113 lines
3.5 KiB
JavaScript
113 lines
3.5 KiB
JavaScript
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/*
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* jQuery File Upload Audio Preview Plugin 1.0.4
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* https://github.com/blueimp/jQuery-File-Upload
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*
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* Copyright 2013, Sebastian Tschan
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* https://blueimp.net
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*
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* Licensed under the MIT license:
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* http://www.opensource.org/licenses/MIT
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*/
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/* jshint nomen:false */
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/* global define, require, window, document */
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(function (factory) {
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'use strict';
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if (typeof define === 'function' && define.amd) {
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// Register as an anonymous AMD module:
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define([
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'jquery',
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'load-image',
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'./jquery.fileupload-process'
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], factory);
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} else if (typeof exports === 'object') {
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// Node/CommonJS:
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factory(
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require('jquery'),
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require('load-image')
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);
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} else {
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// Browser globals:
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factory(
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window.jQuery,
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window.loadImage
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);
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}
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}(function ($, loadImage) {
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'use strict';
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// Prepend to the default processQueue:
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$.blueimp.fileupload.prototype.options.processQueue.unshift(
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{
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action: 'loadAudio',
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// Use the action as prefix for the "@" options:
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prefix: true,
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fileTypes: '@',
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maxFileSize: '@',
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disabled: '@disableAudioPreview'
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},
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{
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action: 'setAudio',
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name: '@audioPreviewName',
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disabled: '@disableAudioPreview'
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}
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);
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// The File Upload Audio Preview plugin extends the fileupload widget
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// with audio preview functionality:
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$.widget('blueimp.fileupload', $.blueimp.fileupload, {
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options: {
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// The regular expression for the types of audio files to load,
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// matched against the file type:
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loadAudioFileTypes: /^audio\/.*$/
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},
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_audioElement: document.createElement('audio'),
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processActions: {
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// Loads the audio file given via data.files and data.index
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// as audio element if the browser supports playing it.
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// Accepts the options fileTypes (regular expression)
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// and maxFileSize (integer) to limit the files to load:
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loadAudio: function (data, options) {
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if (options.disabled) {
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return data;
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}
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var file = data.files[data.index],
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url,
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audio;
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if (this._audioElement.canPlayType &&
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this._audioElement.canPlayType(file.type) &&
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($.type(options.maxFileSize) !== 'number' ||
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file.size <= options.maxFileSize) &&
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(!options.fileTypes ||
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options.fileTypes.test(file.type))) {
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url = loadImage.createObjectURL(file);
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if (url) {
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audio = this._audioElement.cloneNode(false);
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audio.src = url;
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audio.controls = true;
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data.audio = audio;
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return data;
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}
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}
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return data;
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},
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// Sets the audio element as a property of the file object:
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setAudio: function (data, options) {
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if (data.audio && !options.disabled) {
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data.files[data.index][options.name || 'preview'] = data.audio;
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}
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return data;
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}
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}
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});
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}));
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