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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 57 by mojays, Fri Apr 17 15:26:14 2009 UTC branches/2.2.x/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 1042 by alfonx, Wed Sep 22 11:17:48 2010 UTC
# Line 1  Line 1 
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  import java.util.Iterator;   * as published by the Free Software Foundation; either version 3
14  import java.util.Map;   * of the License, or (at your option) any later version.
15  import java.util.TreeMap;   *
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.geotools.data.DefaultQuery;   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  import org.geotools.data.FeatureSource;   * GNU General Public License for more details.
20  import org.geotools.data.Query;   *
21  import org.geotools.data.memory.MemoryDataStore;   * You should have received a copy of the GNU Lesser General Public License (license.txt)
22  import org.geotools.feature.FeatureCollection;   * along with this program; if not, write to the Free Software
23  import org.opengis.filter.Filter;   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
24     * or try this link: http://www.gnu.org/licenses/lgpl.html
25  import schmitzm.geotools.gui.FeatureCollectionTableModel;   *
26  import skrueger.AttributeMetaData;   * Contributors:
27  import skrueger.i8n.I8NUtil;   *     Martin O. J. Schmitz - initial API and implementation
28  import skrueger.i8n.Translation;   *     Stefan A. Tzeggai - additional utility classes
29     ******************************************************************************/
30  /**  package skrueger.geotools;
31   * This class extends the the {@link FeatureCollectionTableModel} with the  
32   * functionalities of the {@link AttributeMetaData} of  import java.util.HashMap;
33   * {@linkplain StyledMapInterface styled objects}.  import java.util.LinkedHashSet;
34   * <ul>  import java.util.List;
35   * <li>column names are translated according to  import java.util.Vector;
36   * {@link AttributeMetaData#getTitle()}</li>  
37   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  import org.apache.log4j.Logger;
38   * </ul>  import org.geotools.data.DefaultQuery;
39   *  import org.geotools.data.FeatureSource;
40   * @author <a href="mailto:[email protected]">Martin Schmitz</a>  import org.geotools.data.Query;
41   *         (University of Bonn/Germany)  import org.geotools.feature.FeatureCollection;
42   *  import org.opengis.feature.simple.SimpleFeature;
43   */  import org.opengis.feature.simple.SimpleFeatureType;
44  public class StyledFeatureCollectionTableModel extends  import org.opengis.feature.type.AttributeDescriptor;
45      FeatureCollectionTableModel {  import org.opengis.feature.type.Name;
46    import org.opengis.filter.Filter;
47    protected Map<Integer, AttributeMetaData> visibleAMD = null;  
48    import schmitzm.geotools.feature.FeatureUtil;
49    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {  import schmitzm.geotools.gui.FeatureCollectionTableModel;
50      this(map,Filter.INCLUDE);  import skrueger.AttributeMetadataImpl;
51    }  import skrueger.AttributeMetadataInterface;
52    
53    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {  import com.vividsolutions.jts.geom.Envelope;
54      super();  
55      setFeatureCollection(map, filter);  /**
56    }   * This class extends the the {@link FeatureCollectionTableModel} with the
57     * functionalities of the {@link AttributeMetadataImpl}.
58    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {   * <ul>
59      this(map,Filter.INCLUDE);   * <li>column names are translated according to
60    }   * {@link AttributeMetadataImpl#getTitle()}</li>
61     * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
62    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
63      super();   * applied.</li>
64      setFeatureCollection(map, filter);   * </ul>
65    }   *
66     * @author Stefan A. Tzeggai
67    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {   */
68      this.visibleAMD = null;  public class StyledFeatureCollectionTableModel extends
69      if ( filter == null )                  FeatureCollectionTableModel {
70        filter = Filter.INCLUDE;          final static private Logger LOGGER = Logger
71                                .getLogger(StyledFeatureCollectionTableModel.class);
72      FeatureCollection fc = null;          /** Contains the complete {@link AttributeMetadataImpl}-Map of the styled layer. */
73      if (fs != null) {          protected AttributeMetadataMap<? extends AttributeMetadataInterface> amdMap = null;
74        Query query = new DefaultQuery();          /** Holds the current filter on the table */
75        if (amd != null) {          protected Filter filter = null;
76          // determine the names of the visible Attributes          /** Holds the Bounds for all features. Only set once during the constructor **/
77          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);          protected Envelope bounds;
78          Vector<String> visibleAttrNames = new Vector<String>();          /**
79          // Add the column with the geometry (usually "the_geom")           * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
80          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());           * {@link #reorganize} befuellt.
81          for (int attrIdx : visibleAMD.keySet())           */
82            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());          protected String[] colTooltips = null;
83    
84          // create a query for the visible attributes          /** A cache for the #sortedValuesVisibleOnly() **/
85          String[] properties = visibleAttrNames.toArray(new String[0]);          protected List<? extends AttributeMetadataInterface> amdMapVisibleOnly = null;
86          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);  
87        }          /**
88        fc = fs.getFeatures(query);           * Creates a new table model for a styled layer.
89      }           *
90      setFeatureCollection(fc);           * @param styledFeatures
91    }           *            the styled layer
92             * @param filter
93    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {           *            filter applied to the table
94      try {           */
95        if (map == null)          public StyledFeatureCollectionTableModel(
96          setFeatureSource(null, null, null);                          StyledFeaturesInterface<?> styledFeatures) {
97        else {                  setStyledFeatures(styledFeatures);
98          FeatureCollection fc = map.getGeoObject();          }
99          String fcName = fc.getFeatureType().getTypeName();  
100          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);          /**
101          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);           * This overwritten method filters the values for NODATA-values defined in
102        }           * the {@link AttributeMetadataImpl}
103      } catch (Exception err) {           */
104        throw new RuntimeException(err);          @Override
105      }          public Object getValueAt(int row, int col) {
106    }                  Object rawValue = super.getValueAt(row, col);
107                    return amdMap.sortedValuesVisibleOnly().get(col).fiterNodata(rawValue);
108    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {          }
109      try {          
110        if (map == null)          /**
111          setFeatureSource(null, null, null);           * Sets a new data source for the table.
112        else           *
113          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);           * @param fs
114      } catch (Exception err) {           *            the feature source
115        throw new RuntimeException(err);           * @param amdm
116      }           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
117    }           *            and translation
118             */
119    @Override          protected void setFeatureSource(
120    public void reorganize() {                          FeatureSource<SimpleFeatureType, SimpleFeature> fs,
121      super.reorganize();                          AttributeMetadataMap<? extends AttributeMetadataInterface> amdm, Filter filter) throws Exception {
122      // translate the column names  
123      if (visibleAMD != null) {                  if (filter == null)
124        Iterator<Integer> keys = visibleAMD.keySet().iterator();                          filter = Filter.INCLUDE;
125        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {  
126          Translation title = visibleAMD.get(keys.next()).getTitle();                  // this.featureSource = fs;
127          if (!I8NUtil.isEmpty(title)) {                  this.filter = filter;
128            System.out.println("set colname " + i + " to " + title.toString());                  this.amdMap = amdm;
129            colNames[i] = title.toString();                  this.amdMapVisibleOnly = amdMap.sortedValuesVisibleOnly();
130          }  
131        }                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
132      }                  if (fs != null) {
133      fireTableStructureChanged();  
134    }                          bounds = fs.getBounds();
135  }  
136                            final SimpleFeatureType schema = fs.getSchema();
137                            Query query = new DefaultQuery(schema.getTypeName(), filter);
138                            if (amdm != null) {
139                                    LinkedHashSet<String> visibleAttrNames = new LinkedHashSet<String>();
140    
141                                    // Add the column with the geometry (usually "the_geom") always
142                                    String geomColumnLocalName = schema.getGeometryDescriptor()
143                                                    .getLocalName();
144                                    visibleAttrNames.add(geomColumnLocalName);
145    
146                                    // Add other visible attributes as ordered by weights
147                                    for (AttributeMetadataInterface a : amdMapVisibleOnly) {
148                                            visibleAttrNames.add(a.getLocalName());
149                                    }
150    
151                                    // Tested with 2.6.x trunk from 2009-11-26 and it now works. So
152                                    // we only request the properties we need!
153                                    // /**
154                                    // * I got NPEs when properties contained only [the_geom]
155                                    // ?!??!!??
156                                    // */
157                                    // if (properties.length > 1) {
158                                    query = new DefaultQuery(schema.getTypeName(), filter,
159                                                    visibleAttrNames.toArray(new String[] {}));
160                                    // } else {
161                                    // query = new DefaultQuery(schema.getTypeName(), filter);
162                                    // }
163                                    
164                                    System.out.println(query.getPropertyNames());
165                            }
166                            fc = fs.getFeatures(query);
167                    }
168                    setFeatureCollection(fc);
169            }
170    
171            /**
172             * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
173             * and sets this as the new data source for the table.
174             *
175             * @param fs
176             *            the feature source
177             * @param amd
178             *            {@link AttributeMetadataImpl}-Map to define the visible attributes
179             *            and translation
180             */
181            public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
182                    try {
183                            if (styledFeatures == null)
184                                    setFeatureSource(null, null, null);
185                            else {
186                                    setFeatureSource(styledFeatures.getFeatureSource(),
187                                                    styledFeatures.getAttributeMetaDataMap(),
188                                                    styledFeatures.getFilter());
189                            }
190                    } catch (Exception err) {
191                            throw new RuntimeException(err);
192                    }
193            }
194    
195            /**
196             * After calling {@code super.reorganize(.)} this method replaced the column
197             * descriptions with the titles of the {@code AttributeMetaData}.
198             *
199             * @param fireTableStructureChanged
200             *            indicates whether a table event is initiated after reorganize
201             */
202            @Override
203            protected void reorganize(boolean fireTableStructureChanged) {
204    
205                    featureArray = FeatureUtil.featuresToArray(featureTable);
206                    if (featureArray == null || featureArray.length == 0) {
207                            colNames = new String[0];
208                            colTooltips = new String[0]; // Only set and used in
209                            // StyledFeatureCollectionTableModel
210                            colClass = new Class[0];
211                    } else {
212                            // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
213                            SimpleFeatureType schema = featureArray[0].getFeatureType();
214                            // Pruefen, welche Attribute angezeigt werden
215                            attrTypes.clear();
216                            for (AttributeMetadataInterface amd : amdMapVisibleOnly) {
217                                    Name name = amd.getName();
218                    AttributeDescriptor type = schema.getDescriptor(name);
219                    // if type can not be determined by complete name,
220                    // try only the local name
221                    if ( type == null )
222                      type = schema.getDescriptor(name.getLocalPart());
223                                    if (attrFilter == null || attrFilter.accept(type))
224                                            attrTypes.add(type);
225                            }
226                            // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
227                            colNames = new String[attrTypes.size()];
228                            colTooltips = new String[attrTypes.size()]; // Only set and used in
229                            // StyledFeatureCollectionTableModel
230                            colClass = new Class[attrTypes.size()];
231                            attrIdxForCol = new int[attrTypes.size()];
232                            for (int i = 0; i < colNames.length; i++) {
233                                    Name name = amdMapVisibleOnly.get(i).getName();
234                    AttributeDescriptor descriptor = schema.getDescriptor(name);
235                    // if type can not be determined by complete name,
236                    // try only the local name
237                    if ( descriptor == null )
238                      descriptor = schema.getDescriptor(name.getLocalPart());
239    
240                                    // Not so nice in 26: find the index of an attribute...
241                                    int idx = schema.getAttributeDescriptors().indexOf(descriptor);
242                                    attrIdxForCol[i] = idx;
243    
244                                    String attName = schema.getAttributeDescriptors().get(idx)
245                                                    .getLocalName();
246                                    colNames[i] = amdMap.get(attName).getTitle().toString();
247                                    AttributeMetadataInterface amd = amdMap.get(attName);
248                                    colTooltips[i] = "<html>" + amd.getDesc().toString() + "<br>"
249                                                    + amd.getName() + "</html>";
250                                    colClass[i] = schema.getAttributeDescriptors().get(idx)
251                                                    .getType().getBinding();
252                            }
253                    }
254    
255                    // store feature indexes in HashMap to optimize findFeature(.)
256                    featureIdx = new HashMap<String, Integer>();
257                    for (int i = 0; i < featureArray.length; i++)
258                            if (featureArray[i] != null)
259                                    featureIdx.put(featureArray[i].getID(), i);
260                    //
261                    // // translate the column names
262                    // if (amdMap != null) {
263                    // for (int i = 0; i < colNames.length; i++) {
264                    // colTooltips[i] = amdMap.get(colNames[i]).getDesc().toString()
265                    // + "<br>" + colNames[i];
266                    // colNames[i] = amdMap.get(colNames[i]).getTitle().toString();
267                    //
268                    // }
269                    // }
270                    if (fireTableStructureChanged)
271                            fireTableStructureChanged();
272    
273            }
274    
275            /**
276             * @return Cached bounds for the whole dataset (without applying the filter)
277             *         or <code>null</code>
278             */
279            public Envelope getBounds() {
280                    return bounds;
281            }
282    }

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