xref: /AOO41X/main/odk/examples/DevelopersGuide/Forms/ListSelectionValidator.java (revision ae15d43ae9bc0d57b88b38bfa728519a0f7db121)
1*ae15d43aSAndrew Rist /**************************************************************
2cdf0e10cSrcweir  *
3*ae15d43aSAndrew Rist  * Licensed to the Apache Software Foundation (ASF) under one
4*ae15d43aSAndrew Rist  * or more contributor license agreements.  See the NOTICE file
5*ae15d43aSAndrew Rist  * distributed with this work for additional information
6*ae15d43aSAndrew Rist  * regarding copyright ownership.  The ASF licenses this file
7*ae15d43aSAndrew Rist  * to you under the Apache License, Version 2.0 (the
8*ae15d43aSAndrew Rist  * "License"); you may not use this file except in compliance
9*ae15d43aSAndrew Rist  * with the License.  You may obtain a copy of the License at
10cdf0e10cSrcweir  *
11*ae15d43aSAndrew Rist  *   http://www.apache.org/licenses/LICENSE-2.0
12cdf0e10cSrcweir  *
13*ae15d43aSAndrew Rist  * Unless required by applicable law or agreed to in writing,
14*ae15d43aSAndrew Rist  * software distributed under the License is distributed on an
15*ae15d43aSAndrew Rist  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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17*ae15d43aSAndrew Rist  * specific language governing permissions and limitations
18*ae15d43aSAndrew Rist  * under the License.
19cdf0e10cSrcweir  *
20*ae15d43aSAndrew Rist  *************************************************************/
21*ae15d43aSAndrew Rist 
22*ae15d43aSAndrew Rist 
23cdf0e10cSrcweir 
24cdf0e10cSrcweir /**
25cdf0e10cSrcweir  *
26cdf0e10cSrcweir  * @author  fs@openoffice.org
27cdf0e10cSrcweir  */
28cdf0e10cSrcweir public class ListSelectionValidator extends ControlValidator
29cdf0e10cSrcweir {
30cdf0e10cSrcweir     /** Creates a new instance of ListSelectionValidator */
ListSelectionValidator()31cdf0e10cSrcweir     public ListSelectionValidator()
32cdf0e10cSrcweir     {
33cdf0e10cSrcweir     }
34cdf0e10cSrcweir 
explainInvalid( Object Value )35cdf0e10cSrcweir     public String explainInvalid( Object Value )
36cdf0e10cSrcweir     {
37cdf0e10cSrcweir         try
38cdf0e10cSrcweir         {
39cdf0e10cSrcweir             short[] selectionIndexes = (short[])Value;
40cdf0e10cSrcweir             if ( selectionIndexes.length > 2 )
41cdf0e10cSrcweir                 return "please 2 entries, at most";
42cdf0e10cSrcweir         }
43cdf0e10cSrcweir         catch( java.lang.Exception e )
44cdf0e10cSrcweir         {
45cdf0e10cSrcweir             return "oops. What's this?";
46cdf0e10cSrcweir         }
47cdf0e10cSrcweir         return "";
48cdf0e10cSrcweir     }
49cdf0e10cSrcweir 
isValid( Object Value )50cdf0e10cSrcweir     public boolean isValid( Object Value )
51cdf0e10cSrcweir     {
52cdf0e10cSrcweir         try
53cdf0e10cSrcweir         {
54cdf0e10cSrcweir             short[] selectionIndexes = (short[])Value;
55cdf0e10cSrcweir             if ( selectionIndexes.length > 2 )
56cdf0e10cSrcweir                 return false;
57cdf0e10cSrcweir             return true;
58cdf0e10cSrcweir         }
59cdf0e10cSrcweir         catch( java.lang.Exception e )
60cdf0e10cSrcweir         {
61cdf0e10cSrcweir         }
62cdf0e10cSrcweir         return false;
63cdf0e10cSrcweir     }
64cdf0e10cSrcweir 
65cdf0e10cSrcweir }
66