/[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 341 by alfonx, Mon Aug 31 10:16:40 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.simple.SimpleFeature;
43  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {  import org.opengis.feature.simple.SimpleFeatureType;
44    final static private Logger LOGGER = Logger.getLogger(StyledFeatureCollectionTableModel.class);  import org.opengis.feature.type.AttributeDescriptor;
45    /** Holds the data source as styled map. */  import org.opengis.filter.Filter;
46    protected StyledMapInterface<?> map = null;  
47    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  import schmitzm.geotools.gui.FeatureCollectionTableModel;
48    protected Map<Integer, AttributeMetaData> visibleAMD = null;  import skrueger.AttributeMetaData;
49    /** Holds the data source for the table as {@code FeatureSource}. */  import skrueger.i8n.I8NUtil;
50    protected FeatureSource featureSource = null;  import skrueger.i8n.Translation;
51    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */  
52    protected Map<Integer, AttributeMetaData> origAMD = null;  import com.vividsolutions.jts.geom.Envelope;
53    /** Holds the current filter on the table */  
54    protected Filter filter = null;  /**
55    /** Holds the Bounds for all features. Only set once during the constructor **/   * This class extends the the {@link FeatureCollectionTableModel} with the
56    protected Envelope bounds;   * functionalities of the {@link AttributeMetaData} of
57     * {@linkplain StyledLayerInterface styled objects}.
58    /**   * <ul>
59     * Creates a new table model for a styled map.   * <li>column names are translated according to
60     * @param map the styled map   * {@link AttributeMetaData#getTitle()}</li>
61     */   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
62    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * </ul>
63      this(map,Filter.INCLUDE);   *
64    }   * @author <a href="mailto:[email protected]">Martin Schmitz</a>
65     *         (University of Bonn/Germany)
66    /**   */
67     * Creates a new table model for a styled map.  public class StyledFeatureCollectionTableModel extends
68     * @param map the styled map                  FeatureCollectionTableModel {
69     * @param filter filter applied to the table          final static private Logger LOGGER = Logger
70     */                          .getLogger(StyledFeatureCollectionTableModel.class);
71    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {          /** Holds the data source as styled layer. */
72      super();          protected StyledLayerInterface<?> layer = null;
73      setFeatureCollection(map, filter);          /** Contains only the visible elements of the {@link AttributeMetaData}-Map */
74    }          protected Map<Integer, AttributeMetaData> visibleAMD = null;
75            /** Holds the data source for the table as {@code FeatureSource}. */
76    /**          protected FeatureSource featureSource = null;
77     * Creates a new table model for a styled map.          /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */
78     * @param map the styled map          protected Map<Integer, AttributeMetaData> origAMD = null;
79     */          /** Holds the current filter on the table */
80    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {          protected Filter filter = null;
81      this(map,Filter.INCLUDE);          /** Holds the Bounds for all features. Only set once during the constructor **/
82    }          protected Envelope bounds;
83    
84    /**          
85     * Creates a new table model for a styled map.  
86     * @param map the styled map          /**
87     * @param filter filter applied to the table           * Creates a new table model for a styled layer.
88     */           *
89    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {           * @param layer
90      super();           *            the styled layer
91      setFeatureCollection(map, filter);           */
92    }          public StyledFeatureCollectionTableModel(
93                            StyledFeatureCollectionInterface layer) {
94    /**                  this(layer, Filter.INCLUDE);
95     * Sets a new data source for the table.          }
96     * @param fs     the feature source  
97     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes          /**
98     *               and translation           * Creates a new table model for a styled layer.
99     */           *
100    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {           * @param layer
101      if ( filter == null )           *            the styled layer
102        filter = Filter.INCLUDE;           * @param filter
103                 *            filter applied to the table
104      this.featureSource = fs;           */
105      this.filter        = filter;          public StyledFeatureCollectionTableModel(
106      this.origAMD       = amd;                          StyledFeatureCollectionInterface layer, Filter filter) {
107      this.visibleAMD    = null;                  super();
108                        setFeatureCollection(layer, filter);
109      FeatureCollection fc = null;          }
110      if (fs != null) {  
111            
112         bounds = fs.getBounds();          /**
113                     * Creates a new table model for a styled layer.
114        Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter);           *
115        if (amd != null) {           * @param layer
116          // determine the names of the visible Attributes           *            the styled layer
117          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);           */
118          Vector<String> visibleAttrNames = new Vector<String>();          public StyledFeatureCollectionTableModel(StyledFeaturesInterface layer) {
119          // Add the column with the geometry (usually "the_geom")                  this(layer, Filter.INCLUDE);
120          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());          }
121          for (int attrIdx : visibleAMD.keySet())  
122            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());          /**
123             * Creates a new table model for a styled layer.
124          // create a query for the visible attributes           *
125          String[] properties = visibleAttrNames.toArray(new String[0]);           * @param layer
126                     *            the styled layer
127          LOGGER.debug("Query contains the following attributes: " + visibleAttrNames);           * @param filter
128                     *            filter applied to the table
129          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);           */
130        }          public StyledFeatureCollectionTableModel(StyledFeaturesInterface layer,
131        fc = fs.getFeatures(query);                          Filter filter) {
132                    super();
133  // FAILS:!!!, even with  query = new DefaultQuery(fs.getSchema().getTypeName(), filter);                  setFeatureCollection(layer, filter);
134                          // java.lang.UnsupportedOperationException: Unknown feature          }
135                          // attribute: PQM_MOD  
136                          // at          /**
137                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)           * Sets a new data source for the table.
138                          // bounds = fc.getBounds();           *
139                          // SK, 17.4.2009           * @param fs
140                          //                 *            the feature source
141                          // System.out.println("Filter = "+filter);           * @param amd
142                          // System.out.println("Size of FC = "+fc.size());           *            {@link AttributeMetaData}-Map to define the visible attributes
143                          // System.out.println("anz att= "+fc.getNumberOfAttributes());           *            and translation
144      }           */
145      setFeatureCollection(fc);          protected void setFeatureSource(FeatureSource<SimpleFeatureType, SimpleFeature> fs,
146    }                          Map<Integer, AttributeMetaData> amd, Filter filter)
147                            throws Exception {
148    /**                  if (filter == null)
149     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                          filter = Filter.INCLUDE;
150     * and sets this as the new data source for the table.  
151     * @param fs     the feature source                  this.featureSource = fs;
152     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                  this.filter = filter;
153     *               and translation                  this.origAMD = amd;
154     */                  this.visibleAMD = null;
155    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {  
156      this.map = map;                  FeatureCollection fc = null;
157      try {                  if (fs != null) {
158        if (map == null)  
159          setFeatureSource(null, null, null);                          bounds = fs.getBounds();
160        else {  
161          FeatureCollection fc = map.getGeoObject();                          Query query = new DefaultQuery(fs.getSchema().getName().getLocalPart(), filter);
162          String fcName = fc.getSchema().getTypeName();                          if (amd != null) {
163          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                                  // determine the names of the visible Attributes
164          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                                  this.visibleAMD = StyledLayerUtil.getVisibleAttributeMetaData(
165        }                                                  amd, true);
166      } catch (Exception err) {                                  Vector<String> visibleAttrNames = new Vector<String>();
167        throw new RuntimeException(err);                                  // Add the column with the geometry (usually "the_geom")
168      }                                  visibleAttrNames.add(fs.getSchema().getGeometryDescriptor()
169    }                                                  .getLocalName());
170                                    for (int attrIdx : visibleAMD.keySet()) {
171    /**  
172     * Sets the {@code StyledFeatureCollection} as new data source for the table.                                          /**
173     * @param fs     the feature source                                           * If the user removed columns from the schema of the DBF
174     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                           * file, there might exist AttributeMetaData for columns
175     *               and translation                                           * that don't exists. We check here to avoid an
176     */                                           * ArrayOutOfIndex.
177    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {                                           */
178      this.map = map;                                          if (attrIdx < fs.getSchema().getAttributeCount()) {
179      try {                                                  final AttributeDescriptor attributeTypeAtIdx = fs.getSchema()
180        if (map == null)                                                                  .getAttributeDescriptors().get(attrIdx);
181          setFeatureSource(null, null, null);                                                  visibleAttrNames.add(attributeTypeAtIdx.getLocalName());
182        else                                          } else {
183          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                                                  LOGGER.warn("AttributeMetaData has been found for columnIdx="+attrIdx+", but fs.getSchema().getAttributeCount() = "+fs.getSchema().getAttributeCount()+". Ignored.");
184      } catch (Exception err) {                                          }
185        throw new RuntimeException(err);                                  }
186      }  
187    }                                  // create a query for the visible attributes
188                                      String[] properties = visibleAttrNames.toArray(new String[0]);
189    /**  
190     * Resets the filter for the table.                                  LOGGER.debug("Query contains the following attributes: "
191     * @param filter a filter                                                  + visibleAttrNames);
192     */  
193    public void setFilter(Filter filter) {                                  query = new DefaultQuery(fs.getSchema().getTypeName(), filter,
194      try{                                                  properties);
195        setFeatureSource(this.featureSource, this.origAMD, filter);                          }
196      } catch (Exception err) {                          fc = fs.getFeatures(query);
197          LOGGER.error("Setting the filter of the table model", err);  
198        throw new RuntimeException(err);                          // FAILS:!!!, even with query = new
199      }                          // DefaultQuery(fs.getSchema().getTypeName(), filter);
200    }                          // java.lang.UnsupportedOperationException: Unknown feature
201                              // attribute: PQM_MOD
202    /**                          // at
203     * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the Features                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)
204     */                          // bounds = fc.getBounds();
205    public Filter getFilter() {                          // SK, 17.4.2009
206            return this.filter;                          //      
207    }                          // System.out.println("Filter = "+filter);
208                            // System.out.println("Size of FC = "+fc.size());
209    /**                          // System.out.println("anz att= "+fc.getNumberOfAttributes());
210     * After calling {@code super.reorganize(.)} this method replaced the                  }
211     * column descriptions with the titles of the {@code AttributeMetaData}.                  setFeatureCollection(fc);
212     * @param fireTableStructureChanged indicates whether a table event is          }
213     *        initiated after reorganize  
214     */          /**
215    @Override           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
216    protected void reorganize(boolean fireTableStructureChanged) {           * and sets this as the new data source for the table.
217      super.reorganize(false);           *
218      // translate the column names           * @param fs
219      if (visibleAMD != null) {           *            the feature source
220        Iterator<Integer> keys = visibleAMD.keySet().iterator();           * @param amd
221        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {           *            {@link AttributeMetaData}-Map to define the visible attributes
222          Translation title = visibleAMD.get(keys.next()).getTitle();           *            and translation
223          if (!I8NUtil.isEmpty(title)) {           */
224  //          System.out.println("set colname " + i + " to " + title.toString());          public void setFeatureCollection(StyledFeaturesInterface layer,
225            colNames[i] = title.toString();                          Filter filter) {
226          }                  this.layer = layer;
227        }                  try {
228      }                          if (layer == null)
229      if ( fireTableStructureChanged )                                  setFeatureSource(null, null, null);
230        fireTableStructureChanged();                          else {
231    }                                  FeatureCollection fc = layer.getFeatureCollection();
232                                    String fcName = fc.getSchema().getName().getLocalPart();
233    /**                                  FeatureSource fs = new MemoryDataStore(fc)
234           * @returns Cached bounds for the whole dataset (without applying the                                                  .getFeatureSource(fcName);
235           *          filter) or <code>null</code>                                  setFeatureSource(fs, layer.getAttributeMetaDataMap(), filter);
236           */                          }
237          public Envelope getBounds() {                  } catch (Exception err) {
238                  return bounds;                          throw new RuntimeException(err);
239          }                  }
240  }          }
241    
242            /**
243             * Sets the {@code StyledFeatureCollection} as new data source for the
244             * table.
245             *
246             * @param fs
247             *            the feature source
248             * @param amd
249             *            {@link AttributeMetaData}-Map to define the visible attributes
250             *            and translation
251             */
252            public void setFeatureCollection(StyledFeatureSourceInterface layer,
253                            Filter filter) {
254                    this.layer = layer;
255                    try {
256                            if (layer == null)
257                                    setFeatureSource(null, null, null);
258                            else
259                                    setFeatureSource(layer.getGeoObject(), layer
260                                                    .getAttributeMetaDataMap(), filter);
261                    } catch (Exception err) {
262                            throw new RuntimeException(err);
263                    }
264            }
265    
266            /**
267             * Resets the filter for the table.
268             *
269             * @param filter
270             *            a filter
271             */
272            public void setFilter(Filter filter) {
273                    try {
274                            setFeatureSource(this.featureSource, this.origAMD, filter);
275                    } catch (Exception err) {
276                            LOGGER.error("Setting the filter of the table model", err);
277                            throw new RuntimeException(err);
278                    }
279            }
280    
281            /**
282             * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the
283             *         Features
284             */
285            public Filter getFilter() {
286                    return this.filter;
287            }
288    
289            /**
290             * After calling {@code super.reorganize(.)} this method replaced the column
291             * descriptions with the titles of the {@code AttributeMetaData}.
292             *
293             * @param fireTableStructureChanged
294             *            indicates whether a table event is initiated after reorganize
295             */
296            @Override
297            protected void reorganize(boolean fireTableStructureChanged) {
298                    super.reorganize(false);
299                    // translate the column names
300                    if (visibleAMD != null) {
301                            Iterator<Integer> keys = visibleAMD.keySet().iterator();
302                            for (int i = 0; i < colNames.length && keys.hasNext(); i++) {
303                                    Translation title = visibleAMD.get(keys.next()).getTitle();
304                                    if (!I8NUtil.isEmpty(title)) {
305                                            // System.out.println("set colname " + i + " to " +
306                                            // title.toString());
307                                            colNames[i] = title.toString();
308                                    }
309                            }
310                    }
311                    if (fireTableStructureChanged)
312                            fireTableStructureChanged();
313            }
314    
315            /**
316             * @return Cached bounds for the whole dataset (without applying the filter)
317             *         or <code>null</code>
318             */
319            public Envelope getBounds() {
320                    return bounds;
321            }
322    }

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