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<?php defined('SYSPATH') OR die('No direct script access.'); |
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/** |
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* Handles boolean values |
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* |
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* No special processing is added for this field other |
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* than a validation rule that ensures the email address is valid. |
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* |
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* @package Jam |
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* @category Fields |
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* @author Jonathan Geiger |
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* @copyright (c) 2010-2011 Jonathan Geiger |
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* @license http://www.opensource.org/licenses/isc-license.txt |
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*/ |
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abstract class Kohana_Jam_Field_Boolean extends Jam_Field { |
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/** |
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* @var mixed how TRUE is represented in the database |
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*/ |
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public $true = 1; |
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/** |
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* @var mixed how FALSE is represented in the database |
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*/ |
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public $false = 0; |
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/** |
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* @var boolean null values are not allowed |
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*/ |
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public $allow_null = FALSE; |
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/** |
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* @var boolean default value is FALSE, since NULL isn't allowed |
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*/ |
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public $default = FALSE; |
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/** |
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* Ensures convert_empty is not set on the field, as it prevents FALSE |
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* from ever being set on the field. |
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* |
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* @param array $options |
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*/ |
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public function __construct($options = array()) |
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{ |
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parent::__construct($options); |
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// Ensure convert_empty is FALSE |
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if ($this->convert_empty) |
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{ |
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throw new Kohana_Exception(':class cannot have convert_empty set to TRUE', array( |
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':class' => get_class($this))); |
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} |
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} |
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/** |
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* Validates a boolean out of the value with filter_var. |
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* |
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* @param mixed $value |
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* @return void |
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*/ |
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public function set(Jam_Validated $model, $value, $is_changed) |
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{ |
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list($value, $return) = $this->_default($model, $value); |
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if ( ! $return) |
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{ |
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$value = filter_var($value, FILTER_VALIDATE_BOOLEAN); |
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} |
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return $value; |
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} |
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} // End Kohana_Jam_Field_Boolean |
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