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