/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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revision 62 by alfonx, Fri Apr 17 18:56:17 2009 UTC revision 769 by alfonx, Sun Mar 21 11:02:34 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. Krüger - 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.List;
34   * functionalities of the {@link AttributeMetaData} of  import java.util.Vector;
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.filter.Filter;
45    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  
46    protected Map<Integer, AttributeMetaData> visibleAMD = null;  import schmitzm.geotools.feature.FeatureUtil;
47    /** Holds the data source for the table as {@code FeatureSource}. */  import schmitzm.geotools.gui.FeatureCollectionTableModel;
48    protected FeatureSource featureSource = null;  import skrueger.AttributeMetadata;
49    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */  import skrueger.AttributeMetadataImpl;
50    protected Map<Integer, AttributeMetaData> origAMD = null;  
51    /** Holds the current filter on the table */  import com.vividsolutions.jts.geom.Envelope;
52    protected Filter filter = null;  
53    /** Holds the Bounds for all features. Only set once during the constructor **/  /**
54    protected Envelope bounds;   * This class extends the the {@link FeatureCollectionTableModel} with the
55     * functionalities of the {@link AttributeMetadataImpl}.
56    /**   * <ul>
57     * Creates a new table model for a styled map.   * <li>column names are translated according to
58     * @param map the styled map   * {@link AttributeMetadataImpl#getTitle()}</li>
59     */   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
60    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
61      this(map,Filter.INCLUDE);   * applied.</li>
62    }   * </ul>
63     *
64    /**   * @author Stefan A. Krüger
65     * Creates a new table model for a styled map.   */
66     * @param map the styled map  public class StyledFeatureCollectionTableModel extends
67     * @param filter filter applied to the table                  FeatureCollectionTableModel {
68     */          final static private Logger LOGGER = Logger
69    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {                          .getLogger(StyledFeatureCollectionTableModel.class);
70      super();          /** Contains the complete {@link AttributeMetadataImpl}-Map of the styled layer. */
71      setFeatureCollection(map, filter);          protected AttributeMetadataMap<? extends AttributeMetadata> amdMap = null;
72    }          /** Holds the current filter on the table */
73            protected Filter filter = null;
74    /**          /** Holds the Bounds for all features. Only set once during the constructor **/
75     * Creates a new table model for a styled map.          protected Envelope bounds;
76     * @param map the styled map          /**
77     */           * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
78    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {           * {@link #reorganize} befuellt.
79      this(map,Filter.INCLUDE);           */
80    }          protected String[] colTooltips = null;
81    
82    /**          /** A cache for the #sortedValuesVisibleOnly() **/
83     * Creates a new table model for a styled map.          protected List<? extends AttributeMetadata> amdMapVisibleOnly = null;
84     * @param map the styled map  
85     * @param filter filter applied to the table          /**
86     */           * Creates a new table model for a styled layer.
87    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {           *
88      super();           * @param styledFeatures
89      setFeatureCollection(map, filter);           *            the styled layer
90    }           * @param filter
91             *            filter applied to the table
92    /**           */
93     * Sets a new data source for the table.          public StyledFeatureCollectionTableModel(
94     * @param fs     the feature source                          StyledFeaturesInterface<?> styledFeatures) {
95     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                  setStyledFeatures(styledFeatures);
96     *               and translation          }
97     */  
98    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {          /**
99      if ( filter == null )           * This overwritten method filters the values for NODATA-values defined in
100        filter = Filter.INCLUDE;           * the {@link AttributeMetadataImpl}
101                 */
102      this.featureSource = fs;          @Override
103      this.filter        = filter;          public Object getValueAt(int row, int col) {
104      this.origAMD       = amd;                  Object rawValue = super.getValueAt(row, col);
105      this.visibleAMD    = null;                  return amdMap.sortedValuesVisibleOnly().get(col).fiterNodata(rawValue);
106                }
107      FeatureCollection fc = null;          
108      if (fs != null) {          /**
109                     * Sets a new data source for the table.
110         bounds = fs.getBounds();           *
111                     * @param fs
112        Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter);           *            the feature source
113        if (amd != null) {           * @param amdm
114          // determine the names of the visible Attributes           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
115          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);           *            and translation
116          Vector<String> visibleAttrNames = new Vector<String>();           */
117          // Add the column with the geometry (usually "the_geom")          protected void setFeatureSource(
118          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());                          FeatureSource<SimpleFeatureType, SimpleFeature> fs,
119          for (int attrIdx : visibleAMD.keySet())                          AttributeMetadataMap<? extends AttributeMetadata> amdm, Filter filter) throws Exception {
120            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());  
121                    if (filter == null)
122          // create a query for the visible attributes                          filter = Filter.INCLUDE;
123          String[] properties = visibleAttrNames.toArray(new String[0]);  
124                            // this.featureSource = fs;
125          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);                  this.filter = filter;
126        }                  this.amdMap = amdm;
127        fc = fs.getFeatures(query);                  this.amdMapVisibleOnly = amdMap.sortedValuesVisibleOnly();
128    
129  // FAILS:!!!, even with  query = new DefaultQuery(fs.getSchema().getTypeName(), filter);                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
130                          // java.lang.UnsupportedOperationException: Unknown feature                  if (fs != null) {
131                          // attribute: PQM_MOD  
132                          // at                          bounds = fs.getBounds();
133                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)  
134                          // bounds = fc.getBounds();                          final SimpleFeatureType schema = fs.getSchema();
135                          // SK, 17.4.2009                          Query query = new DefaultQuery(schema.getTypeName(), filter);
136                          //                                if (amdm != null) {
137                          // System.out.println("Filter = "+filter);                                  Vector<String> visibleAttrNames = new Vector<String>();
138                          // System.out.println("Size of FC = "+fc.size());  
139                          // System.out.println("anz att= "+fc.getNumberOfAttributes());                                  // Add the column with the geometry (usually "the_geom") always
140      }                                  visibleAttrNames.add(schema.getGeometryDescriptor()
141      setFeatureCollection(fc);                                                  .getLocalName());
142    }  
143                                    // Add other visible attributes as ordered by weights
144    /**                                  for (AttributeMetadata a : amdMapVisibleOnly) {
145     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                                          visibleAttrNames.add(a.getLocalName());
146     * and sets this as the new data source for the table.                                  }
147     * @param fs     the feature source  
148     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                  // Tested with 2.6.x trunk from 2009-11-26 and it now works. So
149     *               and translation                                  // we only request the properties we need!
150     */                                  // /**
151    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                                  // * I got NPEs when properties contained only [the_geom]
152      this.map = map;                                  // ?!??!!??
153      try {                                  // */
154        if (map == null)                                  // if (properties.length > 1) {
155          setFeatureSource(null, null, null);                                  query = new DefaultQuery(schema.getTypeName(), filter,
156        else {                                                  visibleAttrNames.toArray(new String[] {}));
157          FeatureCollection fc = map.getGeoObject();                                  // } else {
158          String fcName = fc.getFeatureType().getTypeName();                                  // query = new DefaultQuery(schema.getTypeName(), filter);
159          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                                  // }
160          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                          }
161        }                          fc = fs.getFeatures(query);
162      } catch (Exception err) {                  }
163        throw new RuntimeException(err);                  setFeatureCollection(fc);
164      }          }
165    }  
166            /**
167    /**           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
168     * Sets the {@code StyledFeatureCollection} as new data source for the table.           * and sets this as the new data source for the table.
169     * @param fs     the feature source           *
170     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           * @param fs
171     *               and translation           *            the feature source
172     */           * @param amd
173    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
174      this.map = map;           *            and translation
175      try {           */
176        if (map == null)          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
177          setFeatureSource(null, null, null);                  try {
178        else                          if (styledFeatures == null)
179          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                                  setFeatureSource(null, null, null);
180      } catch (Exception err) {                          else {
181        throw new RuntimeException(err);                                  setFeatureSource(styledFeatures.getFeatureSource(),
182      }                                                  styledFeatures.getAttributeMetaDataMap(),
183    }                                                  styledFeatures.getFilter());
184                              }
185    /**                  } catch (Exception err) {
186     * Resets the filter for the table.                          throw new RuntimeException(err);
187     * @param filter a filter                  }
188     */          }
189    public void setFilter(Filter filter) {  
190      try{          /**
191        setFeatureSource(this.featureSource, this.origAMD, filter);           * After calling {@code super.reorganize(.)} this method replaced the column
192      } catch (Exception err) {           * descriptions with the titles of the {@code AttributeMetaData}.
193        throw new RuntimeException(err);           *
194      }           * @param fireTableStructureChanged
195    }           *            indicates whether a table event is initiated after reorganize
196               */
197    /**          @Override
198     * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the Features          protected void reorganize(boolean fireTableStructureChanged) {
199     */  
200    public Filter getFilter() {                  featureArray = FeatureUtil.featuresToArray(featureTable);
201            return this.filter;                  if (featureArray == null || featureArray.length == 0) {
202    }                          colNames = new String[0];
203                            colTooltips = new String[0]; // Only set and used in
204    /**                          // StyledFeatureCollectionTableModel
205     * After calling {@code super.reorganize(.)} this method replaced the                          colClass = new Class[0];
206     * column descriptions with the titles of the {@code AttributeMetaData}.                  } else {
207     * @param fireTableStructureChanged indicates whether a table event is                          // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
208     *        initiated after reorganize                          SimpleFeatureType schema = featureArray[0].getFeatureType();
209     */                          // Pruefen, welche Attribute angezeigt werden
210    @Override                          attrTypes.clear();
211    protected void reorganize(boolean fireTableStructureChanged) {                          for (AttributeMetadata amd : amdMapVisibleOnly) {
212      super.reorganize(false);                                  AttributeDescriptor type = schema.getDescriptor(amd.getName());
213      // translate the column names                                  if (attrFilter == null || attrFilter.accept(type))
214      if (visibleAMD != null) {                                          attrTypes.add(type);
215        Iterator<Integer> keys = visibleAMD.keySet().iterator();                          }
216        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                          // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
217          Translation title = visibleAMD.get(keys.next()).getTitle();                          colNames = new String[attrTypes.size()];
218          if (!I8NUtil.isEmpty(title)) {                          colTooltips = new String[attrTypes.size()]; // Only set and used in
219  //          System.out.println("set colname " + i + " to " + title.toString());                          // StyledFeatureCollectionTableModel
220            colNames[i] = title.toString();                          colClass = new Class[attrTypes.size()];
221          }                          attrIdxForCol = new int[attrTypes.size()];
222        }                          for (int i = 0; i < colNames.length; i++) {
223      }                                  AttributeDescriptor descriptor = schema
224      if ( fireTableStructureChanged )                                                  .getDescriptor(amdMapVisibleOnly.get(i).getName());
225        fireTableStructureChanged();  
226    }                                  // Not so nice in 26: find the index of an attribute...
227                                    int idx = schema.getAttributeDescriptors().indexOf(descriptor);
228    /**                                  attrIdxForCol[i] = idx;
229           * @returns Cached bounds for the whole dataset (without applying the  
230           *          filter) or <code>null</code>                                  String attName = schema.getAttributeDescriptors().get(idx)
231           */                                                  .getLocalName();
232          public Envelope getBounds() {                                  colNames[i] = amdMap.get(attName).getTitle().toString();
233                  return bounds;                                  AttributeMetadata amd = amdMap.get(attName);
234          }                                  colTooltips[i] = "<html>" + amd.getDesc().toString() + "<br>"
235  }                                                  + amd.getName() + "</html>";
236                                    colClass[i] = schema.getAttributeDescriptors().get(idx)
237                                                    .getType().getBinding();
238                            }
239                    }
240    
241                    // store feature indexes in HashMap to optimize findFeature(.)
242                    featureIdx = new HashMap<String, Integer>();
243                    for (int i = 0; i < featureArray.length; i++)
244                            if (featureArray[i] != null)
245                                    featureIdx.put(featureArray[i].getID(), i);
246                    //
247                    // // translate the column names
248                    // if (amdMap != null) {
249                    // for (int i = 0; i < colNames.length; i++) {
250                    // colTooltips[i] = amdMap.get(colNames[i]).getDesc().toString()
251                    // + "<br>" + colNames[i];
252                    // colNames[i] = amdMap.get(colNames[i]).getTitle().toString();
253                    //
254                    // }
255                    // }
256                    if (fireTableStructureChanged)
257                            fireTableStructureChanged();
258    
259            }
260    
261            /**
262             * @return Cached bounds for the whole dataset (without applying the filter)
263             *         or <code>null</code>
264             */
265            public Envelope getBounds() {
266                    return bounds;
267            }
268    }

Legend:
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changed lines
  Added in v.769

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