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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 62 by alfonx, Fri Apr 17 18:56:17 2009 UTC branches/2.2.x/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 1055 by alfonx, Thu Sep 23 17:38:23 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  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 com.vividsolutions.jts.geom.Envelope;   *
26     * Contributors:
27  import schmitzm.geotools.gui.FeatureCollectionTableModel;   *     Martin O. J. Schmitz - initial API and implementation
28  import skrueger.AttributeMetaData;   *     Stefan A. Tzeggai - additional utility classes
29  import skrueger.i8n.I8NUtil;   ******************************************************************************/
30  import skrueger.i8n.Translation;  package skrueger.geotools;
31    
32  /**  import java.util.HashMap;
33   * This class extends the the {@link FeatureCollectionTableModel} with the  import java.util.LinkedHashSet;
34   * functionalities of the {@link AttributeMetaData} of  import java.util.List;
35   * {@linkplain StyledMapInterface styled objects}.  
36   * <ul>  import org.apache.log4j.Logger;
37   *   <li>column names are translated according to {@link AttributeMetaData#getTitle()}</li>  import org.geotools.data.DefaultQuery;
38   *   <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  import org.geotools.data.FeatureSource;
39   * </ul>  import org.geotools.data.Query;
40   * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)  import org.geotools.feature.FeatureCollection;
41   */  import org.opengis.feature.simple.SimpleFeature;
42  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {  import org.opengis.feature.simple.SimpleFeatureType;
43    /** Holds the data source as styled map. */  import org.opengis.feature.type.AttributeDescriptor;
44    protected StyledMapInterface map = null;  import org.opengis.feature.type.Name;
45    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  import org.opengis.filter.Filter;
46    protected Map<Integer, AttributeMetaData> visibleAMD = null;  
47    /** Holds the data source for the table as {@code FeatureSource}. */  import schmitzm.geotools.feature.FeatureUtil;
48    protected FeatureSource featureSource = null;  import schmitzm.geotools.gui.FeatureCollectionTableModel;
49    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */  import skrueger.AttributeMetadataImpl;
50    protected Map<Integer, AttributeMetaData> origAMD = null;  import skrueger.AttributeMetadataInterface;
51    /** Holds the current filter on the table */  
52    protected Filter filter = null;  import com.vividsolutions.jts.geom.Envelope;
53    /** Holds the Bounds for all features. Only set once during the constructor **/  
54    protected Envelope bounds;  /**
55     * This class extends the the {@link FeatureCollectionTableModel} with the
56    /**   * functionalities of the {@link AttributeMetadataImpl}.
57     * Creates a new table model for a styled map.   * <ul>
58     * @param map the styled map   * <li>column names are translated according to
59     */   * {@link AttributeMetadataImpl#getTitle()}</li>
60    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
61      this(map,Filter.INCLUDE);   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
62    }   * applied.</li>
63     * </ul>
64    /**   *
65     * Creates a new table model for a styled map.   * @author Stefan A. Tzeggai
66     * @param map the styled map   */
67     * @param filter filter applied to the table  public class StyledFeatureCollectionTableModel extends
68     */                  FeatureCollectionTableModel {
69    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {          final static private Logger LOGGER = Logger
70      super();                          .getLogger(StyledFeatureCollectionTableModel.class);
71      setFeatureCollection(map, filter);          /** Contains the complete {@link AttributeMetadataImpl}-Map of the styled layer. */
72    }          protected AttributeMetadataMap<? extends AttributeMetadataInterface> amdMap = null;
73            /** Holds the current filter on the table */
74    /**          protected Filter filter = null;
75     * Creates a new table model for a styled map.          /** Holds the Bounds for all features. Only set once during the constructor **/
76     * @param map the styled map          protected Envelope bounds;
77     */          /**
78    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {           * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
79      this(map,Filter.INCLUDE);           * {@link #reorganize} befuellt.
80    }           */
81            protected String[] colTooltips = null;
82    /**  
83     * Creates a new table model for a styled map.          /** A cache for the #sortedValuesVisibleOnly() **/
84     * @param map the styled map          protected List<? extends AttributeMetadataInterface> amdMapVisibleOnly = null;
85     * @param filter filter applied to the table  
86     */          /**
87    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {           * Creates a new table model for a styled layer.
88      super();           *
89      setFeatureCollection(map, filter);           * @param styledFeatures
90    }           *            the styled layer
91             * @param filter
92    /**           *            filter applied to the table
93     * Sets a new data source for the table.           */
94     * @param fs     the feature source          public StyledFeatureCollectionTableModel(
95     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                          StyledFeaturesInterface<?> styledFeatures) {
96     *               and translation                  setStyledFeatures(styledFeatures);
97     */          }
98    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {  
99      if ( filter == null )          /**
100        filter = Filter.INCLUDE;           * This overwritten method filters the values for NODATA-values defined in
101                 * the {@link AttributeMetadataImpl}
102      this.featureSource = fs;           */
103      this.filter        = filter;          @Override
104      this.origAMD       = amd;          public Object getValueAt(int row, int col) {
105      this.visibleAMD    = null;                  Object rawValue = super.getValueAt(row, col);
106                        return amdMap.sortedValuesVisibleOnly().get(col).fiterNodata(rawValue);
107      FeatureCollection fc = null;          }
108      if (fs != null) {          
109                    /**
110         bounds = fs.getBounds();           * Sets a new data source for the table.
111                     *
112        Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter);           * @param fs
113        if (amd != null) {           *            the feature source
114          // determine the names of the visible Attributes           * @param amdm
115          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
116          Vector<String> visibleAttrNames = new Vector<String>();           *            and translation
117          // Add the column with the geometry (usually "the_geom")           */
118          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());          protected void setFeatureSource(
119          for (int attrIdx : visibleAMD.keySet())                          FeatureSource<SimpleFeatureType, SimpleFeature> fs,
120            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());                          AttributeMetadataMap<? extends AttributeMetadataInterface> amdm, Filter filter) throws Exception {
121    
122          // create a query for the visible attributes                  if (filter == null)
123          String[] properties = visibleAttrNames.toArray(new String[0]);                          filter = Filter.INCLUDE;
124            
125          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);                  // this.featureSource = fs;
126        }                  this.filter = filter;
127        fc = fs.getFeatures(query);                  this.amdMap = amdm;
128                    this.amdMapVisibleOnly = amdMap.sortedValuesVisibleOnly();
129  // FAILS:!!!, even with  query = new DefaultQuery(fs.getSchema().getTypeName(), filter);                  
130                          // java.lang.UnsupportedOperationException: Unknown feature                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
131                          // attribute: PQM_MOD                  if (fs != null) {
132                          // at  
133                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)                          bounds = fs.getBounds();
134                          // bounds = fc.getBounds();  
135                          // SK, 17.4.2009                          final SimpleFeatureType schema = fs.getSchema();
136                          //                                Query query = new DefaultQuery(schema.getTypeName(), filter);
137                          // System.out.println("Filter = "+filter);                          if (amdm != null) {
138                          // System.out.println("Size of FC = "+fc.size());                LinkedHashSet<String> visibleAttrNames = new LinkedHashSet<String>();
139                          // System.out.println("anz att= "+fc.getNumberOfAttributes());  
140      }                                  // Add the column with the geometry (usually "the_geom") always
141      setFeatureCollection(fc);                                  String geomColumnLocalName = schema.getGeometryDescriptor()
142    }                                                  .getLocalName();
143                                    visibleAttrNames.add(geomColumnLocalName);
144    /**  
145     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                                  // Add other visible attributes as ordered by weights
146     * and sets this as the new data source for the table.                                  for (AttributeMetadataInterface a : amdMapVisibleOnly) {
147     * @param fs     the feature source                                          visibleAttrNames.add(a.getLocalName());
148     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                  }
149     *               and translation  
150     */                                  // Tested with 2.6.x trunk from 2009-11-26 and it now works. So
151    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                                  // we only request the properties we need!
152      this.map = map;                                  // /**
153      try {                                  // * I got NPEs when properties contained only [the_geom]
154        if (map == null)                                  // ?!??!!??
155          setFeatureSource(null, null, null);                                  // */
156        else {                                  // if (properties.length > 1) {
157          FeatureCollection fc = map.getGeoObject();                                  query = new DefaultQuery(schema.getTypeName(), filter,
158          String fcName = fc.getFeatureType().getTypeName();                                                  visibleAttrNames.toArray(new String[] {}));
159          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                                  // } else {
160          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                                  // query = new DefaultQuery(schema.getTypeName(), filter);
161        }                                  // }
162      } catch (Exception err) {                                  
163        throw new RuntimeException(err);                                  System.out.println(query.getPropertyNames());
164      }                          }
165    }                          fc = fs.getFeatures(query);
166                    }
167    /**                  setFeatureCollection(fc);
168     * Sets the {@code StyledFeatureCollection} as new data source for the table.          }
169     * @param fs     the feature source  
170     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes          /**
171     *               and translation           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
172     */           * and sets this as the new data source for the table.
173    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {           *
174      this.map = map;           * @param fs
175      try {           *            the feature source
176        if (map == null)           * @param amd
177          setFeatureSource(null, null, null);           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
178        else           *            and translation
179          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);           */
180      } catch (Exception err) {          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
181        throw new RuntimeException(err);                  try {
182      }                          if (styledFeatures == null)
183    }                                  setFeatureSource(null, null, null);
184                              else {
185    /**                                  setFeatureSource(styledFeatures.getFeatureSource(),
186     * Resets the filter for the table.                                                  styledFeatures.getAttributeMetaDataMap(),
187     * @param filter a filter                                                  styledFeatures.getFilter());
188     */                          }
189    public void setFilter(Filter filter) {                  } catch (Exception err) {
190      try{                          throw new RuntimeException(err);
191        setFeatureSource(this.featureSource, this.origAMD, filter);                  }
192      } catch (Exception err) {          }
193        throw new RuntimeException(err);  
194      }          /**
195    }           * After calling {@code super.reorganize(.)} this method replaced the column
196               * descriptions with the titles of the {@code AttributeMetaData}.
197    /**           *
198     * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the Features           * @param fireTableStructureChanged
199     */           *            indicates whether a table event is initiated after reorganize
200    public Filter getFilter() {           */
201            return this.filter;          @Override
202    }          protected void reorganize(boolean fireTableStructureChanged) {
203    
204    /**                  featureArray = FeatureUtil.featuresToArray(featureTable);
205     * After calling {@code super.reorganize(.)} this method replaced the                  if (featureArray == null || featureArray.length == 0) {
206     * column descriptions with the titles of the {@code AttributeMetaData}.                          colNames = new String[0];
207     * @param fireTableStructureChanged indicates whether a table event is                          colTooltips = new String[0]; // Only set and used in
208     *        initiated after reorganize                          // StyledFeatureCollectionTableModel
209     */                          colClass = new Class[0];
210    @Override                  } else {
211    protected void reorganize(boolean fireTableStructureChanged) {                          // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
212      super.reorganize(false);                          SimpleFeatureType schema = featureArray[0].getFeatureType();
213      // translate the column names                          // Pruefen, welche Attribute angezeigt werden
214      if (visibleAMD != null) {                          attrTypes.clear();
215        Iterator<Integer> keys = visibleAMD.keySet().iterator();                          for (AttributeMetadataInterface amd : amdMapVisibleOnly) {
216        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                                  Name name = amd.getName();
217          Translation title = visibleAMD.get(keys.next()).getTitle();                  AttributeDescriptor type = schema.getDescriptor(name);
218          if (!I8NUtil.isEmpty(title)) {                  // if type can not be determined by complete name,
219  //          System.out.println("set colname " + i + " to " + title.toString());                  // try only the local name
220            colNames[i] = title.toString();                  if ( type == null )
221          }                    type = schema.getDescriptor(name.getLocalPart());
222        }                                  if (attrFilter == null || attrFilter.accept(type))
223      }                                          attrTypes.add(type);
224      if ( fireTableStructureChanged )                          }
225        fireTableStructureChanged();                          // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
226    }                          colNames = new String[attrTypes.size()];
227                            colTooltips = new String[attrTypes.size()]; // Only set and used in
228    /**                          // StyledFeatureCollectionTableModel
229           * @returns Cached bounds for the whole dataset (without applying the                          colClass = new Class[attrTypes.size()];
230           *          filter) or <code>null</code>                          attrIdxForCol = new int[attrTypes.size()];
231           */                          for (int i = 0; i < colNames.length; i++) {
232          public Envelope getBounds() {                                  Name name = amdMapVisibleOnly.get(i).getName();
233                  return bounds;                  AttributeDescriptor descriptor = schema.getDescriptor(name);
234          }                  // if type can not be determined by complete name,
235  }                  // try only the local name
236                    if ( descriptor == null )
237                      descriptor = schema.getDescriptor(name.getLocalPart());
238    
239                                    // Not so nice in 26: find the index of an attribute...
240                                    int idx = schema.getAttributeDescriptors().indexOf(descriptor);
241                                    attrIdxForCol[i] = idx;
242    
243                                    String attName = schema.getAttributeDescriptors().get(idx)
244                                                    .getLocalName();
245                                    colNames[i] = amdMap.get(attName).getTitle().toString();
246                                    AttributeMetadataInterface amd = amdMap.get(attName);
247                                    colTooltips[i] = "<html>" + amd.getDesc().toString() + "<br>"
248                                                    + amd.getName() + "</html>";
249                                    colClass[i] = schema.getAttributeDescriptors().get(idx)
250                                                    .getType().getBinding();
251                            }
252                    }
253    
254                    // store feature indexes in HashMap to optimize findFeature(.)
255                    featureIdx = new HashMap<String, Integer>();
256                    for (int i = 0; i < featureArray.length; i++)
257                            if (featureArray[i] != null)
258                                    featureIdx.put(featureArray[i].getID(), i);
259                    //
260                    // // translate the column names
261                    // if (amdMap != null) {
262                    // for (int i = 0; i < colNames.length; i++) {
263                    // colTooltips[i] = amdMap.get(colNames[i]).getDesc().toString()
264                    // + "<br>" + colNames[i];
265                    // colNames[i] = amdMap.get(colNames[i]).getTitle().toString();
266                    //
267                    // }
268                    // }
269                    if (fireTableStructureChanged)
270                            fireTableStructureChanged();
271    
272            }
273    
274            /**
275             * @return Cached bounds for the whole dataset (without applying the filter)
276             *         or <code>null</code>
277             */
278            public Envelope getBounds() {
279                    return bounds;
280            }
281    }

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