JInternalFrame modal

/*
 * ModalInternalFrame.java
 *
 * Created on 28 de Abril de 2005, 15:38
 */

package br.com.solutec.gestor.gui.internal.empresa;

/**
 *
 * @author  Rodrigo Rocha
 */
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import java.beans.*;

public class ModalInternalFrame extends javax.swing.JInternalFrame {
    
    /** Creates new form ModalInternalFrame */
    public ModalInternalFrame() {
        initComponents();
    }

  public ModalInternalFrame(JRootPane rootPane, Component desktop) {
    initComponents();
    // create opaque glass pane
    final JPanel glass = new JPanel();
    glass.setOpaque(false);

    // Attach mouse listeners
    MouseInputAdapter adapter = 
      new MouseInputAdapter(){};
    glass.addMouseListener(adapter);
    glass.addMouseMotionListener(adapter);

    // Define close behavior
    PropertyChangeListener pcl = 
        new PropertyChangeListener() {
      public void propertyChange(PropertyChangeEvent 
          event) {
        if (isVisible() && 
          (event.getPropertyName().equals(
            JOptionPane.VALUE_PROPERTY) ||
           event.getPropertyName().equals(
            JOptionPane.INPUT_VALUE_PROPERTY))) {
          try {
            setClosed(true);
          } catch (PropertyVetoException ignored) {
          }
          ModalInternalFrame.this.setVisible(false);
          glass.setVisible(false);
        }
      }
    };
   
    putClientProperty("JInternalFrame.frameType",
      "optionDialog");

    // Size frame
    Dimension size = getPreferredSize();
    Dimension rootSize = desktop.getSize();

    setBounds((rootSize.width - size.width) / 2,
              (rootSize.height - size.height) / 2,
               size.width, size.height); 
    desktop.validate(); 
    try {
      setSelected(true);
    } catch (PropertyVetoException ignored) {
    }

    // Add modal internal frame to glass pane
    glass.add(this);

    // Change glass pane to our panel
    rootPane.setGlassPane(glass);

    // Show glass pane, then modal dialog
    glass.setVisible(true);
  }

  public void setVisible(boolean value) {
    super.setVisible(value);
    if (value) {
      startModal();
    } else {
      stopModal();
    }
  }

  private synchronized void startModal() {
    try {
      if (SwingUtilities.isEventDispatchThread()) {
        EventQueue theQueue = 
          getToolkit().getSystemEventQueue();
        while (isVisible()) {
          AWTEvent event = theQueue.getNextEvent();
          Object source = event.getSource();
          if (event instanceof ActiveEvent) {
            ((ActiveEvent)event).dispatch();
          } else if (source instanceof Component) {
            ((Component)source).dispatchEvent(
              event);
          } else if (source instanceof MenuComponent) {
            ((MenuComponent)source).dispatchEvent(
              event);
          } else {
            System.err.println(
              "Unable to dispatch: " + event);
          }
        }
      } else {
        while (isVisible()) {
          wait();
        }
      }
    } catch (InterruptedException ignored) {
    }
  }

  private synchronized void stopModal() {
    notifyAll();
  }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    private void initComponents() {
        jButton1 = new javax.swing.JButton();

        setClosable(true);
        setIconifiable(true);
        setTitle("Modal Internal Frame");
        setPreferredSize(new java.awt.Dimension(400, 200));
        jButton1.setText("jButton1");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        getContentPane().add(jButton1, java.awt.BorderLayout.CENTER);

        pack();
    }

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        stopModal();
    }
    
    
    // Variables declaration - do not modify
    private javax.swing.JButton jButton1;
    // End of variables declaration
    
}

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        stopModal();
    }