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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 62 by alfonx, Fri Apr 17 18:56:17 2009 UTC branches/2.3.KECK/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 1103 by alfonx, Thu Oct 14 09:45:14 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);                                  visibleAttrNames.add(schema.getGeometryDescriptor()
142    }                                                  .getLocalName());
143    
144    /**                                  // Add other visible attributes as ordered by weights
145     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                                  for (AttributeMetadataInterface a : amdMapVisibleOnly) {
146     * and sets this as the new data source for the table.                                          visibleAttrNames.add(a.getLocalName());
147     * @param fs     the feature source                                  }
148     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes  
149     *               and translation                                  // Tested with 2.6.x trunk from 2009-11-26 and it now works. So
150     */                                  // we only request the properties we need!
151    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                                  // /**
152      this.map = map;                                  // * I got NPEs when properties contained only [the_geom]
153      try {                                  // ?!??!!??
154        if (map == null)                                  // */
155          setFeatureSource(null, null, null);                                  // if (properties.length > 1) {
156        else {                                  query = new DefaultQuery(schema.getTypeName(), filter,
157          FeatureCollection fc = map.getGeoObject();                                                  visibleAttrNames.toArray(new String[] {}));
158          String fcName = fc.getFeatureType().getTypeName();                                  // } else {
159          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                                  // query = new DefaultQuery(schema.getTypeName(), filter);
160          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                                  // }
161        }                          }
162      } catch (Exception err) {                          fc = fs.getFeatures(query);
163        throw new RuntimeException(err);                  }
164      }                  setFeatureCollection(fc);
165    }          }
166    
167    /**          /**
168     * Sets the {@code StyledFeatureCollection} as new data source for the table.           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
169     * @param fs     the feature source           * and sets this as the new data source for the table.
170     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           *
171     *               and translation           * @param fs
172     */           *            the feature source
173    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {           * @param amd
174      this.map = map;           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
175      try {           *            and translation
176        if (map == null)           */
177          setFeatureSource(null, null, null);          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
178        else                  try {
179          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                          if (styledFeatures == null)
180      } catch (Exception err) {                                  setFeatureSource(null, null, null);
181        throw new RuntimeException(err);                          else {
182      }                                  setFeatureSource(styledFeatures.getFeatureSource(),
183    }                                                  styledFeatures.getAttributeMetaDataMap(),
184                                                      styledFeatures.getFilter());
185    /**                          }
186     * Resets the filter for the table.                  } catch (Exception err) {
187     * @param filter a filter                          throw new RuntimeException(err);
188     */                  }
189    public void setFilter(Filter filter) {          }
190      try{  
191        setFeatureSource(this.featureSource, this.origAMD, filter);          /**
192      } catch (Exception err) {           * After calling {@code super.reorganize(.)} this method replaced the column
193        throw new RuntimeException(err);           * descriptions with the titles of the {@code AttributeMetaData}.
194      }           *
195    }           * @param fireTableStructureChanged
196               *            indicates whether a table event is initiated after reorganize
197    /**           */
198     * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the Features          @Override
199     */          protected void reorganize(boolean fireTableStructureChanged) {
200    public Filter getFilter() {  
201            return this.filter;                  featureArray = FeatureUtil.featuresToArray(featureTable);
202    }                  if (featureArray == null || featureArray.length == 0) {
203                            colNames = new String[0];
204    /**                          colTooltips = new String[0]; // Only set and used in
205     * After calling {@code super.reorganize(.)} this method replaced the                          // StyledFeatureCollectionTableModel
206     * column descriptions with the titles of the {@code AttributeMetaData}.                          colClass = new Class[0];
207     * @param fireTableStructureChanged indicates whether a table event is                  } else {
208     *        initiated after reorganize                          // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
209     */                          SimpleFeatureType schema = featureArray[0].getFeatureType();
210    @Override                          // Pruefen, welche Attribute angezeigt werden
211    protected void reorganize(boolean fireTableStructureChanged) {                          attrTypes.clear();
212      super.reorganize(false);                          for (AttributeMetadataInterface amd : amdMapVisibleOnly) {
213      // translate the column names                  Name name = amd.getName();
214      if (visibleAMD != null) {                  AttributeDescriptor type = schema.getDescriptor(name);
215        Iterator<Integer> keys = visibleAMD.keySet().iterator();                  // if type can not be determined by complete name,
216        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                  // try only the local name
217          Translation title = visibleAMD.get(keys.next()).getTitle();                  if ( type == null )
218          if (!I8NUtil.isEmpty(title)) {                    type = schema.getDescriptor(name.getLocalPart());
219  //          System.out.println("set colname " + i + " to " + title.toString());                                  if (attrFilter == null || attrFilter.accept(type))
220            colNames[i] = title.toString();                                          attrTypes.add(type);
221          }                          }
222        }                          // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
223      }                          colNames = new String[attrTypes.size()];
224      if ( fireTableStructureChanged )                          colTooltips = new String[attrTypes.size()]; // Only set and used in
225        fireTableStructureChanged();                          // StyledFeatureCollectionTableModel
226    }                          colClass = new Class[attrTypes.size()];
227                            attrIdxForCol = new int[attrTypes.size()];
228    /**                          for (int i = 0; i < colNames.length; i++) {
229           * @returns Cached bounds for the whole dataset (without applying the                  Name name = amdMapVisibleOnly.get(i).getName();
230           *          filter) or <code>null</code>                  AttributeDescriptor descriptor = schema.getDescriptor(name);
231           */                  // if type can not be determined by complete name,
232          public Envelope getBounds() {                  // try only the local name
233                  return bounds;                  if ( descriptor == null )
234          }                    descriptor = schema.getDescriptor(name.getLocalPart());
235  }  
236                                    // Not so nice in 26: find the index of an attribute...
237                                    int idx = schema.getAttributeDescriptors().indexOf(descriptor);
238                                    attrIdxForCol[i] = idx;
239    
240                                    String attName = schema.getAttributeDescriptors().get(idx)
241                                                    .getLocalName();
242                                    colNames[i] = amdMap.get(attName).getTitle().toString();
243                                    AttributeMetadataInterface amd = amdMap.get(attName);
244                                    colTooltips[i] = "<html>" + amd.getDesc().toString() + "<br>"
245                                                    + amd.getName() + "</html>";
246                                    colClass[i] = schema.getAttributeDescriptors().get(idx)
247                                                    .getType().getBinding();
248                            }
249                    }
250    
251                    // store feature indexes in HashMap to optimize findFeature(.)
252                    featureIdx = new HashMap<String, Integer>();
253                    for (int i = 0; i < featureArray.length; i++)
254                            if (featureArray[i] != null)
255                                    featureIdx.put(featureArray[i].getID(), i);
256                    //
257                    // // translate the column names
258                    // if (amdMap != null) {
259                    // for (int i = 0; i < colNames.length; i++) {
260                    // colTooltips[i] = amdMap.get(colNames[i]).getDesc().toString()
261                    // + "<br>" + colNames[i];
262                    // colNames[i] = amdMap.get(colNames[i]).getTitle().toString();
263                    //
264                    // }
265                    // }
266                    if (fireTableStructureChanged)
267                            fireTableStructureChanged();
268    
269            }
270    
271            /**
272             * @return Cached bounds for the whole dataset (without applying the filter)
273             *         or <code>null</code>
274             */
275            public Envelope getBounds() {
276                    return bounds;
277            }
278    }

Legend:
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changed lines
  Added in v.1103

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