// This example is from _Java Examples in a Nutshell_. (http://www.oreilly.com)
// Copyright (c) 1997 by David Flanagan
// This example is provided WITHOUT ANY WARRANTY either expressed or implied.
// You may study, use, modify, and distribute it for non-commercial purposes.
// For any commercial use, see http://www.davidflanagan.com/javaexamples

import java.applet.*;
import java.awt.*;

public class GridBagLayoutExample extends Applet {
  public void init() {
    // Create and specify a layout manager
    this.setLayout(new GridBagLayout());

    // Create a constraints object, and specify some default values
    GridBagConstraints c = new GridBagConstraints();
    c.fill = GridBagConstraints.BOTH;  // components grow in both dimensions
    c.insets = new Insets(5,5,5,5);    // 5-pixel margins on all sides

    // Create and add a bunch of buttons, specifying different grid
    // position, and size for each.
    // Give the first button a resize weight of 1.0 and all others
    // a weight of 0.0.  The first button will get all extra space.
    c.gridx = 0; c.gridy = 0; c.gridwidth = 4; c.gridheight=4;
    c.weightx = c.weighty = 1.0;
    this.add(new Button("Button #1"), c);

    c.gridx = 4; c.gridy = 0; c.gridwidth = 1; c.gridheight=1;
    c.weightx = c.weighty = 0.0;
    this.add(new Button("Button #2"), c);

    c.gridx = 4; c.gridy = 1; c.gridwidth = 1; c.gridheight=1;
    this.add(new Button("Button #3"), c);

    c.gridx = 4; c.gridy = 2; c.gridwidth = 1; c.gridheight=2;
    this.add(new Button("Button #4"), c);

    c.gridx = 0; c.gridy = 4; c.gridwidth = 1; c.gridheight=1;
    this.add(new Button("Button #5"), c);

    c.gridx = 2; c.gridy = 4; c.gridwidth = 1; c.gridheight=1;
    this.add(new Button("Button #6"), c);

    c.gridx = 3; c.gridy = 4; c.gridwidth = 2; c.gridheight=1;
    this.add(new Button("Button #7"), c);

    c.gridx = 1; c.gridy = 5; c.gridwidth = 1; c.gridheight=1;
    this.add(new Button("Button #8"), c);

    c.gridx = 3; c.gridy = 5; c.gridwidth = 1; c.gridheight=1;
    this.add(new Button("Button #9"), c);
  }
}