Создание компонента MVC - Разработка расширений для Joomla 2.5

public function customAction(){
    echo  'custom action bmw';
}

defined('_JEXEC') or die;

require_once JPATH_COMPONENT.'/helpers/route.php';
require_once JPATH_COMPONENT.'/helpers/query.php';

$controller = JControllerLegacy::getInstance('Content');
$controller->execute(JFactory::getApplication()->input->get('task'));
$controller->redirect();

<?php defined('_JEXEC') or die;

JLog::addLogger(
    ['text_file' => 'com_autodealer.php'],
    JLog::ALL,
    ['com_autodealer']
);

JError::$legacy = false;

JLoader::register('AutoDealerCFG', dirname(__FILE__). '/helpers/cfg.php');
JLoader::register('AutoDealerLNG', dirname(__FILE__). '/helpers/lng.php');
JLoader::register('AutoDealerAPI', dirname(__FILE__). '/helpers/lib.php');

$doc =& JFactory::getDocument();
$doc->addStyleSheet( '/media/com_autodealer/css/main.css' );
$doc->addStyleSheet( '/media/com_autodealer/css/fw.css' );
$doc->addStyleSheet( '/media/com_autodealer/css/style.css' );

jimport('joomla.application.component.controller');

$controller = JControllerLegacy::getInstance('AutoDealer');
$input = JFactory::getApplication()->input;
///$controller->execute($input->getCmd('task', 'display'));
$controller->execute(JFactory::getApplication()->input->get('task'));
$controller->redirect();

<?php defined('_JEXEC') or die;

jimport('joomla.application.component.controller');

class AutocatalogControllerBmw extends JControllerLegacy {

    public function customAction(){
        echo  'custom action bmw';
    }

}

<?php defined('_JEXEC') or die;

jimport('joomla.application.component.modelitem');

class AutocatalogModelBmw extends JModelItem{

    public function getTypes(){
        if( !isset($this->_object) ){
            $this->_object = 'BMW Types';
        }
        return $this->_object;
    }

}

<?php defined('_JEXEC') or die;

jimport('joomla.application.component.view');

class AutocatalogViewBmw extends JViewLegacy{

    protected $types;

    public function display($tpl = null){
        $this->types = $this->get('Types');
        parent::display($tpl);
    }
    
}

<?php defined('_JEXEC') or die;

print'<pre>';
print_r([
    'types'  => $this->types,
    'models' => $this->sModels
]);
print'</pre>';

Array
(
    [types] => BMW Types
    [models] => 
)

<?php defined('_JEXEC') or die;

jimport('joomla.application.component.controller');

class AutoDealerControllerBmw extends JControllerLegacy {

    public function customAction(){
        $this->customAction =  'custom action bmw';
    }

}

<?php defined('_JEXEC') or die;

AutoDealerAPI::instance()->e([
    'types'  => $this->types,
    'customAction' => $this->customAction
]);

<?php defined('_JEXEC') or die;

jimport('joomla.application.component.controller');

class AutoDealerControllerBmw extends JControllerLegacy {

    public function customAction(){
        echo  'custom action bmw';
    }

}

    public function customAction(){
        $this->customAction =  'custom action bmw';
	$view = $this->getView('bmw', 'html');
	$view->setLayout('default');
	$view->display();
    }

public function customAction(){		
	$view = $this->getView('bmw', 'html');
	$view->customAction =  'custom action bmw';
	$view->display();
}

public function customAction(){		
	$view = $this->getView('bmw', 'html');
        $myArr = [];
	$view->customAction = getData('model','method',$myArr);
	$view->display();
}

public function customAction(){		
	$view = $this->getView('bmw', 'html','customAction');
        $myArr = [];
	$view->customAction = getData('model','method',$myArr);
	$view->display();
}

public function customAction(){		
	$view = $this->getView('bmw', 'customAction');
        $myArr = [];
	$view->customAction = getData('model','method',$myArr);
	$view->display();
}

$model = $this->getModel();
$view->data = $model->getData();