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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [javax/] [swing/] [LayoutFocusTraversalPolicy.java] - Blame information for rev 772

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1 772 jeremybenn
/* LayoutFocusTraversalPolicy.java --
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   Copyright (C) 2005  Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING.  If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library.  Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module.  An independent module is a module which is not derived from
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or based on this library.  If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so.  If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing;
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import java.awt.Component;
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import java.io.Serializable;
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import java.util.Comparator;
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/**
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 * @author Graydon Hoare
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 * @author Michael Koch
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 *
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 * @since 1.4
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 */
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public class LayoutFocusTraversalPolicy
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  extends SortingFocusTraversalPolicy
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  implements Serializable
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{
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  private static class LayoutComparator
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    implements Comparator
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  {
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    public LayoutComparator()
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    {
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      // Do nothing here.
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    }
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    public int compare(Object o1, Object o2)
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    {
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      Component comp1 = (Component) o1;
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      Component comp2 = (Component) o2;
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      int x1 = comp1.getX();
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      int y1 = comp1.getY();
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      int x2 = comp2.getX();
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      int y2 = comp2.getY();
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      if (x1 == x2 && y1 == y2)
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        return 0;
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      if ((y1 < y2) || ((y1 == y2) && (x1 < x2)))
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        return -1;
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      return 1;
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    }
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  }
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  private static final long serialVersionUID = 4312146927238881442L;
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  public LayoutFocusTraversalPolicy()
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  {
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    super(new LayoutComparator());
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  }
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}

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