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<?php
/*
* Created on 5/05/2006
*/
class TActiveButton extends TButton implements ICallbackEventHandler
{
/**
* 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 base callback options.
*/
public function getActiveControl()
{
return $this->getAdapter()->getActiveControl();
}
/**
* Raises the callback event. This method is required by {@link
* ICallbackEventHandler} interface. If {@link getCausesValidation
* CausesValidation} is true, it will invoke the page's {@link TPage::
* validate validate} method first. It will raise {@link onCallback
* OnCallback} event and then the {@link onClick OnClick} event. This method
* is mainly used by framework and control developers.
* @param TCallbackEventParameter the event parameter
*/
public function raiseCallbackEvent($param)
{
$this->raisePostBackEvent($param);
$this->onCallback($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, $param);
}
/**
* @param string caption of the button
*/
public function setText($value)
{
parent::setText($value);
if($this->getActiveControl()->canUpdateClientSide())
$this->getPage()->getCallbackClient()->setAttribute($this, 'value', $value);
}
/**
* Renders the callback control javascript statement.
*/
protected function renderClientControlScript($writer)
{
}
protected function addAttributesToRender($writer)
{
parent::addAttributesToRender($writer);
$writer->addAttribute('id',$this->getClientID());
$this->getActiveControl()->registerCallbackClientScript($this->getPostBackOptions());
}
}
?>
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