GUIUtils.java

package util;

import java.awt.Point;

import javax.swing.JFrame;

import components.MyFrame;

public class GUIUtils {


	/**
	 * Does the dirty work of figuring out where a <code>JFrame</code> should appear on the screen.
	 * Tries to find a location that would make the <code>JFrame</code> centered in <code>MyFrame</code>, the app's main window.
	 * 
	 * @return The recommended <code>Point</code> for the top left hand point of the <code>PreferencesFrame</code>
	 */
	public static Point chooseLocation(JFrame frame) {
		final Point p = MyFrame.getInstance().getLocationOnScreen();
		final int mfX = (int)p.getX();
		final int mfY = (int)p.getY();
		final int mfWidth = MyFrame.getInstance().getWidth();
		final int mfHeight = MyFrame.getInstance().getHeight();
		final int prefWidth = (int) frame.getSize().getWidth();
		final int prefHeight = (int) frame.getSize().getHeight();

		int prefX = 0;
		int prefY = 0;

		if(mfWidth < prefWidth) {
			prefX = mfX;
		}
		else {
			prefX = mfX + (mfWidth - prefWidth)/2;
		}
		if(mfHeight < prefHeight) {
			prefY = mfY;
		}
		else {
			prefY = mfY + (mfHeight - prefHeight)/2;
		}
		return new Point(prefX, prefY);
	}
}