CIT 591 Swing Layout Examples
Fall 2004, David Matuszek |
Source code for the following examples is available as SwingLayoutExamples.zip.
http://www.cis.upenn.edu/~matuszek/cit591-2004/Pages/layout-examples.html
| FlowLayout |
import java.awt.*;
import java.applet.*;
import javax.swing.*;
public class FlowLayoutExample extends JApplet {
public void init () {
getContentPane().setLayout(new FlowLayout ());
getContentPane().add(new JButton("One"));
getContentPane().add(new JButton("Two"));
getContentPane().add(new JButton("Three"));
getContentPane().add(new JButton("Four"));
getContentPane().add(new JButton("Five"));
getContentPane().add(new JButton("Six"));
}
} |  |
| GridLayout |
import java.awt.*;
import java.applet.*;
import javax.swing.*;
public class GridLayoutExample extends JApplet {
public void init() {
Container c = getContentPane();
c.setLayout(new GridLayout(2, 4));
c.add(new JButton("One"));
c.add(new JButton("Two"));
c.add(new JButton("Three"));
c.add(new JButton("Four"));
c.add(new JButton("Five"));
}
} |  |
| BorderLayout (Applet) |
import java.awt.*;
import java.applet.*;
import javax.swing.*;
public class BorderLayoutExample extends JApplet {
public void init() {
Container c = getContentPane();
c.setLayout(new BorderLayout());
c.add(new JButton("One"), BorderLayout.NORTH);
c.add(new JButton("Two"), BorderLayout.WEST);
c.add(new JButton("Three"), BorderLayout.CENTER);
c.add(new JButton("Four"), BorderLayout.EAST);
c.add(new JButton("Five"), BorderLayout.SOUTH);
c.add(new JButton("Six"), BorderLayout.SOUTH);
}
} |  |
| BorderLayout (Application) |
import java.awt.*;
// import java.applet.*;
import javax.swing.*;
public class BorderLayoutExample2 extends JFrame {
public static void main(String[] args) {
BorderLayoutExample2 frame = new BorderLayoutExample2();
frame.doSomething();
}
void doSomething() {
Container c = getContentPane();
c.setLayout(new BorderLayout());
c.add(new JButton("One"), BorderLayout.NORTH);
c.add(new JButton("Two"), BorderLayout.WEST);
c.add(new JButton("Three"), BorderLayout.CENTER);
c.add(new JButton("Four"), BorderLayout.EAST);
c.add(new JButton("Five"), BorderLayout.SOUTH);
c.add(new JButton("Six"), BorderLayout.SOUTH);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
pack();
setVisible(true);
}
} |  |
| Nesting Panels |
import java.awt.*;
import javax.swing.*;
public class FunWithPanels extends JFrame {
public static void main(String[] args) {
FunWithPanels frame = new FunWithPanels();
frame.doSomething();
}
void doSomething() {
Container c = getContentPane();
JPanel p1 = new JPanel();
p1.setLayout(new BorderLayout());
p1.add(new JButton("A"), BorderLayout.NORTH);
p1.add(new JButton("B"), BorderLayout.WEST);
p1.add(new JButton("C"), BorderLayout.CENTER);
p1.add(new JButton("D"), BorderLayout.EAST);
p1.add(new JButton("E"), BorderLayout.SOUTH);
JPanel p2 = new JPanel();
p2.setLayout(new GridLayout(3, 2));
p2.add(new JButton("F"));
p2.add(new JButton("G"));
p2.add(new JButton("H"));
p2.add(new JButton("I"));
p2.add(new JButton("J"));
p2.add(new JButton("K"));
JPanel p3 = new JPanel();
p3.setLayout(new BoxLayout(p3, BoxLayout.Y_AXIS));
p3.add(new JButton("L"));
p3.add(new JButton("M"));
p3.add(new JButton("N"));
p3.add(new JButton("O"));
p3.add(new JButton("P"));
c.setLayout(new BorderLayout());
c.add(p1, BorderLayout.CENTER);
c.add(p2, BorderLayout.SOUTH);
c.add(p3, BorderLayout.EAST);
pack();
setVisible(true);
}
} |  |
