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7027676: /applets/CardTest demo needs to be improved

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Reviewed-by: rupashka
This commit is contained in:
Alexander Kouznetsov 2011-03-24 17:45:37 +01:00
parent 0dc83b2158
commit 7ba94229db
1 changed files with 37 additions and 16 deletions
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53
jdk/src/share/demo/applets/CardTest/CardTest.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -29,14 +29,27 @@
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
*/
import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.CardLayout;
import java.awt.Choice;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.LayoutManager;
import java.awt.Panel;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
@SuppressWarnings("serial")
final class CardPanel extends Panel {
class CardPanel extends Panel {
ActionListener listener;
Panel create(LayoutManager layout) {
@ -83,16 +96,21 @@ class CardPanel extends Panel {
add("six", create(new GridLayout(2, 2, 10, 10)));
}
@Override
public Dimension getPreferredSize() {
return new Dimension(200, 100);
}
}
@SuppressWarnings("serial")
public class CardTest extends Applet
implements ActionListener,
ItemListener {
implements ActionListener,
ItemListener {
CardPanel cards;
@SuppressWarnings("LeakingThisInConstructor")
public CardTest() {
setLayout(new BorderLayout());
add("Center", cards = new CardPanel(this));
@ -127,24 +145,26 @@ public class CardTest extends Applet
p.add(c);
}
@Override
public void itemStateChanged(ItemEvent e) {
((CardLayout)cards.getLayout()).show(cards,
(String)(e.getItem()));
((CardLayout) cards.getLayout()).show(cards,
(String) (e.getItem()));
}
@Override
public void actionPerformed(ActionEvent e) {
String arg = e.getActionCommand();
if ("first".equals(arg)) {
((CardLayout)cards.getLayout()).first(cards);
((CardLayout) cards.getLayout()).first(cards);
} else if ("next".equals(arg)) {
((CardLayout)cards.getLayout()).next(cards);
((CardLayout) cards.getLayout()).next(cards);
} else if ("previous".equals(arg)) {
((CardLayout)cards.getLayout()).previous(cards);
((CardLayout) cards.getLayout()).previous(cards);
} else if ("last".equals(arg)) {
((CardLayout)cards.getLayout()).last(cards);
((CardLayout) cards.getLayout()).last(cards);
} else {
((CardLayout)cards.getLayout()).show(cards,(String)arg);
((CardLayout) cards.getLayout()).show(cards, arg);
}
}
@ -156,9 +176,10 @@ public class CardTest extends Applet
f.add("Center", cardTest);
f.setSize(300, 300);
f.show();
f.setVisible(true);
}
@Override
public String getAppletInfo() {
return "Demonstrates the different types of layout managers.";
}