/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 145 by alfonx, Thu Jun 18 00:28:28 2009 UTC branches/2.0-RC1/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 607 by alfonx, Wed Dec 9 15:13:42 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     * 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.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.apache.log4j.Logger;   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  import org.geotools.data.DefaultQuery;   * GNU General Public License for more details.
20  import org.geotools.data.FeatureSource;   *
21  import org.geotools.data.Query;   * You should have received a copy of the GNU Lesser General Public License (license.txt)
22  import org.geotools.data.memory.MemoryDataStore;   * along with this program; if not, write to the Free Software
23  import org.geotools.feature.FeatureCollection;   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
24  import org.opengis.filter.Filter;   * or try this link: http://www.gnu.org/licenses/lgpl.html
25     *
26  import schmitzm.geotools.gui.FeatureCollectionTableModel;   * Contributors:
27  import skrueger.AttributeMetaData;   *     Martin O. J. Schmitz - initial API and implementation
28  import skrueger.i8n.I8NUtil;   *     Stefan A. Krüger - additional utility classes
29  import skrueger.i8n.Translation;   ******************************************************************************/
30    package skrueger.geotools;
31  import com.vividsolutions.jts.geom.Envelope;  
32    import java.util.HashMap;
33  /**  import java.util.Vector;
34   * This class extends the the {@link FeatureCollectionTableModel} with the  
35   * functionalities of the {@link AttributeMetaData} of  import org.apache.log4j.Logger;
36   * {@linkplain StyledMapInterface styled objects}.  import org.geotools.data.DefaultQuery;
37   * <ul>  import org.geotools.data.FeatureSource;
38   *   <li>column names are translated according to {@link AttributeMetaData#getTitle()}</li>  import org.geotools.data.Query;
39   *   <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  import org.geotools.feature.FeatureCollection;
40   * </ul>  import org.opengis.feature.simple.SimpleFeature;
41   * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)  import org.opengis.feature.simple.SimpleFeatureType;
42   */  import org.opengis.feature.type.AttributeDescriptor;
43  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {  import org.opengis.filter.Filter;
44    final static private Logger LOGGER = Logger.getLogger(StyledFeatureCollectionTableModel.class);  
45    /** Holds the data source as styled map. */  import schmitzm.geotools.feature.FeatureUtil;
46    protected StyledMapInterface<?> map = null;  import schmitzm.geotools.gui.FeatureCollectionTableModel;
47    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  import skrueger.AttributeMetadata;
48    protected Map<Integer, AttributeMetaData> visibleAMD = null;  
49    /** Holds the data source for the table as {@code FeatureSource}. */  import com.vividsolutions.jts.geom.Envelope;
50    protected FeatureSource featureSource = null;  
51    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */  /**
52    protected Map<Integer, AttributeMetaData> origAMD = null;   * This class extends the the {@link FeatureCollectionTableModel} with the
53    /** Holds the current filter on the table */   * functionalities of the {@link AttributeMetadata}.
54    protected Filter filter = null;   * <ul>
55    /** Holds the Bounds for all features. Only set once during the constructor **/   * <li>column names are translated according to
56    protected Envelope bounds;   * {@link AttributeMetadata#getTitle()}</li>
57     * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
58    /**   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
59     * Creates a new table model for a styled map.   * applied.</li>
60     * @param map the styled map   * </ul>
61     */   *
62    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * @author Stefan A. Krüger
63      this(map,Filter.INCLUDE);   */
64    }  public class StyledFeatureCollectionTableModel extends
65                    FeatureCollectionTableModel {
66    /**          final static private Logger LOGGER = Logger
67     * Creates a new table model for a styled map.                          .getLogger(StyledFeatureCollectionTableModel.class);
68     * @param map the styled map          /** Contains the complete {@link AttributeMetadata}-Map of the styled layer. */
69     * @param filter filter applied to the table          protected AttributeMetadataMap amdMap = null;
70     */          /** Holds the current filter on the table */
71    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {          protected Filter filter = null;
72      super();          /** Holds the Bounds for all features. Only set once during the constructor **/
73      setFeatureCollection(map, filter);          protected Envelope bounds;
74    }          /**
75             * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
76    /**           * {@link #reorganize} befuellt.
77     * Creates a new table model for a styled map.           */
78     * @param map the styled map          protected String[] colTooltips = null;
79     */  
80    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {          /**
81      this(map,Filter.INCLUDE);           * Creates a new table model for a styled layer.
82    }           *
83             * @param styledFeatures
84    /**           *            the styled layer
85     * Creates a new table model for a styled map.           * @param filter
86     * @param map the styled map           *            filter applied to the table
87     * @param filter filter applied to the table           */
88     */          public StyledFeatureCollectionTableModel(
89    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {                          StyledFeaturesInterface<?> styledFeatures) {
90      super();                  setStyledFeatures(styledFeatures);
91      setFeatureCollection(map, filter);          }
92    }  
93            /**
94    /**           * Sets a new data source for the table.
95     * Sets a new data source for the table.           *
96     * @param fs     the feature source           * @param fs
97     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           *            the feature source
98     *               and translation           * @param amdm
99     */           *            {@link AttributeMetadata}-Map to define the visible attributes
100    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {           *            and translation
101      if ( filter == null )           */
102        filter = Filter.INCLUDE;          protected void setFeatureSource(
103                                FeatureSource<SimpleFeatureType, SimpleFeature> fs,
104      this.featureSource = fs;                          AttributeMetadataMap amdm, Filter filter) throws Exception {
105      this.filter        = filter;  
106      this.origAMD       = amd;                  if (filter == null)
107      this.visibleAMD    = null;                          filter = Filter.INCLUDE;
108        
109      FeatureCollection fc = null;                  // this.featureSource = fs;
110      if (fs != null) {                  this.filter = filter;
111                            this.amdMap = amdm;
112         bounds = fs.getBounds();  
113                            FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
114        Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter);                  if (fs != null) {
115        if (amd != null) {  
116          // determine the names of the visible Attributes                          bounds = fs.getBounds();
117          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);  
118          Vector<String> visibleAttrNames = new Vector<String>();                          final SimpleFeatureType schema = fs.getSchema();
119          // Add the column with the geometry (usually "the_geom")                          Query query = new DefaultQuery(schema.getTypeName(), filter);
120          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());                          if (amdm != null) {
121          for (int attrIdx : visibleAMD.keySet())                                  Vector<String> visibleAttrNames = new Vector<String>();
122            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());  
123                                    // Add the column with the geometry (usually "the_geom") always
124          // create a query for the visible attributes                                  visibleAttrNames.add(schema.getGeometryDescriptor()
125          String[] properties = visibleAttrNames.toArray(new String[0]);                                                  .getLocalName());
126            
127          LOGGER.debug("Query contains the following attributes: " + visibleAttrNames);                                  // Add other visible attributes as ordered by weights
128                                            for (AttributeMetadata a : amdm.sortedValuesVisibleOnly()) {
129          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);                                          visibleAttrNames.add(a.getLocalName());
130        }                                  }
131        fc = fs.getFeatures(query);  
132    //                      Tested with 2.6.x trunk from 2009-11-26 and it now works. So we only request the properties we need!                    
133  // FAILS:!!!, even with  query = new DefaultQuery(fs.getSchema().getTypeName(), filter);  //                              /**
134                          // java.lang.UnsupportedOperationException: Unknown feature  //                               * I got NPEs when properties contained only [the_geom] ?!??!!??
135                          // attribute: PQM_MOD  //                               */
136                          // at  //                              if (properties.length > 1) {
137                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)                                          query = new DefaultQuery(schema.getTypeName(), filter,
138                          // bounds = fc.getBounds();                                                          visibleAttrNames.toArray(new String[] {}));
139                          // SK, 17.4.2009  //                              } else {
140                          //        //                                      query = new DefaultQuery(schema.getTypeName(), filter);
141                          // System.out.println("Filter = "+filter);  //                              }
142                          // System.out.println("Size of FC = "+fc.size());                          }
143                          // System.out.println("anz att= "+fc.getNumberOfAttributes());                          fc = fs.getFeatures(query);
144      }                  }
145      setFeatureCollection(fc);                  setFeatureCollection(fc);
146    }          }
147    
148    /**          /**
149     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
150     * and sets this as the new data source for the table.           * and sets this as the new data source for the table.
151     * @param fs     the feature source           *
152     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           * @param fs
153     *               and translation           *            the feature source
154     */           * @param amd
155    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {           *            {@link AttributeMetadata}-Map to define the visible attributes
156      this.map = map;           *            and translation
157      try {           */
158        if (map == null)          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
159          setFeatureSource(null, null, null);                  try {
160        else {                          if (styledFeatures == null)
161          FeatureCollection fc = map.getGeoObject();                                  setFeatureSource(null, null, null);
162          String fcName = fc.getSchema().getTypeName();                          else {
163          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                                  setFeatureSource(styledFeatures.getFeatureSource(),
164          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                                                  styledFeatures.getAttributeMetaDataMap(),
165        }                                                  styledFeatures.getFilter());
166      } catch (Exception err) {                          }
167        throw new RuntimeException(err);                  } catch (Exception err) {
168      }                          throw new RuntimeException(err);
169    }                  }
170            }
171    /**  
172     * Sets the {@code StyledFeatureCollection} as new data source for the table.          /**
173     * @param fs     the feature source           * After calling {@code super.reorganize(.)} this method replaced the column
174     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           * descriptions with the titles of the {@code AttributeMetaData}.
175     *               and translation           *
176     */           * @param fireTableStructureChanged
177    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {           *            indicates whether a table event is initiated after reorganize
178      this.map = map;           */
179      try {          @Override
180        if (map == null)          protected void reorganize(boolean fireTableStructureChanged) {
181          setFeatureSource(null, null, null);  
182        else                  featureArray = FeatureUtil.featuresToArray(featureTable);
183          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                  if (featureArray == null || featureArray.length == 0) {
184      } catch (Exception err) {                          colNames = new String[0];
185        throw new RuntimeException(err);                          colTooltips = new String[0]; // Only set and used in
186      }                                                                                          // StyledFeatureCollectionTableModel
187    }                          colClass = new Class[0];
188                      } else {
189    /**                          // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
190     * Resets the filter for the table.                          SimpleFeatureType schema = featureArray[0].getFeatureType();
191     * @param filter a filter                          // Pruefen, welche Attribute angezeigt werden
192     */                          attrTypes.clear();
193    public void setFilter(Filter filter) {                          for (AttributeMetadata amd : amdMap.sortedValuesVisibleOnly()) {
194      try{                                  AttributeDescriptor type = schema.getDescriptor(amd.getName());
195        setFeatureSource(this.featureSource, this.origAMD, filter);                                  if (attrFilter == null || attrFilter.accept(type))
196      } catch (Exception err) {                                          attrTypes.add(type);
197          LOGGER.error("Setting the filter of the table model", err);                          }
198        throw new RuntimeException(err);                          // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
199      }                          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     * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the Features                          attrIdxForCol = new int[attrTypes.size()];
204     */                          for (int i = 0; i < colNames.length; i++) {
205    public Filter getFilter() {                                  AttributeDescriptor descriptor = schema.getDescriptor(amdMap.sortedValuesVisibleOnly().get(i).getName());
206            return this.filter;  
207    }                                  // Not so nice in 26: find the index of an attribute...
208                                    int idx = schema.getAttributeDescriptors().indexOf(descriptor);
209    /**                                  attrIdxForCol[i] = idx;
210     * After calling {@code super.reorganize(.)} this method replaced the  
211     * column descriptions with the titles of the {@code AttributeMetaData}.                                  String attName = schema.getAttributeDescriptors().get(idx)
212     * @param fireTableStructureChanged indicates whether a table event is                                                  .getLocalName();
213     *        initiated after reorganize                                  colNames[i] = amdMap.get(attName).getTitle().toString();
214     */                                  AttributeMetadata amd = amdMap.get(attName);
215    @Override                                  colTooltips[i] = "<html>"+amd.getDesc().toString()+"<br>"+amd.getName()+"</html>";
216    protected void reorganize(boolean fireTableStructureChanged) {                                  colClass[i] = schema.getAttributeDescriptors().get(idx).getType()
217      super.reorganize(false);                                                  .getBinding();
218      // translate the column names                          }
219      if (visibleAMD != null) {                  }
220        Iterator<Integer> keys = visibleAMD.keySet().iterator();  
221        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                  // store feature indexes in HashMap to optimize findFeature(.)
222          Translation title = visibleAMD.get(keys.next()).getTitle();                  featureIdx = new HashMap<String, Integer>();
223          if (!I8NUtil.isEmpty(title)) {                  for (int i = 0; i < featureArray.length; i++)
224  //          System.out.println("set colname " + i + " to " + title.toString());                          if (featureArray[i] != null)
225            colNames[i] = title.toString();                                  featureIdx.put(featureArray[i].getID(), i);
226          }  //
227        }  //              // translate the column names
228      }  //              if (amdMap != null) {
229      if ( fireTableStructureChanged )  //                      for (int i = 0; i < colNames.length; i++) {
230        fireTableStructureChanged();  //                              colTooltips[i] = amdMap.get(colNames[i]).getDesc().toString()
231    }  //                                              + "<br>" + colNames[i];
232    //                              colNames[i] = amdMap.get(colNames[i]).getTitle().toString();
233    /**  //
234           * @return Cached bounds for the whole dataset (without applying the  //                      }
235           *          filter) or <code>null</code>  //              }
236           */                  if (fireTableStructureChanged)
237          public Envelope getBounds() {                          fireTableStructureChanged();
238                  return bounds;  
239          }          }
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    }

Legend:
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changed lines
  Added in v.607

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