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