* @link http://www.pradosoft.com/ * @copyright Copyright © 2005-2014 PradoSoft * @license http://www.pradosoft.com/license/ * @package Prado\Web\UI\ActiveControls */ namespace Prado\Web\UI\ActiveControls; /** * Load active control adapter. */ use Prado\Prado; use Prado\Web\UI\WebControls\TCheckBoxList; 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.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 * @package Prado\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 $this->getAdapter()->getBaseActiveControl()->getClientSide(); } /** * Override parent implementation, no javascript is rendered here instead * the javascript required for active control is registered in {@link addAttributesToRender}. */ protected function renderClientControlScript($writer) { } /** * Creates a control used for repetition (used as a template). * @return TControl the control to be repeated */ protected function createRepeatedControl() { $control = new TActiveCheckBoxListItem; $control->getAdapter()->setBaseActiveControl($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.TActiveCheckBoxList'; } }