/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 111 by alfonx, Tue May 12 23:33:14 2009 UTC branches/2.0-RC2/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 621 by alfonx, Thu Jan 28 10:06:05 2010 UTC
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1  /** SCHMITZM - This file is part of the java library of Martin O.J. Schmitz (SCHMITZM)  /*******************************************************************************
2     * Copyright (c) 2009 Martin O. J. Schmitz.
3      This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.   *
4      This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.   * This file is part of the SCHMITZM library - a collection of utility
5      You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA   * classes based on Java 1.6, focusing (not only) on Java Swing
6     * and the Geotools library.
7      Diese Bibliothek ist freie Software; Sie dürfen sie unter den Bedingungen der GNU Lesser General Public License, wie von der Free Software Foundation veröffentlicht, weiterverteilen und/oder modifizieren; entweder gemäß Version 2.1 der Lizenz oder (nach Ihrer Option) jeder späteren Version.   *
8      Diese Bibliothek wird in der Hoffnung weiterverbreitet, daß sie nützlich sein wird, jedoch OHNE IRGENDEINE GARANTIE, auch ohne die implizierte Garantie der MARKTREIFE oder der VERWENDBARKEIT FÜR EINEN BESTIMMTEN ZWECK. Mehr Details finden Sie in der GNU Lesser General Public License.   * The SCHMITZM project is hosted at:
9      Sie sollten eine Kopie der GNU Lesser General Public License zusammen mit dieser Bibliothek erhalten haben; falls nicht, schreiben Sie an die Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA.   * http://wald.intevation.org/projects/schmitzm/
10   **/   *
11  package skrueger.geotools;   * This program is free software; you can redistribute it and/or
12     * modify it under the terms of the GNU Lesser General Public License
13     * as published by the Free Software Foundation; either version 3
14  import java.util.Iterator;   * of the License, or (at your option) any later version.
15  import java.util.Map;   *
16  import java.util.TreeMap;   * This program is distributed in the hope that it will be useful,
17  import java.util.Vector;   * but WITHOUT ANY WARRANTY; without even the implied warranty of
18     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  import org.apache.log4j.Logger;   * GNU General Public License for more details.
20  import org.geotools.data.DefaultQuery;   *
21  import org.geotools.data.FeatureSource;   * You should have received a copy of the GNU Lesser General Public License (license.txt)
22  import org.geotools.data.Query;   * along with this program; if not, write to the Free Software
23  import org.geotools.data.memory.MemoryDataStore;   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
24  import org.geotools.feature.FeatureCollection;   * or try this link: http://www.gnu.org/licenses/lgpl.html
25  import org.opengis.filter.Filter;   *
26     * Contributors:
27  import com.vividsolutions.jts.geom.Envelope;   *     Martin O. J. Schmitz - initial API and implementation
28     *     Stefan A. Krüger - additional utility classes
29  import schmitzm.geotools.gui.FeatureCollectionTableModel;   ******************************************************************************/
30  import skrueger.AttributeMetaData;  package skrueger.geotools;
31  import skrueger.i8n.I8NUtil;  
32  import skrueger.i8n.Translation;  import java.util.HashMap;
33    import java.util.Vector;
34  /**  
35   * This class extends the the {@link FeatureCollectionTableModel} with the  import org.apache.log4j.Logger;
36   * functionalities of the {@link AttributeMetaData} of  import org.geotools.data.DefaultQuery;
37   * {@linkplain StyledMapInterface styled objects}.  import org.geotools.data.FeatureSource;
38   * <ul>  import org.geotools.data.Query;
39   *   <li>column names are translated according to {@link AttributeMetaData#getTitle()}</li>  import org.geotools.feature.FeatureCollection;
40   *   <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  import org.opengis.feature.simple.SimpleFeature;
41   * </ul>  import org.opengis.feature.simple.SimpleFeatureType;
42   * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)  import org.opengis.feature.type.AttributeDescriptor;
43   */  import org.opengis.filter.Filter;
44  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {  
45    final static private Logger LOGGER = Logger.getLogger(StyledFeatureCollectionTableModel.class);  import schmitzm.geotools.feature.FeatureUtil;
46    /** Holds the data source as styled map. */  import schmitzm.geotools.gui.FeatureCollectionTableModel;
47    protected StyledMapInterface<?> map = null;  import skrueger.AttributeMetadata;
48    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  
49    protected Map<Integer, AttributeMetaData> visibleAMD = null;  import com.vividsolutions.jts.geom.Envelope;
50    /** Holds the data source for the table as {@code FeatureSource}. */  
51    protected FeatureSource featureSource = null;  /**
52    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */   * This class extends the the {@link FeatureCollectionTableModel} with the
53    protected Map<Integer, AttributeMetaData> origAMD = null;   * functionalities of the {@link AttributeMetadata}.
54    /** Holds the current filter on the table */   * <ul>
55    protected Filter filter = null;   * <li>column names are translated according to
56    /** Holds the Bounds for all features. Only set once during the constructor **/   * {@link AttributeMetadata#getTitle()}</li>
57    protected Envelope bounds;   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
58     * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
59    /**   * applied.</li>
60     * Creates a new table model for a styled map.   * </ul>
61     * @param map the styled map   *
62     */   * @author Stefan A. Krüger
63    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   */
64      this(map,Filter.INCLUDE);  public class StyledFeatureCollectionTableModel extends
65    }                  FeatureCollectionTableModel {
66            final static private Logger LOGGER = Logger
67    /**                          .getLogger(StyledFeatureCollectionTableModel.class);
68     * Creates a new table model for a styled map.          /** Contains the complete {@link AttributeMetadata}-Map of the styled layer. */
69     * @param map the styled map          protected AttributeMetadataMap amdMap = null;
70     * @param filter filter applied to the table          /** Holds the current filter on the table */
71     */          protected Filter filter = null;
72    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {          /** Holds the Bounds for all features. Only set once during the constructor **/
73      super();          protected Envelope bounds;
74      setFeatureCollection(map, filter);          /**
75    }           * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
76             * {@link #reorganize} befuellt.
77    /**           */
78     * Creates a new table model for a styled map.          protected String[] colTooltips = null;
79     * @param map the styled map  
80     */          /**
81    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {           * Creates a new table model for a styled layer.
82      this(map,Filter.INCLUDE);           *
83    }           * @param styledFeatures
84             *            the styled layer
85    /**           * @param filter
86     * Creates a new table model for a styled map.           *            filter applied to the table
87     * @param map the styled map           */
88     * @param filter filter applied to the table          public StyledFeatureCollectionTableModel(
89     */                          StyledFeaturesInterface<?> styledFeatures) {
90    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {                  setStyledFeatures(styledFeatures);
91      super();          }
92      setFeatureCollection(map, filter);  
93    }          /**
94             * Sets a new data source for the table.
95    /**           *
96     * Sets a new data source for the table.           * @param fs
97     * @param fs     the feature source           *            the feature source
98     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           * @param amdm
99     *               and translation           *            {@link AttributeMetadata}-Map to define the visible attributes
100     */           *            and translation
101    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {           */
102      if ( filter == null )          protected void setFeatureSource(
103        filter = Filter.INCLUDE;                          FeatureSource<SimpleFeatureType, SimpleFeature> fs,
104                                AttributeMetadataMap amdm, Filter filter) throws Exception {
105      this.featureSource = fs;  
106      this.filter        = filter;                  if (filter == null)
107      this.origAMD       = amd;                          filter = Filter.INCLUDE;
108      this.visibleAMD    = null;  
109                        // this.featureSource = fs;
110      FeatureCollection fc = null;                  this.filter = filter;
111      if (fs != null) {                  this.amdMap = amdm;
112            
113         bounds = fs.getBounds();                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
114                            if (fs != null) {
115        Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter);  
116        if (amd != null) {                          bounds = fs.getBounds();
117          // determine the names of the visible Attributes  
118          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);                          final SimpleFeatureType schema = fs.getSchema();
119          Vector<String> visibleAttrNames = new Vector<String>();                          Query query = new DefaultQuery(schema.getTypeName(), filter);
120          // Add the column with the geometry (usually "the_geom")                          if (amdm != null) {
121          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());                                  Vector<String> visibleAttrNames = new Vector<String>();
122          for (int attrIdx : visibleAMD.keySet())  
123            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());                                  // Add the column with the geometry (usually "the_geom") always
124                                    visibleAttrNames.add(schema.getGeometryDescriptor()
125          // create a query for the visible attributes                                                  .getLocalName());
126          String[] properties = visibleAttrNames.toArray(new String[0]);  
127                                            // Add other visible attributes as ordered by weights
128          LOGGER.debug("Query contains the following attributes: " + visibleAttrNames);                                  for (AttributeMetadata a : amdm.sortedValuesVisibleOnly()) {
129                                                    visibleAttrNames.add(a.getLocalName());
130          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);                                  }
131        }  
132        fc = fs.getFeatures(query);  //                      Tested with 2.6.x trunk from 2009-11-26 and it now works. So we only request the properties we need!                    
133    //                              /**
134  // FAILS:!!!, even with  query = new DefaultQuery(fs.getSchema().getTypeName(), filter);  //                               * I got NPEs when properties contained only [the_geom] ?!??!!??
135                          // java.lang.UnsupportedOperationException: Unknown feature  //                               */
136                          // attribute: PQM_MOD  //                              if (properties.length > 1) {
137                          // at                                          query = new DefaultQuery(schema.getTypeName(), filter,
138                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)                                                          visibleAttrNames.toArray(new String[] {}));
139                          // bounds = fc.getBounds();  //                              } else {
140                          // SK, 17.4.2009  //                                      query = new DefaultQuery(schema.getTypeName(), filter);
141                          //        //                              }
142                          // System.out.println("Filter = "+filter);                          }
143                          // System.out.println("Size of FC = "+fc.size());                          fc = fs.getFeatures(query);
144                          // System.out.println("anz att= "+fc.getNumberOfAttributes());                  }
145      }                  setFeatureCollection(fc);
146      setFeatureCollection(fc);          }
147    }  
148            /**
149    /**           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
150     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}           * and sets this as the new data source for the table.
151     * and sets this as the new data source for the table.           *
152     * @param fs     the feature source           * @param fs
153     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           *            the feature source
154     *               and translation           * @param amd
155     */           *            {@link AttributeMetadata}-Map to define the visible attributes
156    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {           *            and translation
157      this.map = map;           */
158      try {          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
159        if (map == null)                  try {
160          setFeatureSource(null, null, null);                          if (styledFeatures == null)
161        else {                                  setFeatureSource(null, null, null);
162          FeatureCollection fc = map.getGeoObject();                          else {
163          String fcName = fc.getFeatureType().getTypeName();                                  setFeatureSource(styledFeatures.getFeatureSource(),
164          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                                                  styledFeatures.getAttributeMetaDataMap(),
165          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                                                  styledFeatures.getFilter());
166        }                          }
167      } catch (Exception err) {                  } catch (Exception err) {
168        throw new RuntimeException(err);                          throw new RuntimeException(err);
169      }                  }
170    }          }
171    
172    /**          /**
173     * Sets the {@code StyledFeatureCollection} as new data source for the table.           * After calling {@code super.reorganize(.)} this method replaced the column
174     * @param fs     the feature source           * descriptions with the titles of the {@code AttributeMetaData}.
175     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           *
176     *               and translation           * @param fireTableStructureChanged
177     */           *            indicates whether a table event is initiated after reorganize
178    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {           */
179      this.map = map;          @Override
180      try {          protected void reorganize(boolean fireTableStructureChanged) {
181        if (map == null)  
182          setFeatureSource(null, null, null);                  featureArray = FeatureUtil.featuresToArray(featureTable);
183        else                  if (featureArray == null || featureArray.length == 0) {
184          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                          colNames = new String[0];
185      } catch (Exception err) {                          colTooltips = new String[0]; // Only set and used in
186        throw new RuntimeException(err);                                                                                          // StyledFeatureCollectionTableModel
187      }                          colClass = new Class[0];
188    }                  } else {
189                              // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
190    /**                          SimpleFeatureType schema = featureArray[0].getFeatureType();
191     * Resets the filter for the table.                          // Pruefen, welche Attribute angezeigt werden
192     * @param filter a filter                          attrTypes.clear();
193     */                          for (AttributeMetadata amd : amdMap.sortedValuesVisibleOnly()) {
194    public void setFilter(Filter filter) {                                  AttributeDescriptor type = schema.getDescriptor(amd.getName());
195      try{                                  if (attrFilter == null || attrFilter.accept(type))
196        setFeatureSource(this.featureSource, this.origAMD, filter);                                          attrTypes.add(type);
197      } catch (Exception err) {                          }
198          LOGGER.error("Setting the filter of the table model", err);                          // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
199        throw new RuntimeException(err);                          colNames = new String[attrTypes.size()];
200      }                          colTooltips = new String[attrTypes.size()]; // Only set and used in
201    }                                                                                                                  // StyledFeatureCollectionTableModel
202                              colClass = new Class[attrTypes.size()];
203    /**                          attrIdxForCol = new int[attrTypes.size()];
204     * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the Features                          for (int i = 0; i < colNames.length; i++) {
205     */                                  AttributeDescriptor descriptor = schema.getDescriptor(amdMap.sortedValuesVisibleOnly().get(i).getName());
206    public Filter getFilter() {  
207            return this.filter;                                  // Not so nice in 26: find the index of an attribute...
208    }                                  int idx = schema.getAttributeDescriptors().indexOf(descriptor);
209                                    attrIdxForCol[i] = idx;
210    /**  
211     * After calling {@code super.reorganize(.)} this method replaced the                                  String attName = schema.getAttributeDescriptors().get(idx)
212     * column descriptions with the titles of the {@code AttributeMetaData}.                                                  .getLocalName();
213     * @param fireTableStructureChanged indicates whether a table event is                                  colNames[i] = amdMap.get(attName).getTitle().toString();
214     *        initiated after reorganize                                  AttributeMetadata amd = amdMap.get(attName);
215     */                                  colTooltips[i] = "<html>"+amd.getDesc().toString()+"<br>"+amd.getName()+"</html>";
216    @Override                                  colClass[i] = schema.getAttributeDescriptors().get(idx).getType()
217    protected void reorganize(boolean fireTableStructureChanged) {                                                  .getBinding();
218      super.reorganize(false);                          }
219      // translate the column names                  }
220      if (visibleAMD != null) {  
221        Iterator<Integer> keys = visibleAMD.keySet().iterator();                  // store feature indexes in HashMap to optimize findFeature(.)
222        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                  featureIdx = new HashMap<String, Integer>();
223          Translation title = visibleAMD.get(keys.next()).getTitle();                  for (int i = 0; i < featureArray.length; i++)
224          if (!I8NUtil.isEmpty(title)) {                          if (featureArray[i] != null)
225  //          System.out.println("set colname " + i + " to " + title.toString());                                  featureIdx.put(featureArray[i].getID(), i);
226            colNames[i] = title.toString();  //
227          }  //              // translate the column names
228        }  //              if (amdMap != null) {
229      }  //                      for (int i = 0; i < colNames.length; i++) {
230      if ( fireTableStructureChanged )  //                              colTooltips[i] = amdMap.get(colNames[i]).getDesc().toString()
231        fireTableStructureChanged();  //                                              + "<br>" + colNames[i];
232    }  //                              colNames[i] = amdMap.get(colNames[i]).getTitle().toString();
233    //
234    /**  //                      }
235           * @returns Cached bounds for the whole dataset (without applying the  //              }
236           *          filter) or <code>null</code>                  if (fireTableStructureChanged)
237           */                          fireTableStructureChanged();
238          public Envelope getBounds() {  
239                  return bounds;          }
240          }  
241  }          /**
242             * @return Cached bounds for the whole dataset (without applying the filter)
243             *         or <code>null</code>
244             */
245            public Envelope getBounds() {
246                    return bounds;
247            }
248    }

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