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