/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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revision 111 by alfonx, Tue May 12 23:33:14 2009 UTC revision 1043 by alfonx, Wed Sep 22 11:19:06 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.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. Tzeggai - 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.LinkedHashSet;
34  /**  import java.util.List;
35   * This class extends the the {@link FeatureCollectionTableModel} with the  import java.util.Vector;
36   * functionalities of the {@link AttributeMetaData} of  
37   * {@linkplain StyledMapInterface styled objects}.  import org.apache.log4j.Logger;
38   * <ul>  import org.geotools.data.DefaultQuery;
39   *   <li>column names are translated according to {@link AttributeMetaData#getTitle()}</li>  import org.geotools.data.FeatureSource;
40   *   <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  import org.geotools.data.Query;
41   * </ul>  import org.geotools.feature.FeatureCollection;
42   * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)  import org.opengis.feature.simple.SimpleFeature;
43   */  import org.opengis.feature.simple.SimpleFeatureType;
44  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {  import org.opengis.feature.type.AttributeDescriptor;
45    final static private Logger LOGGER = Logger.getLogger(StyledFeatureCollectionTableModel.class);  import org.opengis.feature.type.Name;
46    /** Holds the data source as styled map. */  import org.opengis.filter.Filter;
47    protected StyledMapInterface<?> map = null;  
48    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  import schmitzm.geotools.feature.FeatureUtil;
49    protected Map<Integer, AttributeMetaData> visibleAMD = null;  import schmitzm.geotools.gui.FeatureCollectionTableModel;
50    /** Holds the data source for the table as {@code FeatureSource}. */  import skrueger.AttributeMetadataImpl;
51    protected FeatureSource featureSource = null;  import skrueger.AttributeMetadataInterface;
52    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */  
53    protected Map<Integer, AttributeMetaData> origAMD = null;  import com.vividsolutions.jts.geom.Envelope;
54    /** Holds the current filter on the table */  
55    protected Filter filter = null;  /**
56    /** Holds the Bounds for all features. Only set once during the constructor **/   * This class extends the the {@link FeatureCollectionTableModel} with the
57    protected Envelope bounds;   * functionalities of the {@link AttributeMetadataImpl}.
58     * <ul>
59    /**   * <li>column names are translated according to
60     * Creates a new table model for a styled map.   * {@link AttributeMetadataImpl#getTitle()}</li>
61     * @param map the styled map   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
62     */   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
63    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * applied.</li>
64      this(map,Filter.INCLUDE);   * </ul>
65    }   *
66     * @author Stefan A. Tzeggai
67    /**   */
68     * Creates a new table model for a styled map.  public class StyledFeatureCollectionTableModel extends
69     * @param map the styled map                  FeatureCollectionTableModel {
70     * @param filter filter applied to the table          final static private Logger LOGGER = Logger
71     */                          .getLogger(StyledFeatureCollectionTableModel.class);
72    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {          /** Contains the complete {@link AttributeMetadataImpl}-Map of the styled layer. */
73      super();          protected AttributeMetadataMap<? extends AttributeMetadataInterface> amdMap = null;
74      setFeatureCollection(map, filter);          /** Holds the current filter on the table */
75    }          protected Filter filter = null;
76            /** Holds the Bounds for all features. Only set once during the constructor **/
77    /**          protected Envelope bounds;
78     * Creates a new table model for a styled map.          /**
79     * @param map the styled map           * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
80     */           * {@link #reorganize} befuellt.
81    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {           */
82      this(map,Filter.INCLUDE);          protected String[] colTooltips = null;
83    }  
84            /** A cache for the #sortedValuesVisibleOnly() **/
85    /**          protected List<? extends AttributeMetadataInterface> amdMapVisibleOnly = null;
86     * Creates a new table model for a styled map.  
87     * @param map the styled map          /**
88     * @param filter filter applied to the table           * Creates a new table model for a styled layer.
89     */           *
90    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {           * @param styledFeatures
91      super();           *            the styled layer
92      setFeatureCollection(map, filter);           * @param filter
93    }           *            filter applied to the table
94             */
95    /**          public StyledFeatureCollectionTableModel(
96     * Sets a new data source for the table.                          StyledFeaturesInterface<?> styledFeatures) {
97     * @param fs     the feature source                  setStyledFeatures(styledFeatures);
98     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes          }
99     *               and translation  
100     */          /**
101    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {           * This overwritten method filters the values for NODATA-values defined in
102      if ( filter == null )           * the {@link AttributeMetadataImpl}
103        filter = Filter.INCLUDE;           */
104                @Override
105      this.featureSource = fs;          public Object getValueAt(int row, int col) {
106      this.filter        = filter;                  Object rawValue = super.getValueAt(row, col);
107      this.origAMD       = amd;                  return amdMap.sortedValuesVisibleOnly().get(col).fiterNodata(rawValue);
108      this.visibleAMD    = null;          }
109                
110      FeatureCollection fc = null;          /**
111      if (fs != null) {           * Sets a new data source for the table.
112                     *
113         bounds = fs.getBounds();           * @param fs
114                     *            the feature source
115        Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter);           * @param amdm
116        if (amd != null) {           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
117          // determine the names of the visible Attributes           *            and translation
118          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);           */
119          Vector<String> visibleAttrNames = new Vector<String>();          protected void setFeatureSource(
120          // Add the column with the geometry (usually "the_geom")                          FeatureSource<SimpleFeatureType, SimpleFeature> fs,
121          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());                          AttributeMetadataMap<? extends AttributeMetadataInterface> amdm, Filter filter) throws Exception {
122          for (int attrIdx : visibleAMD.keySet())  
123            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());                  if (filter == null)
124                            filter = Filter.INCLUDE;
125          // create a query for the visible attributes  
126          String[] properties = visibleAttrNames.toArray(new String[0]);                  // this.featureSource = fs;
127                            this.filter = filter;
128          LOGGER.debug("Query contains the following attributes: " + visibleAttrNames);                  this.amdMap = amdm;
129                            this.amdMapVisibleOnly = amdMap.sortedValuesVisibleOnly();
130          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);  
131        }                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
132        fc = fs.getFeatures(query);                  if (fs != null) {
133    
134  // FAILS:!!!, even with  query = new DefaultQuery(fs.getSchema().getTypeName(), filter);                          bounds = fs.getBounds();
135                          // java.lang.UnsupportedOperationException: Unknown feature  
136                          // attribute: PQM_MOD                          final SimpleFeatureType schema = fs.getSchema();
137                          // at                          Query query = new DefaultQuery(schema.getTypeName(), filter);
138                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)                          if (amdm != null) {
139                          // bounds = fc.getBounds();                                  LinkedHashSet<String> visibleAttrNames = new LinkedHashSet<String>();
140                          // SK, 17.4.2009  
141                          //                                        // Add the column with the geometry (usually "the_geom") always
142                          // System.out.println("Filter = "+filter);                                  visibleAttrNames.add(schema.getGeometryDescriptor()
143                          // System.out.println("Size of FC = "+fc.size());                                                  .getLocalName());
144                          // System.out.println("anz att= "+fc.getNumberOfAttributes());  
145      }                                  // Add other visible attributes as ordered by weights
146      setFeatureCollection(fc);                                  for (AttributeMetadataInterface a : amdMapVisibleOnly) {
147    }                                          visibleAttrNames.add(a.getLocalName());
148                                    }
149    /**  
150     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                                  // Tested with 2.6.x trunk from 2009-11-26 and it now works. So
151     * and sets this as the new data source for the table.                                  // we only request the properties we need!
152     * @param fs     the feature source                                  // /**
153     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                  // * I got NPEs when properties contained only [the_geom]
154     *               and translation                                  // ?!??!!??
155     */                                  // */
156    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                                  // if (properties.length > 1) {
157      this.map = map;                                  query = new DefaultQuery(schema.getTypeName(), filter,
158      try {                                                  visibleAttrNames.toArray(new String[] {}));
159        if (map == null)                                  // } else {
160          setFeatureSource(null, null, null);                                  // query = new DefaultQuery(schema.getTypeName(), filter);
161        else {                                  // }
162          FeatureCollection fc = map.getGeoObject();                          }
163          String fcName = fc.getFeatureType().getTypeName();                          fc = fs.getFeatures(query);
164          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                  }
165          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                  setFeatureCollection(fc);
166        }          }
167      } catch (Exception err) {  
168        throw new RuntimeException(err);          /**
169      }           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
170    }           * and sets this as the new data source for the table.
171             *
172    /**           * @param fs
173     * Sets the {@code StyledFeatureCollection} as new data source for the table.           *            the feature source
174     * @param fs     the feature source           * @param amd
175     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
176     *               and translation           *            and translation
177     */           */
178    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
179      this.map = map;                  try {
180      try {                          if (styledFeatures == null)
181        if (map == null)                                  setFeatureSource(null, null, null);
182          setFeatureSource(null, null, null);                          else {
183        else                                  setFeatureSource(styledFeatures.getFeatureSource(),
184          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                                                  styledFeatures.getAttributeMetaDataMap(),
185      } catch (Exception err) {                                                  styledFeatures.getFilter());
186        throw new RuntimeException(err);                          }
187      }                  } catch (Exception err) {
188    }                          throw new RuntimeException(err);
189                      }
190    /**          }
191     * Resets the filter for the table.  
192     * @param filter a filter          /**
193     */           * After calling {@code super.reorganize(.)} this method replaced the column
194    public void setFilter(Filter filter) {           * descriptions with the titles of the {@code AttributeMetaData}.
195      try{           *
196        setFeatureSource(this.featureSource, this.origAMD, filter);           * @param fireTableStructureChanged
197      } catch (Exception err) {           *            indicates whether a table event is initiated after reorganize
198          LOGGER.error("Setting the filter of the table model", err);           */
199        throw new RuntimeException(err);          @Override
200      }          protected void reorganize(boolean fireTableStructureChanged) {
201    }  
202                      featureArray = FeatureUtil.featuresToArray(featureTable);
203    /**                  if (featureArray == null || featureArray.length == 0) {
204     * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the Features                          colNames = new String[0];
205     */                          colTooltips = new String[0]; // Only set and used in
206    public Filter getFilter() {                          // StyledFeatureCollectionTableModel
207            return this.filter;                          colClass = new Class[0];
208    }                  } else {
209                            // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
210    /**                          SimpleFeatureType schema = featureArray[0].getFeatureType();
211     * After calling {@code super.reorganize(.)} this method replaced the                          // Pruefen, welche Attribute angezeigt werden
212     * column descriptions with the titles of the {@code AttributeMetaData}.                          attrTypes.clear();
213     * @param fireTableStructureChanged indicates whether a table event is                          for (AttributeMetadataInterface amd : amdMapVisibleOnly) {
214     *        initiated after reorganize                  Name name = amd.getName();
215     */                  AttributeDescriptor type = schema.getDescriptor(name);
216    @Override                  // if type can not be determined by complete name,
217    protected void reorganize(boolean fireTableStructureChanged) {                  // try only the local name
218      super.reorganize(false);                  if ( type == null )
219      // translate the column names                    type = schema.getDescriptor(name.getLocalPart());
220      if (visibleAMD != null) {                                  if (attrFilter == null || attrFilter.accept(type))
221        Iterator<Integer> keys = visibleAMD.keySet().iterator();                                          attrTypes.add(type);
222        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                          }
223          Translation title = visibleAMD.get(keys.next()).getTitle();                          // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
224          if (!I8NUtil.isEmpty(title)) {                          colNames = new String[attrTypes.size()];
225  //          System.out.println("set colname " + i + " to " + title.toString());                          colTooltips = new String[attrTypes.size()]; // Only set and used in
226            colNames[i] = title.toString();                          // StyledFeatureCollectionTableModel
227          }                          colClass = new Class[attrTypes.size()];
228        }                          attrIdxForCol = new int[attrTypes.size()];
229      }                          for (int i = 0; i < colNames.length; i++) {
230      if ( fireTableStructureChanged )                  Name name = amdMapVisibleOnly.get(i).getName();
231        fireTableStructureChanged();                  AttributeDescriptor descriptor = schema.getDescriptor(name);
232    }                  // if type can not be determined by complete name,
233                    // try only the local name
234    /**                  if ( descriptor == null )
235           * @returns Cached bounds for the whole dataset (without applying the                    descriptor = schema.getDescriptor(name.getLocalPart());
236           *          filter) or <code>null</code>  
237           */                                  // Not so nice in 26: find the index of an attribute...
238          public Envelope getBounds() {                                  int idx = schema.getAttributeDescriptors().indexOf(descriptor);
239                  return bounds;                                  attrIdxForCol[i] = idx;
240          }  
241  }                                  String attName = schema.getAttributeDescriptors().get(idx)
242                                                    .getLocalName();
243                                    colNames[i] = amdMap.get(attName).getTitle().toString();
244                                    AttributeMetadataInterface amd = amdMap.get(attName);
245                                    colTooltips[i] = "<html>" + amd.getDesc().toString() + "<br>"
246                                                    + amd.getName() + "</html>";
247                                    colClass[i] = schema.getAttributeDescriptors().get(idx)
248                                                    .getType().getBinding();
249                            }
250                    }
251    
252                    // store feature indexes in HashMap to optimize findFeature(.)
253                    featureIdx = new HashMap<String, Integer>();
254                    for (int i = 0; i < featureArray.length; i++)
255                            if (featureArray[i] != null)
256                                    featureIdx.put(featureArray[i].getID(), i);
257                    //
258                    // // translate the column names
259                    // if (amdMap != null) {
260                    // for (int i = 0; i < colNames.length; i++) {
261                    // colTooltips[i] = amdMap.get(colNames[i]).getDesc().toString()
262                    // + "<br>" + colNames[i];
263                    // colNames[i] = amdMap.get(colNames[i]).getTitle().toString();
264                    //
265                    // }
266                    // }
267                    if (fireTableStructureChanged)
268                            fireTableStructureChanged();
269    
270            }
271    
272            /**
273             * @return Cached bounds for the whole dataset (without applying the filter)
274             *         or <code>null</code>
275             */
276            public Envelope getBounds() {
277                    return bounds;
278            }
279    }

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