在Mac OS X,的com.apple.laf.AquaInternalFrameUI
實例定義了內部框架的外觀。您可以通過專門設置isPalette
屬性並禁用Mac OS X上的框架圖標來最大限度地減少差異,如下所示。
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.JButton;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.plaf.basic.BasicInternalFrameUI;
/** @see http://stackoverflow.com/questions/7218971 */
public class InternalFrame {
private static final int DELTA = 40;
private JDesktopPane desktop = new JDesktopPane();
private int offset = DELTA;
public InternalFrame() {
JFrame f = new JFrame("Add Frame");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setPreferredSize(new Dimension(400, 400));
JPanel p = new JPanel();
p.add(new JButton(new AbstractAction("Add") {
@Override
public void actionPerformed(ActionEvent e) {
createInternalFrame();
}
}));
f.add(p, BorderLayout.SOUTH);
createInternalFrame();
f.add(desktop, BorderLayout.CENTER);
f.pack();
f.setLocationRelativeTo(null);
f.setVisible(true);
}
private void createInternalFrame() {
JInternalFrame internalFrame = new JInternalFrame(
"Internal Frame");//, true, true, true, true);
desktop.add(internalFrame);
internalFrame.setLocation(offset, offset);
offset += DELTA;
if (System.getProperty("os.name").startsWith("Mac OS")) {
internalFrame.putClientProperty("JInternalFrame.isPalette", true);
} else {
((BasicInternalFrameUI) internalFrame.getUI()).setNorthPane(null);
}
internalFrame.add(createTabbedPane());
internalFrame.pack();
internalFrame.setVisible(true);
}
// take up some space
private JTabbedPane createTabbedPane() {
JTabbedPane jtp = new JTabbedPane();
createTab(jtp, "One");
createTab(jtp, "Two");
return jtp;
}
private void createTab(JTabbedPane jtp, String s) {
jtp.add(s, new JLabel("TabbedPane " + s, JLabel.CENTER));
}
public static void main(String args[]) {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
InternalFrame myInternalFrame = new InternalFrame();
}
});
}
}
['JInternalFrame'](http://download.oracle.com/javase/6/docs/api/javax/swing/JInternalFrame.html)是一個輕量級組件;外觀由UI委託「InternalFrameUI」提供。 – trashgod