define('DR', realpath(dirname(__FILE__)).DS);

class View
{
    # view file path
    private $file;

    # view local variables
    private $data = array();

    # view rendered content
    private $content;

    # view global variables
    private static $_data = array();

    private function __construct($name)
    {
        $name = str_replace(array('/', '//', '\\'), DIRECTORY_SEPARATOR, $name);
        $file = DR.'views'.DS.$name.EXT;

        if (file_exists($file))
        {
            $this->file = $file;
        }

        return true;
    }

    public static function factory($name = '')
    {
        if (empty($name))
        {
            return false;
        }

        return new view($name);
    }

    public function __set($key = '', $value = null)
    {
        if (empty($key))
        {
            return false;
        }

        $this->data[$key] = $value;

        return true;
    }

    public function __get($key = '')
    {
        if (empty($key))
        {
            return false;
        }

        if (array_key_exists($key, $this->data))
        {
            return $this->data[$key];
        }
        else
        {
            return false;
        }
    }

    public function bind($key = '', $value = null)
    {
        if (empty($key))
        {
            return false;
        }

        view::$_data[$key] = $value;

        return true;
    }

    public function render()
    {
        if (!empty(view::$_data))
        {
            extract(view::$_data);
        }

        extract($this->data);

        ob_start();

        include($this->file);

        $this->content = ob_get_contents();

        ob_end_clean();

        return (string) $this->content;
    }

    public function __toString()
    {
        return $this->render();
    }