/**
* List pages and children
*
* @param $pages Array of Page
* @param $options Array of options (options available: ul, li, level, liCallback)
* @return string Html list of pages
*/
function listPagesAndChildren(array $pages, array $options, $level = 9)
{
$ul = isset($options['ul']) ? $options['ul'] : '';
$li = isset($options['li']) ? $options['li'] : '';
$liCallback = isset($options['liCallback']) ? $options['liCallback'] : null;
$level = isset($options['level']) ? $options['level'] : 9;
if ($level > 0) {
$str = '<ul ' . $ul . '>' . PHP_EOL;
foreach ($pages as $page) {
$anch = $page->title;
if ($liCallback !== null) {
$anch = $liCallback($page);
}
$str .= '<li ' . $li . '>' . $anch;
if ($page->getChildren()) {
--$options['level'];
$str .= listPagesAndChildren($page->getChildren(), $options);
++$options['level'];
}
$str .= '</li>' . PHP_EOL;
}
return $str . '</ul>' . PHP_EOL;
}
return '';
}
if ($c['themes']->has($themeName = $c['config']->get('theme'))) {
return $c['themes']->read($themeName);
} else {
throw new Exception('Theme `' . $themeName . '` does not exists');
}
};
$app['view'] = function (Container $c) {
$theme = $c['theme'];
$config = $c['config'];
// Create new Plates instance to render theme files
$path = $theme->getPath();
$view = new League\Plates\Engine($path, $theme->getExtension());
// Helper function
// List pages
$view->registerFunction('listPages', function ($pages, $options) {
return listPagesAndChildren(listPagesRoot($pages), $options);
});
// System date format
$view->registerFunction('dateFormat', function (DateTime $date) use($config) {
return $date->format($config->get('dateFormat'));
});
// System date format
$view->registerFunction('pageDateFormat', function (Parvula\Models\Page $page) use($config) {
return $page->getDateTime()->format($config->get('dateFormat'));
});
// Excerpt strings
$view->registerFunction('excerpt', function ($text, $length = 275) {
$text = strip_tags($text);
$excerpt = substr($text, 0, $length);
if ($excerpt !== $text) {
$lastDot = strrpos($excerpt, '. ');