public function PowerMenuTaxonomyHandler::menuFormAlter in Power Menu 7.2

Overrides PowerMenuHandlerInterface::menuFormAlter

See also

PowerMenuHandlerInterface::menuFormAlter()

File

plugins/menu_handlers/PowerMenuTaxonomyHandler.class.php, line 123

Class

PowerMenuTaxonomyHandler

Implementation of the interface PowerMenuHandlerInterface.

Code

public function menuFormAlter(&$menu_item_form, &$form_state) {
  $form = array();
  $vocabulary = variable_get('power_menu_taxonomy_vocabulary', array(
    'vid' => NULL,
    'machine_name' => NULL,
  ));
  if ($vocabulary['vid'] !== NULL) {
    $vocabulary = taxonomy_vocabulary_load($vocabulary['vid']);
    $vocabulary_name = $vocabulary->name;
    $terms = taxonomy_get_tree($vocabulary->vid);
    $mlid = arg(4);
    $used_terms = variable_get('power_menu_taxonomy_terms', array());

    // Get only the used terms for this mlid
    foreach ($used_terms as $key => $value) {
      if ($mlid != $value) {
        unset($used_terms[$key]);
      }
    }

    // Only the key is needed for #default_value
    $used_terms = array_keys($used_terms);

    // Create the hierarchy and make sure that we mark the ones that are not selectable, because they already belong to an other menu item
    if ($terms) {
      foreach ($terms as $term) {
        $choice = new stdClass();
        $choice->option = array(
          $term->tid => str_repeat('-', $term->depth) . ' ' . $term->name,
        );
        $options[] = $choice;
      }
    }
    $form['power_menu_taxonomy_create'] = array(
      '#type' => 'checkbox',
      '#title' => t('Create Taxonomy term'),
      '#default_value' => $menu_item_form['mlid']['#value'] == 0 && variable_get('power_menu_taxonomy_default_enable_create_term', TRUE) ? TRUE : FALSE,
      '#description' => t('The name of the taxonomy term is going to be the title of the menu link. When it\'s possible, the same hierarchy as the menu-item is used.', array(
        '%vocabulary' => $vocabulary_name,
      )),
    );
    $form['power_menu_taxonomy_terms'] = array(
      '#type' => 'select',
      '#title' => t('Link to existing term'),
      '#multiple' => TRUE,
      '#options' => $options,
      '#default_value' => $used_terms,
      '#description' => t('Choose a taxonomy term. When displaying a node that has the selected taxonomy term, this menu item will set to active. A term can only belong to one menu item and is a term not selectable it is already asigned to other menu items.'),
      '#post_render' => array(
        'power_menu_taxonomy_terms_post_render',
      ),
    );
  }
  else {
    $form['power_menu_taxonomy'] = array(
      '#markup' => t('No menu vocabulary selected. !config_page', array(
        '!config_page' => l(t('Go to the plugin configuration page.'), 'admin/config/search/power_menu/handler/edit/taxonomy'),
      )),
    );
  }
  return $form;
}