CHIEFSOFT\ameye
71 lines
2.0 KiB
PHP
71 lines
2.0 KiB
PHP
<?php
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/**
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* @file classes/form/validation/FormValidatorBoolean.php
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*
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* Copyright (c) 2014-2021 Simon Fraser University
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* Copyright (c) 2000-2021 John Willinsky
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* Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
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*
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* @class FormValidatorBoolean
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*
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* @ingroup form_validation
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*
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* @brief Form validation check that checks if the value can be
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* interpreted as a boolean value. An empty field is considered
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* 'false', a value of '1' is considered 'true'.
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*/
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namespace PKP\form\validation;
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class FormValidatorBoolean extends FormValidator
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{
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/**
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* Constructor.
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*
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* @param \PKP\form\Form $form the associated form
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* @param string $field the name of the associated field
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* @param string $message the error message for validation failures (i18n key)
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*/
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public function __construct(&$form, $field, $message)
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{
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parent::__construct($form, $field, FormValidator::FORM_VALIDATOR_OPTIONAL_VALUE, $message);
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}
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//
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// Public methods
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//
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/**
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* Value is valid if it is empty (false) or has
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* value '1' (true). This assumes checkbox
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* behavior in the form.
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*
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* @see FormValidator::isValid()
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*
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* @return bool
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*/
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public function isValid()
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{
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$value = $this->getFieldValue();
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$form = & $this->getForm();
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if (empty($value) || $value == 'on') {
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// Make sure that the form will contain a real
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// boolean value after validation.
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$value = ($value == 'on' ? true : false);
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$form->setData($this->getField(), $value);
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return true;
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} elseif ($value === '1' || $value === '0') {
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$value = ($value === '1' ? true : false);
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$form->setData($this->getField(), $value);
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return true;
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} else {
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return false;
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}
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}
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}
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if (!PKP_STRICT_MODE) {
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class_alias('\PKP\form\validation\FormValidatorBoolean', '\FormValidatorBoolean');
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}
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