Files
yii/framework/validators/CBooleanValidator.php
2011-01-01 19:31:13 +00:00

61 lines
2.0 KiB
PHP

<?php
/**
* CBooleanValidator class file.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008-2011 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
/**
* CBooleanValidator validates that the attribute value is either {@link trueValue} or {@link falseValue}.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Id$
* @package system.validators
* @since 1.0.10
*/
class CBooleanValidator extends CValidator
{
/**
* @var mixed the value representing true status. Defaults to '1'.
*/
public $trueValue='1';
/**
* @var mixed the value representing false status. Defaults to '0'.
*/
public $falseValue='0';
/**
* @var boolean whether the comparison to {@link trueValue} and {@link falseValue} is strict.
* When this is true, the attribute value and type must both match those of {@link trueValue} or {@link falseValue}.
* Defaults to false, meaning only the value needs to be matched.
*/
public $strict=false;
/**
* @var boolean whether the attribute value can be null or empty. Defaults to true,
* meaning that if the attribute is empty, it is considered valid.
*/
public $allowEmpty=true;
/**
* Validates the attribute of the object.
* If there is any error, the error message is added to the object.
* @param CModel $object the object being validated
* @param string $attribute the attribute being validated
*/
protected function validateAttribute($object,$attribute)
{
$value=$object->$attribute;
if($this->allowEmpty && $this->isEmpty($value))
return;
if(!$this->strict && $value!=$this->trueValue && $value!=$this->falseValue
|| $this->strict && $value!==$this->trueValue && $value!==$this->falseValue)
{
$message=$this->message!==null?$this->message:Yii::t('yii','{attribute} must be either {true} or {false}.',
array('{true}'=>$this->trueValue, '{false}'=>$this->falseValue));
$this->addError($object,$attribute,$message);
}
}
}