/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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revision 59 by mojays, Fri Apr 17 17:26:58 2009 UTC revision 685 by alfonx, Wed Feb 10 15:04:02 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    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */  import schmitzm.geotools.gui.FeatureCollectionTableModel;
48    protected Map<Integer, AttributeMetaData> origAMD = null;  import skrueger.AttributeMetadata;
49    /** Holds the current filter on the table */  
50    protected Filter filter = null;  import com.vividsolutions.jts.geom.Envelope;
51    
52    /**  /**
53     * Creates a new table model for a styled map.   * This class extends the the {@link FeatureCollectionTableModel} with the
54     * @param map the styled map   * functionalities of the {@link AttributeMetadata}.
55     */   * <ul>
56    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * <li>column names are translated according to
57      this(map,Filter.INCLUDE);   * {@link AttributeMetadata#getTitle()}</li>
58    }   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
59     * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
60    /**   * applied.</li>
61     * Creates a new table model for a styled map.   * </ul>
62     * @param map the styled map   *
63     * @param filter filter applied to the table   * @author Stefan A. Krüger
64     */   */
65    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {  public class StyledFeatureCollectionTableModel extends
66      super();                  FeatureCollectionTableModel {
67      setFeatureCollection(map, filter);          final static private Logger LOGGER = Logger
68    }                          .getLogger(StyledFeatureCollectionTableModel.class);
69            /** Contains the complete {@link AttributeMetadata}-Map of the styled layer. */
70    /**          protected AttributeMetadataMap amdMap = null;
71     * Creates a new table model for a styled map.          /** Holds the current filter on the table */
72     * @param map the styled map          protected Filter filter = null;
73     */          /** Holds the Bounds for all features. Only set once during the constructor **/
74    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {          protected Envelope bounds;
75      this(map,Filter.INCLUDE);          /**
76    }           * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
77             * {@link #reorganize} befuellt.
78    /**           */
79     * Creates a new table model for a styled map.          protected String[] colTooltips = null;
80     * @param map the styled map  
81     * @param filter filter applied to the table          /** A cache for the #sortedValuesVisibleOnly() **/
82     */          protected List<AttributeMetadata> amdMapVisibleOnly = null;
83    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {  
84      super();          /**
85      setFeatureCollection(map, filter);           * Creates a new table model for a styled layer.
86    }           *
87             * @param styledFeatures
88    /**           *            the styled layer
89     * Sets a new data source for the table.           * @param filter
90     * @param fs     the feature source           *            filter applied to the table
91     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           */
92     *               and translation          public StyledFeatureCollectionTableModel(
93     */                          StyledFeaturesInterface<?> styledFeatures) {
94    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {                  setStyledFeatures(styledFeatures);
95      if ( filter == null )          }
96        filter = Filter.INCLUDE;  
97            /**
98      this.featureSource = fs;           * This overwritten method filters the values for NODATA-values defined in
99      this.filter        = filter;           * the {@link AttributeMetadata}
100      this.origAMD       = amd;           */
101      this.visibleAMD    = null;          @Override
102                public Object getValueAt(int row, int col) {
103      FeatureCollection fc = null;                  Object rawValue = super.getValueAt(row, col);
104      if (fs != null) {                  return amdMap.sortedValuesVisibleOnly().get(col).fiterNodata(rawValue);
105        Query query = new DefaultQuery();          }
106        if (amd != null) {          
107          // determine the names of the visible Attributes          /**
108          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);           * Sets a new data source for the table.
109          Vector<String> visibleAttrNames = new Vector<String>();           *
110          // Add the column with the geometry (usually "the_geom")           * @param fs
111          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());           *            the feature source
112          for (int attrIdx : visibleAMD.keySet())           * @param amdm
113            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());           *            {@link AttributeMetadata}-Map to define the visible attributes
114             *            and translation
115          // create a query for the visible attributes           */
116          String[] properties = visibleAttrNames.toArray(new String[0]);          protected void setFeatureSource(
117          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);                          FeatureSource<SimpleFeatureType, SimpleFeature> fs,
118        }                          AttributeMetadataMap amdm, Filter filter) throws Exception {
119        fc = fs.getFeatures(query);  
120      }                  if (filter == null)
121      setFeatureCollection(fc);                          filter = Filter.INCLUDE;
122    }  
123                    // this.featureSource = fs;
124    /**                  this.filter = filter;
125     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                  this.amdMap = amdm;
126     * and sets this as the new data source for the table.                  this.amdMapVisibleOnly = amdMap.sortedValuesVisibleOnly();
127     * @param fs     the feature source  
128     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
129     *               and translation                  if (fs != null) {
130     */  
131    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                          bounds = fs.getBounds();
132      this.map = map;  
133      try {                          final SimpleFeatureType schema = fs.getSchema();
134        if (map == null)                          Query query = new DefaultQuery(schema.getTypeName(), filter);
135          setFeatureSource(null, null, null);                          if (amdm != null) {
136        else {                                  Vector<String> visibleAttrNames = new Vector<String>();
137          FeatureCollection fc = map.getGeoObject();  
138          String fcName = fc.getFeatureType().getTypeName();                                  // Add the column with the geometry (usually "the_geom") always
139          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                                  visibleAttrNames.add(schema.getGeometryDescriptor()
140          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                                                  .getLocalName());
141        }  
142      } catch (Exception err) {                                  // Add other visible attributes as ordered by weights
143        throw new RuntimeException(err);                                  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     * Sets the {@code StyledFeatureCollection} as new data source for the table.                                  // we only request the properties we need!
149     * @param fs     the feature source                                  // /**
150     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                  // * I got NPEs when properties contained only [the_geom]
151     *               and translation                                  // ?!??!!??
152     */                                  // */
153    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {                                  // if (properties.length > 1) {
154      this.map = map;                                  query = new DefaultQuery(schema.getTypeName(), filter,
155      try {                                                  visibleAttrNames.toArray(new String[] {}));
156        if (map == null)                                  // } else {
157          setFeatureSource(null, null, null);                                  // query = new DefaultQuery(schema.getTypeName(), filter);
158        else                                  // }
159          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                          }
160      } catch (Exception err) {                          fc = fs.getFeatures(query);
161        throw new RuntimeException(err);                  }
162      }                  setFeatureCollection(fc);
163    }          }
164      
165    /**          /**
166     * Resets the filter for the table.           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
167     * @param filter a filter           * and sets this as the new data source for the table.
168     */           *
169    public void setFilter(Filter filter) {           * @param fs
170      try{           *            the feature source
171        setFeatureSource(this.featureSource, this.origAMD, filter);           * @param amd
172      } catch (Exception err) {           *            {@link AttributeMetadata}-Map to define the visible attributes
173        throw new RuntimeException(err);           *            and translation
174      }           */
175    }          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
176                    try {
177    /**                          if (styledFeatures == null)
178     * After calling {@code super.reorganize(.)} this method replaced the                                  setFeatureSource(null, null, null);
179     * column descriptions with the titles of the {@code AttributeMetaData}.                          else {
180     * @param fireTableStructureChanged indicates whether a table event is                                  setFeatureSource(styledFeatures.getFeatureSource(),
181     *        initiated after reorganize                                                  styledFeatures.getAttributeMetaDataMap(),
182     */                                                  styledFeatures.getFilter());
183    @Override                          }
184    protected void reorganize(boolean fireTableStructureChanged) {                  } catch (Exception err) {
185      super.reorganize(false);                          throw new RuntimeException(err);
186      // translate the column names                  }
187      if (visibleAMD != null) {          }
188        Iterator<Integer> keys = visibleAMD.keySet().iterator();  
189        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {          /**
190          Translation title = visibleAMD.get(keys.next()).getTitle();           * After calling {@code super.reorganize(.)} this method replaced the column
191          if (!I8NUtil.isEmpty(title)) {           * descriptions with the titles of the {@code AttributeMetaData}.
192            System.out.println("set colname " + i + " to " + title.toString());           *
193            colNames[i] = title.toString();           * @param fireTableStructureChanged
194          }           *            indicates whether a table event is initiated after reorganize
195        }           */
196      }          @Override
197      if ( fireTableStructureChanged )          protected void reorganize(boolean fireTableStructureChanged) {
198        fireTableStructureChanged();  
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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