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import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import javax.swing.SwingUtilities;
import javax.swing.border.LineBorder;
public class TestFrame {
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
JFrame f = new JFrame("Test GridBagLayout");
f.getContentPane().add(new MonPanel(), BorderLayout.CENTER );
f.setSize(700, 300);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setVisible(true);
}
});
}
}
class MonPanel extends JPanel {
private static final long serialVersionUID = 1L;
private class MaProgressBar extends JProgressBar{
Dimension dim = new Dimension(140, 23);
public MaProgressBar() {
setMinimumSize(dim);
setMaximumSize(dim);
setPreferredSize(dim);
setBackground(Color.BLUE);
setBorder(new LineBorder(Color.BLACK));
}
}
public MonPanel() {
setLayout(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
gbc.insets = new Insets(5, 5, 5, 5);
gbc.gridx = 0;
gbc.gridy = 0;
add(new MaProgressBar(), gbc);
gbc.gridx = 1;
gbc.gridy = 0;
add(new MaProgressBar(), gbc);
gbc.gridx = 2;
gbc.gridy = 0;
add(new MaProgressBar(), gbc);
gbc.gridx = 3;
gbc.gridy = 0;
add(new MaProgressBar(), gbc);
}
} |
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