import java.awt.*;
import javax.swing.*;
import javax.swing.event.*;
import com.zfqjava.swing.*;
import com.zfqjava.swing.cell.*;
public class InternalFrameDemo extends JDataGridBean {
    private JFrame frame;
    public InternalFrameDemo() {
	super();
    }
    public void showFrame() {
	frame = new JFrame();
	frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
	JDesktopPane desktop = new JDesktopPane();
	frame.getContentPane().setLayout(new BorderLayout());
	frame.getContentPane().add(desktop, BorderLayout.CENTER);
	frame.pack();
	frame.setSize(400, 300);
	frame.show();
	showInternalFrame(desktop);
    }	
    public void setDefaultCloseOperation(int operation) {
	super.setDefaultCloseOperation(operation);
	if(frame != null) {
	    frame.setDefaultCloseOperation(operation);
	}
    }
    public static void main(String[] args) {
	final InternalFrameDemo demo = new InternalFrameDemo();
	SwingUtilities.invokeLater(new Runnable() {
  		public void run() {	
		    demo.showFrame();
		    demo.setDefaultCloseOperation(JBean.EXIT_ON_CLOSE);
		    demo.getDataGrid().requestFocus();
		}
	    });
	
    }
}