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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 58 by mojays, Fri Apr 17 15:55:33 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 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. Tzeggai - 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.LinkedHashSet;
34   * <ul>  import java.util.List;
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.feature.type.Name;
45    /** Holds the data source for the table as {@code FeatureSource}. */  import org.opengis.filter.Filter;
46    protected FeatureSource featureSource = null;  
47    /** Holds the current filter on the table */  import schmitzm.geotools.feature.FeatureUtil;
48    protected Filter filter = null;  import schmitzm.geotools.gui.FeatureCollectionTableModel;
49    import skrueger.AttributeMetadataImpl;
50    /**  import skrueger.AttributeMetadataInterface;
51     * Creates a new table model for a styled map.  
52     * @param map the styled map  import com.vividsolutions.jts.geom.Envelope;
53     */  
54    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {  /**
55      this(map,Filter.INCLUDE);   * This class extends the the {@link FeatureCollectionTableModel} with the
56    }   * functionalities of the {@link AttributeMetadataImpl}.
57     * <ul>
58    /**   * <li>column names are translated according to
59     * Creates a new table model for a styled map.   * {@link AttributeMetadataImpl#getTitle()}</li>
60     * @param map the styled map   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
61     * @param filter filter applied to the table   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
62     */   * applied.</li>
63    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {   * </ul>
64      super();   *
65      setFeatureCollection(map, filter);   * @author Stefan A. Tzeggai
66    }   */
67    public class StyledFeatureCollectionTableModel extends
68    /**                  FeatureCollectionTableModel {
69     * Creates a new table model for a styled map.          final static private Logger LOGGER = Logger
70     * @param map the styled map                          .getLogger(StyledFeatureCollectionTableModel.class);
71     */          /** Contains the complete {@link AttributeMetadataImpl}-Map of the styled layer. */
72    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {          protected AttributeMetadataMap<? extends AttributeMetadataInterface> amdMap = null;
73      this(map,Filter.INCLUDE);          /** Holds the current filter on the table */
74    }          protected Filter filter = null;
75            /** Holds the Bounds for all features. Only set once during the constructor **/
76    /**          protected Envelope bounds;
77     * Creates a new table model for a styled map.          /**
78     * @param map the styled map           * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
79     * @param filter filter applied to the table           * {@link #reorganize} befuellt.
80     */           */
81    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {          protected String[] colTooltips = null;
82      super();  
83      setFeatureCollection(map, filter);          /** A cache for the #sortedValuesVisibleOnly() **/
84    }          protected List<? extends AttributeMetadataInterface> amdMapVisibleOnly = null;
85    
86    /**          /**
87     * Sets a new data source for the table.           * Creates a new table model for a styled layer.
88     * @param fs     the feature source           *
89     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           * @param styledFeatures
90     *               and translation           *            the styled layer
91     */           * @param filter
92    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {           *            filter applied to the table
93      if ( filter == null )           */
94        filter = Filter.INCLUDE;          public StyledFeatureCollectionTableModel(
95                            StyledFeaturesInterface<?> styledFeatures) {
96      this.featureSource = fs;                  setStyledFeatures(styledFeatures);
97      this.filter        = filter;          }
98      this.visibleAMD    = null;  
99                /**
100      FeatureCollection fc = null;           * This overwritten method filters the values for NODATA-values defined in
101      if (fs != null) {           * the {@link AttributeMetadataImpl}
102        Query query = new DefaultQuery();           */
103        if (amd != null) {          @Override
104          // determine the names of the visible Attributes          public Object getValueAt(int row, int col) {
105          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);                  Object rawValue = super.getValueAt(row, col);
106          Vector<String> visibleAttrNames = new Vector<String>();                  return amdMap.sortedValuesVisibleOnly().get(col).fiterNodata(rawValue);
107          // Add the column with the geometry (usually "the_geom")          }
108          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());          
109          for (int attrIdx : visibleAMD.keySet())          /**
110            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());           * Sets a new data source for the table.
111             *
112          // create a query for the visible attributes           * @param fs
113          String[] properties = visibleAttrNames.toArray(new String[0]);           *            the feature source
114          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);           * @param amdm
115        }           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
116        fc = fs.getFeatures(query);           *            and translation
117      }           */
118      setFeatureCollection(fc);          protected void setFeatureSource(
119    }                          FeatureSource<SimpleFeatureType, SimpleFeature> fs,
120                            AttributeMetadataMap<? extends AttributeMetadataInterface> amdm, Filter filter) throws Exception {
121    /**  
122     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                  if (filter == null)
123     * and sets this as the new data source for the table.                          filter = Filter.INCLUDE;
124     * @param fs     the feature source  
125     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                  // this.featureSource = fs;
126     *               and translation                  this.filter = filter;
127     */                  this.amdMap = amdm;
128    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                  this.amdMapVisibleOnly = amdMap.sortedValuesVisibleOnly();
129      this.map = map;  
130      try {                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
131        if (map == null)                  if (fs != null) {
132          setFeatureSource(null, null, null);  
133        else {                          bounds = fs.getBounds();
134          FeatureCollection fc = map.getGeoObject();  
135          String fcName = fc.getFeatureType().getTypeName();                          final SimpleFeatureType schema = fs.getSchema();
136          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                          Query query = new DefaultQuery(schema.getTypeName(), filter);
137          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                          if (amdm != null) {
138        }                                  LinkedHashSet<String> visibleAttrNames = new LinkedHashSet<String>();
139      } catch (Exception err) {  
140        throw new RuntimeException(err);                                  // Add the column with the geometry (usually "the_geom") always
141      }                                  visibleAttrNames.add(schema.getGeometryDescriptor()
142    }                                                  .getLocalName());
143    
144    /**                                  // Add other visible attributes as ordered by weights
145     * Sets the {@code StyledFeatureCollection} as new data source for the table.                                  for (AttributeMetadataInterface a : amdMapVisibleOnly) {
146     * @param fs     the feature source                                          visibleAttrNames.add(a.getLocalName());
147     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                  }
148     *               and translation  
149     */                                  // Tested with 2.6.x trunk from 2009-11-26 and it now works. So
150    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {                                  // we only request the properties we need!
151      this.map = map;                                  // /**
152      try {                                  // * I got NPEs when properties contained only [the_geom]
153        if (map == null)                                  // ?!??!!??
154          setFeatureSource(null, null, null);                                  // */
155        else                                  // if (properties.length > 1) {
156          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                                  query = new DefaultQuery(schema.getTypeName(), filter,
157      } catch (Exception err) {                                                  visibleAttrNames.toArray(new String[] {}));
158        throw new RuntimeException(err);                                  // } else {
159      }                                  // query = new DefaultQuery(schema.getTypeName(), filter);
160    }                                  // }
161                              }
162    /**                          fc = fs.getFeatures(query);
163     * Resets the filter for the table.                  }
164     * @param filter a filter                  setFeatureCollection(fc);
165     */          }
166    public void setFilter(Filter filter) {  
167      try{          /**
168        setFeatureSource(this.featureSource, this.visibleAMD, filter);           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
169      } catch (Exception err) {           * and sets this as the new data source for the table.
170        throw new RuntimeException(err);           *
171      }           * @param fs
172    }           *            the feature source
173             * @param amd
174    /**           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
175     * After calling {@code super.reorganize(.)} this method replaced the           *            and translation
176     * column descriptions with the titles of the {@code AttributeMetaData}.           */
177     * @param fireTableStructureChanged indicates whether a table event is          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
178     *        initiated after reorganize                  try {
179     */                          if (styledFeatures == null)
180    @Override                                  setFeatureSource(null, null, null);
181    protected void reorganize(boolean fireTableStructureChanged) {                          else {
182      super.reorganize(false);                                  setFeatureSource(styledFeatures.getFeatureSource(),
183      // translate the column names                                                  styledFeatures.getAttributeMetaDataMap(),
184      if (visibleAMD != null) {                                                  styledFeatures.getFilter());
185        Iterator<Integer> keys = visibleAMD.keySet().iterator();                          }
186        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                  } catch (Exception err) {
187          Translation title = visibleAMD.get(keys.next()).getTitle();                          throw new RuntimeException(err);
188          if (!I8NUtil.isEmpty(title)) {                  }
189            System.out.println("set colname " + i + " to " + title.toString());          }
190            colNames[i] = title.toString();  
191          }          /**
192        }           * After calling {@code super.reorganize(.)} this method replaced the column
193      }           * descriptions with the titles of the {@code AttributeMetaData}.
194      if ( fireTableStructureChanged )           *
195        fireTableStructureChanged();           * @param fireTableStructureChanged
196    }           *            indicates whether a table event is initiated after reorganize
197  }           */
198            @Override
199            protected void reorganize(boolean fireTableStructureChanged) {
200    
201                    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                            // StyledFeatureCollectionTableModel
206                            colClass = new Class[0];
207                    } else {
208                            // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
209                            SimpleFeatureType schema = featureArray[0].getFeatureType();
210                            // Pruefen, welche Attribute angezeigt werden
211                            attrTypes.clear();
212                            for (AttributeMetadataInterface amd : amdMapVisibleOnly) {
213                    Name name = amd.getName();
214                    AttributeDescriptor type = schema.getDescriptor(name);
215                    // if type can not be determined by complete name,
216                    // try only the local name
217                    if ( type == null )
218                      type = schema.getDescriptor(name.getLocalPart());
219                                    if (attrFilter == null || attrFilter.accept(type))
220                                            attrTypes.add(type);
221                            }
222                            // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
223                            colNames = new String[attrTypes.size()];
224                            colTooltips = new String[attrTypes.size()]; // Only set and used in
225                            // StyledFeatureCollectionTableModel
226                            colClass = new Class[attrTypes.size()];
227                            attrIdxForCol = new int[attrTypes.size()];
228                            for (int i = 0; i < colNames.length; i++) {
229                    Name name = amdMapVisibleOnly.get(i).getName();
230                    AttributeDescriptor descriptor = schema.getDescriptor(name);
231                    // if type can not be determined by complete name,
232                    // try only the local name
233                    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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  Added in v.1103

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