/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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revision 57 by mojays, Fri Apr 17 15:26:14 2009 UTC revision 862 by alfonx, Sat May 22 01:24:46 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. 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.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.AttributeMetadataImpl;
49    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {  import skrueger.AttributeMetadataInterface;
50      this(map,Filter.INCLUDE);  
51    }  import com.vividsolutions.jts.geom.Envelope;
52    
53    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {  /**
54      super();   * This class extends the the {@link FeatureCollectionTableModel} with the
55      setFeatureCollection(map, filter);   * functionalities of the {@link AttributeMetadataImpl}.
56    }   * <ul>
57     * <li>column names are translated according to
58    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {   * {@link AttributeMetadataImpl#getTitle()}</li>
59      this(map,Filter.INCLUDE);   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
60    }   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
61     * applied.</li>
62    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {   * </ul>
63      super();   *
64      setFeatureCollection(map, filter);   * @author Stefan A. Tzeggai
65    }   */
66    public class StyledFeatureCollectionTableModel extends
67    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {                  FeatureCollectionTableModel {
68      this.visibleAMD = null;          final static private Logger LOGGER = Logger
69      if ( filter == null )                          .getLogger(StyledFeatureCollectionTableModel.class);
70        filter = Filter.INCLUDE;          /** Contains the complete {@link AttributeMetadataImpl}-Map of the styled layer. */
71                protected AttributeMetadataMap<? extends AttributeMetadataInterface> amdMap = null;
72      FeatureCollection fc = null;          /** Holds the current filter on the table */
73      if (fs != null) {          protected Filter filter = null;
74        Query query = new DefaultQuery();          /** Holds the Bounds for all features. Only set once during the constructor **/
75        if (amd != null) {          protected Envelope bounds;
76          // determine the names of the visible Attributes          /**
77          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);           * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
78          Vector<String> visibleAttrNames = new Vector<String>();           * {@link #reorganize} befuellt.
79          // Add the column with the geometry (usually "the_geom")           */
80          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());          protected String[] colTooltips = null;
81          for (int attrIdx : visibleAMD.keySet())  
82            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());          /** A cache for the #sortedValuesVisibleOnly() **/
83            protected List<? extends AttributeMetadataInterface> amdMapVisibleOnly = null;
84          // create a query for the visible attributes  
85          String[] properties = visibleAttrNames.toArray(new String[0]);          /**
86          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);           * Creates a new table model for a styled layer.
87        }           *
88        fc = fs.getFeatures(query);           * @param styledFeatures
89      }           *            the styled layer
90      setFeatureCollection(fc);           * @param filter
91    }           *            filter applied to the table
92             */
93    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {          public StyledFeatureCollectionTableModel(
94      try {                          StyledFeaturesInterface<?> styledFeatures) {
95        if (map == null)                  setStyledFeatures(styledFeatures);
96          setFeatureSource(null, null, null);          }
97        else {  
98          FeatureCollection fc = map.getGeoObject();          /**
99          String fcName = fc.getFeatureType().getTypeName();           * This overwritten method filters the values for NODATA-values defined in
100          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);           * the {@link AttributeMetadataImpl}
101          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);           */
102        }          @Override
103      } catch (Exception err) {          public Object getValueAt(int row, int col) {
104        throw new RuntimeException(err);                  Object rawValue = super.getValueAt(row, col);
105      }                  return amdMap.sortedValuesVisibleOnly().get(col).fiterNodata(rawValue);
106    }          }
107            
108    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {          /**
109      try {           * Sets a new data source for the table.
110        if (map == null)           *
111          setFeatureSource(null, null, null);           * @param fs
112        else           *            the feature source
113          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);           * @param amdm
114      } catch (Exception err) {           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
115        throw new RuntimeException(err);           *            and translation
116      }           */
117    }          protected void setFeatureSource(
118                            FeatureSource<SimpleFeatureType, SimpleFeature> fs,
119    @Override                          AttributeMetadataMap<? extends AttributeMetadataInterface> amdm, Filter filter) throws Exception {
120    public void reorganize() {  
121      super.reorganize();                  if (filter == null)
122      // translate the column names                          filter = Filter.INCLUDE;
123      if (visibleAMD != null) {  
124        Iterator<Integer> keys = visibleAMD.keySet().iterator();                  // this.featureSource = fs;
125        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                  this.filter = filter;
126          Translation title = visibleAMD.get(keys.next()).getTitle();                  this.amdMap = amdm;
127          if (!I8NUtil.isEmpty(title)) {                  this.amdMapVisibleOnly = amdMap.sortedValuesVisibleOnly();
128            System.out.println("set colname " + i + " to " + title.toString());  
129            colNames[i] = title.toString();                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
130          }                  if (fs != null) {
131        }  
132      }                          bounds = fs.getBounds();
133      fireTableStructureChanged();  
134    }                          final SimpleFeatureType schema = fs.getSchema();
135  }                          Query query = new DefaultQuery(schema.getTypeName(), filter);
136                            if (amdm != null) {
137                                    Vector<String> visibleAttrNames = new Vector<String>();
138    
139                                    // Add the column with the geometry (usually "the_geom") always
140                                    visibleAttrNames.add(schema.getGeometryDescriptor()
141                                                    .getLocalName());
142    
143                                    // Add other visible attributes as ordered by weights
144                                    for (AttributeMetadataInterface a : amdMapVisibleOnly) {
145                                            visibleAttrNames.add(a.getLocalName());
146                                    }
147    
148                                    // Tested with 2.6.x trunk from 2009-11-26 and it now works. So
149                                    // we only request the properties we need!
150                                    // /**
151                                    // * I got NPEs when properties contained only [the_geom]
152                                    // ?!??!!??
153                                    // */
154                                    // if (properties.length > 1) {
155                                    query = new DefaultQuery(schema.getTypeName(), filter,
156                                                    visibleAttrNames.toArray(new String[] {}));
157                                    // } else {
158                                    // query = new DefaultQuery(schema.getTypeName(), filter);
159                                    // }
160                            }
161                            fc = fs.getFeatures(query);
162                    }
163                    setFeatureCollection(fc);
164            }
165    
166            /**
167             * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
168             * and sets this as the new data source for the table.
169             *
170             * @param fs
171             *            the feature source
172             * @param amd
173             *            {@link AttributeMetadataImpl}-Map to define the visible attributes
174             *            and translation
175             */
176            public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
177                    try {
178                            if (styledFeatures == null)
179                                    setFeatureSource(null, null, null);
180                            else {
181                                    setFeatureSource(styledFeatures.getFeatureSource(),
182                                                    styledFeatures.getAttributeMetaDataMap(),
183                                                    styledFeatures.getFilter());
184                            }
185                    } catch (Exception err) {
186                            throw new RuntimeException(err);
187                    }
188            }
189    
190            /**
191             * After calling {@code super.reorganize(.)} this method replaced the column
192             * descriptions with the titles of the {@code AttributeMetaData}.
193             *
194             * @param fireTableStructureChanged
195             *            indicates whether a table event is initiated after reorganize
196             */
197            @Override
198            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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