function cer_field_delete_instance in Corresponding Entity References 7.3

Same name and namespace in other branches

1. 7.2 cer.module \cer_field_delete_instance()

Implements hook_field_delete_instance().

File

./cer.module, line 81

Code

function cer_field_delete_instance($instance) {
  if (!is_array($instance)) {
    return;
  }

  // Delete every CER preset which refers to the deleted field instance.
  $filter = $instance['entity_type'] . ':' . $instance['bundle'] . ':' . $instance['field_name'];
  $baseQuery = new EntityFieldQuery();
  $baseQuery
    ->entityCondition('entity_type', 'cer');
  $baseQuery
    ->fieldCondition('cer_enabled', 'value', TRUE);
  $query = clone $baseQuery;
  $query
    ->fieldCondition('cer_left', 'path', $filter, 'CONTAINS');
  $result = $query
    ->execute();
  if (isset($result['cer'])) {
    foreach (entity_load('cer', array_keys($result['cer'])) as $preset) {
      $preset
        ->delete();
    }
  }
  $query = clone $baseQuery;
  $query
    ->fieldCondition('cer_right', 'path', $filter, 'CONTAINS');
  $result = $query
    ->execute();
  if (isset($result['cer'])) {
    foreach (entity_load('cer', array_keys($result['cer'])) as $preset) {
      $preset
        ->delete();
    }
  }
}