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Java Tutorial » Swing » Modality 
14. 75. 2. Improved Dialog Modality

Mustang introduces different types of modality, in which you no longer use setModal but the new method setModalityType in the Dialog class to make a dialog modal.

Dialog.ModalityType is an enum in the java.awt package.

Its values are as follows:

  1. APPLICATION_MODAL. Blocks all windows in the same application except those with the modal dialog as their owner.
  2. DOCUMENT_MODAL. Makes all windows from the same document inaccessible, except those from the modal dialog's child hierarchy.
  3. MODELESS. Does not block any other windows.
  4. TOOLKIT_MODAL. Makes all windows from the same toolkit inaccessible, except those from the modal dialog's child hierarchy.
import java.awt.Dialog;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;

public class ApplicationModalDialogDemo {

  public static void main(String[] args) {
    final JFrame parent1 = new JFrame("Parent Frame 1");
    parent1.setLayout(new FlowLayout());
    parent1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JButton button = new JButton("Application modal dialog");
    button.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        JDialog dialog = new JDialog(parent1, "Application-Modal Dialog",
            Dialog.ModalityType.APPLICATION_MODAL);
        dialog.setBounds(200150200150);
        dialog.setVisible(true);
      }
    });
    parent1.add(button);
    parent1.setBounds(100100200150);
    parent1.setVisible(true);

    JFrame parent2 = new JFrame("Parent Frame 2");
    parent2.setBounds(500100200150);
    parent2.setVisible(true);
  }
}
14. 75. Modality
14. 75. 1. Four new AWT modality models introduced with the Java Mustang release.
14. 75. 2. Improved Dialog Modality
14. 75. 3. Dialog.ModalityType.DOCUMENT_MODAL
14. 75. 4. Modeless Dialog
14. 75. 5. Using modality exclusion
14. 75. 6. Demonstrating Modality Types
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