!7

lib 1007242 // TableLayout

import layout.TableLayout;

p-awt-noconsole {

  new TypicalGui;

}

sclass TypicalGui extends JFrame

{

    public TypicalGui ()

    {

        super ("A Typical GUI");

        Container pane = getContentPane();

        double b = 10;

        double f = TableLayout.FILL;

        double p = TableLayout.PREFERRED;

        double size[][] = {{b, f, 5, p, 5, p, b}, {p, b, f, 10, p, b}};

        TableLayout layout = new TableLayout(size);

        pane.setLayout (layout);

        addMenu(pane);

        addCommandButtons(pane, layout);

        addColorBoxes(pane, layout);

        addTextArea(pane, layout);

        allowClosing();

        setSize (640, 480);

        show();

    }

    public void addMenu (Container pane)

    {

        JMenuBar menuBar = new JMenuBar();

        String menuText[] = {"File", "Edit", "View", "Help"};

        String itemText[][] =

            {{"New", "Open", "Save", "Print", "Exit"},

             {"Cut", "Copy", "Paste"},

             {"Zoom in", "Zoom out"},

             {"About", "Index", "Search"}};

        for (int i = 0; i < menuText.length; i++)

        {

            JMenu menu = new JMenu(menuText[i]);

            menuBar.add (menu);

            for (int j = 0; j < itemText[i].length; j++)

            {

                JMenuItem item = new JMenuItem(itemText[i][j]);

                menu.add (item);

            }

        }

        pane.add (menuBar, "0, 0, 6, 0");

    }

    public void addCommandButtons (Container pane, TableLayout layout)

    {

        JPanel buttonPanel = new JPanel();

        pane.add (buttonPanel, "1, 4, 5, 4");

        for (int i = 1; i <= 5; i++)

        {

            JButton button = new JButton("Button " + i);

            buttonPanel.add (button);

        }

    }

    public void addColorBoxes (Container pane, TableLayout layout)

    {

        Color color[][] =

            {{Color.white, Color.black},

             {Color.green, Color.blue},

             {Color.red, Color.yellow},

             {Color.pink, Color.orange},

             {Color.magenta, Color.cyan}};

        for (int i = 0; i < color.length; i++)

        {

            // Add a row for spacing and a row for the color boxes

            layout.insertRow (2, TableLayout.PREFERRED);

            layout.insertRow (2, 5);

            // Add color boxes

            pane.add (new ColorBox(color[i][0]), "3, 3");

            pane.add (new ColorBox(color[i][1]), "5, 3");

        }

        // Remove the unnecessary leading space

        layout.deleteRow (2);

    }

    public void addTextArea (Container pane, TableLayout layout)

    {

        int numRow = layout.getRow().length;

        JTextPane textArea = new JTextPane();

        pane.add (textArea, "1, 2, 1, " + (numRow - 4));

    }

    public void allowClosing ()

    {

        addWindowListener

            (new WindowAdapter()

                {

                    public void windowClosing (WindowEvent e)

                    {

                        System.exit (0);

                    }

                }

            );

    }

    //**************************************************************************

    //*** Inner classes                                                      ***

    //**************************************************************************

    protected class ColorBox extends Component

    {

        protected Color color;

        protected ColorBox (Color color)

        {

            this.color = color;

        }

        public void update (Graphics g)

        {

            paint (g);

        }

        public void paint (Graphics g)

        {

            Dimension d = getSize();

            g.setColor (Color.black);

            g.drawRect (0, 0, d.width - 1, d.height - 1);

            g.setColor (color);

            g.fillRect (1, 1, d.width - 1, d.height - 1);

        }

        public Dimension getPreferredSize ()

        {

            return new Dimension(40, 20);

        }

    }

}