Java JDialog Center packInCenter(JDialog dialog)

Description

pack the dialog in the center of the screen

License

Open Source License

Parameter

Parameter	Description
dialog	The dialog

Declaration

public static void packInCenter(JDialog dialog) 

Method Source Code

//package com.java2s;
/*/*from   w  w w  . j  a va2  s .  c  o  m*/
 * Copyright 1997-2016 Unidata Program Center/University Corporation for
 * Atmospheric Research, P.O. Box 3000, Boulder, CO 80307,
 * support@unidata.ucar.edu.
 * 
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or (at
 * your option) any later version.
 * 
 * This library 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 Lesser
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

import java.awt.Component;

import java.awt.Dimension;

import java.awt.Point;

import java.awt.Toolkit;

import javax.swing.JDialog;

public class Main {
    /**
     * pack  the dialog in the center of the screen
     *
     * @param dialog The dialog
     */
    public static void packInCenter(JDialog dialog) {
        dialog.pack();
        Point center = getLocation(null);
        int x = center.x - dialog.getWidth() / 2;
        int y = center.y - dialog.getHeight() / 2;
        if (x < 20) {
            x = 20;
        }
        if (y < 20) {
            y = 20;
        }
        dialog.setLocation(x, y);

    }

    /**
     * Find the location of the given componet on the screen. If any
     * errors then return the screen center - 100
     *
     * @param src Source component
     * @return Location on screen
     */
    public static Point getLocation(Component src) {
        if (src != null) {
            try {
                return src.getLocationOnScreen();
            } catch (Exception exc) {
            }
        }
        Dimension ss = Toolkit.getDefaultToolkit().getScreenSize();
        return new Point(ss.width / 2 - 100, ss.height / 2 - 100);
    }
}

Related

1. centerWindow(JDialog dialog)
2. centrarVentana(JDialog pDialog)
3. getCentralDialogLocation(Component parent, JDialog dialog)
4. getCentredDialogBounds(JDialog dialog, Component parent, int defaultWidth, int defaultHeight)
5. packAndCenterJDialog(JDialog form)
6. resizeAndCenter(JDialog dialog, double factor)
7. setDialogCenter(JDialog frame)
8. setDialogWindowToCenter(JDialog dialog)
9. showCenteredDialog(final JDialog dialog)