/**
 * File: CenterableDialog.java
 * Author: Brian Borowski
 * Date created: January 2006
 * Date last modified: November 27, 2010
 */
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Toolkit;

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

public class CenterableDialog extends JDialog implements Centerable {
    private static final long serialVersionUID = 1L;

    public CenterableDialog(final JFrame parent, final String title, final boolean isModal) {
        super(parent, title, isModal);
    }

    public void setCenter(final Container me, final JFrame parent) {
        final Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
        final int screenWidth = d.getSize().width,
            screenHeight = d.getSize().height - 27,
            parentWidth = parent.getSize().width,
            parentHeight = parent.getSize().height,
            w = me.getSize().width,
            h = me.getSize().height;
        final Point p = parent.getLocation(), setp = parent.getLocation();
        if (p.x < 0)
            setp.x = (parentWidth + p.x - w) / 2;
        else if (p.x + parentWidth > screenWidth)
            setp.x = p.x + (screenWidth - p.x - w) / 2;
        else
            setp.x = p.x + (parentWidth - w) / 2;

        if (p.y < 0)
            setp.y = (parentHeight + p.y - h) / 2;
        else if (p.y + parentHeight > screenHeight)
            setp.y = p.y + (screenHeight - p.y - h) / 2;
        else
            setp.y = p.y + (parentHeight - h) / 2;

        if (setp.x < 0)
            setp.x = 0;
        else if (setp.x + w > screenWidth)
            setp.x = screenWidth - w;

        if (setp.y < 0)
            setp.y = 0;
        else if (p.y + h > screenHeight)
            setp.y = screenHeight - h;
        setLocation(setp);
    }
}