public static function SelectionBase::settingsForm

Implements SelectionInterface::settingsForm().

Overrides SelectionInterface::settingsForm

File

drupal/core/modules/entity_reference/lib/Drupal/entity_reference/Plugin/entity_reference/selection/SelectionBase.php, line 65

Contains \Drupal\entity_reference\Plugin\entity_reference\selection\SelectionBase.

Class

SelectionBase

Plugin implementation of the 'selection' entity_reference.

Namespace

Code

public static function settingsForm(&$field, &$instance) {
  $entity_info = entity_get_info($field['settings']['target_type']);
  $bundles = entity_get_bundles($field['settings']['target_type']);

  // Merge-in default values.
  if (!isset($instance['settings']['handler_settings'])) {
    $instance['settings']['handler_settings'] = array();
  }
  $instance['settings']['handler_settings'] += array(
    'target_bundles' => array(),
    'sort' => array(
      'field' => '_none',
    ),
    'auto_create' => FALSE,
  );
  if (!empty($entity_info['entity_keys']['bundle'])) {
    $bundle_options = array();
    foreach ($bundles as $bundle_name => $bundle_info) {
      $bundle_options[$bundle_name] = $bundle_info['label'];
    }
    $target_bundles_title = t('Bundles');

    // Default core entity types with sensible labels.
    if ($field['settings']['target_type'] == 'node') {
      $target_bundles_title = t('Content types');
    }
    elseif ($field['settings']['target_type'] == 'taxonomy_term') {
      $target_bundles_title = t('Vocabularies');
    }
    $form['target_bundles'] = array(
      '#type' => 'checkboxes',
      '#title' => $target_bundles_title,
      '#options' => $bundle_options,
      '#default_value' => !empty($instance['settings']['handler_settings']['target_bundles']) ? $instance['settings']['handler_settings']['target_bundles'] : array(),
      '#required' => TRUE,
      '#size' => 6,
      '#multiple' => TRUE,
      '#element_validate' => array(
        '_entity_reference_element_validate_filter',
      ),
    );
  }
  else {
    $form['target_bundles'] = array(
      '#type' => 'value',
      '#value' => array(),
    );
  }

  // @todo Use Entity::getPropertyDefinitions() when all entity types are
  // converted to the new Field API.
  $fields = drupal_map_assoc(drupal_schema_fields_sql($entity_info['base_table']));
  foreach (field_info_instances($field['settings']['target_type']) as $bundle_instances) {
    foreach ($bundle_instances as $instance_name => $instance_info) {
      $field_info = field_info_field($instance_name);
      foreach ($field_info['columns'] as $column_name => $column_info) {
        $fields[$instance_name . '.' . $column_name] = t('@label (@column)', array(
          '@label' => $instance_info['label'],
          '@column' => $column_name,
        ));
      }
    }
  }
  $form['sort']['field'] = array(
    '#type' => 'select',
    '#title' => t('Sort by'),
    '#options' => array(
      '_none' => t('- None -'),
    ) + $fields,
    '#ajax' => TRUE,
    '#limit_validation_errors' => array(),
    '#default_value' => $instance['settings']['handler_settings']['sort']['field'],
  );
  $form['sort']['settings'] = array(
    '#type' => 'container',
    '#attributes' => array(
      'class' => array(
        'entity_reference-settings',
      ),
    ),
    '#process' => array(
      '_entity_reference_form_process_merge_parent',
    ),
  );
  if ($instance['settings']['handler_settings']['sort']['field'] != '_none') {

    // Merge-in default values.
    $instance['settings']['handler_settings']['sort'] += array(
      'direction' => 'ASC',
    );
    $form['sort']['settings']['direction'] = array(
      '#type' => 'select',
      '#title' => t('Sort direction'),
      '#required' => TRUE,
      '#options' => array(
        'ASC' => t('Ascending'),
        'DESC' => t('Descending'),
      ),
      '#default_value' => $instance['settings']['handler_settings']['sort']['direction'],
    );
  }
  return $form;
}