Subversion-Projekte lars-tiefland.prado

<?php
/**
 * TTriggeredCallback class file.
 *
 * @author Wei Zhuo <weizhuo[at]gamil[dot]com>
 * @link http://www.pradosoft.com/
 * @copyright Copyright &copy; 2005-2008 PradoSoft
 * @license http://www.pradosoft.com/license/
 * @version $Id: TTriggeredCallback.php 2541 2008-10-21 15:05:13Z qiang.xue $
 * @package System.Web.UI.ActiveControls
 */

/**
 * TTriggeredCallback abstract Class
 *
 * Base class for triggered callback controls. The {@link setControlID ControlID}
 * property sets the control ID to observe the trigger.
 *
 * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
 * @version $Id: TTriggeredCallback.php 2541 2008-10-21 15:05:13Z qiang.xue $
 * @package System.Web.UI.ActiveControls
 * @since 3.1
 */
abstract class TTriggeredCallback extends TCallback
{
        /**
         * @return string The ID of the server control the trigger is bounded to.
         */
        public function getControlID()
        {
                return $this->getViewState('ControlID', '');
        }

        /**
         * @param string The ID of the server control the trigger is bounded to.
         */
        public function setControlID($value)
        {
                $this->setViewState('ControlID', $value, '');
        }

        /**
         * @return string target control client ID or html element ID if
         * control is not found in hierarchy.
         */
        protected function getTargetControl()
        {
                $id = $this->getControlID();
                if(($control=$this->findControl($id)) instanceof TControl)
                        return $control->getClientID();
                if($id==='')
                {
                        throw new TConfigurationException(
                                'ttriggeredcallback_invalid_controlid', get_class($this));
                }
                return $id;
        }

        /**
         * @return array list of trigger callback options.
         */
        protected function getTriggerOptions()
        {
                $options['ID'] = $this->getClientID();
                $options['EventTarget'] = $this->getUniqueID();
                $options['ControlID'] = $this->getTargetControl();
                return $options;
        }
}