<?php

namespace org\example\SimpleMVC;

/**
 * Framework code
 */
class Layout
{
    protected $view = null;

    public function setView(View $view)
    {
        $this->view = $view;
    }

    public function renderContent()
    {
        if ($this->view !== null) {
            $this->view->render($template);
        }
    }

    public function render($layoutScript)
    {
        include $layoutScript;
    }
}

/**
 * Framework code
 */
class View
{
    protected $vars;
    protected $script;

    public function __construct()
    {
        $this->vars = array();
    }

    public function __set($name, $value)
    {
        $this->vars[$name] = $value;
    }

    public function __get($name)
    {
        return (isset($this->vars[$name])) ? $this->vars[$name] : null;
    }

    public function setScript($script)
    {
        $this->script = $script;
    }

    public function render()
    {
        include $this->script;
    }
}

/**
 * Custom application code
 */
class MyModel
{
    public function getArticles()
    {
        /* Dummy */
        return array(
            array('title'   => 'Hello World!',
                  'content' => 'Lorem ipsum...'),
            array('title'   => 'Foo Bar',
                  'content' => 'Lorem ipsum...')
        );
    }
}

/**
 * Framework code
 */
abstract class Controller
{
    protected $view = null;

    public function __construct()
    {
        $this->view = new View();
    }

    public function getView()
    {
        return $this->view;
    }
}

/**
 * Custom application code
 */
class IndexController extends Controller
{
    public function indexAction()
    {
        $model = new MyModel();

        $this->view->articles = $model->getArticles();        
    }
}



/* Front Controller stuff */

/* Extract these values from URL, e. g. http://example.org/index/index */

$controller = 'index';
$action     = 'index';

/* Instantiate corresponding controller, call corresponding action method */

$controllerClass = __NAMESPACE__ . '\\' . \ucfirst($controller) . 'Controller';
$actionMethod    = $action . 'Action';

$controllerInstance = new $controllerClass();

$controllerInstance->$actionMethod();

/*
 * Render view from active controller. Default view script resides at
 * ./templates/<controller>/<action>.phtml
 */

$view = $controllerInstance->getView();

$view->setScript('./templates/' . $controller . '/' . $action . '.phtml');

$layout = new Layout();
$layout->setView($view);
$layout->render('./layouts/default.phtml');