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	/** 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	import java.util.Vector;
17
18	import javax.swing.JTable;
19	import javax.swing.ListSelectionModel;
20	import javax.swing.event.ListSelectionListener;
21	import javax.swing.plaf.basic.BasicTreeUI.SelectionModelPropertyChangeHandler;
22
23	import org.jfree.chart.JFreeChart;
24	import org.jfree.data.general.Dataset;
25	import org.jfree.data.general.SeriesDataset;
26	import org.jfree.data.xy.XYSeriesCollection;
27
28	import schmitzm.geotools.gui.FeatureCollectionTableModel;
29	import schmitzm.jfree.chart.renderer.SelectionRenderer;
30	import schmitzm.jfree.chart.selection.DatasetSelectionListener;
31	import schmitzm.jfree.chart.selection.DatasetSelectionModel;
32	import schmitzm.jfree.chart.selection.DatasetSelectionModelProvider;
33	import schmitzm.jfree.chart.selection.DatasetSelectionChangeEvent;
34	import schmitzm.jfree.feature.Feature2DatasetItemDatasetGroup;
35
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	* {@link DatasetSelectionModel} (e.g. the renderer).
50	* @see DatasetSelectionModelProvider
51	* @author <a href="mailto:[email protected]">Martin Schmitz</a>
52	*/
53	public class ChartSelectionSynchronizer extends StyledLayerSelectionModelSynchronizer<StyledFeatureLayerSelectionModel>
54	implements DatasetSelectionListener {
55
56	/** Holds the chart datset to keep synchronized with the layer selection model. */
57	protected DatasetSelectionModel<?> datasetSelModel = null;
58	/** Hold the mapping between feature IDs and dataset items. */
59	protected Feature2DatasetItemDatasetGroup<?> mapping = null;
60
61	/**
62	* Creates a new synchronizer.
63	* @param layerSelModel
64	* 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	*/
70	public ChartSelectionSynchronizer(StyledFeatureLayerSelectionModel layerSelModel, DatasetSelectionModel<?> datasetSelModel) {
71	super(layerSelModel);
72	// 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	this.datasetSelModel = datasetSelModel;
78	this.mapping = (Feature2DatasetItemDatasetGroup<?>)datasetSelModel.getDataset().getGroup();
79	}
80
81	/**
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	@Override
89	public void propertyChange(PropertyChangeEvent evt) {
90	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	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	datasetSelModel.setValueIsAdjusting(false); // event is fired autmatically!
118
119	// Danger of event circles in valueChanged(..) banned
120	selectionChangeCausedByMe = false;
121	}
122
123	@Override
124	public void selectionChanged(DatasetSelectionChangeEvent e) {
125	// TODO Auto-generated method stub
126
127	}
128
129
130	}