--- /dev/null
+###
+#
+# 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.
+#
+###
+
+
+noop = ->
+
+
+# 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.
+class Emitter
+
+ # Add an event listener for given event
+ addEventListener: @::on
+ on: (event, fn) ->
+ @_callbacks = @_callbacks || {}
+ # Create namespace for this event
+ @_callbacks[event] = [] unless @_callbacks[event]
+ @_callbacks[event].push fn
+ return @
+
+
+ emit: (event, args...) ->
+ @_callbacks = @_callbacks || {}
+ callbacks = @_callbacks[event]
+
+ if callbacks
+ callback.apply @, args for callback in callbacks
+
+ return @
+
+ # 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.
+ removeListener: @::off
+ removeAllListeners: @::off
+ removeEventListener: @::off
+ off: (event, fn) ->
+ if !@_callbacks || arguments.length == 0
+ @_callbacks = {}
+ return @
+
+ # specific event
+ callbacks = @_callbacks[event]
+ return @ unless callbacks
+
+ # remove all handlers
+ if arguments.length == 1
+ delete @_callbacks[event]
+ return @
+
+ # remove specific handler
+ for callback, i in callbacks
+ if callback == fn
+ callbacks.splice i, 1
+ break
+
+ return @
+
+class Dropzone extends Emitter
+
+ # Exposing the emitter class, mainly for tests
+ 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() { });
+
+ ###
+ 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"
+ ]
+
+
+
+ defaultOptions:
+ url: null
+ method: "post"
+ withCredentials: no
+ parallelUploads: 2
+ uploadMultiple: no # Whether to send multiple files in one request.
+ maxFilesize: 256 # in MB
+ paramName: "file" # The name of the file param that gets transferred.
+ createImageThumbnails: true
+ maxThumbnailFilesize: 10 # in MB. When the filename exceeds this limit, the thumbnail will not be generated.
+ thumbnailWidth: 120
+ thumbnailHeight: 120
+
+ # 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
+
+ # Can be an object of additional parameters to transfer to the server.
+ # This is the same as adding hidden input fields in the form element.
+ params: { }
+
+ # If true, the dropzone will present a file selector when clicked.
+ clickable: yes
+
+ # Whether hidden files in directories should be ignored.
+ ignoreHiddenFiles: yes
+
+ # You can set accepted mime types here.
+ #
+ # The default implementation of the `accept()` function will check this
+ # property, and if the Dropzone is clickable this will be used as
+ # `accept` attribute.
+ #
+ # This is a comma separated list of mime types or extensions. E.g.:
+ #
+ # audio/*,video/*,image/png,.pdf
+ #
+ # See https://developer.mozilla.org/en-US/docs/HTML/Element/input#attr-accept
+ # for a reference.
+ 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()
+ autoProcessQueue: on
+
+ # If false, files added to the dropzone will not be queued by default.
+ # You'll have to call `enqueueFile(file)` manually.
+ autoQueue: on
+
+ # If true, Dropzone will add a link to each file preview to cancel/remove
+ # the upload.
+ # See dictCancelUpload and dictRemoveFile to use different words.
+ addRemoveLinks: no
+
+ # A CSS selector or HTML element for the file previews container.
+ # If null, the dropzone element itself will be used.
+ # If false, previews won't be rendered.
+ previewsContainer: null
+
+ # Selector for hidden input container
+ 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
+
+ # Before the file is appended to the formData, the function _renameFilename is performed for file.name
+ # which executes the function defined in renameFilename
+ renameFilename: null
+
+ # Dictionary
+
+ # 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 null, no text will be added at all.
+ dictFallbackText: "Please use the fallback form below to upload your files like in the olden days."
+
+ # If the filesize is too big.
+ 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.
+ dictResponseError: "Server responded with {{statusCode}} code."
+
+ # If used, the text to be used for the cancel upload link.
+ dictCancelUpload: "Cancel upload"
+
+ # If used, the text to be used for confirmation when cancelling upload.
+ dictCancelUploadConfirmation: "Are you sure you want to cancel this upload?"
+
+ # If used, 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 when the maxFiles have been exceeded
+ # You can use {{maxFiles}} here, which will be replaced by the option.
+ dictMaxFilesExceeded: "You can not upload any more files."
+
+
+ # 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).
+ accept: (file, done) -> done()
+
+
+ # Called when dropzone initialized
+ # You can add event listeners here
+ init: -> noop
+
+ # Used to debug dropzone and force the fallback form.
+ forceFallback: off
+
+ # Called when the browser does not support drag and drop
+ fallback: ->
+ # This code should pass in IE7... :(
+ @element.className = "#{@element.className} dz-browser-not-supported"
+
+ for child in @element.getElementsByTagName "div"
+ if /(^| )dz-message($| )/.test child.className
+ messageElement = child
+ child.className = "dz-message" # Removes the 'dz-default' class
+ continue
+ unless messageElement
+ messageElement = Dropzone.createElement """<div class="dz-message"><span></span></div>"""
+ @element.appendChild messageElement
+
+ span = messageElement.getElementsByTagName("span")[0]
+ if span
+ if span.textContent?
+ span.textContent = @options.dictFallbackMessage
+ else if span.innerText?
+ span.innerText = @options.dictFallbackMessage
+
+ @element.appendChild @getFallbackForm()
+
+
+
+ # Gets called to calculate the thumbnail dimensions.
+ #
+ # You can use file.width, file.height, options.thumbnailWidth and
+ # options.thumbnailHeight to calculate the dimensions.
+ #
+ # The dimensions are going to be used like this:
+ #
+ # var info = @options.resize.call(this, file);
+ # ctx.drawImage(img, info.srcX, info.srcY, info.srcWidth, info.srcHeight, info.trgX, info.trgY, info.trgWidth, info.trgHeight);
+ #
+ # srcX, srcy, trgX and trgY can be omitted (in which case 0 is assumed).
+ # trgWidth and trgHeight can be omitted (in which case the options.thumbnailWidth / options.thumbnailHeight are used)
+ resize: (file) ->
+ info =
+ srcX: 0
+ srcY: 0
+ srcWidth: file.width
+ srcHeight: file.height
+
+ srcRatio = file.width / file.height
+
+ info.optWidth = @options.thumbnailWidth
+ info.optHeight = @options.thumbnailHeight
+
+ # automatically calculate dimensions if not specified
+ if !info.optWidth? and !info.optHeight?
+ info.optWidth = info.srcWidth
+ info.optHeight = info.srcHeight
+ else if !info.optWidth?
+ info.optWidth = srcRatio * info.optHeight
+ else if !info.optHeight?
+ info.optHeight = (1/srcRatio) * info.optWidth
+
+ trgRatio = info.optWidth / info.optHeight
+
+ if file.height < info.optHeight or file.width < info.optWidth
+ # This image is smaller than the canvas
+ info.trgHeight = info.srcHeight
+ info.trgWidth = info.srcWidth
+
+ else
+ # Image is bigger and needs rescaling
+ if srcRatio > trgRatio
+ info.srcHeight = file.height
+ info.srcWidth = info.srcHeight * trgRatio
+ else
+ info.srcWidth = file.width
+ info.srcHeight = info.srcWidth / trgRatio
+
+ info.srcX = (file.width - info.srcWidth) / 2
+ info.srcY = (file.height - info.srcHeight) / 2
+
+ return info
+
+
+ ###
+ 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: (e) -> @element.classList.remove "dz-drag-hover"
+ dragstart: noop
+ dragend: (e) -> @element.classList.remove "dz-drag-hover"
+ dragenter: (e) -> @element.classList.add "dz-drag-hover"
+ dragover: (e) -> @element.classList.add "dz-drag-hover"
+ dragleave: (e) -> @element.classList.remove "dz-drag-hover"
+
+ paste: noop
+
+ # Called whenever there are no files left in the dropzone anymore, and the
+ # dropzone should be displayed as if in the initial state.
+ reset: ->
+ @element.classList.remove "dz-started"
+
+ # Called when a file is added to the queue
+ # Receives `file`
+ addedfile: (file) ->
+ @element.classList.add "dz-started" if @element == @previewsContainer
+
+ if @previewsContainer
+ file.previewElement = Dropzone.createElement @options.previewTemplate.trim()
+ file.previewTemplate = file.previewElement # Backwards compatibility
+
+ @previewsContainer.appendChild file.previewElement
+ node.textContent = @_renameFilename(file.name) for node in file.previewElement.querySelectorAll("[data-dz-name]")
+ node.innerHTML = @filesize file.size for node in file.previewElement.querySelectorAll("[data-dz-size]")
+
+ if @options.addRemoveLinks
+ file._removeLink = Dropzone.createElement """<a class="dz-remove" href="javascript:undefined;" data-dz-remove>#{@options.dictRemoveFile}</a>"""
+ file.previewElement.appendChild file._removeLink
+
+ removeFileEvent = (e) =>
+ e.preventDefault()
+ e.stopPropagation()
+ if file.status == Dropzone.UPLOADING
+ Dropzone.confirm @options.dictCancelUploadConfirmation, => @removeFile file
+ else
+ if @options.dictRemoveFileConfirmation
+ Dropzone.confirm @options.dictRemoveFileConfirmation, => @removeFile file
+ else
+ @removeFile file
+
+ removeLink.addEventListener "click", removeFileEvent for removeLink in file.previewElement.querySelectorAll("[data-dz-remove]")
+
+
+ # Called whenever a file is removed.
+ removedfile: (file) ->
+ file.previewElement?.parentNode.removeChild file.previewElement if file.previewElement
+ @_updateMaxFilesReachedClass()
+
+ # Called when a thumbnail has been generated
+ # Receives `file` and `dataUrl`
+ thumbnail: (file, dataUrl) ->
+ if file.previewElement
+ file.previewElement.classList.remove "dz-file-preview"
+ for thumbnailElement in file.previewElement.querySelectorAll("[data-dz-thumbnail]")
+ thumbnailElement.alt = file.name
+ thumbnailElement.src = dataUrl
+
+ setTimeout (=> file.previewElement.classList.add "dz-image-preview"), 1
+
+ # Called whenever an error occurs
+ # Receives `file` and `message`
+ error: (file, message) ->
+ if file.previewElement
+ file.previewElement.classList.add "dz-error"
+ message = message.error if typeof message != "String" and message.error
+ node.textContent = message for node in file.previewElement.querySelectorAll("[data-dz-errormessage]")
+
+ errormultiple: noop
+
+ # Called when a file gets processed. Since there is a cue, not all added
+ # files are processed immediately.
+ # Receives `file`
+ processing: (file) ->
+ if file.previewElement
+ file.previewElement.classList.add "dz-processing"
+ file._removeLink.textContent = @options.dictCancelUpload if file._removeLink
+
+ processingmultiple: noop
+
+ # 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: (file, progress, bytesSent) ->
+ if file.previewElement
+ for node in file.previewElement.querySelectorAll("[data-dz-uploadprogress]")
+ if node.nodeName is 'PROGRESS'
+ node.value = progress
+ else
+ node.style.width = "#{progress}%"
+
+ # Called whenever the total upload progress gets updated.
+ # Called with totalUploadProgress (0-100), totalBytes and totalBytesSent
+ totaluploadprogress: noop
+
+ # 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: noop
+
+ sendingmultiple: noop
+
+ # When the complete upload is finished and successful
+ # Receives `file`
+ success: (file) ->
+ file.previewElement.classList.add "dz-success" if file.previewElement
+
+ successmultiple: noop
+
+ # When the upload is canceled.
+ canceled: (file) -> @emit "error", file, "Upload canceled."
+
+ canceledmultiple: noop
+
+ # When the upload is finished, either with success or an error.
+ # Receives `file`
+ complete: (file) ->
+ file._removeLink.textContent = @options.dictRemoveFile if file._removeLink
+ file.previewElement.classList.add "dz-complete" if file.previewElement
+
+ completemultiple: noop
+
+ maxfilesexceeded: noop
+
+ maxfilesreached: noop
+
+ queuecomplete: noop
+
+ addedfiles: noop
+
+
+ # This template will be chosen when a new file is dropped.
+ previewTemplate: """
+ <div class="dz-preview dz-file-preview">
+ <div class="dz-image"><img data-dz-thumbnail /></div>
+ <div class="dz-details">
+ <div class="dz-size"><span data-dz-size></span></div>
+ <div class="dz-filename"><span data-dz-name></span></div>
+ </div>
+ <div class="dz-progress"><span class="dz-upload" data-dz-uploadprogress></span></div>
+ <div class="dz-error-message"><span data-dz-errormessage></span></div>
+ <div class="dz-success-mark">
+ <svg width="54px" height="54px" viewBox="0 0 54 54" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sketch="http://www.bohemiancoding.com/sketch/ns">
+ <title>Check</title>
+ <defs></defs>
+ <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" sketch:type="MSPage">
+ <path d="M23.5,31.8431458 L17.5852419,25.9283877 C16.0248253,24.3679711 13.4910294,24.366835 11.9289322,25.9289322 C10.3700136,27.4878508 10.3665912,30.0234455 11.9283877,31.5852419 L20.4147581,40.0716123 C20.5133999,40.1702541 20.6159315,40.2626649 20.7218615,40.3488435 C22.2835669,41.8725651 24.794234,41.8626202 26.3461564,40.3106978 L43.3106978,23.3461564 C44.8771021,21.7797521 44.8758057,19.2483887 43.3137085,17.6862915 C41.7547899,16.1273729 39.2176035,16.1255422 37.6538436,17.6893022 L23.5,31.8431458 Z M27,53 C41.3594035,53 53,41.3594035 53,27 C53,12.6405965 41.3594035,1 27,1 C12.6405965,1 1,12.6405965 1,27 C1,41.3594035 12.6405965,53 27,53 Z" id="Oval-2" stroke-opacity="0.198794158" stroke="#747474" fill-opacity="0.816519475" fill="#FFFFFF" sketch:type="MSShapeGroup"></path>
+ </g>
+ </svg>
+ </div>
+ <div class="dz-error-mark">
+ <svg width="54px" height="54px" viewBox="0 0 54 54" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sketch="http://www.bohemiancoding.com/sketch/ns">
+ <title>Error</title>
+ <defs></defs>
+ <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" sketch:type="MSPage">
+ <g id="Check-+-Oval-2" sketch:type="MSLayerGroup" stroke="#747474" stroke-opacity="0.198794158" fill="#FFFFFF" fill-opacity="0.816519475">
+ <path d="M32.6568542,29 L38.3106978,23.3461564 C39.8771021,21.7797521 39.8758057,19.2483887 38.3137085,17.6862915 C36.7547899,16.1273729 34.2176035,16.1255422 32.6538436,17.6893022 L27,23.3431458 L21.3461564,17.6893022 C19.7823965,16.1255422 17.2452101,16.1273729 15.6862915,17.6862915 C14.1241943,19.2483887 14.1228979,21.7797521 15.6893022,23.3461564 L21.3431458,29 L15.6893022,34.6538436 C14.1228979,36.2202479 14.1241943,38.7516113 15.6862915,40.3137085 C17.2452101,41.8726271 19.7823965,41.8744578 21.3461564,40.3106978 L27,34.6568542 L32.6538436,40.3106978 C34.2176035,41.8744578 36.7547899,41.8726271 38.3137085,40.3137085 C39.8758057,38.7516113 39.8771021,36.2202479 38.3106978,34.6538436 L32.6568542,29 Z M27,53 C41.3594035,53 53,41.3594035 53,27 C53,12.6405965 41.3594035,1 27,1 C12.6405965,1 1,12.6405965 1,27 C1,41.3594035 12.6405965,53 27,53 Z" id="Oval-2" sketch:type="MSShapeGroup"></path>
+ </g>
+ </g>
+ </svg>
+ </div>
+ </div>
+ """
+
+ # global utility
+ extend = (target, objects...) ->
+ for object in objects
+ target[key] = val for key, val of object
+ target
+
+ constructor: (@element, options) ->
+ # For backwards compatibility since the version was in the prototype previously
+ @version = Dropzone.version
+
+ @defaultOptions.previewTemplate = @defaultOptions.previewTemplate.replace /\n*/g, ""
+
+ @clickableElements = [ ]
+ @listeners = [ ]
+ @files = [] # All files
+
+ @element = document.querySelector @element if typeof @element == "string"
+
+ # Not checking if instance of HTMLElement or Element since IE9 is extremely weird.
+ throw new Error "Invalid dropzone element." unless @element and @element.nodeType?
+
+ throw new Error "Dropzone already attached." if @element.dropzone
+
+ # Now add this dropzone to the instances.
+ Dropzone.instances.push @
+
+ # Put the dropzone inside the element itself.
+ @element.dropzone = @
+
+ elementOptions = Dropzone.optionsForElement(@element) ? { }
+
+ @options = extend { }, @defaultOptions, elementOptions, options ? { }
+
+ # If the browser failed, just call the fallback and leave
+ return @options.fallback.call this if @options.forceFallback or !Dropzone.isBrowserSupported()
+
+ # @options.url = @element.getAttribute "action" unless @options.url?
+ @options.url = @element.getAttribute "action" unless @options.url?
+
+ throw new Error "No URL provided." unless @options.url
+
+ throw new Error "You can't provide both 'acceptedFiles' and 'acceptedMimeTypes'. 'acceptedMimeTypes' is deprecated." if @options.acceptedFiles and @options.acceptedMimeTypes
+
+ # Backwards compatibility
+ if @options.acceptedMimeTypes
+ @options.acceptedFiles = @options.acceptedMimeTypes
+ delete @options.acceptedMimeTypes
+
+ @options.method = @options.method.toUpperCase()
+
+ if (fallback = @getExistingFallback()) and 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 @options.previewsContainer != false
+ if @options.previewsContainer
+ @previewsContainer = Dropzone.getElement @options.previewsContainer, "previewsContainer"
+ else
+ @previewsContainer = @element
+
+ if @options.clickable
+ if @options.clickable == yes
+ @clickableElements = [ @element ]
+ else
+ @clickableElements = Dropzone.getElements @options.clickable, "clickable"
+
+
+ @init()
+
+
+ # Returns all files that have been accepted
+ getAcceptedFiles: -> file for file in @files when file.accepted
+
+ # Returns all files that have been rejected
+ # Not sure when that's going to be useful, but added for completeness.
+ getRejectedFiles: -> file for file in @files when not file.accepted
+
+ getFilesWithStatus: (status) -> file for file in @files when file.status == status
+
+ # Returns all files that are in the queue
+ getQueuedFiles: -> @getFilesWithStatus Dropzone.QUEUED
+
+ getUploadingFiles: -> @getFilesWithStatus Dropzone.UPLOADING
+
+ getAddedFiles: -> @getFilesWithStatus Dropzone.ADDED
+
+ # Files that are either queued or uploading
+ getActiveFiles: -> file for file in @files when file.status == Dropzone.UPLOADING or file.status == Dropzone.QUEUED
+
+
+ init: ->
+ # In case it isn't set already
+ @element.setAttribute("enctype", "multipart/form-data") if @element.tagName == "form"
+
+ if @element.classList.contains("dropzone") and !@element.querySelector(".dz-message")
+ @element.appendChild Dropzone.createElement """<div class="dz-default dz-message"><span>#{@options.dictDefaultMessage}</span></div>"""
+
+ if @clickableElements.length
+ setupHiddenFileInput = =>
+ @hiddenFileInput.parentNode.removeChild @hiddenFileInput if @hiddenFileInput
+ @hiddenFileInput = document.createElement "input"
+ @hiddenFileInput.setAttribute "type", "file"
+ @hiddenFileInput.setAttribute "multiple", "multiple" if !@options.maxFiles? || @options.maxFiles > 1
+ @hiddenFileInput.className = "dz-hidden-input"
+
+ @hiddenFileInput.setAttribute "accept", @options.acceptedFiles if @options.acceptedFiles?
+ @hiddenFileInput.setAttribute "capture", @options.capture if @options.capture?
+
+ # Not setting `display="none"` because some browsers don't accept clicks
+ # on elements that aren't displayed.
+ @hiddenFileInput.style.visibility = "hidden"
+ @hiddenFileInput.style.position = "absolute"
+ @hiddenFileInput.style.top = "0"
+ @hiddenFileInput.style.left = "0"
+ @hiddenFileInput.style.height = "0"
+ @hiddenFileInput.style.width = "0"
+ document.querySelector(@options.hiddenInputContainer).appendChild @hiddenFileInput
+ @hiddenFileInput.addEventListener "change", =>
+ files = @hiddenFileInput.files
+ @addFile file for file in files if files.length
+ @emit "addedfiles", files
+ setupHiddenFileInput()
+ setupHiddenFileInput()
+
+ @URL = 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.
+ @on eventName, @options[eventName] for eventName in @events
+
+ @on "uploadprogress", => @updateTotalUploadProgress()
+
+ @on "removedfile", => @updateTotalUploadProgress()
+
+ @on "canceled", (file) => @emit "complete", file
+
+ # Emit a `queuecomplete` event if all files finished uploading.
+ @on "complete", (file) =>
+ if @getAddedFiles().length == 0 and @getUploadingFiles().length == 0 and @getQueuedFiles().length == 0
+ # This needs to be deferred so that `queuecomplete` really triggers after `complete`
+ setTimeout (=> @emit "queuecomplete"), 0
+
+
+ noPropagation = (e) ->
+ e.stopPropagation()
+ if e.preventDefault
+ e.preventDefault()
+ else
+ e.returnValue = false
+
+ # Create the listeners
+ @listeners = [
+ {
+ element: @element
+ events:
+ "dragstart": (e) =>
+ @emit "dragstart", e
+ "dragenter": (e) =>
+ noPropagation e
+ @emit "dragenter", e
+ "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)
+ try efct = e.dataTransfer.effectAllowed
+ e.dataTransfer.dropEffect = if 'move' == efct or 'linkMove' == efct then 'move' else 'copy'
+
+ noPropagation e
+ @emit "dragover", e
+ "dragleave": (e) =>
+ @emit "dragleave", e
+ "drop": (e) =>
+ noPropagation e
+ @drop e
+ "dragend": (e) =>
+ @emit "dragend", e
+
+ # This is disabled right now, because the browsers don't implement it properly.
+ # "paste": (e) =>
+ # noPropagation e
+ # @paste e
+ }
+ ]
+
+ @clickableElements.forEach (clickableElement) =>
+ @listeners.push
+ element: clickableElement
+ events:
+ "click": (evt) =>
+ # Only the actual dropzone or the message element should trigger file selection
+ if (clickableElement != @element) or (evt.target == @element or Dropzone.elementInside evt.target, @element.querySelector ".dz-message")
+ @hiddenFileInput.click() # Forward the click
+ return true
+
+ @enable()
+
+ @options.init.call @
+
+ # Not fully tested yet
+ destroy: ->
+ @disable()
+ @removeAllFiles true
+ if @hiddenFileInput?.parentNode
+ @hiddenFileInput.parentNode.removeChild @hiddenFileInput
+ @hiddenFileInput = null
+ delete @element.dropzone
+ Dropzone.instances.splice Dropzone.instances.indexOf(this), 1
+
+
+ updateTotalUploadProgress: ->
+ totalBytesSent = 0
+ totalBytes = 0
+
+ activeFiles = @getActiveFiles()
+
+ if activeFiles.length
+ for file in @getActiveFiles()
+ totalBytesSent += file.upload.bytesSent
+ totalBytes += file.upload.total
+ totalUploadProgress = 100 * totalBytesSent / totalBytes
+ else
+ totalUploadProgress = 100
+
+ @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.
+ _getParamName: (n) ->
+ if typeof @options.paramName is "function"
+ @options.paramName n
+ else
+ "#{@options.paramName}#{if @options.uploadMultiple then "[#{n}]" else ""}"
+
+ # If @options.renameFilename is a function,
+ # the function will be used to rename the file.name before appending it to the formData
+ _renameFilename: (name) ->
+ return name unless typeof @options.renameFilename is "function"
+ @options.renameFilename name
+
+ # 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 :(
+ getFallbackForm: ->
+ return existingFallback if existingFallback = @getExistingFallback()
+
+ fieldsString = """<div class="dz-fallback">"""
+ fieldsString += """<p>#{@options.dictFallbackText}</p>""" if @options.dictFallbackText
+ fieldsString += """<input type="file" name="#{@_getParamName 0}" #{if @options.uploadMultiple then 'multiple="multiple"' } /><input type="submit" value="Upload!"></div>"""
+
+ fields = Dropzone.createElement fieldsString
+ if @element.tagName isnt "FORM"
+ form = Dropzone.createElement("""<form action="#{@options.url}" enctype="multipart/form-data" method="#{@options.method}"></form>""")
+ form.appendChild fields
+ else
+ # Make sure that the enctype and method attributes are set properly
+ @element.setAttribute "enctype", "multipart/form-data"
+ @element.setAttribute "method", @options.method
+ form ? fields
+
+
+ # Returns the fallback elements if they exist already
+ #
+ # This code has to pass in IE7 :(
+ getExistingFallback: ->
+ getFallback = (elements) -> return el for el in elements when /(^| )fallback($| )/.test el.className
+
+ for tagName in [ "div", "form" ]
+ return fallback if fallback = getFallback @element.getElementsByTagName tagName
+
+
+ # Activates all listeners stored in @listeners
+ setupEventListeners: ->
+ for elementListeners in @listeners
+ elementListeners.element.addEventListener event, listener, false for event, listener of elementListeners.events
+
+
+ # Deactivates all listeners stored in @listeners
+ removeEventListeners: ->
+ for elementListeners in @listeners
+ elementListeners.element.removeEventListener event, listener, false for event, listener of elementListeners.events
+
+ # Removes all event listeners and cancels all files in the queue or being processed.
+ disable: ->
+ @clickableElements.forEach (element) -> element.classList.remove "dz-clickable"
+ @removeEventListeners()
+
+ @cancelUpload file for file in @files
+
+ enable: ->
+ @clickableElements.forEach (element) -> element.classList.add "dz-clickable"
+ @setupEventListeners()
+
+ # Returns a nicely formatted filesize
+ filesize: (size) ->
+ selectedSize = 0
+ selectedUnit = "b"
+
+ if size > 0
+ units = [ 'TB', 'GB', 'MB', 'KB', 'b' ]
+
+ for unit, i in units
+ cutoff = Math.pow(@options.filesizeBase, 4 - i) / 10
+
+ if size >= cutoff
+ selectedSize = size / Math.pow(@options.filesizeBase, 4 - i)
+ selectedUnit = unit
+ break
+
+ selectedSize = Math.round(10 * selectedSize) / 10 # Cutting of digits
+
+ "<strong>#{selectedSize}</strong> #{selectedUnit}"
+
+
+ # Adds or removes the `dz-max-files-reached` class from the form.
+ _updateMaxFilesReachedClass: ->
+ if @options.maxFiles? and @getAcceptedFiles().length >= @options.maxFiles
+ @emit 'maxfilesreached', @files if @getAcceptedFiles().length == @options.maxFiles
+ @element.classList.add "dz-max-files-reached"
+ else
+ @element.classList.remove "dz-max-files-reached"
+
+
+
+ drop: (e) ->
+ return unless e.dataTransfer
+ @emit "drop", e
+
+ files = e.dataTransfer.files
+ @emit "addedfiles", files
+
+ # Even if it's a folder, files.length will contain the folders.
+ if files.length
+ items = e.dataTransfer.items
+ if items and items.length and (items[0].webkitGetAsEntry?)
+ # The browser supports dropping of folders, so handle items instead of files
+ @_addFilesFromItems items
+ else
+ @handleFiles files
+ return
+
+ paste: (e) ->
+ return unless e?.clipboardData?.items?
+
+ @emit "paste", e
+ items = e.clipboardData.items
+
+ @_addFilesFromItems items if items.length
+
+
+ handleFiles: (files) ->
+ @addFile file for file in files
+
+ # When a folder is dropped (or files are pasted), items must be handled
+ # instead of files.
+ _addFilesFromItems: (items) ->
+ for item in items
+ if item.webkitGetAsEntry? and entry = item.webkitGetAsEntry()
+ if entry.isFile
+ @addFile item.getAsFile()
+ else if entry.isDirectory
+ # Append all files from that directory to files
+ @_addFilesFromDirectory entry, entry.name
+ else if item.getAsFile?
+ if !item.kind? or item.kind == "file"
+ @addFile item.getAsFile()
+
+
+ # Goes through the directory, and adds each file it finds recursively
+ _addFilesFromDirectory: (directory, path) ->
+ dirReader = directory.createReader()
+
+ errorHandler = (error) -> console?.log? error
+
+ readEntries = () =>
+ dirReader.readEntries (entries) =>
+ if entries.length > 0
+ for entry in entries
+ if entry.isFile
+ entry.file (file) =>
+ return if @options.ignoreHiddenFiles and file.name.substring(0, 1) is '.'
+ file.fullPath = "#{path}/#{file.name}"
+ @addFile file
+ else if entry.isDirectory
+ @_addFilesFromDirectory entry, "#{path}/#{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
+ readEntries()
+ return null
+ , errorHandler
+
+ 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.
+ accept: (file, done) ->
+ if file.size > @options.maxFilesize * 1024 * 1024
+ done @options.dictFileTooBig.replace("{{filesize}}", Math.round(file.size / 1024 / 10.24) / 100).replace("{{maxFilesize}}", @options.maxFilesize)
+ else unless Dropzone.isValidFile file, @options.acceptedFiles
+ done @options.dictInvalidFileType
+ else if @options.maxFiles? and @getAcceptedFiles().length >= @options.maxFiles
+ done @options.dictMaxFilesExceeded.replace "{{maxFiles}}", @options.maxFiles
+ @emit "maxfilesexceeded", file
+ else
+ @options.accept.call this, file, done
+
+ addFile: (file) ->
+ file.upload =
+ 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
+ @files.push file
+
+ file.status = Dropzone.ADDED
+
+ @emit "addedfile", file
+
+ @_enqueueThumbnail file
+
+ @accept file, (error) =>
+ if error
+ file.accepted = false
+ @_errorProcessing [ file ], error # Will set the file.status
+ else
+ file.accepted = true
+ @enqueueFile file if @options.autoQueue # Will set .accepted = true
+ @_updateMaxFilesReachedClass()
+
+
+ # Wrapper for enqueueFile
+ enqueueFiles: (files) -> @enqueueFile file for file in files; null
+
+ enqueueFile: (file) ->
+ if file.status == Dropzone.ADDED and file.accepted == true
+ file.status = Dropzone.QUEUED
+ if @options.autoProcessQueue
+ setTimeout (=> @processQueue()), 0 # Deferring the call
+ else
+ throw new Error "This file can't be queued because it has already been processed or was rejected."
+
+
+ _thumbnailQueue: [ ]
+ _processingThumbnail: no
+ _enqueueThumbnail: (file) ->
+ if @options.createImageThumbnails and file.type.match(/image.*/) and file.size <= @options.maxThumbnailFilesize * 1024 * 1024
+ @_thumbnailQueue.push(file)
+ setTimeout (=> @_processThumbnailQueue()), 0 # Deferring the call
+
+ _processThumbnailQueue: ->
+ return if @_processingThumbnail or @_thumbnailQueue.length == 0
+
+ @_processingThumbnail = yes
+ @createThumbnail @_thumbnailQueue.shift(), =>
+ @_processingThumbnail = no
+ @_processThumbnailQueue()
+
+
+ # Can be called by the user to remove a file
+ removeFile: (file) ->
+ @cancelUpload file if file.status == Dropzone.UPLOADING
+ @files = without @files, file
+
+ @emit "removedfile", file
+ @emit "reset" if @files.length == 0
+
+ # Removes all files that aren't currently processed from the list
+ removeAllFiles: (cancelIfNecessary = off) ->
+ # Create a copy of files since removeFile() changes the @files array.
+ for file in @files.slice()
+ @removeFile file if file.status != Dropzone.UPLOADING || cancelIfNecessary
+ return null
+
+ createThumbnail: (file, callback) ->
+
+ fileReader = new FileReader
+
+ fileReader.onload = =>
+
+ # Don't bother creating a thumbnail for SVG images since they're vector
+ if file.type == "image/svg+xml"
+ @emit "thumbnail", file, fileReader.result
+ callback() if callback?
+ return
+
+ @createThumbnailFromUrl file, fileReader.result, callback
+
+ fileReader.readAsDataURL file
+
+ createThumbnailFromUrl: (file, imageUrl, callback, crossOrigin) ->
+ # Not using `new Image` here because of a bug in latest Chrome versions.
+ # See https://github.com/enyo/dropzone/pull/226
+ img = document.createElement "img"
+
+ img.crossOrigin = crossOrigin if crossOrigin
+
+ img.onload = =>
+ file.width = img.width
+ file.height = img.height
+
+ resizeInfo = @options.resize.call @, file
+
+ resizeInfo.trgWidth ?= resizeInfo.optWidth
+ resizeInfo.trgHeight ?= resizeInfo.optHeight
+
+ canvas = document.createElement "canvas"
+ ctx = canvas.getContext "2d"
+ canvas.width = resizeInfo.trgWidth
+ canvas.height = resizeInfo.trgHeight
+
+ # This is a bugfix for iOS' scaling bug.
+ drawImageIOSFix ctx, img, resizeInfo.srcX ? 0, resizeInfo.srcY ? 0, resizeInfo.srcWidth, resizeInfo.srcHeight, resizeInfo.trgX ? 0, resizeInfo.trgY ? 0, resizeInfo.trgWidth, resizeInfo.trgHeight
+
+ thumbnail = canvas.toDataURL "image/png"
+
+ @emit "thumbnail", file, thumbnail
+ callback() if callback?
+
+ img.onerror = callback if callback?
+
+ img.src = imageUrl
+
+
+ # Goes through the queue and processes files if there aren't too many already.
+ processQueue: ->
+ parallelUploads = @options.parallelUploads
+ processingLength = @getUploadingFiles().length
+ i = processingLength
+
+ # There are already at least as many files uploading than should be
+ return if processingLength >= parallelUploads
+
+ queuedFiles = @getQueuedFiles()
+
+ return unless queuedFiles.length > 0
+
+ if @options.uploadMultiple
+ # The files should be uploaded in one request
+ @processFiles queuedFiles.slice 0, (parallelUploads - processingLength)
+ else
+ while i < parallelUploads
+ return unless queuedFiles.length # Nothing left to process
+ @processFile queuedFiles.shift()
+ i++
+
+
+ # Wrapper for `processFiles`
+ processFile: (file) -> @processFiles [ file ]
+
+
+ # Loads the file, then calls finishedLoading()
+ processFiles: (files) ->
+ for file in files
+ file.processing = yes # Backwards compatibility
+ file.status = Dropzone.UPLOADING
+
+ @emit "processing", file
+
+ @emit "processingmultiple", files if @options.uploadMultiple
+
+ @uploadFiles files
+
+
+
+ _getFilesWithXhr: (xhr) -> files = (file for file in @files when file.xhr == xhr)
+
+
+ # 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.
+ cancelUpload: (file) ->
+ if file.status == Dropzone.UPLOADING
+ groupedFiles = @_getFilesWithXhr file.xhr
+ groupedFile.status = Dropzone.CANCELED for groupedFile in groupedFiles
+ file.xhr.abort()
+ @emit "canceled", groupedFile for groupedFile in groupedFiles
+ @emit "canceledmultiple", groupedFiles if @options.uploadMultiple
+
+ else if file.status in [ Dropzone.ADDED, Dropzone.QUEUED ]
+ file.status = Dropzone.CANCELED
+ @emit "canceled", file
+ @emit "canceledmultiple", [ file ] if @options.uploadMultiple
+
+ @processQueue() if @options.autoProcessQueue
+
+ resolveOption = (option, args...) ->
+ if typeof option == 'function'
+ return option.apply(@, args)
+ option
+
+ # Wrapper for uploadFiles()
+ uploadFile: (file) -> @uploadFiles [ file ]
+
+ uploadFiles: (files) ->
+ xhr = new XMLHttpRequest()
+
+ # Put the xhr object in the file objects to be able to reference it later.
+ file.xhr = xhr for file in files
+
+ method = resolveOption @options.method, files
+ url = resolveOption @options.url, files
+ xhr.open method, url, true
+
+ # Has to be after `.open()`. See https://github.com/enyo/dropzone/issues/179
+ xhr.withCredentials = !!@options.withCredentials
+
+
+ response = null
+
+ handleError = =>
+ for file in files
+ @_errorProcessing files, response || @options.dictResponseError.replace("{{statusCode}}", xhr.status), xhr
+
+
+ updateProgress = (e) =>
+ if e?
+ progress = 100 * e.loaded / e.total
+
+ for file in files
+ file.upload =
+ progress: progress
+ total: e.total
+ bytesSent: e.loaded
+ else
+ # Called when the file finished uploading
+
+ allFilesFinished = yes
+
+ progress = 100
+
+ for file in files
+ allFilesFinished = no unless file.upload.progress == 100 and file.upload.bytesSent == file.upload.total
+ file.upload.progress = progress
+ file.upload.bytesSent = file.upload.total
+
+ # Nothing to do, all files already at 100%
+ return if allFilesFinished
+
+ for file in files
+ @emit "uploadprogress", file, progress, file.upload.bytesSent
+
+ xhr.onload = (e) =>
+ return if files[0].status == Dropzone.CANCELED
+
+ return unless xhr.readyState is 4
+
+ response = xhr.responseText
+
+ if xhr.getResponseHeader("content-type") and ~xhr.getResponseHeader("content-type").indexOf "application/json"
+ try
+ response = JSON.parse response
+ catch e
+ response = "Invalid JSON response from server."
+
+ updateProgress()
+
+ unless 200 <= xhr.status < 300
+ handleError()
+ else
+ @_finished files, response, e
+
+ xhr.onerror = =>
+ return if files[0].status == Dropzone.CANCELED
+ handleError()
+
+ # Some browsers do not have the .upload property
+ progressObj = xhr.upload ? xhr
+ progressObj.onprogress = updateProgress
+
+ headers =
+ "Accept": "application/json",
+ "Cache-Control": "no-cache",
+ "X-Requested-With": "XMLHttpRequest",
+
+ extend headers, @options.headers if @options.headers
+
+ for headerName, headerValue of headers
+ xhr.setRequestHeader headerName, headerValue if headerValue
+
+ formData = new FormData()
+
+ # Adding all @options parameters
+ formData.append key, value for key, value of @options.params if @options.params
+
+ # Let the user add additional data if necessary
+ @emit "sending", file, xhr, formData for file in files
+ @emit "sendingmultiple", files, xhr, formData if @options.uploadMultiple
+
+
+ # Take care of other input elements
+ if @element.tagName == "FORM"
+ for input in @element.querySelectorAll "input, textarea, select, button"
+ inputName = input.getAttribute "name"
+ inputType = input.getAttribute "type"
+
+ if input.tagName == "SELECT" and input.hasAttribute "multiple"
+ # Possibly multiple values
+ formData.append inputName, option.value for option in input.options when option.selected
+ else if !inputType or (inputType.toLowerCase() not in [ "checkbox", "radio" ]) or input.checked
+ formData.append inputName, input.value
+
+
+ # Finally add the file
+ # Has to be last because some servers (eg: S3) expect the file to be the
+ # last parameter
+ formData.append @_getParamName(i), files[i], @_renameFilename(files[i].name) for i in [0..files.length-1]
+
+ @submitRequest xhr, formData, files
+
+ submitRequest: (xhr, formData, files) ->
+ xhr.send formData
+
+ # Called internally when processing is finished.
+ # Individual callbacks have to be called in the appropriate sections.
+ _finished: (files, responseText, e) ->
+ for file in files
+ file.status = Dropzone.SUCCESS
+ @emit "success", file, responseText, e
+ @emit "complete", file
+ if @options.uploadMultiple
+ @emit "successmultiple", files, responseText, e
+ @emit "completemultiple", files
+
+ @processQueue() if @options.autoProcessQueue
+
+ # Called internally when processing is finished.
+ # Individual callbacks have to be called in the appropriate sections.
+ _errorProcessing: (files, message, xhr) ->
+ for file in files
+ file.status = Dropzone.ERROR
+ @emit "error", file, message, xhr
+ @emit "complete", file
+ if @options.uploadMultiple
+ @emit "errormultiple", files, message, xhr
+ @emit "completemultiple", files
+
+ @processQueue() if @options.autoProcessQueue
+
+
+
+Dropzone.version = "4.3.0"
+
+
+# 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:
+#
+# <form action="/upload" id="my-dropzone-element-id" class="dropzone"></form>
+Dropzone.options = { }
+
+
+# Returns the options for an element or undefined if none available.
+Dropzone.optionsForElement = (element) ->
+ # Get the `Dropzone.options.elementId` for this element if it exists
+ if element.getAttribute("id") then Dropzone.options[camelize element.getAttribute "id"] else undefined
+
+
+# Holds a list of all dropzone instances
+Dropzone.instances = [ ]
+
+# Returns the dropzone for given element if any
+Dropzone.forElement = (element) ->
+ element = document.querySelector element if typeof element == "string"
+ 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." unless element?.dropzone?
+ return element.dropzone
+
+
+# Set to false if you don't want Dropzone to automatically find and attach to .dropzone elements.
+Dropzone.autoDiscover = on
+
+# Looks for all .dropzone elements and creates a dropzone for them
+Dropzone.discover = ->
+ if document.querySelectorAll
+ dropzones = document.querySelectorAll ".dropzone"
+ else
+ dropzones = [ ]
+ # IE :(
+ checkElements = (elements) ->
+ for el in elements
+ dropzones.push el if /(^| )dropzone($| )/.test el.className
+ checkElements document.getElementsByTagName "div"
+ checkElements document.getElementsByTagName "form"
+
+ for dropzone in dropzones
+ # Create a dropzone unless auto discover has been disabled for specific element
+ new Dropzone dropzone unless Dropzone.optionsForElement(dropzone) == false
+
+
+
+# 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 version of opera 12 seems to have a problem with the File drag'n'drop API.
+ /opera.*Macintosh.*version\/12/i
+ # /MSIE\ 10/i
+]
+
+
+# Checks if the browser is supported
+Dropzone.isBrowserSupported = ->
+ capableBrowser = yes
+
+ if window.File and window.FileReader and window.FileList and window.Blob and window.FormData and document.querySelector
+ unless "classList" of document.createElement "a"
+ capableBrowser = no
+ else
+ # The browser supports the API, but may be blacklisted.
+ for regex in Dropzone.blacklistedBrowsers
+ if regex.test navigator.userAgent
+ capableBrowser = no
+ continue
+ else
+ capableBrowser = no
+
+ capableBrowser
+
+
+
+
+# Returns an array without the rejected item
+without = (list, rejectedItem) -> item for item in list when item isnt rejectedItem
+
+# abc-def_ghi -> abcDefGhi
+camelize = (str) -> str.replace /[\-_](\w)/g, (match) -> match.charAt(1).toUpperCase()
+
+# Creates an element from string
+Dropzone.createElement = (string) ->
+ div = document.createElement "div"
+ div.innerHTML = string
+ div.childNodes[0]
+
+# Tests if given element is inside (or simply is) the container
+Dropzone.elementInside = (element, container) ->
+ return yes if element == container # Coffeescript doesn't support do/while loops
+ return yes while element = element.parentNode when element == container
+ return no
+
+
+
+Dropzone.getElement = (el, name) ->
+ if typeof el == "string"
+ element = document.querySelector el
+ else if el.nodeType?
+ element = el
+ throw new Error "Invalid `#{name}` option provided. Please provide a CSS selector or a plain HTML element." unless element?
+ return element
+
+
+Dropzone.getElements = (els, name) ->
+ if els instanceof Array
+ elements = [ ]
+ try
+ elements.push @getElement el, name for el in els
+ catch e
+ elements = null
+ else if typeof els == "string"
+ elements = [ ]
+ elements.push el for el in document.querySelectorAll els
+ else if els.nodeType?
+ elements = [ els ]
+
+ throw new Error "Invalid `#{name}` option provided. Please provide a CSS selector, a plain HTML element or a list of those." unless elements? and elements.length
+
+ 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 = (question, accepted, rejected) ->
+ if window.confirm question
+ accepted()
+ else if rejected?
+ rejected()
+
+# Validates the mime type like this:
+#
+# https://developer.mozilla.org/en-US/docs/HTML/Element/input#attr-accept
+Dropzone.isValidFile = (file, acceptedFiles) ->
+ return yes unless acceptedFiles # If there are no accepted mime types, it's OK
+ acceptedFiles = acceptedFiles.split ","
+
+ mimeType = file.type
+ baseMimeType = mimeType.replace /\/.*$/, ""
+
+ for validType in acceptedFiles
+ validType = validType.trim()
+ if validType.charAt(0) == "."
+ return yes if file.name.toLowerCase().indexOf(validType.toLowerCase(), file.name.length - validType.length) != -1
+ else if /\/\*$/.test validType
+ # This is something like a image/* mime type
+ return yes if baseMimeType == validType.replace /\/.*$/, ""
+ else
+ return yes if mimeType == validType
+
+ return no
+
+
+# Augment jQuery
+if jQuery?
+ jQuery.fn.dropzone = (options) ->
+ this.each -> new Dropzone this, options
+
+
+
+
+if module?
+ 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
+detectVerticalSquash = (img) ->
+ iw = img.naturalWidth
+ ih = img.naturalHeight
+ canvas = document.createElement("canvas")
+ canvas.width = 1
+ canvas.height = ih
+ ctx = canvas.getContext("2d")
+ ctx.drawImage img, 0, 0
+ data = ctx.getImageData(0, 0, 1, ih).data
+
+
+ # search image edge pixel position in case it is squashed vertically.
+ sy = 0
+ ey = ih
+ py = ih
+ while py > sy
+ alpha = data[(py - 1) * 4 + 3]
+
+ if alpha is 0 then ey = py else sy = py
+
+ py = (ey + sy) >> 1
+ ratio = (py / ih)
+
+ if (ratio is 0) then 1 else ratio
+
+# A replacement for context.drawImage
+# (args are for source and destination).
+drawImageIOSFix = (ctx, img, sx, sy, sw, sh, dx, dy, dw, dh) ->
+ vertSquashRatio = detectVerticalSquash img
+ ctx.drawImage img, sx, sy, sw, sh, dx, dy, dw, dh / vertSquashRatio
+
+
+
+
+
+
+
+
+###
+# 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
+contentLoaded = (win, fn) ->
+ done = false
+ top = true
+ doc = win.document
+ root = doc.documentElement
+ add = (if doc.addEventListener then "addEventListener" else "attachEvent")
+ rem = (if doc.addEventListener then "removeEventListener" else "detachEvent")
+ pre = (if doc.addEventListener then "" else "on")
+ init = (e) ->
+ return if e.type is "readystatechange" and doc.readyState isnt "complete"
+ ((if e.type is "load" then win else doc))[rem] pre + e.type, init, false
+ fn.call win, e.type or e if not done and (done = true)
+
+ poll = ->
+ try
+ root.doScroll "left"
+ catch e
+ setTimeout poll, 50
+ return
+ init "poll"
+
+ unless doc.readyState is "complete"
+ if doc.createEventObject and root.doScroll
+ try
+ top = not win.frameElement
+ poll() if top
+ doc[add] pre + "DOMContentLoaded", init, false
+ doc[add] pre + "readystatechange", init, false
+ win[add] pre + "load", init, false
+
+
+# As a single function to be able to write tests.
+Dropzone._autoDiscoverFunction = -> Dropzone.discover() if Dropzone.autoDiscover
+contentLoaded window, Dropzone._autoDiscoverFunction
projects / yaffs-website / blobdiff