/*
* jQuery File Upload User Interface Plugin
* https://github.com/blueimp/jQuery-File-Upload
*
* Copyright 2010, Sebastian Tschan
* https://blueimp.net
*
* Licensed under the MIT license:
* http://www.opensource.org/licenses/MIT
*/
/* jshint nomen:false */
/* global define, require, window */
(function (factory) {
'use strict';
if (typeof define === 'function' && define.amd) {
// Register as an anonymous AMD module:
define([
'jquery',
'tmpl',
'./jquery.fileupload-image',
'./jquery.fileupload-audio',
'./jquery.fileupload-video',
'./jquery.fileupload-validate'
], factory);
} else if (typeof exports === 'object') {
// Node/CommonJS:
factory(
require('jquery'),
require('tmpl')
);
} else {
// Browser globals:
factory(
window.jQuery,
window.tmpl
);
}
}(function ($, tmpl) {
'use strict';
$.blueimp.fileupload.prototype._specialOptions.push(
'filesContainer',
'uploadTemplateId',
'downloadTemplateId'
);
// The UI version extends the file upload widget
// and adds complete user interface interaction:
$.widget('blueimp.fileupload', $.blueimp.fileupload, {
options: {
// By default, files added to the widget are uploaded as soon
// as the user clicks on the start buttons. To enable automatic
// uploads, set the following option to true:
autoUpload: false,
// The ID of the upload template:
uploadTemplateId: 'template-upload',
// The ID of the download template:
downloadTemplateId: 'template-download',
// The container for the list of files. If undefined, it is set to
// an element with class "files" inside of the widget element:
filesContainer: undefined,
// By default, files are appended to the files container.
// Set the following option to true, to prepend files instead:
prependFiles: false,
// The expected data type of the upload response, sets the dataType
// option of the $.ajax upload requests:
dataType: 'json',
// Error and info messages:
messages: {
unknownError: 'Unknown error'
},
// Function returning the current number of files,
// used by the maxNumberOfFiles validation:
getNumberOfFiles: function () {
return this.filesContainer.children()
.not('.processing').length;
},
// Callback to retrieve the list of files from the server response:
getFilesFromResponse: function (data) {
if (data.result && $.isArray(data.result.files)) {
return data.result.files;
}
return [];
},
// The add callback is invoked as soon as files are added to the fileupload
// widget (via file input selection, drag & drop or add API call).
// See the basic file upload widget for more information:
add: function (e, data) {
if (e.isDefaultPrevented()) {
return false;
}
var $this = $(this),
that = $this.data('blueimp-fileupload') ||
$this.data('fileupload'),
options = that.options;
data.context = that._renderUpload(data.files)
.data('data', data)
.addClass('processing');
options.filesContainer[
options.prependFiles ? 'prepend' : 'append'
](data.context);
that._forceReflow(data.context);
that._transition(data.context);
data.process(function () {
return $this.fileupload('process', data);
}).always(function () {
data.context.each(function (index) {
$(this).find('.size').text(
that._formatFileSize(data.files[index].size)
);
}).removeClass('processing');
that._renderPreviews(data);
}).done(function () {
data.context.find('.start').prop('disabled', false);
if ((that._trigger('added', e, data) !== false) &&
(options.autoUpload || data.autoUpload) &&
data.autoUpload !== false) {
data.submit();
}
}).fail(function () {
if (data.files.error) {
data.context.each(function (index) {
var error = data.files[index].error;
if (error) {
$(this).find('.error').text(error);
}
});
}
});
},
// Callback for the start of each file upload request:
send: function (e, data) {
if (e.isDefaultPrevented()) {
return false;
}
var that = $(this).data('blueimp-fileupload') ||
$(this).data('fileupload');
if (data.context && data.dataType &&
data.dataType.substr(0, 6) === 'iframe') {
// Iframe Transport does not support progress events.
// In lack of an indeterminate progress bar, we set
// the progress to 100%, showing the full animated bar:
data.context
.find('.progress').addClass(
!$.support.transition && 'progress-animated'
)
.attr('aria-valuenow', 100)
.children().first().css(
'width',
'100%'
);
}
return that._trigger('sent', e, data);
},
// Callback for successful uploads:
done: function (e, data) {
console.log(data);
if (e.isDefaultPrevented()) {
return false;
}
var that = $(this).data('blueimp-fileupload') ||
$(this).data('fileupload'),
getFilesFromResponse = data.getFilesFromResponse ||
that.options.getFilesFromResponse,
files = getFilesFromResponse(data),
template,
deferred;
if (data.context) {
data.context.each(function (index) {
var file = files[index] ||
{error: 'Empty file upload result'};
deferred = that._addFinishedDeferreds();
that._transition($(this)).done(
function () {
var node = $(this);
template = that._renderDownload([file])
.replaceAll(node);
that._forceReflow(template);
that._transition(template).done(
function () {
data.context = $(this);
that._trigger('completed', e, data);
that._trigger('finished', e, data);
deferred.resolve();
}
);
}
);
});
} else {
template = that._renderDownload(files)[
that.options.prependFiles ? 'prependTo' : 'appendTo'
](that.options.filesContainer);
that._forceReflow(template);
deferred = that._addFinishedDeferreds();
that._transition(template).done(
function () {
data.context = $(this);
that._trigger('completed', e, data);
that._trigger('finished', e, data);
deferred.resolve();
}
);
}
},
// Callback for failed (abort or error) uploads:
fail: function (e, data) {
if (e.isDefaultPrevented()) {
return false;
}
var that = $(this).data('blueimp-fileupload') ||
$(this).data('fileupload'),
template,
deferred;
if (data.context) {
data.context.each(function (index) {
if (data.errorThrown !== 'abort') {
var file = data.files[index];
file.error = file.error || data.errorThrown ||
data.i18n('unknownError');
deferred = that._addFinishedDeferreds();
that._transition($(this)).done(
function () {
var node = $(this);
template = that._renderDownload([file])
.replaceAll(node);
that._forceReflow(template);
that._transition(template).done(
function () {
data.context = $(this);
that._trigger('failed', e, data);
that._trigger('finished', e, data);
deferred.resolve();
}
);
}
);
} else {
deferred = that._addFinishedDeferreds();
that._transition($(this)).done(
function () {
$(this).remove();
that._trigger('failed', e, data);
that._trigger('finished', e, data);
deferred.resolve();
}
);
}
});
} else if (data.errorThrown !== 'abort') {
data.context = that._renderUpload(data.files)[
that.options.prependFiles ? 'prependTo' : 'appendTo'
](that.options.filesContainer)
.data('data', data);
that._forceReflow(data.context);
deferred = that._addFinishedDeferreds();
that._transition(data.context).done(
function () {
data.context = $(this);
that._trigger('failed', e, data);
that._trigger('finished', e, data);
deferred.resolve();
}
);
} else {
that._trigger('failed', e, data);
that._trigger('finished', e, data);
that._addFinishedDeferreds().resolve();
}
},
// Callback for upload progress events:
progress: function (e, data) {
if (e.isDefaultPrevented()) {
return false;
}
var progress = Math.floor(data.loaded / data.total * 100);
if (data.context) {
data.context.each(function () {
$(this).find('.progress')
.attr('aria-valuenow', progress)
.children().first().css(
'width',
progress + '%'
);
});
}
},
// Callback for global upload progress events:
progressall: function (e, data) {
if (e.isDefaultPrevented()) {
return false;
}
var $this = $(this),
progress = Math.floor(data.loaded / data.total * 100),
globalProgressNode = $this.find('.fileupload-progress'),
extendedProgressNode = globalProgressNode
.find('.progress-extended');
if (extendedProgressNode.length) {
extendedProgressNode.html(
($this.data('blueimp-fileupload') || $this.data('fileupload'))
._renderExtendedProgress(data)
);
}
globalProgressNode
.find('.progress')
.attr('aria-valuenow', progress)
.children().first().css(
'width',
progress + '%'
);
},
// Callback for uploads start, equivalent to the global ajaxStart event:
start: function (e) {
if (e.isDefaultPrevented()) {
return false;
}
var that = $(this).data('blueimp-fileupload') ||
$(this).data('fileupload');
that._resetFinishedDeferreds();
that._transition($(this).find('.fileupload-progress')).done(
function () {
that._trigger('started', e);
}
);
},
// Callback for uploads stop, equivalent to the global ajaxStop event:
stop: function (e) {
if (e.isDefaultPrevented()) {
return false;
}
var that = $(this).data('blueimp-fileupload') ||
$(this).data('fileupload'),
deferred = that._addFinishedDeferreds();
$.when.apply($, that._getFinishedDeferreds())
.done(function () {
that._trigger('stopped', e);
});
that._transition($(this).find('.fileupload-progress')).done(
function () {
$(this).find('.progress')
.attr('aria-valuenow', '0')
.children().first().css('width', '0%');
$(this).find('.progress-extended').html(' ');
deferred.resolve();
}
);
},
processstart: function (e) {
if (e.isDefaultPrevented()) {
return false;
}
$(this).addClass('fileupload-processing');
},
processstop: function (e) {
if (e.isDefaultPrevented()) {
return false;
}
$(this).removeClass('fileupload-processing');
},
// Callback for file deletion:
destroy: function (e, data) {
if (e.isDefaultPrevented()) {
return false;
}
var that = $(this).data('blueimp-fileupload') ||
$(this).data('fileupload'),
removeNode = function () {
that._transition(data.context).done(
function () {
$(this).remove();
that._trigger('destroyed', e, data);
}
);
};
if (data.url) {
data.dataType = data.dataType || that.options.dataType;
$.ajax(data).done(removeNode).fail(function () {
that._trigger('destroyfailed', e, data);
});
} else {
removeNode();
}
}
},
_resetFinishedDeferreds: function () {
this._finishedUploads = [];
},
_addFinishedDeferreds: function (deferred) {
if (!deferred) {
deferred = $.Deferred();
}
this._finishedUploads.push(deferred);
return deferred;
},
_getFinishedDeferreds: function () {
return this._finishedUploads;
},
// Link handler, that allows to download files
// by drag & drop of the links to the desktop:
_enableDragToDesktop: function () {
var link = $(this),
url = link.prop('href'),
name = link.prop('download'),
type = 'application/octet-stream';
link.bind('dragstart', function (e) {
try {
e.originalEvent.dataTransfer.setData(
'DownloadURL',
[type, name, url].join(':')
);
} catch (ignore) {}
});
},
_formatFileSize: function (bytes) {
if (typeof bytes !== 'number') {
return '';
}
if (bytes >= 1000000000) {
return (bytes / 1000000000).toFixed(2) + ' GB';
}
if (bytes >= 1000000) {
return (bytes / 1000000).toFixed(2) + ' MB';
}
return (bytes / 1000).toFixed(2) + ' KB';
},
_formatBitrate: function (bits) {
if (typeof bits !== 'number') {
return '';
}
if (bits >= 1000000000) {
return (bits / 1000000000).toFixed(2) + ' Gbit/s';
}
if (bits >= 1000000) {
return (bits / 1000000).toFixed(2) + ' Mbit/s';
}
if (bits >= 1000) {
return (bits / 1000).toFixed(2) + ' kbit/s';
}
return bits.toFixed(2) + ' bit/s';
},
_formatTime: function (seconds) {
var date = new Date(seconds * 1000),
days = Math.floor(seconds / 86400);
days = days ? days + 'd ' : '';
return days +
('0' + date.getUTCHours()).slice(-2) + ':' +
('0' + date.getUTCMinutes()).slice(-2) + ':' +
('0' + date.getUTCSeconds()).slice(-2);
},
_formatPercentage: function (floatValue) {
return (floatValue * 100).toFixed(2) + ' %';
},
_renderExtendedProgress: function (data) {
return this._formatBitrate(data.bitrate) + ' | ' +
this._formatTime(
(data.total - data.loaded) * 8 / data.bitrate
) + ' | ' +
this._formatPercentage(
data.loaded / data.total
) + ' | ' +
this._formatFileSize(data.loaded) + ' / ' +
this._formatFileSize(data.total);
},
_renderTemplate: function (func, files) {
if (!func) {
return $();
}
var result = func({
files: files,
formatFileSize: this._formatFileSize,
options: this.options
});
if (result instanceof $) {
return result;
}
return $(this.options.templatesContainer).html(result).children();
},
_renderPreviews: function (data) {
data.context.find('.preview').each(function (index, elm) {
$(elm).append(data.files[index].preview);
});
},
_renderUpload: function (files) {
return this._renderTemplate(
this.options.uploadTemplate,
files
);
},
_renderDownload: function (files) {
return this._renderTemplate(
this.options.downloadTemplate,
files
).find('a[download]').each(this._enableDragToDesktop).end();
},
_startHandler: function (e) {
e.preventDefault();
var button = $(e.currentTarget),
template = button.closest('.template-upload'),
data = template.data('data');
button.prop('disabled', true);
if (data && data.submit) {
data.submit();
}
},
_cancelHandler: function (e) {
e.preventDefault();
var template = $(e.currentTarget)
.closest('.template-upload,.template-download'),
data = template.data('data') || {};
data.context = data.context || template;
if (data.abort) {
data.abort();
} else {
data.errorThrown = 'abort';
this._trigger('fail', e, data);
}
},
_deleteHandler: function (e) {
e.preventDefault();
var button = $(e.currentTarget);
this._trigger('destroy', e, $.extend({
context: button.closest('.template-download'),
type: 'DELETE'
}, button.data()));
},
_forceReflow: function (node) {
return $.support.transition && node.length &&
node[0].offsetWidth;
},
_transition: function (node) {
var dfd = $.Deferred();
if ($.support.transition && node.hasClass('fade') && node.is(':visible')) {
node.bind(
$.support.transition.end,
function (e) {
// Make sure we don't respond to other transitions events
// in the container element, e.g. from button elements:
if (e.target === node[0]) {
node.unbind($.support.transition.end);
dfd.resolveWith(node);
}
}
).toggleClass('in');
} else {
node.toggleClass('in');
dfd.resolveWith(node);
}
return dfd;
},
_initButtonBarEventHandlers: function () {
var fileUploadButtonBar = this.element.find('.fileupload-buttonbar'),
filesList = this.options.filesContainer;
this._on(fileUploadButtonBar.find('.start'), {
click: function (e) {
e.preventDefault();
filesList.find('.start').click();
}
});
this._on(fileUploadButtonBar.find('.cancel'), {
click: function (e) {
e.preventDefault();
filesList.find('.cancel').click();
}
});
this._on(fileUploadButtonBar.find('.delete'), {
click: function (e) {
e.preventDefault();
filesList.find('.toggle:checked')
.closest('.template-download')
.find('.delete').click();
fileUploadButtonBar.find('.toggle')
.prop('checked', false);
}
});
this._on(fileUploadButtonBar.find('.toggle'), {
change: function (e) {
filesList.find('.toggle').prop(
'checked',
$(e.currentTarget).is(':checked')
);
}
});
},
_destroyButtonBarEventHandlers: function () {
this._off(
this.element.find('.fileupload-buttonbar')
.find('.start, .cancel, .delete'),
'click'
);
this._off(
this.element.find('.fileupload-buttonbar .toggle'),
'change.'
);
},
_initEventHandlers: function () {
this._super();
this._on(this.options.filesContainer, {
'click .start': this._startHandler,
'click .cancel': this._cancelHandler,
'click .delete': this._deleteHandler
});
this._initButtonBarEventHandlers();
},
_destroyEventHandlers: function () {
this._destroyButtonBarEventHandlers();
this._off(this.options.filesContainer, 'click');
this._super();
},
_enableFileInputButton: function () {
this.element.find('.fileinput-button input')
.prop('disabled', false)
.parent().removeClass('disabled');
},
_disableFileInputButton: function () {
this.element.find('.fileinput-button input')
.prop('disabled', true)
.parent().addClass('disabled');
},
_initTemplates: function () {
var options = this.options;
options.templatesContainer = this.document[0].createElement(
options.filesContainer.prop('nodeName')
);
if (tmpl) {
if (options.uploadTemplateId) {
options.uploadTemplate = tmpl(options.uploadTemplateId);
}
if (options.downloadTemplateId) {
options.downloadTemplate = tmpl(options.downloadTemplateId);
}
}
},
_initFilesContainer: function () {
var options = this.options;
if (options.filesContainer === undefined) {
options.filesContainer = this.element.find('.files');
} else if (!(options.filesContainer instanceof $)) {
options.filesContainer = $(options.filesContainer);
}
},
_initSpecialOptions: function () {
this._super();
this._initFilesContainer();
this._initTemplates();
},
_create: function () {
this._super();
this._resetFinishedDeferreds();
if (!$.support.fileInput) {
this._disableFileInputButton();
}
},
enable: function () {
var wasDisabled = false;
if (this.options.disabled) {
wasDisabled = true;
}
this._super();
if (wasDisabled) {
this.element.find('input, button').prop('disabled', false);
this._enableFileInputButton();
}
},
disable: function () {
if (!this.options.disabled) {
this.element.find('input, button').prop('disabled', true);
this._disableFileInputButton();
}
this._super();
}
});
}));
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