function ViewMode::initializeIterator

Overrides SqlBase::initializeIterator

File

core/modules/node/src/Plugin/migrate/source/d6/ViewMode.php, line 18

Class

ViewMode

The view mode source.

Namespace

Code

protected function initializeIterator() {
    $rows = [];
    $result = $this->prepareQuery()
        ->execute();
    while ($field_row = $result->fetchAssoc()) {
        $field_row['display_settings'] = unserialize($field_row['display_settings']);
        foreach ($this->getViewModes() as $view_mode) {
            // Append to the return value if the row has display settings for this
            // view mode and the view mode is neither hidden nor excluded.
            // @see \Drupal\field\Plugin\migrate\source\d6\FieldInstancePerViewMode::initializeIterator()
            if (isset($field_row['display_settings'][$view_mode]) && $field_row['display_settings'][$view_mode]['format'] != 'hidden' && empty($field_row['display_settings'][$view_mode]['exclude'])) {
                if (!isset($rows[$view_mode])) {
                    $rows[$view_mode]['entity_type'] = 'node';
                    $rows[$view_mode]['view_mode'] = $view_mode;
                }
            }
        }
    }
    return new \ArrayIterator($rows);
}