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package example;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import layout.TableLayout;
public class TypicalGui extends JFrame
{
public static void main (String args[])
{
new TypicalGui();
}
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);;
}
}
}
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