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			87 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			87 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * BooleanValidator 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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 * BooleanValidator checks if the attribute value is a boolean value.
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 *
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 * Possible boolean values can be configured via the [[trueValue]] and [[falseValue]] properties.
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 * And the comparison can be either [[strict]] or not.
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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 BooleanValidator extends Validator
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{
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	/**
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	 * @var mixed the value representing true status. Defaults to '1'.
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	 */
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	public $trueValue = '1';
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	/**
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	 * @var mixed the value representing false status. Defaults to '0'.
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	 */
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	public $falseValue = '0';
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	/**
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	 * @var boolean whether the comparison to [[trueValue]] and [[falseValue]] is strict.
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	 * When this is true, the attribute value and type must both match those of [[trueValue]] or [[falseValue]].
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	 * Defaults to false, meaning only the value needs to be matched.
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	 */
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	public $strict = false;
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	/**
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	 * @var boolean whether the attribute value can be null or empty. Defaults to true,
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	 * meaning that if the attribute is empty, it is considered valid.
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	 */
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	public $allowEmpty = true;
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	/**
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	 * Validates the attribute of the object.
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	 * If there is any error, the error message is added to 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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		$value = $object->$attribute;
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		if ($this->allowEmpty && $this->isEmpty($value)) {
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			return;
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		}
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		if (!$this->strict && $value != $this->trueValue && $value != $this->falseValue
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				|| $this->strict && $value !== $this->trueValue && $value !== $this->falseValue) {
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			$message = $this->message !== null ? $this->message : Yii::t('yii', '{attribute} must be either {true} or {false}.');
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			$this->addError($object, $attribute, $message, array(
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				'{true}' => $this->trueValue,
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				'{false}' => $this->falseValue,
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			));
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		}
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	}
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	/**
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	 * Returns the JavaScript needed for performing client-side validation.
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	 * @param \yii\base\Model $object the data object being validated
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	 * @param string $attribute the name of the attribute to be validated.
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	 * @return string the client-side validation script.
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	 */
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	public function clientValidateAttribute($object, $attribute)
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	{
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		$message = $this->message !== null ? $this->message : Yii::t('yii', '{attribute} must be either {true} or {false}.');
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		$message = strtr($message, array(
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			'{attribute}' => $object->getAttributeLabel($attribute),
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			'{value}' => $object->$attribute,
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			'{true}' => $this->trueValue,
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			'{false}' => $this->falseValue,
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		));
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		return "
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if(" . ($this->allowEmpty ? "$.trim(value)!='' && " : '') . "value!=" . json_encode($this->trueValue) . " && value!=" . json_encode($this->falseValue) . ") {
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	messages.push(" . json_encode($message) . ");
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}
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";
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	}
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}
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