function _noderelationships_cck_admin_forms_alter in Node Relationships 6

Alter CCK administration forms.

See also

noderelationships_form_alter()

1 call to _noderelationships_cck_admin_forms_alter()

noderelationships_form_alter in ./noderelationships.module

Implementation of hook_form_alter().

File

./noderelationships.admin.inc, line 791

Implementation of the administration pages of the module.

Code

function _noderelationships_cck_admin_forms_alter(&$form, $form_state, $form_id) {

  // Alter CCK fields overview form (Manage fields screen).
  if ($form_id == 'content_field_overview_form') {
    if (isset($form['_add_new_field']) && isset($form['_add_new_field']['type']) && isset($form['_add_new_field']['type']['#options'])) {

      // Hide back reference fields from the "Add new field" selector to
      // prevent users from creating Back reference fields manually.
      // We will create these kind of fields from the back reference settings
      // page provided by node relationships module itself.
      if (isset($form['_add_new_field']['type']['#options']['noderelationships_backref'])) {
        unset($form['_add_new_field']['type']['#options']['noderelationships_backref']);
      }
    }
    if (isset($form['_add_existing_field']) && isset($form['_add_existing_field']['field_name']) && isset($form['_add_existing_field']['field_name']['#options'])) {

      // Hide back reference fields from the "Add existing field" selector to
      // prevent the field from being shared. We don't want per field tables.
      foreach (content_fields() as $field) {
        if ($field['type'] == 'noderelationships_backref' && isset($form['_add_existing_field']['field_name']['#options'][$field['field_name']])) {
          unset($form['_add_existing_field']['field_name']['#options'][$field['field_name']]);
        }
      }
    }

    // The above changes to the form are mostly related to usability, where we
    // simply hide options users are not allowed to use, but we need to check
    // this properly. So we now add a validate callback so that we can prevent
    // users from creating back reference fields manually.
    $form['#validate'][] = '_noderelationships_content_field_overview_form_validate';
  }
  elseif ($form_id == 'content_field_edit_form' && isset($form['#field']) && isset($form['#field']['type'])) {

    // Node reference field settings.
    if ($form['#field']['type'] == 'nodereference') {

      // Add a submit callback so that we can get rid of information about back
      // references that are no longer enabled.
      $form['#submit'][] = '_noderelationships_nodereference_settings_form_submit';
      return;
    }
    elseif ($form['#field']['type'] == 'noderelationships_backref') {
      unset($form['basic']);
      $form['field']['required']['#access'] = FALSE;
      $form['field']['multiple']['#access'] = FALSE;
      $form['widget']['description']['#access'] = FALSE;
      unset($form['widget']['default_value_fieldset']);
      $field = $form['#field'];
      $type = noderelationships_get_localized_content_type($form['type_name']['#value']);
      $type_url_str = str_replace('_', '-', $form['type_name']['#value']);
      $form['widget']['#title'] = t('Back reference field settings');
      $form['widget']['#description'] = t('Back reference fields for the %type content type are created automatically from the settings specified in the <a href="@backref-settings">back reference settings panel</a> for the %type content type.', array(
        '@backref-settings' => url('admin/content/node-type/' . $type_url_str . '/relationships/backref'),
        '%type' => $type->name,
      ));
      $form['widget']['label'] = array(
        '#type' => 'textfield',
        '#title' => t('Label'),
        '#default_value' => $field['widget']['label'],
        '#required' => TRUE,
        '#description' => t('A human-readable name to be used as the label for the back references view displayed for this field in the %type content type.', array(
          '%type' => $type->name,
        )),
      );
      $form['field']['#title'] = t('Referrer information');
      $form['field']['#description'] = t('This section provides information about the node reference field that generates back references to the %type content type.', array(
        '%type' => $type->name,
      ));
      $form['field']['referrer_type'] = array(
        '#type' => 'textfield',
        '#title' => t('Referrer type'),
        '#value' => $field['referrer_type'],
        '#disabled' => TRUE,
      );
      $form['field']['referrer_field'] = array(
        '#type' => 'textfield',
        '#title' => t('Referrer field'),
        '#value' => $field['referrer_field'],
        '#disabled' => TRUE,
      );
      $form['#validate'][] = '_noderelationships_backreference_settings_form_validate';
    }
  }
}