From: David ‘Bombe’ Roden <bombe@pterodactylus.net>
Date: Sat, 5 Apr 2008 17:27:25 +0000 (+0000)
Subject: add method to repack and recenter window
X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=d4c6cfca50b43ce26f937132e046d54830dd6daf;p=jSite2.git

add method to repack and recenter window

git-svn-id: http://trooper/svn/projects/jSite/trunk@610 c3eda9e8-030b-0410-8277-bc7414b0a119
---

diff --git a/src/net/pterodactylus/util/swing/SwingUtils.java b/src/net/pterodactylus/util/swing/SwingUtils.java
index b107776..103297b 100644
--- a/src/net/pterodactylus/util/swing/SwingUtils.java
+++ b/src/net/pterodactylus/util/swing/SwingUtils.java
@@ -20,6 +20,8 @@
 package net.pterodactylus.util.swing;
 
 import java.awt.Dimension;
+import java.awt.Point;
+import java.awt.Rectangle;
 import java.awt.Toolkit;
 import java.awt.Window;
 
@@ -43,4 +45,29 @@ public class SwingUtils {
 		window.setLocation((screenDimension.width - frameDimension.width) >> 1, (screenDimension.height - frameDimension.height) >> 1);
 	}
 
+	/**
+	 * {@link Window#pack() Packs} the given window and positions it so that its
+	 * center stays the same.
+	 * 
+	 * @param window
+	 *            The window to pack and recenter
+	 */
+	public static void repackCentered(Window window) {
+		Point center = getCenter(window.getBounds());
+		window.pack();
+		window.setLocation((center.x - window.getWidth() / 2), (center.y - window.getHeight() / 2));
+		window.repaint();
+	}
+
+	/**
+	 * Returns the center of the given rectangle.
+	 * 
+	 * @param bounds
+	 *            The rectangle which center to get
+	 * @return The center of the rectangle
+	 */
+	private static Point getCenter(Rectangle bounds) {
+		return new Point(bounds.x + bounds.width / 2, bounds.y + bounds.height / 2);
+	}
+
 }