function toolbar_menu_navigation_links

Adds toolbar-specific attributes to the menu link tree.

Parameters

\Drupal\Core\Menu\MenuLinkTreeElement[] $tree: The menu link tree to manipulate.

Return value

\Drupal\Core\Menu\MenuLinkTreeElement[] The manipulated menu link tree.

File

core/modules/toolbar/toolbar.module, line 239

Code

function toolbar_menu_navigation_links(array $tree) {
    foreach ($tree as $element) {
        if ($element->subtree) {
            toolbar_menu_navigation_links($element->subtree);
        }
        // Make sure we have a path specific ID in place, so we can attach icons
        // and behaviors to the menu links.
        $link = $element->link;
        $url = $link->getUrlObject();
        if (!$url->isRouted()) {
            // This is an unusual case, so just get a distinct, safe string.
            $id = substr(Crypt::hashBase64($url->getUri()), 0, 16);
        }
        else {
            $id = str_replace([
                '.',
                '<',
                '>',
            ], [
                '-',
                '',
                '',
            ], $url->getRouteName());
        }
        // Get the non-localized title to make the icon class.
        $definition = $link->getPluginDefinition();
        $element->options['attributes']['id'] = 'toolbar-link-' . $id;
        $element->options['attributes']['class'][] = 'toolbar-icon';
        $element->options['attributes']['class'][] = 'toolbar-icon-' . strtolower(str_replace([
            '.',
            ' ',
            '_',
        ], [
            '-',
            '-',
            '-',
        ], $definition['id']));
        $element->options['attributes']['title'] = $link->getDescription();
    }
    return $tree;
}