alpaca
Version:
Alpaca provides the easiest and fastest way to generate interactive forms for the web and mobile devices. It runs simply as HTML5 or more elaborately using Bootstrap, jQuery Mobile or jQuery UI. Alpaca uses Handlebars to process JSON schema and provide
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JavaScript
/*
* jQuery File Upload Audio Preview Plugin
* https://github.com/blueimp/jQuery-File-Upload
*
* Copyright 2013, Sebastian Tschan
* https://blueimp.net
*
* Licensed under the MIT license:
* http://www.opensource.org/licenses/MIT
*/
/* jshint nomen:false */
/* global define, require, window, document */
(function (factory) {
'use strict';
if (typeof define === 'function' && define.amd) {
// Register as an anonymous AMD module:
define([
'jquery',
'load-image',
'./jquery.fileupload-process'
], factory);
} else if (typeof exports === 'object') {
// Node/CommonJS:
factory(
require('jquery'),
require('load-image')
);
} else {
// Browser globals:
factory(
window.jQuery,
window.loadImage
);
}
}(function ($, loadImage) {
'use strict';
// Prepend to the default processQueue:
$.blueimp.fileupload.prototype.options.processQueue.unshift(
{
action: 'loadAudio',
// Use the action as prefix for the "@" options:
prefix: true,
fileTypes: '@',
maxFileSize: '@',
disabled: '@disableAudioPreview'
},
{
action: 'setAudio',
name: '@audioPreviewName',
disabled: '@disableAudioPreview'
}
);
// The File Upload Audio Preview plugin extends the fileupload widget
// with audio preview functionality:
$.widget('blueimp.fileupload', $.blueimp.fileupload, {
options: {
// The regular expression for the types of audio files to load,
// matched against the file type:
loadAudioFileTypes: /^audio\/.*$/
},
_audioElement: document.createElement('audio'),
processActions: {
// Loads the audio file given via data.files and data.index
// as audio element if the browser supports playing it.
// Accepts the options fileTypes (regular expression)
// and maxFileSize (integer) to limit the files to load:
loadAudio: function (data, options) {
if (options.disabled) {
return data;
}
var file = data.files[data.index],
url,
audio;
if (this._audioElement.canPlayType &&
this._audioElement.canPlayType(file.type) &&
($.type(options.maxFileSize) !== 'number' ||
file.size <= options.maxFileSize) &&
(!options.fileTypes ||
options.fileTypes.test(file.type))) {
url = loadImage.createObjectURL(file);
if (url) {
audio = this._audioElement.cloneNode(false);
audio.src = url;
audio.controls = true;
data.audio = audio;
return data;
}
}
return data;
},
// Sets the audio element as a property of the file object:
setAudio: function (data, options) {
if (data.audio && !options.disabled) {
data.files[data.index][options.name || 'preview'] = data.audio;
}
return data;
}
}
});
}));