Sample code |
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
import org.jvnet.lafwidget.LafWidget;
import org.jvnet.lafwidget.tabbed.DefaultTabPreviewPainter;
import org.jvnet.substance.skin.SubstanceBusinessBlackSteelLookAndFeel;
import test.Check;
/**
* Test application that shows the use of the
* {@link LafWidget#TABBED_PANE_PREVIEW_PAINTER} client property.
*
* @author Kirill Grouchnikov
* @see LafWidget#TABBED_PANE_PREVIEW_PAINTER
*/
public class TabbedPanePreviewPainter extends JFrame {
/**
* Creates the main frame for <code>this</code> sample.
*/
public TabbedPanePreviewPainter() {
super("Tabbed pane preview painter");
this.setLayout(new BorderLayout());
final JTabbedPane jtp = new JTabbedPane();
jtp.addTab("First", Check.getIcon("flag_mexico"), new JPanel() {
@Override
protected void paintComponent(Graphics g) {
g.setColor(new Color(255, 200, 200));
g.fillRect(0, 0, getWidth(), getHeight());
}
});
jtp.addTab("Second", Check.getIcon("flag_sweden"), new JPanel() {
@Override
protected void paintComponent(Graphics g) {
g.setColor(new Color(200, 255, 200));
g.fillRect(0, 0, getWidth(), getHeight());
}
});
jtp.addTab("Third", Check.getIcon("flag_hong_kong"), new JPanel() {
@Override
protected void paintComponent(Graphics g) {
g.setColor(new Color(200, 200, 255));
g.fillRect(0, 0, getWidth(), getHeight());
}
});
this.add(jtp, BorderLayout.CENTER);
JPanel controls = new JPanel(new FlowLayout(FlowLayout.RIGHT));
final JCheckBox hasPreview = new JCheckBox("Has preview");
hasPreview.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
jtp
.putClientProperty(
LafWidget.TABBED_PANE_PREVIEW_PAINTER,
hasPreview.isSelected() ? new DefaultTabPreviewPainter()
: null);
jtp.revalidate();
jtp.repaint();
}
});
controls.add(hasPreview);
this.add(controls, BorderLayout.SOUTH);
this.setSize(400, 200);
this.setLocationRelativeTo(null);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
/**
* The main method for <code>this</code> sample. The arguments are
* ignored.
*
* @param args
* Ignored.
* @throws Exception
* If some exception occured. Note that there is no special
* treatment of exception conditions in <code>this</code>
* sample code.
*/
public static void main(String[] args) throws Exception {
UIManager.setLookAndFeel(new SubstanceBusinessBlackSteelLookAndFeel());
JFrame.setDefaultLookAndFeelDecorated(true);
JDialog.setDefaultLookAndFeelDecorated(true);
SwingUtilities.invokeLater(new Runnable() {
public void run() {
new TabbedPanePreviewPainter().setVisible(true);
}
});
}
}
The screenshot below shows a tabbed pane when this property is
not installed:
After installing this property on the tabbed pane, it has an overview
button in the top left corner:
Clicking on the preview button brings up the overview dialog.
The mouse is over the preview of the third tab that shows the relevant
tooltip:
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