| 提交 | 用户 | 时间 | ||
| 58d006 | 1 | /* |
| A | 2 | * jQuery File Upload Validation Plugin 1.1.2 |
| 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 | /* global define, window */ | |
| 13 | ||
| 14 | (function (factory) { | |
| 15 | 'use strict'; | |
| 16 | if (typeof define === 'function' && define.amd) { | |
| 17 | // Register as an anonymous AMD module: | |
| 18 | define([ | |
| 19 | 'jquery', | |
| 20 | './jquery.fileupload-process' | |
| 21 | ], factory); | |
| 22 | } else { | |
| 23 | // Browser globals: | |
| 24 | factory( | |
| 25 | window.jQuery | |
| 26 | ); | |
| 27 | } | |
| 28 | }(function ($) { | |
| 29 | 'use strict'; | |
| 30 | ||
| 31 | // Append to the default processQueue: | |
| 32 | $.blueimp.fileupload.prototype.options.processQueue.push( | |
| 33 | { | |
| 34 | action: 'validate', | |
| 35 | // Always trigger this action, | |
| 36 | // even if the previous action was rejected: | |
| 37 | always: true, | |
| 38 | // Options taken from the global options map: | |
| 39 | acceptFileTypes: '@', | |
| 40 | maxFileSize: '@', | |
| 41 | minFileSize: '@', | |
| 42 | maxNumberOfFiles: '@', | |
| 43 | disabled: '@disableValidation' | |
| 44 | } | |
| 45 | ); | |
| 46 | ||
| 47 | // The File Upload Validation plugin extends the fileupload widget | |
| 48 | // with file validation functionality: | |
| 49 | $.widget('blueimp.fileupload', $.blueimp.fileupload, { | |
| 50 | ||
| 51 | options: { | |
| 52 | /* | |
| 53 | // The regular expression for allowed file types, matches | |
| 54 | // against either file type or file name: | |
| 55 | acceptFileTypes: /(\.|\/)(gif|jpe?g|png)$/i, | |
| 56 | // The maximum allowed file size in bytes: | |
| 57 | maxFileSize: 10000000, // 10 MB | |
| 58 | // The minimum allowed file size in bytes: | |
| 59 | minFileSize: undefined, // No minimal file size | |
| 60 | // The limit of files to be uploaded: | |
| 61 | maxNumberOfFiles: 10, | |
| 62 | */ | |
| 63 | ||
| 64 | // Function returning the current number of files, | |
| 65 | // has to be overriden for maxNumberOfFiles validation: | |
| 66 | getNumberOfFiles: $.noop, | |
| 67 | ||
| 68 | // Error and info messages: | |
| 69 | messages: { | |
| 70 | maxNumberOfFiles: 'Maximum number of files exceeded', | |
| 71 | acceptFileTypes: 'File type not allowed', | |
| 72 | maxFileSize: 'File is too large', | |
| 73 | minFileSize: 'File is too small' | |
| 74 | } | |
| 75 | }, | |
| 76 | ||
| 77 | processActions: { | |
| 78 | ||
| 79 | validate: function (data, options) { | |
| 80 | if (options.disabled) { | |
| 81 | return data; | |
| 82 | } | |
| 83 | var dfd = $.Deferred(), | |
| 84 | settings = this.options, | |
| 85 | file = data.files[data.index], | |
| 86 | fileSize; | |
| 87 | if (options.minFileSize || options.maxFileSize) { | |
| 88 | fileSize = file.size; | |
| 89 | } | |
| 90 | if ($.type(options.maxNumberOfFiles) === 'number' && | |
| 91 | (settings.getNumberOfFiles() || 0) + data.files.length > | |
| 92 | options.maxNumberOfFiles) { | |
| 93 | file.error = settings.i18n('maxNumberOfFiles'); | |
| 94 | } else if (options.acceptFileTypes && | |
| 95 | !(options.acceptFileTypes.test(file.type) || | |
| 96 | options.acceptFileTypes.test(file.name))) { | |
| 97 | file.error = settings.i18n('acceptFileTypes'); | |
| 98 | } else if (fileSize > options.maxFileSize) { | |
| 99 | file.error = settings.i18n('maxFileSize'); | |
| 100 | } else if ($.type(fileSize) === 'number' && | |
| 101 | fileSize < options.minFileSize) { | |
| 102 | file.error = settings.i18n('minFileSize'); | |
| 103 | } else { | |
| 104 | delete file.error; | |
| 105 | } | |
| 106 | if (file.error || data.files.error) { | |
| 107 | data.files.error = true; | |
| 108 | dfd.rejectWith(this, [data]); | |
| 109 | } else { | |
| 110 | dfd.resolveWith(this, [data]); | |
| 111 | } | |
| 112 | return dfd.promise(); | |
| 113 | } | |
| 114 | ||
| 115 | } | |
| 116 | ||
| 117 | }); | |
| 118 | ||
| 119 | })); | |
