import java.awt.BorderLayout;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.TransferHandler;
public class DragLabel {
public static void main(String args[]) {
JFrame frame = new JFrame("Drag Label");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JLabel label = new JLabel("Hello, World");
label.setTransferHandler(new TransferHandler("foreground"));
MouseListener listener = new MouseAdapter() {
public void mousePressed(MouseEvent me) {
JComponent comp = (JComponent) me.getSource();
TransferHandler handler = comp.getTransferHandler();
handler.exportAsDrag(comp, me, TransferHandler.COPY);
}
};
label.addMouseListener(listener);
frame.add(label, BorderLayout.SOUTH);
JTextField text = new JTextField();
frame.add(text, BorderLayout.NORTH);
frame.setSize(300, 150);
frame.setVisible(true);
}
}
To drag the foreground color
label.setTransferHandler(new TransferHandler("foreground"));