geotools/selection/FeatureMapLayerSelectionSynchronizer.java

/*******************************************************************************
 * Copyright (c) 2009 Martin O. J. Schmitz.
 * 
 * This file is part of the SCHMITZM library - a collection of utility 
 * classes based on Java 1.6, focusing (not only) on Java Swing 
 * and the Geotools library.
 * 
 * The SCHMITZM project is hosted at:
 * http://wald.intevation.org/projects/schmitzm/
 * 
 * This program 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 3
 * of the License, or (at your option) any later version.
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License (license.txt)
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 * or try this link: http://www.gnu.org/licenses/lgpl.html
 * 
 * Contributors:
 *     Martin O. J. Schmitz - initial API and implementation
 *     Stefan A. Krüger - additional utility classes
 ******************************************************************************/
/** 
 Copyright 2008 Stefan Alfons Krüger 

 atlas-framework - This file is part of the Atlas Framework

 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.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import java.util.Vector;

import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionListener;

import org.geotools.feature.FeatureIterator;
import org.geotools.map.MapLayer;
import org.geotools.styling.FeatureTypeStyle;
import org.geotools.styling.Style;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.filter.identity.FeatureId;

import schmitzm.geotools.FilterUtil;
import schmitzm.geotools.feature.PipedFeatureIterator;
import schmitzm.geotools.gui.JMapPane;
import schmitzm.geotools.map.event.FeatureSelectedEvent;
import schmitzm.geotools.map.event.JMapPaneEvent;
import schmitzm.geotools.map.event.JMapPaneListener;
import schmitzm.geotools.styling.StylingUtil;
import schmitzm.lang.LangUtil;
import skrueger.geotools.MapPaneToolBar;
import skrueger.geotools.StyledLayerInterface;

/**
 * This class keeps the selection of a (feature) {@link JTable} 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 JTable}
 * selection</li>
 * <li>a {@link ListSelectionListener} which listens to the {@link JTable} 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 table's
 * {@link ListSelectionModel}.
 * 
 * @author <a href="mailto:[email protected]">Martin Schmitz</a>
 *         (University of Bonn/Germany)
 */
public class FeatureMapLayerSelectionSynchronizer extends
                StyledLayerSelectionModelSynchronizer<StyledFeatureLayerSelectionModel>
                implements JMapPaneListener {
        public static final String SELECTION_STYLING = "SELECTION";
        /**
         * Holds the {@link MapLayer} to keep synchronized with the layer selection
         * model.
         */
        protected final MapLayer mapLayer;
        protected final StyledLayerInterface<?> styledLayer;
        protected final JMapPane mapPane;
        private final MapPaneToolBar toolBar;

        /**
         * Creates a new synchronizer
         * 
         * @param layerSelModel
         *            layer selection model to keep synchronized with the
         *            {@link MapLayer}
         * 
         * @param mapLayer
         *            {@link MapLayer} to keep synchronized with.
         */
        public FeatureMapLayerSelectionSynchronizer(
                        StyledFeatureLayerSelectionModel layerSelModel,
                        StyledLayerInterface<?> styledLayer, MapLayer mapLayer,
                        JMapPane mapPane, MapPaneToolBar toolBar) {

                super(layerSelModel);
                this.styledLayer = styledLayer;

                this.mapLayer = mapLayer;
                this.mapPane = mapPane;
                this.toolBar = toolBar;
        }

        /**
         * Called by {@link StyledLayerSelectionModel} when a the selection on other
         * selection components (map, chart, ...) has changed. When calling this
         * 
         * method changes the {@link MapLayer} selection according to the
         * {@link StyledLayerSelectionModel} selection.
         * 
         * @param evt
         *            an event
         */
        @Override
        public void propertyChange(PropertyChangeEvent evt) {

                if (!isEnabled())
                        return;

                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 table (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;

                changeLayerStyle(newSelection);

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

        /**
         * Changes the Style of the {@link MapLayer} to reflect changes of the
         * selection.
         * 
         * @param newSelection
         *            A {@link Vector} of SimpleFeature-IDs that are selected.
         */
        private void changeLayerStyle(final Vector<String> newSelection) {
                Style selectionMapStyle = null;
                try {
                        if (newSelection.isEmpty()) {

                                selectionMapStyle = styledLayer.getStyle();
                                // LOGGER.debug("NO SELECTION .. set to original style directly");

                        } else {
                                LOGGER.debug("SELECTION .. change style");

                                // We take Style from the MapLayer that is displayed at the
                                // moment. We do not use the styledLayer.getStyle, because in
                                // the atlas, this always return the default style, but
                                // additional styles might be selected.
                                // Taking the style from the mapLayer indicated, that we have to
                                // remove any selection rules first.
                                Style originalStyle = mapLayer.getStyle();

                                // TODO The default style is not good here. We need
                                // .createSelectionStyle(normalStyle, geoObj);
                                selectionMapStyle = StylingUtil
                                                .createSelectionStyle(styledLayer.getGeoObject());
                                // selectionMapStyle = StylingUtil
                                // .createDefaultStyle(styledLayer.getGeoObject());

                                selectionMapStyle.getFeatureTypeStyles()[0]
                                                .setName(SELECTION_STYLING);

                                /**
                                 * 
                                 * Add a Filter to the selectionMapStyle, so that it is only
                                 * used on objects that are selected. <br/>
                                 * 
                                 * Note 1:<br/>
                                 * It is NEVER allowed to GeoTools extend Filter () { .. } (and
                                 * write tests into the evaluate block). Especially for the
                                 * ShapeFileRenderer, we may only use a geotools Filter.<br/>
                                 * 
                                 * Note 2:<br/>
                                 * The FilterUtil.FILTER_FAC2.id(fids) wants a set of
                                 * FeatureId-Objects!
                                 */

                                Set<FeatureId> fids = new HashSet<FeatureId>();
                                for (String fid : newSelection) {
                                        fids.add(FilterUtil.FILTER_FAC2.featureId(fid));
                                }

                                selectionMapStyle.getFeatureTypeStyles()[0].getRules()[0]
                                                .setFilter(FilterUtil.FILTER_FAC2.id(fids));

                                FeatureTypeStyle[] originalFeatureTypeStyles = originalStyle
                                                .getFeatureTypeStyles();
                                FeatureTypeStyle[] newFeatureTypes;
                                if (originalFeatureTypeStyles[originalFeatureTypeStyles.length - 1]
                                                .getName() != null
                                                && originalFeatureTypeStyles[originalFeatureTypeStyles.length - 1]
                                                                .getName().equals(SELECTION_STYLING)) {
                                        newFeatureTypes = Arrays.copyOf(originalFeatureTypeStyles,
                                                        originalFeatureTypeStyles.length - 1);
                                } else {
                                        newFeatureTypes = originalFeatureTypeStyles;
                                }

                                // The last FTS is the selection FTS
                                newFeatureTypes = LangUtil.extendArray(newFeatureTypes,
                                                selectionMapStyle.getFeatureTypeStyles());

                                selectionMapStyle.setFeatureTypeStyles(newFeatureTypes);

                        }

                        mapLayer.setStyle(selectionMapStyle);
                        mapPane.refresh();
                } catch (Exception e) {
                        LOGGER.error("Error while trying to create a selection style", e);
                }
        }

        /**
         * Used to synchronize {@link FeatureSelectedEvent}s with the
         * {@link StyledFeatureLayerSelectionModel}
         */
        @Override
        public void performMapPaneEvent(JMapPaneEvent e) {

                // Ignore event if it is caused by us or the synchronizer is disabled.
                if (!isEnabled() || selectionChangeCausedByMe)
                        return;

                if (!(e instanceof FeatureSelectedEvent)) {
                        // LOGGER.debug("Ignoring event " + e);
                        return;
                }

                /**
                 * Only listen to FeatureSelectedEvents if an appropriate tool is
                 * selected.
                 */
                final int selectedTool = toolBar.getSelectedTool();
                if (selectedTool != MapPaneToolBar.TOOL_SELECTION_ADD
                                && selectedTool != MapPaneToolBar.TOOL_SELECTION_REMOVE
                                && selectedTool != MapPaneToolBar.TOOL_SELECTION_SET) {
                        return;
                }

                // only listen to events directly coming from JMapPane
                // selection (ignore selections from FilterDialog)
                if (e.getSourceObject() != this.mapPane)
                        return;

                FeatureSelectedEvent fse = (FeatureSelectedEvent) e;

                /**
                 * Checking, that the FeatureSelectedEvent actually contains features
                 * from this layer
                 */
                final String sourceID = fse.getSourceLayer().getTitle();
                final String syncForID = mapLayer.getTitle();
                if (sourceID != null && syncForID != null
                                && !sourceID.equals(syncForID)) {
                        LOGGER.debug("Ignoring a FeatureSelectedEvent from " + sourceID);
                        return;
                }

                LOGGER.debug("do event " + fse);

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

                Iterator<SimpleFeature> fi = fse.getSelectionResult().iterator();

                // reset the selection of the DpLayerSelectionModel
                // layerSelModel.setValueIsAdjusting(true);

                if (selectedTool == MapPaneToolBar.TOOL_SELECTION_ADD) {
                        layerSelModel.setValueIsAdjusting(true);

                        for (int fIdx = 0; fi.hasNext(); fIdx++) {
                                SimpleFeature f = fi.next();
                                layerSelModel.addSelection(f.getID());
                        }
                        layerSelModel.setValueIsAdjusting(false);
                } else if (selectedTool == MapPaneToolBar.TOOL_SELECTION_SET) {
                        layerSelModel.setValueIsAdjusting(true);
                        layerSelModel.clearSelection();

                        for (int fIdx = 0; fi.hasNext(); fIdx++) {
                                SimpleFeature f = fi.next();
                                layerSelModel.addSelection(f.getID());
                        }

                        // LOGGER.debug("Setting selection to " + fi.());

                        layerSelModel.setValueIsAdjusting(false);
                } else if (selectedTool == MapPaneToolBar.TOOL_SELECTION_REMOVE) {
                        layerSelModel.setValueIsAdjusting(true);
                        for (int fIdx = 0; fi.hasNext(); fIdx++) {
                                SimpleFeature f = fi.next();
                                layerSelModel.removeSelection(f.getID());
                        }
                        layerSelModel.setValueIsAdjusting(false);
                }

                // Show selected features in the map, which is not automatically done by
                // the origin: FeatureSelectedEvent
                changeLayerStyle(layerSelModel.getSelection());

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

}
1	/*******************************************************************************
2	* Copyright (c) 2009 Martin O. J. Schmitz.
3	*
4	* This file is part of the SCHMITZM library - a collection of utility
5	* classes based on Java 1.6, focusing (not only) on Java Swing
6	* and the Geotools library.
7	*
8	* The SCHMITZM project is hosted at:
9	* http://wald.intevation.org/projects/schmitzm/
10	*
11	* 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	* of the License, or (at your option) any later version.
15	*
16	* This program is distributed in the hope that it will be useful,
17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19	* GNU General Public License for more details.
20	*
21	* 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	* 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	*
26	* Contributors:
27	* Martin O. J. Schmitz - initial API and implementation
28	* Stefan A. Krüger - additional utility classes
29	******************************************************************************/
30	/**
31	Copyright 2008 Stefan Alfons Krüger
32
33	atlas-framework - This file is part of the Atlas Framework
34
35	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.
36	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.
37	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
38
39	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.
40	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.
41	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.
42	**/
43	package skrueger.geotools.selection;
44
45	import java.beans.PropertyChangeEvent;
46	import java.beans.PropertyChangeListener;
47	import java.util.Arrays;
48	import java.util.HashSet;
49	import java.util.Iterator;
50	import java.util.Set;
51	import java.util.Vector;
52
53	import javax.swing.JTable;
54	import javax.swing.ListSelectionModel;
55	import javax.swing.event.ListSelectionListener;
56
57	import org.geotools.feature.FeatureIterator;
58	import org.geotools.map.MapLayer;
59	import org.geotools.styling.FeatureTypeStyle;
60	import org.geotools.styling.Style;
61	import org.opengis.feature.simple.SimpleFeature;
62	import org.opengis.filter.identity.FeatureId;
63
64	import schmitzm.geotools.FilterUtil;
65	import schmitzm.geotools.feature.PipedFeatureIterator;
66	import schmitzm.geotools.gui.JMapPane;
67	import schmitzm.geotools.map.event.FeatureSelectedEvent;
68	import schmitzm.geotools.map.event.JMapPaneEvent;
69	import schmitzm.geotools.map.event.JMapPaneListener;
70	import schmitzm.geotools.styling.StylingUtil;
71	import schmitzm.lang.LangUtil;
72	import skrueger.geotools.MapPaneToolBar;
73	import skrueger.geotools.StyledLayerInterface;
74
75	/**
76	* This class keeps the selection of a (feature) {@link JTable} synchronized
77	* with the {@link StyledLayerSelectionModel} of a layer. This is done by
78	* implementing:
79	* <ul>
80	* <li>a {@link PropertyChangeListener} which listens to the
81	* {@link StyledLayerSelectionModel} and accordingly changes the {@link JTable}
82	* selection</li>
83	* <li>a {@link ListSelectionListener} which listens to the {@link JTable} and
84	* accordingly changes the {@link StyledLayerSelectionModel} selection</li>
85	* </ul>
86	* After creating, the instance of this synchronizer must be added as listener
87	* to both, the {@link StyledLayerSelectionModel} and the table's
88	* {@link ListSelectionModel}.
89	*
90	* @author <a href="mailto:[email protected]">Martin Schmitz</a>
91	* (University of Bonn/Germany)
92	*/
93	public class FeatureMapLayerSelectionSynchronizer extends
94	StyledLayerSelectionModelSynchronizer<StyledFeatureLayerSelectionModel>
95	implements JMapPaneListener {
96	public static final String SELECTION_STYLING = "SELECTION";
97	/**
98	* Holds the {@link MapLayer} to keep synchronized with the layer selection
99	* model.
100	*/
101	protected final MapLayer mapLayer;
102	protected final StyledLayerInterface<?> styledLayer;
103	protected final JMapPane mapPane;
104	private final MapPaneToolBar toolBar;
105
106	/**
107	* Creates a new synchronizer
108	*
109	* @param layerSelModel
110	* layer selection model to keep synchronized with the
111	* {@link MapLayer}
112	*
113	* @param mapLayer
114	* {@link MapLayer} to keep synchronized with.
115	*/
116	public FeatureMapLayerSelectionSynchronizer(
117	StyledFeatureLayerSelectionModel layerSelModel,
118	StyledLayerInterface<?> styledLayer, MapLayer mapLayer,
119	JMapPane mapPane, MapPaneToolBar toolBar) {
120
121	super(layerSelModel);
122	this.styledLayer = styledLayer;
123
124	this.mapLayer = mapLayer;
125	this.mapPane = mapPane;
126	this.toolBar = toolBar;
127	}
128
129	/**
130	* Called by {@link StyledLayerSelectionModel} when a the selection on other
131	* selection components (map, chart, ...) has changed. When calling this
132	*
133	* method changes the {@link MapLayer} selection according to the
134	* {@link StyledLayerSelectionModel} selection.
135	*
136	* @param evt
137	* an event
138	*/
139	@Override
140	public void propertyChange(PropertyChangeEvent evt) {
141
142	if (!isEnabled())
143	return;
144
145	if (!(evt instanceof StyledLayerSelectionEvent))
146	return;
147	StyledLayerSelectionEvent selEvt = (StyledLayerSelectionEvent) evt;
148	// Only react on own layer and ignore events invoked by
149	// this component itself
150	if (selEvt.getEmitter() != layerSelModel \|\| selectionChangeCausedByMe)
151	return;
152	// Apply new selection on table (except this event is one of
153	// some more events)
154	Vector<String> newSelection = layerSelModel.getSelection();
155	if (newSelection == null)
156	return;
157
158	// Avoid event circles in valueChanged(..)
159	selectionChangeCausedByMe = true;
160
161	changeLayerStyle(newSelection);
162
163	// Danger of event circles in valueChanged(..) banned
164	selectionChangeCausedByMe = false;
165	}
166
167	/**
168	* Changes the Style of the {@link MapLayer} to reflect changes of the
169	* selection.
170	*
171	* @param newSelection
172	* A {@link Vector} of SimpleFeature-IDs that are selected.
173	*/
174	private void changeLayerStyle(final Vector<String> newSelection) {
175	Style selectionMapStyle = null;
176	try {
177	if (newSelection.isEmpty()) {
178
179	selectionMapStyle = styledLayer.getStyle();
180	// LOGGER.debug("NO SELECTION .. set to original style directly");
181
182	} else {
183	LOGGER.debug("SELECTION .. change style");
184
185	// We take Style from the MapLayer that is displayed at the
186	// moment. We do not use the styledLayer.getStyle, because in
187	// the atlas, this always return the default style, but
188	// additional styles might be selected.
189	// Taking the style from the mapLayer indicated, that we have to
190	// remove any selection rules first.
191	Style originalStyle = mapLayer.getStyle();
192
193	// TODO The default style is not good here. We need
194	// .createSelectionStyle(normalStyle, geoObj);
195	selectionMapStyle = StylingUtil
196	.createSelectionStyle(styledLayer.getGeoObject());
197	// selectionMapStyle = StylingUtil
198	// .createDefaultStyle(styledLayer.getGeoObject());
199
200	selectionMapStyle.getFeatureTypeStyles()[0]
201	.setName(SELECTION_STYLING);
202
203	/**
204	*
205	* Add a Filter to the selectionMapStyle, so that it is only
206	* used on objects that are selected. <br/>
207	*
208	* Note 1:<br/>
209	* It is NEVER allowed to GeoTools extend Filter () { .. } (and
210	* write tests into the evaluate block). Especially for the
211	* ShapeFileRenderer, we may only use a geotools Filter.<br/>
212	*
213	* Note 2:<br/>
214	* The FilterUtil.FILTER_FAC2.id(fids) wants a set of
215	* FeatureId-Objects!
216	*/
217
218	Set<FeatureId> fids = new HashSet<FeatureId>();
219	for (String fid : newSelection) {
220	fids.add(FilterUtil.FILTER_FAC2.featureId(fid));
221	}
222
223	selectionMapStyle.getFeatureTypeStyles()[0].getRules()[0]
224	.setFilter(FilterUtil.FILTER_FAC2.id(fids));
225
226	FeatureTypeStyle[] originalFeatureTypeStyles = originalStyle
227	.getFeatureTypeStyles();
228	FeatureTypeStyle[] newFeatureTypes;
229	if (originalFeatureTypeStyles[originalFeatureTypeStyles.length - 1]
230	.getName() != null
231	&& originalFeatureTypeStyles[originalFeatureTypeStyles.length - 1]
232	.getName().equals(SELECTION_STYLING)) {
233	newFeatureTypes = Arrays.copyOf(originalFeatureTypeStyles,
234	originalFeatureTypeStyles.length - 1);
235	} else {
236	newFeatureTypes = originalFeatureTypeStyles;
237	}
238
239	// The last FTS is the selection FTS
240	newFeatureTypes = LangUtil.extendArray(newFeatureTypes,
241	selectionMapStyle.getFeatureTypeStyles());
242
243	selectionMapStyle.setFeatureTypeStyles(newFeatureTypes);
244
245	}
246
247	mapLayer.setStyle(selectionMapStyle);
248	mapPane.refresh();
249	} catch (Exception e) {
250	LOGGER.error("Error while trying to create a selection style", e);
251	}
252	}
253
254	/**
255	* Used to synchronize {@link FeatureSelectedEvent}s with the
256	* {@link StyledFeatureLayerSelectionModel}
257	*/
258	@Override
259	public void performMapPaneEvent(JMapPaneEvent e) {
260
261	// Ignore event if it is caused by us or the synchronizer is disabled.
262	if (!isEnabled() \|\| selectionChangeCausedByMe)
263	return;
264
265	if (!(e instanceof FeatureSelectedEvent)) {
266	// LOGGER.debug("Ignoring event " + e);
267	return;
268	}
269
270	/**
271	* Only listen to FeatureSelectedEvents if an appropriate tool is
272	* selected.
273	*/
274	final int selectedTool = toolBar.getSelectedTool();
275	if (selectedTool != MapPaneToolBar.TOOL_SELECTION_ADD
276	&& selectedTool != MapPaneToolBar.TOOL_SELECTION_REMOVE
277	&& selectedTool != MapPaneToolBar.TOOL_SELECTION_SET) {
278	return;
279	}
280
281	// only listen to events directly coming from JMapPane
282	// selection (ignore selections from FilterDialog)
283	if (e.getSourceObject() != this.mapPane)
284	return;
285
286	FeatureSelectedEvent fse = (FeatureSelectedEvent) e;
287
288	/**
289	* Checking, that the FeatureSelectedEvent actually contains features
290	* from this layer
291	*/
292	final String sourceID = fse.getSourceLayer().getTitle();
293	final String syncForID = mapLayer.getTitle();
294	if (sourceID != null && syncForID != null
295	&& !sourceID.equals(syncForID)) {
296	LOGGER.debug("Ignoring a FeatureSelectedEvent from " + sourceID);
297	return;
298	}
299
300	LOGGER.debug("do event " + fse);
301
302	// Avoid event circles in propertyChange(..)
303	selectionChangeCausedByMe = true;
304
305	Iterator<SimpleFeature> fi = fse.getSelectionResult().iterator();
306
307	// reset the selection of the DpLayerSelectionModel
308	// layerSelModel.setValueIsAdjusting(true);
309
310	if (selectedTool == MapPaneToolBar.TOOL_SELECTION_ADD) {
311	layerSelModel.setValueIsAdjusting(true);
312
313	for (int fIdx = 0; fi.hasNext(); fIdx++) {
314	SimpleFeature f = fi.next();
315	layerSelModel.addSelection(f.getID());
316	}
317	layerSelModel.setValueIsAdjusting(false);
318	} else if (selectedTool == MapPaneToolBar.TOOL_SELECTION_SET) {
319	layerSelModel.setValueIsAdjusting(true);
320	layerSelModel.clearSelection();
321
322	for (int fIdx = 0; fi.hasNext(); fIdx++) {
323	SimpleFeature f = fi.next();
324	layerSelModel.addSelection(f.getID());
325	}
326
327	// LOGGER.debug("Setting selection to " + fi.());
328
329	layerSelModel.setValueIsAdjusting(false);
330	} else if (selectedTool == MapPaneToolBar.TOOL_SELECTION_REMOVE) {
331	layerSelModel.setValueIsAdjusting(true);
332	for (int fIdx = 0; fi.hasNext(); fIdx++) {
333	SimpleFeature f = fi.next();
334	layerSelModel.removeSelection(f.getID());
335	}
336	layerSelModel.setValueIsAdjusting(false);
337	}
338
339	// Show selected features in the map, which is not automatically done by
340	// the origin: FeatureSelectedEvent
341	changeLayerStyle(layerSelModel.getSelection());
342
343	// Danger of event circles in propertyChange(..) banned
344	selectionChangeCausedByMe = false;
345	}
346
347	}
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