/[schmitzm]/branches/2.2.x/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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revision 58 by mojays, Fri Apr 17 15:55:33 2009 UTC revision 769 by alfonx, Sun Mar 21 11:02:34 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. 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 {@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.filter.Filter;
45    /** Holds the data source for the table as {@code FeatureSource}. */  
46    protected FeatureSource featureSource = null;  import schmitzm.geotools.feature.FeatureUtil;
47    /** Holds the current filter on the table */  import schmitzm.geotools.gui.FeatureCollectionTableModel;
48    protected Filter filter = null;  import skrueger.AttributeMetadata;
49    import skrueger.AttributeMetadataImpl;
50    /**  
51     * Creates a new table model for a styled map.  import com.vividsolutions.jts.geom.Envelope;
52     * @param map the styled map  
53     */  /**
54    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * This class extends the the {@link FeatureCollectionTableModel} with the
55      this(map,Filter.INCLUDE);   * functionalities of the {@link AttributeMetadataImpl}.
56    }   * <ul>
57     * <li>column names are translated according to
58    /**   * {@link AttributeMetadataImpl#getTitle()}</li>
59     * Creates a new table model for a styled map.   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
60     * @param map the styled map   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
61     * @param filter filter applied to the table   * applied.</li>
62     */   * </ul>
63    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {   *
64      super();   * @author Stefan A. Krüger
65      setFeatureCollection(map, filter);   */
66    }  public class StyledFeatureCollectionTableModel extends
67                    FeatureCollectionTableModel {
68    /**          final static private Logger LOGGER = Logger
69     * Creates a new table model for a styled map.                          .getLogger(StyledFeatureCollectionTableModel.class);
70     * @param map the styled map          /** Contains the complete {@link AttributeMetadataImpl}-Map of the styled layer. */
71     */          protected AttributeMetadataMap<? extends AttributeMetadata> amdMap = null;
72    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {          /** Holds the current filter on the table */
73      this(map,Filter.INCLUDE);          protected Filter filter = null;
74    }          /** Holds the Bounds for all features. Only set once during the constructor **/
75            protected Envelope bounds;
76    /**          /**
77     * Creates a new table model for a styled map.           * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
78     * @param map the styled map           * {@link #reorganize} befuellt.
79     * @param filter filter applied to the table           */
80     */          protected String[] colTooltips = null;
81    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {  
82      super();          /** A cache for the #sortedValuesVisibleOnly() **/
83      setFeatureCollection(map, filter);          protected List<? extends AttributeMetadata> amdMapVisibleOnly = null;
84    }  
85            /**
86    /**           * Creates a new table model for a styled layer.
87     * Sets a new data source for the table.           *
88     * @param fs     the feature source           * @param styledFeatures
89     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           *            the styled layer
90     *               and translation           * @param filter
91     */           *            filter applied to the table
92    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {           */
93      if ( filter == null )          public StyledFeatureCollectionTableModel(
94        filter = Filter.INCLUDE;                          StyledFeaturesInterface<?> styledFeatures) {
95                    setStyledFeatures(styledFeatures);
96      this.featureSource = fs;          }
97      this.filter        = filter;  
98      this.visibleAMD    = null;          /**
99                 * This overwritten method filters the values for NODATA-values defined in
100      FeatureCollection fc = null;           * the {@link AttributeMetadataImpl}
101      if (fs != null) {           */
102        Query query = new DefaultQuery();          @Override
103        if (amd != null) {          public Object getValueAt(int row, int col) {
104          // determine the names of the visible Attributes                  Object rawValue = super.getValueAt(row, col);
105          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);                  return amdMap.sortedValuesVisibleOnly().get(col).fiterNodata(rawValue);
106          Vector<String> visibleAttrNames = new Vector<String>();          }
107          // Add the column with the geometry (usually "the_geom")          
108          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());          /**
109          for (int attrIdx : visibleAMD.keySet())           * Sets a new data source for the table.
110            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());           *
111             * @param fs
112          // create a query for the visible attributes           *            the feature source
113          String[] properties = visibleAttrNames.toArray(new String[0]);           * @param amdm
114          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);           *            {@link AttributeMetadataImpl}-Map to define the visible attributes
115        }           *            and translation
116        fc = fs.getFeatures(query);           */
117      }          protected void setFeatureSource(
118      setFeatureCollection(fc);                          FeatureSource<SimpleFeatureType, SimpleFeature> fs,
119    }                          AttributeMetadataMap<? extends AttributeMetadata> amdm, Filter filter) throws Exception {
120    
121    /**                  if (filter == null)
122     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                          filter = Filter.INCLUDE;
123     * and sets this as the new data source for the table.  
124     * @param fs     the feature source                  // this.featureSource = fs;
125     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                  this.filter = filter;
126     *               and translation                  this.amdMap = amdm;
127     */                  this.amdMapVisibleOnly = amdMap.sortedValuesVisibleOnly();
128    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {  
129      this.map = map;                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
130      try {                  if (fs != null) {
131        if (map == null)  
132          setFeatureSource(null, null, null);                          bounds = fs.getBounds();
133        else {  
134          FeatureCollection fc = map.getGeoObject();                          final SimpleFeatureType schema = fs.getSchema();
135          String fcName = fc.getFeatureType().getTypeName();                          Query query = new DefaultQuery(schema.getTypeName(), filter);
136          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                          if (amdm != null) {
137          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                                  Vector<String> visibleAttrNames = new Vector<String>();
138        }  
139      } catch (Exception err) {                                  // Add the column with the geometry (usually "the_geom") always
140        throw new RuntimeException(err);                                  visibleAttrNames.add(schema.getGeometryDescriptor()
141      }                                                  .getLocalName());
142    }  
143                                    // Add other visible attributes as ordered by weights
144    /**                                  for (AttributeMetadata a : amdMapVisibleOnly) {
145     * Sets the {@code StyledFeatureCollection} as new data source for the table.                                          visibleAttrNames.add(a.getLocalName());
146     * @param fs     the feature source                                  }
147     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes  
148     *               and translation                                  // Tested with 2.6.x trunk from 2009-11-26 and it now works. So
149     */                                  // we only request the properties we need!
150    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {                                  // /**
151      this.map = map;                                  // * I got NPEs when properties contained only [the_geom]
152      try {                                  // ?!??!!??
153        if (map == null)                                  // */
154          setFeatureSource(null, null, null);                                  // if (properties.length > 1) {
155        else                                  query = new DefaultQuery(schema.getTypeName(), filter,
156          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                                                  visibleAttrNames.toArray(new String[] {}));
157      } catch (Exception err) {                                  // } else {
158        throw new RuntimeException(err);                                  // query = new DefaultQuery(schema.getTypeName(), filter);
159      }                                  // }
160    }                          }
161                              fc = fs.getFeatures(query);
162    /**                  }
163     * Resets the filter for the table.                  setFeatureCollection(fc);
164     * @param filter a filter          }
165     */  
166    public void setFilter(Filter filter) {          /**
167      try{           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
168        setFeatureSource(this.featureSource, this.visibleAMD, filter);           * and sets this as the new data source for the table.
169      } catch (Exception err) {           *
170        throw new RuntimeException(err);           * @param fs
171      }           *            the feature source
172    }           * @param amd
173             *            {@link AttributeMetadataImpl}-Map to define the visible attributes
174    /**           *            and translation
175     * After calling {@code super.reorganize(.)} this method replaced the           */
176     * column descriptions with the titles of the {@code AttributeMetaData}.          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
177     * @param fireTableStructureChanged indicates whether a table event is                  try {
178     *        initiated after reorganize                          if (styledFeatures == null)
179     */                                  setFeatureSource(null, null, null);
180    @Override                          else {
181    protected void reorganize(boolean fireTableStructureChanged) {                                  setFeatureSource(styledFeatures.getFeatureSource(),
182      super.reorganize(false);                                                  styledFeatures.getAttributeMetaDataMap(),
183      // translate the column names                                                  styledFeatures.getFilter());
184      if (visibleAMD != null) {                          }
185        Iterator<Integer> keys = visibleAMD.keySet().iterator();                  } catch (Exception err) {
186        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                          throw new RuntimeException(err);
187          Translation title = visibleAMD.get(keys.next()).getTitle();                  }
188          if (!I8NUtil.isEmpty(title)) {          }
189            System.out.println("set colname " + i + " to " + title.toString());  
190            colNames[i] = title.toString();          /**
191          }           * After calling {@code super.reorganize(.)} this method replaced the column
192        }           * descriptions with the titles of the {@code AttributeMetaData}.
193      }           *
194      if ( fireTableStructureChanged )           * @param fireTableStructureChanged
195        fireTableStructureChanged();           *            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 (AttributeMetadata 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                                    AttributeMetadata 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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