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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 145 by alfonx, Thu Jun 18 00:28:28 2009 UTC branches/2.2.x/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 1032 by mojays, Tue Sep 21 14:39:42 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.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. Tzeggai - 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.List;
34   * This class extends the the {@link FeatureCollectionTableModel} with the  import java.util.Vector;
35   * functionalities of the {@link AttributeMetaData} of  
36   * {@linkplain StyledMapInterface styled objects}.  import org.apache.log4j.Logger;
37   * <ul>  import org.geotools.data.DefaultQuery;
38   *   <li>column names are translated according to {@link AttributeMetaData#getTitle()}</li>  import org.geotools.data.FeatureSource;
39   *   <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  import org.geotools.data.Query;
40   * </ul>  import org.geotools.feature.FeatureCollection;
41   * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)  import org.opengis.feature.simple.SimpleFeature;
42   */  import org.opengis.feature.simple.SimpleFeatureType;
43  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {  import org.opengis.feature.type.AttributeDescriptor;
44    final static private Logger LOGGER = Logger.getLogger(StyledFeatureCollectionTableModel.class);  import org.opengis.feature.type.Name;
45    /** Holds the data source as styled map. */  import org.opengis.filter.Filter;
46    protected StyledMapInterface<?> map = null;  
47    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  import schmitzm.geotools.feature.FeatureUtil;
48    protected Map<Integer, AttributeMetaData> visibleAMD = null;  import schmitzm.geotools.gui.FeatureCollectionTableModel;
49    /** Holds the data source for the table as {@code FeatureSource}. */  import skrueger.AttributeMetadataImpl;
50    protected FeatureSource featureSource = null;  import skrueger.AttributeMetadataInterface;
51    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */  
52    protected Map<Integer, AttributeMetaData> origAMD = null;  import com.vividsolutions.jts.geom.Envelope;
53    /** Holds the current filter on the table */  
54    protected Filter filter = null;  /**
55    /** Holds the Bounds for all features. Only set once during the constructor **/   * This class extends the the {@link FeatureCollectionTableModel} with the
56    protected Envelope bounds;   * functionalities of the {@link AttributeMetadataImpl}.
57     * <ul>
58    /**   * <li>column names are translated according to
59     * Creates a new table model for a styled map.   * {@link AttributeMetadataImpl#getTitle()}</li>
60     * @param map the styled map   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
61     */   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
62    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * applied.</li>
63      this(map,Filter.INCLUDE);   * </ul>
64    }   *
65     * @author Stefan A. Tzeggai
66    /**   */
67     * Creates a new table model for a styled map.  public class StyledFeatureCollectionTableModel extends
68     * @param map the styled map                  FeatureCollectionTableModel {
69     * @param filter filter applied to the table          final static private Logger LOGGER = Logger
70     */                          .getLogger(StyledFeatureCollectionTableModel.class);
71    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {          /** Contains the complete {@link AttributeMetadataImpl}-Map of the styled layer. */
72      super();          protected AttributeMetadataMap<? extends AttributeMetadataInterface> amdMap = null;
73      setFeatureCollection(map, filter);          /** Holds the current filter on the table */
74    }          protected Filter filter = null;
75            /** Holds the Bounds for all features. Only set once during the constructor **/
76    /**          protected Envelope bounds;
77     * Creates a new table model for a styled map.          /**
78     * @param map the styled map           * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
79     */           * {@link #reorganize} befuellt.
80    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {           */
81      this(map,Filter.INCLUDE);          protected String[] colTooltips = null;
82    }  
83            /** A cache for the #sortedValuesVisibleOnly() **/
84    /**          protected List<? extends AttributeMetadataInterface> amdMapVisibleOnly = null;
85     * Creates a new table model for a styled map.  
86     * @param map the styled map          /**
87     * @param filter filter applied to the table           * Creates a new table model for a styled layer.
88     */           *
89    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {           * @param styledFeatures
90      super();           *            the styled layer
91      setFeatureCollection(map, filter);           * @param filter
92    }           *            filter applied to the table
93             */
94    /**          public StyledFeatureCollectionTableModel(
95     * Sets a new data source for the table.                          StyledFeaturesInterface<?> styledFeatures) {
96     * @param fs     the feature source                  setStyledFeatures(styledFeatures);
97     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes          }
98     *               and translation  
99     */          /**
100    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {           * This overwritten method filters the values for NODATA-values defined in
101      if ( filter == null )           * the {@link AttributeMetadataImpl}
102        filter = Filter.INCLUDE;           */
103                @Override
104      this.featureSource = fs;          public Object getValueAt(int row, int col) {
105      this.filter        = filter;                  Object rawValue = super.getValueAt(row, col);
106      this.origAMD       = amd;                  return amdMap.sortedValuesVisibleOnly().get(col).fiterNodata(rawValue);
107      this.visibleAMD    = null;          }
108                
109      FeatureCollection fc = null;          /**
110      if (fs != null) {           * Sets a new data source for the table.
111                     *
112         bounds = fs.getBounds();           * @param fs
113                     *            the feature source
114        Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter);           * @param amdm
115        if (amd != null) {           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
116          // determine the names of the visible Attributes           *            and translation
117          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);           */
118          Vector<String> visibleAttrNames = new Vector<String>();          protected void setFeatureSource(
119          // Add the column with the geometry (usually "the_geom")                          FeatureSource<SimpleFeatureType, SimpleFeature> fs,
120          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());                          AttributeMetadataMap<? extends AttributeMetadataInterface> amdm, Filter filter) throws Exception {
121          for (int attrIdx : visibleAMD.keySet())  
122            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());                  if (filter == null)
123                            filter = Filter.INCLUDE;
124          // create a query for the visible attributes  
125          String[] properties = visibleAttrNames.toArray(new String[0]);                  // this.featureSource = fs;
126                            this.filter = filter;
127          LOGGER.debug("Query contains the following attributes: " + visibleAttrNames);                  this.amdMap = amdm;
128                            this.amdMapVisibleOnly = amdMap.sortedValuesVisibleOnly();
129          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);  
130        }                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
131        fc = fs.getFeatures(query);                  if (fs != null) {
132    
133  // FAILS:!!!, even with  query = new DefaultQuery(fs.getSchema().getTypeName(), filter);                          bounds = fs.getBounds();
134                          // java.lang.UnsupportedOperationException: Unknown feature  
135                          // attribute: PQM_MOD                          final SimpleFeatureType schema = fs.getSchema();
136                          // at                          Query query = new DefaultQuery(schema.getTypeName(), filter);
137                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)                          if (amdm != null) {
138                          // bounds = fc.getBounds();                                  Vector<String> visibleAttrNames = new Vector<String>();
139                          // SK, 17.4.2009  
140                          //                                        // Add the column with the geometry (usually "the_geom") always
141                          // System.out.println("Filter = "+filter);                                  visibleAttrNames.add(schema.getGeometryDescriptor()
142                          // System.out.println("Size of FC = "+fc.size());                                                  .getLocalName());
143                          // System.out.println("anz att= "+fc.getNumberOfAttributes());  
144      }                                  // Add other visible attributes as ordered by weights
145      setFeatureCollection(fc);                                  for (AttributeMetadataInterface a : amdMapVisibleOnly) {
146    }                                          visibleAttrNames.add(a.getLocalName());
147                                    }
148    /**  
149     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                                  // Tested with 2.6.x trunk from 2009-11-26 and it now works. So
150     * and sets this as the new data source for the table.                                  // we only request the properties we need!
151     * @param fs     the feature source                                  // /**
152     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                  // * I got NPEs when properties contained only [the_geom]
153     *               and translation                                  // ?!??!!??
154     */                                  // */
155    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                                  // if (properties.length > 1) {
156      this.map = map;                                  query = new DefaultQuery(schema.getTypeName(), filter,
157      try {                                                  visibleAttrNames.toArray(new String[] {}));
158        if (map == null)                                  // } else {
159          setFeatureSource(null, null, null);                                  // query = new DefaultQuery(schema.getTypeName(), filter);
160        else {                                  // }
161          FeatureCollection fc = map.getGeoObject();                          }
162          String fcName = fc.getSchema().getTypeName();                          fc = fs.getFeatures(query);
163          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                  }
164          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                  setFeatureCollection(fc);
165        }          }
166      } catch (Exception err) {  
167        throw new RuntimeException(err);          /**
168      }           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
169    }           * and sets this as the new data source for the table.
170             *
171    /**           * @param fs
172     * Sets the {@code StyledFeatureCollection} as new data source for the table.           *            the feature source
173     * @param fs     the feature source           * @param amd
174     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
175     *               and translation           *            and translation
176     */           */
177    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
178      this.map = map;                  try {
179      try {                          if (styledFeatures == null)
180        if (map == null)                                  setFeatureSource(null, null, null);
181          setFeatureSource(null, null, null);                          else {
182        else                                  setFeatureSource(styledFeatures.getFeatureSource(),
183          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                                                  styledFeatures.getAttributeMetaDataMap(),
184      } catch (Exception err) {                                                  styledFeatures.getFilter());
185        throw new RuntimeException(err);                          }
186      }                  } catch (Exception err) {
187    }                          throw new RuntimeException(err);
188                      }
189    /**          }
190     * Resets the filter for the table.  
191     * @param filter a filter          /**
192     */           * After calling {@code super.reorganize(.)} this method replaced the column
193    public void setFilter(Filter filter) {           * descriptions with the titles of the {@code AttributeMetaData}.
194      try{           *
195        setFeatureSource(this.featureSource, this.origAMD, filter);           * @param fireTableStructureChanged
196      } catch (Exception err) {           *            indicates whether a table event is initiated after reorganize
197          LOGGER.error("Setting the filter of the table model", err);           */
198        throw new RuntimeException(err);          @Override
199      }          protected void reorganize(boolean fireTableStructureChanged) {
200    }  
201                      featureArray = FeatureUtil.featuresToArray(featureTable);
202    /**                  if (featureArray == null || featureArray.length == 0) {
203     * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the Features                          colNames = new String[0];
204     */                          colTooltips = new String[0]; // Only set and used in
205    public Filter getFilter() {                          // StyledFeatureCollectionTableModel
206            return this.filter;                          colClass = new Class[0];
207    }                  } else {
208                            // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
209    /**                          SimpleFeatureType schema = featureArray[0].getFeatureType();
210     * After calling {@code super.reorganize(.)} this method replaced the                          // Pruefen, welche Attribute angezeigt werden
211     * column descriptions with the titles of the {@code AttributeMetaData}.                          attrTypes.clear();
212     * @param fireTableStructureChanged indicates whether a table event is                          for (AttributeMetadataInterface amd : amdMapVisibleOnly) {
213     *        initiated after reorganize                                  Name name = amd.getName();
214     */                  AttributeDescriptor type = schema.getDescriptor(name);
215    @Override                  // if type can not be determined by complete name,
216    protected void reorganize(boolean fireTableStructureChanged) {                  // try only the local name
217      super.reorganize(false);                  if ( type == null )
218      // translate the column names                    type = schema.getDescriptor(name.getLocalPart());
219      if (visibleAMD != null) {                                  if (attrFilter == null || attrFilter.accept(type))
220        Iterator<Integer> keys = visibleAMD.keySet().iterator();                                          attrTypes.add(type);
221        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                          }
222          Translation title = visibleAMD.get(keys.next()).getTitle();                          // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
223          if (!I8NUtil.isEmpty(title)) {                          colNames = new String[attrTypes.size()];
224  //          System.out.println("set colname " + i + " to " + title.toString());                          colTooltips = new String[attrTypes.size()]; // Only set and used in
225            colNames[i] = title.toString();                          // StyledFeatureCollectionTableModel
226          }                          colClass = new Class[attrTypes.size()];
227        }                          attrIdxForCol = new int[attrTypes.size()];
228      }                          for (int i = 0; i < colNames.length; i++) {
229      if ( fireTableStructureChanged )                                  Name name = amdMapVisibleOnly.get(i).getName();
230        fireTableStructureChanged();                  AttributeDescriptor descriptor = schema.getDescriptor(name);
231    }                  // if type can not be determined by complete name,
232                    // try only the local name
233    /**                  if ( descriptor == null )
234           * @return Cached bounds for the whole dataset (without applying the                    descriptor = schema.getDescriptor(name.getLocalPart());
235           *          filter) or <code>null</code>  
236           */                                  // Not so nice in 26: find the index of an attribute...
237          public Envelope getBounds() {                                  int idx = schema.getAttributeDescriptors().indexOf(descriptor);
238                  return bounds;                                  attrIdxForCol[i] = idx;
239          }  
240  }                                  String attName = schema.getAttributeDescriptors().get(idx)
241                                                    .getLocalName();
242                                    colNames[i] = amdMap.get(attName).getTitle().toString();
243                                    AttributeMetadataInterface amd = amdMap.get(attName);
244                                    colTooltips[i] = "<html>" + amd.getDesc().toString() + "<br>"
245                                                    + amd.getName() + "</html>";
246                                    colClass[i] = schema.getAttributeDescriptors().get(idx)
247                                                    .getType().getBinding();
248                            }
249                    }
250    
251                    // store feature indexes in HashMap to optimize findFeature(.)
252                    featureIdx = new HashMap<String, Integer>();
253                    for (int i = 0; i < featureArray.length; i++)
254                            if (featureArray[i] != null)
255                                    featureIdx.put(featureArray[i].getID(), i);
256                    //
257                    // // translate the column names
258                    // if (amdMap != null) {
259                    // for (int i = 0; i < colNames.length; i++) {
260                    // colTooltips[i] = amdMap.get(colNames[i]).getDesc().toString()
261                    // + "<br>" + colNames[i];
262                    // colNames[i] = amdMap.get(colNames[i]).getTitle().toString();
263                    //
264                    // }
265                    // }
266                    if (fireTableStructureChanged)
267                            fireTableStructureChanged();
268    
269            }
270    
271            /**
272             * @return Cached bounds for the whole dataset (without applying the filter)
273             *         or <code>null</code>
274             */
275            public Envelope getBounds() {
276                    return bounds;
277            }
278    }

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