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<?php
/**
* CBooleanValidator class file.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.yiiframework.com/
* @copyright Copyright © 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: CBooleanValidator.php 3120 2011-03-25 01:50:48Z qiang.xue $
* @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}.');
$this->addError($object, $attribute, $message, array(
'{true}' => $this->trueValue,
'{false}' => $this->falseValue,
));
}
}
/**
* Returns the JavaScript needed for performing client-side validation.
* @param CModel $object the data object being validated
* @param string $attribute the name of the attribute to be validated.
* @return string the client-side validation script.
* @see CActiveForm::enableClientValidation
* @since 1.1.7
*/
public function clientValidateAttribute($object, $attribute)
{
$message = $this->message !== null ? $this->message : Yii::t('yii', '{attribute} must be either {true} or {false}.');
$message = strtr($message, array(
'{attribute}' => $object->getAttributeLabel($attribute),
'{true}' => $this->trueValue,
'{false}' => $this->falseValue,
));
return "
if(" . ($this->allowEmpty ? "$.trim(value)!='' && " : '') . "value!=" . CJSON::encode($this->trueValue) . " && value!=" . CJSON::encode($this->falseValue) . ") {
messages.push(" . CJSON::encode($message) . ");
}
";
}
}