public static boolean viewerIsEditor(String type) {
        Object viewer = s_viewers.get(type);
        if (viewer != null) {
            return viewer instanceof ContentEditor;
        } else {
            return false;
        }
    }
public static boolean viewerIsEditor ( String type ) { Object viewer = s_viewers . get ( type ) ; if ( viewer != null ) { return viewer instanceof ContentEditor ; } else { return false ; } }
If a viewer would be provided for the given type, is that viewer also an
editor?