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<?php
/**
* RangeValidator class file.
*
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\validators;
use yii\base\InvalidConfigException;
/**
* RangeValidator validates that the attribute value is among a list of values.
*
* The range can be specified via the [[range]] property.
* If the [[not]] property is set true, the validator will ensure the attribute value
* is NOT among the specified range.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class RangeValidator 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 [[range]].
**/
public $not = false;
/**
* Validates the attribute of the object.
* If there is any error, the error message is added to the object.
* @param \yii\base\Model $object the object being validated
* @param string $attribute the attribute being validated
* @throws InvalidConfigException if the "range" property is not an array
*/
public function validateAttribute($object, $attribute)
{
$value = $object->$attribute;
if ($this->allowEmpty && $this->isEmpty($value)) {
return;
}
if (!is_array($this->range)) {
throw new InvalidConfigException('The "range" property must be specified as an array.');
}
if (!$this->not && !in_array($value, $this->range, $this->strict)) {
$message = ($this->message !== null) ? $this->message : \Yii::t('yii|{attribute} should be 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} should NOT be in the list.');
$this->addError($object, $attribute, $message);
}
}
/**
* Returns the JavaScript needed for performing client-side validation.
* @param \yii\base\Model $object the data object being validated
* @param string $attribute the name of the attribute to be validated.
* @return string the client-side validation script.
* @throws InvalidConfigException if the "range" property is not an array
*/
public function clientValidateAttribute($object, $attribute)
{
if (!is_array($this->range)) {
throw new InvalidConfigException('The "range" property must be specified as an array.');
}
if (($message = $this->message) === null) {
$message = $this->not ? \Yii::t('yii|{attribute} should NOT be in the list.') : \Yii::t('yii|{attribute} should be in the list.');
}
$message = strtr($message, array(
'{attribute}' => $object->getAttributeLabel($attribute),
'{value}' => $object->$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) . ");
}
";
}
}