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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 145 by alfonx, Thu Jun 18 00:28:28 2009 UTC branches/1.0-gt2-2.6/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 335 by alfonx, Wed Aug 26 18:09:39 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.feature.type.FeatureType;
46    protected StyledMapInterface<?> map = null;  import org.opengis.filter.Filter;
47    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  
48    protected Map<Integer, AttributeMetaData> visibleAMD = null;  import schmitzm.geotools.gui.FeatureCollectionTableModel;
49    /** Holds the data source for the table as {@code FeatureSource}. */  import skrueger.AttributeMetaData;
50    protected FeatureSource featureSource = null;  import skrueger.i8n.I8NUtil;
51    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */  import skrueger.i8n.Translation;
52    protected Map<Integer, AttributeMetaData> origAMD = null;  
53    /** Holds the current filter on the table */  import com.vividsolutions.jts.geom.Envelope;
54    protected Filter filter = null;  
55    /** Holds the Bounds for all features. Only set once during the constructor **/  /**
56    protected Envelope bounds;   * This class extends the the {@link FeatureCollectionTableModel} with the
57     * functionalities of the {@link AttributeMetaData} of
58    /**   * {@linkplain StyledLayerInterface styled objects}.
59     * Creates a new table model for a styled map.   * <ul>
60     * @param map the styled map   * <li>column names are translated according to
61     */   * {@link AttributeMetaData#getTitle()}</li>
62    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
63      this(map,Filter.INCLUDE);   * </ul>
64    }   *
65     * @author <a href="mailto:[email protected]">Martin Schmitz</a>
66    /**   *         (University of Bonn/Germany)
67     * Creates a new table model for a styled map.   */
68     * @param map the styled map  public class StyledFeatureCollectionTableModel extends
69     * @param filter filter applied to the table                  FeatureCollectionTableModel {
70     */          final static private Logger LOGGER = Logger
71    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {                          .getLogger(StyledFeatureCollectionTableModel.class);
72      super();          /** Holds the data source as styled layer. */
73      setFeatureCollection(map, filter);          protected StyledLayerInterface<?> layer = null;
74    }          /** Contains only the visible elements of the {@link AttributeMetaData}-Map */
75            protected Map<Integer, AttributeMetaData> visibleAMD = null;
76    /**          /** Holds the data source for the table as {@code FeatureSource}. */
77     * Creates a new table model for a styled map.          protected FeatureSource featureSource = null;
78     * @param map the styled map          /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */
79     */          protected Map<Integer, AttributeMetaData> origAMD = null;
80    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {          /** Holds the current filter on the table */
81      this(map,Filter.INCLUDE);          protected Filter filter = null;
82    }          /** Holds the Bounds for all features. Only set once during the constructor **/
83            protected Envelope bounds;
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          /**
88     */           * Creates a new table model for a styled layer.
89    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {           *
90      super();           * @param layer
91      setFeatureCollection(map, filter);           *            the styled layer
92    }           */
93            public StyledFeatureCollectionTableModel(
94    /**                          StyledFeatureCollectionInterface layer) {
95     * Sets a new data source for the table.                  this(layer, Filter.INCLUDE);
96     * @param fs     the feature source          }
97     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes  
98     *               and translation          /**
99     */           * Creates a new table model for a styled layer.
100    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {           *
101      if ( filter == null )           * @param layer
102        filter = Filter.INCLUDE;           *            the styled layer
103                 * @param filter
104      this.featureSource = fs;           *            filter applied to the table
105      this.filter        = filter;           */
106      this.origAMD       = amd;          public StyledFeatureCollectionTableModel(
107      this.visibleAMD    = null;                          StyledFeatureCollectionInterface layer, Filter filter) {
108                        super();
109      FeatureCollection fc = null;                  setFeatureCollection(layer, filter);
110      if (fs != null) {          }
111            
112         bounds = fs.getBounds();  
113                    /**
114        Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter);           * Creates a new table model for a styled layer.
115        if (amd != null) {           *
116          // determine the names of the visible Attributes           * @param layer
117          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);           *            the styled layer
118          Vector<String> visibleAttrNames = new Vector<String>();           */
119          // Add the column with the geometry (usually "the_geom")          public StyledFeatureCollectionTableModel(StyledFeaturesInterface layer) {
120          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());                  this(layer, Filter.INCLUDE);
121          for (int attrIdx : visibleAMD.keySet())          }
122            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());  
123            /**
124          // create a query for the visible attributes           * Creates a new table model for a styled layer.
125          String[] properties = visibleAttrNames.toArray(new String[0]);           *
126                     * @param layer
127          LOGGER.debug("Query contains the following attributes: " + visibleAttrNames);           *            the styled layer
128                     * @param filter
129          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);           *            filter applied to the table
130        }           */
131        fc = fs.getFeatures(query);          public StyledFeatureCollectionTableModel(StyledFeaturesInterface layer,
132                            Filter filter) {
133  // FAILS:!!!, even with  query = new DefaultQuery(fs.getSchema().getTypeName(), filter);                  super();
134                          // java.lang.UnsupportedOperationException: Unknown feature                  setFeatureCollection(layer, filter);
135                          // attribute: PQM_MOD          }
136                          // at  
137                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)          /**
138                          // bounds = fc.getBounds();           * Sets a new data source for the table.
139                          // SK, 17.4.2009           *
140                          //                 * @param fs
141                          // System.out.println("Filter = "+filter);           *            the feature source
142                          // System.out.println("Size of FC = "+fc.size());           * @param amd
143                          // System.out.println("anz att= "+fc.getNumberOfAttributes());           *            {@link AttributeMetaData}-Map to define the visible attributes
144      }           *            and translation
145      setFeatureCollection(fc);           */
146    }          protected void setFeatureSource(FeatureSource<SimpleFeatureType, SimpleFeature> fs,
147                            Map<Integer, AttributeMetaData> amd, Filter filter)
148    /**                          throws Exception {
149     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                  if (filter == null)
150     * and sets this as the new data source for the table.                          filter = Filter.INCLUDE;
151     * @param fs     the feature source  
152     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                  this.featureSource = fs;
153     *               and translation                  this.filter = filter;
154     */                  this.origAMD = amd;
155    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                  this.visibleAMD = null;
156      this.map = map;  
157      try {                  FeatureCollection fc = null;
158        if (map == null)                  if (fs != null) {
159          setFeatureSource(null, null, null);  
160        else {                          bounds = fs.getBounds();
161          FeatureCollection fc = map.getGeoObject();  
162          String fcName = fc.getSchema().getTypeName();                          Query query = new DefaultQuery(fs.getSchema().getName().getLocalPart(), filter);
163          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                          if (amd != null) {
164          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                                  // determine the names of the visible Attributes
165        }                                  this.visibleAMD = StyledLayerUtil.getVisibleAttributeMetaData(
166      } catch (Exception err) {                                                  amd, true);
167        throw new RuntimeException(err);                                  Vector<String> visibleAttrNames = new Vector<String>();
168      }                                  // Add the column with the geometry (usually "the_geom")
169    }                                  visibleAttrNames.add(fs.getSchema().getGeometryDescriptor()
170                                                    .getLocalName());
171    /**                                  for (int attrIdx : visibleAMD.keySet()) {
172     * Sets the {@code StyledFeatureCollection} as new data source for the table.  
173     * @param fs     the feature source                                          /**
174     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                           * If the user removed columns from the schema of the DBF
175     *               and translation                                           * file, there might exist AttributeMetaData for columns
176     */                                           * that don't exists. We check here to avoid an
177    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {                                           * ArrayOutOfIndex.
178      this.map = map;                                           */
179      try {                                          if (attrIdx < fs.getSchema().getAttributeCount()) {
180        if (map == null)                                                  final AttributeDescriptor attributeTypeAtIdx = fs.getSchema()
181          setFeatureSource(null, null, null);                                                                  .getAttributeDescriptors().get(attrIdx);
182        else                                                  visibleAttrNames.add(attributeTypeAtIdx.getLocalName());
183          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                                          } else {
184      } catch (Exception err) {                                                  LOGGER.warn("AttributeMetaData has been found for columnIdx="+attrIdx+", but fs.getSchema().getAttributeCount() = "+fs.getSchema().getAttributeCount()+". Ignored.");
185        throw new RuntimeException(err);                                          }
186      }                                  }
187    }  
188                                      // create a query for the visible attributes
189    /**                                  String[] properties = visibleAttrNames.toArray(new String[0]);
190     * Resets the filter for the table.  
191     * @param filter a filter                                  LOGGER.debug("Query contains the following attributes: "
192     */                                                  + visibleAttrNames);
193    public void setFilter(Filter filter) {  
194      try{                                  query = new DefaultQuery(fs.getSchema().getTypeName(), filter,
195        setFeatureSource(this.featureSource, this.origAMD, filter);                                                  properties);
196      } catch (Exception err) {                          }
197          LOGGER.error("Setting the filter of the table model", err);                          fc = fs.getFeatures(query);
198        throw new RuntimeException(err);  
199      }                          // FAILS:!!!, even with query = new
200    }                          // DefaultQuery(fs.getSchema().getTypeName(), filter);
201                              // java.lang.UnsupportedOperationException: Unknown feature
202    /**                          // attribute: PQM_MOD
203     * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the Features                          // at
204     */                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)
205    public Filter getFilter() {                          // bounds = fc.getBounds();
206            return this.filter;                          // SK, 17.4.2009
207    }                          //      
208                            // System.out.println("Filter = "+filter);
209    /**                          // System.out.println("Size of FC = "+fc.size());
210     * After calling {@code super.reorganize(.)} this method replaced the                          // System.out.println("anz att= "+fc.getNumberOfAttributes());
211     * column descriptions with the titles of the {@code AttributeMetaData}.                  }
212     * @param fireTableStructureChanged indicates whether a table event is                  setFeatureCollection(fc);
213     *        initiated after reorganize          }
214     */  
215    @Override          /**
216    protected void reorganize(boolean fireTableStructureChanged) {           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
217      super.reorganize(false);           * and sets this as the new data source for the table.
218      // translate the column names           *
219      if (visibleAMD != null) {           * @param fs
220        Iterator<Integer> keys = visibleAMD.keySet().iterator();           *            the feature source
221        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {           * @param amd
222          Translation title = visibleAMD.get(keys.next()).getTitle();           *            {@link AttributeMetaData}-Map to define the visible attributes
223          if (!I8NUtil.isEmpty(title)) {           *            and translation
224  //          System.out.println("set colname " + i + " to " + title.toString());           */
225            colNames[i] = title.toString();          public void setFeatureCollection(StyledFeaturesInterface layer,
226          }                          Filter filter) {
227        }                  this.layer = layer;
228      }                  try {
229      if ( fireTableStructureChanged )                          if (layer == null)
230        fireTableStructureChanged();                                  setFeatureSource(null, null, null);
231    }                          else {
232                                    FeatureCollection fc = layer.getFeatureCollection();
233    /**                                  String fcName = fc.getSchema().getName().getLocalPart();
234           * @return Cached bounds for the whole dataset (without applying the                                  FeatureSource fs = new MemoryDataStore(fc)
235           *          filter) or <code>null</code>                                                  .getFeatureSource(fcName);
236           */                                  setFeatureSource(fs, layer.getAttributeMetaDataMap(), filter);
237          public Envelope getBounds() {                          }
238                  return bounds;                  } catch (Exception err) {
239          }                          throw new RuntimeException(err);
240  }                  }
241            }
242    
243            /**
244             * Sets the {@code StyledFeatureCollection} as new data source for the
245             * table.
246             *
247             * @param fs
248             *            the feature source
249             * @param amd
250             *            {@link AttributeMetaData}-Map to define the visible attributes
251             *            and translation
252             */
253            public void setFeatureCollection(StyledFeatureSourceInterface layer,
254                            Filter filter) {
255                    this.layer = layer;
256                    try {
257                            if (layer == null)
258                                    setFeatureSource(null, null, null);
259                            else
260                                    setFeatureSource(layer.getGeoObject(), layer
261                                                    .getAttributeMetaDataMap(), filter);
262                    } catch (Exception err) {
263                            throw new RuntimeException(err);
264                    }
265            }
266    
267            /**
268             * Resets the filter for the table.
269             *
270             * @param filter
271             *            a filter
272             */
273            public void setFilter(Filter filter) {
274                    try {
275                            setFeatureSource(this.featureSource, this.origAMD, filter);
276                    } catch (Exception err) {
277                            LOGGER.error("Setting the filter of the table model", err);
278                            throw new RuntimeException(err);
279                    }
280            }
281    
282            /**
283             * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the
284             *         Features
285             */
286            public Filter getFilter() {
287                    return this.filter;
288            }
289    
290            /**
291             * After calling {@code super.reorganize(.)} this method replaced the column
292             * descriptions with the titles of the {@code AttributeMetaData}.
293             *
294             * @param fireTableStructureChanged
295             *            indicates whether a table event is initiated after reorganize
296             */
297            @Override
298            protected void reorganize(boolean fireTableStructureChanged) {
299                    super.reorganize(false);
300                    // translate the column names
301                    if (visibleAMD != null) {
302                            Iterator<Integer> keys = visibleAMD.keySet().iterator();
303                            for (int i = 0; i < colNames.length && keys.hasNext(); i++) {
304                                    Translation title = visibleAMD.get(keys.next()).getTitle();
305                                    if (!I8NUtil.isEmpty(title)) {
306                                            // System.out.println("set colname " + i + " to " +
307                                            // title.toString());
308                                            colNames[i] = title.toString();
309                                    }
310                            }
311                    }
312                    if (fireTableStructureChanged)
313                            fireTableStructureChanged();
314            }
315    
316            /**
317             * @return Cached bounds for the whole dataset (without applying the filter)
318             *         or <code>null</code>
319             */
320            public Envelope getBounds() {
321                    return bounds;
322            }
323    }

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