/libs/HTML/QuickForm2/Rule/Empty.php
PHP | 89 lines | 18 code | 4 blank | 67 comment | 6 complexity | 79be971ced97cecdd2e1d1378cbcddb7 MD5 | raw file
Possible License(s): LGPL-3.0, JSON, MIT, GPL-3.0, LGPL-2.1, GPL-2.0, AGPL-1.0, BSD-2-Clause, BSD-3-Clause
- <?php
- /**
- * Rule checking that the field is empty
- *
- * PHP version 5
- *
- * LICENSE:
- *
- * Copyright (c) 2006-2010, Alexey Borzov <avb@php.net>,
- * Bertrand Mansion <golgote@mamasam.com>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * The names of the authors may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * @category HTML
- * @package HTML_QuickForm2
- * @author Alexey Borzov <avb@php.net>
- * @author Bertrand Mansion <golgote@mamasam.com>
- * @license http://opensource.org/licenses/bsd-license.php New BSD License
- * @version SVN: $Id: Empty.php 299480 2010-05-19 06:55:03Z avb $
- * @link http://pear.php.net/package/HTML_QuickForm2
- */
- /**
- * Base class for HTML_QuickForm2 rules
- */
- // require_once 'HTML/QuickForm2/Rule.php';
- /**
- * Rule checking that the field is empty
- *
- * Handles both simple form fields and file uploads, the latter are considered
- * valid iff no file upload was attempted.
- *
- * The rule doesn't make much sense if used separately, but can be very helpful
- * if chained:
- * <code>
- * $spamCheck->addRule('empty')
- * ->or_($email->createRule('nonempty', 'Supply a valid email if you want to receive our spam')
- * ->and_($email->createRule('email')));
- * </code>
- *
- * @category HTML
- * @package HTML_QuickForm2
- * @author Alexey Borzov <avb@php.net>
- * @author Bertrand Mansion <golgote@mamasam.com>
- * @version Release: @package_version@
- */
- class HTML_QuickForm2_Rule_Empty extends HTML_QuickForm2_Rule
- {
- protected function validateOwner()
- {
- $value = $this->owner->getValue();
- if (!$this->owner instanceof HTML_QuickForm2_Element_InputFile) {
- return 0 == strlen($value);
- } else {
- return isset($value['error']) && UPLOAD_ERR_NO_FILE == $value['error'];
- }
- }
- protected function getJavascriptCallback()
- {
- return "function() { return " . $this->owner->getJavascriptValue() . " == ''; }";
- }
- }
- ?>