Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.awt.Component;
import java.awt.Dialog;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.Window;

public class Main {
    public static Window showCentered(Component parent, Window window) {
        if (null == window)
            throw new IllegalArgumentException("window null");

        if (window instanceof Dialog) {
            Dialog dialog = (Dialog) window;

            boolean isResizable = dialog.isResizable();

            dialog.setResizable(true);
            dialog.pack();
            dialog.setResizable(isResizable);
        } else {
            window.pack();
        }

        Dimension windowSize = window.getPreferredSize();

        int newX;
        int newY;

        if (null == parent) {
            Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();

            newX = (screen.width - windowSize.width) / 2;
            newY = (screen.height - windowSize.height) / 2;
        } else {
            Dimension parentSize = parent.getSize();
            Point loc = parent.getLocation();

            newX = (parentSize.width - windowSize.width) / 2 + loc.x;
            newY = (parentSize.height - windowSize.height) / 2 + loc.y;

            if (0 > newX)
                newX = 0;
            if (0 > newY)
                newY = 0;
        }

        window.setLocation(newX, newY);
        window.setVisible(true);

        return window;
    }

    public static Window showCentered(Window window) {
        return showCentered(null, window);
    }
}