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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 145 by alfonx, Thu Jun 18 00:28:28 2009 UTC branches/1.0-gt2-2.6/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 428 by alfonx, Sun Oct 4 14:28:07 2009 UTC
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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     * as published by the Free Software Foundation; either version 3
14  import java.util.Iterator;   * of the License, or (at your option) any later version.
15  import java.util.Map;   *
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.apache.log4j.Logger;   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  import org.geotools.data.DefaultQuery;   * GNU General Public License for more details.
20  import org.geotools.data.FeatureSource;   *
21  import org.geotools.data.Query;   * You should have received a copy of the GNU Lesser General Public License (license.txt)
22  import org.geotools.data.memory.MemoryDataStore;   * along with this program; if not, write to the Free Software
23  import org.geotools.feature.FeatureCollection;   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
24  import org.opengis.filter.Filter;   * or try this link: http://www.gnu.org/licenses/lgpl.html
25     *
26  import schmitzm.geotools.gui.FeatureCollectionTableModel;   * Contributors:
27  import skrueger.AttributeMetaData;   *     Martin O. J. Schmitz - initial API and implementation
28  import skrueger.i8n.I8NUtil;   *     Stefan A. Krüger - additional utility classes
29  import skrueger.i8n.Translation;   ******************************************************************************/
30    package skrueger.geotools;
31  import com.vividsolutions.jts.geom.Envelope;  
32    import java.util.Iterator;
33  /**  import java.util.Map;
34   * This class extends the the {@link FeatureCollectionTableModel} with the  import java.util.Vector;
35   * functionalities of the {@link AttributeMetaData} of  
36   * {@linkplain StyledMapInterface styled objects}.  import org.apache.log4j.Logger;
37   * <ul>  import org.geotools.data.DefaultQuery;
38   *   <li>column names are translated according to {@link AttributeMetaData#getTitle()}</li>  import org.geotools.data.FeatureSource;
39   *   <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  import org.geotools.data.Query;
40   * </ul>  import org.geotools.feature.FeatureCollection;
41   * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)  import org.opengis.feature.simple.SimpleFeature;
42   */  import org.opengis.feature.simple.SimpleFeatureType;
43  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {  import org.opengis.feature.type.AttributeDescriptor;
44    final static private Logger LOGGER = Logger.getLogger(StyledFeatureCollectionTableModel.class);  import org.opengis.filter.Filter;
45    /** Holds the data source as styled map. */  
46    protected StyledMapInterface<?> map = null;  import schmitzm.geotools.gui.FeatureCollectionTableModel;
47    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  import skrueger.AttributeMetaData;
48    protected Map<Integer, AttributeMetaData> visibleAMD = null;  import skrueger.i8n.I8NUtil;
49    /** Holds the data source for the table as {@code FeatureSource}. */  import skrueger.i8n.Translation;
50    protected FeatureSource featureSource = null;  
51    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */  import com.vividsolutions.jts.geom.Envelope;
52    protected Map<Integer, AttributeMetaData> origAMD = null;  
53    /** Holds the current filter on the table */  /**
54    protected Filter filter = null;   * This class extends the the {@link FeatureCollectionTableModel} with the
55    /** Holds the Bounds for all features. Only set once during the constructor **/   * functionalities of the {@link AttributeMetaData}.
56    protected Envelope bounds;   * <ul>
57     * <li>column names are translated according to
58    /**   * {@link AttributeMetaData#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 applied.</li>
61     */   * </ul>
62    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   *
63      this(map,Filter.INCLUDE);   * @author Stefan A. Krüger
64    }   */
65    public class StyledFeatureCollectionTableModel extends
66    /**                  FeatureCollectionTableModel {
67     * Creates a new table model for a styled map.          final static private Logger LOGGER = Logger
68     * @param map the styled map                          .getLogger(StyledFeatureCollectionTableModel.class);
69     * @param filter filter applied to the table          /** Contains only the visible elements of the {@link AttributeMetaData}-Map */
70     */          protected Map<Integer, AttributeMetaData> visibleAMD = null;
71    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {  //      /** Holds the data source for the table as {@code FeatureSource}. */
72      super();  //      protected FeatureSource featureSource = null;
73      setFeatureCollection(map, filter);          /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */
74    }          protected Map<Integer, AttributeMetaData> origAMD = null;
75            /** Holds the current filter on the table */
76    /**          protected Filter filter = null;
77     * Creates a new table model for a styled map.          /** Holds the Bounds for all features. Only set once during the constructor **/
78     * @param map the styled map          protected Envelope bounds;
79     */  
80    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {          
81      this(map,Filter.INCLUDE);          /**
82    }           * Creates a new table model for a styled layer.
83             *
84    /**           * @param styledFeatures
85     * Creates a new table model for a styled map.           *            the styled layer
86     * @param map the styled map           * @param filter
87     * @param filter filter applied to the table           *            filter applied to the table
88     */           */
89    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {          public StyledFeatureCollectionTableModel(StyledFeaturesInterface<?> styledFeatures) {
90      super();                  setStyledFeatures(styledFeatures);
91      setFeatureCollection(map, filter);          }
92    }  
93            /**
94    /**           * Sets a new data source for the table.
95     * Sets a new data source for the table.           *
96     * @param fs     the feature source           * @param fs
97     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           *            the feature source
98     *               and translation           * @param amd
99     */           *            {@link AttributeMetaData}-Map to define the visible attributes
100    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {           *            and translation
101      if ( filter == null )           */
102        filter = Filter.INCLUDE;          protected void setFeatureSource(FeatureSource<SimpleFeatureType, SimpleFeature> fs,
103                                Map<Integer, AttributeMetaData> amd, Filter filter)
104      this.featureSource = fs;                          throws Exception {
105      this.filter        = filter;                  
106      this.origAMD       = amd;                  if (filter == null)
107      this.visibleAMD    = null;                          filter = Filter.INCLUDE;
108        
109      FeatureCollection fc = null;  //              this.featureSource = fs;
110      if (fs != null) {                  this.filter = filter;
111                            this.origAMD = amd;
112         bounds = fs.getBounds();                  this.visibleAMD = null;
113            
114        Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter);                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
115        if (amd != null) {                  if (fs != null) {
116          // determine the names of the visible Attributes  
117          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);                          bounds = fs.getBounds();
118          Vector<String> visibleAttrNames = new Vector<String>();  
119          // Add the column with the geometry (usually "the_geom")                          Query query = new DefaultQuery(fs.getSchema().getName().getLocalPart(), filter);
120          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());                          if (amd != null) {
121          for (int attrIdx : visibleAMD.keySet())                                  // determine the names of the visible Attributes
122            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());                                  this.visibleAMD = StyledLayerUtil.getVisibleAttributeMetaData(
123                                                    amd, true);
124          // create a query for the visible attributes                                  Vector<String> visibleAttrNames = new Vector<String>();
125          String[] properties = visibleAttrNames.toArray(new String[0]);                                  // Add the column with the geometry (usually "the_geom")
126                                            visibleAttrNames.add(fs.getSchema().getGeometryDescriptor()
127          LOGGER.debug("Query contains the following attributes: " + visibleAttrNames);                                                  .getLocalName());
128                                            for (int attrIdx : visibleAMD.keySet()) {
129          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);  
130        }                                          /**
131        fc = fs.getFeatures(query);                                           * If the user removed columns from the schema of the DBF
132                                             * file, there might exist AttributeMetaData for columns
133  // FAILS:!!!, even with  query = new DefaultQuery(fs.getSchema().getTypeName(), filter);                                           * that don't exists. We check here to avoid an
134                          // java.lang.UnsupportedOperationException: Unknown feature                                           * ArrayOutOfIndex.
135                          // attribute: PQM_MOD                                           */
136                          // at                                          if (attrIdx < fs.getSchema().getAttributeCount()) {
137                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)                                                  final AttributeDescriptor attributeTypeAtIdx = fs.getSchema()
138                          // bounds = fc.getBounds();                                                                  .getAttributeDescriptors().get(attrIdx);
139                          // SK, 17.4.2009                                                  visibleAttrNames.add(attributeTypeAtIdx.getLocalName());
140                          //                                                } else {
141                          // System.out.println("Filter = "+filter);                                                  LOGGER.warn("AttributeMetaData has been found for columnIdx="+attrIdx+", but fs.getSchema().getAttributeCount() = "+fs.getSchema().getAttributeCount()+". Ignored.");
142                          // System.out.println("Size of FC = "+fc.size());                                          }
143                          // System.out.println("anz att= "+fc.getNumberOfAttributes());                                  }
144      }  
145      setFeatureCollection(fc);                                  // create a query for the visible attributes
146    }                                  String[] properties = visibleAttrNames.toArray(new String[0]);
147    
148    /**                                  LOGGER.debug("Query contains the following attributes: "
149     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                                                  + visibleAttrNames);
150     * and sets this as the new data source for the table.  
151     * @param fs     the feature source                                  query = new DefaultQuery(fs.getSchema().getTypeName(), filter,
152     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                                  properties);
153     *               and translation                          }
154     */                          fc = fs.getFeatures(query);
155    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                  }
156      this.map = map;                  setFeatureCollection(fc);
157      try {          }
158        if (map == null)  
159          setFeatureSource(null, null, null);          /**
160        else {           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
161          FeatureCollection fc = map.getGeoObject();           * and sets this as the new data source for the table.
162          String fcName = fc.getSchema().getTypeName();           *
163          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);           * @param fs
164          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);           *            the feature source
165        }           * @param amd
166      } catch (Exception err) {           *            {@link AttributeMetaData}-Map to define the visible attributes
167        throw new RuntimeException(err);           *            and translation
168      }           */
169    }          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
170                    try {
171    /**                          if (styledFeatures == null)
172     * Sets the {@code StyledFeatureCollection} as new data source for the table.                                  setFeatureSource(null, null, null);
173     * @param fs     the feature source                          else {
174     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                  setFeatureSource(styledFeatures.getFeatureSource(), styledFeatures.getAttributeMetaDataMap(), styledFeatures.getFilter());
175     *               and translation                          }
176     */                  } catch (Exception err) {
177    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {                          throw new RuntimeException(err);
178      this.map = map;                  }
179      try {          }
180        if (map == null)  
181          setFeatureSource(null, null, null);          /**
182        else           * After calling {@code super.reorganize(.)} this method replaced the column
183          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);           * descriptions with the titles of the {@code AttributeMetaData}.
184      } catch (Exception err) {           *
185        throw new RuntimeException(err);           * @param fireTableStructureChanged
186      }           *            indicates whether a table event is initiated after reorganize
187    }           */
188              @Override
189    /**          protected void reorganize(boolean fireTableStructureChanged) {
190     * Resets the filter for the table.                  super.reorganize(false);
191     * @param filter a filter                  // translate the column names
192     */                  if (visibleAMD != null) {
193    public void setFilter(Filter filter) {                          Iterator<Integer> keys = visibleAMD.keySet().iterator();
194      try{                          for (int i = 0; i < colNames.length && keys.hasNext(); i++) {
195        setFeatureSource(this.featureSource, this.origAMD, filter);                                  Translation title = visibleAMD.get(keys.next()).getTitle();
196      } catch (Exception err) {                                  if (!I8NUtil.isEmpty(title)) {
197          LOGGER.error("Setting the filter of the table model", err);                                          // System.out.println("set colname " + i + " to " +
198        throw new RuntimeException(err);                                          // title.toString());
199      }                                          colNames[i] = title.toString();
200    }                                  }
201                              }
202    /**                  }
203     * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the Features                  if (fireTableStructureChanged)
204     */                          fireTableStructureChanged();
205    public Filter getFilter() {          }
206            return this.filter;  
207    }          /**
208             * @return Cached bounds for the whole dataset (without applying the filter)
209    /**           *         or <code>null</code>
210     * After calling {@code super.reorganize(.)} this method replaced the           */
211     * column descriptions with the titles of the {@code AttributeMetaData}.          public Envelope getBounds() {
212     * @param fireTableStructureChanged indicates whether a table event is                  return bounds;
213     *        initiated after reorganize          }
214     */  }
   @Override  
   protected void reorganize(boolean fireTableStructureChanged) {  
     super.reorganize(false);  
     // translate the column names  
     if (visibleAMD != null) {  
       Iterator<Integer> keys = visibleAMD.keySet().iterator();  
       for (int i = 0; i < colNames.length && keys.hasNext(); i++) {  
         Translation title = visibleAMD.get(keys.next()).getTitle();  
         if (!I8NUtil.isEmpty(title)) {  
 //          System.out.println("set colname " + i + " to " + title.toString());  
           colNames[i] = title.toString();  
         }  
       }  
     }  
     if ( fireTableStructureChanged )  
       fireTableStructureChanged();  
   }  
   
   /**  
          * @return Cached bounds for the whole dataset (without applying the  
          *          filter) or <code>null</code>  
          */  
         public Envelope getBounds() {  
                 return bounds;  
         }  
 }  

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