geotools/selection/FeatureMapLayerSelectionSynchronizer.java

/** 
 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.Collection;
import java.util.Vector;

import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.text.Utilities;

import org.geotools.feature.Feature;
import org.geotools.map.MapLayer;
import org.geotools.styling.PolygonSymbolizer;
import org.geotools.styling.Rule;
import org.geotools.styling.RuleImpl;
import org.geotools.styling.Style;
import org.geotools.styling.StyleImpl;
import org.geotools.styling.Symbolizer;
import org.opengis.filter.Filter;
import org.opengis.filter.FilterVisitor;
import org.opengis.layer.StyleURL;

import schmitzm.geotools.FilterUtil;
import schmitzm.geotools.gui.FeatureCollectionTableModel;
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.StyledFeatureCollectionInterface;
import skrueger.geotools.StyledMapInterface;
import skrueger.geotools.selection.StyledFeatureLayerSelectionModel;
import skrueger.geotools.selection.StyledLayerSelectionEvent;
import skrueger.geotools.selection.StyledLayerSelectionModel;

/**
 * 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 {
        /**
         * Holds the {@link MapLayer} to keep synchronized with the layer selection
         * model.
         */
        protected final MapLayer mapLayer;
        protected final StyledMapInterface<?> styledMapLayer;
        protected final JMapPane mapPane;

        /**
         * 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,
                        StyledMapInterface<?> styledMapLayer, MapLayer mapLayer,
                        JMapPane mapPane) {

                super(layerSelModel);
                this.styledMapLayer = styledMapLayer;

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

        /**
         * 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 (!(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<Feature> 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;
        }

        private void changeLayerStyle(final Vector<Feature> newSelection) {
                Style selectionMapStyle = null;
                try {
                        if (newSelection.isEmpty()) {

                                selectionMapStyle = styledMapLayer.getStyle();
                                LOGGER.debug("NO SELECTION .. reset original style");

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

                                Style originalStyle = styledMapLayer.getStyle();

                                // TODO This clone is a deep clone and it is slow..
                                selectionMapStyle = StylingUtil
                                                .createDefaultStyle(styledMapLayer.getGeoObject());
                                
//                              Symbolizer sss = selectionMapStyle.getFeatureTypeStyles()[0].getRules()[0].getSymbolizers()[0];
//                              if (sss instanceof PolygonSymbolizer) {
//                                      PolygonSymbolizer ps = (PolygonSymbolizer) sss;
//                                      ps.getFill().setOpacity( FilterUtil.FILTER_FAC.literal(0.5));
//                              }

                                // Rule selectedRule = StylingUtil.STYLE_FACTORY.createRule();
                                selectionMapStyle.getFeatureTypeStyles()[0].getRules()[0]
                                                .setFilter(new Filter() {

                                                        @Override
                                                        public Object accept(FilterVisitor visitor,
                                                                        Object extraData) {
                                                                return null;
                                                        }

                                                        @Override
                                                        public boolean evaluate(Object obj) {
                                                                if (obj instanceof Feature) {
                                                                        Feature f = (Feature) obj;
                                                                        // TODO BAD CODE
                                                                        for (Feature ff : newSelection) {
                                                                                if (ff.getID().equals(f.getID()))
                                                                                        return true;
                                                                        }
                                                                        return false;

                                                                }
                                                                return false;
                                                        }

                                                });

                                selectionMapStyle.setFeatureTypeStyles(LangUtil.extendArray(
                                                originalStyle
                                                                .getFeatureTypeStyles(), selectionMapStyle.getFeatureTypeStyles()));

                                // selectionMapStyle.setFeatureTypeStyles(originalStyle.getF)

                                // Flat copy the style

                                // selectionMapStyle =
                                // StylingUtil.createDefaultStyle(styledMapLayer.getGeoObject());

                        }

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

        //
        // /**
        // * Called when the table selection is changed by the user. When calling
        // this
        // * method changes the selection of the {@link StyledLayerSelectionModel}.
        // *
        // * @param evt
        // * an event
        // */
        // @Override
        // public void valueChanged(ListSelectionEvent evt) {
        //              
        // }

        @Override
        public void performMapPaneEvent(JMapPaneEvent e) {

                if (!(e instanceof FeatureSelectedEvent)) {
//                      LOGGER.debug("Ignoring event " + e);
                        return;
                }
                // only listen to events directly coming from JMapPane
                // selection (ignore selections from FilterDialog)
                if ( e.getSourceObject() != this.mapPane )
                  return;
                
                FeatureSelectedEvent fse = (FeatureSelectedEvent) e;
//              LOGGER.debug("Do event " + fse);
//              LOGGER.debug("Do event " + fse.getSelectionResult());

                // ignore event if it is caused by the DpLayerVectorSelectionModel
                if (selectionChangeCausedByMe)
                        return;

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

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

                layerSelModel.addSelection((Collection<Feature>) fse
                                .getSelectionResult());

                // for (int i = evt.getFirstIndex(); i <= evt.getLastIndex(); i++) {
                // Feature changedFeature = featureTableModel.getFeature(featureTable
                // .convertRowIndexToModel(i));
                // if (featureTable.isRowSelected(i))
                // layerSelModel.addSelection(changedFeature);
                // else
                // layerSelModel.removeSelection(changedFeature);
                // }
                // layerSelModel.setValueIsAdjusting(false);

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

                // Danger of event circles in propertyChange(..) banned
                selectionChangeCausedByMe = false;
        }
}
1	alfonx	97	/**
2			Copyright 2008 Stefan Alfons Krüger
3
4			atlas-framework - This file is part of the Atlas Framework
5
6			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.
7			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.
8			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
9
10			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.
11			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.
12			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.
13			**/
14			package skrueger.geotools.selection;
15
16			import java.beans.PropertyChangeEvent;
17			import java.beans.PropertyChangeListener;
18			import java.util.Collection;
19			import java.util.Vector;
20
21			import javax.swing.JTable;
22			import javax.swing.ListSelectionModel;
23			import javax.swing.event.ListSelectionEvent;
24			import javax.swing.event.ListSelectionListener;
25	alfonx	100	import javax.swing.text.Utilities;
26	alfonx	97
27			import org.geotools.feature.Feature;
28			import org.geotools.map.MapLayer;
29	alfonx	107	import org.geotools.styling.PolygonSymbolizer;
30	alfonx	101	import org.geotools.styling.Rule;
31			import org.geotools.styling.RuleImpl;
32	alfonx	97	import org.geotools.styling.Style;
33	alfonx	101	import org.geotools.styling.StyleImpl;
34	alfonx	104	import org.geotools.styling.Symbolizer;
35	alfonx	101	import org.opengis.filter.Filter;
36			import org.opengis.filter.FilterVisitor;
37			import org.opengis.layer.StyleURL;
38	alfonx	97
39	alfonx	107	import schmitzm.geotools.FilterUtil;
40	alfonx	97	import schmitzm.geotools.gui.FeatureCollectionTableModel;
41			import schmitzm.geotools.gui.JMapPane;
42			import schmitzm.geotools.map.event.FeatureSelectedEvent;
43			import schmitzm.geotools.map.event.JMapPaneEvent;
44			import schmitzm.geotools.map.event.JMapPaneListener;
45			import schmitzm.geotools.styling.StylingUtil;
46	alfonx	104	import schmitzm.lang.LangUtil;
47	alfonx	97	import skrueger.geotools.StyledFeatureCollectionInterface;
48			import skrueger.geotools.StyledMapInterface;
49			import skrueger.geotools.selection.StyledFeatureLayerSelectionModel;
50			import skrueger.geotools.selection.StyledLayerSelectionEvent;
51			import skrueger.geotools.selection.StyledLayerSelectionModel;
52
53			/**
54			* This class keeps the selection of a (feature) {@link JTable} synchronized
55			* with the {@link StyledLayerSelectionModel} of a layer. This is done by
56			* implementing:
57			* <ul>
58			* <li>a {@link PropertyChangeListener} which listens to the
59			* {@link StyledLayerSelectionModel} and accordingly changes the {@link JTable}
60			* selection</li>
61			* <li>a {@link ListSelectionListener} which listens to the {@link JTable} and
62			* accordingly changes the {@link StyledLayerSelectionModel} selection</li>
63			* </ul>
64			* After creating, the instance of this synchronizer must be added as listener
65			* to both, the {@link StyledLayerSelectionModel} and the table's
66			* {@link ListSelectionModel}.
67			*
68			* @author <a href="mailto:[email protected]">Martin Schmitz</a>
69			* (University of Bonn/Germany)
70			*/
71			public class FeatureMapLayerSelectionSynchronizer extends
72	alfonx	106	StyledLayerSelectionModelSynchronizer<StyledFeatureLayerSelectionModel>
73			implements JMapPaneListener {
74	alfonx	97	/**
75			* Holds the {@link MapLayer} to keep synchronized with the layer selection
76			* model.
77			*/
78			protected final MapLayer mapLayer;
79			protected final StyledMapInterface<?> styledMapLayer;
80			protected final JMapPane mapPane;
81
82			/**
83			* Creates a new synchronizer
84			*
85			* @param layerSelModel
86			* layer selection model to keep synchronized with the
87			* {@link MapLayer}
88			*
89			* @param mapLayer
90			* {@link MapLayer} to keep synchronized with.
91			*/
92			public FeatureMapLayerSelectionSynchronizer(
93			StyledFeatureLayerSelectionModel layerSelModel,
94			StyledMapInterface<?> styledMapLayer, MapLayer mapLayer,
95			JMapPane mapPane) {
96
97			super(layerSelModel);
98			this.styledMapLayer = styledMapLayer;
99
100			this.mapLayer = mapLayer;
101			this.mapPane = mapPane;
102			}
103
104			/**
105			* Called by {@link StyledLayerSelectionModel} when a the selection on other
106			* selection components (map, chart, ...) has changed. When calling this
107			*
108			* method changes the {@link MapLayer} selection according to the
109			* {@link StyledLayerSelectionModel} selection.
110			*
111			* @param evt
112			* an event
113			*/
114			@Override
115			public void propertyChange(PropertyChangeEvent evt) {
116			if (!(evt instanceof StyledLayerSelectionEvent))
117			return;
118			StyledLayerSelectionEvent selEvt = (StyledLayerSelectionEvent) evt;
119			// Only react on own layer and ignore events invoked by
120			// this component itself
121			if (selEvt.getEmitter() != layerSelModel \|\| selectionChangeCausedByMe)
122			return;
123			// Apply new selection on table (except this event is one of
124			// some more events)
125			Vector<Feature> newSelection = layerSelModel.getSelection();
126			if (newSelection == null)
127			return;
128
129			// Avoid event circles in valueChanged(..)
130			selectionChangeCausedByMe = true;
131
132			changeLayerStyle(newSelection);
133
134			// Danger of event circles in valueChanged(..) banned
135			selectionChangeCausedByMe = false;
136			}
137
138	alfonx	104	private void changeLayerStyle(final Vector<Feature> newSelection) {
139	alfonx	97	Style selectionMapStyle = null;
140			try {
141			if (newSelection.isEmpty()) {
142
143			selectionMapStyle = styledMapLayer.getStyle();
144	alfonx	100	LOGGER.debug("NO SELECTION .. reset original style");
145	alfonx	106
146	alfonx	97	} else {
147	alfonx	100	LOGGER.debug("SELECTION .. change style");
148	alfonx	106
149	alfonx	101	Style originalStyle = styledMapLayer.getStyle();
150
151	alfonx	106	// TODO This clone is a deep clone and it is slow..
152	alfonx	107	selectionMapStyle = StylingUtil
153	alfonx	106	.createDefaultStyle(styledMapLayer.getGeoObject());
154	alfonx	107
155			// Symbolizer sss = selectionMapStyle.getFeatureTypeStyles()[0].getRules()[0].getSymbolizers()[0];
156			// if (sss instanceof PolygonSymbolizer) {
157			// PolygonSymbolizer ps = (PolygonSymbolizer) sss;
158			// ps.getFill().setOpacity( FilterUtil.FILTER_FAC.literal(0.5));
159			// }
160	alfonx	106
161			// Rule selectedRule = StylingUtil.STYLE_FACTORY.createRule();
162	alfonx	107	selectionMapStyle.getFeatureTypeStyles()[0].getRules()[0]
163	alfonx	106	.setFilter(new Filter() {
164
165			@Override
166			public Object accept(FilterVisitor visitor,
167			Object extraData) {
168			return null;
169	alfonx	105	}
170	alfonx	106
171			@Override
172			public boolean evaluate(Object obj) {
173			if (obj instanceof Feature) {
174			Feature f = (Feature) obj;
175			// TODO BAD CODE
176			for (Feature ff : newSelection) {
177			if (ff.getID().equals(f.getID()))
178			return true;
179			}
180			return false;
181
182			}
183			return false;
184			}
185
186			});
187
188			selectionMapStyle.setFeatureTypeStyles(LangUtil.extendArray(
189	alfonx	107	originalStyle
190			.getFeatureTypeStyles(), selectionMapStyle.getFeatureTypeStyles()));
191	alfonx	106
192			// selectionMapStyle.setFeatureTypeStyles(originalStyle.getF)
193
194	alfonx	101	// Flat copy the style
195	alfonx	106
196			// selectionMapStyle =
197			// StylingUtil.createDefaultStyle(styledMapLayer.getGeoObject());
198
199	alfonx	97	}
200
201			mapLayer.setStyle(selectionMapStyle);
202			mapPane.refresh();
203			} catch (Exception e) {
204			LOGGER.error("Error while trying to create a selection style", e);
205			}
206			}
207
208			//
209			// /**
210			// * Called when the table selection is changed by the user. When calling
211			// this
212			// * method changes the selection of the {@link StyledLayerSelectionModel}.
213			// *
214			// * @param evt
215			// * an event
216			// */
217			// @Override
218			// public void valueChanged(ListSelectionEvent evt) {
219			//
220			// }
221
222			@Override
223			public void performMapPaneEvent(JMapPaneEvent e) {
224	alfonx	106
225	alfonx	105	if (!(e instanceof FeatureSelectedEvent)) {
226	alfonx	106	// LOGGER.debug("Ignoring event " + e);
227	alfonx	97	return;
228	alfonx	105	}
229	mojays	109	// only listen to events directly coming from JMapPane
230			// selection (ignore selections from FilterDialog)
231			if ( e.getSourceObject() != this.mapPane )
232			return;
233
234	alfonx	97	FeatureSelectedEvent fse = (FeatureSelectedEvent) e;
235	alfonx	106	// LOGGER.debug("Do event " + fse);
236			// LOGGER.debug("Do event " + fse.getSelectionResult());
237	alfonx	97
238			// ignore event if it is caused by the DpLayerVectorSelectionModel
239			if (selectionChangeCausedByMe)
240			return;
241
242			// Avoid event circles in propertyChange(..)
243			selectionChangeCausedByMe = true;
244
245			// reset the selection of the DpLayerSelectionModel
246			// layerSelModel.setValueIsAdjusting(true);
247
248			layerSelModel.addSelection((Collection<Feature>) fse
249			.getSelectionResult());
250
251			// for (int i = evt.getFirstIndex(); i <= evt.getLastIndex(); i++) {
252			// Feature changedFeature = featureTableModel.getFeature(featureTable
253			// .convertRowIndexToModel(i));
254			// if (featureTable.isRowSelected(i))
255			// layerSelModel.addSelection(changedFeature);
256			// else
257			// layerSelModel.removeSelection(changedFeature);
258			// }
259			// layerSelModel.setValueIsAdjusting(false);
260
261			// Show selected feature in the map, which is not automatically done by
262			// the FeatureSelectedEvent
263			changeLayerStyle(layerSelModel.getSelection());
264	alfonx	106
265	alfonx	97	// Danger of event circles in propertyChange(..) banned
266			selectionChangeCausedByMe = false;
267			}
268			}
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