/home/edulekha/studygroup.edulekha.com/ow_core/renderable.php
<?php
/**
* EXHIBIT A. Common Public Attribution License Version 1.0
* The contents of this file are subject to the Common Public Attribution License Version 1.0 (the “License”);
* you may not use this file except in compliance with the License. You may obtain a copy of the License at
* http://www.oxwall.org/license. The License is based on the Mozilla Public License Version 1.1
* but Sections 14 and 15 have been added to cover use of software over a computer network and provide for
* limited attribution for the Original Developer. In addition, Exhibit A has been modified to be consistent
* with Exhibit B. Software distributed under the License is distributed on an “AS IS” basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language
* governing rights and limitations under the License. The Original Code is Oxwall software.
* The Initial Developer of the Original Code is Oxwall Foundation (http://www.oxwall.org/foundation).
* All portions of the code written by Oxwall Foundation are Copyright (c) 2011. All Rights Reserved.
* EXHIBIT B. Attribution Information
* Attribution Copyright Notice: Copyright 2011 Oxwall Foundation. All rights reserved.
* Attribution Phrase (not exceeding 10 words): Powered by Oxwall community software
* Attribution URL: http://www.oxwall.org/
* Graphic Image as provided in the Covered Code.
* Display of Attribution Information is required in Larger Works which are defined in the CPAL as a work
* which combines Covered Code or portions thereof with code not governed by the terms of the CPAL.
*/
/**
* Base class for renderable elements. Allows to assign vars and compile HTML using template engine.
*
* @author Sardar Madumarov <madumarov@gmail.com>
* @package ow_core
* @since 1.0
*/
abstract class OW_Renderable extends OW_View
{
/**
* List of added components.
*
* @var array
*/
protected $components = array();
/**
* List of registered forms.
*
* @var array
*/
protected $forms = array();
/**
* Constructor.
*/
protected function __construct()
{
}
/**
* Adds component to renderable object.
*
* @param string $key
* @param OW_Renderable $component
*/
public function addComponent( $key, OW_Renderable $component )
{
$this->components[$key] = $component;
}
/**
* Returns added component by key.
*
* @param string $key
* @return OW_Component
*/
public function getComponent( $key )
{
return ( isset($this->components[$key]) ? $this->components[$key] : null );
}
/**
* Deletes added component.
*
* @param string $key
*/
public function removeComponent( $key )
{
if ( isset($this->components[$key]) )
{
unset($this->components[$key]);
}
}
/**
* Adds form to renderable object.
*
* @param Form $form
*/
public function addForm( Form $form )
{
$this->forms[$form->getName()] = $form;
}
/**
* Returns added form by key.
*
* @param string $key
* @return OW_Form
*/
public function getForm( $name )
{
return ( isset($this->forms[$name]) ? $this->forms[$name] : null );
}
protected function onRender()
{
parent::onRender();
$viewRenderer = OW_ViewRenderer::getInstance();
if ( !empty($this->components) )
{
$renderedCmps = array();
foreach ( $this->components as $key => $value )
{
$renderedCmps[$key] = $value->isVisible() ? $value->render() : '';
}
$viewRenderer->assignVars($renderedCmps);
}
if ( !empty($this->forms) )
{
$viewRenderer->assignVar("_owForms_", $this->forms);
}
}
}