* @return
*/
private UndoableMapCommand createMoveCommand( EditToolHandler handler ) {
UndoableComposite command = new UndoableComposite();
command.getCommands().add(
new MoveVertexCommand(lastPoint, this.selection, handler, start,
EditState.MODIFYING, isSnappingValid()));
command.getFinalizerCommands().add(
new SetEditStateCommand(handler, EditState.MODIFYING));
return command;
}