/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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revision 112 by mojays, Wed May 13 09:18:53 2009 UTC revision 256 by alfonx, Fri Jul 31 14:43:47 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.TreeMap;   * This program is distributed in the hope that it will be useful,
17  import java.util.Vector;   * but WITHOUT ANY WARRANTY; without even the implied warranty of
18     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  import org.apache.log4j.Logger;   * GNU General Public License for more details.
20  import org.geotools.data.DefaultQuery;   *
21  import org.geotools.data.FeatureSource;   * You should have received a copy of the GNU Lesser General Public License (license.txt)
22  import org.geotools.data.Query;   * along with this program; if not, write to the Free Software
23  import org.geotools.data.memory.MemoryDataStore;   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
24  import org.geotools.feature.FeatureCollection;   * or try this link: http://www.gnu.org/licenses/lgpl.html
25  import org.opengis.filter.Filter;   *
26     * Contributors:
27  import com.vividsolutions.jts.geom.Envelope;   *     Martin O. J. Schmitz - initial API and implementation
28     *     Stefan A. Krüger - additional utility classes
29  import schmitzm.geotools.gui.FeatureCollectionTableModel;   ******************************************************************************/
30  import skrueger.AttributeMetaData;  package skrueger.geotools;
31  import skrueger.i8n.I8NUtil;  
32  import skrueger.i8n.Translation;  import java.util.Iterator;
33    import java.util.Map;
34  /**  import java.util.Vector;
35   * This class extends the the {@link FeatureCollectionTableModel} with the  
36   * functionalities of the {@link AttributeMetaData} of  import org.apache.log4j.Logger;
37   * {@linkplain StyledMapInterface styled objects}.  import org.geotools.data.DefaultQuery;
38   * <ul>  import org.geotools.data.FeatureSource;
39   *   <li>column names are translated according to {@link AttributeMetaData#getTitle()}</li>  import org.geotools.data.Query;
40   *   <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  import org.geotools.data.memory.MemoryDataStore;
41   * </ul>  import org.geotools.feature.AttributeType;
42   * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)  import org.geotools.feature.FeatureCollection;
43   */  import org.opengis.filter.Filter;
44  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {  
45    final static private Logger LOGGER = Logger.getLogger(StyledFeatureCollectionTableModel.class);  import schmitzm.geotools.gui.FeatureCollectionTableModel;
46    /** Holds the data source as styled map. */  import skrueger.AttributeMetaData;
47    protected StyledMapInterface<?> map = null;  import skrueger.i8n.I8NUtil;
48    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  import skrueger.i8n.Translation;
49    protected Map<Integer, AttributeMetaData> visibleAMD = null;  
50    /** Holds the data source for the table as {@code FeatureSource}. */  import com.vividsolutions.jts.geom.Envelope;
51    protected FeatureSource featureSource = null;  
52    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */  /**
53    protected Map<Integer, AttributeMetaData> origAMD = null;   * This class extends the the {@link FeatureCollectionTableModel} with the
54    /** Holds the current filter on the table */   * functionalities of the {@link AttributeMetaData} of
55    protected Filter filter = null;   * {@linkplain StyledLayerInterface styled objects}.
56    /** Holds the Bounds for all features. Only set once during the constructor **/   * <ul>
57    protected Envelope bounds;   * <li>column names are translated according to
58     * {@link AttributeMetaData#getTitle()}</li>
59    /**   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
60     * Creates a new table model for a styled map.   * </ul>
61     * @param map the styled map   *
62     */   * @author <a href="mailto:[email protected]">Martin Schmitz</a>
63    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   *         (University of Bonn/Germany)
64      this(map,Filter.INCLUDE);   */
65    }  public class StyledFeatureCollectionTableModel extends
66                    FeatureCollectionTableModel {
67    /**          final static private Logger LOGGER = Logger
68     * Creates a new table model for a styled map.                          .getLogger(StyledFeatureCollectionTableModel.class);
69     * @param map the styled map          /** Holds the data source as styled layer. */
70     * @param filter filter applied to the table          protected StyledLayerInterface<?> layer = null;
71     */          /** Contains only the visible elements of the {@link AttributeMetaData}-Map */
72    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {          protected Map<Integer, AttributeMetaData> visibleAMD = null;
73      super();          /** Holds the data source for the table as {@code FeatureSource}. */
74      setFeatureCollection(map, filter);          protected FeatureSource featureSource = null;
75    }          /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */
76            protected Map<Integer, AttributeMetaData> origAMD = null;
77    /**          /** Holds the current filter on the table */
78     * Creates a new table model for a styled map.          protected Filter filter = null;
79     * @param map the styled map          /** Holds the Bounds for all features. Only set once during the constructor **/
80     */          protected Envelope bounds;
81    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {  
82      this(map,Filter.INCLUDE);          
83    }  
84            /**
85    /**           * Creates a new table model for a styled layer.
86     * Creates a new table model for a styled map.           *
87     * @param map the styled map           * @param layer
88     * @param filter filter applied to the table           *            the styled layer
89     */           */
90    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {          public StyledFeatureCollectionTableModel(
91      super();                          StyledFeatureCollectionInterface layer) {
92      setFeatureCollection(map, filter);                  this(layer, Filter.INCLUDE);
93    }          }
94    
95    /**          /**
96     * Sets a new data source for the table.           * Creates a new table model for a styled layer.
97     * @param fs     the feature source           *
98     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           * @param layer
99     *               and translation           *            the styled layer
100     */           * @param filter
101    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {           *            filter applied to the table
102      if ( filter == null )           */
103        filter = Filter.INCLUDE;          public StyledFeatureCollectionTableModel(
104                                StyledFeatureCollectionInterface layer, Filter filter) {
105      this.featureSource = fs;                  super();
106      this.filter        = filter;                  setFeatureCollection(layer, filter);
107      this.origAMD       = amd;          }
108      this.visibleAMD    = null;  
109        
110      FeatureCollection fc = null;          /**
111      if (fs != null) {           * Creates a new table model for a styled layer.
112                     *
113         bounds = fs.getBounds();           * @param layer
114                     *            the styled layer
115        Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter);           */
116        if (amd != null) {          public StyledFeatureCollectionTableModel(StyledFeaturesInterface layer) {
117          // determine the names of the visible Attributes                  this(layer, Filter.INCLUDE);
118          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);          }
119          Vector<String> visibleAttrNames = new Vector<String>();  
120          // Add the column with the geometry (usually "the_geom")          /**
121          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());           * Creates a new table model for a styled layer.
122          for (int attrIdx : visibleAMD.keySet())           *
123            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());           * @param layer
124             *            the styled layer
125          // create a query for the visible attributes           * @param filter
126          String[] properties = visibleAttrNames.toArray(new String[0]);           *            filter applied to the table
127                     */
128          LOGGER.debug("Query contains the following attributes: " + visibleAttrNames);          public StyledFeatureCollectionTableModel(StyledFeaturesInterface layer,
129                                    Filter filter) {
130          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);                  super();
131        }                  setFeatureCollection(layer, filter);
132        fc = fs.getFeatures(query);          }
133    
134  // FAILS:!!!, even with  query = new DefaultQuery(fs.getSchema().getTypeName(), filter);          /**
135                          // java.lang.UnsupportedOperationException: Unknown feature           * Sets a new data source for the table.
136                          // attribute: PQM_MOD           *
137                          // at           * @param fs
138                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)           *            the feature source
139                          // bounds = fc.getBounds();           * @param amd
140                          // SK, 17.4.2009           *            {@link AttributeMetaData}-Map to define the visible attributes
141                          //                 *            and translation
142                          // System.out.println("Filter = "+filter);           */
143                          // System.out.println("Size of FC = "+fc.size());          protected void setFeatureSource(FeatureSource fs,
144                          // System.out.println("anz att= "+fc.getNumberOfAttributes());                          Map<Integer, AttributeMetaData> amd, Filter filter)
145      }                          throws Exception {
146      setFeatureCollection(fc);                  if (filter == null)
147    }                          filter = Filter.INCLUDE;
148    
149    /**                  this.featureSource = fs;
150     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                  this.filter = filter;
151     * and sets this as the new data source for the table.                  this.origAMD = amd;
152     * @param fs     the feature source                  this.visibleAMD = null;
153     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes  
154     *               and translation                  FeatureCollection fc = null;
155     */                  if (fs != null) {
156    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {  
157      this.map = map;                          bounds = fs.getBounds();
158      try {  
159        if (map == null)                          Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter);
160          setFeatureSource(null, null, null);                          if (amd != null) {
161        else {                                  // determine the names of the visible Attributes
162          FeatureCollection fc = map.getGeoObject();                                  this.visibleAMD = StyledLayerUtil.getVisibleAttributeMetaData(
163          String fcName = fc.getSchema().getTypeName();                                                  amd, true);
164          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                                  Vector<String> visibleAttrNames = new Vector<String>();
165          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                                  // Add the column with the geometry (usually "the_geom")
166        }                                  visibleAttrNames.add(fs.getSchema().getDefaultGeometry()
167      } catch (Exception err) {                                                  .getLocalName());
168        throw new RuntimeException(err);                                  for (int attrIdx : visibleAMD.keySet()) {
169      }  
170    }                                          /**
171                                             * If the user removed columns from the schema of the DBF
172    /**                                           * file, there might exist AttributeMetaData for columns
173     * Sets the {@code StyledFeatureCollection} as new data source for the table.                                           * that don't exists. We check here to avoid an
174     * @param fs     the feature source                                           * ArrayOutOfIndex.
175     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                           */
176     *               and translation                                          if (attrIdx < fs.getSchema().getAttributeCount()) {
177     */                                                  final AttributeType attributeTypeAtIdx = fs.getSchema()
178    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {                                                                  .getAttributeType(attrIdx);
179      this.map = map;                                                  visibleAttrNames.add(attributeTypeAtIdx.getLocalName());
180      try {                                          } else {
181        if (map == null)                                                  LOGGER.warn("AttributeMetaData has been found for columnIdx="+attrIdx+", but fs.getSchema().getAttributeCount() = "+fs.getSchema().getAttributeCount()+". Ignored.");
182          setFeatureSource(null, null, null);                                          }
183        else                                  }
184          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);  
185      } catch (Exception err) {                                  // create a query for the visible attributes
186        throw new RuntimeException(err);                                  String[] properties = visibleAttrNames.toArray(new String[0]);
187      }  
188    }                                  LOGGER.debug("Query contains the following attributes: "
189                                                      + visibleAttrNames);
190    /**  
191     * Resets the filter for the table.                                  query = new DefaultQuery(fs.getSchema().getTypeName(), filter,
192     * @param filter a filter                                                  properties);
193     */                          }
194    public void setFilter(Filter filter) {                          fc = fs.getFeatures(query);
195      try{  
196        setFeatureSource(this.featureSource, this.origAMD, filter);                          // FAILS:!!!, even with query = new
197      } catch (Exception err) {                          // DefaultQuery(fs.getSchema().getTypeName(), filter);
198          LOGGER.error("Setting the filter of the table model", err);                          // java.lang.UnsupportedOperationException: Unknown feature
199        throw new RuntimeException(err);                          // attribute: PQM_MOD
200      }                          // at
201    }                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)
202                              // bounds = fc.getBounds();
203    /**                          // SK, 17.4.2009
204     * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the Features                          //      
205     */                          // System.out.println("Filter = "+filter);
206    public Filter getFilter() {                          // System.out.println("Size of FC = "+fc.size());
207            return this.filter;                          // System.out.println("anz att= "+fc.getNumberOfAttributes());
208    }                  }
209                    setFeatureCollection(fc);
210    /**          }
211     * After calling {@code super.reorganize(.)} this method replaced the  
212     * column descriptions with the titles of the {@code AttributeMetaData}.          /**
213     * @param fireTableStructureChanged indicates whether a table event is           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
214     *        initiated after reorganize           * and sets this as the new data source for the table.
215     */           *
216    @Override           * @param fs
217    protected void reorganize(boolean fireTableStructureChanged) {           *            the feature source
218      super.reorganize(false);           * @param amd
219      // translate the column names           *            {@link AttributeMetaData}-Map to define the visible attributes
220      if (visibleAMD != null) {           *            and translation
221        Iterator<Integer> keys = visibleAMD.keySet().iterator();           */
222        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {          public void setFeatureCollection(StyledFeaturesInterface layer,
223          Translation title = visibleAMD.get(keys.next()).getTitle();                          Filter filter) {
224          if (!I8NUtil.isEmpty(title)) {                  this.layer = layer;
225  //          System.out.println("set colname " + i + " to " + title.toString());                  try {
226            colNames[i] = title.toString();                          if (layer == null)
227          }                                  setFeatureSource(null, null, null);
228        }                          else {
229      }                                  FeatureCollection fc = layer.getFeatureCollection();
230      if ( fireTableStructureChanged )                                  String fcName = fc.getSchema().getTypeName();
231        fireTableStructureChanged();                                  FeatureSource fs = new MemoryDataStore(fc)
232    }                                                  .getFeatureSource(fcName);
233                                    setFeatureSource(fs, layer.getAttributeMetaDataMap(), filter);
234    /**                          }
235           * @returns Cached bounds for the whole dataset (without applying the                  } catch (Exception err) {
236           *          filter) or <code>null</code>                          throw new RuntimeException(err);
237           */                  }
238          public Envelope getBounds() {          }
239                  return bounds;  
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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