.ADDED);\n };\n\n Dropzone.prototype.getActiveFiles = function() {\n var file, _i, _len, _ref, _results;\n _ref = this.files;\n _results = [];\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n file = _ref[_i];\n if (file.status === Dropzone.UPLOADING || file.status === Dropzone.QUEUED) {\n _results.push(file);\n }\n }\n return _results;\n };\n\n Dropzone.prototype.init = function() {\n var eventName, noPropagation, setupHiddenFileInput, _i, _len, _ref, _ref1;\n if (this.element.tagName === \"form\") {\n this.element.setAttribute(\"enctype\", \"multipart/form-data\");\n }\n if (this.element.classList.contains(\"dropzone\") && !this.element.querySelector(\".dz-message\")) {\n this.element.appendChild(Dropzone.createElement(\"<div class=\\\"dz-default dz-message\\\"><span>\" + this.options.dictDefaultMessage + \"</span></div>\"));\n }\n if (this.clickableElements.length) {\n setupHiddenFileInput = (function(_this) {\n return function() {\n if (_this.hiddenFileInput) {\n _this.hiddenFileInput.parentNode.removeChild(_this.hiddenFileInput);\n }\n _this.hiddenFileInput = document.createElement(\"input\");\n _this.hiddenFileInput.setAttribute(\"type\", \"file\");\n if ((_this.options.maxFiles == null) || _this.options.maxFiles > 1) {\n _this.hiddenFileInput.setAttribute(\"multiple\", \"multiple\");\n }\n _this.hiddenFileInput.className = \"dz-hidden-input\";\n if (_this.options.acceptedFiles != null) {\n _this.hiddenFileInput.setAttribute(\"accept\", _this.options.acceptedFiles);\n }\n if (_this.options.capture != null) {\n _this.hiddenFileInput.setAttribute(\"capture\", _this.options.capture);\n }\n _this.hiddenFileInput.style.visibility = \"hidden\";\n _this.hiddenFileInput.style.position = \"absolute\";\n _this.hiddenFileInput.style.top = \"0\";\n _this.hiddenFileInput.style.left = \"0\";\n _this.hiddenFileInput.style.height = \"0\";\n _this.hiddenFileInput.style.width = \"0\";\n document.querySelector(_this.options.hiddenInputContainer).appendChild(_this.hiddenFileInput);\n return _this.hiddenFileInput.addEventListener(\"change\", function() {\n var file, files, _i, _len;\n files = _this.hiddenFileInput.files;\n if (files.length) {\n for (_i = 0, _len = files.length; _i < _len; _i++) {\n file = files[_i];\n _this.addFile(file);\n }\n }\n _this.emit(\"addedfiles\", files);\n return setupHiddenFileInput();\n });\n };\n })(this);\n setupHiddenFileInput();\n }\n this.URL = (_ref = window.URL) != null ? _ref : window.webkitURL;\n _ref1 = this.events;\n for (_i = 0, _len = _ref1.length; _i < _len; _i++) {\n eventName = _ref1[_i];\n this.on(eventName, this.options[eventName]);\n }\n this.on(\"uploadprogress\", (function(_this) {\n return function() {\n return _this.updateTotalUploadProgress();\n };\n })(this));\n this.on(\"removedfile\", (function(_this) {\n return function() {\n return _this.updateTotalUploadProgress();\n };\n })(this));\n this.on(\"canceled\", (function(_this) {\n return function(file) {\n return _this.emit(\"complete\", file);\n };\n })(this));\n this.on(\"complete\", (function(_this) {\n return function(file) {\n if (_this.getAddedFiles().length === 0 && _this.getUploadingFiles().length === 0 && _this.getQueuedFiles().length === 0) {\n return setTimeout((function() {\n return _this.emit(\"queuecomplete\");\n }), 0);\n }\n };\n })(this));\n noPropagation = function(e) {\n e.stopPropagation();\n if (e.preventDefault) {\n return e.preventDefault();\n } else {\n return e.returnValue = false;\n }\n };\n this.listeners = [\n {\n element: this.element,\n events: {\n \"dragstart\": (function(_this) {\n return function(e) {\n return _this.emit(\"dragstart\", e);\n };\n })(this),\n \"dragenter\": (function(_this) {\n return function(e) {\n noPropagation(e);\n return _this.emit(\"dragenter\", e);\n };\n })(this),\n \"dragover\": (function(_this) {\n return function(e) {\n var efct;\n try {\n efct = e.dataTransfer.effectAllowed;\n } catch (_error) {}\n e.dataTransfer.dropEffect = 'move' === efct || 'linkMove' === efct ? 'move' : 'copy';\n noPropagation(e);\n return _this.emit(\"dragover\", e);\n };\n })(this),\n \"dragleave\": (function(_this) {\n return function(e) {\n return _this.emit(\"dragleave\", e);\n };\n })(this),\n \"drop\": (function(_this) {\n return function(e) {\n noPropagation(e);\n return _this.drop(e);\n };\n })(this),\n \"dragend\": (function(_this) {\n return function(e) {\n return _this.emit(\"dragend\", e);\n };\n })(this)\n }\n }\n ];\n this.clickableElements.forEach((function(_this) {\n return function(clickableElement) {\n return _this.listeners.push({\n element: clickableElement,\n events: {\n \"click\": function(evt) {\n if ((clickableElement !== _this.element) || (evt.target === _this.element || Dropzone.elementInside(evt.target, _this.element.querySelector(\".dz-message\")))) {\n _this.hiddenFileInput.click();\n }\n return true;\n }\n }\n });\n };\n })(this));\n this.enable();\n return this.options.init.call(this);\n };\n\n Dropzone.prototype.destroy = function() {\n var _ref;\n this.disable();\n this.removeAllFiles(true);\n if ((_ref = this.hiddenFileInput) != null ? _ref.parentNode : void 0) {\n this.hiddenFileInput.parentNode.removeChild(this.hiddenFileInput);\n this.hiddenFileInput = null;\n }\n delete this.element.dropzone;\n return Dropzone.instances.splice(Dropzone.instances.indexOf(this), 1);\n };\n\n Dropzone.prototype.updateTotalUploadProgress = function() {\n var activeFiles, file, totalBytes, totalBytesSent, totalUploadProgress, _i, _len, _ref;\n totalBytesSent = 0;\n totalBytes = 0;\n activeFiles = this.getActiveFiles();\n if (activeFiles.length) {\n _ref = this.getActiveFiles();\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n file = _ref[_i];\n totalBytesSent += file.upload.bytesSent;\n totalBytes += file.upload.total;\n }\n totalUploadProgress = 100 * totalBytesSent / totalBytes;\n } else {\n totalUploadProgress = 100;\n }\n return this.emit(\"totaluploadprogress\", totalUploadProgress, totalBytes, totalBytesSent);\n };\n\n Dropzone.prototype._getParamName = function(n) {\n if (typeof this.options.paramName === \"function\") {\n return this.options.paramName(n);\n } else {\n return \"\" + this.options.paramName + (this.options.uploadMultiple ? \"[\" + n + \"]\" : \"\");\n }\n };\n\n Dropzone.prototype._renameFilename = function(name) {\n if (typeof this.options.renameFilename !== \"function\") {\n return name;\n }\n return this.options.renameFilename(name);\n };\n\n Dropzone.prototype.getFallbackForm = function() {\n var existingFallback, fields, fieldsString, form;\n if (existingFallback = this.getExistingFallback()) {\n return existingFallback;\n }\n fieldsString = \"<div class=\\\"dz-fallback\\\">\";\n if (this.options.dictFallbackText) {\n fieldsString += \"<p>\" + this.options.dictFallbackText + \"</p>\";\n }\n fieldsString += \"<input type=\\\"file\\\" name=\\\"\" + (this._getParamName(0)) + \"\\\" \" + (this.options.uploadMultiple ? 'multiple=\"multiple\"' : void 0) + \" /><input type=\\\"submit\\\" value=\\\"Upload!\\\"></div>\";\n fields = Dropzone.createElement(fieldsString);\n if (this.element.tagName !== \"FORM\") {\n form = Dropzone.createElement(\"<form action=\\\"\" + this.options.url + \"\\\" enctype=\\\"multipart/form-data\\\" method=\\\"\" + this.options.method + \"\\\"></form>\");\n form.appendChild(fields);\n } else {\n this.element.setAttribute(\"enctype\", \"multipart/form-data\");\n this.element.setAttribute(\"method\", this.options.method);\n }\n return form != null ? form : fields;\n };\n\n Dropzone.prototype.getExistingFallback = function() {\n var fallback, getFallback, tagName, _i, _len, _ref;\n getFallback = function(elements) {\n var el, _i, _len;\n for (_i = 0, _len = elements.length; _i < _len; _i++) {\n el = elements[_i];\n if (/(^| )fallback($| )/.test(el.className)) {\n return el;\n }\n }\n };\n _ref = [\"div\", \"form\"];\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n tagName = _ref[_i];\n if (fallback = getFallback(this.element.getElementsByTagName(tagName))) {\n return fallback;\n }\n }\n };\n\n Dropzone.prototype.setupEventListeners = function() {\n var elementListeners, event, listener, _i, _len, _ref, _results;\n _ref = this.listeners;\n _results = [];\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n elementListeners = _ref[_i];\n _results.push((function() {\n var _ref1, _results1;\n _ref1 = elementListeners.events;\n _results1 = [];\n for (event in _ref1) {\n listener = _ref1[event];\n _results1.push(elementListeners.element.addEventListener(event, listener, false));\n }\n return _results1;\n })());\n }\n return _results;\n };\n\n Dropzone.prototype.removeEventListeners = function() {\n var elementListeners, event, listener, _i, _len, _ref, _results;\n _ref = this.listeners;\n _results = [];\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n elementListeners = _ref[_i];\n _results.push((function() {\n var _ref1, _results1;\n _ref1 = elementListeners.events;\n _results1 = [];\n for (event in _ref1) {\n listener = _ref1[event];\n _results1.push(elementListeners.element.removeEventListener(event, listener, false));\n }\n return _results1;\n })());\n }\n return _results;\n };\n\n Dropzone.prototype.disable = function() {\n var file, _i, _len, _ref, _results;\n this.clickableElements.forEach(function(element) {\n return element.classList.remove(\"dz-clickable\");\n });\n this.removeEventListeners();\n _ref = this.files;\n _results = [];\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n file = _ref[_i];\n _results.push(this.cancelUpload(file));\n }\n return _results;\n };\n\n Dropzone.prototype.enable = function() {\n this.clickableElements.forEach(function(element) {\n return element.classList.add(\"dz-clickable\");\n });\n return this.setupEventListeners();\n };\n\n Dropzone.prototype.filesize = function(size) {\n var cutoff, i, selectedSize, selectedUnit, unit, units, _i, _len;\n selectedSize = 0;\n selectedUnit = \"b\";\n if (size > 0) {\n units = ['TB', 'GB', 'MB', 'KB', 'b'];\n for (i = _i = 0, _len = units.length; _i < _len; i = ++_i) {\n unit = units[i];\n cutoff = Math.pow(this.options.filesizeBase, 4 - i) / 10;\n if (size >= cutoff) {\n selectedSize = size / Math.pow(this.options.filesizeBase, 4 - i);\n selectedUnit = unit;\n break;\n }\n }\n selectedSize = Math.round(10 * selectedSize) / 10;\n }\n return \"<strong>\" + selectedSize + \"</strong> \" + selectedUnit;\n };\n\n Dropzone.prototype._updateMaxFilesReachedClass = function() {\n if ((this.options.maxFiles != null) && this.getAcceptedFiles().length >= this.options.maxFiles) {\n if (this.getAcceptedFiles().length === this.options.maxFiles) {\n this.emit('maxfilesreached', this.files);\n }\n return this.element.classList.add(\"dz-max-files-reached\");\n } else {\n return this.element.classList.remove(\"dz-max-files-reached\");\n }\n };\n\n Dropzone.prototype.drop = function(e) {\n var files, items;\n if (!e.dataTransfer) {\n return;\n }\n this.emit(\"drop\", e);\n files = e.dataTransfer.files;\n this.emit(\"addedfiles\", files);\n if (files.length) {\n items = e.dataTransfer.items;\n if (items && items.length && (items[0].webkitGetAsEntry != null)) {\n this._addFilesFromItems(items);\n } else {\n this.handleFiles(files);\n }\n }\n };\n\n Dropzone.prototype.paste = function(e) {\n var items, _ref;\n if ((e != null ? (_ref = e.clipboardData) != null ? _ref.items : void 0 : void 0) == null) {\n return;\n }\n this.emit(\"paste\", e);\n items = e.clipboardData.items;\n if (items.length) {\n return this._addFilesFromItems(items);\n }\n };\n\n Dropzone.prototype.handleFiles = function(files) {\n var file, _i, _len, _results;\n _results = [];\n for (_i = 0, _len = files.length; _i < _len; _i++) {\n file = files[_i];\n _results.push(this.addFile(file));\n }\n return _results;\n };\n\n Dropzone.prototype._addFilesFromItems = function(items) {\n var entry, item, _i, _len, _results;\n _results = [];\n for (_i = 0, _len = items.length; _i < _len; _i++) {\n item = items[_i];\n if ((item.webkitGetAsEntry != null) && (entry = item.webkitGetAsEntry())) {\n if (entry.isFile) {\n _results.push(this.addFile(item.getAsFile()));\n } else if (entry.isDirectory) {\n _results.push(this._addFilesFromDirectory(entry, entry.name));\n } else {\n _results.push(void 0);\n }\n } else if (item.getAsFile != null) {\n if ((item.kind == null) || item.kind === \"file\") {\n _results.push(this.addFile(item.getAsFile()));\n } else {\n _results.push(void 0);\n }\n } else {\n _results.push(void 0);\n }\n }\n return _results;\n };\n\n Dropzone.prototype._addFilesFromDirectory = function(directory, path) {\n var dirReader, errorHandler, readEntries;\n dirReader = directory.createReader();\n errorHandler = function(error) {\n return typeof console !== \"undefined\" && console !== null ? typeof console.log === \"function\" ? console.log(error) : void 0 : void 0;\n };\n readEntries = (function(_this) {\n return function() {\n return dirReader.readEntries(function(entries) {\n var entry, _i, _len;\n if (entries.length > 0) {\n for (_i = 0, _len = entries.length; _i < _len; _i++) {\n entry = entries[_i];\n if (entry.isFile) {\n entry.file(function(file) {\n if (_this.options.ignoreHiddenFiles && file.name.substring(0, 1) === '.') {\n return;\n }\n file.fullPath = \"\" + path + \"/\" + file.name;\n return _this.addFile(file);\n });\n } else if (entry.isDirectory) {\n _this._addFilesFromDirectory(entry, \"\" + path + \"/\" + entry.name);\n }\n }\n readEntries();\n }\n return null;\n }, errorHandler);\n };\n })(this);\n return readEntries();\n };\n\n Dropzone.prototype.accept = function(file, done) {\n if (file.size > this.options.maxFilesize * 1024 * 1024) {\n return done(this.options.dictFileTooBig.replace(\"{{filesize}}\", Math.round(file.size / 1024 / 10.24) / 100).replace(\"{{maxFilesize}}\", this.options.maxFilesize));\n } else if (!Dropzone.isValidFile(file, this.options.acceptedFiles)) {\n return done(this.options.dictInvalidFileType);\n } else if ((this.options.maxFiles != null) && this.getAcceptedFiles().length >= this.options.maxFiles) {\n done(this.options.dictMaxFilesExceeded.replace(\"{{maxFiles}}\", this.options.maxFiles));\n return this.emit(\"maxfilesexceeded\", file);\n } else {\n return this.options.accept.call(this, file, done);\n }\n };\n\n Dropzone.prototype.addFile = function(file) {\n file.upload = {\n progress: 0,\n total: file.size,\n bytesSent: 0\n };\n this.files.push(file);\n file.status = Dropzone.ADDED;\n this.emit(\"addedfile\", file);\n this._enqueueThumbnail(file);\n return this.accept(file, (function(_this) {\n return function(error) {\n if (error) {\n file.accepted = false;\n _this._errorProcessing([file], error);\n } else {\n file.accepted = true;\n if (_this.options.autoQueue) {\n _this.enqueueFile(file);\n }\n }\n return _this._updateMaxFilesReachedClass();\n };\n })(this));\n };\n\n Dropzone.prototype.enqueueFiles = function(files) {\n var file, _i, _len;\n for (_i = 0, _len = files.length; _i < _len; _i++) {\n file = files[_i];\n this.enqueueFile(file);\n }\n return null;\n };\n\n Dropzone.prototype.enqueueFile = function(file) {\n if (file.status === Dropzone.ADDED && file.accepted === true) {\n file.status = Dropzone.QUEUED;\n if (this.options.autoProcessQueue) {\n return setTimeout(((function(_this) {\n return function() {\n return _this.processQueue();\n };\n })(this)), 0);\n }\n } else {\n throw new Error(\"This file can't be queued because it has already been processed or was rejected.\");\n }\n };\n\n Dropzone.prototype._thumbnailQueue = [];\n\n Dropzone.prototype._processingThumbnail = false;\n\n Dropzone.prototype._enqueueThumbnail = function(file) {\n if (this.options.createImageThumbnails && file.type.match(/image.*/) && file.size <= this.options.maxThumbnailFilesize * 1024 * 1024) {\n this._thumbnailQueue.push(file);\n return setTimeout(((function(_this) {\n return function() {\n return _this._processThumbnailQueue();\n };\n })(this)), 0);\n }\n };\n\n Dropzone.prototype._processThumbnailQueue = function() {\n if (this._processingThumbnail || this._thumbnailQueue.length === 0) {\n return;\n }\n this._processingThumbnail = true;\n return this.createThumbnail(this._thumbnailQueue.shift(), (function(_this) {\n return function() {\n _this._processingThumbnail = false;\n return _this._processThumbnailQueue();\n };\n })(this));\n };\n\n Dropzone.prototype.removeFile = function(file) {\n if (file.status === Dropzone.UPLOADING) {\n this.cancelUpload(file);\n }\n this.files = without(this.files, file);\n this.emit(\"removedfile\", file);\n if (this.files.length === 0) {\n return this.emit(\"reset\");\n }\n };\n\n Dropzone.prototype.removeAllFiles = function(cancelIfNecessary) {\n var file, _i, _len, _ref;\n if (cancelIfNecessary == null) {\n cancelIfNecessary = false;\n }\n _ref = this.files.slice();\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n file = _ref[_i];\n if (file.status !== Dropzone.UPLOADING || cancelIfNecessary) {\n this.removeFile(file);\n }\n }\n return null;\n };\n\n Dropzone.prototype.createThumbnail = function(file, callback) {\n var fileReader;\n fileReader = new FileReader;\n fileReader.onload = (function(_this) {\n return function() {\n if (file.type === \"image/svg+xml\") {\n _this.emit(\"thumbnail\", file, fileReader.result);\n if (callback != null) {\n callback();\n }\n return;\n }\n return _this.createThumbnailFromUrl(file, fileReader.result, callback);\n };\n })(this);\n return fileReader.readAsDataURL(file);\n };\n\n Dropzone.prototype.createThumbnailFromUrl = function(file, imageUrl, callback, crossOrigin) {\n var img;\n img = document.createElement(\"img\");\n if (crossOrigin) {\n img.crossOrigin = crossOrigin;\n }\n img.onload = (function(_this) {\n return function() {\n var canvas, ctx, resizeInfo, thumbnail, _ref, _ref1, _ref2, _ref3;\n file.width = img.width;\n file.height = img.height;\n resizeInfo = _this.options.resize.call(_this, file);\n if (resizeInfo.trgWidth == null) {\n resizeInfo.trgWidth = resizeInfo.optWidth;\n }\n if (resizeInfo.trgHeight == null) {\n resizeInfo.trgHeight = resizeInfo.optHeight;\n }\n canvas = document.createElement(\"canvas\");\n ctx = canvas.getContext(\"2d\");\n canvas.width = resizeInfo.trgWidth;\n canvas.height = resizeInfo.trgHeight;\n drawImageIOSFix(ctx, img, (_ref = resizeInfo.srcX) != null ? _ref : 0, (_ref1 = resizeInfo.srcY) != null ? _ref1 : 0, resizeInfo.srcWidth, resizeInfo.srcHeight, (_ref2 = resizeInfo.trgX) != null ? _ref2 : 0, (_ref3 = resizeInfo.trgY) != null ? _ref3 : 0, resizeInfo.trgWidth, resizeInfo.trgHeight);\n thumbnail = canvas.toDataURL(\"image/png\");\n _this.emit(\"thumbnail\", file, thumbnail);\n if (callback != null) {\n return callback();\n }\n };\n })(this);\n if (callback != null) {\n img.onerror = callback;\n }\n return img.src = imageUrl;\n };\n\n Dropzone.prototype.processQueue = function() {\n var i, parallelUploads, processingLength, queuedFiles;\n parallelUploads = this.options.parallelUploads;\n processingLength = this.getUploadingFiles().length;\n i = processingLength;\n if (processingLength >= parallelUploads) {\n return;\n }\n queuedFiles = this.getQueuedFiles();\n if (!(queuedFiles.length > 0)) {\n return;\n }\n if (this.options.uploadMultiple) {\n return this.processFiles(queuedFiles.slice(0, parallelUploads - processingLength));\n } else {\n while (i < parallelUploads) {\n if (!queuedFiles.length) {\n return;\n }\n this.processFile(queuedFiles.shift());\n i++;\n }\n }\n };\n\n Dropzone.prototype.processFile = function(file) {\n return this.processFiles([file]);\n };\n\n Dropzone.prototype.processFiles = function(files) {\n var file, _i, _len;\n for (_i = 0, _len = files.length; _i < _len; _i++) {\n file = files[_i];\n file.processing = true;\n file.status = Dropzone.UPLOADING;\n this.emit(\"processing\", file);\n }\n if (this.options.uploadMultiple) {\n this.emit(\"processingmultiple\", files);\n }\n return this.uploadFiles(files);\n };\n\n Dropzone.prototype._getFilesWithXhr = function(xhr) {\n var file, files;\n return files = (function() {\n var _i, _len, _ref, _results;\n _ref = this.files;\n _results = [];\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n file = _ref[_i];\n if (file.xhr === xhr) {\n _results.push(file);\n }\n }\n return _results;\n }).call(this);\n };\n\n Dropzone.prototype.cancelUpload = function(file) {\n var groupedFile, groupedFiles, _i, _j, _len, _len1, _ref;\n if (file.status === Dropzone.UPLOADING) {\n groupedFiles = this._getFilesWithXhr(file.xhr);\n for (_i = 0, _len = groupedFiles.length; _i < _len; _i++) {\n groupedFile = groupedFiles[_i];\n groupedFile.status = Dropzone.CANCELED;\n }\n file.xhr.abort();\n for (_j = 0, _len1 = groupedFiles.length; _j < _len1; _j++) {\n groupedFile = groupedFiles[_j];\n this.emit(\"canceled\", groupedFile);\n }\n if (this.options.uploadMultiple) {\n this.emit(\"canceledmultiple\", groupedFiles);\n }\n } else if ((_ref = file.status) === Dropzone.ADDED || _ref === Dropzone.QUEUED) {\n file.status = Dropzone.CANCELED;\n this.emit(\"canceled\", file);\n if (this.options.uploadMultiple) {\n this.emit(\"canceledmultiple\", [file]);\n }\n }\n if (this.options.autoProcessQueue) {\n return this.processQueue();\n }\n };\n\n resolveOption = function() {\n var args, option;\n option = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];\n if (typeof option === 'function') {\n return option.apply(this, args);\n }\n return option;\n };\n\n Dropzone.prototype.uploadFile = function(file) {\n return this.uploadFiles([file]);\n };\n\n Dropzone.prototype.uploadFiles = function(files) {\n var file, formData, handleError, headerName, headerValue, headers, i, input, inputName, inputType, key, method, option, progressObj, response, updateProgress, url, value, xhr, _i, _j, _k, _l, _len, _len1, _len2, _len3, _m, _ref, _ref1, _ref2, _ref3, _ref4, _ref5;\n xhr = new XMLHttpRequest();\n for (_i = 0, _len = files.length; _i < _len; _i++) {\n file = files[_i];\n file.xhr = xhr;\n }\n method = resolveOption(this.options.method, files);\n url = resolveOption(this.options.url, files);\n xhr.open(method, url, true);\n xhr.withCredentials = !!this.options.withCredentials;\n response = null;\n handleError = (function(_this) {\n return function() {\n var _j, _len1, _results;\n _results = [];\n for (_j = 0, _len1 = files.length; _j < _len1; _j++) {\n file = files[_j];\n _results.push(_this._errorProcessing(files, response || _this.options.dictResponseError.replace(\"{{statusCode}}\", xhr.status), xhr));\n }\n return _results;\n };\n })(this);\n updateProgress = (function(_this) {\n return function(e) {\n var allFilesFinished, progress, _j, _k, _l, _len1, _len2, _len3, _results;\n if (e != null) {\n progress = 100 * e.loaded / e.total;\n for (_j = 0, _len1 = files.length; _j < _len1; _j++) {\n file = files[_j];\n file.upload = {\n progress: progress,\n total: e.total,\n bytesSent: e.loaded\n };\n }\n } else {\n allFilesFinished = true;\n progress = 100;\n for (_k = 0, _len2 = files.length; _k < _len2; _k++) {\n file = files[_k];\n if (!(file.upload.progress === 100 && file.upload.bytesSent === file.upload.total)) {\n allFilesFinished = false;\n }\n file.upload.progress = progress;\n file.upload.bytesSent = file.upload.total;\n }\n if (allFilesFinished) {\n return;\n }\n }\n _results = [];\n for (_l = 0, _len3 = files.length; _l < _len3; _l++) {\n file = files[_l];\n _results.push(_this.emit(\"uploadprogress\", file, progress, file.upload.bytesSent));\n }\n return _results;\n };\n })(this);\n xhr.onload = (function(_this) {\n return function(e) {\n var _ref;\n if (files[0].status === Dropzone.CANCELED) {\n return;\n }\n if (xhr.readyState !== 4) {\n return;\n }\n response = xhr.responseText;\n if (xhr.getResponseHeader(\"content-type\") && ~xhr.getResponseHeader(\"content-type\").indexOf(\"application/json\")) {\n try {\n response = JSON.parse(response);\n } catch (_error) {\n e = _error;\n response = \"Invalid JSON response from server.\";\n }\n }\n updateProgress();\n if (!((200 <= (_ref = xhr.status) && _ref < 300))) {\n return handleError();\n } else {\n return _this._finished(files, response, e);\n }\n };\n })(this);\n xhr.onerror = (function(_this) {\n return function() {\n if (files[0].status === Dropzone.CANCELED) {\n return;\n }\n return handleError();\n };\n })(this);\n progressObj = (_ref = xhr.upload) != null ? _ref : xhr;\n progressObj.onprogress = updateProgress;\n headers = {\n \"Accept\": \"application/json\",\n \"Cache-Control\": \"no-cache\",\n \"X-Requested-With\": \"XMLHttpRequest\"\n };\n if (this.options.headers) {\n extend(headers, this.options.headers);\n }\n for (headerName in headers) {\n headerValue = headers[headerName];\n if (headerValue) {\n xhr.setRequestHeader(headerName, headerValue);\n }\n }\n formData = new FormData();\n if (this.options.params) {\n _ref1 = this.options.params;\n for (key in _ref1) {\n value = _ref1[key];\n formData.append(key, value);\n }\n }\n for (_j = 0, _len1 = files.length; _j < _len1; _j++) {\n file = files[_j];\n this.emit(\"sending\", file, xhr, formData);\n }\n if (this.options.uploadMultiple) {\n this.emit(\"sendingmultiple\", files, xhr, formData);\n }\n if (this.element.tagName === \"FORM\") {\n _ref2 = this.element.querySelectorAll(\"input, textarea, select, button\");\n for (_k = 0, _len2 = _ref2.length; _k < _len2; _k++) {\n input = _ref2[_k];\n inputName = input.getAttribute(\"name\");\n inputType = input.getAttribute(\"type\");\n if (input.tagName === \"SELECT\" && input.hasAttribute(\"multiple\")) {\n _ref3 = input.options;\n for (_l = 0, _len3 = _ref3.length; _l < _len3; _l++) {\n option = _ref3[_l];\n if (option.selected) {\n formData.append(inputName, option.value);\n }\n }\n } else if (!inputType || ((_ref4 = inputType.toLowerCase()) !== \"checkbox\" && _ref4 !== \"radio\") || input.checked) {\n formData.append(inputName, input.value);\n }\n }\n }\n for (i = _m = 0, _ref5 = files.length - 1; 0 <= _ref5 ? _m <= _ref5 : _m >= _ref5; i = 0 <= _ref5 ? ++_m : --_m) {\n formData.append(this._getParamName(i), files[i], this._renameFilename(files[i].name));\n }\n return this.submitRequest(xhr, formData, files);\n };\n\n Dropzone.prototype.submitRequest = function(xhr, formData, files) {\n return xhr.send(formData);\n };\n\n Dropzone.prototype._finished = function(files, responseText, e) {\n var file, _i, _len;\n for (_i = 0, _len = files.length; _i < _len; _i++) {\n file = files[_i];\n file.status = Dropzone.SUCCESS;\n this.emit(\"success\", file, responseText, e);\n this.emit(\"complete\", file);\n }\n if (this.options.uploadMultiple) {\n this.emit(\"successmultiple\", files, responseText, e);\n this.emit(\"completemultiple\", files);\n }\n if (this.options.autoProcessQueue) {\n return this.processQueue();\n }\n };\n\n Dropzone.prototype._errorProcessing = function(files, message, xhr) {\n var file, _i, _len;\n for (_i = 0, _len = files.length; _i < _len; _i++) {\n file = files[_i];\n file.status = Dropzone.ERROR;\n this.emit(\"error\", file, message, xhr);\n this.emit(\"complete\", file);\n }\n if (this.options.uploadMultiple) {\n this.emit(\"errormultiple\", files, message, xhr);\n this.emit(\"completemultiple\", files);\n }\n if (this.options.autoProcessQueue) {\n return this.processQueue();\n }\n };\n\n return Dropzone;\n\n })(Emitter);\n\n Dropzone.version = \"4.3.0\";\n\n Dropzone.options = {};\n\n Dropzone.optionsForElement = function(element) {\n if (element.getAttribute(\"id\")) {\n return Dropzone.options[camelize(element.getAttribute(\"id\"))];\n } else {\n return void 0;\n }\n };\n\n Dropzone.instances = [];\n\n Dropzone.forElement = function(element) {\n if (typeof element === \"string\") {\n element = document.querySelector(element);\n }\n if ((element != null ? element.dropzone : void 0) == null) {\n 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.\");\n }\n return element.dropzone;\n };\n\n Dropzone.autoDiscover = true;\n\n Dropzone.discover = function() {\n var checkElements, dropzone, dropzones, _i, _len, _results;\n if (document.querySelectorAll) {\n dropzones = document.querySelectorAll(\".dropzone\");\n } else {\n dropzones = [];\n checkElements = function(elements) {\n var el, _i, _len, _results;\n _results = [];\n for (_i = 0, _len = elements.length; _i < _len; _i++) {\n el = elements[_i];\n if (/(^| )dropzone($| )/.test(el.className)) {\n _results.push(dropzones.push(el));\n } else {\n _results.push(void 0);\n }\n }\n return _results;\n };\n checkElements(document.getElementsByTagName(\"div\"));\n checkElements(document.getElementsByTagName(\"form\"));\n }\n _results = [];\n for (_i = 0, _len = dropzones.length; _i < _len; _i++) {\n dropzone = dropzones[_i];\n if (Dropzone.optionsForElement(dropzone) !== false) {\n _results.push(new Dropzone(dropzone));\n } else {\n _results.push(void 0);\n }\n }\n return _results;\n };\n\n Dropzone.blacklistedBrowsers = [/opera.*Macintosh.*version\\/12/i];\n\n Dropzone.isBrowserSupported = function() {\n var capableBrowser, regex, _i, _len, _ref;\n capableBrowser = true;\n if (window.File && window.FileReader && window.FileList && window.Blob && window.FormData && document.querySelector) {\n if (!(\"classList\" in document.createElement(\"a\"))) {\n capableBrowser = false;\n } else {\n _ref = Dropzone.blacklistedBrowsers;\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n regex = _ref[_i];\n if (regex.test(navigator.userAgent)) {\n capableBrowser = false;\n continue;\n }\n }\n }\n } else {\n capableBrowser = false;\n }\n return capableBrowser;\n };\n\n without = function(list, rejectedItem) {\n var item, _i, _len, _results;\n _results = [];\n for (_i = 0, _len = list.length; _i < _len; _i++) {\n item = list[_i];\n if (item !== rejectedItem) {\n _results.push(item);\n }\n }\n return _results;\n };\n\n camelize = function(str) {\n return str.replace(/[\\-_](\\w)/g, function(match) {\n return match.charAt(1).toUpperCase();\n });\n };\n\n Dropzone.createElement = function(string) {\n var div;\n div = document.createElement(\"div\");\n div.innerHTML = string;\n return div.childNodes[0];\n };\n\n Dropzone.elementInside = function(element, container) {\n if (element === container) {\n return true;\n }\n while (element = element.parentNode) {\n if (element === container) {\n return true;\n }\n }\n return false;\n };\n\n Dropzone.getElement = function(el, name) {\n var element;\n if (typeof el === \"string\") {\n element = document.querySelector(el);\n } else if (el.nodeType != null) {\n element = el;\n }\n if (element == null) {\n throw new Error(\"Invalid `\" + name + \"` option provided. Please provide a CSS selector or a plain HTML element.\");\n }\n return element;\n };\n\n Dropzone.getElements = function(els, name) {\n var e, el, elements, _i, _j, _len, _len1, _ref;\n if (els instanceof Array) {\n elements = [];\n try {\n for (_i = 0, _len = els.length; _i < _len; _i++) {\n el = els[_i];\n elements.push(this.getElement(el, name));\n }\n } catch (_error) {\n e = _error;\n elements = null;\n }\n } else if (typeof els === \"string\") {\n elements = [];\n _ref = document.querySelectorAll(els);\n for (_j = 0, _len1 = _ref.length; _j < _len1; _j++) {\n el = _ref[_j];\n elements.push(el);\n }\n } else if (els.nodeType != null) {\n elements = [els];\n }\n if (!((elements != null) && elements.length)) {\n throw new Error(\"Invalid `\" + name + \"` option provided. Please provide a CSS selector, a plain HTML element or a list of those.\");\n }\n return elements;\n };\n\n Dropzone.confirm = function(question, accepted, rejected) {\n if (window.confirm(question)) {\n return accepted();\n } else if (rejected != null) {\n return rejected();\n }\n };\n\n Dropzone.isValidFile = function(file, acceptedFiles) {\n var baseMimeType, mimeType, validType, _i, _len;\n if (!acceptedFiles) {\n return true;\n }\n acceptedFiles = acceptedFiles.split(\",\");\n mimeType = file.type;\n baseMimeType = mimeType.replace(/\\/.*$/, \"\");\n for (_i = 0, _len = acceptedFiles.length; _i < _len; _i++) {\n validType = acceptedFiles[_i];\n validType = validType.trim();\n if (validType.charAt(0) === \".\") {\n if (file.name.toLowerCase().indexOf(validType.toLowerCase(), file.name.length - validType.length) !== -1) {\n return true;\n }\n } else if (/\\/\\*$/.test(validType)) {\n if (baseMimeType === validType.replace(/\\/.*$/, \"\")) {\n return true;\n }\n } else {\n if (mimeType === validType) {\n return true;\n }\n }\n }\n return false;\n };\n\n if (typeof jQuery !== \"undefined\" && jQuery !== null) {\n jQuery.fn.dropzone = function(options) {\n return this.each(function() {\n return new Dropzone(this, options);\n });\n };\n }\n\n if (typeof module !== \"undefined\" && module !== null) {\n module.exports = Dropzone;\n } else {\n window.Dropzone = Dropzone;\n }\n\n Dropzone.ADDED = \"added\";\n\n Dropzone.QUEUED = \"queued\";\n\n Dropzone.ACCEPTED = Dropzone.QUEUED;\n\n Dropzone.UPLOADING = \"uploading\";\n\n Dropzone.PROCESSING = Dropzone.UPLOADING;\n\n Dropzone.CANCELED = \"canceled\";\n\n Dropzone.ERROR = \"error\";\n\n Dropzone.SUCCESS = \"success\";\n\n\n /*\n \n Bugfix for iOS 6 and 7\n Source: http://stackoverflow.com/questions/11929099/html5-canvas-drawimage-ratio-bug-ios\n based on the work of https://github.com/stomita/ios-imagefile-megapixel\n */\n\n detectVerticalSquash = function(img) {\n var alpha, canvas, ctx, data, ey, ih, iw, py, ratio, sy;\n iw = img.naturalWidth;\n ih = img.naturalHeight;\n canvas = document.createElement(\"canvas\");\n canvas.width = 1;\n canvas.height = ih;\n ctx = canvas.getContext(\"2d\");\n ctx.drawImage(img, 0, 0);\n data = ctx.getImageData(0, 0, 1, ih).data;\n sy = 0;\n ey = ih;\n py = ih;\n while (py > sy) {\n alpha = data[(py - 1) * 4 + 3];\n if (alpha === 0) {\n ey = py;\n } else {\n sy = py;\n }\n py = (ey + sy) >> 1;\n }\n ratio = py / ih;\n if (ratio === 0) {\n return 1;\n } else {\n return ratio;\n }\n };\n\n drawImageIOSFix = function(ctx, img, sx, sy, sw, sh, dx, dy, dw, dh) {\n var vertSquashRatio;\n vertSquashRatio = detectVerticalSquash(img);\n return ctx.drawImage(img, sx, sy, sw, sh, dx, dy, dw, dh / vertSquashRatio);\n };\n\n\n /*\n * contentloaded.js\n *\n * Author: Diego Perini (diego.perini at gmail.com)\n * Summary: cross-browser wrapper for DOMContentLoaded\n * Updated: 20101020\n * License: MIT\n * Version: 1.2\n *\n * URL:\n * http://javascript.nwbox.com/ContentLoaded/\n * http://javascript.nwbox.com/ContentLoaded/MIT-LICENSE\n */\n\n contentLoaded = function(win, fn) {\n var add, doc, done, init, poll, pre, rem, root, top;\n done = false;\n top = true;\n doc = win.document;\n root = doc.documentElement;\n add = (doc.addEventListener ? \"addEventListener\" : \"attachEvent\");\n rem = (doc.addEventListener ? \"removeEventListener\" : \"detachEvent\");\n pre = (doc.addEventListener ? \"\" : \"on\");\n init = function(e) {\n if (e.type === \"readystatechange\" && doc.readyState !== \"complete\") {\n return;\n }\n (e.type === \"load\" ? win : doc)[rem](pre + e.type, init, false);\n if (!done && (done = true)) {\n return fn.call(win, e.type || e);\n }\n };\n poll = function() {\n var e;\n try {\n root.doScroll(\"left\");\n } catch (_error) {\n e = _error;\n setTimeout(poll, 50);\n return;\n }\n return init(\"poll\");\n };\n if (doc.readyState !== \"complete\") {\n if (doc.createEventObject && root.doScroll) {\n try {\n top = !win.frameElement;\n } catch (_error) {}\n if (top) {\n poll();\n }\n }\n doc[add](pre + \"DOMContentLoaded\", init, false);\n doc[add](pre + \"readystatechange\", init, false);\n return win[add](pre + \"load\", init, false);\n }\n };\n\n Dropzone._autoDiscoverFunction = function() {\n if (Dropzone.autoDiscover) {\n return Dropzone.discover();\n }\n };\n\n contentLoaded(window, Dropzone._autoDiscoverFunction);\n\n}).call(this);","output":"str","x":410,"y":380,"wires":[["4c2a0101.2130d"]]},{"id":"721c9d99.0d0064","type":"http in","z":"ddd6a687.e9783","name":"","url":"/complex","method":"get","upload":false,"swaggerDoc":"","x":170,"y":380,"wires":[["72e223ba.672874"]]},{"id":"5c63bf7.aba48c","type":"template","z":"ddd6a687.e9783","name":"html","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"<script>\n {{{dropzonejs}}}\n</script>\n<style>\n {{{css}}}\n</style>\n\n<script>\n // \"myAwesomeDropzone\" is the camelized version of the HTML element's ID\n Dropzone.options.myDropzone = {\n paramName: \"myFile\", // The name that will be used to transfer the file\n maxFilesize: 2, // MB\n accept: function(file, done) {\n if (file.name == \"justinbieber.jpg\") {\n done(\"Naha, you don't.\");\n }\n else { done(); }\n }\n };\n</script>\n\n<h1>Upload a file here:</h1>\n\n<form action=\"/uploadpretty\" class=\"dropzone\" method=\"post\" enctype=\"multipart/form-data\" id=\"my-dropzone\">\n <div class=\"fallback\">\n <input name=\"myFile\" type=\"file\" />\n <input type=\"submit\" value=\"Submit\">\n </div>\n</form>","output":"str","x":730,"y":380,"wires":[["a8d1613b.9a0478"]]},{"id":"a8d1613b.9a0478","type":"http response","z":"ddd6a687.e9783","name":"","x":890,"y":380,"wires":[]},{"id":"7d8e179a.283e4","type":"http response","z":"ddd6a687.e9783","name":"","x":650,"y":140,"wires":[]},{"id":"4c2a0101.2130d","type":"template","z":"ddd6a687.e9783","name":"css","field":"css","fieldType":"msg","format":"css","syntax":"mustache","template":"/*\n * The MIT License\n * Copyright (c) 2012 Matias Meno <[email protected]>\n */\n@-webkit-keyframes passing-through {\n 0% {\n opacity: 0;\n -webkit-transform: translateY(40px);\n -moz-transform: translateY(40px);\n -ms-transform: translateY(40px);\n -o-transform: translateY(40px);\n transform: translateY(40px); }\n 30%, 70% {\n opacity: 1;\n -webkit-transform: translateY(0px);\n -moz-transform: translateY(0px);\n -ms-transform: translateY(0px);\n -o-transform: translateY(0px);\n transform: translateY(0px); }\n 100% {\n opacity: 0;\n -webkit-transform: translateY(-40px);\n -moz-transform: translateY(-40px);\n -ms-transform: translateY(-40px);\n -o-transform: translateY(-40px);\n transform: translateY(-40px); } }\n@-moz-keyframes passing-through {\n 0% {\n opacity: 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translateY(0px);\n -o-transform: translateY(0px);\n transform: translateY(0px); } }\n@keyframes slide-in {\n 0% {\n opacity: 0;\n -webkit-transform: translateY(40px);\n -moz-transform: translateY(40px);\n -ms-transform: translateY(40px);\n -o-transform: translateY(40px);\n transform: translateY(40px); }\n 30% {\n opacity: 1;\n -webkit-transform: translateY(0px);\n -moz-transform: translateY(0px);\n -ms-transform: translateY(0px);\n -o-transform: translateY(0px);\n transform: translateY(0px); } }\n@-webkit-keyframes pulse {\n 0% {\n -webkit-transform: scale(1);\n -moz-transform: scale(1);\n -ms-transform: scale(1);\n -o-transform: scale(1);\n transform: scale(1); }\n 10% {\n -webkit-transform: scale(1.1);\n -moz-transform: scale(1.1);\n -ms-transform: scale(1.1);\n -o-transform: scale(1.1);\n transform: scale(1.1); }\n 20% {\n -webkit-transform: scale(1);\n -moz-transform: scale(1);\n -ms-transform: scale(1);\n -o-transform: scale(1);\n transform: scale(1); } }\n@-moz-keyframes pulse {\n 0% {\n -webkit-transform: scale(1);\n -moz-transform: scale(1);\n -ms-transform: scale(1);\n -o-transform: scale(1);\n transform: scale(1); }\n 10% {\n -webkit-transform: scale(1.1);\n -moz-transform: scale(1.1);\n -ms-transform: scale(1.1);\n -o-transform: scale(1.1);\n transform: scale(1.1); }\n 20% {\n -webkit-transform: scale(1);\n -moz-transform: scale(1);\n -ms-transform: scale(1);\n -o-transform: scale(1);\n transform: scale(1); } }\n@keyframes pulse {\n 0% {\n -webkit-transform: scale(1);\n -moz-transform: scale(1);\n -ms-transform: scale(1);\n -o-transform: scale(1);\n transform: scale(1); }\n 10% {\n -webkit-transform: scale(1.1);\n -moz-transform: scale(1.1);\n -ms-transform: scale(1.1);\n -o-transform: scale(1.1);\n transform: scale(1.1); }\n 20% {\n -webkit-transform: scale(1);\n -moz-transform: scale(1);\n -ms-transform: scale(1);\n -o-transform: scale(1);\n transform: scale(1); } }\n.dropzone, .dropzone * {\n box-sizing: border-box; }\n\n.dropzone {\n min-height: 150px;\n border: 2px solid rgba(0, 0, 0, 0.3);\n background: white;\n padding: 20px 20px; }\n .dropzone.dz-clickable {\n cursor: pointer; }\n .dropzone.dz-clickable * {\n cursor: default; }\n .dropzone.dz-clickable .dz-message, .dropzone.dz-clickable .dz-message * {\n cursor: pointer; }\n .dropzone.dz-started .dz-message {\n display: none; }\n .dropzone.dz-drag-hover {\n border-style: solid; }\n .dropzone.dz-drag-hover .dz-message {\n opacity: 0.5; }\n .dropzone .dz-message {\n text-align: center;\n margin: 2em 0; }\n .dropzone .dz-preview {\n position: relative;\n display: inline-block;\n vertical-align: top;\n margin: 16px;\n min-height: 100px; }\n .dropzone .dz-preview:hover {\n z-index: 1000; }\n .dropzone .dz-preview:hover .dz-details {\n opacity: 1; }\n .dropzone .dz-preview.dz-file-preview .dz-image {\n border-radius: 20px;\n background: #999;\n background: linear-gradient(to bottom, #eee, #ddd); }\n .dropzone .dz-preview.dz-file-preview .dz-details {\n opacity: 1; }\n .dropzone .dz-preview.dz-image-preview {\n background: white; }\n .dropzone .dz-preview.dz-image-preview .dz-details {\n -webkit-transition: opacity 0.2s linear;\n -moz-transition: opacity 0.2s linear;\n -ms-transition: opacity 0.2s linear;\n -o-transition: opacity 0.2s linear;\n transition: opacity 0.2s linear; }\n .dropzone .dz-preview .dz-remove {\n font-size: 14px;\n text-align: center;\n display: block;\n cursor: pointer;\n border: none; }\n .dropzone .dz-preview .dz-remove:hover {\n text-decoration: underline; }\n .dropzone .dz-preview:hover .dz-details {\n opacity: 1; }\n .dropzone .dz-preview .dz-details {\n z-index: 20;\n position: absolute;\n top: 0;\n left: 0;\n opacity: 0;\n font-size: 13px;\n min-width: 100%;\n max-width: 100%;\n padding: 2em 1em;\n text-align: center;\n color: rgba(0, 0, 0, 0.9);\n line-height: 150%; }\n .dropzone .dz-preview .dz-details .dz-size {\n margin-bottom: 1em;\n font-size: 16px; }\n .dropzone .dz-preview .dz-details .dz-filename {\n white-space: nowrap; }\n .dropzone .dz-preview .dz-details .dz-filename:hover span {\n border: 1px solid rgba(200, 200, 200, 0.8);\n background-color: rgba(255, 255, 255, 0.8); }\n .dropzone .dz-preview .dz-details .dz-filename:not(:hover) {\n overflow: hidden;\n text-overflow: ellipsis; }\n .dropzone .dz-preview .dz-details .dz-filename:not(:hover) span {\n border: 1px solid transparent; }\n .dropzone .dz-preview .dz-details .dz-filename span, .dropzone .dz-preview .dz-details .dz-size span {\n background-color: rgba(255, 255, 255, 0.4);\n padding: 0 0.4em;\n border-radius: 3px; }\n .dropzone .dz-preview:hover .dz-image img {\n -webkit-transform: scale(1.05, 1.05);\n -moz-transform: scale(1.05, 1.05);\n -ms-transform: scale(1.05, 1.05);\n -o-transform: scale(1.05, 1.05);\n transform: scale(1.05, 1.05);\n -webkit-filter: blur(8px);\n filter: blur(8px); }\n .dropzone .dz-preview .dz-image {\n border-radius: 20px;\n overflow: hidden;\n width: 120px;\n height: 120px;\n position: relative;\n display: block;\n z-index: 10; }\n .dropzone .dz-preview .dz-image img {\n display: block; }\n .dropzone .dz-preview.dz-success .dz-success-mark {\n -webkit-animation: passing-through 3s cubic-bezier(0.77, 0, 0.175, 1);\n -moz-animation: passing-through 3s cubic-bezier(0.77, 0, 0.175, 1);\n -ms-animation: passing-through 3s cubic-bezier(0.77, 0, 0.175, 1);\n -o-animation: passing-through 3s cubic-bezier(0.77, 0, 0.175, 1);\n animation: passing-through 3s cubic-bezier(0.77, 0, 0.175, 1); }\n .dropzone .dz-preview.dz-error .dz-error-mark {\n opacity: 1;\n -webkit-animation: slide-in 3s cubic-bezier(0.77, 0, 0.175, 1);\n -moz-animation: slide-in 3s cubic-bezier(0.77, 0, 0.175, 1);\n -ms-animation: slide-in 3s cubic-bezier(0.77, 0, 0.175, 1);\n -o-animation: slide-in 3s cubic-bezier(0.77, 0, 0.175, 1);\n animation: slide-in 3s cubic-bezier(0.77, 0, 0.175, 1); }\n .dropzone .dz-preview .dz-success-mark, .dropzone .dz-preview .dz-error-mark {\n pointer-events: none;\n opacity: 0;\n z-index: 500;\n position: absolute;\n display: block;\n top: 50%;\n left: 50%;\n margin-left: -27px;\n margin-top: -27px; }\n .dropzone .dz-preview .dz-success-mark svg, .dropzone .dz-preview .dz-error-mark svg {\n display: block;\n width: 54px;\n height: 54px; }\n .dropzone .dz-preview.dz-processing .dz-progress {\n opacity: 1;\n -webkit-transition: all 0.2s linear;\n -moz-transition: all 0.2s linear;\n -ms-transition: all 0.2s linear;\n -o-transition: all 0.2s linear;\n transition: all 0.2s linear; }\n .dropzone .dz-preview.dz-complete .dz-progress {\n opacity: 0;\n -webkit-transition: opacity 0.4s ease-in;\n -moz-transition: opacity 0.4s ease-in;\n -ms-transition: opacity 0.4s ease-in;\n -o-transition: opacity 0.4s ease-in;\n transition: opacity 0.4s ease-in; }\n .dropzone .dz-preview:not(.dz-processing) .dz-progress {\n -webkit-animation: pulse 6s ease infinite;\n -moz-animation: pulse 6s ease infinite;\n -ms-animation: pulse 6s ease infinite;\n -o-animation: pulse 6s ease infinite;\n animation: pulse 6s ease infinite; }\n .dropzone .dz-preview .dz-progress {\n opacity: 1;\n z-index: 1000;\n pointer-events: none;\n position: absolute;\n height: 16px;\n left: 50%;\n top: 50%;\n margin-top: -8px;\n width: 80px;\n margin-left: -40px;\n background: rgba(255, 255, 255, 0.9);\n -webkit-transform: scale(1);\n border-radius: 8px;\n overflow: hidden; }\n .dropzone .dz-preview .dz-progress .dz-upload {\n background: #333;\n background: linear-gradient(to bottom, #666, #444);\n position: absolute;\n top: 0;\n left: 0;\n bottom: 0;\n width: 0;\n -webkit-transition: width 300ms ease-in-out;\n -moz-transition: width 300ms ease-in-out;\n -ms-transition: width 300ms ease-in-out;\n -o-transition: width 300ms ease-in-out;\n transition: width 300ms ease-in-out; }\n .dropzone .dz-preview.dz-error .dz-error-message {\n display: block; }\n .dropzone .dz-preview.dz-error:hover .dz-error-message {\n opacity: 1;\n pointer-events: auto; }\n .dropzone .dz-preview .dz-error-message {\n pointer-events: none;\n z-index: 1000;\n position: absolute;\n display: block;\n display: none;\n opacity: 0;\n -webkit-transition: opacity 0.3s ease;\n -moz-transition: opacity 0.3s ease;\n -ms-transition: opacity 0.3s ease;\n -o-transition: opacity 0.3s ease;\n transition: opacity 0.3s ease;\n border-radius: 8px;\n font-size: 13px;\n top: 130px;\n left: -10px;\n width: 140px;\n background: #be2626;\n background: linear-gradient(to bottom, #be2626, #a92222);\n padding: 0.5em 1.2em;\n color: white; }\n .dropzone .dz-preview .dz-error-message:after {\n content: '';\n position: absolute;\n top: -6px;\n left: 64px;\n width: 0;\n height: 0;\n border-left: 6px solid transparent;\n border-right: 6px solid transparent;\n border-bottom: 6px solid #be2626; }","output":"str","x":590,"y":380,"wires":[["5c63bf7.aba48c"]]},{"id":"efe92067.f84b28","type":"http 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msg.req.files[0].buffer.toString();\n}\n\nreturn msg;","outputs":1,"noerr":0,"x":360,"y":140,"wires":[["e1643981.20d7c8"]]},{"id":"b493c450.18d678","type":"comment","z":"ddd6a687.e9783","name":"Complex","info":"","x":160,"y":340,"wires":[]},{"id":"df0237a0.3141f8","type":"debug","z":"ddd6a687.e9783","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"req.files","x":418,"y":497,"wires":[]}]
