/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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revision 59 by mojays, Fri Apr 17 17:26:58 2009 UTC revision 788 by alfonx, Tue Apr 6 12:18:52 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. Krüger - 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.List;
34   * <ul>  import java.util.Vector;
35   *   <li>column names are translated according to {@link AttributeMetaData#getTitle()}</li>  
36   *   <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  import org.apache.log4j.Logger;
37   * </ul>  import org.geotools.data.DefaultQuery;
38   * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)  import org.geotools.data.FeatureSource;
39   */  import org.geotools.data.Query;
40  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {  import org.geotools.feature.FeatureCollection;
41    /** Holds the data source as styled map. */  import org.opengis.feature.simple.SimpleFeature;
42    protected StyledMapInterface map = null;  import org.opengis.feature.simple.SimpleFeatureType;
43    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  import org.opengis.feature.type.AttributeDescriptor;
44    protected Map<Integer, AttributeMetaData> visibleAMD = null;  import org.opengis.filter.Filter;
45    /** Holds the data source for the table as {@code FeatureSource}. */  
46    protected FeatureSource featureSource = null;  import schmitzm.geotools.feature.FeatureUtil;
47    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */  import schmitzm.geotools.gui.FeatureCollectionTableModel;
48    protected Map<Integer, AttributeMetaData> origAMD = null;  import skrueger.AttributeMetadataImpl;
49    /** Holds the current filter on the table */  import skrueger.AttributeMetadataInterface;
50    protected Filter filter = null;  
51    import com.vividsolutions.jts.geom.Envelope;
52    /**  
53     * Creates a new table model for a styled map.  /**
54     * @param map the styled map   * This class extends the the {@link FeatureCollectionTableModel} with the
55     */   * functionalities of the {@link AttributeMetadataImpl}.
56    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * <ul>
57      this(map,Filter.INCLUDE);   * <li>column names are translated according to
58    }   * {@link AttributeMetadataImpl#getTitle()}</li>
59     * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
60    /**   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
61     * Creates a new table model for a styled map.   * applied.</li>
62     * @param map the styled map   * </ul>
63     * @param filter filter applied to the table   *
64     */   * @author Stefan A. Krüger
65    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {   */
66      super();  public class StyledFeatureCollectionTableModel extends
67      setFeatureCollection(map, filter);                  FeatureCollectionTableModel {
68    }          final static private Logger LOGGER = Logger
69                            .getLogger(StyledFeatureCollectionTableModel.class);
70    /**          /** Contains the complete {@link AttributeMetadataImpl}-Map of the styled layer. */
71     * Creates a new table model for a styled map.          protected AttributeMetadataMap<? extends AttributeMetadataInterface> amdMap = null;
72     * @param map the styled map          /** Holds the current filter on the table */
73     */          protected Filter filter = null;
74    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {          /** Holds the Bounds for all features. Only set once during the constructor **/
75      this(map,Filter.INCLUDE);          protected Envelope bounds;
76    }          /**
77             * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
78    /**           * {@link #reorganize} befuellt.
79     * Creates a new table model for a styled map.           */
80     * @param map the styled map          protected String[] colTooltips = null;
81     * @param filter filter applied to the table  
82     */          /** A cache for the #sortedValuesVisibleOnly() **/
83    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {          protected List<? extends AttributeMetadataInterface> amdMapVisibleOnly = null;
84      super();  
85      setFeatureCollection(map, filter);          /**
86    }           * Creates a new table model for a styled layer.
87             *
88    /**           * @param styledFeatures
89     * Sets a new data source for the table.           *            the styled layer
90     * @param fs     the feature source           * @param filter
91     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           *            filter applied to the table
92     *               and translation           */
93     */          public StyledFeatureCollectionTableModel(
94    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {                          StyledFeaturesInterface<?> styledFeatures) {
95      if ( filter == null )                  setStyledFeatures(styledFeatures);
96        filter = Filter.INCLUDE;          }
97    
98      this.featureSource = fs;          /**
99      this.filter        = filter;           * This overwritten method filters the values for NODATA-values defined in
100      this.origAMD       = amd;           * the {@link AttributeMetadataImpl}
101      this.visibleAMD    = null;           */
102                @Override
103      FeatureCollection fc = null;          public Object getValueAt(int row, int col) {
104      if (fs != null) {                  Object rawValue = super.getValueAt(row, col);
105        Query query = new DefaultQuery();                  return amdMap.sortedValuesVisibleOnly().get(col).fiterNodata(rawValue);
106        if (amd != null) {          }
107          // determine the names of the visible Attributes          
108          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);          /**
109          Vector<String> visibleAttrNames = new Vector<String>();           * Sets a new data source for the table.
110          // Add the column with the geometry (usually "the_geom")           *
111          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());           * @param fs
112          for (int attrIdx : visibleAMD.keySet())           *            the feature source
113            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());           * @param amdm
114             *            {@link AttributeMetadataImpl}-Map to define the visible attributes
115          // create a query for the visible attributes           *            and translation
116          String[] properties = visibleAttrNames.toArray(new String[0]);           */
117          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);          protected void setFeatureSource(
118        }                          FeatureSource<SimpleFeatureType, SimpleFeature> fs,
119        fc = fs.getFeatures(query);                          AttributeMetadataMap<? extends AttributeMetadataInterface> amdm, Filter filter) throws Exception {
120      }  
121      setFeatureCollection(fc);                  if (filter == null)
122    }                          filter = Filter.INCLUDE;
123    
124    /**                  // this.featureSource = fs;
125     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                  this.filter = filter;
126     * and sets this as the new data source for the table.                  this.amdMap = amdm;
127     * @param fs     the feature source                  this.amdMapVisibleOnly = amdMap.sortedValuesVisibleOnly();
128     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes  
129     *               and translation                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
130     */                  if (fs != null) {
131    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {  
132      this.map = map;                          bounds = fs.getBounds();
133      try {  
134        if (map == null)                          final SimpleFeatureType schema = fs.getSchema();
135          setFeatureSource(null, null, null);                          Query query = new DefaultQuery(schema.getTypeName(), filter);
136        else {                          if (amdm != null) {
137          FeatureCollection fc = map.getGeoObject();                                  Vector<String> visibleAttrNames = new Vector<String>();
138          String fcName = fc.getFeatureType().getTypeName();  
139          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                                  // Add the column with the geometry (usually "the_geom") always
140          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                                  visibleAttrNames.add(schema.getGeometryDescriptor()
141        }                                                  .getLocalName());
142      } catch (Exception err) {  
143        throw new RuntimeException(err);                                  // Add other visible attributes as ordered by weights
144      }                                  for (AttributeMetadataInterface a : amdMapVisibleOnly) {
145    }                                          visibleAttrNames.add(a.getLocalName());
146                                    }
147    /**  
148     * Sets the {@code StyledFeatureCollection} as new data source for the table.                                  // Tested with 2.6.x trunk from 2009-11-26 and it now works. So
149     * @param fs     the feature source                                  // we only request the properties we need!
150     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                  // /**
151     *               and translation                                  // * I got NPEs when properties contained only [the_geom]
152     */                                  // ?!??!!??
153    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {                                  // */
154      this.map = map;                                  // if (properties.length > 1) {
155      try {                                  query = new DefaultQuery(schema.getTypeName(), filter,
156        if (map == null)                                                  visibleAttrNames.toArray(new String[] {}));
157          setFeatureSource(null, null, null);                                  // } else {
158        else                                  // query = new DefaultQuery(schema.getTypeName(), filter);
159          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                                  // }
160      } catch (Exception err) {                          }
161        throw new RuntimeException(err);                          fc = fs.getFeatures(query);
162      }                  }
163    }                  setFeatureCollection(fc);
164              }
165    /**  
166     * Resets the filter for the table.          /**
167     * @param filter a filter           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
168     */           * and sets this as the new data source for the table.
169    public void setFilter(Filter filter) {           *
170      try{           * @param fs
171        setFeatureSource(this.featureSource, this.origAMD, filter);           *            the feature source
172      } catch (Exception err) {           * @param amd
173        throw new RuntimeException(err);           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
174      }           *            and translation
175    }           */
176            public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
177    /**                  try {
178     * After calling {@code super.reorganize(.)} this method replaced the                          if (styledFeatures == null)
179     * column descriptions with the titles of the {@code AttributeMetaData}.                                  setFeatureSource(null, null, null);
180     * @param fireTableStructureChanged indicates whether a table event is                          else {
181     *        initiated after reorganize                                  setFeatureSource(styledFeatures.getFeatureSource(),
182     */                                                  styledFeatures.getAttributeMetaDataMap(),
183    @Override                                                  styledFeatures.getFilter());
184    protected void reorganize(boolean fireTableStructureChanged) {                          }
185      super.reorganize(false);                  } catch (Exception err) {
186      // translate the column names                          throw new RuntimeException(err);
187      if (visibleAMD != null) {                  }
188        Iterator<Integer> keys = visibleAMD.keySet().iterator();          }
189        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {  
190          Translation title = visibleAMD.get(keys.next()).getTitle();          /**
191          if (!I8NUtil.isEmpty(title)) {           * After calling {@code super.reorganize(.)} this method replaced the column
192            System.out.println("set colname " + i + " to " + title.toString());           * descriptions with the titles of the {@code AttributeMetaData}.
193            colNames[i] = title.toString();           *
194          }           * @param fireTableStructureChanged
195        }           *            indicates whether a table event is initiated after reorganize
196      }           */
197      if ( fireTableStructureChanged )          @Override
198        fireTableStructureChanged();          protected void reorganize(boolean fireTableStructureChanged) {
199    }  
200  }                  featureArray = FeatureUtil.featuresToArray(featureTable);
201                    if (featureArray == null || featureArray.length == 0) {
202                            colNames = new String[0];
203                            colTooltips = new String[0]; // Only set and used in
204                            // StyledFeatureCollectionTableModel
205                            colClass = new Class[0];
206                    } else {
207                            // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
208                            SimpleFeatureType schema = featureArray[0].getFeatureType();
209                            // Pruefen, welche Attribute angezeigt werden
210                            attrTypes.clear();
211                            for (AttributeMetadataInterface amd : amdMapVisibleOnly) {
212                                    AttributeDescriptor type = schema.getDescriptor(amd.getName());
213                                    if (attrFilter == null || attrFilter.accept(type))
214                                            attrTypes.add(type);
215                            }
216                            // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
217                            colNames = new String[attrTypes.size()];
218                            colTooltips = new String[attrTypes.size()]; // Only set and used in
219                            // StyledFeatureCollectionTableModel
220                            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                                                    .getDescriptor(amdMapVisibleOnly.get(i).getName());
225    
226                                    // Not so nice in 26: find the index of an attribute...
227                                    int idx = schema.getAttributeDescriptors().indexOf(descriptor);
228                                    attrIdxForCol[i] = idx;
229    
230                                    String attName = schema.getAttributeDescriptors().get(idx)
231                                                    .getLocalName();
232                                    colNames[i] = amdMap.get(attName).getTitle().toString();
233                                    AttributeMetadataInterface 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    }

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