runtimesource/FormPreviewFrame.java

   1
   2 import javax.swing.*;
   3 import java.awt.*;
   4 import java.awt.event.ActionEvent;
   5 import java.text.MessageFormat;
   6 import java.util.ResourceBundle;
   7
   8 public class FormPreviewFrame {
   9   private JComponent myComponent;
  10   private static ResourceBundle ourBundle = ResourceBundle.getBundle("RuntimeBundle");
  11
  12   // Note: this class should not be obfuscated
  13
  14   public static void main(String[] args) {
  15     FormPreviewFrame f = new FormPreviewFrame();
  16
  17     JFrame frame = new JFrame(ourBundle.getString("form.preview.title"));
  18     frame.setContentPane(f.myComponent);
  19     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  20
  21     // Add menu bar
  22     final JMenuBar menuBar = new JMenuBar();
  23     frame.setJMenuBar(menuBar);
  24
  25     final JMenu menuFile = new JMenu(ourBundle.getString("form.menu.preview"));
  26     menuFile.setMnemonic(ourBundle.getString("form.menu.preview.mnemonic").charAt(0));
  27     menuFile.add(new JMenuItem(new MyPackAction(frame)));
  28     menuFile.add(new JMenuItem(new MyExitAction()));
  29     menuBar.add(menuFile);
  30
  31     final JMenu viewMenu = new JMenu(ourBundle.getString("form.menu.laf"));
  32     viewMenu.setMnemonic(ourBundle.getString("form.menu.laf.mnemonic").charAt(0));
  33     menuBar.add(viewMenu);
  34
  35     final UIManager.LookAndFeelInfo[] lafs = UIManager.getInstalledLookAndFeels();
  36     for(int i = 0; i < lafs.length; i++){
  37       viewMenu.add(new MySetLafAction(frame, lafs[i]));
  38     }
  39
  40     frame.pack();
  41     Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
  42     frame.setLocation((screenSize.width - frame.getWidth())/2, (screenSize.height - frame.getHeight())/2);
  43     frame.setVisible(true);
  44   }
  45
  46   private static final class MyExitAction extends AbstractAction{
  47     public MyExitAction() {
  48       super(ourBundle.getString("form.menu.file.exit"));
  49     }
  50
  51     public void actionPerformed(final ActionEvent e) {
  52       System.exit(0);
  53     }
  54   }
  55
  56   private static final class MyPackAction extends AbstractAction{
  57     private final JFrame myFrame;
  58
  59     public MyPackAction(final JFrame frame) {
  60       super(ourBundle.getString("form.menu.view.pack"));
  61       myFrame = frame;
  62     }
  63
  64     public void actionPerformed(final ActionEvent e) {
  65       myFrame.pack();
  66     }
  67   }
  68
  69   private static final class MySetLafAction extends AbstractAction{
  70     private final JFrame myFrame;
  71     private final UIManager.LookAndFeelInfo myInfo;
  72
  73     public MySetLafAction(final JFrame frame, final UIManager.LookAndFeelInfo info) {
  74       super(info.getName());
  75       myFrame = frame;
  76       myInfo = info;
  77     }
  78
  79     public void actionPerformed(ActionEvent e) {
  80       try{
  81         UIManager.setLookAndFeel(myInfo.getClassName());
  82         SwingUtilities.updateComponentTreeUI(myFrame);
  83         Dimension prefSize = myFrame.getPreferredSize();
  84         if(prefSize.width > myFrame.getWidth() || prefSize.height > myFrame.getHeight()){
  85           myFrame.pack();
  86         }
  87       }
  88       catch(Exception exc){
  89         JOptionPane.showMessageDialog(
  90           myFrame,
  91           MessageFormat.format(ourBundle.getString("error.cannot.change.look.feel"), new Object[] {exc.getMessage()}),
  92           ourBundle.getString("error.title"),
  93           JOptionPane.ERROR_MESSAGE
  94         );
  95       }
  96     }
  97   }
  98 }