/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 57 by mojays, Fri Apr 17 15:26:14 2009 UTC branches/2.0-RC2/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 621 by alfonx, Thu Jan 28 10:06:05 2010 UTC
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1  /** SCHMITZM - This file is part of the java library of Martin O.J. Schmitz (SCHMITZM)  /*******************************************************************************
2     * Copyright (c) 2009 Martin O. J. Schmitz.
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.   * This file is part of the SCHMITZM library - a collection of utility
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   * classes based on Java 1.6, focusing (not only) on Java Swing
6     * and the Geotools library.
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.   * The SCHMITZM project is hosted at:
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.   * http://wald.intevation.org/projects/schmitzm/
10   **/   *
11  package skrueger.geotools;   * This program is free software; you can redistribute it and/or
12     * modify it under the terms of the GNU Lesser General Public License
13  import java.util.Iterator;   * as published by the Free Software Foundation; either version 3
14  import java.util.Map;   * of the License, or (at your option) any later version.
15  import java.util.TreeMap;   *
16  import java.util.Vector;   * This program is distributed in the hope that it will be useful,
17     * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  import org.geotools.data.DefaultQuery;   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  import org.geotools.data.FeatureSource;   * GNU General Public License for more details.
20  import org.geotools.data.Query;   *
21  import org.geotools.data.memory.MemoryDataStore;   * You should have received a copy of the GNU Lesser General Public License (license.txt)
22  import org.geotools.feature.FeatureCollection;   * along with this program; if not, write to the Free Software
23  import org.opengis.filter.Filter;   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
24     * or try this link: http://www.gnu.org/licenses/lgpl.html
25  import schmitzm.geotools.gui.FeatureCollectionTableModel;   *
26  import skrueger.AttributeMetaData;   * Contributors:
27  import skrueger.i8n.I8NUtil;   *     Martin O. J. Schmitz - initial API and implementation
28  import skrueger.i8n.Translation;   *     Stefan A. Krüger - additional utility classes
29     ******************************************************************************/
30  /**  package skrueger.geotools;
31   * This class extends the the {@link FeatureCollectionTableModel} with the  
32   * functionalities of the {@link AttributeMetaData} of  import java.util.HashMap;
33   * {@linkplain StyledMapInterface styled objects}.  import java.util.Vector;
34   * <ul>  
35   * <li>column names are translated according to  import org.apache.log4j.Logger;
36   * {@link AttributeMetaData#getTitle()}</li>  import org.geotools.data.DefaultQuery;
37   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  import org.geotools.data.FeatureSource;
38   * </ul>  import org.geotools.data.Query;
39   *  import org.geotools.feature.FeatureCollection;
40   * @author <a href="mailto:[email protected]">Martin Schmitz</a>  import org.opengis.feature.simple.SimpleFeature;
41   *         (University of Bonn/Germany)  import org.opengis.feature.simple.SimpleFeatureType;
42   *  import org.opengis.feature.type.AttributeDescriptor;
43   */  import org.opengis.filter.Filter;
44  public class StyledFeatureCollectionTableModel extends  
45      FeatureCollectionTableModel {  import schmitzm.geotools.feature.FeatureUtil;
46    import schmitzm.geotools.gui.FeatureCollectionTableModel;
47    protected Map<Integer, AttributeMetaData> visibleAMD = null;  import skrueger.AttributeMetadata;
48    
49    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {  import com.vividsolutions.jts.geom.Envelope;
50      this(map,Filter.INCLUDE);  
51    }  /**
52     * This class extends the the {@link FeatureCollectionTableModel} with the
53    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {   * functionalities of the {@link AttributeMetadata}.
54      super();   * <ul>
55      setFeatureCollection(map, filter);   * <li>column names are translated according to
56    }   * {@link AttributeMetadata#getTitle()}</li>
57     * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
58    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
59      this(map,Filter.INCLUDE);   * applied.</li>
60    }   * </ul>
61     *
62    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {   * @author Stefan A. Krüger
63      super();   */
64      setFeatureCollection(map, filter);  public class StyledFeatureCollectionTableModel extends
65    }                  FeatureCollectionTableModel {
66            final static private Logger LOGGER = Logger
67    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {                          .getLogger(StyledFeatureCollectionTableModel.class);
68      this.visibleAMD = null;          /** Contains the complete {@link AttributeMetadata}-Map of the styled layer. */
69      if ( filter == null )          protected AttributeMetadataMap amdMap = null;
70        filter = Filter.INCLUDE;          /** Holds the current filter on the table */
71                protected Filter filter = null;
72      FeatureCollection fc = null;          /** Holds the Bounds for all features. Only set once during the constructor **/
73      if (fs != null) {          protected Envelope bounds;
74        Query query = new DefaultQuery();          /**
75        if (amd != null) {           * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
76          // determine the names of the visible Attributes           * {@link #reorganize} befuellt.
77          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);           */
78          Vector<String> visibleAttrNames = new Vector<String>();          protected String[] colTooltips = null;
79          // Add the column with the geometry (usually "the_geom")  
80          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());          /**
81          for (int attrIdx : visibleAMD.keySet())           * Creates a new table model for a styled layer.
82            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());           *
83             * @param styledFeatures
84          // create a query for the visible attributes           *            the styled layer
85          String[] properties = visibleAttrNames.toArray(new String[0]);           * @param filter
86          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);           *            filter applied to the table
87        }           */
88        fc = fs.getFeatures(query);          public StyledFeatureCollectionTableModel(
89      }                          StyledFeaturesInterface<?> styledFeatures) {
90      setFeatureCollection(fc);                  setStyledFeatures(styledFeatures);
91    }          }
92    
93    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {          /**
94      try {           * Sets a new data source for the table.
95        if (map == null)           *
96          setFeatureSource(null, null, null);           * @param fs
97        else {           *            the feature source
98          FeatureCollection fc = map.getGeoObject();           * @param amdm
99          String fcName = fc.getFeatureType().getTypeName();           *            {@link AttributeMetadata}-Map to define the visible attributes
100          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);           *            and translation
101          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);           */
102        }          protected void setFeatureSource(
103      } catch (Exception err) {                          FeatureSource<SimpleFeatureType, SimpleFeature> fs,
104        throw new RuntimeException(err);                          AttributeMetadataMap amdm, Filter filter) throws Exception {
105      }  
106    }                  if (filter == null)
107                            filter = Filter.INCLUDE;
108    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {  
109      try {                  // this.featureSource = fs;
110        if (map == null)                  this.filter = filter;
111          setFeatureSource(null, null, null);                  this.amdMap = amdm;
112        else  
113          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
114      } catch (Exception err) {                  if (fs != null) {
115        throw new RuntimeException(err);  
116      }                          bounds = fs.getBounds();
117    }  
118                            final SimpleFeatureType schema = fs.getSchema();
119    @Override                          Query query = new DefaultQuery(schema.getTypeName(), filter);
120    public void reorganize() {                          if (amdm != null) {
121      super.reorganize();                                  Vector<String> visibleAttrNames = new Vector<String>();
122      // translate the column names  
123      if (visibleAMD != null) {                                  // Add the column with the geometry (usually "the_geom") always
124        Iterator<Integer> keys = visibleAMD.keySet().iterator();                                  visibleAttrNames.add(schema.getGeometryDescriptor()
125        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                                                  .getLocalName());
126          Translation title = visibleAMD.get(keys.next()).getTitle();  
127          if (!I8NUtil.isEmpty(title)) {                                  // Add other visible attributes as ordered by weights
128            System.out.println("set colname " + i + " to " + title.toString());                                  for (AttributeMetadata a : amdm.sortedValuesVisibleOnly()) {
129            colNames[i] = title.toString();                                          visibleAttrNames.add(a.getLocalName());
130          }                                  }
131        }  
132      }  //                      Tested with 2.6.x trunk from 2009-11-26 and it now works. So we only request the properties we need!                    
133      fireTableStructureChanged();  //                              /**
134    }  //                               * I got NPEs when properties contained only [the_geom] ?!??!!??
135  }  //                               */
136    //                              if (properties.length > 1) {
137                                            query = new DefaultQuery(schema.getTypeName(), filter,
138                                                            visibleAttrNames.toArray(new String[] {}));
139    //                              } else {
140    //                                      query = new DefaultQuery(schema.getTypeName(), filter);
141    //                              }
142                            }
143                            fc = fs.getFeatures(query);
144                    }
145                    setFeatureCollection(fc);
146            }
147    
148            /**
149             * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
150             * and sets this as the new data source for the table.
151             *
152             * @param fs
153             *            the feature source
154             * @param amd
155             *            {@link AttributeMetadata}-Map to define the visible attributes
156             *            and translation
157             */
158            public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
159                    try {
160                            if (styledFeatures == null)
161                                    setFeatureSource(null, null, null);
162                            else {
163                                    setFeatureSource(styledFeatures.getFeatureSource(),
164                                                    styledFeatures.getAttributeMetaDataMap(),
165                                                    styledFeatures.getFilter());
166                            }
167                    } catch (Exception err) {
168                            throw new RuntimeException(err);
169                    }
170            }
171    
172            /**
173             * After calling {@code super.reorganize(.)} this method replaced the column
174             * descriptions with the titles of the {@code AttributeMetaData}.
175             *
176             * @param fireTableStructureChanged
177             *            indicates whether a table event is initiated after reorganize
178             */
179            @Override
180            protected void reorganize(boolean fireTableStructureChanged) {
181    
182                    featureArray = FeatureUtil.featuresToArray(featureTable);
183                    if (featureArray == null || featureArray.length == 0) {
184                            colNames = new String[0];
185                            colTooltips = new String[0]; // Only set and used in
186                                                                                            // StyledFeatureCollectionTableModel
187                            colClass = new Class[0];
188                    } else {
189                            // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
190                            SimpleFeatureType schema = featureArray[0].getFeatureType();
191                            // Pruefen, welche Attribute angezeigt werden
192                            attrTypes.clear();
193                            for (AttributeMetadata amd : amdMap.sortedValuesVisibleOnly()) {
194                                    AttributeDescriptor type = schema.getDescriptor(amd.getName());
195                                    if (attrFilter == null || attrFilter.accept(type))
196                                            attrTypes.add(type);
197                            }
198                            // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
199                            colNames = new String[attrTypes.size()];
200                            colTooltips = new String[attrTypes.size()]; // Only set and used in
201                                                                                                                    // StyledFeatureCollectionTableModel
202                            colClass = new Class[attrTypes.size()];
203                            attrIdxForCol = new int[attrTypes.size()];
204                            for (int i = 0; i < colNames.length; i++) {
205                                    AttributeDescriptor descriptor = schema.getDescriptor(amdMap.sortedValuesVisibleOnly().get(i).getName());
206    
207                                    // Not so nice in 26: find the index of an attribute...
208                                    int idx = schema.getAttributeDescriptors().indexOf(descriptor);
209                                    attrIdxForCol[i] = idx;
210    
211                                    String attName = schema.getAttributeDescriptors().get(idx)
212                                                    .getLocalName();
213                                    colNames[i] = amdMap.get(attName).getTitle().toString();
214                                    AttributeMetadata amd = amdMap.get(attName);
215                                    colTooltips[i] = "<html>"+amd.getDesc().toString()+"<br>"+amd.getName()+"</html>";
216                                    colClass[i] = schema.getAttributeDescriptors().get(idx).getType()
217                                                    .getBinding();
218                            }
219                    }
220    
221                    // store feature indexes in HashMap to optimize findFeature(.)
222                    featureIdx = new HashMap<String, Integer>();
223                    for (int i = 0; i < featureArray.length; i++)
224                            if (featureArray[i] != null)
225                                    featureIdx.put(featureArray[i].getID(), i);
226    //
227    //              // translate the column names
228    //              if (amdMap != null) {
229    //                      for (int i = 0; i < colNames.length; i++) {
230    //                              colTooltips[i] = amdMap.get(colNames[i]).getDesc().toString()
231    //                                              + "<br>" + colNames[i];
232    //                              colNames[i] = amdMap.get(colNames[i]).getTitle().toString();
233    //
234    //                      }
235    //              }
236                    if (fireTableStructureChanged)
237                            fireTableStructureChanged();
238    
239            }
240    
241            /**
242             * @return Cached bounds for the whole dataset (without applying the filter)
243             *         or <code>null</code>
244             */
245            public Envelope getBounds() {
246                    return bounds;
247            }
248    }

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