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