/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 58 by mojays, Fri Apr 17 15:55:33 2009 UTC branches/1.0-gt2-2.6/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 341 by alfonx, Mon Aug 31 10:16:40 2009 UTC
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1  /** SCHMITZM - This file is part of the java library of Martin O.J. Schmitz (SCHMITZM)  /*******************************************************************************
2     * Copyright (c) 2009 Martin O. J. Schmitz.
3      This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.   *
4      This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.   * This file is part of the SCHMITZM library - a collection of utility
5      You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA   * classes based on Java 1.6, focusing (not only) on Java Swing
6     * and the Geotools library.
7      Diese Bibliothek ist freie Software; Sie dürfen sie unter den Bedingungen der GNU Lesser General Public License, wie von der Free Software Foundation veröffentlicht, weiterverteilen und/oder modifizieren; entweder gemäß Version 2.1 der Lizenz oder (nach Ihrer Option) jeder späteren Version.   *
8      Diese Bibliothek wird in der Hoffnung weiterverbreitet, daß sie nützlich sein wird, jedoch OHNE IRGENDEINE GARANTIE, auch ohne die implizierte Garantie der MARKTREIFE oder der VERWENDBARKEIT FÜR EINEN BESTIMMTEN ZWECK. Mehr Details finden Sie in der GNU Lesser General Public License.   * The SCHMITZM project is hosted at:
9      Sie sollten eine Kopie der GNU Lesser General Public License zusammen mit dieser Bibliothek erhalten haben; falls nicht, schreiben Sie an die Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA.   * http://wald.intevation.org/projects/schmitzm/
10   **/   *
11  package skrueger.geotools;   * This program is free software; you can redistribute it and/or
12     * modify it under the terms of the GNU Lesser General Public License
13  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.filter.Filter;
46    protected FeatureSource featureSource = null;  
47    /** Holds the current filter on the table */  import schmitzm.geotools.gui.FeatureCollectionTableModel;
48    protected Filter filter = null;  import skrueger.AttributeMetaData;
49    import skrueger.i8n.I8NUtil;
50    /**  import skrueger.i8n.Translation;
51     * Creates a new table model for a styled map.  
52     * @param map the styled map  import com.vividsolutions.jts.geom.Envelope;
53     */  
54    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {  /**
55      this(map,Filter.INCLUDE);   * This class extends the the {@link FeatureCollectionTableModel} with the
56    }   * functionalities of the {@link AttributeMetaData} of
57     * {@linkplain StyledLayerInterface styled objects}.
58    /**   * <ul>
59     * Creates a new table model for a styled map.   * <li>column names are translated according to
60     * @param map the styled map   * {@link AttributeMetaData#getTitle()}</li>
61     * @param filter filter applied to the table   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
62     */   * </ul>
63    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {   *
64      super();   * @author <a href="mailto:[email protected]">Martin Schmitz</a>
65      setFeatureCollection(map, filter);   *         (University of Bonn/Germany)
66    }   */
67    public class StyledFeatureCollectionTableModel extends
68    /**                  FeatureCollectionTableModel {
69     * Creates a new table model for a styled map.          final static private Logger LOGGER = Logger
70     * @param map the styled map                          .getLogger(StyledFeatureCollectionTableModel.class);
71     */          /** Holds the data source as styled layer. */
72    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {          protected StyledLayerInterface<?> layer = null;
73      this(map,Filter.INCLUDE);          /** Contains only the visible elements of the {@link AttributeMetaData}-Map */
74    }          protected Map<Integer, AttributeMetaData> visibleAMD = null;
75            /** Holds the data source for the table as {@code FeatureSource}. */
76    /**          protected FeatureSource featureSource = null;
77     * Creates a new table model for a styled map.          /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */
78     * @param map the styled map          protected Map<Integer, AttributeMetaData> origAMD = null;
79     * @param filter filter applied to the table          /** Holds the current filter on the table */
80     */          protected Filter filter = null;
81    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {          /** Holds the Bounds for all features. Only set once during the constructor **/
82      super();          protected Envelope bounds;
83      setFeatureCollection(map, filter);  
84    }          
85    
86    /**          /**
87     * Sets a new data source for the table.           * Creates a new table model for a styled layer.
88     * @param fs     the feature source           *
89     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           * @param layer
90     *               and translation           *            the styled layer
91     */           */
92    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {          public StyledFeatureCollectionTableModel(
93      if ( filter == null )                          StyledFeatureCollectionInterface layer) {
94        filter = Filter.INCLUDE;                  this(layer, Filter.INCLUDE);
95            }
96      this.featureSource = fs;  
97      this.filter        = filter;          /**
98      this.visibleAMD    = null;           * Creates a new table model for a styled layer.
99                 *
100      FeatureCollection fc = null;           * @param layer
101      if (fs != null) {           *            the styled layer
102        Query query = new DefaultQuery();           * @param filter
103        if (amd != null) {           *            filter applied to the table
104          // determine the names of the visible Attributes           */
105          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);          public StyledFeatureCollectionTableModel(
106          Vector<String> visibleAttrNames = new Vector<String>();                          StyledFeatureCollectionInterface layer, Filter filter) {
107          // Add the column with the geometry (usually "the_geom")                  super();
108          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());                  setFeatureCollection(layer, filter);
109          for (int attrIdx : visibleAMD.keySet())          }
110            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());  
111    
112          // create a query for the visible attributes          /**
113          String[] properties = visibleAttrNames.toArray(new String[0]);           * Creates a new table model for a styled layer.
114          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);           *
115        }           * @param layer
116        fc = fs.getFeatures(query);           *            the styled layer
117      }           */
118      setFeatureCollection(fc);          public StyledFeatureCollectionTableModel(StyledFeaturesInterface layer) {
119    }                  this(layer, Filter.INCLUDE);
120            }
121    /**  
122     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}          /**
123     * and sets this as the new data source for the table.           * Creates a new table model for a styled layer.
124     * @param fs     the feature source           *
125     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           * @param layer
126     *               and translation           *            the styled layer
127     */           * @param filter
128    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {           *            filter applied to the table
129      this.map = map;           */
130      try {          public StyledFeatureCollectionTableModel(StyledFeaturesInterface layer,
131        if (map == null)                          Filter filter) {
132          setFeatureSource(null, null, null);                  super();
133        else {                  setFeatureCollection(layer, filter);
134          FeatureCollection fc = map.getGeoObject();          }
135          String fcName = fc.getFeatureType().getTypeName();  
136          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);          /**
137          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);           * Sets a new data source for the table.
138        }           *
139      } catch (Exception err) {           * @param fs
140        throw new RuntimeException(err);           *            the feature source
141      }           * @param amd
142    }           *            {@link AttributeMetaData}-Map to define the visible attributes
143             *            and translation
144    /**           */
145     * Sets the {@code StyledFeatureCollection} as new data source for the table.          protected void setFeatureSource(FeatureSource<SimpleFeatureType, SimpleFeature> fs,
146     * @param fs     the feature source                          Map<Integer, AttributeMetaData> amd, Filter filter)
147     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                          throws Exception {
148     *               and translation                  if (filter == null)
149     */                          filter = Filter.INCLUDE;
150    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {  
151      this.map = map;                  this.featureSource = fs;
152      try {                  this.filter = filter;
153        if (map == null)                  this.origAMD = amd;
154          setFeatureSource(null, null, null);                  this.visibleAMD = null;
155        else  
156          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                  FeatureCollection fc = null;
157      } catch (Exception err) {                  if (fs != null) {
158        throw new RuntimeException(err);  
159      }                          bounds = fs.getBounds();
160    }  
161                              Query query = new DefaultQuery(fs.getSchema().getName().getLocalPart(), filter);
162    /**                          if (amd != null) {
163     * Resets the filter for the table.                                  // determine the names of the visible Attributes
164     * @param filter a filter                                  this.visibleAMD = StyledLayerUtil.getVisibleAttributeMetaData(
165     */                                                  amd, true);
166    public void setFilter(Filter filter) {                                  Vector<String> visibleAttrNames = new Vector<String>();
167      try{                                  // Add the column with the geometry (usually "the_geom")
168        setFeatureSource(this.featureSource, this.visibleAMD, filter);                                  visibleAttrNames.add(fs.getSchema().getGeometryDescriptor()
169      } catch (Exception err) {                                                  .getLocalName());
170        throw new RuntimeException(err);                                  for (int attrIdx : visibleAMD.keySet()) {
171      }  
172    }                                          /**
173                                             * If the user removed columns from the schema of the DBF
174    /**                                           * file, there might exist AttributeMetaData for columns
175     * After calling {@code super.reorganize(.)} this method replaced the                                           * that don't exists. We check here to avoid an
176     * column descriptions with the titles of the {@code AttributeMetaData}.                                           * ArrayOutOfIndex.
177     * @param fireTableStructureChanged indicates whether a table event is                                           */
178     *        initiated after reorganize                                          if (attrIdx < fs.getSchema().getAttributeCount()) {
179     */                                                  final AttributeDescriptor attributeTypeAtIdx = fs.getSchema()
180    @Override                                                                  .getAttributeDescriptors().get(attrIdx);
181    protected void reorganize(boolean fireTableStructureChanged) {                                                  visibleAttrNames.add(attributeTypeAtIdx.getLocalName());
182      super.reorganize(false);                                          } else {
183      // translate the column names                                                  LOGGER.warn("AttributeMetaData has been found for columnIdx="+attrIdx+", but fs.getSchema().getAttributeCount() = "+fs.getSchema().getAttributeCount()+". Ignored.");
184      if (visibleAMD != null) {                                          }
185        Iterator<Integer> keys = visibleAMD.keySet().iterator();                                  }
186        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {  
187          Translation title = visibleAMD.get(keys.next()).getTitle();                                  // create a query for the visible attributes
188          if (!I8NUtil.isEmpty(title)) {                                  String[] properties = visibleAttrNames.toArray(new String[0]);
189            System.out.println("set colname " + i + " to " + title.toString());  
190            colNames[i] = title.toString();                                  LOGGER.debug("Query contains the following attributes: "
191          }                                                  + visibleAttrNames);
192        }  
193      }                                  query = new DefaultQuery(fs.getSchema().getTypeName(), filter,
194      if ( fireTableStructureChanged )                                                  properties);
195        fireTableStructureChanged();                          }
196    }                          fc = fs.getFeatures(query);
197  }  
198                            // FAILS:!!!, even with query = new
199                            // DefaultQuery(fs.getSchema().getTypeName(), filter);
200                            // java.lang.UnsupportedOperationException: Unknown feature
201                            // attribute: PQM_MOD
202                            // at
203                            // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)
204                            // bounds = fc.getBounds();
205                            // SK, 17.4.2009
206                            //      
207                            // System.out.println("Filter = "+filter);
208                            // System.out.println("Size of FC = "+fc.size());
209                            // System.out.println("anz att= "+fc.getNumberOfAttributes());
210                    }
211                    setFeatureCollection(fc);
212            }
213    
214            /**
215             * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
216             * and sets this as the new data source for the table.
217             *
218             * @param fs
219             *            the feature source
220             * @param amd
221             *            {@link AttributeMetaData}-Map to define the visible attributes
222             *            and translation
223             */
224            public void setFeatureCollection(StyledFeaturesInterface layer,
225                            Filter filter) {
226                    this.layer = layer;
227                    try {
228                            if (layer == null)
229                                    setFeatureSource(null, null, null);
230                            else {
231                                    FeatureCollection fc = layer.getFeatureCollection();
232                                    String fcName = fc.getSchema().getName().getLocalPart();
233                                    FeatureSource fs = new MemoryDataStore(fc)
234                                                    .getFeatureSource(fcName);
235                                    setFeatureSource(fs, layer.getAttributeMetaDataMap(), filter);
236                            }
237                    } catch (Exception err) {
238                            throw new RuntimeException(err);
239                    }
240            }
241    
242            /**
243             * Sets the {@code StyledFeatureCollection} as new data source for the
244             * table.
245             *
246             * @param fs
247             *            the feature source
248             * @param amd
249             *            {@link AttributeMetaData}-Map to define the visible attributes
250             *            and translation
251             */
252            public void setFeatureCollection(StyledFeatureSourceInterface layer,
253                            Filter filter) {
254                    this.layer = layer;
255                    try {
256                            if (layer == null)
257                                    setFeatureSource(null, null, null);
258                            else
259                                    setFeatureSource(layer.getGeoObject(), layer
260                                                    .getAttributeMetaDataMap(), filter);
261                    } catch (Exception err) {
262                            throw new RuntimeException(err);
263                    }
264            }
265    
266            /**
267             * Resets the filter for the table.
268             *
269             * @param filter
270             *            a filter
271             */
272            public void setFilter(Filter filter) {
273                    try {
274                            setFeatureSource(this.featureSource, this.origAMD, filter);
275                    } catch (Exception err) {
276                            LOGGER.error("Setting the filter of the table model", err);
277                            throw new RuntimeException(err);
278                    }
279            }
280    
281            /**
282             * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the
283             *         Features
284             */
285            public Filter getFilter() {
286                    return this.filter;
287            }
288    
289            /**
290             * After calling {@code super.reorganize(.)} this method replaced the column
291             * descriptions with the titles of the {@code AttributeMetaData}.
292             *
293             * @param fireTableStructureChanged
294             *            indicates whether a table event is initiated after reorganize
295             */
296            @Override
297            protected void reorganize(boolean fireTableStructureChanged) {
298                    super.reorganize(false);
299                    // translate the column names
300                    if (visibleAMD != null) {
301                            Iterator<Integer> keys = visibleAMD.keySet().iterator();
302                            for (int i = 0; i < colNames.length && keys.hasNext(); i++) {
303                                    Translation title = visibleAMD.get(keys.next()).getTitle();
304                                    if (!I8NUtil.isEmpty(title)) {
305                                            // System.out.println("set colname " + i + " to " +
306                                            // title.toString());
307                                            colNames[i] = title.toString();
308                                    }
309                            }
310                    }
311                    if (fireTableStructureChanged)
312                            fireTableStructureChanged();
313            }
314    
315            /**
316             * @return Cached bounds for the whole dataset (without applying the filter)
317             *         or <code>null</code>
318             */
319            public Envelope getBounds() {
320                    return bounds;
321            }
322    }

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