| 提交 | 用户 | 时间 | ||
| 58d006 | 1 | /* |
| A | 2 | * jQuery File Upload Audio Preview Plugin 1.0.3 |
| 3 | * https://github.com/blueimp/jQuery-File-Upload | |
| 4 | * | |
| 5 | * Copyright 2013, Sebastian Tschan | |
| 6 | * https://blueimp.net | |
| 7 | * | |
| 8 | * Licensed under the MIT license: | |
| 9 | * http://www.opensource.org/licenses/MIT | |
| 10 | */ | |
| 11 | ||
| 12 | /* jshint nomen:false */ | |
| 13 | /* global define, window, document */ | |
| 14 | ||
| 15 | (function (factory) { | |
| 16 | 'use strict'; | |
| 17 | if (typeof define === 'function' && define.amd) { | |
| 18 | // Register as an anonymous AMD module: | |
| 19 | define([ | |
| 20 | 'jquery', | |
| 21 | 'load-image', | |
| 22 | './jquery.fileupload-process' | |
| 23 | ], factory); | |
| 24 | } else { | |
| 25 | // Browser globals: | |
| 26 | factory( | |
| 27 | window.jQuery, | |
| 28 | window.loadImage | |
| 29 | ); | |
| 30 | } | |
| 31 | }(function ($, loadImage) { | |
| 32 | 'use strict'; | |
| 33 | ||
| 34 | // Prepend to the default processQueue: | |
| 35 | $.blueimp.fileupload.prototype.options.processQueue.unshift( | |
| 36 | { | |
| 37 | action: 'loadAudio', | |
| 38 | // Use the action as prefix for the "@" options: | |
| 39 | prefix: true, | |
| 40 | fileTypes: '@', | |
| 41 | maxFileSize: '@', | |
| 42 | disabled: '@disableAudioPreview' | |
| 43 | }, | |
| 44 | { | |
| 45 | action: 'setAudio', | |
| 46 | name: '@audioPreviewName', | |
| 47 | disabled: '@disableAudioPreview' | |
| 48 | } | |
| 49 | ); | |
| 50 | ||
| 51 | // The File Upload Audio Preview plugin extends the fileupload widget | |
| 52 | // with audio preview functionality: | |
| 53 | $.widget('blueimp.fileupload', $.blueimp.fileupload, { | |
| 54 | ||
| 55 | options: { | |
| 56 | // The regular expression for the types of audio files to load, | |
| 57 | // matched against the file type: | |
| 58 | loadAudioFileTypes: /^audio\/.*$/ | |
| 59 | }, | |
| 60 | ||
| 61 | _audioElement: document.createElement('audio'), | |
| 62 | ||
| 63 | processActions: { | |
| 64 | ||
| 65 | // Loads the audio file given via data.files and data.index | |
| 66 | // as audio element if the browser supports playing it. | |
| 67 | // Accepts the options fileTypes (regular expression) | |
| 68 | // and maxFileSize (integer) to limit the files to load: | |
| 69 | loadAudio: function (data, options) { | |
| 70 | if (options.disabled) { | |
| 71 | return data; | |
| 72 | } | |
| 73 | var file = data.files[data.index], | |
| 74 | url, | |
| 75 | audio; | |
| 76 | if (this._audioElement.canPlayType && | |
| 77 | this._audioElement.canPlayType(file.type) && | |
| 78 | ($.type(options.maxFileSize) !== 'number' || | |
| 79 | file.size <= options.maxFileSize) && | |
| 80 | (!options.fileTypes || | |
| 81 | options.fileTypes.test(file.type))) { | |
| 82 | url = loadImage.createObjectURL(file); | |
| 83 | if (url) { | |
| 84 | audio = this._audioElement.cloneNode(false); | |
| 85 | audio.src = url; | |
| 86 | audio.controls = true; | |
| 87 | data.audio = audio; | |
| 88 | return data; | |
| 89 | } | |
| 90 | } | |
| 91 | return data; | |
| 92 | }, | |
| 93 | ||
| 94 | // Sets the audio element as a property of the file object: | |
| 95 | setAudio: function (data, options) { | |
| 96 | if (data.audio && !options.disabled) { | |
| 97 | data.files[data.index][options.name || 'preview'] = data.audio; | |
| 98 | } | |
| 99 | return data; | |
| 100 | } | |
| 101 | ||
| 102 | } | |
| 103 | ||
| 104 | }); | |
| 105 | ||
| 106 | })); | |
