/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 127 by mojays, Sat May 30 14:29:58 2009 UTC branches/1.0-gt2-2.6/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 534 by alfonx, Fri Nov 20 10:28:01 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")
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                                    // for (AttributeDescriptor aDesc :
133  // FAILS:!!!, even with  query = new DefaultQuery(fs.getSchema().getTypeName(), filter);                                  // schema.getAttributeDescriptors()) {
134                          // java.lang.UnsupportedOperationException: Unknown feature                                  //                                      
135                          // attribute: PQM_MOD                                  // // Always add the geometry
136                          // at                                  // if (schema.getGeometryDescriptor()
137                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)                                  // .getName().equals(aDesc.getName())) {
138                          // bounds = fc.getBounds();                                  // visibleAttrNames.add(schema.getGeometryDescriptor()
139                          // SK, 17.4.2009                                  // .getLocalName());
140                          //                                        // continue;
141                          // System.out.println("Filter = "+filter);                                  // }
142                          // System.out.println("Size of FC = "+fc.size());                                  //                                      
143                          // System.out.println("anz att= "+fc.getNumberOfAttributes());                                  // if (amd.get(aDesc.getName()).isVisible())
144      }                                  // visibleAttrNames.add(aDesc.getName().getLocalPart());
145      setFeatureCollection(fc);                                  // }
146    }                                  //
147                                    // // create a query for the visible attributes
148    /**                                  String[] properties = visibleAttrNames.toArray(new String[] {});
149     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                                  //
150     * and sets this as the new data source for the table.                                  // LOGGER.debug("Query contains the following attributes: "
151     * @param fs     the feature source                                  // + visibleAttrNames);
152     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes  
153     *               and translation                                  /**
154     */                                   * I got NPEs when properties contained only [the_geom] ?!??!!??
155    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                                   * TODO Try again one day... Not today... 20.11.2009, SK
156      this.map = map;                                   */
157      try {                                  if (properties.length > 1) {
158        if (map == null)                                          query = new DefaultQuery(schema.getTypeName(), filter,
159          setFeatureSource(null, null, null);                                                          properties);
160        else {                                  } else {
161          FeatureCollection fc = map.getGeoObject();                                          query = new DefaultQuery(schema.getTypeName(), filter);
162          String fcName = fc.getSchema().getTypeName();                                  }
163          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                          }
164          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                          fc = fs.getFeatures(query);
165        }                  }
166      } catch (Exception err) {                  setFeatureCollection(fc);
167        throw new RuntimeException(err);          }
168      }  
169    }          /**
170             * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
171    /**           * and sets this as the new data source for the table.
172     * Sets the {@code StyledFeatureCollection} as new data source for the table.           *
173     * @param fs     the feature source           * @param fs
174     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           *            the feature source
175     *               and translation           * @param amd
176     */           *            {@link AttributeMetadata}-Map to define the visible attributes
177    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {           *            and translation
178      this.map = map;           */
179      try {          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
180        if (map == null)                  try {
181          setFeatureSource(null, null, null);                          if (styledFeatures == null)
182        else                                  setFeatureSource(null, null, null);
183          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                          else {
184      } catch (Exception err) {                                  setFeatureSource(styledFeatures.getFeatureSource(),
185        throw new RuntimeException(err);                                                  styledFeatures.getAttributeMetaDataMap(),
186      }                                                  styledFeatures.getFilter());
187    }                          }
188                      } catch (Exception err) {
189    /**                          throw new RuntimeException(err);
190     * Resets the filter for the table.                  }
191     * @param filter a filter          }
192     */  
193    public void setFilter(Filter filter) {          /**
194      try{           * After calling {@code super.reorganize(.)} this method replaced the column
195        setFeatureSource(this.featureSource, this.origAMD, filter);           * descriptions with the titles of the {@code AttributeMetaData}.
196      } catch (Exception err) {           *
197          LOGGER.error("Setting the filter of the table model", err);           * @param fireTableStructureChanged
198        throw new RuntimeException(err);           *            indicates whether a table event is initiated after reorganize
199      }           */
200    }          @Override
201              protected void reorganize(boolean fireTableStructureChanged) {
202    /**  
203     * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the Features                  featureArray = FeatureUtil.featuresToArray(featureTable);
204     */                  if (featureArray == null || featureArray.length == 0) {
205    public Filter getFilter() {                          colNames = new String[0];
206            return this.filter;                          colTooltips = new String[0]; // Only set and used in
207    }                                                                                          // StyledFeatureCollectionTableModel
208                            colClass = new Class[0];
209    /**                  } else {
210     * After calling {@code super.reorganize(.)} this method replaced the                          // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
211     * column descriptions with the titles of the {@code AttributeMetaData}.                          SimpleFeatureType schema = featureArray[0].getFeatureType();
212     * @param fireTableStructureChanged indicates whether a table event is                          // Pruefen, welche Attribute angezeigt werden
213     *        initiated after reorganize                          attrTypes.clear();
214     */                          for (AttributeMetadata amd : amdMap.sortedValuesVisibleOnly()) {
215    @Override                                  AttributeDescriptor type = schema.getDescriptor(amd.getName());
216    protected void reorganize(boolean fireTableStructureChanged) {                                  if (attrFilter == null || attrFilter.accept(type))
217      super.reorganize(false);                                          attrTypes.add(type);
218      // translate the column names                          }
219      if (visibleAMD != null) {                          // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
220        Iterator<Integer> keys = visibleAMD.keySet().iterator();                          colNames = new String[attrTypes.size()];
221        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                          colTooltips = new String[attrTypes.size()]; // Only set and used in
222          Translation title = visibleAMD.get(keys.next()).getTitle();                                                                                                                  // StyledFeatureCollectionTableModel
223          if (!I8NUtil.isEmpty(title)) {                          colClass = new Class[attrTypes.size()];
224  //          System.out.println("set colname " + i + " to " + title.toString());                          attrIdxForCol = new int[attrTypes.size()];
225            colNames[i] = title.toString();                          for (int i = 0; i < colNames.length; i++) {
226          }                                  AttributeDescriptor descriptor = schema.getDescriptor(amdMap.sortedValuesVisibleOnly().get(i).getName());
227        }  
228      }                                  // Not so nice in 26: find the index of an attribute...
229      if ( fireTableStructureChanged )                                  int idx = schema.getAttributeDescriptors().indexOf(descriptor);
230        fireTableStructureChanged();                                  attrIdxForCol[i] = idx;
231    }  
232                                    String attName = schema.getAttributeDescriptors().get(idx)
233    /**                                                  .getLocalName();
234           * @returns Cached bounds for the whole dataset (without applying the                                  colNames[i] = amdMap.get(attName).getTitle().toString();
235           *          filter) or <code>null</code>                                  AttributeMetadata amd = amdMap.get(attName);
236           */                                  colTooltips[i] = "<html>"+amd.getDesc().toString()+"<br>"+amd.getName()+"</html>";
237          public Envelope getBounds() {                                  colClass[i] = schema.getAttributeDescriptors().get(idx).getType()
238                  return bounds;                                                  .getBinding();
239          }                          }
240  }                  }
241    
242                    // store feature indexes in HashMap to optimize findFeature(.)
243                    featureIdx = new HashMap<String, Integer>();
244                    for (int i = 0; i < featureArray.length; i++)
245                            if (featureArray[i] != null)
246                                    featureIdx.put(featureArray[i].getID(), i);
247    //
248    //              // translate the column names
249    //              if (amdMap != null) {
250    //                      for (int i = 0; i < colNames.length; i++) {
251    //                              colTooltips[i] = amdMap.get(colNames[i]).getDesc().toString()
252    //                                              + "<br>" + colNames[i];
253    //                              colNames[i] = amdMap.get(colNames[i]).getTitle().toString();
254    //
255    //                      }
256    //              }
257                    if (fireTableStructureChanged)
258                            fireTableStructureChanged();
259    
260            }
261    
262            /**
263             * @return Cached bounds for the whole dataset (without applying the filter)
264             *         or <code>null</code>
265             */
266            public Envelope getBounds() {
267                    return bounds;
268            }
269    }

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