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