function field_ui_field_delete_form_submit

Form submission handler for field_ui_field_delete_form().

Removes a field instance from a bundle. If the field has no more instances, it will be marked as deleted too.

File

core/modules/field_ui/field_ui.admin.inc, line 1828

Admin page callbacks for the Field UI module.

Code

function field_ui_field_delete_form_submit($form, &$form_state) {
  $form_values = $form_state['values'];
  $field_name = $form_values['field_name'];
  $bundle = $form_values['bundle'];
  $entity_type = $form_values['entity_type'];

  $field = field_info_field($field_name);
  $instance = field_info_instance($entity_type, $field_name, $bundle);
  $bundles = field_info_bundles();
  $bundle_label = $bundles[$entity_type][$bundle]['label'];

  if (!empty($bundle) && $field && !$field['locked'] && $form_values['confirm']) {
    field_delete_instance($instance);
    backdrop_set_message(t('The field %field has been deleted from the %type content type.', array('%field' => $instance['label'], '%type' => $bundle_label)));
  }
  else {
    backdrop_set_message(t('There was a problem removing the field %field from the %type content type.', array('%field' => $instance['label'], '%type' => $bundle_label)), 'error');
  }

  $admin_path = _field_ui_bundle_admin_path($entity_type, $bundle);
  $form_state['redirect'] = field_ui_get_destinations(array($admin_path . '/fields'));

  // Fields are purged on cron. However field module prevents disabling modules
  // when field types they provided are used in a field until it is fully
  // purged. In the case that a field has minimal or no content, a single call
  // to field_purge_batch() will remove it from the system.
  $limit = config_get('system.core', 'field_purge_batch_size');
  field_purge_batch($limit);

  // Call purge again to actually delete the instance if no data remains.
  field_purge_batch(0);
}