support for field form

  rdf_mapping_save(array(

    'type' => 'node',

    'bundle' => $form_state['values']['type'],

    'bundle' => $bundle,

    'mapping' => $mapping,

    )

  );

}

/**

 * Implements hook_form_FORM_ID_alter().

 */

function schemaorg_form_field_ui_field_edit_form_alter(&$form, &$form_state) {

  $field_name = $form['#field']['field_name'];

  $bundle = $form['instance']['bundle']['#value'];

  $instance = $form['instance'];

  $label = isset($instance['label']) ? $instance['label']['#default_value'] : $instance['field_name'];

  $entity_type = $instance['entity_type']['#value'];

  $mapping = rdf_mapping_load($entity_type, $instance['bundle']['#value']);

  $form['schemaorg'] = array(

    '#type' => 'fieldset',

    '#title' => t('%label schema.org mapping', array('%label' => $label)),

  );

  $form['schemaorg']['schemaorg_field_property'] = array(

    '#type' => 'textfield',

    '#title' => t('Property'),

    '#description' => t('Specify the property you want to associated to this field.'),

    '#default_value' => schemaorg_term_load('node', $bundle, $field_name),

    '#attributes' => array('class' => array('schemaorg-autocomplete-properties')),

  );

  $form['#submit'][] = 'schemaorg_field_ui_field_edit_form_submit';

  // Use jQuery UI autocomplete to provide a faster autocomplete without

  // callback to the server.

  $form['#attached']['library'][] = array('system', 'ui.autocomplete');

  $form['#attached']['css'][] = drupal_get_path('module', 'schemaorg') . '/css/schemaorg.jquery.ui.theme.css';

  $form['#attached']['js'][] = drupal_get_path('module', 'schemaorg') . '/js/schemaorg.js';

  $form['#attached']['js'][] =  array(

        'data' => array('schemaorgapiTermsPath' => base_path() . drupal_get_path('module', 'schemaorg') . '/js/schemaorg.terms.json'),

        'type' => 'setting'

  );

}

/**

 * Submit function for edit field form.

 */

function schemaorg_field_ui_field_edit_form_submit($form, &$form_state) {

  $bundle = $form['instance']['bundle']['#value'];

  $field_name = $form['#field']['field_name'];

  $mapping = rdf_mapping_load('node', $bundle);

  $mapping[$field_name]['predicates'] = schemaorg_terms_merge($form_state['values']['schemaorg_field_property'], $mapping[$field_name]['predicates']);

  rdf_mapping_save(array(

    'type' => 'node',

    'bundle' => $bundle,

    'mapping' => $mapping,

    )

  );