/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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revision 59 by mojays, Fri Apr 17 17:26:58 2009 UTC revision 1043 by alfonx, Wed Sep 22 11:19:06 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.LinkedHashSet;
34   * <ul>  import java.util.List;
35   *   <li>column names are translated according to {@link AttributeMetaData#getTitle()}</li>  import java.util.Vector;
36   *   <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  
37   * </ul>  import org.apache.log4j.Logger;
38   * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)  import org.geotools.data.DefaultQuery;
39   */  import org.geotools.data.FeatureSource;
40  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {  import org.geotools.data.Query;
41    /** Holds the data source as styled map. */  import org.geotools.feature.FeatureCollection;
42    protected StyledMapInterface map = null;  import org.opengis.feature.simple.SimpleFeature;
43    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  import org.opengis.feature.simple.SimpleFeatureType;
44    protected Map<Integer, AttributeMetaData> visibleAMD = null;  import org.opengis.feature.type.AttributeDescriptor;
45    /** Holds the data source for the table as {@code FeatureSource}. */  import org.opengis.feature.type.Name;
46    protected FeatureSource featureSource = null;  import org.opengis.filter.Filter;
47    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */  
48    protected Map<Integer, AttributeMetaData> origAMD = null;  import schmitzm.geotools.feature.FeatureUtil;
49    /** Holds the current filter on the table */  import schmitzm.geotools.gui.FeatureCollectionTableModel;
50    protected Filter filter = null;  import skrueger.AttributeMetadataImpl;
51    import skrueger.AttributeMetadataInterface;
52    /**  
53     * Creates a new table model for a styled map.  import com.vividsolutions.jts.geom.Envelope;
54     * @param map the styled map  
55     */  /**
56    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * This class extends the the {@link FeatureCollectionTableModel} with the
57      this(map,Filter.INCLUDE);   * functionalities of the {@link AttributeMetadataImpl}.
58    }   * <ul>
59     * <li>column names are translated according to
60    /**   * {@link AttributeMetadataImpl#getTitle()}</li>
61     * Creates a new table model for a styled map.   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
62     * @param map the styled map   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
63     * @param filter filter applied to the table   * applied.</li>
64     */   * </ul>
65    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {   *
66      super();   * @author Stefan A. Tzeggai
67      setFeatureCollection(map, filter);   */
68    }  public class StyledFeatureCollectionTableModel extends
69                    FeatureCollectionTableModel {
70    /**          final static private Logger LOGGER = Logger
71     * Creates a new table model for a styled map.                          .getLogger(StyledFeatureCollectionTableModel.class);
72     * @param map the styled map          /** Contains the complete {@link AttributeMetadataImpl}-Map of the styled layer. */
73     */          protected AttributeMetadataMap<? extends AttributeMetadataInterface> amdMap = null;
74    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {          /** Holds the current filter on the table */
75      this(map,Filter.INCLUDE);          protected Filter filter = null;
76    }          /** Holds the Bounds for all features. Only set once during the constructor **/
77            protected Envelope bounds;
78    /**          /**
79     * Creates a new table model for a styled map.           * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
80     * @param map the styled map           * {@link #reorganize} befuellt.
81     * @param filter filter applied to the table           */
82     */          protected String[] colTooltips = null;
83    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {  
84      super();          /** A cache for the #sortedValuesVisibleOnly() **/
85      setFeatureCollection(map, filter);          protected List<? extends AttributeMetadataInterface> amdMapVisibleOnly = null;
86    }  
87            /**
88    /**           * Creates a new table model for a styled layer.
89     * Sets a new data source for the table.           *
90     * @param fs     the feature source           * @param styledFeatures
91     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           *            the styled layer
92     *               and translation           * @param filter
93     */           *            filter applied to the table
94    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {           */
95      if ( filter == null )          public StyledFeatureCollectionTableModel(
96        filter = Filter.INCLUDE;                          StyledFeaturesInterface<?> styledFeatures) {
97                    setStyledFeatures(styledFeatures);
98      this.featureSource = fs;          }
99      this.filter        = filter;  
100      this.origAMD       = amd;          /**
101      this.visibleAMD    = null;           * This overwritten method filters the values for NODATA-values defined in
102                 * the {@link AttributeMetadataImpl}
103      FeatureCollection fc = null;           */
104      if (fs != null) {          @Override
105        Query query = new DefaultQuery();          public Object getValueAt(int row, int col) {
106        if (amd != null) {                  Object rawValue = super.getValueAt(row, col);
107          // determine the names of the visible Attributes                  return amdMap.sortedValuesVisibleOnly().get(col).fiterNodata(rawValue);
108          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);          }
109          Vector<String> visibleAttrNames = new Vector<String>();          
110          // Add the column with the geometry (usually "the_geom")          /**
111          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());           * Sets a new data source for the table.
112          for (int attrIdx : visibleAMD.keySet())           *
113            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());           * @param fs
114             *            the feature source
115          // create a query for the visible attributes           * @param amdm
116          String[] properties = visibleAttrNames.toArray(new String[0]);           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
117          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);           *            and translation
118        }           */
119        fc = fs.getFeatures(query);          protected void setFeatureSource(
120      }                          FeatureSource<SimpleFeatureType, SimpleFeature> fs,
121      setFeatureCollection(fc);                          AttributeMetadataMap<? extends AttributeMetadataInterface> amdm, Filter filter) throws Exception {
122    }  
123                    if (filter == null)
124    /**                          filter = Filter.INCLUDE;
125     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}  
126     * and sets this as the new data source for the table.                  // this.featureSource = fs;
127     * @param fs     the feature source                  this.filter = filter;
128     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                  this.amdMap = amdm;
129     *               and translation                  this.amdMapVisibleOnly = amdMap.sortedValuesVisibleOnly();
130     */  
131    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
132      this.map = map;                  if (fs != null) {
133      try {  
134        if (map == null)                          bounds = fs.getBounds();
135          setFeatureSource(null, null, null);  
136        else {                          final SimpleFeatureType schema = fs.getSchema();
137          FeatureCollection fc = map.getGeoObject();                          Query query = new DefaultQuery(schema.getTypeName(), filter);
138          String fcName = fc.getFeatureType().getTypeName();                          if (amdm != null) {
139          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                                  LinkedHashSet<String> visibleAttrNames = new LinkedHashSet<String>();
140          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);  
141        }                                  // Add the column with the geometry (usually "the_geom") always
142      } catch (Exception err) {                                  visibleAttrNames.add(schema.getGeometryDescriptor()
143        throw new RuntimeException(err);                                                  .getLocalName());
144      }  
145    }                                  // Add other visible attributes as ordered by weights
146                                    for (AttributeMetadataInterface a : amdMapVisibleOnly) {
147    /**                                          visibleAttrNames.add(a.getLocalName());
148     * Sets the {@code StyledFeatureCollection} as new data source for the table.                                  }
149     * @param fs     the feature source  
150     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                  // Tested with 2.6.x trunk from 2009-11-26 and it now works. So
151     *               and translation                                  // we only request the properties we need!
152     */                                  // /**
153    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {                                  // * I got NPEs when properties contained only [the_geom]
154      this.map = map;                                  // ?!??!!??
155      try {                                  // */
156        if (map == null)                                  // if (properties.length > 1) {
157          setFeatureSource(null, null, null);                                  query = new DefaultQuery(schema.getTypeName(), filter,
158        else                                                  visibleAttrNames.toArray(new String[] {}));
159          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                                  // } else {
160      } catch (Exception err) {                                  // query = new DefaultQuery(schema.getTypeName(), filter);
161        throw new RuntimeException(err);                                  // }
162      }                          }
163    }                          fc = fs.getFeatures(query);
164                      }
165    /**                  setFeatureCollection(fc);
166     * Resets the filter for the table.          }
167     * @param filter a filter  
168     */          /**
169    public void setFilter(Filter filter) {           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
170      try{           * and sets this as the new data source for the table.
171        setFeatureSource(this.featureSource, this.origAMD, filter);           *
172      } catch (Exception err) {           * @param fs
173        throw new RuntimeException(err);           *            the feature source
174      }           * @param amd
175    }           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
176             *            and translation
177    /**           */
178     * After calling {@code super.reorganize(.)} this method replaced the          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
179     * column descriptions with the titles of the {@code AttributeMetaData}.                  try {
180     * @param fireTableStructureChanged indicates whether a table event is                          if (styledFeatures == null)
181     *        initiated after reorganize                                  setFeatureSource(null, null, null);
182     */                          else {
183    @Override                                  setFeatureSource(styledFeatures.getFeatureSource(),
184    protected void reorganize(boolean fireTableStructureChanged) {                                                  styledFeatures.getAttributeMetaDataMap(),
185      super.reorganize(false);                                                  styledFeatures.getFilter());
186      // translate the column names                          }
187      if (visibleAMD != null) {                  } catch (Exception err) {
188        Iterator<Integer> keys = visibleAMD.keySet().iterator();                          throw new RuntimeException(err);
189        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                  }
190          Translation title = visibleAMD.get(keys.next()).getTitle();          }
191          if (!I8NUtil.isEmpty(title)) {  
192            System.out.println("set colname " + i + " to " + title.toString());          /**
193            colNames[i] = title.toString();           * After calling {@code super.reorganize(.)} this method replaced the column
194          }           * descriptions with the titles of the {@code AttributeMetaData}.
195        }           *
196      }           * @param fireTableStructureChanged
197      if ( fireTableStructureChanged )           *            indicates whether a table event is initiated after reorganize
198        fireTableStructureChanged();           */
199    }          @Override
200  }          protected void reorganize(boolean fireTableStructureChanged) {
201    
202                    featureArray = FeatureUtil.featuresToArray(featureTable);
203                    if (featureArray == null || featureArray.length == 0) {
204                            colNames = new String[0];
205                            colTooltips = new String[0]; // Only set and used in
206                            // StyledFeatureCollectionTableModel
207                            colClass = new Class[0];
208                    } else {
209                            // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
210                            SimpleFeatureType schema = featureArray[0].getFeatureType();
211                            // Pruefen, welche Attribute angezeigt werden
212                            attrTypes.clear();
213                            for (AttributeMetadataInterface amd : amdMapVisibleOnly) {
214                    Name name = amd.getName();
215                    AttributeDescriptor type = schema.getDescriptor(name);
216                    // if type can not be determined by complete name,
217                    // try only the local name
218                    if ( type == null )
219                      type = schema.getDescriptor(name.getLocalPart());
220                                    if (attrFilter == null || attrFilter.accept(type))
221                                            attrTypes.add(type);
222                            }
223                            // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
224                            colNames = new String[attrTypes.size()];
225                            colTooltips = new String[attrTypes.size()]; // Only set and used in
226                            // StyledFeatureCollectionTableModel
227                            colClass = new Class[attrTypes.size()];
228                            attrIdxForCol = new int[attrTypes.size()];
229                            for (int i = 0; i < colNames.length; i++) {
230                    Name name = amdMapVisibleOnly.get(i).getName();
231                    AttributeDescriptor descriptor = schema.getDescriptor(name);
232                    // if type can not be determined by complete name,
233                    // try only the local name
234                    if ( descriptor == null )
235                      descriptor = schema.getDescriptor(name.getLocalPart());
236    
237                                    // Not so nice in 26: find the index of an attribute...
238                                    int idx = schema.getAttributeDescriptors().indexOf(descriptor);
239                                    attrIdxForCol[i] = idx;
240    
241                                    String attName = schema.getAttributeDescriptors().get(idx)
242                                                    .getLocalName();
243                                    colNames[i] = amdMap.get(attName).getTitle().toString();
244                                    AttributeMetadataInterface amd = amdMap.get(attName);
245                                    colTooltips[i] = "<html>" + amd.getDesc().toString() + "<br>"
246                                                    + amd.getName() + "</html>";
247                                    colClass[i] = schema.getAttributeDescriptors().get(idx)
248                                                    .getType().getBinding();
249                            }
250                    }
251    
252                    // store feature indexes in HashMap to optimize findFeature(.)
253                    featureIdx = new HashMap<String, Integer>();
254                    for (int i = 0; i < featureArray.length; i++)
255                            if (featureArray[i] != null)
256                                    featureIdx.put(featureArray[i].getID(), i);
257                    //
258                    // // translate the column names
259                    // if (amdMap != null) {
260                    // for (int i = 0; i < colNames.length; i++) {
261                    // colTooltips[i] = amdMap.get(colNames[i]).getDesc().toString()
262                    // + "<br>" + colNames[i];
263                    // colNames[i] = amdMap.get(colNames[i]).getTitle().toString();
264                    //
265                    // }
266                    // }
267                    if (fireTableStructureChanged)
268                            fireTableStructureChanged();
269    
270            }
271    
272            /**
273             * @return Cached bounds for the whole dataset (without applying the filter)
274             *         or <code>null</code>
275             */
276            public Envelope getBounds() {
277                    return bounds;
278            }
279    }

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  Added in v.1043

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