/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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revision 46 by mojays, Fri Apr 17 11:44:05 2009 UTC revision 53 by mojays, Fri Apr 17 14:04:22 2009 UTC
# Line 1  Line 1 
1    /** SCHMITZM - This file is part of the java library of Martin O.J. Schmitz (SCHMITZM)
2    
3        This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
4        This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
5        You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
6    
7        Diese Bibliothek ist freie Software; Sie dürfen sie unter den Bedingungen der GNU Lesser General Public License, wie von der Free Software Foundation veröffentlicht, weiterverteilen und/oder modifizieren; entweder gemäß Version 2.1 der Lizenz oder (nach Ihrer Option) jeder späteren Version.
8        Diese Bibliothek wird in der Hoffnung weiterverbreitet, daß sie nützlich sein wird, jedoch OHNE IRGENDEINE GARANTIE, auch ohne die implizierte Garantie der MARKTREIFE oder der VERWENDBARKEIT FÜR EINEN BESTIMMTEN ZWECK. Mehr Details finden Sie in der GNU Lesser General Public License.
9        Sie sollten eine Kopie der GNU Lesser General Public License zusammen mit dieser Bibliothek erhalten haben; falls nicht, schreiben Sie an die Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA.
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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