/[schmitzm]/branches/2.1/src/skrueger/geotools/selection/ChartSelectionSynchronizer.java
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revision 130 by mojays, Sat May 30 16:34:00 2009 UTC revision 134 by mojays, Sat May 30 20:22:00 2009 UTC
# Line 13  package skrueger.geotools.selection; Line 13  package skrueger.geotools.selection;
13    
14  import java.beans.PropertyChangeEvent;  import java.beans.PropertyChangeEvent;
15  import java.beans.PropertyChangeListener;  import java.beans.PropertyChangeListener;
16    import java.util.Vector;
17    
18  import javax.swing.JTable;  import javax.swing.JTable;
19  import javax.swing.ListSelectionModel;  import javax.swing.ListSelectionModel;
20  import javax.swing.event.ListSelectionListener;  import javax.swing.event.ListSelectionListener;
21    import javax.swing.plaf.basic.BasicTreeUI.SelectionModelPropertyChangeHandler;
22    
23  import org.jfree.chart.JFreeChart;  import org.jfree.chart.JFreeChart;
24  import org.jfree.data.general.Dataset;  import org.jfree.data.general.Dataset;
25    import org.jfree.data.general.SeriesDataset;
26    import org.jfree.data.xy.XYSeriesCollection;
27    
28    import schmitzm.geotools.gui.FeatureCollectionTableModel;
29  import schmitzm.jfree.chart.renderer.SelectionRenderer;  import schmitzm.jfree.chart.renderer.SelectionRenderer;
30  import schmitzm.jfree.chart.selection.DatasetSelectionListener;  import schmitzm.jfree.chart.selection.DatasetSelectionListener;
31  import schmitzm.jfree.chart.selection.DatasetSelectionModel;  import schmitzm.jfree.chart.selection.DatasetSelectionModel;
32  import schmitzm.jfree.chart.selection.SelectionChangeEvent;  import schmitzm.jfree.chart.selection.DatasetSelectionModelProvider;
33    import schmitzm.jfree.chart.selection.DatasetSelectionChangeEvent;
34    import schmitzm.jfree.feature.Feature2DatasetItemDatasetGroup;
35    
36  /**  /**
37   * This class keeps the selection of a {@link Dataset} (based on feature   * This class keeps the selection of a {@link Dataset} (based on feature
# Line 39  import schmitzm.jfree.chart.selection.Se Line 46  import schmitzm.jfree.chart.selection.Se
46   * </ul>   * </ul>
47   * After creating, the instance of this synchronizer must be added as listener   * After creating, the instance of this synchronizer must be added as listener
48   * to both, the {@link StyledLayerSelectionModel} and the chart's   * to both, the {@link StyledLayerSelectionModel} and the chart's
49   * {@link SelectionRenderer}.   * {@link DatasetSelectionModel} (e.g. the renderer).
50   *   * @see DatasetSelectionModelProvider
51   * @author <a href="mailto:[email protected]">Martin Schmitz</a>   * @author <a href="mailto:[email protected]">Martin Schmitz</a>
52   */   */
53  public class ChartSelectionSynchronizer extends StyledLayerSelectionModelSynchronizer<StyledFeatureLayerSelectionModel>  public class ChartSelectionSynchronizer extends StyledLayerSelectionModelSynchronizer<StyledFeatureLayerSelectionModel>
54                                          implements DatasetSelectionListener                                          implements DatasetSelectionListener {
                                         {  
55    
56      /** Holds the chart datset to keep synchronized with the layer selection model. */
57      protected DatasetSelectionModel<?> datasetSelModel = null;
58      /** Hold the mapping between feature IDs and dataset items. */
59      protected Feature2DatasetItemDatasetGroup<?> mapping = null;
60      
61    /**    /**
62     * Creates a new synchronizer.     * Creates a new synchronizer.
63     * @param layerSelModel     * @param layerSelModel
64       *             layer selection model to keep synchronized with the dataset
65       *             selection model
66       * @param datasetSelModel
67       *            dataset selection model to keep synchronized with the layer
68       *            selection model
69     */     */
70    public ChartSelectionSynchronizer(StyledFeatureLayerSelectionModel layerSelModel) {    public ChartSelectionSynchronizer(StyledFeatureLayerSelectionModel layerSelModel, DatasetSelectionModel<?> datasetSelModel) {
71      super(layerSelModel);      super(layerSelModel);
72        // the dataset selection model must provide a mapping
73        // to the feature IDs
74        if ( datasetSelModel.getDataset() == null ||
75             !(datasetSelModel.getDataset().getGroup() instanceof Feature2DatasetItemDatasetGroup) )
76          throw new UnsupportedOperationException("Dataset must provide a Feature2DatasetItemDatasetGroup as DatasetGroup.");
77        this.datasetSelModel = datasetSelModel;
78        this.mapping         = (Feature2DatasetItemDatasetGroup<?>)datasetSelModel.getDataset().getGroup();
79    }    }
80    
81      /**
82       * Called by {@link StyledLayerSelectionModel} when a the selection on other
83       * selection components (map, table, ...) has changed. When calling this
84       * method changes the dataset selection according to the
85       * {@link StyledLayerSelectionModel} selection.
86       * @param evt an event
87       */
88    @Override    @Override
89    public void propertyChange(PropertyChangeEvent evt) {    public void propertyChange(PropertyChangeEvent evt) {
90      // TODO apply selection changes to the ChartSelectionModel      if (!(evt instanceof StyledLayerSelectionEvent))
91          return;
92        StyledLayerSelectionEvent selEvt = (StyledLayerSelectionEvent) evt;
93        // Only react on own layer and ignore events invoked by
94        // this component itself
95        if (selEvt.getEmitter() != layerSelModel || selectionChangeCausedByMe)
96            return;
97        // Apply new selection on chart (except this event is one of
98        // some more events)
99        Vector<String> newSelection = layerSelModel.getSelection();
100        if (newSelection == null)
101          return;
102    
103        // Avoid event circles in valueChanged(..)
104        selectionChangeCausedByMe = true;
105    
106        datasetSelModel.setValueIsAdjusting(true);
107        datasetSelModel.clearSelection();
108        
109        for (String fID : newSelection) {
110          Comparable dataID = mapping.getDataID(fID);
111          if (dataID != null ) {
112    //TODO: Fallunterscheidung zwischen den unterschiedlichen DatasetSelectionModel-Typen!!
113          } else {
114              LOGGER.warn("Something that is not visible in the chart should be selected");
115          }
116        }
117        datasetSelModel.setValueIsAdjusting(false); // event is fired autmatically!
118    
119        // Danger of event circles in valueChanged(..) banned
120        selectionChangeCausedByMe = false;
121    }    }
122    
123    @Override    @Override
124    public void selectionChanged(SelectionChangeEvent e) {    public void selectionChanged(DatasetSelectionChangeEvent e) {
125      // TODO Auto-generated method stub      // TODO Auto-generated method stub
126            
127    }    }
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