93 lines
3.3 KiB
PHP
93 lines
3.3 KiB
PHP
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<?php
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/**
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* CBooleanValidator class file.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright 2008-2013 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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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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* When using the {@link message} property to define a custom error message, the message
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* may contain additional placeholders that will be replaced with the actual content. In addition
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* to the "{attribute}" placeholder, recognized by all validators (see {@link CValidator}),
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* CBooleanValidator allows for the following placeholders to be specified:
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* <ul>
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* <li>{true}: replaced with value representing the true status {@link trueValue}.</li>
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* <li>{false}: replaced with value representing the false status {@link falseValue}.</li>
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* </ul>
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @package system.validators
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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 ? "jQuery.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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