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<?php
/**
* TActiveRadioButtonList class file.
*
* @author Wei Zhuo <weizhuo[at]gamil[dot]com>
* @link https://github.com/pradosoft/prado
* @copyright Copyright © 2005-2015 The PRADO Group
* @license https://github.com/pradosoft/prado/blob/master/COPYRIGHT
* @package System.Web.UI.ActiveControls
*/
/**
* Load active control adapter and active radio button.
*/
Prado::using('System.Web.UI.ActiveControls.TActiveListControlAdapter');
Prado::using('System.Web.UI.ActiveControls.TActiveRadioButton');
/**
* TActiveRadioButtonList class.
*
* The active control counter part to radio button list control.
* The {@link setAutoPostBack AutoPostBack} property is set to true by default.
* Thus, when a radio button is clicked a {@link onCallback OnCallback} event is
* raised after {@link OnSelectedIndexChanged} event.
*
* With {@link TBaseActiveControl::setEnableUpdate() ActiveControl.EnableUpdate}
* 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>
* @package System.Web.UI.ActiveControls
* @since 3.1
*/
class TActiveRadioButtonList extends TRadioButtonList 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 $this->getAdapter()->getBaseActiveControl()->getClientSide();
}
/**
* Override parent implementation, no javascript is rendered here instead
* the javascript required for active control is registered in {@link addAttributesToRender}.
*/
protected function renderClientControlScript($writer)
{
}
/**
* Creates a control used for repetition (used as a template).
* @return TControl the control to be repeated
*/
protected function createRepeatedControl()
{
$control = new TActiveRadioButtonItem;
$control->getAdapter()->setBaseActiveControl($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, $param);
}
/**
* Ensure that the ID attribute is rendered and registers the javascript code
* for initializing the active control.
*/
protected function addAttributesToRender($writer)
{
parent::addAttributesToRender($writer);
$this->getActiveControl()->registerCallbackClientScript(
$this->getClientClassName(), $this->getPostBackOptions());
}
/**
* Gets the name of the javascript class responsible for performing postback for this control.
* This method overrides the parent implementation.
* @return string the javascript class name
*/
protected function getClientClassName()
{
return 'Prado.WebUI.TActiveRadioButtonList';
}
}
class TActiveRadioButtonItem extends TActiveRadioButton
{
/**
* Override client implementation to avoid emitting the javascript
*
* @param THtmlWriter the writer for the rendering purpose
* @param string checkbox id
* @param string onclick js
*/
protected function renderInputTag($writer,$clientID,$onclick)
{
TRadioButton::renderInputTag($writer,$clientID,$onclick);
}
}
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