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<?php
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/**
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* CBooleanValidator 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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* CBooleanValidator validates that the attribute value is either {@link trueValue} or {@link falseValue}.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @version $Id: CBooleanValidator.php 3120 2011-03-25 01:50:48Z qiang.xue $
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* @package system.validators
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* @since 1.0.10
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*/
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class CBooleanValidator extends CValidator
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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 {@link trueValue} and {@link falseValue} is strict.
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* When this is true, the attribute value and type must both match those of {@link trueValue} or {@link 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 CModel $object the object being validated
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* @param string $attribute the attribute being validated
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*/
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protected function validateAttribute($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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if (!$this->strict && $value != $this->trueValue && $value != $this->falseValue
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|| $this->strict && $value !== $this->trueValue && $value !== $this->falseValue)
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{
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$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 CModel $object the data object being validated
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* @param string $attribute the name of the attribute to be validated.
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* @return string the client-side validation script.
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* @see CActiveForm::enableClientValidation
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* @since 1.1.7
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*/
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public function clientValidateAttribute($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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'{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 ? "$.trim(value)!='' && " : '') . "value!=" . CJSON::encode($this->trueValue) . " && value!=" . CJSON::encode($this->falseValue) . ") {
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messages.push(" . CJSON::encode($message) . ");
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}
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";
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}
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}
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