nice_menus.module in Nice Menus 8

Module to enable CSS dropdown and flyout menus.

Maintainer: Addison Berry (add1sun) Originally written by Jake Gordon (jakeg)

File

nice_menus.module

<?php

/**
 * @file
 * Module to enable CSS dropdown and flyout menus.
 *
 * Maintainer: Addison Berry (add1sun)
 * Originally written by Jake Gordon (jakeg)
 */
use Drupal\Core\Menu\MenuTreeParameters;

/**
 * Implements hook_help().
 */
function nice_menus_help($route_name) {
  switch ($route_name) {
    case 'help.page.nice_menus':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= t('Make drop down/flyout CSS menus for site and admin menus.');
      $output .= t('<p>This is a simple module that enables the site to have drop down/flyout CSS menus for site and admin navigation.</p><p>Remember to activate and configure the menu blocks in <a href=":block_layout">Block layout</a></p>', array(
        ':block_layout' => '/admin/structure/block',
      ));
      return $output;
  }
}

/**
 * Implements hook_theme().
 *
 * @param $existing
 * @param $type
 * @param $theme
 * @param $path
 *
 * @return array
 */
function nice_menus_theme($existing, $type, $theme, $path) {
  return array(
    'nice_menus' => array(
      'template' => 'nice_menus',
      'variables' => array(
        'menu_output' => NULL,
      ),
    ),
  );
}

/**
 * @param array $config
 *
 * @return mixed
 */
function nice_menus_build_tree(array $config) {
  $menu_tree = \Drupal::service('menu.link_tree');
  $parameters = new MenuTreeParameters();

  // Set the active trail.
  $active_trail = \Drupal::service('menu.active_trail')
    ->getActiveTrailIds($config['menu_name']);
  $parameters
    ->setActiveTrail($active_trail);

  // set menu root.
  if ($config['menu_mlid']) {
    $parameters
      ->setRoot($config['menu_mlid']);
  }

  // set menu depth.
  if ($config['nice_menus_depth'] > 0) {
    $parameters
      ->setMaxDepth($config['nice_menus_depth']);
  }

  // TODO support nice_menus_respect_expand.
  $parameters
    ->excludeRoot()
    ->onlyEnabledLinks();
  $tree = $menu_tree
    ->load($config['menu_name'], $parameters);
  $manipulators = array(
    array(
      'callable' => 'menu.default_tree_manipulators:checkAccess',
    ),
    array(
      'callable' => 'menu.default_tree_manipulators:generateIndexAndSort',
    ),
  );
  $tree = $menu_tree
    ->transform($tree, $manipulators);
  return $menu_tree
    ->build($tree);
}

Functions

Name	Description
nice_menus_build_tree
nice_menus_help	Implements hook_help().
nice_menus_theme	Implements hook_theme().