/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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revision 47 by mojays, Fri Apr 17 12:28:50 2009 UTC revision 53 by mojays, Fri Apr 17 14:04:22 2009 UTC
# Line 10  Line 10 
10   **/   **/
11  package skrueger.geotools;  package skrueger.geotools;
12    
13    import java.util.Iterator;
14    import java.util.Map;
15    import java.util.TreeMap;
16    import java.util.Vector;
17    
18    import org.geotools.data.DefaultQuery;
19    import org.geotools.data.FeatureSource;
20    import org.geotools.data.Query;
21    import org.geotools.data.memory.MemoryDataStore;
22    import org.geotools.feature.FeatureCollection;
23    import org.opengis.filter.Filter;
24    
25  import schmitzm.geotools.gui.FeatureCollectionTableModel;  import schmitzm.geotools.gui.FeatureCollectionTableModel;
26    import skrueger.AttributeMetaData;
27    
28    
29    /**
30     * This class extends the the {@link FeatureCollectionTableModel} with the
31     * functionalities of the {@link AttributeMetaData} (AMD) of {@linkplain StyledMapInterface styled objects}.
32     * <ul>
33     *   <li>column names are translated according to (AMD)</li>
34     *   <li>columns are hidden according to
35     * </ul>
36     * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)
37     *
38     */
39  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {
40        
41      protected Map<Integer,AttributeMetaData> visibleAMD = null;
42      
43    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {
44      super(null);      super();
45        setFeatureCollection(map);
46    }    }
47        
48    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {
49      super(null);      super();
50        setFeatureCollection(map);
51    }    }
52      
53    public String[] createColumnNames() {    protected void setFeatureSource(FeatureSource fs, Map<Integer,AttributeMetaData> amd) throws Exception {
54      return new String[0];      FeatureCollection fc = null;
55        this.visibleAMD      = null;
56        if ( fs != null ) {
57          Query query = new DefaultQuery();
58          if ( amd != null ) {
59            // determine the names of the visible Attributes
60            this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);
61            Vector<String> visibleAttrNames = new Vector<String>();
62            for ( int attrIdx : visibleAMD.keySet() )
63              visibleAttrNames.add( fs.getSchema().getAttributeType(attrIdx).getLocalName() );
64            // create a query for the visible attributes  
65            query = new DefaultQuery(
66                           fs.getSchema().getTypeName(),
67                           Filter.INCLUDE,
68                           visibleAttrNames.toArray(new String[0])
69            );
70          }
71          fc = fs.getFeatures(query);
72        }
73        setFeatureCollection( fc );
74      }
75      
76      public void setFeatureCollection(StyledFeatureCollectionInterface map) {
77        try {
78          if ( map == null )
79            setFeatureSource(null,null);
80          else {
81            FeatureCollection fc     = map.getGeoObject();
82            String            fcName = fc.getFeatureType().getTypeName();
83            FeatureSource     fs     = new MemoryDataStore(fc).getFeatureSource(fcName);
84            setFeatureSource(fs, map.getAttributeMetaDataMap());
85          }
86        } catch (Exception err) {
87          throw new RuntimeException(err);
88        }
89    }    }
90        
91    public int getRowCount() {    public void setFeatureCollection(StyledFeatureSourceInterface map) {
92      return 0;      try {
93          if ( map == null )
94            setFeatureSource(null,null);
95          else
96            setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap());
97        } catch (Exception err) {
98          throw new RuntimeException(err);
99        }
100    }    }
101        
102    public Object getValueAt(int row, int col) {    @Override
103      return "";    public void reorganize() {
104        super.reorganize();
105        // translate the column names
106        if ( visibleAMD != null ) {
107          Iterator<Integer> keys = visibleAMD.keySet().iterator();
108          for (int i=0; keys.hasNext(); i++)
109            colNames[i] = visibleAMD.get( keys.next() ).getTitle().toString();
110        }
111    }    }
112  }  }
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