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<?php
/**
* CNumberValidator class file.
*
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008-2012 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\validators;
/**
* CNumberValidator validates that the attribute value is a number.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Id: CNumberValidator.php 3190 2011-04-16 23:40:21Z qiang.xue $
* @package system.validators
* @since 1.0
*/
class CNumberValidator extends Validator
{
/**
* @var boolean whether the attribute value can only be an integer. Defaults to false.
*/
public $integerOnly = false;
/**
* @var boolean whether the attribute value can be null or empty. Defaults to true,
* meaning that if the attribute is empty, it is considered valid.
*/
public $allowEmpty = true;
/**
* @var integer|float upper limit of the number. Defaults to null, meaning no upper limit.
*/
public $max;
/**
* @var integer|float lower limit of the number. Defaults to null, meaning no lower limit.
*/
public $min;
/**
* @var string user-defined error message used when the value is too big.
*/
public $tooBig;
/**
* @var string user-defined error message used when the value is too small.
*/
public $tooSmall;
/**
* @var string the regular expression for matching integers.
* @since 1.1.7
*/
public $integerPattern = '/^\s*[+-]?\d+\s*$/';
/**
* @var string the regular expression for matching numbers.
* @since 1.1.7
*/
public $numberPattern = '/^\s*[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?\s*$/';
/**
* Validates the attribute of the object.
* If there is any error, the error message is added to the object.
* @param CModel $object the object being validated
* @param string $attribute the attribute being validated
*/
public function validateAttribute($object, $attribute)
{
$value = $object->$attribute;
if ($this->allowEmpty && $this->isEmpty($value))
return;
if ($this->integerOnly)
{
if (!preg_match($this->integerPattern, "$value"))
{
$message = $this->message !== null ? $this->message : Yii::t('yii', '{attribute} must be an integer.');
$this->addError($object, $attribute, $message);
}
}
else
{
if (!preg_match($this->numberPattern, "$value"))
{
$message = $this->message !== null ? $this->message : Yii::t('yii', '{attribute} must be a number.');
$this->addError($object, $attribute, $message);
}
}
if ($this->min !== null && $value < $this->min)
{
$message = $this->tooSmall !== null ? $this->tooSmall : Yii::t('yii', '{attribute} is too small (minimum is {min}).');
$this->addError($object, $attribute, $message, array('{min}' => $this->min));
}
if ($this->max !== null && $value > $this->max)
{
$message = $this->tooBig !== null ? $this->tooBig : Yii::t('yii', '{attribute} is too big (maximum is {max}).');
$this->addError($object, $attribute, $message, array('{max}' => $this->max));
}
}
/**
* Returns the JavaScript needed for performing client-side validation.
* @param CModel $object the data object being validated
* @param string $attribute the name of the attribute to be validated.
* @return string the client-side validation script.
* @see CActiveForm::enableClientValidation
* @since 1.1.7
*/
public function clientValidateAttribute($object, $attribute)
{
$label = $object->getAttributeLabel($attribute);
if (($message = $this->message) === null)
$message = $this->integerOnly ? Yii::t('yii', '{attribute} must be an integer.') : Yii::t('yii', '{attribute} must be a number.');
$message = strtr($message, array(
'{attribute}' => $label,
));
if (($tooBig = $this->tooBig) === null)
$tooBig = Yii::t('yii', '{attribute} is too big (maximum is {max}).');
$tooBig = strtr($tooBig, array(
'{attribute}' => $label,
'{max}' => $this->max,
));
if (($tooSmall = $this->tooSmall) === null)
$tooSmall = Yii::t('yii', '{attribute} is too small (minimum is {min}).');
$tooSmall = strtr($tooSmall, array(
'{attribute}' => $label,
'{min}' => $this->min,
));
$pattern = $this->integerOnly ? $this->integerPattern : $this->numberPattern;
$js = "
if(!value.match($pattern)) {
messages.push(" . json_encode($message) . ");
}
";
if ($this->min !== null)
{
$js .= "
if(value< {$this->min}) {
messages.push(" . json_encode($tooSmall) . ");
}
";
}
if ($this->max !== null)
{
$js .= "
if(value> {$this->max}) {
messages.push(" . json_encode($tooBig) . ");
}
";
}
if ($this->allowEmpty)
{
$js = "
if($.trim(value)!='') {
$js
}
";
}
return $js;
}
}