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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 62 by alfonx, Fri Apr 17 18:56:17 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  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 com.vividsolutions.jts.geom.Envelope;   *
26     * Contributors:
27  import schmitzm.geotools.gui.FeatureCollectionTableModel;   *     Martin O. J. Schmitz - initial API and implementation
28  import skrueger.AttributeMetaData;   *     Stefan A. Krüger - additional utility classes
29  import skrueger.i8n.I8NUtil;   ******************************************************************************/
30  import skrueger.i8n.Translation;  package skrueger.geotools;
31    
32  /**  import java.util.Iterator;
33   * This class extends the the {@link FeatureCollectionTableModel} with the  import java.util.Map;
34   * functionalities of the {@link AttributeMetaData} of  import java.util.Vector;
35   * {@linkplain StyledMapInterface styled objects}.  
36   * <ul>  import org.apache.log4j.Logger;
37   *   <li>column names are translated according to {@link AttributeMetaData#getTitle()}</li>  import org.geotools.data.DefaultQuery;
38   *   <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  import org.geotools.data.FeatureSource;
39   * </ul>  import org.geotools.data.Query;
40   * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)  import org.geotools.feature.FeatureCollection;
41   */  import org.opengis.feature.simple.SimpleFeature;
42  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {  import org.opengis.feature.simple.SimpleFeatureType;
43    /** Holds the data source as styled map. */  import org.opengis.feature.type.AttributeDescriptor;
44    protected StyledMapInterface map = null;  import org.opengis.filter.Filter;
45    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  
46    protected Map<Integer, AttributeMetaData> visibleAMD = null;  import schmitzm.geotools.gui.FeatureCollectionTableModel;
47    /** Holds the data source for the table as {@code FeatureSource}. */  import skrueger.AttributeMetaData;
48    protected FeatureSource featureSource = null;  import skrueger.i8n.I8NUtil;
49    /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */  import skrueger.i8n.Translation;
50    protected Map<Integer, AttributeMetaData> origAMD = null;  
51    /** Holds the current filter on the table */  import com.vividsolutions.jts.geom.Envelope;
52    protected Filter filter = null;  
53    /** Holds the Bounds for all features. Only set once during the constructor **/  /**
54    protected Envelope bounds;   * This class extends the the {@link FeatureCollectionTableModel} with the
55     * functionalities of the {@link AttributeMetaData}.
56    /**   * <ul>
57     * Creates a new table model for a styled map.   * <li>column names are translated according to
58     * @param map the styled map   * {@link AttributeMetaData#getTitle()}</li>
59     */   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
60    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be applied.</li>
61      this(map,Filter.INCLUDE);   * </ul>
62    }   *
63     * @author Stefan A. Krüger
64    /**   */
65     * Creates a new table model for a styled map.  public class StyledFeatureCollectionTableModel extends
66     * @param map the styled map                  FeatureCollectionTableModel {
67     * @param filter filter applied to the table          final static private Logger LOGGER = Logger
68     */                          .getLogger(StyledFeatureCollectionTableModel.class);
69    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {          /** Contains only the visible elements of the {@link AttributeMetaData}-Map */
70      super();          protected Map<Integer, AttributeMetaData> visibleAMD = null;
71      setFeatureCollection(map, filter);  //      /** Holds the data source for the table as {@code FeatureSource}. */
72    }  //      protected FeatureSource featureSource = null;
73            /** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */
74    /**          protected Map<Integer, AttributeMetaData> origAMD = null;
75     * Creates a new table model for a styled map.          /** Holds the current filter on the table */
76     * @param map the styled map          protected Filter filter = null;
77     */          /** Holds the Bounds for all features. Only set once during the constructor **/
78    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {          protected Envelope bounds;
79      this(map,Filter.INCLUDE);  
80    }          
81            /**
82    /**           * Creates a new table model for a styled layer.
83     * Creates a new table model for a styled map.           *
84     * @param map the styled map           * @param styledFeatures
85     * @param filter filter applied to the table           *            the styled layer
86     */           * @param filter
87    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {           *            filter applied to the table
88      super();           */
89      setFeatureCollection(map, filter);          public StyledFeatureCollectionTableModel(StyledFeaturesInterface<?> styledFeatures) {
90    }                  setStyledFeatures(styledFeatures);
91            }
92    /**  
93     * Sets a new data source for the table.          /**
94     * @param fs     the feature source           * Sets a new data source for the table.
95     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           *
96     *               and translation           * @param fs
97     */           *            the feature source
98    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {           * @param amd
99      if ( filter == null )           *            {@link AttributeMetaData}-Map to define the visible attributes
100        filter = Filter.INCLUDE;           *            and translation
101                 */
102      this.featureSource = fs;          protected void setFeatureSource(FeatureSource<SimpleFeatureType, SimpleFeature> fs,
103      this.filter        = filter;                          Map<Integer, AttributeMetaData> amd, Filter filter)
104      this.origAMD       = amd;                          throws Exception {
105      this.visibleAMD    = null;                  
106                        if (filter == null)
107      FeatureCollection fc = null;                          filter = Filter.INCLUDE;
108      if (fs != null) {  
109            //              this.featureSource = fs;
110         bounds = fs.getBounds();                  this.filter = filter;
111                            this.origAMD = amd;
112        Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter);                  this.visibleAMD = null;
113        if (amd != null) {  
114          // determine the names of the visible Attributes                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
115          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);                  if (fs != null) {
116          Vector<String> visibleAttrNames = new Vector<String>();  
117          // Add the column with the geometry (usually "the_geom")                          bounds = fs.getBounds();
118          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());  
119          for (int attrIdx : visibleAMD.keySet())                          Query query = new DefaultQuery(fs.getSchema().getName().getLocalPart(), filter);
120            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());                          if (amd != null) {
121                                    // determine the names of the visible Attributes
122          // create a query for the visible attributes                                  this.visibleAMD = StyledLayerUtil.getVisibleAttributeMetaData(
123          String[] properties = visibleAttrNames.toArray(new String[0]);                                                  amd, true);
124                                            Vector<String> visibleAttrNames = new Vector<String>();
125          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);                                  // Add the column with the geometry (usually "the_geom")
126        }                                  visibleAttrNames.add(fs.getSchema().getGeometryDescriptor()
127        fc = fs.getFeatures(query);                                                  .getLocalName());
128                                    for (int attrIdx : visibleAMD.keySet()) {
129  // FAILS:!!!, even with  query = new DefaultQuery(fs.getSchema().getTypeName(), filter);  
130                          // java.lang.UnsupportedOperationException: Unknown feature                                          /**
131                          // attribute: PQM_MOD                                           * If the user removed columns from the schema of the DBF
132                          // at                                           * file, there might exist AttributeMetaData for columns
133                          // schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93)                                           * that don't exists. We check here to avoid an
134                          // bounds = fc.getBounds();                                           * ArrayOutOfIndex.
135                          // SK, 17.4.2009                                           */
136                          //                                                if (attrIdx < fs.getSchema().getAttributeCount()) {
137                          // System.out.println("Filter = "+filter);                                                  final AttributeDescriptor attributeTypeAtIdx = fs.getSchema()
138                          // System.out.println("Size of FC = "+fc.size());                                                                  .getAttributeDescriptors().get(attrIdx);
139                          // System.out.println("anz att= "+fc.getNumberOfAttributes());                                                  visibleAttrNames.add(attributeTypeAtIdx.getLocalName());
140      }                                          } else {
141      setFeatureCollection(fc);                                                  LOGGER.warn("AttributeMetaData has been found for columnIdx="+attrIdx+", but fs.getSchema().getAttributeCount() = "+fs.getSchema().getAttributeCount()+". Ignored.");
142    }                                          }
143                                    }
144    /**  
145     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                                  // create a query for the visible attributes
146     * and sets this as the new data source for the table.                                  String[] properties = visibleAttrNames.toArray(new String[0]);
147     * @param fs     the feature source  
148     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                  LOGGER.debug("Query contains the following attributes: "
149     *               and translation                                                  + visibleAttrNames);
150     */  
151    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                                  query = new DefaultQuery(fs.getSchema().getTypeName(), filter,
152      this.map = map;                                                  properties);
153      try {                          }
154        if (map == null)                          fc = fs.getFeatures(query);
155          setFeatureSource(null, null, null);                  }
156        else {                  setFeatureCollection(fc);
157          FeatureCollection fc = map.getGeoObject();          }
158          String fcName = fc.getFeatureType().getTypeName();  
159          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);          /**
160          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
161        }           * and sets this as the new data source for the table.
162      } catch (Exception err) {           *
163        throw new RuntimeException(err);           * @param fs
164      }           *            the feature source
165    }           * @param amd
166             *            {@link AttributeMetaData}-Map to define the visible attributes
167    /**           *            and translation
168     * Sets the {@code StyledFeatureCollection} as new data source for the table.           */
169     * @param fs     the feature source          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
170     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                  try {
171     *               and translation                          if (styledFeatures == null)
172     */                                  setFeatureSource(null, null, null);
173    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {                          else {
174      this.map = map;                                  setFeatureSource(styledFeatures.getFeatureSource(), styledFeatures.getAttributeMetaDataMap(), styledFeatures.getFilter());
175      try {                          }
176        if (map == null)                  } catch (Exception err) {
177          setFeatureSource(null, null, null);                          throw new RuntimeException(err);
178        else                  }
179          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);          }
180      } catch (Exception err) {  
181        throw new RuntimeException(err);          /**
182      }           * After calling {@code super.reorganize(.)} this method replaced the column
183    }           * descriptions with the titles of the {@code AttributeMetaData}.
184               *
185    /**           * @param fireTableStructureChanged
186     * Resets the filter for the table.           *            indicates whether a table event is initiated after reorganize
187     * @param filter a filter           */
188     */          @Override
189    public void setFilter(Filter filter) {          protected void reorganize(boolean fireTableStructureChanged) {
190      try{                  super.reorganize(false);
191        setFeatureSource(this.featureSource, this.origAMD, filter);                  // translate the column names
192      } catch (Exception err) {                  if (visibleAMD != null) {
193        throw new RuntimeException(err);                          Iterator<Integer> keys = visibleAMD.keySet().iterator();
194      }                          for (int i = 0; i < colNames.length && keys.hasNext(); i++) {
195    }                                  Translation title = visibleAMD.get(keys.next()).getTitle();
196                                      if (!I8NUtil.isEmpty(title)) {
197    /**                                          // System.out.println("set colname " + i + " to " +
198     * @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the Features                                          // title.toString());
199     */                                          colNames[i] = title.toString();
200    public Filter getFilter() {                                  }
201            return this.filter;                          }
202    }                  }
203                    if (fireTableStructureChanged)
204    /**                          fireTableStructureChanged();
205     * After calling {@code super.reorganize(.)} this method replaced the          }
206     * column descriptions with the titles of the {@code AttributeMetaData}.  
207     * @param fireTableStructureChanged indicates whether a table event is          /**
208     *        initiated after reorganize           * @return Cached bounds for the whole dataset (without applying the filter)
209     */           *         or <code>null</code>
210    @Override           */
211    protected void reorganize(boolean fireTableStructureChanged) {          public Envelope getBounds() {
212      super.reorganize(false);                  return bounds;
213      // translate the column names          }
214      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();  
   }  
   
   /**  
          * @returns Cached bounds for the whole dataset (without applying the  
          *          filter) or <code>null</code>  
          */  
         public Envelope getBounds() {  
                 return bounds;  
         }  
 }  

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