Java 类org.eclipse.gef.handles.SquareHandle 实例源码

@Override
protected List createSelectionHandles() {
    List result = super.createSelectionHandles();
    SquareHandle squareHandle = new PreferredSizeSquareHandle(getHost());
    squareHandle.setToolTip(new Label("set preferred size"));
    result.add(squareHandle);
    return result;
}