JMapController.java 文件源码

public JMapController(JMapViewer map) {
    this.map = map;
    if (this instanceof MouseListener)
        map.addMouseListener((MouseListener) this);
    if (this instanceof MouseWheelListener)
        map.addMouseWheelListener((MouseWheelListener) this);
    if (this instanceof MouseMotionListener)
        map.addMouseMotionListener((MouseMotionListener) this);
}