menu_form_alter

• Drupal 4.7
• Drupal 5
• Drupal 6
• Drupal 7

Versions

4.7 – 5

menu_form_alter($form_id, &$form)

6 – 7

menu_form_alter(&$form, $form_state, $form_id)

Implement hook_form_alter(). Adds menu item fields to the node form.

Code

modules/menu/menu.module, line 562

<?php
function menu_form_alter(&$form, $form_state, $form_id) {
  if (!empty($form['#node_edit_form'])) {
    // Generate a list of possible parents.
    // @todo This must be handled in a #process handler.
    $type = $form['#node']->type;
    $options = menu_parent_options(menu_get_menus(), $type);
    // If no possible parent menu items were found, there is nothing to display.
    if (empty($options)) {
      return;
    }
    $link = $form['#node']->menu;
    $form['#submit'][] = 'menu_node_form_submit';

    $form['menu'] = array(
      '#type' => 'fieldset',
      '#title' => t('Menu settings'),
      '#access' => user_access('administer menu'),
      '#collapsible' => TRUE,
      '#collapsed' => !$link['link_title'],
      '#group' => 'additional_settings',
      '#attached' => array(
        'js' => array(drupal_get_path('module', 'menu') . '/menu.js'),
      ),
      '#tree' => TRUE,
      '#weight' => -2,
      '#attributes' => array('class' => array('menu-link-form')),
    );
    $form['menu']['enabled'] = array(
      '#type' => 'checkbox',
      '#title' => t('Provide a menu link'),
      '#default_value' => (int) (bool) $link['mlid'],
    );
    $form['menu']['link'] = array(
      '#type' => 'container',
      '#parents' => array('menu'),
      '#states' => array(
        'invisible' => array(
          'input[name="menu[enabled]"]' => array('checked' => FALSE),
        ),
      ),
    );

    // Populate the element with the link data.
    foreach (array('mlid', 'module', 'hidden', 'has_children', 'customized', 'options', 'expanded', 'hidden', 'parent_depth_limit') as $key) {
      $form['menu']['link'][$key] = array('#type' => 'value', '#value' => $link[$key]);
    }

    $form['menu']['link']['link_title'] = array(
      '#type' => 'textfield',
      '#title' => t('Menu link title'),
      '#default_value' => $link['link_title'],
    );

    $default = ($link['mlid'] ? $link['menu_name'] . ':' . $link['plid'] : variable_get('menu_parent_' . $type, 'main-menu:0'));
    // @todo This will fail with the new selective menus per content type.
    if (!isset($options[$default])) {
      $default = 'navigation:0';
    }
    $form['menu']['link']['parent'] = array(
      '#type' => 'select',
      '#title' => t('Parent item'),
      '#default_value' => $default,
      '#options' => $options,
      '#attributes' => array('class' => array('menu-parent-select')),
    );
    $form['menu']['link']['weight'] = array(
      '#type' => 'weight',
      '#title' => t('Weight'),
      '#delta' => 50,
      '#default_value' => $link['weight'],
      '#description' => t('Menu links with smaller weights are displayed before links with larger weights.'),
    );
  }
}
?>

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