/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 57 by mojays, Fri Apr 17 15:26:14 2009 UTC branches/2.0-RC2/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 681 by alfonx, Tue Feb 9 22:08:26 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. 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  
36   * {@link AttributeMetaData#getTitle()}</li>  import org.apache.log4j.Logger;
37   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  import org.geotools.data.DefaultQuery;
38   * </ul>  import org.geotools.data.FeatureSource;
39   *  import org.geotools.data.Query;
40   * @author <a href="mailto:[email protected]">Martin Schmitz</a>  import org.geotools.feature.FeatureCollection;
41   *         (University of Bonn/Germany)  import org.opengis.feature.simple.SimpleFeature;
42   *  import org.opengis.feature.simple.SimpleFeatureType;
43   */  import org.opengis.feature.type.AttributeDescriptor;
44  public class StyledFeatureCollectionTableModel extends  import org.opengis.filter.Filter;
45      FeatureCollectionTableModel {  
46    import schmitzm.geotools.feature.FeatureUtil;
47    protected Map<Integer, AttributeMetaData> visibleAMD = null;  import schmitzm.geotools.gui.FeatureCollectionTableModel;
48    import skrueger.AttributeMetadata;
49    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {  
50      this(map,Filter.INCLUDE);  import com.vividsolutions.jts.geom.Envelope;
51    }  
52    /**
53    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {   * This class extends the the {@link FeatureCollectionTableModel} with the
54      super();   * functionalities of the {@link AttributeMetadata}.
55      setFeatureCollection(map, filter);   * <ul>
56    }   * <li>column names are translated according to
57     * {@link AttributeMetadata#getTitle()}</li>
58    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
59      this(map,Filter.INCLUDE);   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
60    }   * applied.</li>
61     * </ul>
62    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {   *
63      super();   * @author Stefan A. Krüger
64      setFeatureCollection(map, filter);   */
65    }  public class StyledFeatureCollectionTableModel extends
66                    FeatureCollectionTableModel {
67    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {          final static private Logger LOGGER = Logger
68      this.visibleAMD = null;                          .getLogger(StyledFeatureCollectionTableModel.class);
69      if ( filter == null )          /** Contains the complete {@link AttributeMetadata}-Map of the styled layer. */
70        filter = Filter.INCLUDE;          protected AttributeMetadataMap amdMap = null;
71                /** Holds the current filter on the table */
72      FeatureCollection fc = null;          protected Filter filter = null;
73      if (fs != null) {          /** Holds the Bounds for all features. Only set once during the constructor **/
74        Query query = new DefaultQuery();          protected Envelope bounds;
75        if (amd != null) {          /**
76          // determine the names of the visible Attributes           * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
77          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);           * {@link #reorganize} befuellt.
78          Vector<String> visibleAttrNames = new Vector<String>();           */
79          // Add the column with the geometry (usually "the_geom")          protected String[] colTooltips = null;
80          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());  
81          for (int attrIdx : visibleAMD.keySet())          /** A cache for the #sortedValuesVisibleOnly() **/
82            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());          protected List<AttributeMetadata> amdMapVisibleOnly = null;
83    
84          // create a query for the visible attributes          /**
85          String[] properties = visibleAttrNames.toArray(new String[0]);           * Creates a new table model for a styled layer.
86          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);           *
87        }           * @param styledFeatures
88        fc = fs.getFeatures(query);           *            the styled layer
89      }           * @param filter
90      setFeatureCollection(fc);           *            filter applied to the table
91    }           */
92            public StyledFeatureCollectionTableModel(
93    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                          StyledFeaturesInterface<?> styledFeatures) {
94      try {                  setStyledFeatures(styledFeatures);
95        if (map == null)          }
96          setFeatureSource(null, null, null);  
97        else {          /**
98          FeatureCollection fc = map.getGeoObject();           * This overwritten method filters the values for NODATA-values defined in
99          String fcName = fc.getFeatureType().getTypeName();           * the {@link AttributeMetadata}
100          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);           */
101          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);          @Override
102        }          public Object getValueAt(int row, int col) {
103      } catch (Exception err) {                  Object rawValue = super.getValueAt(row, col);
104        throw new RuntimeException(err);                  return amdMap.sortedValuesVisibleOnly().get(col).fiterNodata(rawValue);
105      }          }
106    }          
107            /**
108    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {           * Sets a new data source for the table.
109      try {           *
110        if (map == null)           * @param fs
111          setFeatureSource(null, null, null);           *            the feature source
112        else           * @param amdm
113          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);           *            {@link AttributeMetadata}-Map to define the visible attributes
114      } catch (Exception err) {           *            and translation
115        throw new RuntimeException(err);           */
116      }          protected void setFeatureSource(
117    }                          FeatureSource<SimpleFeatureType, SimpleFeature> fs,
118                            AttributeMetadataMap amdm, Filter filter) throws Exception {
119    @Override  
120    public void reorganize() {                  if (filter == null)
121      super.reorganize();                          filter = Filter.INCLUDE;
122      // translate the column names  
123      if (visibleAMD != null) {                  // this.featureSource = fs;
124        Iterator<Integer> keys = visibleAMD.keySet().iterator();                  this.filter = filter;
125        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                  this.amdMap = amdm;
126          Translation title = visibleAMD.get(keys.next()).getTitle();                  this.amdMapVisibleOnly = amdMap.sortedValuesVisibleOnly();
127          if (!I8NUtil.isEmpty(title)) {  
128            System.out.println("set colname " + i + " to " + title.toString());                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
129            colNames[i] = title.toString();                  if (fs != null) {
130          }  
131        }                          bounds = fs.getBounds();
132      }  
133      fireTableStructureChanged();                          final SimpleFeatureType schema = fs.getSchema();
134    }                          Query query = new DefaultQuery(schema.getTypeName(), filter);
135  }                          if (amdm != null) {
136                                    Vector<String> visibleAttrNames = new Vector<String>();
137    
138                                    // Add the column with the geometry (usually "the_geom") always
139                                    visibleAttrNames.add(schema.getGeometryDescriptor()
140                                                    .getLocalName());
141    
142                                    // Add other visible attributes as ordered by weights
143                                    for (AttributeMetadata a : amdMapVisibleOnly) {
144                                            visibleAttrNames.add(a.getLocalName());
145                                    }
146    
147                                    // Tested with 2.6.x trunk from 2009-11-26 and it now works. So
148                                    // we only request the properties we need!
149                                    // /**
150                                    // * I got NPEs when properties contained only [the_geom]
151                                    // ?!??!!??
152                                    // */
153                                    // if (properties.length > 1) {
154                                    query = new DefaultQuery(schema.getTypeName(), filter,
155                                                    visibleAttrNames.toArray(new String[] {}));
156                                    // } else {
157                                    // query = new DefaultQuery(schema.getTypeName(), filter);
158                                    // }
159                            }
160                            fc = fs.getFeatures(query);
161                    }
162                    setFeatureCollection(fc);
163            }
164    
165            /**
166             * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
167             * and sets this as the new data source for the table.
168             *
169             * @param fs
170             *            the feature source
171             * @param amd
172             *            {@link AttributeMetadata}-Map to define the visible attributes
173             *            and translation
174             */
175            public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
176                    try {
177                            if (styledFeatures == null)
178                                    setFeatureSource(null, null, null);
179                            else {
180                                    setFeatureSource(styledFeatures.getFeatureSource(),
181                                                    styledFeatures.getAttributeMetaDataMap(),
182                                                    styledFeatures.getFilter());
183                            }
184                    } catch (Exception err) {
185                            throw new RuntimeException(err);
186                    }
187            }
188    
189            /**
190             * After calling {@code super.reorganize(.)} this method replaced the column
191             * descriptions with the titles of the {@code AttributeMetaData}.
192             *
193             * @param fireTableStructureChanged
194             *            indicates whether a table event is initiated after reorganize
195             */
196            @Override
197            protected void reorganize(boolean fireTableStructureChanged) {
198    
199                    featureArray = FeatureUtil.featuresToArray(featureTable);
200                    if (featureArray == null || featureArray.length == 0) {
201                            colNames = new String[0];
202                            colTooltips = new String[0]; // Only set and used in
203                            // StyledFeatureCollectionTableModel
204                            colClass = new Class[0];
205                    } else {
206                            // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
207                            SimpleFeatureType schema = featureArray[0].getFeatureType();
208                            // Pruefen, welche Attribute angezeigt werden
209                            attrTypes.clear();
210                            for (AttributeMetadata amd : amdMapVisibleOnly) {
211                                    AttributeDescriptor type = schema.getDescriptor(amd.getName());
212                                    if (attrFilter == null || attrFilter.accept(type))
213                                            attrTypes.add(type);
214                            }
215                            // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
216                            colNames = new String[attrTypes.size()];
217                            colTooltips = new String[attrTypes.size()]; // Only set and used in
218                            // StyledFeatureCollectionTableModel
219                            colClass = new Class[attrTypes.size()];
220                            attrIdxForCol = new int[attrTypes.size()];
221                            for (int i = 0; i < colNames.length; i++) {
222                                    AttributeDescriptor descriptor = schema
223                                                    .getDescriptor(amdMapVisibleOnly.get(i).getName());
224    
225                                    // Not so nice in 26: find the index of an attribute...
226                                    int idx = schema.getAttributeDescriptors().indexOf(descriptor);
227                                    attrIdxForCol[i] = idx;
228    
229                                    String attName = schema.getAttributeDescriptors().get(idx)
230                                                    .getLocalName();
231                                    colNames[i] = amdMap.get(attName).getTitle().toString();
232                                    AttributeMetadata amd = amdMap.get(attName);
233                                    colTooltips[i] = "<html>" + amd.getDesc().toString() + "<br>"
234                                                    + amd.getName() + "</html>";
235                                    colClass[i] = schema.getAttributeDescriptors().get(idx)
236                                                    .getType().getBinding();
237                            }
238                    }
239    
240                    // store feature indexes in HashMap to optimize findFeature(.)
241                    featureIdx = new HashMap<String, Integer>();
242                    for (int i = 0; i < featureArray.length; i++)
243                            if (featureArray[i] != null)
244                                    featureIdx.put(featureArray[i].getID(), i);
245                    //
246                    // // translate the column names
247                    // if (amdMap != null) {
248                    // for (int i = 0; i < colNames.length; i++) {
249                    // colTooltips[i] = amdMap.get(colNames[i]).getDesc().toString()
250                    // + "<br>" + colNames[i];
251                    // colNames[i] = amdMap.get(colNames[i]).getTitle().toString();
252                    //
253                    // }
254                    // }
255                    if (fireTableStructureChanged)
256                            fireTableStructureChanged();
257    
258            }
259    
260            /**
261             * @return Cached bounds for the whole dataset (without applying the filter)
262             *         or <code>null</code>
263             */
264            public Envelope getBounds() {
265                    return bounds;
266            }
267    }

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