class FileField

class FileField extends CckFieldPluginBase {
    
    /**
     * {@inheritdoc}
     */
    public function getFieldWidgetMap() {
        return [
            'filefield_widget' => 'file_generic',
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    public function getFieldFormatterMap() {
        return [
            'default' => 'file_default',
            'url_plain' => 'file_url_plain',
            'path_plain' => 'file_url_plain',
            'image_plain' => 'image',
            'image_nodelink' => 'image',
            'image_imagelink' => 'image',
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    public function processCckFieldValues(MigrationInterface $migration, $field_name, $data) {
        $process = [
            'plugin' => 'sub_process',
            'source' => $field_name,
            'process' => [
                'target_id' => 'fid',
                'display' => 'display',
                'description' => 'description',
            ],
        ];
        $migration->mergeProcessOfProperty($field_name, $process);
    }
    
    /**
     * {@inheritdoc}
     */
    public function getFieldType(Row $row) {
        return $row->getSourceProperty('widget_type') == 'imagefield_widget' ? 'image' : 'file';
    }

}