Swing/LookAndFeel のバックアップの現在との差分(No.23)

#spandel
//%JAVA_HOME%/demo/jfc/SwingSet2/src/SwingSet2.java
#spanend
#spanadd
// %JAVA_HOME%/demo/jfc/SwingSet2/src/SwingSet2.java
#spanend
// Possible Look & Feels
#spandel
private static final String MAC     = "com.sun.java.swing.plaf.mac.MacLookAndFeel";
#spanend
#spandel
private static final String METAL   = "javax.swing.plaf.metal.MetalLookAndFeel";
#spanend
#spandel
private static final String MOTIF   = "com.sun.java.swing.plaf.motif.MotifLookAndFeel";
#spanend
#spanadd
private static final String MAC = "com.sun.java.swing.plaf.mac.MacLookAndFeel";
#spanend
#spanadd
private static final String METAL = "javax.swing.plaf.metal.MetalLookAndFeel";
#spanend
#spanadd
private static final String MOTIF = "com.sun.java.swing.plaf.motif.MotifLookAndFeel";
#spanend
private static final String WINDOWS = "com.sun.java.swing.plaf.windows.WindowsLookAndFeel";
#spandel
private static final String GTK     = "com.sun.java.swing.plaf.gtk.GTKLookAndFeel";
#spanend
#spandel
//private static final String NIMBUS  = "com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel"; // JDK 1.6.0_10
#spanend
#spandel
private static final String NIMBUS  = "javax.swing.plaf.nimbus.NimbusLookAndFeel"; // JDK 1.7.0
#spanend
#spanadd
private static final String GTK = "com.sun.java.swing.plaf.gtk.GTKLookAndFeel";
#spanend
#spanadd
// JDK 1.6.0_10
#spanend
#spanadd
// private static final String NIMBUS  = "com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel";
#spanend
#spanadd
// JDK 1.7.0
#spanend
#spanadd
private static final String NIMBUS  = "javax.swing.plaf.nimbus.NimbusLookAndFeel";
#spanend

// The current Look & Feel
private static String currentLookAndFeel = METAL;
private final ButtonGroup lafMenuGroup = new ButtonGroup();
public JMenuItem createLafMenuItem(JMenu menu, String label, String laf) {
  JMenuItem mi = menu.add(new JRadioButtonMenuItem(label));
  lafMenuGroup.add(mi);
  mi.addActionListener(new ChangeLookAndFeelAction(laf));
  mi.setEnabled(isAvailableLookAndFeel(laf));
  return mi;
}
#spanadd

#spanend
protected static boolean isAvailableLookAndFeel(String laf) {
  try {
    Class lnfClass = Class.forName(laf);
    LookAndFeel newLAF = (LookAndFeel) lnfClass.newInstance();
    return newLAF.isSupportedLookAndFeel();
  } catch (Exception e) {
    return false;
  }
}
#spandel
//...
#spanend
#spanadd

#spanend
#spanadd
// ...
#spanend
private class ChangeLookAndFeelAction extends AbstractAction {
  private final String laf;
  protected ChangeLookAndFeelAction(String laf) {
    super("ChangeTheme");
    this.laf = laf;
  }
#spanadd

#spanend
  @Override public void actionPerformed(ActionEvent e) {
    setLookAndFeel(laf);
  }
}
#spanadd

#spanend
private void setLookAndFeel(String laf) {
  if (currentLookAndFeel.equals(laf)) return;
  currentLookAndFeel = laf;
  try {
    UIManager.setLookAndFeel(currentLookAndFeel);
    SwingUtilities.updateComponentTreeUI(frame);
  } catch (Exception ex) {
    ex.printStackTrace();
    System.out.println("Failed loading L&F: " + currentLookAndFeel);
  }
}