/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 127 by mojays, Sat May 30 14:29:58 2009 UTC branches/1.0-gt2-2.6/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 332 by alfonx, Wed Aug 26 17:15:49 2009 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     * as published by the Free Software Foundation; either version 3
14  import java.util.Iterator;   * of the License, or (at your option) any later version.
15  import java.util.Map;   *
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.apache.log4j.Logger;   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  import org.geotools.data.DefaultQuery;   * GNU General Public License for more details.
20  import org.geotools.data.FeatureSource;   *
21  import org.geotools.data.Query;   * You should have received a copy of the GNU Lesser General Public License (license.txt)
22  import org.geotools.data.memory.MemoryDataStore;   * along with this program; if not, write to the Free Software
23  import org.geotools.feature.FeatureCollection;   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
24  import org.opengis.filter.Filter;   * or try this link: http://www.gnu.org/licenses/lgpl.html
25     *
26  import schmitzm.geotools.gui.FeatureCollectionTableModel;   * Contributors:
27  import skrueger.AttributeMetaData;   *     Martin O. J. Schmitz - initial API and implementation
28  import skrueger.i8n.I8NUtil;   *     Stefan A. Krüger - additional utility classes
29  import skrueger.i8n.Translation;   ******************************************************************************/
30    package skrueger.geotools;
31  import com.vividsolutions.jts.geom.Envelope;  
32    import java.util.Iterator;
33  /**  import java.util.Map;
34   * This class extends the the {@link FeatureCollectionTableModel} with the  import java.util.Vector;
35   * functionalities of the {@link AttributeMetaData} of  
36   * {@linkplain StyledMapInterface styled objects}.  import org.apache.log4j.Logger;
37   * <ul>  import org.geotools.data.DefaultQuery;
38   *   <li>column names are translated according to {@link AttributeMetaData#getTitle()}</li>  import org.geotools.data.FeatureSource;
39   *   <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  import org.geotools.data.Query;
40   * </ul>  import org.geotools.data.memory.MemoryDataStore;
41   * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)  import org.geotools.feature.FeatureCollection;
42   */  import org.opengis.feature.type.AttributeDescriptor;
43  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {  import org.opengis.filter.Filter;
44    final static private Logger LOGGER = Logger.getLogger(StyledFeatureCollectionTableModel.class);  
45    /** Holds the data source as styled map. */  import schmitzm.geotools.gui.FeatureCollectionTableModel;
46    protected StyledMapInterface<?> map = null;  import skrueger.AttributeMetaData;
47    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  import skrueger.i8n.I8NUtil;
48    protected Map<Integer, AttributeMetaData> visibleAMD = null;  import skrueger.i8n.Translation;
49    /** Holds the data source for the table as {@code FeatureSource}. */  
50    protected FeatureSource featureSource = null;  import com.vividsolutions.jts.geom.Envelope;
51    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */  
52    protected Map<Integer, AttributeMetaData> origAMD = null;  /**
53    /** Holds the current filter on the table */   * This class extends the the {@link FeatureCollectionTableModel} with the
54    protected Filter filter = null;   * functionalities of the {@link AttributeMetaData} of
55    /** Holds the Bounds for all features. Only set once during the constructor **/   * {@linkplain StyledLayerInterface styled objects}.
56    protected Envelope bounds;   * <ul>
57     * <li>column names are translated according to
58    /**   * {@link AttributeMetaData#getTitle()}</li>
59     * Creates a new table model for a styled map.   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
60     * @param map the styled map   * </ul>
61     */   *
62    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * @author <a href="mailto:[email protected]">Martin Schmitz</a>
63      this(map,Filter.INCLUDE);   *         (University of Bonn/Germany)
64    }   */
65    public class StyledFeatureCollectionTableModel extends
66    /**                  FeatureCollectionTableModel {
67     * Creates a new table model for a styled map.          final static private Logger LOGGER = Logger
68     * @param map the styled map                          .getLogger(StyledFeatureCollectionTableModel.class);
69     * @param filter filter applied to the table          /** Holds the data source as styled layer. */
70     */          protected StyledLayerInterface<?> layer = null;
71    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {          /** Contains only the visible elements of the {@link AttributeMetaData}-Map */
72      super();          protected Map<Integer, AttributeMetaData> visibleAMD = null;
73      setFeatureCollection(map, filter);          /** Holds the data source for the table as {@code FeatureSource}. */
74    }          protected FeatureSource featureSource = null;
75            /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */
76    /**          protected Map<Integer, AttributeMetaData> origAMD = null;
77     * Creates a new table model for a styled map.          /** Holds the current filter on the table */
78     * @param map the styled map          protected Filter filter = null;
79     */          /** Holds the Bounds for all features. Only set once during the constructor **/
80    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {          protected Envelope bounds;
81      this(map,Filter.INCLUDE);  
82    }          
83    
84    /**          /**
85     * Creates a new table model for a styled map.           * Creates a new table model for a styled layer.
86     * @param map the styled map           *
87     * @param filter filter applied to the table           * @param layer
88     */           *            the styled layer
89    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {           */
90      super();          public StyledFeatureCollectionTableModel(
91      setFeatureCollection(map, filter);                          StyledFeatureCollectionInterface layer) {
92    }                  this(layer, Filter.INCLUDE);
93            }
94    /**  
95     * Sets a new data source for the table.          /**
96     * @param fs     the feature source           * Creates a new table model for a styled layer.
97     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           *
98     *               and translation           * @param layer
99     */           *            the styled layer
100    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {           * @param filter
101      if ( filter == null )           *            filter applied to the table
102        filter = Filter.INCLUDE;           */
103                public StyledFeatureCollectionTableModel(
104      this.featureSource = fs;                          StyledFeatureCollectionInterface layer, Filter filter) {
105      this.filter        = filter;                  super();
106      this.origAMD       = amd;                  setFeatureCollection(layer, filter);
107      this.visibleAMD    = null;          }
108        
109      FeatureCollection fc = null;  
110      if (fs != null) {          /**
111                     * Creates a new table model for a styled layer.
112         bounds = fs.getBounds();           *
113                     * @param layer
114        Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter);           *            the styled layer
115        if (amd != null) {           */
116          // determine the names of the visible Attributes          public StyledFeatureCollectionTableModel(StyledFeaturesInterface layer) {
117          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);                  this(layer, Filter.INCLUDE);
118          Vector<String> visibleAttrNames = new Vector<String>();          }
119          // Add the column with the geometry (usually "the_geom")  
120          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());          /**
121          for (int attrIdx : visibleAMD.keySet())           * Creates a new table model for a styled layer.
122            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());           *
123             * @param layer
124          // create a query for the visible attributes           *            the styled layer
125          String[] properties = visibleAttrNames.toArray(new String[0]);           * @param filter
126                     *            filter applied to the table
127          LOGGER.debug("Query contains the following attributes: " + visibleAttrNames);           */
128                    public StyledFeatureCollectionTableModel(StyledFeaturesInterface layer,
129          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);                          Filter filter) {
130        }                  super();
131        fc = fs.getFeatures(query);                  setFeatureCollection(layer, filter);
132            }
133  // FAILS:!!!, even with  query = new DefaultQuery(fs.getSchema().getTypeName(), filter);  
134                          // java.lang.UnsupportedOperationException: Unknown feature          /**
135                          // attribute: PQM_MOD           * Sets a new data source for the table.
136                          // at           *
137                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)           * @param fs
138                          // bounds = fc.getBounds();           *            the feature source
139                          // SK, 17.4.2009           * @param amd
140                          //                 *            {@link AttributeMetaData}-Map to define the visible attributes
141                          // System.out.println("Filter = "+filter);           *            and translation
142                          // System.out.println("Size of FC = "+fc.size());           */
143                          // System.out.println("anz att= "+fc.getNumberOfAttributes());          protected void setFeatureSource(FeatureSource fs,
144      }                          Map<Integer, AttributeMetaData> amd, Filter filter)
145      setFeatureCollection(fc);                          throws Exception {
146    }                  if (filter == null)
147                            filter = Filter.INCLUDE;
148    /**  
149     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                  this.featureSource = fs;
150     * and sets this as the new data source for the table.                  this.filter = filter;
151     * @param fs     the feature source                  this.origAMD = amd;
152     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                  this.visibleAMD = null;
153     *               and translation  
154     */                  FeatureCollection fc = null;
155    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                  if (fs != null) {
156      this.map = map;  
157      try {                          bounds = fs.getBounds();
158        if (map == null)  
159          setFeatureSource(null, null, null);                          Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter);
160        else {                          if (amd != null) {
161          FeatureCollection fc = map.getGeoObject();                                  // determine the names of the visible Attributes
162          String fcName = fc.getSchema().getTypeName();                                  this.visibleAMD = StyledLayerUtil.getVisibleAttributeMetaData(
163          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                                                  amd, true);
164          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                                  Vector<String> visibleAttrNames = new Vector<String>();
165        }                                  // Add the column with the geometry (usually "the_geom")
166      } catch (Exception err) {                                  visibleAttrNames.add(fs.getSchema().getDefaultGeometry()
167        throw new RuntimeException(err);                                                  .getLocalName());
168      }                                  for (int attrIdx : visibleAMD.keySet()) {
169    }  
170                                            /**
171    /**                                           * If the user removed columns from the schema of the DBF
172     * Sets the {@code StyledFeatureCollection} as new data source for the table.                                           * file, there might exist AttributeMetaData for columns
173     * @param fs     the feature source                                           * that don't exists. We check here to avoid an
174     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                           * ArrayOutOfIndex.
175     *               and translation                                           */
176     */                                          if (attrIdx < fs.getSchema().getAttributeCount()) {
177    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {                                                  final AttributeDescriptor attributeTypeAtIdx = fs.getSchema()
178      this.map = map;                                                                  .getAttributeType(attrIdx);
179      try {                                                  visibleAttrNames.add(attributeTypeAtIdx.getLocalName());
180        if (map == null)                                          } else {
181          setFeatureSource(null, null, null);                                                  LOGGER.warn("AttributeMetaData has been found for columnIdx="+attrIdx+", but fs.getSchema().getAttributeCount() = "+fs.getSchema().getAttributeCount()+". Ignored.");
182        else                                          }
183          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                                  }
184      } catch (Exception err) {  
185        throw new RuntimeException(err);                                  // create a query for the visible attributes
186      }                                  String[] properties = visibleAttrNames.toArray(new String[0]);
187    }  
188                                      LOGGER.debug("Query contains the following attributes: "
189    /**                                                  + visibleAttrNames);
190     * Resets the filter for the table.  
191     * @param filter a filter                                  query = new DefaultQuery(fs.getSchema().getTypeName(), filter,
192     */                                                  properties);
193    public void setFilter(Filter filter) {                          }
194      try{                          fc = fs.getFeatures(query);
195        setFeatureSource(this.featureSource, this.origAMD, filter);  
196      } catch (Exception err) {                          // FAILS:!!!, even with query = new
197          LOGGER.error("Setting the filter of the table model", err);                          // DefaultQuery(fs.getSchema().getTypeName(), filter);
198        throw new RuntimeException(err);                          // java.lang.UnsupportedOperationException: Unknown feature
199      }                          // attribute: PQM_MOD
200    }                          // at
201                              // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)
202    /**                          // bounds = fc.getBounds();
203     * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the Features                          // SK, 17.4.2009
204     */                          //      
205    public Filter getFilter() {                          // System.out.println("Filter = "+filter);
206            return this.filter;                          // System.out.println("Size of FC = "+fc.size());
207    }                          // System.out.println("anz att= "+fc.getNumberOfAttributes());
208                    }
209    /**                  setFeatureCollection(fc);
210     * After calling {@code super.reorganize(.)} this method replaced the          }
211     * column descriptions with the titles of the {@code AttributeMetaData}.  
212     * @param fireTableStructureChanged indicates whether a table event is          /**
213     *        initiated after reorganize           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
214     */           * and sets this as the new data source for the table.
215    @Override           *
216    protected void reorganize(boolean fireTableStructureChanged) {           * @param fs
217      super.reorganize(false);           *            the feature source
218      // translate the column names           * @param amd
219      if (visibleAMD != null) {           *            {@link AttributeMetaData}-Map to define the visible attributes
220        Iterator<Integer> keys = visibleAMD.keySet().iterator();           *            and translation
221        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {           */
222          Translation title = visibleAMD.get(keys.next()).getTitle();          public void setFeatureCollection(StyledFeaturesInterface layer,
223          if (!I8NUtil.isEmpty(title)) {                          Filter filter) {
224  //          System.out.println("set colname " + i + " to " + title.toString());                  this.layer = layer;
225            colNames[i] = title.toString();                  try {
226          }                          if (layer == null)
227        }                                  setFeatureSource(null, null, null);
228      }                          else {
229      if ( fireTableStructureChanged )                                  FeatureCollection fc = layer.getFeatureCollection();
230        fireTableStructureChanged();                                  String fcName = fc.getSchema().getTypeName();
231    }                                  FeatureSource fs = new MemoryDataStore(fc)
232                                                    .getFeatureSource(fcName);
233    /**                                  setFeatureSource(fs, layer.getAttributeMetaDataMap(), filter);
234           * @returns Cached bounds for the whole dataset (without applying the                          }
235           *          filter) or <code>null</code>                  } catch (Exception err) {
236           */                          throw new RuntimeException(err);
237          public Envelope getBounds() {                  }
238                  return bounds;          }
239          }  
240  }          /**
241             * Sets the {@code StyledFeatureCollection} as new data source for the
242             * table.
243             *
244             * @param fs
245             *            the feature source
246             * @param amd
247             *            {@link AttributeMetaData}-Map to define the visible attributes
248             *            and translation
249             */
250            public void setFeatureCollection(StyledFeatureSourceInterface layer,
251                            Filter filter) {
252                    this.layer = layer;
253                    try {
254                            if (layer == null)
255                                    setFeatureSource(null, null, null);
256                            else
257                                    setFeatureSource(layer.getGeoObject(), layer
258                                                    .getAttributeMetaDataMap(), filter);
259                    } catch (Exception err) {
260                            throw new RuntimeException(err);
261                    }
262            }
263    
264            /**
265             * Resets the filter for the table.
266             *
267             * @param filter
268             *            a filter
269             */
270            public void setFilter(Filter filter) {
271                    try {
272                            setFeatureSource(this.featureSource, this.origAMD, filter);
273                    } catch (Exception err) {
274                            LOGGER.error("Setting the filter of the table model", err);
275                            throw new RuntimeException(err);
276                    }
277            }
278    
279            /**
280             * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the
281             *         Features
282             */
283            public Filter getFilter() {
284                    return this.filter;
285            }
286    
287            /**
288             * After calling {@code super.reorganize(.)} this method replaced the column
289             * descriptions with the titles of the {@code AttributeMetaData}.
290             *
291             * @param fireTableStructureChanged
292             *            indicates whether a table event is initiated after reorganize
293             */
294            @Override
295            protected void reorganize(boolean fireTableStructureChanged) {
296                    super.reorganize(false);
297                    // translate the column names
298                    if (visibleAMD != null) {
299                            Iterator<Integer> keys = visibleAMD.keySet().iterator();
300                            for (int i = 0; i < colNames.length && keys.hasNext(); i++) {
301                                    Translation title = visibleAMD.get(keys.next()).getTitle();
302                                    if (!I8NUtil.isEmpty(title)) {
303                                            // System.out.println("set colname " + i + " to " +
304                                            // title.toString());
305                                            colNames[i] = title.toString();
306                                    }
307                            }
308                    }
309                    if (fireTableStructureChanged)
310                            fireTableStructureChanged();
311            }
312    
313            /**
314             * @return Cached bounds for the whole dataset (without applying the filter)
315             *         or <code>null</code>
316             */
317            public Envelope getBounds() {
318                    return bounds;
319            }
320    }

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