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50 lines
1.5 KiB
50 lines
1.5 KiB
<?php |
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/** |
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* DefaultValueValidator class file. |
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* |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright © 2008-2012 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace yii\validators; |
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/** |
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* DefaultValueValidator sets the attribute to be the specified default value. |
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* |
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* By default, when the attribute being validated is [[isEmpty|empty]], the validator |
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* will assign a default [[value]] to it. However, if [[setOnEmpty]] is false, the validator |
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* will always assign the default [[value]] to the attribute, no matter it is empty or not. |
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* |
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* DefaultValueValidator is not really a validator. It is provided mainly to allow |
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* specifying attribute default values in a dynamic way. |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @since 2.0 |
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*/ |
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class DefaultValueValidator extends Validator |
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{ |
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/** |
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* @var mixed the default value to be set to the specified attributes. |
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*/ |
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public $value; |
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/** |
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* @var boolean whether to set the default [[value]] only when the attribute is [[isEmpty|empty]]. |
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* Defaults to true. If false, the attribute will always be assigned with the default [[value]], |
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* no matter it is empty or not. |
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*/ |
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public $setOnEmpty = true; |
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/** |
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* Validates the attribute of the object. |
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* @param \yii\base\Model $object the object being validated |
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* @param string $attribute the attribute being validated |
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*/ |
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public function validateAttribute($object, $attribute) |
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{ |
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if (!$this->setOnEmpty || $this->isEmpty($object->$attribute)) { |
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$object->$attribute = $this->value; |
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} |
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} |
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} |
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