/[schmitzm]/branches/2.1/src/skrueger/geotools/selection/TableSelectionSynchronizer.java
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revision 97 by alfonx, Fri May 8 12:10:42 2009 UTC revision 103 by mojays, Fri May 8 13:48:00 2009 UTC
# Line 21  import javax.swing.JTable; Line 21  import javax.swing.JTable;
21  import javax.swing.ListSelectionModel;  import javax.swing.ListSelectionModel;
22  import javax.swing.event.ListSelectionEvent;  import javax.swing.event.ListSelectionEvent;
23  import javax.swing.event.ListSelectionListener;  import javax.swing.event.ListSelectionListener;
24    import javax.swing.table.TableModel;
25    
26  import org.geotools.feature.Feature;  import org.geotools.feature.Feature;
27    
28  import schmitzm.geotools.gui.FeatureCollectionTableModel;  import schmitzm.geotools.gui.FeatureCollectionTableModel;
29    import schmitzm.swing.table.PipedTableModel;
30    import schmitzm.swing.table.SelectionTableModel;
31  import skrueger.geotools.selection.StyledFeatureLayerSelectionModel;  import skrueger.geotools.selection.StyledFeatureLayerSelectionModel;
32  import skrueger.geotools.selection.StyledLayerSelectionEvent;  import skrueger.geotools.selection.StyledLayerSelectionEvent;
33  import skrueger.geotools.selection.StyledLayerSelectionModel;  import skrueger.geotools.selection.StyledLayerSelectionModel;
34    
35  /**  /**
36   * This class keeps the selection of a (feature) {@link JTable} synchronized   * This class keeps the selection of a (feature) {@link JTable} synchronized
37   * with the {@link StyledLayerSelectionModel} of a layer.   * with the {@link StyledLayerSelectionModel} of a layer. This is done by
38   * This is done by implementing:   * implementing:
39   * <ul>   * <ul>
40   *   <li>a {@link PropertyChangeListener} which listens to the   * <li>a {@link PropertyChangeListener} which listens to the
41   *       {@link StyledLayerSelectionModel} and accordingly changes the {@link JTable}   * {@link StyledLayerSelectionModel} and accordingly changes the {@link JTable}
42   *       selection</li>   * selection</li>
43   *   <li>a {@link ListSelectionListener} which listens to the {@link JTable}   * <li>a {@link ListSelectionListener} which listens to the {@link JTable} and
44   *       and accordingly changes the {@link StyledLayerSelectionModel} selection</li>   * accordingly changes the {@link StyledLayerSelectionModel} selection</li>
45   * </ul>   * </ul>
46   * After creating, the instance of this synchronizer must be added as listener to   * After creating, the instance of this synchronizer must be added as listener
47   * both, the {@link StyledLayerSelectionModel} and the table's {@link ListSelectionModel}.   * to both, the {@link StyledLayerSelectionModel} and the table's
48   * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)   * {@link ListSelectionModel}.
49     *
50     * @author <a href="mailto:[email protected]">Martin Schmitz</a>
51     *         (University of Bonn/Germany)
52   */   */
53  public class TableSelectionSynchronizer extends StyledLayerSelectionModelSynchronizer<Feature> implements ListSelectionListener {  public class TableSelectionSynchronizer extends StyledLayerSelectionModelSynchronizer<StyledFeatureLayerSelectionModel> implements ListSelectionListener {
54    /** Holds the table to keep synchronized with the layer selection          /**
55     *  model. */           * Holds the table to keep synchronized with the layer selection model.
56    protected JTable featureTable = null;           */
57    /** Holds the table's data. */          protected JTable featureTable = null;
58    protected FeatureCollectionTableModel featureTableModel = null;          /** Holds the table's data. */
59              protected FeatureCollectionTableModel featureTableModel = null;
60    /**  
61            /**
62           * Creates a new synchronizer           * Creates a new synchronizer
63           *           *
64           * @param layerSelModel           * @param layerSelModel
# Line 60  public class TableSelectionSynchronizer Line 67  public class TableSelectionSynchronizer
67           * @param table           * @param table
68           *            table to keep synchronized with the layer selection model           *            table to keep synchronized with the layer selection model
69           */           */
70          public TableSelectionSynchronizer(          public TableSelectionSynchronizer(StyledFeatureLayerSelectionModel layerSelModel, JTable table) {
                         StyledFeatureLayerSelectionModel layerSelModel, JTable table) {  
                   
71                  super(layerSelModel);                  super(layerSelModel);
72    
73                  if (!(table.getModel() instanceof FeatureCollectionTableModel)) {                  TableModel model = table.getModel();
74                    if (model instanceof PipedTableModel)
75                            model = ((PipedTableModel) table.getModel()).getPipedModel();
76    
77                    if (!(model instanceof FeatureCollectionTableModel))
78                          throw new IllegalArgumentException(                          throw new IllegalArgumentException(
79                                          "Table must have a model instance of FeatureCollectionTableModel");                                          "Table must have a model instance of FeatureCollectionTableModel");
                 }  
80    
81                    this.featureTableModel = (FeatureCollectionTableModel) model;
82                  this.featureTable = table;                  this.featureTable = table;
                 this.featureTableModel = (FeatureCollectionTableModel) table.getModel();  
83          }          }
84      
85    /**          /**
86     * Called by {@link StyledLayerSelectionModel} when a the selection on other           * Called by {@link StyledLayerSelectionModel} when a the selection on other
87     * selection components (map, chart, ...) has changed. When calling           * selection components (map, chart, ...) has changed. When calling this
88     * this method changes the table selection according to the           * method changes the table selection according to the
89     * {@link StyledLayerSelectionModel} selection.           * {@link StyledLayerSelectionModel} selection.
90     * @param evt an event           *
91     */           * @param evt
92    @Override           *            an event
93    public void propertyChange(PropertyChangeEvent evt) {           */
94      if ( !(evt instanceof StyledLayerSelectionEvent) )          @Override
95        return;          public void propertyChange(PropertyChangeEvent evt) {
96      StyledLayerSelectionEvent selEvt = (StyledLayerSelectionEvent)evt;                  if (!(evt instanceof StyledLayerSelectionEvent))
97      // Only react on own layer and ignore events invoked by                          return;
98      // this component itself                  StyledLayerSelectionEvent selEvt = (StyledLayerSelectionEvent) evt;
99      if ( selEvt.getEmitter() != layerSelModel ||                  // Only react on own layer and ignore events invoked by
100           selectionChangeCausedByMe )                  // this component itself
101        return;                  if (selEvt.getEmitter() != layerSelModel || selectionChangeCausedByMe)
102      // Apply new selection on table (except this event is one of                          return;
103      // some more events)                  // Apply new selection on table (except this event is one of
104      Vector<Feature> newSelection = layerSelModel.getSelection();                  // some more events)
105      if ( newSelection == null )                  Vector<Feature> newSelection = layerSelModel.getSelection();
106        return;                  if (newSelection == null)
107                            return;
108      // Avoid event circles in valueChanged(..)  
109      selectionChangeCausedByMe = true;                  // Avoid event circles in valueChanged(..)
110                    selectionChangeCausedByMe = true;
111      ListSelectionModel tableSelModel = featureTable.getSelectionModel();  
112      tableSelModel.setValueIsAdjusting(true);                  ListSelectionModel tableSelModel = featureTable.getSelectionModel();
113      tableSelModel.clearSelection();                  tableSelModel.setValueIsAdjusting(true);
114      for (Feature f : newSelection) {                  tableSelModel.clearSelection();
115        int modelIdx = featureTableModel.findFeature(f);                  for (Feature f : newSelection) {
116        if ( modelIdx >= 0 ) {                          int modelIdx = featureTableModel.findFeature(f);
117          int tableIdx = featureTable.convertRowIndexToView(modelIdx);                          if (modelIdx >= 0) {
118          tableSelModel.addSelectionInterval(tableIdx, tableIdx);                                  int tableIdx = featureTable.convertRowIndexToView(modelIdx);
119        }                                  tableSelModel.addSelectionInterval(tableIdx, tableIdx);
120      }                          }
121      tableSelModel.setValueIsAdjusting(false); // event is fired autmatically!                  }
122                    tableSelModel.setValueIsAdjusting(false); // event is fired
123      // Danger of event circles in valueChanged(..) banned                  // autmatically!
124      selectionChangeCausedByMe = false;  
125    }                  // Danger of event circles in valueChanged(..) banned
126                      selectionChangeCausedByMe = false;
127    /**          }
128     * Called when the table selection is changed by the user.  
129     * When calling this method changes the selection of the          /**
130     * {@link StyledLayerSelectionModel}.           * Called when the table selection is changed by the user. When calling this
131     * @param evt an event           * method changes the selection of the {@link StyledLayerSelectionModel}.
132     */           *
133    @Override           * @param evt
134    public void valueChanged(ListSelectionEvent evt) {           *            an event
135      // ignore event if it is part of multiple events           */
136      if ( evt != null && evt.getValueIsAdjusting() )          @Override
137        return;          public void valueChanged(ListSelectionEvent evt) {
138      // ignore event if it is caused by the DpLayerVectorSelectionModel                  // ignore event if it is part of multiple events
139      if ( selectionChangeCausedByMe )                  if (evt != null && evt.getValueIsAdjusting())
140        return;                          return;
141                    // ignore event if it is caused by the DpLayerVectorSelectionModel
142      // Avoid event circles in propertyChange(..)                  if (selectionChangeCausedByMe)
143      selectionChangeCausedByMe = true;                          return;
144        
145      // reset the selection of the DpLayerSelectionModel                  // Avoid event circles in propertyChange(..)
146      layerSelModel.setValueIsAdjusting(true);                  selectionChangeCausedByMe = true;
147      for (int i=evt.getFirstIndex(); i<=evt.getLastIndex(); i++) {  
148        Feature changedFeature = featureTableModel.getFeature( featureTable.convertRowIndexToModel(i) );                  // reset the selection of the DpLayerSelectionModel
149        if ( featureTable.isRowSelected(i) )                  layerSelModel.setValueIsAdjusting(true);
150          layerSelModel.addSelection(changedFeature);                  for (int i = evt.getFirstIndex(); i <= evt.getLastIndex(); i++) {
151        else                          Feature changedFeature = featureTableModel.getFeature(featureTable
152          layerSelModel.removeSelection(changedFeature);                                          .convertRowIndexToModel(i));
153      }                          if (featureTable.isRowSelected(i))
154      layerSelModel.setValueIsAdjusting(false);                                  layerSelModel.addSelection(changedFeature);
155                            else
156      // Danger of event circles in propertyChange(..) banned                                  layerSelModel.removeSelection(changedFeature);
157      selectionChangeCausedByMe = false;                  }
158    }                  layerSelModel.setValueIsAdjusting(false);
159    
160                    // Danger of event circles in propertyChange(..) banned
161                    selectionChangeCausedByMe = false;
162            }
163  }  }
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