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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 58 by mojays, Fri Apr 17 15:55:33 2009 UTC branches/2.0-RC1/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 607 by alfonx, Wed Dec 9 15:13:42 2009 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. 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.Vector;
34   * <ul>  
35   *   <li>column names are translated according to {@link AttributeMetaData#getTitle()}</li>  import org.apache.log4j.Logger;
36   *   <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  import org.geotools.data.DefaultQuery;
37   * </ul>  import org.geotools.data.FeatureSource;
38   * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)  import org.geotools.data.Query;
39   */  import org.geotools.feature.FeatureCollection;
40  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {  import org.opengis.feature.simple.SimpleFeature;
41    /** Holds the data source as styled map. */  import org.opengis.feature.simple.SimpleFeatureType;
42    protected StyledMapInterface map = null;  import org.opengis.feature.type.AttributeDescriptor;
43    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  import org.opengis.filter.Filter;
44    protected Map<Integer, AttributeMetaData> visibleAMD = null;  
45    /** Holds the data source for the table as {@code FeatureSource}. */  import schmitzm.geotools.feature.FeatureUtil;
46    protected FeatureSource featureSource = null;  import schmitzm.geotools.gui.FeatureCollectionTableModel;
47    /** Holds the current filter on the table */  import skrueger.AttributeMetadata;
48    protected Filter filter = null;  
49    import com.vividsolutions.jts.geom.Envelope;
50    /**  
51     * Creates a new table model for a styled map.  /**
52     * @param map the styled map   * This class extends the the {@link FeatureCollectionTableModel} with the
53     */   * functionalities of the {@link AttributeMetadata}.
54    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * <ul>
55      this(map,Filter.INCLUDE);   * <li>column names are translated according to
56    }   * {@link AttributeMetadata#getTitle()}</li>
57     * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
58    /**   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
59     * Creates a new table model for a styled map.   * applied.</li>
60     * @param map the styled map   * </ul>
61     * @param filter filter applied to the table   *
62     */   * @author Stefan A. Krüger
63    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {   */
64      super();  public class StyledFeatureCollectionTableModel extends
65      setFeatureCollection(map, filter);                  FeatureCollectionTableModel {
66    }          final static private Logger LOGGER = Logger
67                            .getLogger(StyledFeatureCollectionTableModel.class);
68    /**          /** Contains the complete {@link AttributeMetadata}-Map of the styled layer. */
69     * Creates a new table model for a styled map.          protected AttributeMetadataMap amdMap = null;
70     * @param map the styled map          /** Holds the current filter on the table */
71     */          protected Filter filter = null;
72    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {          /** Holds the Bounds for all features. Only set once during the constructor **/
73      this(map,Filter.INCLUDE);          protected Envelope bounds;
74    }          /**
75             * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
76    /**           * {@link #reorganize} befuellt.
77     * Creates a new table model for a styled map.           */
78     * @param map the styled map          protected String[] colTooltips = null;
79     * @param filter filter applied to the table  
80     */          /**
81    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {           * Creates a new table model for a styled layer.
82      super();           *
83      setFeatureCollection(map, filter);           * @param styledFeatures
84    }           *            the styled layer
85             * @param filter
86    /**           *            filter applied to the table
87     * Sets a new data source for the table.           */
88     * @param fs     the feature source          public StyledFeatureCollectionTableModel(
89     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                          StyledFeaturesInterface<?> styledFeatures) {
90     *               and translation                  setStyledFeatures(styledFeatures);
91     */          }
92    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {  
93      if ( filter == null )          /**
94        filter = Filter.INCLUDE;           * Sets a new data source for the table.
95             *
96      this.featureSource = fs;           * @param fs
97      this.filter        = filter;           *            the feature source
98      this.visibleAMD    = null;           * @param amdm
99                 *            {@link AttributeMetadata}-Map to define the visible attributes
100      FeatureCollection fc = null;           *            and translation
101      if (fs != null) {           */
102        Query query = new DefaultQuery();          protected void setFeatureSource(
103        if (amd != null) {                          FeatureSource<SimpleFeatureType, SimpleFeature> fs,
104          // determine the names of the visible Attributes                          AttributeMetadataMap amdm, Filter filter) throws Exception {
105          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);  
106          Vector<String> visibleAttrNames = new Vector<String>();                  if (filter == null)
107          // Add the column with the geometry (usually "the_geom")                          filter = Filter.INCLUDE;
108          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());  
109          for (int attrIdx : visibleAMD.keySet())                  // this.featureSource = fs;
110            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());                  this.filter = filter;
111                    this.amdMap = amdm;
112          // create a query for the visible attributes  
113          String[] properties = visibleAttrNames.toArray(new String[0]);                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
114          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);                  if (fs != null) {
115        }  
116        fc = fs.getFeatures(query);                          bounds = fs.getBounds();
117      }  
118      setFeatureCollection(fc);                          final SimpleFeatureType schema = fs.getSchema();
119    }                          Query query = new DefaultQuery(schema.getTypeName(), filter);
120                            if (amdm != null) {
121    /**                                  Vector<String> visibleAttrNames = new Vector<String>();
122     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}  
123     * and sets this as the new data source for the table.                                  // Add the column with the geometry (usually "the_geom") always
124     * @param fs     the feature source                                  visibleAttrNames.add(schema.getGeometryDescriptor()
125     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                                  .getLocalName());
126     *               and translation  
127     */                                  // Add other visible attributes as ordered by weights
128    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                                  for (AttributeMetadata a : amdm.sortedValuesVisibleOnly()) {
129      this.map = map;                                          visibleAttrNames.add(a.getLocalName());
130      try {                                  }
131        if (map == null)  
132          setFeatureSource(null, null, null);  //                      Tested with 2.6.x trunk from 2009-11-26 and it now works. So we only request the properties we need!                    
133        else {  //                              /**
134          FeatureCollection fc = map.getGeoObject();  //                               * I got NPEs when properties contained only [the_geom] ?!??!!??
135          String fcName = fc.getFeatureType().getTypeName();  //                               */
136          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);  //                              if (properties.length > 1) {
137          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                                          query = new DefaultQuery(schema.getTypeName(), filter,
138        }                                                          visibleAttrNames.toArray(new String[] {}));
139      } catch (Exception err) {  //                              } else {
140        throw new RuntimeException(err);  //                                      query = new DefaultQuery(schema.getTypeName(), filter);
141      }  //                              }
142    }                          }
143                            fc = fs.getFeatures(query);
144    /**                  }
145     * Sets the {@code StyledFeatureCollection} as new data source for the table.                  setFeatureCollection(fc);
146     * @param fs     the feature source          }
147     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes  
148     *               and translation          /**
149     */           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
150    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {           * and sets this as the new data source for the table.
151      this.map = map;           *
152      try {           * @param fs
153        if (map == null)           *            the feature source
154          setFeatureSource(null, null, null);           * @param amd
155        else           *            {@link AttributeMetadata}-Map to define the visible attributes
156          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);           *            and translation
157      } catch (Exception err) {           */
158        throw new RuntimeException(err);          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
159      }                  try {
160    }                          if (styledFeatures == null)
161                                      setFeatureSource(null, null, null);
162    /**                          else {
163     * Resets the filter for the table.                                  setFeatureSource(styledFeatures.getFeatureSource(),
164     * @param filter a filter                                                  styledFeatures.getAttributeMetaDataMap(),
165     */                                                  styledFeatures.getFilter());
166    public void setFilter(Filter filter) {                          }
167      try{                  } catch (Exception err) {
168        setFeatureSource(this.featureSource, this.visibleAMD, filter);                          throw new RuntimeException(err);
169      } catch (Exception err) {                  }
170        throw new RuntimeException(err);          }
171      }  
172    }          /**
173             * After calling {@code super.reorganize(.)} this method replaced the column
174    /**           * descriptions with the titles of the {@code AttributeMetaData}.
175     * After calling {@code super.reorganize(.)} this method replaced the           *
176     * column descriptions with the titles of the {@code AttributeMetaData}.           * @param fireTableStructureChanged
177     * @param fireTableStructureChanged indicates whether a table event is           *            indicates whether a table event is initiated after reorganize
178     *        initiated after reorganize           */
179     */          @Override
180    @Override          protected void reorganize(boolean fireTableStructureChanged) {
181    protected void reorganize(boolean fireTableStructureChanged) {  
182      super.reorganize(false);                  featureArray = FeatureUtil.featuresToArray(featureTable);
183      // translate the column names                  if (featureArray == null || featureArray.length == 0) {
184      if (visibleAMD != null) {                          colNames = new String[0];
185        Iterator<Integer> keys = visibleAMD.keySet().iterator();                          colTooltips = new String[0]; // Only set and used in
186        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                                                                                          // StyledFeatureCollectionTableModel
187          Translation title = visibleAMD.get(keys.next()).getTitle();                          colClass = new Class[0];
188          if (!I8NUtil.isEmpty(title)) {                  } else {
189            System.out.println("set colname " + i + " to " + title.toString());                          // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
190            colNames[i] = title.toString();                          SimpleFeatureType schema = featureArray[0].getFeatureType();
191          }                          // Pruefen, welche Attribute angezeigt werden
192        }                          attrTypes.clear();
193      }                          for (AttributeMetadata amd : amdMap.sortedValuesVisibleOnly()) {
194      if ( fireTableStructureChanged )                                  AttributeDescriptor type = schema.getDescriptor(amd.getName());
195        fireTableStructureChanged();                                  if (attrFilter == null || attrFilter.accept(type))
196    }                                          attrTypes.add(type);
197  }                          }
198                            // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
199                            colNames = new String[attrTypes.size()];
200                            colTooltips = new String[attrTypes.size()]; // Only set and used in
201                                                                                                                    // StyledFeatureCollectionTableModel
202                            colClass = new Class[attrTypes.size()];
203                            attrIdxForCol = new int[attrTypes.size()];
204                            for (int i = 0; i < colNames.length; i++) {
205                                    AttributeDescriptor descriptor = schema.getDescriptor(amdMap.sortedValuesVisibleOnly().get(i).getName());
206    
207                                    // Not so nice in 26: find the index of an attribute...
208                                    int idx = schema.getAttributeDescriptors().indexOf(descriptor);
209                                    attrIdxForCol[i] = idx;
210    
211                                    String attName = schema.getAttributeDescriptors().get(idx)
212                                                    .getLocalName();
213                                    colNames[i] = amdMap.get(attName).getTitle().toString();
214                                    AttributeMetadata amd = amdMap.get(attName);
215                                    colTooltips[i] = "<html>"+amd.getDesc().toString()+"<br>"+amd.getName()+"</html>";
216                                    colClass[i] = schema.getAttributeDescriptors().get(idx).getType()
217                                                    .getBinding();
218                            }
219                    }
220    
221                    // store feature indexes in HashMap to optimize findFeature(.)
222                    featureIdx = new HashMap<String, Integer>();
223                    for (int i = 0; i < featureArray.length; i++)
224                            if (featureArray[i] != null)
225                                    featureIdx.put(featureArray[i].getID(), i);
226    //
227    //              // translate the column names
228    //              if (amdMap != null) {
229    //                      for (int i = 0; i < colNames.length; i++) {
230    //                              colTooltips[i] = amdMap.get(colNames[i]).getDesc().toString()
231    //                                              + "<br>" + colNames[i];
232    //                              colNames[i] = amdMap.get(colNames[i]).getTitle().toString();
233    //
234    //                      }
235    //              }
236                    if (fireTableStructureChanged)
237                            fireTableStructureChanged();
238    
239            }
240    
241            /**
242             * @return Cached bounds for the whole dataset (without applying the filter)
243             *         or <code>null</code>
244             */
245            public Envelope getBounds() {
246                    return bounds;
247            }
248    }

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