1 /*
2 * Copyright 1999-2006 Faculty of Mathematics, Physics and Informatics, Comenius
3 * University, Bratislava. This file is protected by the Mozilla Public License
4 * version 1.1 (the License); you may not use this file except in compliance
5 * with the License. You may obtain a copy of the License at
6 * http://euromath2.sourceforge.net/license.html Unless required by applicable
7 * law or agreed to in writing, software distributed under the License is
8 * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
9 * KIND, either express or implied. See the License for the specific language
10 * governing permissions and limitations under the License.
11 */
12 package sk.uniba.euromath.editor.textEditor;
13
14 /***
15 * @author Tomáš Studva 15.8.2006
16 */
17 public enum Direction {
18 Left, Right, Up, Down;
19
20 public static Direction getOpposite(Direction direction){
21 switch (direction) {
22 case Left:
23 return Right;
24 case Right:
25 return Left;
26 case Up:
27 return Down;
28 case Down:
29 return Up;
30 }
31 // not reachable
32 throw new IllegalStateException();
33 }
34 }