function inline_entity_form_autocomplete in Inline Entity Form 7

Returns output for inline entity form autocompletes.

Supports commerce_product_reference and entityreference fields.

1 string reference to 'inline_entity_form_autocomplete'

inline_entity_form_menu in ./inline_entity_form.module

Implements hook_menu().

File

./inline_entity_form.module, line 41

Provides a widget for inline management (creation, modification, removal) of referenced entities. The primary use case is the parent -> children one (for example, order -> line items), where the child entities are never managed outside the…

Code

function inline_entity_form_autocomplete($entity_type, $field_name, $bundle, $string = '') {
  $field = field_info_field($field_name);
  $instance = field_info_instance($entity_type, $field_name, $bundle);
  $settings = inline_entity_form_settings($field, $instance);
  $controller = inline_entity_form_get_controller($instance);

  // The current entity type is not supported, or the string is empty.
  // strlen() is used instead of empty() since '0' is a valid value.
  if (!$field || !$instance || !$controller || !strlen($string)) {
    return MENU_ACCESS_DENIED;
  }
  $results = array();
  if ($field['type'] == 'commerce_product_reference') {
    $match_operator = strtolower($controller
      ->getSetting('match_operator'));
    $products = commerce_product_match_products($field, $instance, $string, $match_operator, array(), 10, TRUE);

    // Loop through the products and convert them into autocomplete output.
    foreach ($products as $product_id => $data) {
      $results[] = t('@label (!entity_id)', array(
        '@label' => $data['title'],
        '!entity_id' => $product_id,
      ));
    }
  }
  elseif ($field['type'] == 'entityreference') {
    $handler = entityreference_get_selection_handler($field, $instance, $settings['entity_type']);
    $entity_labels = $handler
      ->getReferencableEntities($string, $controller
      ->getSetting('match_operator'), 10);
    foreach ($entity_labels as $bundle => $labels) {

      // Loop through each entity type, and autocomplete with its titles.
      foreach ($labels as $entity_id => $label) {

        // entityreference has already check_plain-ed the title.
        $results[] = t('!label (!entity_id)', array(
          '!label' => $label,
          '!entity_id' => $entity_id,
        ));
      }
    }
  }
  $matches = array();
  foreach ($results as $result) {

    // Strip things like starting/trailing white spaces, line breaks and tags.
    $key = preg_replace('/\\s\\s+/', ' ', str_replace("\n", '', trim(decode_entities(strip_tags($result)))));
    $matches[$key] = '<div class="reference-autocomplete">' . $result . '</div>';
  }
  drupal_json_output($matches);
}