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1 package org.apache.slide.projector.processor.table;
2
3 import java.util.HashMap  ;
4 import java.util.Map ;
5
6 import org.apache.slide.projector.Context;
7 import org.apache.slide.projector.Processor;
8 import org.apache.slide.projector.Result;
9 import org.apache.slide.projector.Store;
10 import org.apache.slide.projector.URI;
11 import org.apache.slide.projector.descriptor.NumberValueDescriptor;
12 import org.apache.slide.projector.descriptor.ParameterDescriptor;
13 import org.apache.slide.projector.descriptor.ResultDescriptor;
14 import org.apache.slide.projector.descriptor.StateDescriptor;
15 import org.apache.slide.projector.descriptor.StringValueDescriptor;
16 import org.apache.slide.projector.engine.ProcessorManager;
17 import org.apache.slide.projector.i18n.ParameterMessage;
18 import org.apache.slide.projector.util.StoreHelper;
19 import org.apache.slide.projector.value.MapValue;
20 import org.apache.slide.projector.value.NullValue;
21 import org.apache.slide.projector.value.Value;
22
23
26
27 public class TableHandler implements Processor {
28 final static String URL = "tableHandler";
29
30 final static String OK = "id";
31
32 final static String ID = "id";
33 final static String STORE = "store";
34 final static String TARGET_POSITION = "targetPosition";
35 final static String CURRENT_POSITION = "currentPosition";
36 final static String SORTED_BY= "sortedBy";
37 final static String ORDER= "order";
38 final static String SIZE= "size";
39 final static String EXPAND = "expand";
40 final static String EXPANDED = "expanded";
41 final static String COLLAPSE = "collapse";
42 final static String COLLAPSED = "collapsed";
43
44 final static String ASCENDING= "ascending";
45 final static String DESCENDING= "descending";
46
47 final static ParameterDescriptor[] parameterDescirptors = new ParameterDescriptor[] {
48 new ParameterDescriptor(ID, new ParameterMessage("tableHandler/id"), new StringValueDescriptor()),
49 new ParameterDescriptor(TARGET_POSITION, new ParameterMessage("tableHandler/targetPosition"), new NumberValueDescriptor(), NullValue.NULL),
50 new ParameterDescriptor(SORTED_BY, new ParameterMessage("tableHandler/sortedBy"), new StringValueDescriptor(), NullValue.NULL),
51 new ParameterDescriptor(ORDER, new ParameterMessage("tableHandler/order"), new StringValueDescriptor(new String [] {ASCENDING, DESCENDING}), NullValue.NULL),
52 new ParameterDescriptor(STORE, new ParameterMessage("tableHandler/store"), new StringValueDescriptor(Store.stores)),
53 new ParameterDescriptor(EXPAND, new ParameterMessage("tableHandler/expand"), new StringValueDescriptor(), NullValue.NULL),
54 new ParameterDescriptor(COLLAPSE, new ParameterMessage("tableHandler/collapse"), new StringValueDescriptor(), NullValue.NULL)
55 };
56
57 public Result process(Map parameter, Context context) throws Exception {
58 String id = parameter.get(ID).toString();
59 Store store = context.getStore(StoreHelper.getStoreByName(parameter.get(STORE).toString()));
60 MapValue idResource = (MapValue)store.get(id);
61 Value targetPosition = (Value)parameter.get(TARGET_POSITION);
62 Value sortedBy = (Value)parameter.get(SORTED_BY);
63 Value order = (Value)parameter.get(ORDER);
64 Value expand = (Value)parameter.get(EXPAND);
65 Value collapse = (Value)parameter.get(COLLAPSE);
66 Map tableMap;
67 if ( idResource == null) {
68 tableMap = new HashMap ();
69 idResource = new MapValue(tableMap);
70 store.put(id, idResource);
71 } else {
72 tableMap = idResource.getMap();
73 }
74 if ( targetPosition != NullValue.NULL ) {
75 tableMap.put(CURRENT_POSITION, targetPosition);
76 }
77 if ( sortedBy != NullValue.NULL ) {
78 tableMap.put(SORTED_BY, sortedBy);
79 }
80 if ( order != NullValue.NULL ) {
81 tableMap.put(ORDER, order);
82 }
83 if ( collapse != NullValue.NULL || expand != NullValue.NULL ) {
84 MapValue sizeValue = (MapValue)tableMap.get(SIZE);
85 Map size;
86 if ( sizeValue == null ) {
87 size = new HashMap ();
88 tableMap.put(SIZE, new MapValue(size));
89 } else {
90 size = sizeValue.getMap();
91 }
92 if ( collapse != NullValue.NULL ) {
93 size.put(collapse.toString(), COLLAPSED);
94 }
95 if ( expand != NullValue.NULL ) {
96 size.put(expand.toString(), EXPANDED);
97 }
98 }
99 URI bookmark = (URI)context.getBookmark();
100 if ( bookmark != null ) {
101 return ProcessorManager.getInstance().process(bookmark, parameter, context);
102 } else {
103 return Result.OK;
104 }
105 }
106
107 public ParameterDescriptor[] getParameterDescriptors() {
108 return parameterDescirptors;
109 }
110
111 public ResultDescriptor getResultDescriptor() {
112 return new ResultDescriptor(new StateDescriptor[] { StateDescriptor.OK_DESCRIPTOR });
113 }
114 } |
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