Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
TableViewSessionStateManager |
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| 2.3333333333333335;2.333 |
1 | // Copyright 2004, 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.tapestry.contrib.table.components; | |
16 | ||
17 | import java.io.Serializable; | |
18 | ||
19 | import org.apache.tapestry.contrib.table.model.ITableModel; | |
20 | import org.apache.tapestry.contrib.table.model.ITableSessionStateManager; | |
21 | import org.apache.tapestry.contrib.table.model.simple.SimpleTableState; | |
22 | ||
23 | /** | |
24 | * Acts like {@link org.apache.tapestry.contrib.table.model.common.FullTableSessionStateManager} | |
25 | * if the model is provided via the tableModel parameter; | |
26 | * saves only the model state otherwise. | |
27 | * | |
28 | * @author mindbridge | |
29 | */ | |
30 | public class TableViewSessionStateManager implements ITableSessionStateManager | |
31 | { | |
32 | private TableView m_objView; | |
33 | ||
34 | public TableViewSessionStateManager(TableView objView) | |
35 | 0 | { |
36 | 0 | m_objView = objView; |
37 | 0 | } |
38 | ||
39 | /** | |
40 | * @see org.apache.tapestry.contrib.table.model.ITableSessionStateManager#getSessionState(org.apache.tapestry.contrib.table.model.ITableModel) | |
41 | */ | |
42 | public Serializable getSessionState(ITableModel objModel) | |
43 | { | |
44 | // if the model is provided using the 'tableModel' parameter, | |
45 | // emulate FullTableSessionStateManager and save everything | |
46 | // (backward compatibility) | |
47 | 0 | if (m_objView.getCachedTableModelValue() != null) |
48 | 0 | return (Serializable) objModel; |
49 | ||
50 | // otherwise save only the state | |
51 | 0 | return new SimpleTableState(objModel.getPagingState(), objModel.getSortingState()); |
52 | } | |
53 | ||
54 | /** | |
55 | * @see org.apache.tapestry.contrib.table.model.ITableSessionStateManager#recreateTableModel(java.io.Serializable) | |
56 | */ | |
57 | public ITableModel recreateTableModel(Serializable objState) | |
58 | { | |
59 | // if the state implements ITableModel, return itself | |
60 | // (backward compatibility) | |
61 | 0 | if (objState instanceof ITableModel) |
62 | 0 | return (ITableModel) objState; |
63 | ||
64 | // otherwise have the component re-generate the model using the provided state | |
65 | 0 | return m_objView.generateTableModel((SimpleTableState) objState); |
66 | } | |
67 | ||
68 | } |