/[schmitzm]/branches/2.1/src/skrueger/geotools/selection/ChartSelectionSynchronizer.java
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revision 131 by mojays, Sat May 30 19:58:13 2009 UTC revision 244 by alfonx, Wed Jul 29 09:33:33 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, focussing (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     * This program is free software; you can redistribute it and/or
12  package skrueger.geotools.selection;   * 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.beans.PropertyChangeEvent;   * of the License, or (at your option) any later version.
15  import java.beans.PropertyChangeListener;   *
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 javax.swing.JTable;   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  import javax.swing.ListSelectionModel;   * GNU General Public License for more details.
20  import javax.swing.event.ListSelectionListener;   *
21  import javax.swing.plaf.basic.BasicTreeUI.SelectionModelPropertyChangeHandler;   * You should have received a copy of the GNU Lesser General Public License (license.txt)
22     * along with this program; if not, write to the Free Software
23  import org.jfree.chart.JFreeChart;   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
24  import org.jfree.data.general.Dataset;   * or try this link: http://www.gnu.org/licenses/lgpl.html
25  import org.jfree.data.general.SeriesDataset;   *
26  import org.jfree.data.xy.XYSeriesCollection;   * Contributors:
27     *     Martin O. J. Schmitz - initial API and implementation
28  import schmitzm.geotools.gui.FeatureCollectionTableModel;   *     Stefan A. Krüger - additional utility classes
29  import schmitzm.jfree.chart.renderer.SelectionRenderer;   ******************************************************************************/
30  import schmitzm.jfree.chart.selection.DatasetSelectionListener;  package skrueger.geotools.selection;
31  import schmitzm.jfree.chart.selection.DatasetSelectionModel;  
32  import schmitzm.jfree.chart.selection.DatasetSelectionModelProvider;  import java.beans.PropertyChangeEvent;
33  import schmitzm.jfree.chart.selection.DatasetSelectionChangeEvent;  import java.beans.PropertyChangeListener;
34    import java.util.Vector;
35  /**  
36   * This class keeps the selection of a {@link Dataset} (based on feature  import org.jfree.data.general.Dataset;
37   * attributes) synchronized with the {@link StyledLayerSelectionModel} of a layer.  
38   * This is done by implementing:  import schmitzm.jfree.chart.renderer.SelectionRenderer;
39   * <ul>  import schmitzm.jfree.chart.selection.DatasetSelectionChangeEvent;
40   * <li>a {@link PropertyChangeListener} which listens to the  import schmitzm.jfree.chart.selection.DatasetSelectionListener;
41   * {@link StyledLayerSelectionModel} and accordingly changes the {@link SelectionRenderer}  import schmitzm.jfree.chart.selection.DatasetSelectionModel;
42   * selection</li>  import schmitzm.jfree.chart.selection.DatasetSelectionModelProvider;
43   * <li>a {@link DatasetSelectionModel} which listens to the {@link SelectionRenderer} and  import schmitzm.jfree.feature.FeatureDatasetSelectionModel;
44   * accordingly changes the {@link StyledLayerSelectionModel} selection</li>  
45   * </ul>  /**
46   * After creating, the instance of this synchronizer must be added as listener   * This class keeps the selection of a {@link Dataset} (based on feature
47   * to both, the {@link StyledLayerSelectionModel} and the chart's   * attributes) synchronized with the {@link StyledLayerSelectionModel} of a layer.
48   * {@link DatasetSelectionModel} (e.g. the renderer).   * This is done by implementing:
49   * @see DatasetSelectionModelProvider   * <ul>
50   * @author <a href="mailto:[email protected]">Martin Schmitz</a>   * <li>a {@link PropertyChangeListener} which listens to the
51   */   * {@link StyledLayerSelectionModel} and accordingly changes the {@link SelectionRenderer}
52  public class ChartSelectionSynchronizer extends StyledLayerSelectionModelSynchronizer<StyledFeatureLayerSelectionModel>   * selection</li>
53                                          implements DatasetSelectionListener {   * <li>a {@link DatasetSelectionModel} which listens to the {@link SelectionRenderer} and
54     * accordingly changes the {@link StyledLayerSelectionModel} selection</li>
55    /**   * </ul>
56     * Holds the chart datset to keep synchronized with the layer selection model.   * After creating, the instance of this synchronizer must be added as listener
57     */   * to both, the {@link StyledLayerSelectionModel} and the chart's
58    protected DatasetSelectionModel<?> datasetSelModel = null;   * {@link DatasetSelectionModel} (e.g. the renderer).
59     * @see DatasetSelectionModelProvider
60    /**   * @author <a href="mailto:[email protected]">Martin Schmitz</a>
61     * Creates a new synchronizer.   */
62     * @param layerSelModel  public class ChartSelectionSynchronizer extends StyledLayerSelectionModelSynchronizer<StyledFeatureLayerSelectionModel>
63     *             layer selection model to keep synchronized with the dataset                                          implements DatasetSelectionListener {
64     *             selection model  
65     * @param datasetSelModel    /** Holds the chart datset to keep synchronized with the layer selection model. */
66     *            dataset selection model to keep synchronized with the layer    protected FeatureDatasetSelectionModel<?> datasetSelModel = null;
67     *            selection model  
68     */    /**
69    public ChartSelectionSynchronizer(StyledFeatureLayerSelectionModel layerSelModel, DatasetSelectionModel<?> datasetSelModel) {     * Creates a new synchronizer.
70      super(layerSelModel);     * @param layerSelModel
71      this.datasetSelModel = datasetSelModel;     *             layer selection model to keep synchronized with the dataset
72    }     *             selection model
73       * @param datasetSelModel
74    /**     *            dataset selection model to keep synchronized with the layer
75     * Called by {@link StyledLayerSelectionModel} when a the selection on other     *            selection model
76     * selection components (map, table, ...) has changed. When calling this     */
77     * method changes the dataset selection according to the    public ChartSelectionSynchronizer(StyledFeatureLayerSelectionModel layerSelModel, FeatureDatasetSelectionModel<?> datasetSelModel) {
78     * {@link StyledLayerSelectionModel} selection.      super(layerSelModel);
79     * @param evt an event      this.datasetSelModel = datasetSelModel;
80     */    }
81    @Override  
82    public void propertyChange(PropertyChangeEvent evt) {    /**
83      if (!(evt instanceof StyledLayerSelectionEvent))     * Called by {@link StyledLayerSelectionModel} when the selection on other
84        return;     * selection components (map, table, ...) has changed. When calling this
85      StyledLayerSelectionEvent selEvt = (StyledLayerSelectionEvent) evt;     * method changes the dataset selection according to the
86      // Only react on own layer and ignore events invoked by     * {@link StyledLayerSelectionModel} selection.
87      // this component itself     * @param evt an event
88      if (selEvt.getEmitter() != layerSelModel || selectionChangeCausedByMe)     */
89          return;    @Override
90      // Apply new selection on chart (except this event is one of    public void propertyChange(PropertyChangeEvent evt) {
91      // some more events)      if (!(evt instanceof StyledLayerSelectionEvent))
92      Vector<String> newSelection = layerSelModel.getSelection();        return;
93      if (newSelection == null)      StyledLayerSelectionEvent selEvt = (StyledLayerSelectionEvent) evt;
94        return;      // Only react on own layer and ignore events invoked by
95        // this component itself
96      // Avoid event circles in valueChanged(..)      if (selEvt.getEmitter() != layerSelModel || selectionChangeCausedByMe)
97      selectionChangeCausedByMe = true;          return;
98        // Apply new selection on chart (except this event is one of
99      datasetSelModel.setValueIsAdjusting(true);      // some more events)
100      datasetSelModel.clearSelection();      Vector<String> newSelection = layerSelModel.getSelection();
101            if (newSelection == null)
102      XYSeriesCollection dataset = (XYSeriesCollection)datasetSelModel.getDataset();        return;
103  //    dataset.getSeries(0).getDataItem(index);  
104  //          // Avoid event circles in valueChanged(..)
105  //          selectionChangeCausedByMe = true;
106  //    for (String fid : newSelection) {  
107  //      int modelIdx = featureTableModel.findFeature(fid);      datasetSelModel.setValueIsAdjusting(true);
108  //      if (modelIdx >= 0) {      datasetSelModel.clearSelection();
109  //          int tableIdx = featureTable.convertRowIndexToView(modelIdx);      for (String fID : newSelection)
110  //          tableSelModel.addSelectionInterval(tableIdx, tableIdx);        datasetSelModel.setItemSelected(fID, true);
111  //      } else {      datasetSelModel.setValueIsAdjusting(false); // event is fired autmatically!
112  //          LOGGER.warn("Something that is not visible in the Table should be selected");  
113  //      }      // Danger of event circles in valueChanged(..) banned
114  //    }      selectionChangeCausedByMe = false;
115      datasetSelModel.setValueIsAdjusting(false); // event is fired autmatically!    }
116    
117      // Danger of event circles in valueChanged(..) banned    /**
118      selectionChangeCausedByMe = false;     * Called when the chart selection is changed by the user. When calling this
119    }     * method changes the selection of the {@link StyledLayerSelectionModel}.
120       * @param evt an event
121    @Override     */
122    public void selectionChanged(DatasetSelectionChangeEvent e) {    @Override
123      // TODO Auto-generated method stub    public void selectionChanged(DatasetSelectionChangeEvent evt) {
124            // ignore event if it is part of multiple events
125    }      if (evt != null && evt.getSource().getValueIsAdjusting())
126              return;
127        // ignore event if it is caused by the ChartSelectionSynchronizer
128  }      if (selectionChangeCausedByMe)
129            return;
130    
131        // Avoid event circles in propertyChange(..)
132        selectionChangeCausedByMe = true;
133    
134        // reset the selection of the DpLayerSelectionModel
135        layerSelModel.setValueIsAdjusting(true);
136        layerSelModel.clearSelection();
137        for (String featureID : datasetSelModel.getSelectedFeatures())
138          layerSelModel.addSelection(featureID);
139        layerSelModel.setValueIsAdjusting(false);
140    
141        // Danger of event circles in propertyChange(..) banned
142        selectionChangeCausedByMe = false;
143      }
144      
145    
146    }
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