More Swing components - An Introduction to Graphical User Interfaces with Java Swing - page 200

17.

private static String picturePath = "./its/TestData/";

18.
19.

public SplitPaneFrame()

20.

{

21.

this .setSize(800,400);

22.

JSplitPane splitPane1 = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);

23.

JSplitPane splitPane2 = new JSplitPane(JSplitPane.VERTICAL_SPLIT);

24.

splitPane1.setOneTouchExpandable( true );

25.

splitPane1.setDividerSize(20);

26.
27.

this .getContentPane().add(splitPane1,BorderLayout.CENTER);

28.

splitPane1.setRightComponent(splitPane2);

29.
30.

picture1 = new ImageIcon(picturePath+"/Orange.png");

31. picture2 = new ImageIcon(picturePath+"/Banana.png");

32.
33.

picLabel1 = new JLabel(picture1);

34. JScrollPane sp2a = new JScrollPane(picLabel1);

35. splitPane2.setTopComponent(sp2a);

36. picLabel2 = new JLabel(picture2);

37. JScrollPane sp2b = new JScrollPane(picLabel2);

38. splitPane2.setBottomComponent(sp2b);

39.

splitPane2.setDividerLocation(150);

40.

splitPane1.setDividerLocation(100);

41.
42.

File startFile = new File(picturePath);

43.

list = new JList(startFile.listFiles());

44.

JScrollPane sp = new JScrollPane(list);

45.

splitPane1.setLeftComponent(sp);

46.
47.

okButton = new JButton("OK");

48.

okButton.setBackground(Color.cyan);

49.

this .getContentPane().add(okButton,BorderLayout.SOUTH);

50.

okButton.addActionListener( new ActionListener()

51.

{

52.

public void actionPerformed(ActionEvent e)

53. {

54. String filename = ((File)(list.getSelectedValue())).getPath();

55. if ((filename.endsWith(".png")) || (filename.endsWith(".jpg")) ||

56. (filename.endsWith(".PNG")) || (filename.endsWith(".JPG")))

57. {

58. picLabel2.setIcon( new ImageIcon(filename));

59. }

60. }

61.

});

62.

}

63.