View file application/libraries/Engine/Content/Element/Widget.php

<?php
/**
 * SocialEngine
 *
 * @category   Engine
 * @package    Engine_Content
 * @copyright  Copyright 2006-2010 Webligo Developments
 * @license    http://www.socialengine.com/license/
 * @version    $Id: Widget.php 9999 2013-03-26 21:31:27Z jung $
 */

/**
 * @category   Engine
 * @package    Engine_Content
 * @copyright  Copyright 2006-2010 Webligo Developments
 * @license    http://www.socialengine.com/license/
 */
class Engine_Content_Element_Widget extends Engine_Content_Element_Abstract
{
    protected $_action;

    protected $_request;

    protected $_throwExceptions = false;

    protected $_widget;

    public function __construct($options = null)
    {
        parent::__construct($options);
        //$this->_throwExceptions = ( APPLICATION_ENV === 'development' );
    }

    public function setAction($action)
    {
        $this->_action = $action;
        return $this;
    }

    public function setRequest(Zend_Controller_Request_Abstract $request)
    {
        $this->_request = $request;
        return $this;
    }

    public function setThrowExceptions($flag = true)
    {
        $this->_throwExceptions = (bool) $flag;
        return $this;
    }

    public function getWidget()
    {
        return $this->_widget;
    }

    protected function _render()
    {
        try {
            $contentInstance = Engine_Content::getInstance();
            $this->_widget = $contentInstance->loadWidget($this->getName());

            // don't throw exception if it's because the module is not installed / disabled
            if (!$this->_widget) {
                $this->setNoRender();
                return '';
            }

            $this->_widget->setElement($this);
            if (null !== $this->_request) {
                $this->_widget->setRequest($this->_request);
            }
            $this->_widget->render($this->_action);
            return $this->_widget->getContent();
        } catch (Exception $e) {
            $this->setNoRender();
            if ($this->_throwExceptions) {
                throw $e;
            } else {
                if (!($e instanceof Engine_Exception)) {
                    $log = Zend_Registry::get('Zend_Log');
                    $log->log($e->__toString(), Zend_Log::CRIT);
                }
                // Silence
                //if( APPLICATION_ENV === 'development' ) {
                //  trigger_error('Exception thrown while rendering widget: ' . $e->__toString(), E_USER_WARNING);
                //}
            }
            return '';
        }
    }
}