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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/javax/swing/LayoutFocusTraversalPolicy.java | |
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Diffstat (limited to 'libjava/classpath/javax/swing/LayoutFocusTraversalPolicy.java')
-rw-r--r-- | libjava/classpath/javax/swing/LayoutFocusTraversalPolicy.java | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/LayoutFocusTraversalPolicy.java b/libjava/classpath/javax/swing/LayoutFocusTraversalPolicy.java new file mode 100644 index 000000000..335bc265d --- /dev/null +++ b/libjava/classpath/javax/swing/LayoutFocusTraversalPolicy.java @@ -0,0 +1,89 @@ +/* LayoutFocusTraversalPolicy.java -- + Copyright (C) 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package javax.swing; + +import java.awt.Component; +import java.io.Serializable; +import java.util.Comparator; + +/** + * @author Graydon Hoare + * @author Michael Koch + * + * @since 1.4 + */ +public class LayoutFocusTraversalPolicy + extends SortingFocusTraversalPolicy + implements Serializable +{ + private static class LayoutComparator + implements Comparator + { + public LayoutComparator() + { + // Do nothing here. + } + + public int compare(Object o1, Object o2) + { + Component comp1 = (Component) o1; + Component comp2 = (Component) o2; + + int x1 = comp1.getX(); + int y1 = comp1.getY(); + int x2 = comp2.getX(); + int y2 = comp2.getY(); + + if (x1 == x2 && y1 == y2) + return 0; + + if ((y1 < y2) || ((y1 == y2) && (x1 < x2))) + return -1; + + return 1; + } + } + + private static final long serialVersionUID = 4312146927238881442L; + + public LayoutFocusTraversalPolicy() + { + super(new LayoutComparator()); + } +} |