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dropzone.js
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/*
*
* 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.
*
*/
(function() {
var Dropzone, Emitter, ExifRestore, camelize, contentLoaded, detectVerticalSquash, drawImageIOSFix, noop, without,
slice = [].slice,
extend1 = 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; },
hasProp = {}.hasOwnProperty;
noop = function() {};
Emitter = (function() {
function Emitter() {}
Emitter.prototype.addEventListener = Emitter.prototype.on;
Emitter.prototype.on = function(event, fn) {
this._callbacks = this._callbacks || {};
if (!this._callbacks[event]) {
this._callbacks[event] = [];
}
this._callbacks[event].push(fn);
return this;
};
Emitter.prototype.emit = function() {
var args, callback, callbacks, event, j, len;
event = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
this._callbacks = this._callbacks || {};
callbacks = this._callbacks[event];
if (callbacks) {
for (j = 0, len = callbacks.length; j < len; j++) {
callback = callbacks[j];
callback.apply(this, args);
}
}
return this;
};
Emitter.prototype.removeListener = Emitter.prototype.off;
Emitter.prototype.removeAllListeners = Emitter.prototype.off;
Emitter.prototype.removeEventListener = Emitter.prototype.off;
Emitter.prototype.off = function(event, fn) {
var callback, callbacks, i, j, len;
if (!this._callbacks || arguments.length === 0) {
this._callbacks = {};
return this;
}
callbacks = this._callbacks[event];
if (!callbacks) {
return this;
}
if (arguments.length === 1) {
delete this._callbacks[event];
return this;
}
for (i = j = 0, len = callbacks.length; j < len; i = ++j) {
callback = callbacks[i];
if (callback === fn) {
callbacks.splice(i, 1);
break;
}
}
return this;
};
return Emitter;
})();
Dropzone = (function(superClass) {
var extend, resolveOption;
extend1(Dropzone, superClass);
Dropzone.prototype.Emitter = Emitter;
/*
This is a list of all available events you can register on a dropzone object.
You can register an event handler like this:
dropzone.on("dragEnter", function() { });
*/
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"];
Dropzone.prototype.defaultOptions = {
url: null,
method: "post",
withCredentials: false,
timeout: 30000,
parallelUploads: 2,
uploadMultiple: false,
maxFilesize: 256,
paramName: "file",
createImageThumbnails: true,
maxThumbnailFilesize: 10,
thumbnailWidth: 120,
thumbnailHeight: 120,
thumbnailMethod: 'crop',
resizeWidth: null,
resizeHeight: null,
resizeMimeType: null,
resizeQuality: 0.8,
resizeMethod: 'contain',
filesizeBase: 1000,
maxFiles: null,
params: {},
headers: null,
clickable: true,
ignoreHiddenFiles: true,
acceptedFiles: null,
acceptedMimeTypes: null,
autoProcessQueue: true,
autoQueue: true,
addRemoveLinks: false,
previewsContainer: null,
hiddenInputContainer: "body",
capture: null,
renameFilename: null,
renameFile: null,
forceFallback: false,
dictDefaultMessage: "Drop files here to upload",
dictFallbackMessage: "Your browser does not support drag'n'drop file uploads.",
dictFallbackText: "Please use the fallback form below to upload your files like in the olden days.",
dictFileTooBig: "File is too big ({{filesize}}MiB). Max filesize: {{maxFilesize}}MiB.",
dictInvalidFileType: "You can't upload files of this type.",
dictResponseError: "Server responded with {{statusCode}} code.",
dictCancelUpload: "Cancel upload",
dictCancelUploadConfirmation: "Are you sure you want to cancel this upload?",
dictRemoveFile: "Remove file",
dictRemoveFileConfirmation: null,
dictMaxFilesExceeded: "You can not upload any more files.",
dictFileSizeUnits: {
tb: "TB",
gb: "GB",
mb: "MB",
kb: "KB",
b: "b"
},
init: function() {
return noop;
},
accept: function(file, done) {
return done();
},
fallback: function() {
var child, j, len, messageElement, ref, span;
this.element.className = this.element.className + " dz-browser-not-supported";
ref = this.element.getElementsByTagName("div");
for (j = 0, len = ref.length; j < len; j++) {
child = ref[j];
if (/(^| )dz-message($| )/.test(child.className)) {
messageElement = child;
child.className = "dz-message";
continue;
}
}
if (!messageElement) {
messageElement = Dropzone.createElement("<div class=\"dz-message\"><span></span></div>");
this.element.appendChild(messageElement);
}
span = messageElement.getElementsByTagName("span")[0];
if (span) {
if (span.textContent != null) {
span.textContent = this.options.dictFallbackMessage;
} else if (span.innerText != null) {
span.innerText = this.options.dictFallbackMessage;
}
}
return this.element.appendChild(this.getFallbackForm());
},
resize: function(file, width, height, resizeMethod) {
var info, srcRatio, trgRatio;
info = {
srcX: 0,
srcY: 0,
srcWidth: file.width,
srcHeight: file.height
};
srcRatio = file.width / file.height;
if ((width == null) && (height == null)) {
width = info.srcWidth;
height = info.srcHeight;
} else if (width == null) {
width = height * srcRatio;
} else if (height == null) {
height = width / srcRatio;
}
width = Math.min(width, info.srcWidth);
height = Math.min(height, info.srcHeight);
trgRatio = width / height;
if (info.srcWidth > width || info.srcHeight > height) {
if (resizeMethod === 'crop') {
if (srcRatio > trgRatio) {
info.srcHeight = file.height;
info.srcWidth = info.srcHeight * trgRatio;
} else {
info.srcWidth = file.width;
info.srcHeight = info.srcWidth / trgRatio;
}
} else if (resizeMethod === 'contain') {
if (srcRatio > trgRatio) {
height = width / srcRatio;
} else {
width = height * srcRatio;
}
} else {
throw new Error("Unknown resizeMethod '" + resizeMethod + "'");
}
}
info.srcX = (file.width - info.srcWidth) / 2;
info.srcY = (file.height - info.srcHeight) / 2;
info.trgWidth = width;
info.trgHeight = height;
return info;
},
transformFile: function(file, done) {
if ((this.options.resizeWidth || this.options.resizeHeight) && file.type.match(/image.*/)) {
return this.resizeImage(file, this.options.resizeWidth, this.options.resizeHeight, this.options.resizeMethod, done);
} else {
return done(file);
}
},
previewTemplate: "<div class=\"dz-preview dz-file-preview\">\n <div class=\"dz-image\"><img data-dz-thumbnail /></div>\n <div class=\"dz-details\">\n <div class=\"dz-size\"><span data-dz-size></span></div>\n <div class=\"dz-filename\"><span data-dz-name></span></div>\n </div>\n <div class=\"dz-progress\"><span class=\"dz-upload\" data-dz-uploadprogress></span></div>\n <div class=\"dz-error-message\"><span data-dz-errormessage></span></div>\n <div class=\"dz-success-mark\">\n <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\">\n <title>Check</title>\n <defs></defs>\n <g id=\"Page-1\" stroke=\"none\" stroke-width=\"1\" fill=\"none\" fill-rule=\"evenodd\" sketch:type=\"MSPage\">\n <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>\n </g>\n </svg>\n </div>\n <div class=\"dz-error-mark\">\n <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\">\n <title>Error</title>\n <defs></defs>\n <g id=\"Page-1\" stroke=\"none\" stroke-width=\"1\" fill=\"none\" fill-rule=\"evenodd\" sketch:type=\"MSPage\">\n <g id=\"Check-+-Oval-2\" sketch:type=\"MSLayerGroup\" stroke=\"#747474\" stroke-opacity=\"0.198794158\" fill=\"#FFFFFF\" fill-opacity=\"0.816519475\">\n <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>\n </g>\n </g>\n </svg>\n </div>\n</div>",
/*
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.
*/
drop: function(e) {
return this.element.classList.remove("dz-drag-hover");
},
dragstart: noop,
dragend: function(e) {
return this.element.classList.remove("dz-drag-hover");
},
dragenter: function(e) {
return this.element.classList.add("dz-drag-hover");
},
dragover: function(e) {
return this.element.classList.add("dz-drag-hover");
},
dragleave: function(e) {
return this.element.classList.remove("dz-drag-hover");
},
paste: noop,
reset: function() {
return this.element.classList.remove("dz-started");
},
addedfile: function(file) {
var j, k, l, len, len1, len2, node, ref, ref1, ref2, removeFileEvent, removeLink, results;
if (this.element === this.previewsContainer) {
this.element.classList.add("dz-started");
}
if (this.previewsContainer) {
file.previewElement = Dropzone.createElement(this.options.previewTemplate.trim());
file.previewTemplate = file.previewElement;
this.previewsContainer.appendChild(file.previewElement);
ref = file.previewElement.querySelectorAll("[data-dz-name]");
for (j = 0, len = ref.length; j < len; j++) {
node = ref[j];
node.textContent = file.name;
}
ref1 = file.previewElement.querySelectorAll("[data-dz-size]");
for (k = 0, len1 = ref1.length; k < len1; k++) {
node = ref1[k];
node.innerHTML = this.filesize(file.size);
}
if (this.options.addRemoveLinks) {
file._removeLink = Dropzone.createElement("<a class=\"dz-remove\" href=\"javascript:undefined;\" data-dz-remove>" + this.options.dictRemoveFile + "</a>");
file.previewElement.appendChild(file._removeLink);
}
removeFileEvent = (function(_this) {
return function(e) {
e.preventDefault();
e.stopPropagation();
if (file.status === Dropzone.UPLOADING) {
return Dropzone.confirm(_this.options.dictCancelUploadConfirmation, function() {
return _this.removeFile(file);
});
} else {
if (_this.options.dictRemoveFileConfirmation) {
return Dropzone.confirm(_this.options.dictRemoveFileConfirmation, function() {
return _this.removeFile(file);
});
} else {
return _this.removeFile(file);
}
}
};
})(this);
ref2 = file.previewElement.querySelectorAll("[data-dz-remove]");
results = [];
for (l = 0, len2 = ref2.length; l < len2; l++) {
removeLink = ref2[l];
results.push(removeLink.addEventListener("click", removeFileEvent));
}
return results;
}
},
removedfile: function(file) {
var ref;
if (file.previewElement) {
if ((ref = file.previewElement) != null) {
ref.parentNode.removeChild(file.previewElement);
}
}
return this._updateMaxFilesReachedClass();
},
thumbnail: function(file, dataUrl) {
var j, len, ref, thumbnailElement;
if (file.previewElement) {
file.previewElement.classList.remove("dz-file-preview");
ref = file.previewElement.querySelectorAll("[data-dz-thumbnail]");
for (j = 0, len = ref.length; j < len; j++) {
thumbnailElement = ref[j];
thumbnailElement.alt = file.name;
thumbnailElement.src = dataUrl;
}
return setTimeout(((function(_this) {
return function() {
return file.previewElement.classList.add("dz-image-preview");
};
})(this)), 1);
}
},
error: function(file, message) {
var j, len, node, ref, results;
if (file.previewElement) {
file.previewElement.classList.add("dz-error");
if (typeof message !== "String" && message.error) {
message = message.error;
}
ref = file.previewElement.querySelectorAll("[data-dz-errormessage]");
results = [];
for (j = 0, len = ref.length; j < len; j++) {
node = ref[j];
results.push(node.textContent = message);
}
return results;
}
},
errormultiple: noop,
processing: function(file) {
if (file.previewElement) {
file.previewElement.classList.add("dz-processing");
if (file._removeLink) {
return file._removeLink.textContent = this.options.dictCancelUpload;
}
}
},
processingmultiple: noop,
uploadprogress: function(file, progress, bytesSent) {
var j, len, node, ref, results;
if (file.previewElement) {
ref = file.previewElement.querySelectorAll("[data-dz-uploadprogress]");
results = [];
for (j = 0, len = ref.length; j < len; j++) {
node = ref[j];
if (node.nodeName === 'PROGRESS') {
results.push(node.value = progress);
} else {
results.push(node.style.width = progress + "%");
}
}
return results;
}
},
totaluploadprogress: noop,
sending: noop,
sendingmultiple: noop,
success: function(file) {
if (file.previewElement) {
return file.previewElement.classList.add("dz-success");
}
},
successmultiple: noop,
canceled: function(file) {
return this.emit("error", file, "Upload canceled.");
},
canceledmultiple: noop,
complete: function(file) {
if (file._removeLink) {
file._removeLink.textContent = this.options.dictRemoveFile;
}
if (file.previewElement) {
return file.previewElement.classList.add("dz-complete");
}
},
completemultiple: noop,
maxfilesexceeded: noop,
maxfilesreached: noop,
queuecomplete: noop,
addedfiles: noop
};
extend = function() {
var j, key, len, object, objects, target, val;
target = arguments[0], objects = 2 <= arguments.length ? slice.call(arguments, 1) : [];
for (j = 0, len = objects.length; j < len; j++) {
object = objects[j];
for (key in object) {
val = object[key];
target[key] = val;
}
}
return target;
};
function Dropzone(element1, options) {
var elementOptions, fallback, ref;
this.element = element1;
this.version = Dropzone.version;
this.defaultOptions.previewTemplate = this.defaultOptions.previewTemplate.replace(/\n*/g, "");
this.clickableElements = [];
this.listeners = [];
this.files = [];
if (typeof this.element === "string") {
this.element = document.querySelector(this.element);
}
if (!(this.element && (this.element.nodeType != null))) {
throw new Error("Invalid dropzone element.");
}
if (this.element.dropzone) {
throw new Error("Dropzone already attached.");
}
Dropzone.instances.push(this);
this.element.dropzone = this;
elementOptions = (ref = Dropzone.optionsForElement(this.element)) != null ? ref : {};
this.options = extend({}, this.defaultOptions, elementOptions, options != null ? options : {});
if (this.options.forceFallback || !Dropzone.isBrowserSupported()) {
return this.options.fallback.call(this);
}
if (this.options.url == null) {
this.options.url = this.element.getAttribute("action");
}
if (!this.options.url) {
throw new Error("No URL provided.");
}
if (this.options.acceptedFiles && this.options.acceptedMimeTypes) {
throw new Error("You can't provide both 'acceptedFiles' and 'acceptedMimeTypes'. 'acceptedMimeTypes' is deprecated.");
}
if (this.options.acceptedMimeTypes) {
this.options.acceptedFiles = this.options.acceptedMimeTypes;
delete this.options.acceptedMimeTypes;
}
if (this.options.renameFilename != null) {
this.options.renameFile = (function(_this) {
return function(file) {
return _this.options.renameFilename.call(_this, file.name, file);
};
})(this);
}
this.options.method = this.options.method.toUpperCase();
if ((fallback = this.getExistingFallback()) && fallback.parentNode) {
fallback.parentNode.removeChild(fallback);
}
if (this.options.previewsContainer !== false) {
if (this.options.previewsContainer) {
this.previewsContainer = Dropzone.getElement(this.options.previewsContainer, "previewsContainer");
} else {
this.previewsContainer = this.element;
}
}
if (this.options.clickable) {
if (this.options.clickable === true) {
this.clickableElements = [this.element];
} else {
this.clickableElements = Dropzone.getElements(this.options.clickable, "clickable");
}
}
this.init();
}
Dropzone.prototype.getAcceptedFiles = function() {
var file, j, len, ref, results;
ref = this.files;
results = [];
for (j = 0, len = ref.length; j < len; j++) {
file = ref[j];
if (file.accepted) {
results.push(file);
}
}
return results;
};
Dropzone.prototype.getRejectedFiles = function() {
var file, j, len, ref, results;
ref = this.files;
results = [];
for (j = 0, len = ref.length; j < len; j++) {
file = ref[j];
if (!file.accepted) {
results.push(file);
}
}
return results;
};
Dropzone.prototype.getFilesWithStatus = function(status) {
var file, j, len, ref, results;
ref = this.files;
results = [];
for (j = 0, len = ref.length; j < len; j++) {
file = ref[j];
if (file.status === status) {
results.push(file);
}
}
return results;
};
Dropzone.prototype.getQueuedFiles = function() {
return this.getFilesWithStatus(Dropzone.QUEUED);
};
Dropzone.prototype.getUploadingFiles = function() {
return this.getFilesWithStatus(Dropzone.UPLOADING);
};
Dropzone.prototype.getAddedFiles = function() {
return this.getFilesWithStatus(Dropzone.ADDED);
};
Dropzone.prototype.getActiveFiles = function() {
var file, j, len, ref, results;
ref = this.files;
results = [];
for (j = 0, len = ref.length; j < len; j++) {
file = ref[j];
if (file.status === Dropzone.UPLOADING || file.status === Dropzone.QUEUED) {
results.push(file);
}
}
return results;
};
Dropzone.prototype.init = function() {
var eventName, j, len, noPropagation, ref, ref1, setupHiddenFileInput;
if (this.element.tagName === "form") {
this.element.setAttribute("enctype", "multipart/form-data");
}
if (this.element.classList.contains("dropzone") && !this.element.querySelector(".dz-message")) {
this.element.appendChild(Dropzone.createElement("<div class=\"dz-default dz-message\"><span>" + this.options.dictDefaultMessage + "</span></div>"));
}
if (this.clickableElements.length) {
setupHiddenFileInput = (function(_this) {
return function() {
if (_this.hiddenFileInput) {
_this.hiddenFileInput.parentNode.removeChild(_this.hiddenFileInput);
}
_this.hiddenFileInput = document.createElement("input");
_this.hiddenFileInput.setAttribute("type", "file");
if ((_this.options.maxFiles == null) || _this.options.maxFiles > 1) {
_this.hiddenFileInput.setAttribute("multiple", "multiple");
}
_this.hiddenFileInput.className = "dz-hidden-input";
if (_this.options.acceptedFiles != null) {
_this.hiddenFileInput.setAttribute("accept", _this.options.acceptedFiles);
}
if (_this.options.capture != null) {
_this.hiddenFileInput.setAttribute("capture", _this.options.capture);
}
_this.hiddenFileInput.style.visibility = "hidden";
_this.hiddenFileInput.style.position = "absolute";
_this.hiddenFileInput.style.top = "0";
_this.hiddenFileInput.style.left = "0";
_this.hiddenFileInput.style.height = "0";
_this.hiddenFileInput.style.width = "0";
document.querySelector(_this.options.hiddenInputContainer).appendChild(_this.hiddenFileInput);
return _this.hiddenFileInput.addEventListener("change", function() {
var file, files, j, len;
files = _this.hiddenFileInput.files;
if (files.length) {
for (j = 0, len = files.length; j < len; j++) {
file = files[j];
_this.addFile(file);
}
}
_this.emit("addedfiles", files);
return setupHiddenFileInput();
});
};
})(this);
setupHiddenFileInput();
}
this.URL = (ref = window.URL) != null ? ref : window.webkitURL;
ref1 = this.events;
for (j = 0, len = ref1.length; j < len; j++) {
eventName = ref1[j];
this.on(eventName, this.options[eventName]);
}
this.on("uploadprogress", (function(_this) {
return function() {
return _this.updateTotalUploadProgress();
};
})(this));
this.on("removedfile", (function(_this) {
return function() {
return _this.updateTotalUploadProgress();
};
})(this));
this.on("canceled", (function(_this) {
return function(file) {
return _this.emit("complete", file);
};
})(this));
this.on("complete", (function(_this) {
return function(file) {
if (_this.getAddedFiles().length === 0 && _this.getUploadingFiles().length === 0 && _this.getQueuedFiles().length === 0) {
return setTimeout((function() {
return _this.emit("queuecomplete");
}), 0);
}
};
})(this));
noPropagation = function(e) {
e.stopPropagation();
if (e.preventDefault) {
return e.preventDefault();
} else {
return e.returnValue = false;
}
};
this.listeners = [
{
element: this.element,
events: {
"dragstart": (function(_this) {
return function(e) {
return _this.emit("dragstart", e);
};
})(this),
"dragenter": (function(_this) {
return function(e) {
noPropagation(e);
return _this.emit("dragenter", e);
};
})(this),
"dragover": (function(_this) {
return function(e) {
var efct;
try {
efct = e.dataTransfer.effectAllowed;
} catch (undefined) {}
e.dataTransfer.dropEffect = 'move' === efct || 'linkMove' === efct ? 'move' : 'copy';
noPropagation(e);
return _this.emit("dragover", e);
};
})(this),
"dragleave": (function(_this) {
return function(e) {
return _this.emit("dragleave", e);
};
})(this),
"drop": (function(_this) {
return function(e) {
noPropagation(e);
return _this.drop(e);
};
})(this),
"dragend": (function(_this) {
return function(e) {
return _this.emit("dragend", e);
};
})(this)
}
}
];
this.clickableElements.forEach((function(_this) {
return function(clickableElement) {
return _this.listeners.push({
element: clickableElement,
events: {
"click": function(evt) {
if ((clickableElement !== _this.element) || (evt.target === _this.element || Dropzone.elementInside(evt.target, _this.element.querySelector(".dz-message")))) {
_this.hiddenFileInput.click();
}
return true;
}
}
});
};
})(this));
this.enable();
return this.options.init.call(this);
};
Dropzone.prototype.destroy = function() {
var ref;
this.disable();
this.removeAllFiles(true);
if ((ref = this.hiddenFileInput) != null ? ref.parentNode : void 0) {
this.hiddenFileInput.parentNode.removeChild(this.hiddenFileInput);
this.hiddenFileInput = null;
}
delete this.element.dropzone;
return Dropzone.instances.splice(Dropzone.instances.indexOf(this), 1);
};
Dropzone.prototype.updateTotalUploadProgress = function() {
var activeFiles, file, j, len, ref, totalBytes, totalBytesSent, totalUploadProgress;
totalBytesSent = 0;
totalBytes = 0;
activeFiles = this.getActiveFiles();
if (activeFiles.length) {
ref = this.getActiveFiles();
for (j = 0, len = ref.length; j < len; j++) {
file = ref[j];
totalBytesSent += file.upload.bytesSent;
totalBytes += file.upload.total;
}
totalUploadProgress = 100 * totalBytesSent / totalBytes;
} else {
totalUploadProgress = 100;
}
return this.emit("totaluploadprogress", totalUploadProgress, totalBytes, totalBytesSent);
};
Dropzone.prototype._getParamName = function(n) {
if (typeof this.options.paramName === "function") {
return this.options.paramName(n);
} else {
return "" + this.options.paramName + (this.options.uploadMultiple ? "[" + n + "]" : "");
}
};
Dropzone.prototype._renameFile = function(file) {
if (typeof this.options.renameFile !== "function") {
return file.name;
}
return this.options.renameFile(file);
};
Dropzone.prototype.getFallbackForm = function() {
var existingFallback, fields, fieldsString, form;
if (existingFallback = this.getExistingFallback()) {
return existingFallback;
}
fieldsString = "<div class=\"dz-fallback\">";
if (this.options.dictFallbackText) {
fieldsString += "<p>" + this.options.dictFallbackText + "</p>";
}
fieldsString += "<input type=\"file\" name=\"" + (this._getParamName(0)) + "\" " + (this.options.uploadMultiple ? 'multiple="multiple"' : void 0) + " /><input type=\"submit\" value=\"Upload!\"></div>";
fields = Dropzone.createElement(fieldsString);
if (this.element.tagName !== "FORM") {
form = Dropzone.createElement("<form action=\"" + this.options.url + "\" enctype=\"multipart/form-data\" method=\"" + this.options.method + "\"></form>");
form.appendChild(fields);
} else {
this.element.setAttribute("enctype", "multipart/form-data");
this.element.setAttribute("method", this.options.method);
}
return form != null ? form : fields;
};
Dropzone.prototype.getExistingFallback = function() {
var fallback, getFallback, j, len, ref, tagName;
getFallback = function(elements) {
var el, j, len;
for (j = 0, len = elements.length; j < len; j++) {
el = elements[j];
if (/(^| )fallback($| )/.test(el.className)) {
return el;
}
}
};
ref = ["div", "form"];
for (j = 0, len = ref.length; j < len; j++) {
tagName = ref[j];
if (fallback = getFallback(this.element.getElementsByTagName(tagName))) {
return fallback;
}
}
};
Dropzone.prototype.setupEventListeners = function() {
var elementListeners, event, j, len, listener, ref, results;
ref = this.listeners;
results = [];
for (j = 0, len = ref.length; j < len; j++) {
elementListeners = ref[j];
results.push((function() {
var ref1, results1;
ref1 = elementListeners.events;
results1 = [];
for (event in ref1) {
listener = ref1[event];
results1.push(elementListeners.element.addEventListener(event, listener, false));
}
return results1;
})());
}
return results;
};
Dropzone.prototype.removeEventListeners = function() {
var elementListeners, event, j, len, listener, ref, results;
ref = this.listeners;
results = [];
for (j = 0, len = ref.length; j < len; j++) {
elementListeners = ref[j];
results.push((function() {
var ref1, results1;
ref1 = elementListeners.events;
results1 = [];
for (event in ref1) {
listener = ref1[event];
results1.push(elementListeners.element.removeEventListener(event, listener, false));
}
return results1;
})());
}
return results;
};
Dropzone.prototype.disable = function() {
var file, j, len, ref, results;
this.clickableElements.forEach(function(element) {
return element.classList.remove("dz-clickable");
});
this.removeEventListeners();
ref = this.files;
results = [];
for (j = 0, len = ref.length; j < len; j++) {
file = ref[j];
results.push(this.cancelUpload(file));
}
return results;
};
Dropzone.prototype.enable = function() {
this.clickableElements.forEach(function(element) {
return element.classList.add("dz-clickable");
});
return this.setupEventListeners();
};
Dropzone.prototype.filesize = function(size) {
var cutoff, i, j, len, selectedSize, selectedUnit, unit, units;
selectedSize = 0;
selectedUnit = "b";
if (size > 0) {
units = ['tb', 'gb', 'mb', 'kb', 'b'];
for (i = j = 0, len = units.length; j < len; i = ++j) {
unit = units[i];
cutoff = Math.pow(this.options.filesizeBase, 4 - i) / 10;
if (size >= cutoff) {
selectedSize = size / Math.pow(this.options.filesizeBase, 4 - i);
selectedUnit = unit;
break;
}
}
selectedSize = Math.round(10 * selectedSize) / 10;
}
return "<strong>" + selectedSize + "</strong> " + this.options.dictFileSizeUnits[selectedUnit];
};
Dropzone.prototype._updateMaxFilesReachedClass = function() {
if ((this.options.maxFiles != null) && this.getAcceptedFiles().length >= this.options.maxFiles) {
if (this.getAcceptedFiles().length === this.options.maxFiles) {
this.emit('maxfilesreached', this.files);
}
return this.element.classList.add("dz-max-files-reached");
} else {
return this.element.classList.remove("dz-max-files-reached");
}
};
Dropzone.prototype.drop = function(e) {
var files, items;
if (!e.dataTransfer) {
return;
}
this.emit("drop", e);
files = e.dataTransfer.files;
this.emit("addedfiles", files);
if (files.length) {
items = e.dataTransfer.items;
if (items && items.length && (items[0].webkitGetAsEntry != null)) {
this._addFilesFromItems(items);
} else {
this.handleFiles(files);
}
}
};
Dropzone.prototype.paste = function(e) {
var items, ref;
if ((e != null ? (ref = e.clipboardData) != null ? ref.items : void 0 : void 0) == null) {
return;
}
this.emit("paste", e);
items = e.clipboardData.items;
if (items.length) {
return this._addFilesFromItems(items);
}
};
Dropzone.prototype.handleFiles = function(files) {
var file, j, len, results;
results = [];
for (j = 0, len = files.length; j < len; j++) {
file = files[j];
results.push(this.addFile(file));
}
return results;
};
Dropzone.prototype._addFilesFromItems = function(items) {
var entry, item, j, len, results;
results = [];
for (j = 0, len = items.length; j < len; j++) {
item = items[j];
if ((item.webkitGetAsEntry != null) && (entry = item.webkitGetAsEntry())) {
if (entry.isFile) {
results.push(this.addFile(item.getAsFile()));
} else if (entry.isDirectory) {
results.push(this._addFilesFromDirectory(entry, entry.name));
} else {
results.push(void 0);
}
} else if (item.getAsFile != null) {
if ((item.kind == null) || item.kind === "file") {
results.push(this.addFile(item.getAsFile()));
} else {
results.push(void 0);
}
} else {
results.push(void 0);
}
}
return results;
};
Dropzone.prototype._addFilesFromDirectory = function(directory, path) {
var dirReader, errorHandler, readEntries;
dirReader = directory.createReader();
errorHandler = function(error) {
return typeof console !== "undefined" && console !== null ? typeof console.log === "function" ? console.log(error) : void 0 : void 0;
};
readEntries = (function(_this) {
return function() {
return dirReader.readEntries(function(entries) {
var entry, j, len;
if (entries.length > 0) {
for (j = 0, len = entries.length; j < len; j++) {
entry = entries[j];
if (entry.isFile) {
entry.file(function(file) {
if (_this.options.ignoreHiddenFiles && file.name.substring(0, 1) === '.') {
return;
}
file.fullPath = path + "/" + file.name;
return _this.addFile(file);
});
} else if (entry.isDirectory) {
_this._addFilesFromDirectory(entry, path + "/" + entry.name);
}
}
readEntries();
}
return null;
}, errorHandler);
};
})(this);