/*
*
* 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, camelize, contentLoaded, detectVerticalSquash, drawImageIOSFix, noop, without,
__slice = [].slice,
__hasProp = {}.hasOwnProperty,
__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; };
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, _i, _len;
event = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];
this._callbacks = this._callbacks || {};
callbacks = this._callbacks[event];
if (callbacks) {
for (_i = 0, _len = callbacks.length; _i < _len; _i++) {
callback = callbacks[_i];
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, _i, _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 = _i = 0, _len = callbacks.length; _i < _len; i = ++_i) {
callback = callbacks[i];
if (callback === fn) {
callbacks.splice(i, 1);
break;
}
}
return this;
};
return Emitter;
})();
Dropzone = (function(_super) {
var extend, resolveOption;
__extends(Dropzone, _super);
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,
parallelUploads: 2,
uploadMultiple: false,
maxFilesize: 256,
paramName: "file",
createImageThumbnails: true,
maxThumbnailFilesize: 10,
thumbnailWidth: 120,
thumbnailHeight: 120,
filesizeBase: 1000,
maxFiles: null,
params: {},
clickable: true,
ignoreHiddenFiles: true,
acceptedFiles: null,
acceptedMimeTypes: null,
autoProcessQueue: true,
autoQueue: true,
addRemoveLinks: false,
previewsContainer: null,
hiddenInputContainer: "body",
capture: null,
renameFilename: null,
dictDefaultMessage: "下拉文件上传",
dictFallbackMessage: "您的浏览器不支持拖放文件上传.",
dictFallbackText: "Please use the fallback form below to upload your files like in the olden days.",
dictFileTooBig: "文件太大 ({{filesize}}MiB). 最大文件大小: {{maxFilesize}}MiB.",
dictInvalidFileType: "你不能上传这种类型的文件.",
dictResponseError: "服务器响应状态码{{statusCode}}.",
dictCancelUpload: "取消上传",
dictCancelUploadConfirmation: "您确定要取消此上传吗?",
dictRemoveFile: "删除文件",
dictRemoveFileConfirmation: null,
dictMaxFilesExceeded: "你不能上传任何更多的文件.",
accept: function(file, done) {
return done();
},
init: function() {
return noop;
},
forceFallback: false,
fallback: function() {
var child, messageElement, span, _i, _len, _ref;
this.element.className = "" + this.element.className + " dz-browser-not-supported";
_ref = this.element.getElementsByTagName("div");
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
child = _ref[_i];
if (/(^| )dz-message($| )/.test(child.className)) {
messageElement = child;
child.className = "dz-message";
continue;
}
}
if (!messageElement) {
messageElement = Dropzone.createElement("
");
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) {
var info, srcRatio, trgRatio;
info = {
srcX: 0,
srcY: 0,
srcWidth: file.width,
srcHeight: file.height
};
srcRatio = file.width / file.height;
info.optWidth = this.options.thumbnailWidth;
info.optHeight = this.options.thumbnailHeight;
if ((info.optWidth == null) && (info.optHeight == null)) {
info.optWidth = info.srcWidth;
info.optHeight = info.srcHeight;
} else if (info.optWidth == null) {
info.optWidth = srcRatio * info.optHeight;
} else if (info.optHeight == null) {
info.optHeight = (1 / srcRatio) * info.optWidth;
}
trgRatio = info.optWidth / info.optHeight;
if (file.height < info.optHeight || file.width < info.optWidth) {
info.trgHeight = info.srcHeight;
info.trgWidth = info.srcWidth;
} else {
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.
*/
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 node, removeFileEvent, removeLink, _i, _j, _k, _len, _len1, _len2, _ref, _ref1, _ref2, _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 (_i = 0, _len = _ref.length; _i < _len; _i++) {
node = _ref[_i];
node.textContent = this._renameFilename(file.name);
}
_ref1 = file.previewElement.querySelectorAll("[data-dz-size]");
for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
node = _ref1[_j];
node.innerHTML = this.filesize(file.size);
}
if (this.options.addRemoveLinks) {
file._removeLink = Dropzone.createElement("" + this.options.dictRemoveFile + "");
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 (_k = 0, _len2 = _ref2.length; _k < _len2; _k++) {
removeLink = _ref2[_k];
_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 thumbnailElement, _i, _len, _ref;
if (file.previewElement) {
file.previewElement.classList.remove("dz-file-preview");
_ref = file.previewElement.querySelectorAll("[data-dz-thumbnail]");
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
thumbnailElement = _ref[_i];
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 node, _i, _len, _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 (_i = 0, _len = _ref.length; _i < _len; _i++) {
node = _ref[_i];
_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 node, _i, _len, _ref, _results;
if (file.previewElement) {
_ref = file.previewElement.querySelectorAll("[data-dz-uploadprogress]");
_results = [];
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
node = _ref[_i];
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,
previewTemplate: "