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<?php
/**
* TActiveCheckBoxList 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 $Id$
* @package System.Web.UI.ActiveControls
*/
/**
* Load active control adapter.
*/
Prado::using('System.Web.UI.ActiveControls.TActiveListControlAdapter');
/**
* TActiveCheckBoxList class.
*
* The active control counter part to checkbox list control.
* The {@link setAutoPostBack AutoPostBack} property is set to true by default.
* Thus, when a checkbox is clicked a {@link onCallback OnCallback} event is
* raised after {@link OnSelectedIndexChanged} event.
*
* With {@link TBaseActiveControl::setEnableUpdate() ActiveControl.EnabledUpdate}
* set to true (default is true), changes to the selection will be updated
* on the client side.
*
* List items can not be changed dynamically during a callback request.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @version $Id$
* @package System.Web.UI.ActiveControls
* @since 3.1
*/
class TActiveCheckBoxList extends TCheckBoxList implements IActiveControl, ICallbackEventHandler
{
/**
* Creates a new callback control, sets the adapter to
* TActiveListControlAdapter. If you override this class, be sure to set the
* adapter appropriately by, for example, by calling this constructor.
*/
public function __construct()
{
$this->setAdapter(new TActiveListControlAdapter($this));
$this->setAutoPostBack(true);
parent::__construct();
}
/**
* @return TBaseActiveCallbackControl standard callback control options.
*/
public function getActiveControl()
{
return $this->getAdapter()->getBaseActiveControl();
}
/**
* @return TCallbackClientSide client side request options.
*/
public function getClientSide()
{
return $this->getAdapter()->getBaseActiveControl()->getClientSide();
}
/**
* @return string javascript client-side control class name.
*/
protected function getClientClassName()
{
return 'Prado.WebUI.TActiveCheckBoxList';
}
/**
* Registers the javascript code for initializing the active control.
*/
protected function renderClientControlScript($writer)
{
$this->getActiveControl()->registerCallbackClientScript(
$this->getClientClassName(), $this->getPostBackOptions());
}
/**
* Creates a control used for repetition (used as a template).
* @return TControl the control to be repeated
*/
protected function createRepeatedControl()
{
$control = new TActiveCheckBox;
$control->getAdapter()->setBaseActiveControl($this->getActiveControl());
return $control;
}
/**
* Raises the callback event. This method is required by {@link
* ICallbackEventHandler} interface.
* This method is mainly used by framework and control developers.
* @param TCallbackEventParameter the event parameter
*/
public function raiseCallbackEvent($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);
}
}
?>
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