113 lines
3.5 KiB
JavaScript
113 lines
3.5 KiB
JavaScript
/*
|
|
* jQuery File Upload Audio Preview Plugin 1.0.4
|
|
* 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;
|
|
}
|
|
|
|
}
|
|
|
|
});
|
|
|
|
}));
|