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<?php
/**
* TActiveCustomValidator class file.
*
* @author Wei Zhuo <weizhuo[at]gamil[dot]com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2006 PradoSoft
* @license http://www.pradosoft.com/license/
* @version $Revision: 31/08/2006 $
* @package System.Web.UI.ActiveControls
*/
/**
* TActiveCustomValidator Class
*
* Performs custom validation using only server-side {@link onServerValidate onServerValidate}
* validation event. The client-side uses callbacks to raise
* the {@link onServerValidate onServerValidate} event.
*
* Beware that the {@link onServerValidate onServerValidate} may be
* raised when the control to validate on the client side
* changes value, that is, the server validation may be called many times.
*
* After the callback or postback, the {@link onServerValidate onServerValidate}
* is raised once more. The {@link getIsCallback IsCallback} property
* will be true when validation is made during a callback request.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @version $Revision: $ 31/08/2006 $
* @package System.Web.UI.ActiveControls
* @since 3.1
*/
class TActiveCustomValidator extends TCustomValidator
implements ICallbackEventHandler, IActiveControl
{
/**
* @var boolean true if validation is made during a callback request.
*/
private $_isCallback = false;
/**
* @return boolean true if validation is made during a callback request.
*/
public function getIsCallback()
{
return $this->_isCallback;
}
/**
* Creates a new callback control, sets the adapter to
* TActiveControlAdapter. If you override this class, be sure to set the
* adapter appropriately by, for example, by calling this constructor.
*/
public function __construct()
{
parent::__construct();
$this->setAdapter(new TActiveControlAdapter($this));
}
/**
* @return TBaseActiveCallbackControl standard callback control options.
*/
public function getActiveControl()
{
return $this->getAdapter()->getBaseActiveControl();
}
/**
* Client validation function is NOT supported.
*/
public function setClientValidationFunction($value)
{
throw new TNotSupportedException('tactivecustomvalidator_clientfunction_unsupported',
get_class($this));
}
/**
* Raises the callback event. This method is required by {@link
* ICallbackEventHandler} interface. The {@link onServerValidate
* OnServerValidate} event is raised first and then the
* {@link onCallback OnCallback} event.
* This method is mainly used by framework and control developers.
* @param TCallbackEventParameter the event parameter
*/
public function raiseCallbackEvent($param)
{
$this->_isCallback = true;
$result = $this->onServerValidate($param->getParameter());
$param->setData($result);
$this->onCallback($param);
}
/**
* This method is invoked when a callback is requested. The method raises
* 'OnCallback' event to fire up the event handlers. If you override this
* method, be sure to call the parent implementation so that the event
* handler can be invoked.
* @param TCallbackEventParameter event parameter to be passed to the event handlers
*/
public function onCallback($param)
{
$this->raiseEvent('OnCallback', $this, $param);
}
/**
* Returns an array of javascript validator options.
* @return array javascript validator options.
*/
protected function getClientScriptOptions()
{
$options=TBaseValidator::getClientScriptOptions();
$options['EventTarget'] = $this->getUniqueID();
return $options;
}
/**
* Register the javascript for the active custom validator.
*/
protected function registerClientScriptValidator()
{
$this->getActiveControl()->registerCallbackClientScript(
$this->getClientClassName(), $this->getClientScriptOptions());
}
/**
* @return string corresponding javascript class name for this this.
*/
protected function getClientClassName()
{
return 'Prado.WebUI.TActiveCustomValidator';
}
}
?>
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