Java JDialog disposeOnClose(javax.swing.JDialog d)

Description

Arranges for clearing the content pane of the dialog when it is closed.

License

Open Source License

Declaration

public static javax.swing.JDialog disposeOnClose(javax.swing.JDialog d) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (C) 2006-2013 AITIA International, Inc.
 * // ww w  . j a  v  a2 s . c o  m
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/

public class Main {
    /** 
     * Arranges for clearing the content pane of the dialog when it is closed.
     * This is a workaround for Swing's memory leaks (Swing usually retains 
     * a reference to the closed dialog.)
     */
    public static javax.swing.JDialog disposeOnClose(javax.swing.JDialog d) {
        d.setDefaultCloseOperation(javax.swing.JDialog.DISPOSE_ON_CLOSE);
        d.addWindowListener(new java.awt.event.WindowAdapter() {
            @Override
            public void windowClosing(java.awt.event.WindowEvent e) {
                javax.swing.JDialog d2 = (javax.swing.JDialog) e.getSource();
                d2.removeWindowListener(this);
                d2.setContentPane(new javax.swing.JPanel()); // clear the content pane
            }
        });
        return d;
    }
}

Related

1. closeDialog(final JDialog dialog)
2. commonFileDialog(JDialog parent, boolean save)
3. configureCancelForDialog(final JDialog dialog, JButton cancelButton)
4. decorate(JDialog dialog, int type)
5. displayInDialog(JComponent comp, JDialog result)
6. enableAllComponents(final boolean enable, final JDialog parent)
7. enableAllComponentsExcept(final boolean enable, final JDialog parent, final Component... components)
8. endTask(javax.swing.JDialog jp)
9. findJDialog(Component c)