messageformatdemo.java

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      doFormatting();
    } else if ((e.getSource() == choice1Num) ||(e.getSource() == choice2Num) ||
	       (e.getSource() == choice3Num) ||(e.getSource() == choice4Num)) {
      e.consume();
      doFormatting();
    } else if ((e.getSource() == arg1Text) ||(e.getSource() == arg2Text) ||
	       (e.getSource() == arg3Text) ||(e.getSource() == arg4Text)) {
      e.consume();
      doFormatting();
    } else if (e.getSource() == patternText) {
      e.consume();
      doFormatting();
    }
      
  }

  public void keyTyped(KeyEvent e) {
  }
  
  /* Window Listener methods */
  public void windowClosed(WindowEvent e) {
  }

  public void windowDeiconified(WindowEvent e) {
  }

  public void windowIconified(WindowEvent e) {
  }

  public void windowActivated(WindowEvent e) {
  }

  public void windowDeactivated(WindowEvent e) {
  }

  public void windowOpened(WindowEvent e) {
  }

  public void windowClosing(WindowEvent e) {
    setVisible(false);
    dispose();

    if (applet != null) {
      applet.demoClosed();
    } else System.exit(0);

  }

    //------------------------------------------------------------
    // package private
    //------------------------------------------------------------

    double doubleValue(String s) {
        try {
            return Double.valueOf(s).doubleValue();
        } catch (Exception foo) {
            return Double.POSITIVE_INFINITY;
        }
    }

    void constrainedAdd(GridBagConstraints c,
                        Container container,
                        Component foo,
                        Font font) {
        GridBagLayout gridbag = (GridBagLayout)container.getLayout();
        if (font != null)
            foo.setFont(font);
        gridbag.setConstraints(foo, c);
        container.add(foo);
    }

    Choice cloneChoice (Choice source) {
        Choice result = new Choice();
        for (int i = 0; i < source.getItemCount(); ++i)
            result.addItem(source.getItem(i));
        result.setFont(source.getFont());
        return result;
    }


    void addWithFont(Container container, Component foo, Font font) {
        if (font != null)
            foo.setFont(font);
        container.add(foo);
    }

    //{{DECLARE_CONTROLS
    Label label1;
    Label label2;
    TextField patternText;
    Label label3;
    Label label4;
    Label label5;
    Label labelArg;
    Label labelForm;
    TextField arg1Text;
    TextField arg2Text;
    TextField arg3Text;
    Choice arg1Type;
    Choice arg2Type;
    Choice arg3Type;
    Label label6;
    Choice localeMenu;
    Label localeLabel;
    Label label13;
    Label label14;
    TextField resultText;
    Label label7;
    Label label8;
    Label label9;
    TextField choice1Num;
    TextField choice2Num;
    TextField choice3Num;
    TextField choice4Num;
    TextField choice1Text;
    TextField choice2Text;
    TextField choice3Text;
    TextField choice4Text;
    Label label10;
    Label label11;
    Label label12;
    TextField arg4Text;
    Choice arg4Type;
    //}}

    //------------------------------------------------------------
    // private
    //------------------------------------------------------------
    private void buildGUI() {

        //{{INIT_CONTROLS
        setLayout(new FlowLayout(FlowLayout.CENTER,2,2));   // MD 8/7
        setBackground(Color.white); // MD 8/7

        // Main Title

        Panel titleCreditPanel = new Panel();
        label6=new Label("Message Format Demo", Label.CENTER);
        label6.setFont(Utility.titleFont);
        titleCreditPanel.add(label6);

        Panel creditPanel = new Panel();
        label13=new Label(creditString);
        label13.setFont(Utility.creditFont);
        creditPanel.add(label13);

        titleCreditPanel.add(creditPanel);

        Utility.fixGrid(titleCreditPanel,1);

        // result text

        Panel patternResultPanel = new Panel();

        addWithFont(patternResultPanel,new
            Label("Result", Label.RIGHT),Utility.labelFont);
        addWithFont(patternResultPanel,resultText= new
            TextField(FIELD_COLUMNS),Utility.editFont);

        addWithFont(patternResultPanel,new
            Label("Pattern", Label.RIGHT),Utility.labelFont);
        addWithFont(patternResultPanel,patternText=new
            TextField(FIELD_COLUMNS),Utility.editFont);

	patternText.addKeyListener(this);
        Utility.fixGrid(patternResultPanel,2);

        // Locale and credits

        Panel localeCreditPanel = new Panel();
        // localeCreditPanel.setLayout(new GridBagLayout());

        localeLabel=new Label("Locale:",Label.LEFT);
        localeLabel.setFont(Utility.labelFont);
        //localeCreditPanel.add("loc",localeLabel);

        // LOCALE
        localeMenu= new Choice();
	localeMenu.addItemListener(this);
        // Stick the names of the locales into the locale popup menu
        Locale displayLocale = Locale.getDefault();
        for (int i = 0; i < locales.length; i++) {
            if (locales[i].getCountry().length() > 0) {
                localeMenu.addItem( locales[i].getDisplayName() );
                if (locales[i].equals(Locale.getDefault())) {
                    localeMenu.select(i);
                }
            }
        }
           localeMenu.setFont(Utility.choiceFont);

        Panel localePanel=new Panel();
        localePanel.add(localeLabel);
        localePanel.add(localeMenu);
        localeCreditPanel.add(localePanel);

        arg1Type= new Choice();
           arg1Type.setFont(Utility.choiceFont);
        arg1Type.addItem("Number");
        arg1Type.addItem("Date");
        arg1Type.addItem("Choice");
        arg1Type.addItem("None");
	arg1Type.addItemListener(this);

        // PUT THE ARGUMENTS/ FORMATS into GRID
        Panel allArgs = new Panel();

        addWithFont(allArgs,new Label(" "),Utility.labelFont);
        addWithFont(allArgs,new Label("Arguments", Label.LEFT),
                                      Utility.labelFont);
        addWithFont(allArgs,new Label("0",Label.RIGHT),Utility.labelFont);
        addWithFont(allArgs,arg1Text=new TextField(12),Utility.editFont);
        addWithFont(allArgs,new Label("1",Label.RIGHT),Utility.labelFont);
        addWithFont(allArgs,arg2Text=new TextField(12),Utility.editFont);
        addWithFont(allArgs,new Label("2",Label.RIGHT),Utility.labelFont);
        addWithFont(allArgs,arg3Text=new TextField(12),Utility.editFont);
        addWithFont(allArgs,new Label("3",Label.RIGHT),Utility.labelFont);
        addWithFont(allArgs,arg4Text=new TextField(12),Utility.editFont);

	arg1Text.addKeyListener(this);
	arg2Text.addKeyListener(this);
	arg3Text.addKeyListener(this);
	arg4Text.addKeyListener(this);

        Utility.fixGrid(allArgs,2);

        Panel formatPanel = new Panel();
        addWithFont(formatPanel,new Label(" "),Utility.labelFont);
        addWithFont(formatPanel,new Label("Formats", Label.LEFT),
                    Utility.labelFont);

        addWithFont(formatPanel,new Label("0",Label.RIGHT),Utility.labelFont);
        addWithFont(formatPanel,arg1Type,Utility.choiceFont);

        addWithFont(formatPanel,new Label("1",Label.RIGHT),Utility.labelFont);
        addWithFont(formatPanel,arg2Type = cloneChoice(arg1Type),
                    Utility.choiceFont);

        addWithFont(formatPanel,new Label("2",Label.RIGHT),Utility.labelFont);
        addWithFont(formatPanel,arg3Type = cloneChoice(arg1Type),
                    Utility.choiceFont);

        addWithFont(formatPanel,new Label("3",Label.RIGHT),Utility.labelFont);
        addWithFont(formatPanel,arg4Type = cloneChoice(arg1Type),
                    Utility.choiceFont);

	arg2Type.addItemListener(this);
	arg3Type.addItemListener(this);
	arg4Type.addItemListener(this);

        Utility.fixGrid(formatPanel,2);

        // Choices panel

        Panel choicesPanel = new Panel();
        addWithFont(choicesPanel,new Label(">=", Label.LEFT),
                    Utility.labelFont);
        addWithFont(choicesPanel,new Label("Choice Strings", Label.LEFT),
                    Utility.labelFont);

        addWithFont(choicesPanel,choice1Num=new TextField(4),
                    Utility.editFont);
        addWithFont(choicesPanel,choice1Text=new TextField(16),
                    Utility.editFont);
        addWithFont(choicesPanel,choice2Num=new TextField(4),
                    Utility.editFont);
        addWithFont(choicesPanel,choice2Text=new TextField(16),
                    Utility.editFont);
        addWithFont(choicesPanel,choice3Num=new TextField(4),
                    Utility.editFont);
        addWithFont(choicesPanel,choice3Text=new TextField(16),
                    Utility.editFont);
        addWithFont(choicesPanel,choice4Num=new TextField(4),
                    Utility.editFont);
        addWithFont(choicesPanel,choice4Text=new TextField(16),
                    Utility.editFont);

	choice1Text.addKeyListener(this);
	choice2Text.addKeyListener(this);
	choice3Text.addKeyListener(this);
	choice4Text.addKeyListener(this);
	choice1Num.addKeyListener(this);
	choice2Num.addKeyListener(this);
	choice3Num.addKeyListener(this);
	choice4Num.addKeyListener(this);

        Utility.fixGrid(choicesPanel,2);
        add(titleCreditPanel);
        add(patternResultPanel);
        add(localeCreditPanel);
        Panel bottomPanel = new Panel();
        bottomPanel.add(allArgs);

        XBorderPanel x = new XBorderPanel(); // MD 8/7
        x.setBackground(Color.lightGray);
        x.setLayout(null);
        x.setSize(8,130);
        bottomPanel.add(x);

        bottomPanel.add(formatPanel);

        XBorderPanel x1 = new XBorderPanel(); // MD 8/7
        x1.setBackground(Color.lightGray);
        x1.setLayout(null);
        x1.setSize(8,130);
        bottomPanel.add(x1);

        bottomPanel.add(choicesPanel);
        Utility.fixGrid(bottomPanel,5);
        // MD 8/7 only after fixGrid
        Utility.setInsets(bottomPanel,x,new Insets(20,20,2,2));
        Utility.setInsets(bottomPanel,x1,new Insets(20,20,2,20));

        add(bottomPanel);

        Panel copyrightPanel = new Panel();
        addWithFont (copyrightPanel,new Label(copyrightString, Label.LEFT),
                     Utility.creditFont);
        addWithFont (copyrightPanel,new Label(copyrightString2, Label.LEFT),
                     Utility.creditFont);
        Utility.fixGrid(copyrightPanel,1);
        add(copyrightPanel);

    }

    private Object createObject(Choice typeMenu, TextField textField )
    {
        int type = typeMenu.getSelectedIndex();
        String text = textField.getText();

        Object result = null;

        try {
            if (type == NUMBER || type == CHOICE)
            {
                result = new Double(text);
            }
            else if (type == DATE)
            {
	      // Still use the deprecated new Date(text) until 
	      // the DateFormat.parse(text) is working properly.
	      result = new Long( (new Date(text)).getTime() + 1);
	      // 1 millisecond was added to display the date correctly.
	      // This is done to fix the following scenario, eg,
	      // "27 Sept 96" ==> "26 Sept 96 12:00 AM PDT" which is
	      // equvalent to "27 Sept 96 00:00 AM PDT".  -- CLH 9/27/96
            }
            else if (type == NONE)
            {
                result = text;
            }
        }
        catch (RuntimeException e) {
        }
        return result;
    }

    private void errorText(String s)
    {
        if (DEBUG)
        {
           System.out.println(s);

        }
    }
    private static final String creditString =
        "v1.1a7, Demos";
    private static final String copyrightString =
        "";
    private static final String copyrightString2 =
        "";
    private static final int FIELD_COLUMNS = 60;

    static private final int NUMBER = 0;
    static private final int DATE = 1;
    static private final int CHOICE = 2;
    static private final int NONE = 3;

    private static final boolean DEBUG = false;

    private Locale[] locales;

    private DemoApplet applet;

    private ChoiceFormat choiceFormat;    // XXX
}

// MD 8/7 whole class, from Ralf. Use different name!
class XBorderPanel extends Panel
{
   /**
    * Panel shadow border width
    */
   protected int shadow = 4;

   /**
    * Panel raised vs depressed look
    */
   protected boolean raised = true;

    public XBorderPanel() {
        this.raised=true;
    }

    public XBorderPanel(boolean raised) {
        this.raised=raised;
    }


   /**
    * Re-layout parent. Called when a panel changes
    * size etc.
    */
   protected void layoutParent() {
      Container parent = getParent();
      if (parent != null) {
     parent.doLayout();
      }
   }

   public void paint(Graphics g) {
        super.paint(g);
        Dimension size = getSize();
        paintBorder(g, size);
    }

   protected void paintBorder(Graphics g, Dimension size) {
      Color c = getBackground();
      g.setColor(c);
      g.fillRect(0, 0, size.width, size.height);
      draw3DRect(g, 0, 0, size.width, size.height, raised);
   }

   /**
    * Draw a 3D Rectangle.
    * @param g the specified Graphics window
    * @param x, y, width, height
    * @param raised - true if border should be painted as raised.
    * @see #paint
    */
   public void draw3DRect(Graphics g, int x, int y, int width, int height,
              boolean raised) {
      Color c = g.getColor();
      Color brighter = avgColor(c,Color.white);
      Color darker = avgColor(c,Color.black);


      // upper left corner
      g.setColor(raised ? brighter : darker);
      for (int i=0; i<shadow; i++) {
      g.drawLine(x+i, y+i, x+width-1-i, y+i);
      g.drawLine(x+i, y+i, x+i, y+height-1-i);
      }
      // lower right corner
      g.setColor(raised ? darker : brighter);
      for (int i=0; i<shadow; i++) {
      g.drawLine(x+i, y+height-1-i, x+width-1-i, y+height-1-i);
      g.drawLine(x+width-1-i, y+height-1-i, x+width-1-i, y+i);
      }
      g.setColor(c);
      // added by rip.
      g.setColor(Color.black);
      g.drawRect(x,y,width+2,height+2);

   }

   public static Color avgColor(Color c1, Color c2) {
    return new Color(
        (c1.getRed()+c2.getRed())/2,
        (c1.getGreen()+c2.getGreen())/2,
        (c1.getBlue()+c2.getBlue())/2
        );
   }

}