X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fnet%2Fpterodactylus%2Futil%2Fswing%2FSwingUtils.java;h=b5300441e5fe2d2f568b63b485349e0a3a90d81b;hb=8eab1a3975c251c4820988f3fdecbf9b113d9171;hp=b1077766f27f4dba9debe1896a8f442f6a5a93bb;hpb=23aa0ec9da5f8a3e2eefaf2343bc68b88a29096a;p=jSite2.git

diff --git a/src/net/pterodactylus/util/swing/SwingUtils.java b/src/net/pterodactylus/util/swing/SwingUtils.java
index b107776..b530044 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;
 
@@ -27,10 +29,21 @@ import java.awt.Window;
  * Helper utilities for working with Swing.
  * 
  * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
- * @version $Id$
  */
 public class SwingUtils {
 
+	/** The screen size. */
+	private static Dimension screenDimension = Toolkit.getDefaultToolkit().getScreenSize();
+
+	/**
+	 * Returns the size of the screen.
+	 * 
+	 * @return The size of the screen
+	 */
+	public static Dimension getScreenSize() {
+		return new Dimension(screenDimension);
+	}
+
 	/**
 	 * Centers the given window on the screen.
 	 * 
@@ -38,9 +51,33 @@ public class SwingUtils {
 	 *            The window to center
 	 */
 	public static void center(Window window) {
-		Dimension screenDimension = Toolkit.getDefaultToolkit().getScreenSize();
 		Dimension frameDimension = window.getSize();
 		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);
+	}
+
 }