<?php

abstract class Controller
{

	static $layout = 'layout.php';
    static private $styles = array();
    static private $scripts = array();


    static function addStyle($name)
    {
        if (array_search($name, self::$styles) === FALSE )
        {
            self::$styles[] = $name;
        }
    }

    static function addScript($name)
    {
        if (array_search($name, self::$scripts) === FALSE )
        {
            self::$scripts[] = $name;
        }
    }

    static function renderPartial($template, $data, $return = false)
	{
		if (!file_exists(App::getBasedir() . 'views/' . $template))
			return 'Template not found';

		if ($return)
			$oldContentFormBuffer_temp = ob_get_clean();

		extract($data);

		include App::getBasedir() . 'views/' . $template;

		if ($return)
		{
			$newContentFormBuffer_temp = ob_get_clean();
			echo $oldContentFormBuffer_temp;
			return $newContentFormBuffer_temp;
		} else
		{
			echo $newContentFormBuffer_temp;
		}
	}

	static function render($template, $data, $return = false)
	{
		$content = self::renderPartial($template, $data, true);
		
        $result = self::renderPartial(self::$layout, array(
                'content' => $content,
                'styles' => self::$styles,
                'scripts' => self::$scripts,
            ), true);

		if ($return)
		{
			return $result;
		} else
		{
			echo $result;
		}
	}

}