Mega Code Archive
A simple Bean which extends JLabel
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import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.Serializable;
import javax.swing.JLabel;
public class Colors extends JLabel implements Serializable {
transient private Color color; // not persistent
private boolean rectangular; // is persistent
public Colors() {
addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent me) {
change();
}
});
rectangular = false;
setSize(200, 100);
change();
}
public boolean getRectangular() {
return rectangular;
}
public void setRectangular(boolean flag) {
this.rectangular = flag;
repaint();
}
public void change() {
color = randomColor();
repaint();
}
private Color randomColor() {
int r = (int) (255 * Math.random());
int g = (int) (255 * Math.random());
int b = (int) (255 * Math.random());
return new Color(r, g, b);
}
public void paint(Graphics g) {
Dimension d = getSize();
int h = d.height;
int w = d.width;
g.setColor(color);
if (rectangular) {
g.fillRect(0, 0, w - 1, h - 1);
} else {
g.fillOval(0, 0, w - 1, h - 1);
}
}
}
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