function i18n_menu_form_menu_edit_item_alter in Internationalization 7

Implements hook_form_FORM_ID_alter().

Add a language selector to the menu_edit_item form and register a submit callback to process items.

File

i18n_menu/i18n_menu.module, line 665

Internationalization (i18n) submodule: Menu translation.

Code

function i18n_menu_form_menu_edit_item_alter(&$form, &$form_state) {
  $item =& $form['original_item']['#value'];
  $item['language'] = i18n_menu_item_get_language($item);

  // Check whether this item belongs to a node object and it is a supported type.
  $node_item = ($node = i18n_menu_item_get_node($item)) && i18n_menu_node_supported_type($node->type);
  if (!$node_item && i18n_menu_mode($item['menu_name'], I18N_MODE_TRANSLATE)) {

    //$form['i18n'] = array('#type' => 'fieldset');
    $form['i18n']['language'] = array(
      '#description' => t('This item belongs to a multilingual menu. You can set a language for it.'),
    ) + i18n_element_language_select($item);

    // If the term to be added will be a translation of a source term,
    // set the default value of the option list to the target language and
    // create a form element for storing the translation set of the source term.
    if (isset($_GET['translation']) && isset($_GET['target']) && ($source_item = menu_link_load($_GET['translation']))) {
      if (!empty($source_item['i18n_tsid'])) {
        $translation_set = i18n_translation_set_load($source_item['i18n_tsid']);
      }
      else {

        // Create object and stick the source information in the translation set.
        $translation_set = i18n_translation_set_build('menu_link')
          ->add_item($source_item);
      }
      $form['link_path']['#default_value'] = $source_item['link_path'];

      // Maybe we should disable the 'link_path' and 'parent' form elements?
      // $form['link_path']['#disabled'] = TRUE;
      // $form['parent']['#disabled'] = TRUE;
      $form['i18n']['language']['#default_value'] = $_GET['target'];
      $form['i18n']['language']['#disabled'] = TRUE;
      drupal_set_title(t('%language translation of menu item %title', array(
        '%language' => locale_language_name($_GET['target']),
        '%title' => $source_item['link_title'],
      )), PASS_THROUGH);
    }
    elseif (!empty($item['i18n_tsid'])) {
      $translation_set = i18n_translation_set_load($item['i18n_tsid']);
    }

    // Add the translation set to the form so we know the new menu item
    // needs to be added to that set.
    if (!empty($translation_set)) {
      $form['translation_set'] = array(
        '#type' => 'value',
        '#value' => $translation_set,
      );

      // If the current term is part of a translation set,
      // remove all other languages of the option list.
      if ($translations = $translation_set
        ->get_translations()) {
        unset($form['i18n']['language']['#options'][LANGUAGE_NONE]);
        foreach ($translations as $langcode => $translation) {
          if ($translation['mlid'] !== $item['mlid']) {
            unset($form['i18n']['language']['#options'][$langcode]);
          }
        }
      }
    }
  }
  else {
    $form['language'] = array(
      '#type' => 'value',
      '#value' => $item['language'],
    );
  }
  if ($node_item && i18n_langcode($item['language'])) {
    $form['i18n']['message'] = array(
      '#type' => 'item',
      '#title' => t('Language'),
      '#markup' => i18n_language_name($item['language']),
      '#description' => t('This menu item belongs to a node, so it will have the same language as the node and cannot be localized.'),
    );
  }
  array_unshift($form['#validate'], 'i18n_menu_menu_item_prepare_normal_path');
}