Interactive graphics - An Introduction to Graphical User Interfaces with Java Swing - page 72

7. public class MyMouseListener implements MouseListener
8. {
9. private StatusPanel statusPane;
10. private InteractivePanel interactivePane;
11.
12.

public MyMouseListener(StatusPanel s,InteractivePanel i)

13.

{

14.

statusPane = s;

15.

interactivePane = i;

16.

}

17.
18. public void mouseEntered(MouseEvent e)

19.

{

20.

statusPane.setInOut("yes");

21. }

22.
23. public void mouseExited(MouseEvent e)

24. {

25. statusPane.setInOut("no");

26. statusPane.setCoordinates(-1,-1);

27. }

28.
29. public void mouseClicked(MouseEvent e)

30.

{

31.

statusPane.incrementClickCount();

32.

if (SwingUtilities.isLeftMouseButton(e)) // left mouse button

33.

{

34.

interactivePane.addCircle(e.getX(),e.getY());

35.

}

36.

else // any other mouse button

37.

{

38.

interactivePane.removeNearestCircle(e.getX(),e.getY());

39.

}

40.

statusPane.setNoOfCircles(interactivePane.getNoOfCircles());

41.

}

42.
43.

public void mousePressed(MouseEvent e)

44. {

45. // implemented with empty body

46. }

47.
48.

public void mouseReleased(MouseEvent e)

49. {

50. // implemented with empty body

51. }

52. }