FriendlyMacros

gistfile1.php

<?php

namespace Nette\Latte\Macros;

use Nette,
	Nette\Latte,
	Nette\Latte\MacroNode,
	Nette\Latte\ParseException,
	Nette\Utils\Strings as String;


/**
 * Macros for Nette\Application\UI.
 *
 * - @href automatically appends `data-current` attribute link is current
 *
 * @author     Mikuláš Dítě
 */
class FriendlyMacros extends MacroSet
{

	public static function install(Latte\Parser $parser, \Nette\Application\UI\Presenter $presenter = NULL)
	{
		$me = new static($parser);

		$me->addMacro('@href', function(MacroNode $node, $writer) use ($me, $presenter) {
			$link = String::replace($node->args, '~,.*$~');
			return '?> <?php echo $presenter->isLinkCurrent(\'' . $link . '\') ? \'data-current="data-current"\' : \'\'; ?> href="<?php ' . $me->macroLink($node, $writer) . ' ?>"<?php ';
		});
	}



	/**
	 * {link destination [,] [params]}
	 * {plink destination [,] [params]}
	 * n:href="destination [,] [params]"
	 */
	public function macroLink(MacroNode $node, $writer)
	{
		return $writer->write('echo %escape(' . ($node->name === 'plink' ? '$presenter' : '$control') . '->link(%node.word, %node.array?))');
	}

}