Java tutorial
/* * Copyright (C) 2001-2004 Colin Bell * colbell@users.sourceforge.net * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ import java.awt.Component; import java.awt.Container; import java.awt.Dimension; import java.awt.FontMetrics; import java.awt.Frame; import java.awt.GraphicsConfiguration; import java.awt.GraphicsDevice; import java.awt.GraphicsEnvironment; import java.awt.Insets; import java.awt.Point; import java.awt.Rectangle; import java.awt.Toolkit; import java.awt.Window; import java.awt.geom.Rectangle2D; import java.beans.PropertyVetoException; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JInternalFrame; import javax.swing.SwingUtilities; /** * Common GUI utilities accessed via static methods. * * @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A> */ public class GUIUtils { public static void moveToFront(final JInternalFrame fr) { if (fr != null) { processOnSwingEventThread(new Runnable() { public void run() { fr.moveToFront(); fr.setVisible(true); try { fr.setSelected(true); if (fr.isIcon()) { fr.setIcon(false); } fr.setSelected(true); } catch (PropertyVetoException ex) { } fr.requestFocus(); } }); } } public static void processOnSwingEventThread(Runnable todo) { processOnSwingEventThread(todo, false); } public static void processOnSwingEventThread(Runnable todo, boolean wait) { if (todo == null) { throw new IllegalArgumentException("Runnable == null"); } if (wait) { if (SwingUtilities.isEventDispatchThread()) { todo.run(); } else { try { SwingUtilities.invokeAndWait(todo); } catch (Exception ex) { throw new RuntimeException(ex); } } } else { if (SwingUtilities.isEventDispatchThread()) { todo.run(); } else { SwingUtilities.invokeLater(todo); } } } }