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<?php
/**
* CRangeValidator class file.
*
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008-2012 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\validators;
/**
* CRangeValidator validates that the attribute value is among the list (specified via {@link range}).
* You may invert the validation logic with help of the {@link not} property (available since 1.1.5).
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Id: CRangeValidator.php 3120 2011-03-25 01:50:48Z qiang.xue $
* @package system.validators
* @since 1.0
*/
class CRangeValidator extends Validator
{
/**
* @var array list of valid values that the attribute value should be among
*/
public $range;
/**
* @var boolean whether the comparison is strict (both type and value must be the same)
*/
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;
/**
* @var boolean whether to invert the validation logic. Defaults to false. If set to true,
* the attribute value should NOT be among the list of values defined via {@link range}.
* @since 1.1.5
**/
public $not = false;
/**
* 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 $attribute the attribute being validated
*/
public function validateAttribute($object, $attribute)
{
$value = $object->$attribute;
if ($this->allowEmpty && $this->isEmpty($value))
return;
if (!is_array($this->range))
throw new CException(Yii::t('yii', 'The "range" property must be specified with a list of values.'));
if (!$this->not && !in_array($value, $this->range, $this->strict))
{
$message = $this->message !== null ? $this->message : Yii::t('yii', '{attribute} is not in the list.');
$this->addError($object, $attribute, $message);
}
elseif ($this->not && in_array($value, $this->range, $this->strict))
{
$message = $this->message !== null ? $this->message : Yii::t('yii', '{attribute} is in the list.');
$this->addError($object, $attribute, $message);
}
}
/**
* 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, $attribute)
{
if (!is_array($this->range))
throw new CException(Yii::t('yii', 'The "range" property must be specified with a list of values.'));
if (($message = $this->message) === null)
$message = $this->not ? Yii::t('yii', '{attribute} is in the list.') : Yii::t('yii', '{attribute} is not in the list.');
$message = strtr($message, array(
'{attribute}' => $object->getAttributeLabel($attribute),
));
$range = array();
foreach ($this->range as $value)
$range[] = (string)$value;
$range = json_encode($range);
return "
if(" . ($this->allowEmpty ? "$.trim(value)!='' && " : '') . ($this->not ? "$.inArray(value, $range)>=0" : "$.inArray(value, $range)<0") . ") {
messages.push(" . json_encode($message) . ");
}
";
}
}