use Nette\Latte;
use Nette\Latte\MacroNode;

class UIMacros extends Latte\Macros\MacroSet
{

    /**
     * @param Latte\Parser $parser
     */
    public static function install(Latte\Parser $parser)
    {
        $me = new static($parser);
        $me->addMacro('box', callback($me, 'macroBoxBegin'), "?>\n\t</div>\n</div>\n<?php");
    }



    /**
     * @param MacroNode $node
     * @param Latte\PhpWriter $writer
     */
    public function macroBoxBegin(MacroNode $node, $writer)
    {
        $title = $node->tokenizer->fetchWord();
        if (!$title) {
            throw new LatteException(); // dohledej si
        }
        $title = $writer->formatWord($title);

        // ...

        return $writer->write('?><div><?php');
    }

}