geotools/selection/ChartSelectionSynchronizer.java

/** SCHMITZM - This file is part of the java library of Martin O.J. Schmitz (SCHMITZM)

    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.
    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.
    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

    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.
    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.
    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.
 **/

package skrueger.geotools.selection;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Vector;

import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionListener;
import javax.swing.plaf.basic.BasicTreeUI.SelectionModelPropertyChangeHandler;

import org.jfree.chart.JFreeChart;
import org.jfree.data.general.Dataset;
import org.jfree.data.general.SeriesDataset;
import org.jfree.data.xy.XYSeriesCollection;

import schmitzm.geotools.gui.FeatureCollectionTableModel;
import schmitzm.jfree.chart.renderer.SelectionRenderer;
import schmitzm.jfree.chart.selection.DatasetSelectionListener;
import schmitzm.jfree.chart.selection.DatasetSelectionModel;
import schmitzm.jfree.chart.selection.DatasetSelectionModelProvider;
import schmitzm.jfree.chart.selection.DatasetSelectionChangeEvent;
import schmitzm.jfree.feature.Feature2DatasetItemDatasetGroup;

/**
 * This class keeps the selection of a {@link Dataset} (based on feature
 * attributes) synchronized with the {@link StyledLayerSelectionModel} of a layer.
 * This is done by implementing:
 * <ul>
 * <li>a {@link PropertyChangeListener} which listens to the
 * {@link StyledLayerSelectionModel} and accordingly changes the {@link SelectionRenderer}
 * selection</li>
 * <li>a {@link DatasetSelectionModel} which listens to the {@link SelectionRenderer} and
 * accordingly changes the {@link StyledLayerSelectionModel} selection</li>
 * </ul>
 * After creating, the instance of this synchronizer must be added as listener
 * to both, the {@link StyledLayerSelectionModel} and the chart's
 * {@link DatasetSelectionModel} (e.g. the renderer).
 * @see DatasetSelectionModelProvider
 * @author <a href="mailto:[email protected]">Martin Schmitz</a>
 */
public class ChartSelectionSynchronizer extends StyledLayerSelectionModelSynchronizer<StyledFeatureLayerSelectionModel>
                                        implements DatasetSelectionListener {

  /** Holds the chart datset to keep synchronized with the layer selection model. */
  protected DatasetSelectionModel<?> datasetSelModel = null;
  /** Hold the mapping between feature IDs and dataset items. */
  protected Feature2DatasetItemDatasetGroup<?> mapping = null; 
  
  /**
   * Creates a new synchronizer.
   * @param layerSelModel
   *             layer selection model to keep synchronized with the dataset
   *             selection model
   * @param datasetSelModel
   *            dataset selection model to keep synchronized with the layer
   *            selection model
   */
  public ChartSelectionSynchronizer(StyledFeatureLayerSelectionModel layerSelModel, DatasetSelectionModel<?> datasetSelModel) {
    super(layerSelModel);
    // the dataset selection model must provide a mapping
    // to the feature IDs
    if ( datasetSelModel.getDataset() == null ||
         !(datasetSelModel.getDataset().getGroup() instanceof Feature2DatasetItemDatasetGroup) )
      throw new UnsupportedOperationException("Dataset must provide a Feature2DatasetItemDatasetGroup as DatasetGroup.");
    this.datasetSelModel = datasetSelModel;
    this.mapping         = (Feature2DatasetItemDatasetGroup<?>)datasetSelModel.getDataset().getGroup();
  }

  /**
   * Called by {@link StyledLayerSelectionModel} when a the selection on other
   * selection components (map, table, ...) has changed. When calling this
   * method changes the dataset selection according to the
   * {@link StyledLayerSelectionModel} selection.
   * @param evt an event
   */
  @Override
  public void propertyChange(PropertyChangeEvent evt) {
    if (!(evt instanceof StyledLayerSelectionEvent))
      return;
    StyledLayerSelectionEvent selEvt = (StyledLayerSelectionEvent) evt;
    // Only react on own layer and ignore events invoked by
    // this component itself
    if (selEvt.getEmitter() != layerSelModel || selectionChangeCausedByMe)
        return;
    // Apply new selection on chart (except this event is one of
    // some more events)
    Vector<String> newSelection = layerSelModel.getSelection();
    if (newSelection == null)
      return;

    // Avoid event circles in valueChanged(..)
    selectionChangeCausedByMe = true;

    datasetSelModel.setValueIsAdjusting(true);
    datasetSelModel.clearSelection();
    
    for (String fID : newSelection) {
      Comparable dataID = mapping.getDataID(fID);
      if (dataID != null ) {
//TODO: Fallunterscheidung zwischen den unterschiedlichen DatasetSelectionModel-Typen!!
      } else {
          LOGGER.warn("Something that is not visible in the chart should be selected");
      }
    }
    datasetSelModel.setValueIsAdjusting(false); // event is fired autmatically!

    // Danger of event circles in valueChanged(..) banned
    selectionChangeCausedByMe = false;
  }

  @Override
  public void selectionChanged(DatasetSelectionChangeEvent e) {
    // TODO Auto-generated method stub
    
  }
  

}
1	mojays	130	/** SCHMITZM - This file is part of the java library of Martin O.J. Schmitz (SCHMITZM)
2
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.
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
6
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.
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.
10			**/
11
12			package skrueger.geotools.selection;
13
14			import java.beans.PropertyChangeEvent;
15			import java.beans.PropertyChangeListener;
16	mojays	131	import java.util.Vector;
17	mojays	130
18			import javax.swing.JTable;
19			import javax.swing.ListSelectionModel;
20			import javax.swing.event.ListSelectionListener;
21	mojays	131	import javax.swing.plaf.basic.BasicTreeUI.SelectionModelPropertyChangeHandler;
22	mojays	130
23			import org.jfree.chart.JFreeChart;
24			import org.jfree.data.general.Dataset;
25	mojays	131	import org.jfree.data.general.SeriesDataset;
26			import org.jfree.data.xy.XYSeriesCollection;
27	mojays	130
28	mojays	131	import schmitzm.geotools.gui.FeatureCollectionTableModel;
29	mojays	130	import schmitzm.jfree.chart.renderer.SelectionRenderer;
30			import schmitzm.jfree.chart.selection.DatasetSelectionListener;
31			import schmitzm.jfree.chart.selection.DatasetSelectionModel;
32	mojays	131	import schmitzm.jfree.chart.selection.DatasetSelectionModelProvider;
33			import schmitzm.jfree.chart.selection.DatasetSelectionChangeEvent;
34	mojays	134	import schmitzm.jfree.feature.Feature2DatasetItemDatasetGroup;
35	mojays	130
36			/**
37			* This class keeps the selection of a {@link Dataset} (based on feature
38			* attributes) synchronized with the {@link StyledLayerSelectionModel} of a layer.
39			* This is done by implementing:
40			* <ul>
41			* <li>a {@link PropertyChangeListener} which listens to the
42			* {@link StyledLayerSelectionModel} and accordingly changes the {@link SelectionRenderer}
43			* selection</li>
44			* <li>a {@link DatasetSelectionModel} which listens to the {@link SelectionRenderer} and
45			* accordingly changes the {@link StyledLayerSelectionModel} selection</li>
46			* </ul>
47			* After creating, the instance of this synchronizer must be added as listener
48			* to both, the {@link StyledLayerSelectionModel} and the chart's
49	mojays	131	* {@link DatasetSelectionModel} (e.g. the renderer).
50			* @see DatasetSelectionModelProvider
51	mojays	130	* @author <a href="mailto:[email protected]">Martin Schmitz</a>
52			*/
53			public class ChartSelectionSynchronizer extends StyledLayerSelectionModelSynchronizer<StyledFeatureLayerSelectionModel>
54	mojays	131	implements DatasetSelectionListener {
55	mojays	130
56	mojays	134	/** Holds the chart datset to keep synchronized with the layer selection model. */
57	mojays	131	protected DatasetSelectionModel<?> datasetSelModel = null;
58	mojays	134	/** Hold the mapping between feature IDs and dataset items. */
59			protected Feature2DatasetItemDatasetGroup<?> mapping = null;
60
61	mojays	131	/**
62	mojays	130	* Creates a new synchronizer.
63			* @param layerSelModel
64	mojays	131	* layer selection model to keep synchronized with the dataset
65			* selection model
66			* @param datasetSelModel
67			* dataset selection model to keep synchronized with the layer
68			* selection model
69	mojays	130	*/
70	mojays	131	public ChartSelectionSynchronizer(StyledFeatureLayerSelectionModel layerSelModel, DatasetSelectionModel<?> datasetSelModel) {
71	mojays	130	super(layerSelModel);
72	mojays	134	// the dataset selection model must provide a mapping
73			// to the feature IDs
74			if ( datasetSelModel.getDataset() == null \|\|
75			!(datasetSelModel.getDataset().getGroup() instanceof Feature2DatasetItemDatasetGroup) )
76			throw new UnsupportedOperationException("Dataset must provide a Feature2DatasetItemDatasetGroup as DatasetGroup.");
77	mojays	131	this.datasetSelModel = datasetSelModel;
78	mojays	134	this.mapping = (Feature2DatasetItemDatasetGroup<?>)datasetSelModel.getDataset().getGroup();
79	mojays	130	}
80
81	mojays	131	/**
82			* Called by {@link StyledLayerSelectionModel} when a the selection on other
83			* selection components (map, table, ...) has changed. When calling this
84			* method changes the dataset selection according to the
85			* {@link StyledLayerSelectionModel} selection.
86			* @param evt an event
87			*/
88	mojays	130	@Override
89			public void propertyChange(PropertyChangeEvent evt) {
90	mojays	131	if (!(evt instanceof StyledLayerSelectionEvent))
91			return;
92			StyledLayerSelectionEvent selEvt = (StyledLayerSelectionEvent) evt;
93			// Only react on own layer and ignore events invoked by
94			// this component itself
95			if (selEvt.getEmitter() != layerSelModel \|\| selectionChangeCausedByMe)
96			return;
97			// Apply new selection on chart (except this event is one of
98			// some more events)
99			Vector<String> newSelection = layerSelModel.getSelection();
100			if (newSelection == null)
101			return;
102
103			// Avoid event circles in valueChanged(..)
104			selectionChangeCausedByMe = true;
105
106			datasetSelModel.setValueIsAdjusting(true);
107			datasetSelModel.clearSelection();
108
109	mojays	134	for (String fID : newSelection) {
110			Comparable dataID = mapping.getDataID(fID);
111			if (dataID != null ) {
112			//TODO: Fallunterscheidung zwischen den unterschiedlichen DatasetSelectionModel-Typen!!
113			} else {
114			LOGGER.warn("Something that is not visible in the chart should be selected");
115			}
116			}
117	mojays	131	datasetSelModel.setValueIsAdjusting(false); // event is fired autmatically!
118
119			// Danger of event circles in valueChanged(..) banned
120			selectionChangeCausedByMe = false;
121	mojays	130	}
122
123			@Override
124	mojays	131	public void selectionChanged(DatasetSelectionChangeEvent e) {
125	mojays	130	// TODO Auto-generated method stub
126
127			}
128
129
130			}