content: // This file is part of AceWiki.
  // Copyright 2008-2013, AceWiki developers.
  // 
  // AceWiki 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 3 of
  // the License, or (at your option) any later version.
  // 
  // AceWiki 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 AceWiki. If
  // not, see http://www.gnu.org/licenses/.
  
  package ch.uzh.ifi.attempto.echocomp;
  
  import nextapp.echo.app.Extent;
  import nextapp.echo.app.WindowPane;
  
  /**
   * This class represents a general Echo window.
   * 
   * @author Kaarel Kaljurand
   */
  public class GeneralWindow extends WindowPane {
  
  	private static final long serialVersionUID = 3862130026472878855L;
  
  	/**
  	 * Center this window with respect to the given parent.
  	 * 
  	 * @param parent The parent window.
  	 */
  	public void setCentered(WindowPane parent) {
  		if (parent != null && parent.getPositionX() != null) {
  			int px = parent.getPositionX().getValue();
  			int py = parent.getPositionY().getValue();
  			int pw = parent.getWidth().getValue();
  			int ph = parent.getHeight().getValue();
  			setPositionX(new Extent(px + (pw - getWidth().getValue())/2));
  			setPositionY(new Extent(py + (ph - getHeight().getValue())/2));
  		}
  	}
  
  }
  