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<?php
/**
* TActiveRatingList class file.
*
* @author Wei Zhuo <weizhuo[at]gamil[dot]com>
* @author Bradley Booms <bradley[dot]booms[at]gmail[dot]com>
* @link https://github.com/pradosoft/prado
* @copyright Copyright © 2005-2016 The PRADO Group
* @license https://github.com/pradosoft/prado/blob/master/COPYRIGHT
* @version $Id$
* @package System.Web.UI.ActiveControls
*/
/**
* TActiveRatingList Class
*
* Displays clickable images that represent a TRadioButtonList
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @author Bradley Booms <bradley[dot]booms[at]gmail[dot]com>
* @version $Id$
* @package System.Web.UI.ActiveControls
* @since 3.1
*/
class TActiveRatingList extends TRatingList 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 $this->getAdapter()->getBaseActiveControl()->getClientSide();
}
/**
* Raises the callback event. This method is required by {@link
* ICallbackEventHandler} interface.
* This method is mainly used by framework and control developers.
* @param TCallbackEventParameter the event parameter
*/
public function raiseCallbackEvent($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, $param);
}
/**
* @param boolean whether the items in the column can be edited
*/
public function setReadOnly($value)
{
if(parent::getReadOnly() === $value)
return;
parent::setReadOnly($value);
$value = $this->getReadOnly();
$this->callClientFunction('setReadOnly',$value);
}
/**
* @param float rating value, also sets the selected Index
*/
public function setRating($value)
{
if(parent::getRating() === $value)
return;
parent::setRating($value);
$value = $this->getRating();
$this->callClientFunction('setRating',$value);
}
/**
* Calls the client-side static method for this control class.
* @param string static method name
* @param mixed method parmaeter
*/
protected function callClientFunction($func,$value)
{
if($this->getActiveControl()->canUpdateClientSide())
{
$client = $this->getPage()->getCallbackClient();
$code = 'Prado.Registry[\''.$this->ClientID.'\'].'.$func.'('.$value.')';
$client->evaluateScript($code,array($value));
}
}
/**
* @param string caption text
*/
public function setCaption($value)
{
if(parent::getCaption() === $value)
return;
parent::setCaption($value);
// if it's an active control, this should not be needed.
$this->callClientFunction('setCaption',$value);
}
/**
* 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.TActiveRatingList';
}
}
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