function farm_theme_preprocess_menu_tree in farmOS 7

Implements hook_preprocess_menu_tree().

File

themes/farm_theme/template.php, line 42

Farm theme template.php.

Code

function farm_theme_preprocess_menu_tree(&$variables) {

  /**
   * This code will generate a list of places in the farm dropdown menus where
   * a Bootstrap divider item should be inserted. This is done based on the
   * weights of the menu items. Dividers will be added after all items with a
   * weight < 0, and before items with a weight >= 100.
   */

  // Only do this for the primary menu.
  if ($variables['theme_hook_original'] != 'menu_tree__primary') {
    return;
  }

  // Start an empty array to store menu divider information.
  $dividers = array();

  // Iterate through the top level menu items.
  $menu = $variables['#tree'];
  foreach (element_children($menu) as $child) {

    // Define the menu items we care about.
    $menus = array(
      'farm/assets' => 'assets',
      'farm/logs' => 'logs',
      'farm/plans' => 'plans',
    );

    // If we don't care about this menu item, skip it.
    if (!array_key_exists($menu[$child]['#href'], $menus)) {
      continue;
    }

    // Get the menu class.
    $menu_class = $menus[$menu[$child]['#href']];

    // Iterate through child items.
    $items = $menu[$child]['#below'];
    $menu_counter = 0;
    foreach (element_children($items) as $mlid) {

      // If the original link has a weight < 0, remember it.
      if ($items[$mlid]['#original_link']['weight'] < 0) {
        $dividers[$menu_class][0] = $menu_counter;
      }
      elseif ($items[$mlid]['#original_link']['weight'] >= 100 && !isset($dividers[$menu_class][100])) {
        $dividers[$menu_class][100] = $menu_counter;
      }

      // Keep count of which item we're on.
      $menu_counter++;
    }
  }

  // If divider information was generated, add Javascript.
  if (!empty($dividers)) {
    drupal_add_js(array(
      'farm_theme' => array(
        'menu_dividers' => $dividers,
      ),
    ), 'setting');
    drupal_add_js(drupal_get_path('theme', 'farm_theme') . '/js/menu.js');
  }
}