skrueger/geotools/CrsLabel.java

package skrueger.geotools;

import javax.swing.JLabel;

import schmitzm.geotools.gui.SelectableXMapPane;
import schmitzm.geotools.gui.XMapPaneEvent;
import schmitzm.geotools.map.event.JMapPaneListener;

public class CrsLabel extends JLabel {

        private JMapPaneListener listenForCrsChange = new JMapPaneListener() {

                @Override
                public void performMapPaneEvent(XMapPaneEvent e) {
                        updateCrs();
                }
        };

        private final SelectableXMapPane mapPane;

        CrsLabel(SelectableXMapPane mapPane) {
                super();
                this.mapPane = mapPane;

                mapPane.addMapPaneListener(listenForCrsChange);

                updateCrs();
        }

        public void updateCrs() {
                try {
                        setText("CRS:"
                                        + mapPane.getMapContext().getCoordinateReferenceSystem()
                                                        .getName().toString());
                } catch (Exception e) {
                        setText("CRS:" + "NONE");
                }
        }

        @Override
        protected void finalize() throws Throwable {
                super.finalize();
                if (mapPane != null)
                        mapPane.removeMapPaneListener(listenForCrsChange);
        }

}
1	alfonx	1220	package skrueger.geotools;
2
3			import javax.swing.JLabel;
4
5			import schmitzm.geotools.gui.SelectableXMapPane;
6			import schmitzm.geotools.gui.XMapPaneEvent;
7			import schmitzm.geotools.map.event.JMapPaneListener;
8
9			public class CrsLabel extends JLabel {
10
11			private JMapPaneListener listenForCrsChange = new JMapPaneListener() {
12
13			@Override
14			public void performMapPaneEvent(XMapPaneEvent e) {
15			updateCrs();
16			}
17			};
18	alfonx	1221
19	alfonx	1220	private final SelectableXMapPane mapPane;
20
21			CrsLabel(SelectableXMapPane mapPane) {
22			super();
23			this.mapPane = mapPane;
24
25			mapPane.addMapPaneListener(listenForCrsChange);
26
27			updateCrs();
28			}
29
30			public void updateCrs() {
31			try {
32	alfonx	1221	setText("CRS:"
33			+ mapPane.getMapContext().getCoordinateReferenceSystem()
34			.getName().toString());
35	alfonx	1220	} catch (Exception e) {
36	alfonx	1221	setText("CRS:" + "NONE");
37	alfonx	1220	}
38			}
39
40			@Override
41			protected void finalize() throws Throwable {
42			super.finalize();
43			if (mapPane != null)
44			mapPane.removeMapPaneListener(listenForCrsChange);
45			}
46
47			}
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