GridBagWithAnchor.java Source code

Java tutorial

Introduction

Here is the source code for GridBagWithAnchor.java

Source

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class GridBagWithAnchor {

    public static void main(String[] args) {
        JFrame f = new JFrame("Demonstrates the use of anchor constraints");
        JPanel p = new JPanel(new GridBagLayout());

        p.setLayout(new GridBagLayout());
        GridBagConstraints c = new GridBagConstraints();
        c.insets = new Insets(2, 2, 2, 2);
        c.weighty = 1.0;
        c.weightx = 1.0;
        c.gridx = 0;
        c.gridy = 0;
        c.gridheight = 2;
        c.anchor = GridBagConstraints.NORTH; // place component on the North
        p.add(new JButton("Java"), c);
        c.gridx = 1;
        c.gridheight = 1;
        c.gridwidth = 2;
        c.anchor = GridBagConstraints.SOUTHWEST;
        p.add(new JButton("Source"), c);
        c.gridy = 1;
        c.gridwidth = 1;
        c.anchor = GridBagConstraints.CENTER; // remember to rest to center
        p.add(new JButton("and"), c);
        c.gridx = 2;
        p.add(new JButton("Support !!!"), c);

        WindowListener wndCloser = new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        };
        f.addWindowListener(wndCloser);

        f.getContentPane().add(p);
        f.setSize(600, 200);
        f.show();
    }
}