function dynamic_entity_reference_field_widget_form in Dynamic Entity Reference 7

Implements hook_field_widget_form().

File

./dynamic_entity_reference.field.inc, line 95

Contains field hooks.

Code

function dynamic_entity_reference_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
  switch ($instance['widget']['type']) {
    case 'dynamic_entity_reference_default':
      $entity = $element['#entity'];
      $item = isset($items[$delta]) ? $items[$delta] : NULL;
      if ($item) {
        $entities = entity_load($item['target_type'], array(
          $item['target_id'],
        ));
        if (!empty($entities)) {
          $item['entity'] = entity_metadata_wrapper($item['target_type'], reset($entities));
        }
        else {

          // Entity removed.
          $item = NULL;
          unset($items[$delta]);
        }
      }
      global $user;
      $element += array(
        '#type' => 'textfield',
        '#maxlength' => 1024,
        '#default_value' => $item ? $item['entity']
          ->label() . ' (' . $item['entity']
          ->getIdentifier() . ')' : '',
        '#autocomplete_path' => 'dynamic_entity_reference/autocomplete',
        '#element_validate' => array(
          'dynamic_entity_reference_field_widget_form_validate',
        ),
        '#autocreate_uid' => isset($entity->uid) ? $entity->uid : $user->uid,
        '#field_name' => $element['#field_name'],
      );
      $element['#title'] = t('Label');

      // Select the target entity type.
      $options = array();
      foreach (entity_get_info() as $entity_type => $entity_info) {
        $options[$entity_type] = $entity_info['label'];
      }
      $entity_type_ids = $field['settings']['entity_type_ids'];
      if ($field['settings']['exclude_entity_types']) {
        $available = array_diff_key($options, $entity_type_ids ?: array());
      }
      else {
        $available = array_intersect_key($options, $entity_type_ids ?: array());
      }
      $keys = array_keys($options);
      $entity_type = array(
        '#type' => 'select',
        '#options' => $available,
        '#title' => t('Entity type'),
        '#default_value' => $item ? $item['target_type'] : reset($keys),
        '#weight' => -50,
        '#attributes' => array(
          'class' => array(
            'dynamic-entity-reference-entity-type',
          ),
        ),
      );
      return array(
        '#type' => 'container',
        '#attributes' => array(
          'class' => array(
            'container-inline',
          ),
        ),
        'target_type' => $entity_type,
        'target_id' => $element,
        '#attached' => array(
          'js' => array(
            drupal_get_path('module', 'dynamic_entity_reference') . '/js/dynamic-entity-reference-widget.js' => array(
              // This has to run after default autocomplete.
              'weight' => 1000,
              'scope' => 'footer',
            ),
          ),
        ),
      );
      break;
  }
  return array();
}