Process On Swing Event Thread : SwingWorker « Swing JFC « Java

1. Java
2. Swing JFC
3. SwingWorker

Process On Swing Event Thread

    
/*
 * 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 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);
      }
    }
  }
}

   
    
    
    
  

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