Пример #1
0
    public MyPanel(Clock clock) {
      myTime = new MyTime();
      this.clock = clock;
      font = new Font(fontStyle, fontKind, fontSize);
      super.setBackground(bgColor);
      popup = new JPopupMenu();

      JMenu mn = new JMenu("menu");
      editor = new JEditorPane();
      editor.setContentType("text/html");
      editor.setEditable(true);

      editor.setText("<b>Hello</b>");
      mn.add(editor);
      JMenu mnf = new JMenu("font style");
      JMenu mnfs = new JMenu("font size");
      JMenu mnfc = new JMenu("font color");
      JMenu mnbg = new JMenu("background color");

      mn.add(mnf);
      mn.add(mnfs);
      mn.add(mnfc);
      mn.add(mnbg);

      GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
      fs = ge.getAvailableFontFamilyNames();
      JMenuItem[] mif = new JMenuItem[fs.length];
      for (int i = 0; i < fs.length; i++) {
        mif[i] = new JMenuItem(fs[i]);
        mnf.add(mif[i]);
        mif[i].addActionListener(new ActionAdapter(this, this.clock));
      }

      JMenuItem[] mifs = new JMenuItem[FONT_SIZE_LENGTH];
      for (int i = 0; i < FONT_SIZE_LENGTH; i++) {
        mifs[i] = new JMenuItem(Integer.valueOf(10 * 2 * (i + 1)).toString());
        mnfs.add(mifs[i]);
        mifs[i].addActionListener(new ActionAdapter(this, this.clock));
      }

      JMenuItem[] mifc = new JMenuItem[COLOR_LIST_LENGTH];
      for (int i = 0; i < COLOR_LIST_LENGTH; i++) {
        mifc[i] = new JMenuItem(colorStr[i]);
        mnfc.add(mifc[i]);
        mifc[i].addActionListener(new ActionAdapter(this, this.clock));
      }

      JMenuItem[] mibg = new JMenuItem[COLOR_LIST_LENGTH];
      for (int i = 0; i < COLOR_LIST_LENGTH; i++) {
        mibg[i] = new JMenuItem(bgColorStr[i]);
        mnbg.add(mibg[i]);
        mibg[i].addActionListener(new ActionAdapter(this, this.clock));
      }

      popup.add(mn);
      add(popup);
    }
Пример #2
0
  private void doListModels() {
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    String[] allFonts = ge.getAvailableFontFamilyNames();
    // Font[]allFonts = ge.getAllFonts();
    String[] styles = {"Plain", "Bold", "Italic", "Bold Italic"};
    String[] sizes = {"8", "9", "10", "11", "12", "14", "16", "18", "20"};

    DefaultComboBoxModel fontModel = new DefaultComboBoxModel(allFonts);
    DefaultComboBoxModel styleModel = new DefaultComboBoxModel(styles);
    DefaultComboBoxModel sizeModel = new DefaultComboBoxModel(sizes);

    fontList.setModel(fontModel);
    styleList.setModel(styleModel);
    sizeList.setModel(sizeModel);
  }
Пример #3
0
  // Here some legacy code makes use of generics. They are tested, so there
  // is no risk of an actual error, but Java issues a warning.
  @SuppressWarnings("unchecked")
  public DialogParameters(
      JFrame parent, Vector<ParameterDescription> vec, boolean strict, Vector<LayerDesc> layers) {
    super(parent, Globals.messages.getString("Param_opt"), true);

    keyb1 = new OSKeybPanel(KEYBMODES.GREEK);
    keyb2 = new OSKeybPanel(KEYBMODES.MISC);
    keyb1.setField(this);
    keyb2.setField(this);
    keyb.addTab("Greek", keyb1);
    keyb.addTab("Misc", keyb2);
    keyb.setVisible(false);
    v = vec;

    int ycount = 0;

    // We create dynamically all the needed elements.
    // For this reason, we work on arrays of the potentially useful Swing
    // objects.

    jtf = new JTextField[MAX_ELEMENTS];
    jcb = new JCheckBox[MAX_ELEMENTS];
    jco = new JComboBox[MAX_ELEMENTS];

    active = false;
    addComponentListener(this);

    GridBagLayout bgl = new GridBagLayout();
    GridBagConstraints constraints = new GridBagConstraints();
    Container contentPane = getContentPane();
    contentPane.setLayout(bgl);
    boolean extStrict = strict;

    ParameterDescription pd;

    int top = 0;

    JLabel lab;

    tc = 0;
    cc = 0;
    co = 0;

    // We process all parameter passed. Depending on its type, a
    // corresponding interface element will be created.
    // A symmetrical operation is done when validating parameters.

    for (ycount = 0; ycount < v.size(); ++ycount) {
      if (ycount > MAX) break;

      pd = (ParameterDescription) v.elementAt(ycount);

      // We do not need to store label objects, since we do not need
      // to retrieve data from them.

      lab = new JLabel(pd.description);
      constraints.weightx = 100;
      constraints.weighty = 100;
      constraints.gridx = 1;
      constraints.gridy = ycount;
      constraints.gridwidth = 1;
      constraints.gridheight = 1;

      // The first element needs a little bit more space at the top.
      if (ycount == 0) top = 10;
      else top = 0;

      // Here we configure the grid layout

      constraints.insets = new Insets(top, 20, 0, 6);

      constraints.fill = GridBagConstraints.VERTICAL;
      constraints.anchor = GridBagConstraints.EAST;
      lab.setEnabled(!(pd.isExtension && extStrict));

      if (!(pd.parameter instanceof Boolean)) contentPane.add(lab, constraints);

      constraints.anchor = GridBagConstraints.WEST;
      constraints.insets = new Insets(top, 0, 0, 0);
      constraints.fill = GridBagConstraints.HORIZONTAL;

      // Now, depending on the type of parameter we create interface
      // elements and we populate the dialog.

      if (pd.parameter instanceof PointG) {
        jtf[tc] = new JTextField(10);
        jtf[tc].setText("" + ((PointG) (pd.parameter)).x);
        constraints.weightx = 100;
        constraints.weighty = 100;
        constraints.gridx = 2;
        constraints.gridy = ycount;
        constraints.gridwidth = 1;
        constraints.gridheight = 1;
        // Disable FidoCadJ extensions in the strict compatibility mode
        jtf[tc].setEnabled(!(pd.isExtension && extStrict));

        contentPane.add(jtf[tc++], constraints);

        jtf[tc] = new JTextField(10);
        jtf[tc].setText("" + ((PointG) (pd.parameter)).y);
        constraints.weightx = 100;
        constraints.weighty = 100;
        constraints.gridx = 3;
        constraints.gridy = ycount;
        constraints.gridwidth = 1;
        constraints.gridheight = 1;
        constraints.insets = new Insets(top, 6, 0, 20);
        constraints.fill = GridBagConstraints.HORIZONTAL;
        jtf[tc].setEnabled(!(pd.isExtension && extStrict));
        contentPane.add(jtf[tc++], constraints);
      } else if (pd.parameter instanceof String) {
        jtf[tc] = new JTextField(24);
        jtf[tc].setText((String) (pd.parameter));
        // If we have a String text field in the first position, its
        // contents should be evidenced, since it is supposed to be
        // the most important field (e.g. for the AdvText primitive)
        if (ycount == 0) jtf[tc].selectAll();
        constraints.weightx = 100;
        constraints.weighty = 100;
        constraints.gridx = 2;
        constraints.gridy = ycount;
        constraints.gridwidth = 2;
        constraints.gridheight = 1;
        constraints.insets = new Insets(top, 0, 0, 20);
        constraints.fill = GridBagConstraints.HORIZONTAL;
        jtf[tc].setEnabled(!(pd.isExtension && extStrict));

        contentPane.add(jtf[tc++], constraints);

      } else if (pd.parameter instanceof Boolean) {
        jcb[cc] = new JCheckBox(pd.description);
        jcb[cc].setSelected(((Boolean) (pd.parameter)).booleanValue());
        constraints.weightx = 100;
        constraints.weighty = 100;
        constraints.gridx = 2;
        constraints.gridy = ycount;
        constraints.gridwidth = 2;
        constraints.gridheight = 1;
        constraints.insets = new Insets(top, 0, 0, 20);
        constraints.fill = GridBagConstraints.HORIZONTAL;
        jcb[cc].setEnabled(!(pd.isExtension && extStrict));
        contentPane.add(jcb[cc++], constraints);
      } else if (pd.parameter instanceof Integer) {
        jtf[tc] = new JTextField(24);
        jtf[tc].setText(((Integer) pd.parameter).toString());
        constraints.weightx = 100;
        constraints.weighty = 100;
        constraints.gridx = 2;
        constraints.gridy = ycount;
        constraints.gridwidth = 2;
        constraints.gridheight = 1;
        constraints.insets = new Insets(top, 0, 0, 20);
        constraints.fill = GridBagConstraints.HORIZONTAL;
        jtf[tc].setEnabled(!(pd.isExtension && extStrict));
        contentPane.add(jtf[tc++], constraints);
      } else if (pd.parameter instanceof Float) {
        // TODO.
        // WARNING: (DB) this is supposed to be temporary. In fact, I
        // am planning to upgrade some of the parameters from int
        // to float. But for a few months, the users should not be
        // aware of that, even if the internal representation is
        // slowing being adapted.
        jtf[tc] = new JTextField(24);
        int dummy = java.lang.Math.round((Float) pd.parameter);
        jtf[tc].setText("" + dummy);
        constraints.weightx = 100;
        constraints.weighty = 100;
        constraints.gridx = 2;
        constraints.gridy = ycount;
        constraints.gridwidth = 2;
        constraints.gridheight = 1;
        constraints.insets = new Insets(top, 0, 0, 20);
        constraints.fill = GridBagConstraints.HORIZONTAL;
        jtf[tc].setEnabled(!(pd.isExtension && extStrict));
        contentPane.add(jtf[tc++], constraints);
      } else if (pd.parameter instanceof FontG) {
        GraphicsEnvironment gE;
        gE = GraphicsEnvironment.getLocalGraphicsEnvironment();
        String[] s = gE.getAvailableFontFamilyNames();
        jco[co] = new JComboBox();

        for (int i = 0; i < s.length; ++i) {
          jco[co].addItem(s[i]);
          if (s[i].equals(((FontG) pd.parameter).getFamily())) jco[co].setSelectedIndex(i);
        }
        constraints.weightx = 100;
        constraints.weighty = 100;
        constraints.gridx = 2;
        constraints.gridy = ycount;
        constraints.gridwidth = 2;
        constraints.gridheight = 1;
        constraints.insets = new Insets(top, 0, 0, 20);
        constraints.fill = GridBagConstraints.HORIZONTAL;
        jco[co].setEnabled(!(pd.isExtension && extStrict));
        contentPane.add(jco[co++], constraints);
      } else if (pd.parameter instanceof LayerInfo) {
        jco[co] = new JComboBox(new Vector<LayerDesc>(layers));
        jco[co].setSelectedIndex(((LayerInfo) pd.parameter).layer);
        jco[co].setRenderer(new LayerCellRenderer());

        constraints.weightx = 100;
        constraints.weighty = 100;
        constraints.gridx = 2;
        constraints.gridy = ycount;
        constraints.gridwidth = 2;
        constraints.gridheight = 1;
        constraints.insets = new Insets(top, 0, 0, 20);
        constraints.fill = GridBagConstraints.HORIZONTAL;
        jco[co].setEnabled(!(pd.isExtension && extStrict));
        contentPane.add(jco[co++], constraints);

      } else if (pd.parameter instanceof ArrowInfo) {
        jco[co] = new JComboBox<ArrowInfo>();
        jco[co].addItem(new ArrowInfo(0));
        jco[co].addItem(new ArrowInfo(1));
        jco[co].addItem(new ArrowInfo(2));
        jco[co].addItem(new ArrowInfo(3));

        jco[co].setSelectedIndex(((ArrowInfo) pd.parameter).style);
        jco[co].setRenderer(new ArrowCellRenderer());

        constraints.weightx = 100;
        constraints.weighty = 100;
        constraints.gridx = 2;
        constraints.gridy = ycount;
        constraints.gridwidth = 2;
        constraints.gridheight = 1;
        constraints.insets = new Insets(top, 0, 0, 20);
        constraints.fill = GridBagConstraints.HORIZONTAL;
        jco[co].setEnabled(!(pd.isExtension && extStrict));
        contentPane.add(jco[co++], constraints);

      } else if (pd.parameter instanceof DashInfo) {

        jco[co] = new JComboBox<DashInfo>();

        for (int k = 0; k < Globals.dashNumber; ++k) {
          jco[co].addItem(new DashInfo(k));
        }

        jco[co].setSelectedIndex(((DashInfo) pd.parameter).style);
        jco[co].setRenderer(new DashCellRenderer());

        constraints.weightx = 100;
        constraints.weighty = 100;
        constraints.gridx = 2;
        constraints.gridy = ycount;
        constraints.gridwidth = 2;
        constraints.gridheight = 1;
        constraints.insets = new Insets(top, 0, 0, 20);
        constraints.fill = GridBagConstraints.HORIZONTAL;
        jco[co].setEnabled(!(pd.isExtension && extStrict));
        contentPane.add(jco[co++], constraints);
      }
    }
    // Put the OK and Cancel buttons and make them active.
    JButton ok = new JButton(Globals.messages.getString("Ok_btn"));
    JButton cancel = new JButton(Globals.messages.getString("Cancel_btn"));
    JButton keybd = new JButton("\u00B6\u2211\u221A"); // phylum
    keybd.setFocusable(false);
    keybd.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            // If at this point, the keyboard is not visible, this means
            // that it will become visible in a while. It is better to
            // resize first and then show up the keyboard.
            if (keyb.isVisible()) {
              MIN_WIDTH = 400;
              MIN_HEIGHT = 350;
            } else {
              MIN_WIDTH = 400;
              MIN_HEIGHT = 500;
            }
            // setSize(MIN_WIDTH, MIN_HEIGHT);
            keyb.setVisible(!keyb.isVisible());
            pack();
          }
        });

    constraints.gridx = 0;
    constraints.gridy = ycount++;
    constraints.gridwidth = 4;
    constraints.gridheight = 1;
    constraints.anchor = GridBagConstraints.EAST;
    constraints.insets = new Insets(6, 20, 20, 20);

    // Put the OK and Cancel buttons and make them active.
    Box b = Box.createHorizontalBox();
    b.add(keybd); // phylum

    b.add(Box.createHorizontalGlue());
    ok.setPreferredSize(cancel.getPreferredSize());

    if (Globals.okCancelWinOrder) {
      b.add(ok);
      b.add(Box.createHorizontalStrut(12));
      b.add(cancel);

    } else {
      b.add(cancel);
      b.add(Box.createHorizontalStrut(12));
      b.add(ok);
    }
    // b.add(Box.createHorizontalStrut(12));
    contentPane.add(b, constraints);

    constraints.gridx = 0;
    constraints.gridy = ycount;
    constraints.gridwidth = 4;
    constraints.gridheight = 1;
    constraints.anchor = GridBagConstraints.EAST;
    constraints.insets = new Insets(6, 20, 20, 20);

    contentPane.add(keyb, constraints);

    ok.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent evt) {
            try {
              int ycount;
              ParameterDescription pd;
              tc = 0;
              cc = 0;
              co = 0;

              // Here we read all the contents of the interface and we
              // update the contents of the parameter description array.

              for (ycount = 0; ycount < v.size(); ++ycount) {
                if (ycount > MAX) break;
                pd = (ParameterDescription) v.elementAt(ycount);

                if (pd.parameter instanceof PointG) {
                  ((PointG) (pd.parameter)).x = Integer.parseInt(jtf[tc++].getText());
                  ((PointG) (pd.parameter)).y = Integer.parseInt(jtf[tc++].getText());
                } else if (pd.parameter instanceof String) {
                  pd.parameter = jtf[tc++].getText();
                } else if (pd.parameter instanceof Boolean) {
                  pd.parameter = Boolean.valueOf(jcb[cc++].isSelected());
                } else if (pd.parameter instanceof Integer) {
                  pd.parameter = Integer.valueOf(Integer.parseInt(jtf[tc++].getText()));
                } else if (pd.parameter instanceof Float) {
                  pd.parameter = Float.valueOf(Float.parseFloat(jtf[tc++].getText()));
                } else if (pd.parameter instanceof FontG) {
                  pd.parameter = new FontG((String) jco[co++].getSelectedItem());
                } else if (pd.parameter instanceof LayerInfo) {
                  pd.parameter = new LayerInfo(jco[co++].getSelectedIndex());
                } else if (pd.parameter instanceof ArrowInfo) {
                  pd.parameter = new ArrowInfo(jco[co++].getSelectedIndex());
                } else if (pd.parameter instanceof DashInfo) {
                  pd.parameter = new DashInfo(jco[co++].getSelectedIndex());
                }
              }
            } catch (NumberFormatException E) {
              // Error detected. Probably, the user has entered an
              // invalid string when FidoCadJ was expecting a numerical
              // input.

              JOptionPane.showMessageDialog(
                  null,
                  Globals.messages.getString("Format_invalid"),
                  "",
                  JOptionPane.INFORMATION_MESSAGE);
              return;
            }

            active = true;
            // Globals.activeWindow.setEnabled(true);
            setVisible(false);
            keyb.setVisible(false);
          }
        });
    cancel.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent evt) {
            // Globals.activeWindow.setEnabled(true);
            setVisible(false);
            keyb.setVisible(false);
          }
        });
    // Here is an action in which the dialog is closed

    AbstractAction cancelAction =
        new AbstractAction() {
          public void actionPerformed(ActionEvent e) {
            // Globals.activeWindow.setEnabled(true);
            setVisible(false);
            keyb.setVisible(false);
          }
        };
    DialogUtil.addCancelEscape(this, cancelAction);

    this.addWindowListener(
        new WindowAdapter() {
          public void windowClosing(WindowEvent e) {
            // Globals.activeWindow.setEnabled(true);
            keyb.setVisible(false);
          }
        });

    pack();
    DialogUtil.center(this);
    getRootPane().setDefaultButton(ok);
  }
Пример #4
0
  /** Create a font chooser dialog for the specified frame. */
  public FontChooser(Frame owner) {
    super(owner, "Choose a Font"); // Set dialog frame and title

    // This dialog must be used as a modal dialog.  In order to be used
    // as a modeless dialog, it would have to fire a PropertyChangeEvent
    // whenever the selected font changed, so that applications could be
    // notified of the user's selections.
    setModal(true);

    // Figure out what fonts are available on the system
    GraphicsEnvironment env = GraphicsEnvironment.getLocalGraphicsEnvironment();
    fontFamilies = env.getAvailableFontFamilyNames();

    // Set initial values for the properties
    family = fontFamilies[0];
    style = Font.PLAIN;
    size = 18;
    selectedFont = new Font(family, style, size);

    // Create ItemChooser objects that allow the user to select font
    // family, style, and size.
    families = new ItemChooser("Family", fontFamilies, null, 0, ItemChooser.COMBOBOX);
    styles = new ItemChooser("Style", styleNames, styleValues, 0, ItemChooser.COMBOBOX);
    sizes = new ItemChooser("Size", sizeNames, null, 4, ItemChooser.COMBOBOX);

    // Now register event listeners to handle selections
    families.addItemChooserListener(
        new ItemChooser.Listener() {
          public void itemChosen(ItemChooser.Event e) {
            setFontFamily((String) e.getSelectedValue());
          }
        });
    styles.addItemChooserListener(
        new ItemChooser.Listener() {
          public void itemChosen(ItemChooser.Event e) {
            setFontStyle(((Integer) e.getSelectedValue()).intValue());
          }
        });
    sizes.addItemChooserListener(
        new ItemChooser.Listener() {
          public void itemChosen(ItemChooser.Event e) {
            setFontSize(Integer.parseInt((String) e.getSelectedValue()));
          }
        });

    // Create a component to preview the font.
    preview = new JTextArea(defaultPreviewString, 5, 40);
    preview.setFont(selectedFont);

    // Create buttons to dismiss the dialog, and set handlers on them
    okay = new JButton("Okay");
    cancel = new JButton("Cancel");
    okay.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            hide();
          }
        });
    cancel.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            selectedFont = null;
            hide();
          }
        });

    // Put the ItemChoosers in a Box
    Box choosersBox = Box.createHorizontalBox();
    choosersBox.add(Box.createHorizontalStrut(15));
    choosersBox.add(families);
    choosersBox.add(Box.createHorizontalStrut(15));
    choosersBox.add(styles);
    choosersBox.add(Box.createHorizontalStrut(15));
    choosersBox.add(sizes);
    choosersBox.add(Box.createHorizontalStrut(15));
    choosersBox.add(Box.createGlue());

    // Put the dismiss buttons in another box
    Box buttonBox = Box.createHorizontalBox();
    buttonBox.add(Box.createGlue());
    buttonBox.add(okay);
    buttonBox.add(Box.createGlue());
    buttonBox.add(cancel);
    buttonBox.add(Box.createGlue());

    // Put the choosers at the top, the buttons at the bottom, and
    // the preview in the middle.
    Container contentPane = getContentPane();
    contentPane.add(new JScrollPane(preview), BorderLayout.CENTER);
    contentPane.add(choosersBox, BorderLayout.NORTH);
    contentPane.add(buttonBox, BorderLayout.SOUTH);

    // Set the dialog size based on the component size.
    pack();
  }
Пример #5
0
    public CustomDialog(Frame name) {
      super(name, "Customize Text Properties", true);
      this.setResizable(false);
      this.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);

      GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
      String[] fontList = ge.getAvailableFontFamilyNames();
      fontCombo = new JComboBox(fontList);

      italic = new JCheckBox("Italic");
      bold = new JCheckBox("Bold");

      sizeCombo = new JComboBox(stringSize);
      ((JLabel) sizeCombo.getRenderer()).setHorizontalAlignment(SwingConstants.CENTER);
      sizeCombo.setSelectedIndex(4);
      sizeCombo.setPreferredSize(new Dimension(45, 21)); // tweek size

      example = new JTextField(" Preview ");
      example.setHorizontalAlignment(SwingConstants.CENTER);
      example.setFont(new Font("sanserif", Font.PLAIN, 28));
      example.setEditable(false);

      ok = new JButton("Apply");
      cancel = new JButton("Cancel");
      ok.setPreferredSize(cancel.getPreferredSize());

      foreground = new JButton("Edit Color");

      foreground.setPreferredSize(new Dimension(100, 50));

      // add the listeners
      fontCombo.addActionListener(this);
      italic.addItemListener(this);
      bold.addItemListener(this);
      sizeCombo.addActionListener(this);
      ok.addActionListener(this);
      cancel.addActionListener(this);
      foreground.addActionListener(this);

      JPanel p0 = new JPanel();
      p0.add(fontCombo);
      p0.setBorder(new TitledBorder(new EtchedBorder(), "Font family"));

      JPanel p1a = new JPanel();
      p1a.add(italic);
      p1a.add(bold);
      p1a.setBorder(new TitledBorder(new EtchedBorder(), "Font style"));

      JPanel p1b = new JPanel();
      p1b.add(sizeCombo);
      p1b.add(new JLabel("pt."));
      p1b.setBorder(new TitledBorder(new EtchedBorder(), "Font size"));

      JPanel p1 = new JPanel();
      p1.setLayout(new BoxLayout(p1, BoxLayout.X_AXIS));
      p1.add(p1a);
      p1.add(p1b);
      p1.setAlignmentX(Component.CENTER_ALIGNMENT);

      JPanel p2 = new JPanel(); // use FlowLayout
      p2.add(foreground);

      p2.setBorder(new TitledBorder(new EtchedBorder(), "Message color"));
      p2.setAlignmentX(Component.CENTER_ALIGNMENT);

      JPanel p3 = new JPanel();
      p3.setLayout(new BoxLayout(p3, BoxLayout.Y_AXIS));
      p3.add(example);
      p3.setPreferredSize(new Dimension(250, 60));
      p3.setMaximumSize(new Dimension(250, 60));
      p3.setAlignmentX(Component.CENTER_ALIGNMENT);

      JPanel p4 = new JPanel();
      p4.add(ok);
      p4.add(cancel);
      p4.setAlignmentX(Component.CENTER_ALIGNMENT);

      JPanel p = new JPanel();
      p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
      p.add(p0);
      p.add(Box.createRigidArea(new Dimension(0, 10)));
      p.add(p1);
      p.add(Box.createRigidArea(new Dimension(0, 10)));
      p.add(p2);
      p.add(Box.createRigidArea(new Dimension(0, 10)));
      p.add(p3);
      p.add(Box.createRigidArea(new Dimension(0, 10)));
      p.add(p4);
      p.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));

      Dimension d1 = p3.getPreferredSize();
      Dimension d2 = p1.getPreferredSize();
      p1.setPreferredSize(new Dimension(d1.width, d2.height));
      p1.setMaximumSize(new Dimension(d1.width, d2.height));
      d2 = p2.getPreferredSize();
      p2.setPreferredSize(new Dimension(d1.width, d2.height));
      p2.setMaximumSize(new Dimension(d1.width, d2.height));

      this.setContentPane(p);
      this.pack();
    }