126 lines
4.1 KiB
JavaScript
126 lines
4.1 KiB
JavaScript
/*
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* jQuery File Upload Validation Plugin
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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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* https://opensource.org/licenses/MIT
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*/
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/* global define, require, window */
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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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'./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('./jquery.fileupload-process')
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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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);
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}
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}(function ($) {
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'use strict';
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// Append to the default processQueue:
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$.blueimp.fileupload.prototype.options.processQueue.push(
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{
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action: 'validate',
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// Always trigger this action,
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// even if the previous action was rejected:
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always: true,
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// Options taken from the global options map:
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acceptFileTypes: '@',
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maxFileSize: '@',
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minFileSize: '@',
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maxNumberOfFiles: '@',
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disabled: '@disableValidation'
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}
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);
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// The File Upload Validation plugin extends the fileupload widget
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// with file validation functionality:
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$.widget('blueimp.fileupload', $.blueimp.fileupload, {
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options: {
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/*
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// The regular expression for allowed file types, matches
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// against either file type or file name:
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acceptFileTypes: /(\.|\/)(gif|jpe?g|png)$/i,
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// The maximum allowed file size in bytes:
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maxFileSize: 10000000, // 10 MB
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// The minimum allowed file size in bytes:
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minFileSize: undefined, // No minimal file size
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// The limit of files to be uploaded:
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maxNumberOfFiles: 10,
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*/
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// Function returning the current number of files,
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// has to be overriden for maxNumberOfFiles validation:
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getNumberOfFiles: $.noop,
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// Error and info messages:
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messages: {
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maxNumberOfFiles: 'Maximum number of files exceeded',
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acceptFileTypes: 'File type not allowed',
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maxFileSize: 'File is too large',
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minFileSize: 'File is too small'
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}
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},
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processActions: {
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validate: 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 dfd = $.Deferred(),
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settings = this.options,
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file = data.files[data.index],
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fileSize;
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if (options.minFileSize || options.maxFileSize) {
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fileSize = file.size;
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}
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if ($.type(options.maxNumberOfFiles) === 'number' &&
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(settings.getNumberOfFiles() || 0) + data.files.length >
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options.maxNumberOfFiles) {
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file.error = settings.i18n('maxNumberOfFiles');
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} else if (options.acceptFileTypes &&
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!(options.acceptFileTypes.test(file.type) ||
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options.acceptFileTypes.test(file.name))) {
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file.error = settings.i18n('acceptFileTypes');
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} else if (fileSize > options.maxFileSize) {
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file.error = settings.i18n('maxFileSize');
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} else if ($.type(fileSize) === 'number' &&
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fileSize < options.minFileSize) {
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file.error = settings.i18n('minFileSize');
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} else {
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delete file.error;
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}
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if (file.error || data.files.error) {
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data.files.error = true;
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dfd.rejectWith(this, [data]);
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} else {
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dfd.resolveWith(this, [data]);
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}
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return dfd.promise();
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}
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}
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});
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}));
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