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							109 lines
						
					
					
						
							3.1 KiB
						
					
					
				| <?php | |
| /** | |
|  * @link http://www.yiiframework.com/ | |
|  * @copyright Copyright (c) 2008 Yii Software LLC | |
|  * @license http://www.yiiframework.com/license/ | |
|  */ | |
|  | |
| namespace yii\validators; | |
|  | |
| use Yii; | |
| use yii\base\InvalidConfigException; | |
| use yii\helpers\Html; | |
|  | |
| /** | |
|  * 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 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 $not = false; | |
|  | |
| 	/** | |
| 	 * Initializes the validator. | |
| 	 * @throws InvalidConfigException if [[range]] is not set. | |
| 	 */ | |
| 	public function init() | |
| 	{ | |
| 		parent::init(); | |
| 		if (!is_array($this->range)) { | |
| 			throw new InvalidConfigException('The "range" property must be set.'); | |
| 		} | |
| 		if ($this->message === null) { | |
| 			$this->message = Yii::t('yii', '{attribute} is invalid.'); | |
| 		} | |
| 	} | |
|  | |
| 	/** | |
| 	 * 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 $attribute the attribute being validated | |
| 	 */ | |
| 	public function validateAttribute($object, $attribute) | |
| 	{ | |
| 		$value = $object->$attribute; | |
| 		if (!$this->validateValue($value)) { | |
| 			$this->addError($object, $attribute, $this->message); | |
| 		} | |
| 	} | |
|  | |
| 	/** | |
| 	 * Validates the given value. | |
| 	 * @param mixed $value the value to be validated. | |
| 	 * @return boolean whether the value is valid. | |
| 	 */ | |
| 	public function validateValue($value) | |
| 	{ | |
| 		return !$this->not && in_array($value, $this->range, $this->strict) | |
| 			|| $this->not && !in_array($value, $this->range, $this->strict); | |
| 	} | |
|  | |
| 	/** | |
| 	 * 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. | |
| 	 * @param \yii\base\View $view the view object that is going to be used to render views or view files | |
| 	 * containing a model form with this validator applied. | |
| 	 * @return string the client-side validation script. | |
| 	 */ | |
| 	public function clientValidateAttribute($object, $attribute, $view) | |
| 	{ | |
| 		$range = array(); | |
| 		foreach ($this->range as $value) { | |
| 			$range[] = (string)$value; | |
| 		} | |
| 		$options = array( | |
| 			'range' => $range, | |
| 			'not' => $this->not, | |
| 			'message' => Html::encode(strtr($this->message, array( | |
| 				'{attribute}' => $object->getAttributeLabel($attribute), | |
| 				'{value}' => $object->$attribute, | |
| 			))), | |
| 		); | |
| 		if ($this->skipOnEmpty) { | |
| 			$options['skipOnEmpty'] = 1; | |
| 		} | |
|  | |
| 		ValidationAsset::register($view); | |
| 		return 'yii.validation.range(value, messages, ' . json_encode($options) . ');'; | |
| 	} | |
| }
 | |
| 
 |