/[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 332 by alfonx, Wed Aug 26 17:15:49 2009 UTC
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1  /** SCHMITZM - This file is part of the java library of Martin O.J. Schmitz (SCHMITZM)  /*******************************************************************************
2     * Copyright (c) 2009 Martin O. J. Schmitz.
3      This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.   *
4      This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.   * This file is part of the SCHMITZM library - a collection of utility
5      You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA   * classes based on Java 1.6, focusing (not only) on Java Swing
6     * and the Geotools library.
7      Diese Bibliothek ist freie Software; Sie dürfen sie unter den Bedingungen der GNU Lesser General Public License, wie von der Free Software Foundation veröffentlicht, weiterverteilen und/oder modifizieren; entweder gemäß Version 2.1 der Lizenz oder (nach Ihrer Option) jeder späteren Version.   *
8      Diese Bibliothek wird in der Hoffnung weiterverbreitet, daß sie nützlich sein wird, jedoch OHNE IRGENDEINE GARANTIE, auch ohne die implizierte Garantie der MARKTREIFE oder der VERWENDBARKEIT FÜR EINEN BESTIMMTEN ZWECK. Mehr Details finden Sie in der GNU Lesser General Public License.   * The SCHMITZM project is hosted at:
9      Sie sollten eine Kopie der GNU Lesser General Public License zusammen mit dieser Bibliothek erhalten haben; falls nicht, schreiben Sie an die Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA.   * http://wald.intevation.org/projects/schmitzm/
10   **/   *
11  package skrueger.geotools;   * This program is free software; you can redistribute it and/or
12     * modify it under the terms of the GNU Lesser General Public License
13  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.type.AttributeDescriptor;
43    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  import org.opengis.filter.Filter;
44    protected Map<Integer, AttributeMetaData> visibleAMD = null;  
45    /** Holds the data source for the table as {@code FeatureSource}. */  import schmitzm.geotools.gui.FeatureCollectionTableModel;
46    protected FeatureSource featureSource = null;  import skrueger.AttributeMetaData;
47    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */  import skrueger.i8n.I8NUtil;
48    protected Map<Integer, AttributeMetaData> origAMD = null;  import skrueger.i8n.Translation;
49    /** Holds the current filter on the table */  
50    protected Filter filter = null;  import com.vividsolutions.jts.geom.Envelope;
51    
52    /**  /**
53     * Creates a new table model for a styled map.   * This class extends the the {@link FeatureCollectionTableModel} with the
54     * @param map the styled map   * functionalities of the {@link AttributeMetaData} of
55     */   * {@linkplain StyledLayerInterface styled objects}.
56    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * <ul>
57      this(map,Filter.INCLUDE);   * <li>column names are translated according to
58    }   * {@link AttributeMetaData#getTitle()}</li>
59     * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
60    /**   * </ul>
61     * Creates a new table model for a styled map.   *
62     * @param map the styled map   * @author <a href="mailto:[email protected]">Martin Schmitz</a>
63     * @param filter filter applied to the table   *         (University of Bonn/Germany)
64     */   */
65    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {  public class StyledFeatureCollectionTableModel extends
66      super();                  FeatureCollectionTableModel {
67      setFeatureCollection(map, filter);          final static private Logger LOGGER = Logger
68    }                          .getLogger(StyledFeatureCollectionTableModel.class);
69            /** Holds the data source as styled layer. */
70    /**          protected StyledLayerInterface<?> layer = null;
71     * Creates a new table model for a styled map.          /** Contains only the visible elements of the {@link AttributeMetaData}-Map */
72     * @param map the styled map          protected Map<Integer, AttributeMetaData> visibleAMD = null;
73     */          /** Holds the data source for the table as {@code FeatureSource}. */
74    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {          protected FeatureSource featureSource = null;
75      this(map,Filter.INCLUDE);          /** 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    /**          protected Filter filter = null;
79     * Creates a new table model for a styled map.          /** Holds the Bounds for all features. Only set once during the constructor **/
80     * @param map the styled map          protected Envelope bounds;
81     * @param filter filter applied to the table  
82     */          
83    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {  
84      super();          /**
85      setFeatureCollection(map, filter);           * Creates a new table model for a styled layer.
86    }           *
87             * @param layer
88    /**           *            the styled layer
89     * Sets a new data source for the table.           */
90     * @param fs     the feature source          public StyledFeatureCollectionTableModel(
91     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                          StyledFeatureCollectionInterface layer) {
92     *               and translation                  this(layer, Filter.INCLUDE);
93     */          }
94    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {  
95      if ( filter == null )          /**
96        filter = Filter.INCLUDE;           * Creates a new table model for a styled layer.
97             *
98      this.featureSource = fs;           * @param layer
99      this.filter        = filter;           *            the styled layer
100      this.origAMD       = amd;           * @param filter
101      this.visibleAMD    = null;           *            filter applied to the table
102                 */
103      FeatureCollection fc = null;          public StyledFeatureCollectionTableModel(
104      if (fs != null) {                          StyledFeatureCollectionInterface layer, Filter filter) {
105        Query query = new DefaultQuery();                  super();
106        if (amd != null) {                  setFeatureCollection(layer, filter);
107          // determine the names of the visible Attributes          }
108          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);  
109          Vector<String> visibleAttrNames = new Vector<String>();  
110          // Add the column with the geometry (usually "the_geom")          /**
111          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());           * Creates a new table model for a styled layer.
112          for (int attrIdx : visibleAMD.keySet())           *
113            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());           * @param layer
114             *            the styled layer
115          // create a query for the visible attributes           */
116          String[] properties = visibleAttrNames.toArray(new String[0]);          public StyledFeatureCollectionTableModel(StyledFeaturesInterface layer) {
117          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);                  this(layer, Filter.INCLUDE);
118        }          }
119        fc = fs.getFeatures(query);  
120      }          /**
121      setFeatureCollection(fc);           * Creates a new table model for a styled layer.
122    }           *
123             * @param layer
124    /**           *            the styled layer
125     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}           * @param filter
126     * and sets this as the new data source for the table.           *            filter applied to the table
127     * @param fs     the feature source           */
128     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes          public StyledFeatureCollectionTableModel(StyledFeaturesInterface layer,
129     *               and translation                          Filter filter) {
130     */                  super();
131    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                  setFeatureCollection(layer, filter);
132      this.map = map;          }
133      try {  
134        if (map == null)          /**
135          setFeatureSource(null, null, null);           * Sets a new data source for the table.
136        else {           *
137          FeatureCollection fc = map.getGeoObject();           * @param fs
138          String fcName = fc.getFeatureType().getTypeName();           *            the feature source
139          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);           * @param amd
140          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);           *            {@link AttributeMetaData}-Map to define the visible attributes
141        }           *            and translation
142      } catch (Exception err) {           */
143        throw new RuntimeException(err);          protected void setFeatureSource(FeatureSource fs,
144      }                          Map<Integer, AttributeMetaData> amd, Filter filter)
145    }                          throws Exception {
146                    if (filter == null)
147    /**                          filter = Filter.INCLUDE;
148     * Sets the {@code StyledFeatureCollection} as new data source for the table.  
149     * @param fs     the feature source                  this.featureSource = fs;
150     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                  this.filter = filter;
151     *               and translation                  this.origAMD = amd;
152     */                  this.visibleAMD = null;
153    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {  
154      this.map = map;                  FeatureCollection fc = null;
155      try {                  if (fs != null) {
156        if (map == null)  
157          setFeatureSource(null, null, null);                          bounds = fs.getBounds();
158        else  
159          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                          Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter);
160      } catch (Exception err) {                          if (amd != null) {
161        throw new RuntimeException(err);                                  // determine the names of the visible Attributes
162      }                                  this.visibleAMD = StyledLayerUtil.getVisibleAttributeMetaData(
163    }                                                  amd, true);
164                                      Vector<String> visibleAttrNames = new Vector<String>();
165    /**                                  // Add the column with the geometry (usually "the_geom")
166     * Resets the filter for the table.                                  visibleAttrNames.add(fs.getSchema().getDefaultGeometry()
167     * @param filter a filter                                                  .getLocalName());
168     */                                  for (int attrIdx : visibleAMD.keySet()) {
169    public void setFilter(Filter filter) {  
170      try{                                          /**
171        setFeatureSource(this.featureSource, this.origAMD, filter);                                           * If the user removed columns from the schema of the DBF
172      } catch (Exception err) {                                           * file, there might exist AttributeMetaData for columns
173        throw new RuntimeException(err);                                           * that don't exists. We check here to avoid an
174      }                                           * ArrayOutOfIndex.
175    }                                           */
176                                            if (attrIdx < fs.getSchema().getAttributeCount()) {
177    /**                                                  final AttributeDescriptor attributeTypeAtIdx = fs.getSchema()
178     * After calling {@code super.reorganize(.)} this method replaced the                                                                  .getAttributeType(attrIdx);
179     * column descriptions with the titles of the {@code AttributeMetaData}.                                                  visibleAttrNames.add(attributeTypeAtIdx.getLocalName());
180     * @param fireTableStructureChanged indicates whether a table event is                                          } else {
181     *        initiated after reorganize                                                  LOGGER.warn("AttributeMetaData has been found for columnIdx="+attrIdx+", but fs.getSchema().getAttributeCount() = "+fs.getSchema().getAttributeCount()+". Ignored.");
182     */                                          }
183    @Override                                  }
184    protected void reorganize(boolean fireTableStructureChanged) {  
185      super.reorganize(false);                                  // create a query for the visible attributes
186      // translate the column names                                  String[] properties = visibleAttrNames.toArray(new String[0]);
187      if (visibleAMD != null) {  
188        Iterator<Integer> keys = visibleAMD.keySet().iterator();                                  LOGGER.debug("Query contains the following attributes: "
189        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                                                  + visibleAttrNames);
190          Translation title = visibleAMD.get(keys.next()).getTitle();  
191          if (!I8NUtil.isEmpty(title)) {                                  query = new DefaultQuery(fs.getSchema().getTypeName(), filter,
192            System.out.println("set colname " + i + " to " + title.toString());                                                  properties);
193            colNames[i] = title.toString();                          }
194          }                          fc = fs.getFeatures(query);
195        }  
196      }                          // FAILS:!!!, even with query = new
197      if ( fireTableStructureChanged )                          // DefaultQuery(fs.getSchema().getTypeName(), filter);
198        fireTableStructureChanged();                          // java.lang.UnsupportedOperationException: Unknown feature
199    }                          // attribute: PQM_MOD
200  }                          // at
201                            // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)
202                            // bounds = fc.getBounds();
203                            // SK, 17.4.2009
204                            //      
205                            // System.out.println("Filter = "+filter);
206                            // System.out.println("Size of FC = "+fc.size());
207                            // System.out.println("anz att= "+fc.getNumberOfAttributes());
208                    }
209                    setFeatureCollection(fc);
210            }
211    
212            /**
213             * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
214             * and sets this as the new data source for the table.
215             *
216             * @param fs
217             *            the feature source
218             * @param amd
219             *            {@link AttributeMetaData}-Map to define the visible attributes
220             *            and translation
221             */
222            public void setFeatureCollection(StyledFeaturesInterface layer,
223                            Filter filter) {
224                    this.layer = layer;
225                    try {
226                            if (layer == null)
227                                    setFeatureSource(null, null, null);
228                            else {
229                                    FeatureCollection fc = layer.getFeatureCollection();
230                                    String fcName = fc.getSchema().getTypeName();
231                                    FeatureSource fs = new MemoryDataStore(fc)
232                                                    .getFeatureSource(fcName);
233                                    setFeatureSource(fs, layer.getAttributeMetaDataMap(), filter);
234                            }
235                    } catch (Exception err) {
236                            throw new RuntimeException(err);
237                    }
238            }
239    
240            /**
241             * Sets the {@code StyledFeatureCollection} as new data source for the
242             * table.
243             *
244             * @param fs
245             *            the feature source
246             * @param amd
247             *            {@link AttributeMetaData}-Map to define the visible attributes
248             *            and translation
249             */
250            public void setFeatureCollection(StyledFeatureSourceInterface layer,
251                            Filter filter) {
252                    this.layer = layer;
253                    try {
254                            if (layer == null)
255                                    setFeatureSource(null, null, null);
256                            else
257                                    setFeatureSource(layer.getGeoObject(), layer
258                                                    .getAttributeMetaDataMap(), filter);
259                    } catch (Exception err) {
260                            throw new RuntimeException(err);
261                    }
262            }
263    
264            /**
265             * Resets the filter for the table.
266             *
267             * @param filter
268             *            a filter
269             */
270            public void setFilter(Filter filter) {
271                    try {
272                            setFeatureSource(this.featureSource, this.origAMD, filter);
273                    } catch (Exception err) {
274                            LOGGER.error("Setting the filter of the table model", err);
275                            throw new RuntimeException(err);
276                    }
277            }
278    
279            /**
280             * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the
281             *         Features
282             */
283            public Filter getFilter() {
284                    return this.filter;
285            }
286    
287            /**
288             * After calling {@code super.reorganize(.)} this method replaced the column
289             * descriptions with the titles of the {@code AttributeMetaData}.
290             *
291             * @param fireTableStructureChanged
292             *            indicates whether a table event is initiated after reorganize
293             */
294            @Override
295            protected void reorganize(boolean fireTableStructureChanged) {
296                    super.reorganize(false);
297                    // translate the column names
298                    if (visibleAMD != null) {
299                            Iterator<Integer> keys = visibleAMD.keySet().iterator();
300                            for (int i = 0; i < colNames.length && keys.hasNext(); i++) {
301                                    Translation title = visibleAMD.get(keys.next()).getTitle();
302                                    if (!I8NUtil.isEmpty(title)) {
303                                            // System.out.println("set colname " + i + " to " +
304                                            // title.toString());
305                                            colNames[i] = title.toString();
306                                    }
307                            }
308                    }
309                    if (fireTableStructureChanged)
310                            fireTableStructureChanged();
311            }
312    
313            /**
314             * @return Cached bounds for the whole dataset (without applying the filter)
315             *         or <code>null</code>
316             */
317            public Envelope getBounds() {
318                    return bounds;
319            }
320    }

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