Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.awt.Dimension;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.Window;

import javax.swing.JDialog;

import javax.swing.JFrame;

public class Main {
    static public void centerOnParent(final Window child, final boolean absolute) {
        child.pack();
        boolean useChildsOwner = child.getOwner() != null
                ? ((child.getOwner() instanceof JFrame) || (child.getOwner() instanceof JDialog))
                : false;
        final Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        final Dimension parentSize = useChildsOwner ? child.getOwner().getSize() : screenSize;
        final Point parentLocationOnScreen = useChildsOwner ? child.getOwner().getLocationOnScreen()
                : new Point(0, 0);
        final Dimension childSize = child.getSize();
        childSize.width = Math.min(childSize.width, screenSize.width);
        childSize.height = Math.min(childSize.height, screenSize.height);
        child.setSize(childSize);
        int x;
        int y;
        if ((child.getOwner() != null) && child.getOwner().isShowing()) {
            x = (parentSize.width - childSize.width) / 2;
            y = (parentSize.height - childSize.height) / 2;
            x += parentLocationOnScreen.x;
            y += parentLocationOnScreen.y;
        } else {
            x = (screenSize.width - childSize.width) / 2;
            y = (screenSize.height - childSize.height) / 2;
        }
        if (!absolute) {
            x /= 2;
            y /= 2;
        }
        child.setLocation(x, y);
    }
}