JFrame interativo

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;



public class JanelaPrincipal extends JFrame {
	private JanelaMapa mapa;
	private Point coordenada;
	private Dimension tamanho;
	private boolean executar = false;
	private boolean processo = false;
	private boolean exibido = true;
	private JButton cmdexibir;
		
	public JanelaPrincipal() {
	
		super();
		setSize(500,500);
		setLayout(null);

		mapa = new JanelaMapa();	
		cmdexibir = new JButton("Esconder Mapa");
		cmdexibir.setBounds(100,100,250,250);
				

		getContentPane().add(cmdexibir);


				
	
		setVisible(true);
		setDefaultCloseOperation(EXIT_ON_CLOSE);
		mapa.setVisible(true);
		moverJanelaMapa();
				
		addComponentListener(new ComponentAdapter() {
			public void componentMoved(ComponentEvent e) {
				if (exibido) {
				moverJanelaMapa();
				}
			}
			
			public void componentResized(ComponentEvent e){
				if (exibido) {
				redimensionarJanela();				
				}

			}


		});

		addWindowListener(new WindowAdapter() {
			public void windowActivated(WindowEvent e) {
				if (exibido) {
				  if  (executar)  {
				      processo = true;
				      focarMapa();				
				  }
				}

			}


  			public void windowDeactivated(WindowEvent e) {
				if (exibido) {
				   if (!processo) {
				     executar = true;
				   }  
				 processo = false;	
				}
				
			}

			public void windowClosed(WindowEvent e) {
				mapa.dispose();				
			}

			public void windowClosing(WindowEvent e) {
				mapa.dispose();				

			}

		});

		mapa.addComponentListener(new ComponentAdapter() {
			public void componentMoved(ComponentEvent e) {
				moverJanelaPrincipal();
			}
			
		});

		cmdexibir.addActionListener(new ActionListener() {

			public void actionPerformed(ActionEvent e) {

				if (exibido) {
					cmdexibir.setText("Mostrar Mapa");
					exibido = false;
					mapa.setVisible(false);
				} else {
					cmdexibir.setText("Esconder Mapa");
					exibido = true;
					mapa.setVisible(true);
					moverJanelaPrincipal();
					redimensionarJanela();
				}
				

			}

		});

		toFront();

	}


	private void moverJanelaMapa() {
		coordenada = getLocation();	
		tamanho = getSize();
		mapa.setLocation((int) (coordenada.getX()+tamanho.getWidth()),(int) (coordenada.getY()));
	}

	private void moverJanelaPrincipal() {
		coordenada = mapa.getLocation();	
		tamanho = getSize();
		setLocation((int) (coordenada.getX()-tamanho.getWidth()),(int) (coordenada.getY()));
	}

	private void redimensionarJanela(){
		Dimension tela = Toolkit.getDefaultToolkit().getScreenSize();
		tamanho = getSize();
		
		if (tela.getWidth() < (tamanho.getWidth()+50)) {

			tamanho.setSize((int) tamanho.getHeight(),(int) (tamanho.getWidth()-50));
			setSize((int) tamanho.getHeight(),(int) tamanho.getWidth());		
		}

		mapa.setSize(50,(int)tamanho.getHeight());
		moverJanelaMapa();
		
	}

	private void focarMapa() {
			executar = false;
			mapa.toFront();	
			toFront();	
			
	}

	public static void main(String[] args){
		new JanelaPrincipal();	
	}

}



class JanelaMapa extends JDialog {
	
	public JanelaMapa() {
		super();
		setSize(50,500);
		setResizable(false);
		setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);		

		setLayout(new GridLayout(0,2));
		getContentPane().add(new JLabel("Caixa 1"));
		getContentPane().add(new JTextField());
		getContentPane().add(new JLabel("Caixa 2"));
		getContentPane().add(new JTextField());
		getContentPane().add(new JLabel("Caixa 3"));
		getContentPane().add(new JTextField());

		getContentPane().add(new JButton("Opcao 1"));
		getContentPane().add(new JButton("Opcao 2"));
		getContentPane().add(new JButton("Opcao 3"));
		getContentPane().add(new JButton("Opcao 4"));
		getContentPane().add(new JButton("Opcao 5"));
		getContentPane().add(new JButton("Opcao 6"));

	}



}