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package example;
import java.awt.Font;
import java.awt.Frame;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.JButton;
import layout.TableLayout;
public class GridBagVersusTable {
protected static void makeButton
(Frame frame, String name, GridBagLayout gridbag,
GridBagConstraints c) {
JButton button = new JButton(name);
gridbag.setConstraints(button, c);
frame.add(button);
}
protected static Frame showGridBagWindow() {
// Create layout and contraints object
GridBagLayout gridbag = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
// Create frame
Frame frame = new Frame("GridBagLayout");
frame.setFont(new Font("Helvetica", Font.PLAIN, 14));
frame.setLayout(gridbag);
// Create buttons, add buttons, and apply constraints
c.fill = GridBagConstraints.BOTH;
c.weightx = 1.0;
makeButton(frame, "Button1", gridbag, c);
makeButton(frame, "Button2", gridbag, c);
makeButton(frame, "Button3", gridbag, c);
c.gridwidth = GridBagConstraints.REMAINDER; //end of row
makeButton(frame, "Button4", gridbag, c);
c.weightx = 0.0; //reset to the default
makeButton(frame, "Button5", gridbag, c); //another row
c.gridwidth = GridBagConstraints.RELATIVE; //next-to-last in row
makeButton(frame, "Button6", gridbag, c);
c.gridwidth = GridBagConstraints.REMAINDER; //end of row
makeButton(frame, "Button7", gridbag, c);
c.gridwidth = 1; //reset to the default
c.gridheight = 2;
c.weighty = 1.0;
makeButton(frame, "Button8", gridbag, c);
c.weighty = 0.0; //reset to the default
c.gridwidth = GridBagConstraints.REMAINDER; //end of row
c.gridheight = 1; //reset to the default
makeButton(frame, "Button9", gridbag, c);
makeButton(frame, "Button10", gridbag, c);
// Show frame
frame.pack();
frame.setLocation(0, 10);
frame.show();
return frame;
}
protected static Frame showTableWindow() {
// Create frame
Frame frame = new Frame("TableLayout");
frame.setFont(new Font("Helvetica", Font.PLAIN, 14));
// Set layout
double f = TableLayout.FILL;
double p = TableLayout.PREFERRED;
double size[][] = {{f, f, f, f}, {p, p, p, p, f}};
TableLayout layout = new TableLayout(size);
frame.setLayout(layout);
// Create buttons labeled Button1 to Button10
int numButton = 10;
JButton button[] = new JButton[numButton + 1];
for (int i = 1; i <= numButton; i++) {
button[i] = new JButton("Button" + i);
}
// Add buttons
frame.add(button[1], "0, 0");
frame.add(button[2], "1, 0");
frame.add(button[3], "2, 0");
frame.add(button[4], "3, 0");
frame.add(button[5], "0, 1, 3, 1");
frame.add(button[6], "0, 2, 2, 2");
frame.add(button[7], "3, 2, 3, 2");
frame.add(button[8], "0, 3, 0, 4");
frame.add(button[9], "1, 3, 3, 3");
frame.add(button[10], "1, 4, 3, 4");
// Show frame
frame.pack();
frame.setLocation(400, 10);
frame.show();
return frame;
}
public static void main(String args[]) {
WindowListener listener =
(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
}
);
Frame frame = showGridBagWindow();
frame.addWindowListener(listener);
frame = showTableWindow();
frame.addWindowListener(listener);
}
}
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