diff options
Diffstat (limited to 'examples/gnu/classpath/examples/swing/ButtonDemo.java')
| -rw-r--r-- | examples/gnu/classpath/examples/swing/ButtonDemo.java | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/examples/gnu/classpath/examples/swing/ButtonDemo.java b/examples/gnu/classpath/examples/swing/ButtonDemo.java index b53ba3b5c..ffe9fb236 100644 --- a/examples/gnu/classpath/examples/swing/ButtonDemo.java +++ b/examples/gnu/classpath/examples/swing/ButtonDemo.java @@ -46,6 +46,8 @@ public class ButtonDemo implements ActionListener { + private JPanel content; + private JCheckBox buttonState; private JButton button1; private JButton button2; @@ -95,13 +97,16 @@ public class ButtonDemo */ JPanel createContent() { - JPanel content = new JPanel(new BorderLayout()); - JPanel panel = new JPanel(new GridLayout(4, 1)); - panel.add(createButtonPanel()); - panel.add(createTogglePanel()); - panel.add(createCheckBoxPanel()); - panel.add(createRadioPanel()); - content.add(panel); + if (content == null) + { + content = new JPanel(new BorderLayout()); + JPanel panel = new JPanel(new GridLayout(4, 1)); + panel.add(createButtonPanel()); + panel.add(createTogglePanel()); + panel.add(createCheckBoxPanel()); + panel.add(createRadioPanel()); + content.add(panel); + } return content; } |