skrueger/geotools/CrsLabel.java

package skrueger.geotools;

import javax.swing.JLabel;

import schmitzm.geotools.gui.GeotoolsGUIUtil;
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;

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

                mapPane.addMapPaneListener(listenForCrsChange);

                updateCrs();

                setToolTipText(GeotoolsGUIUtil.R("CRSLabel.TT"));
        }

        public void updateCrs() {
                String crsName = "";
                try {
                        crsName = mapPane.getMapContext().getCoordinateReferenceSystem()
                                        .getName().toString();
                        setText(GeotoolsGUIUtil.R("CRSLabel", crsName));
                } catch (Exception e) {
                        setText("");
                }
        }

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

}
1	package skrueger.geotools;
2
3	import javax.swing.JLabel;
4
5	import schmitzm.geotools.gui.GeotoolsGUIUtil;
6	import schmitzm.geotools.gui.SelectableXMapPane;
7	import schmitzm.geotools.gui.XMapPaneEvent;
8	import schmitzm.geotools.map.event.JMapPaneListener;
9
10	public class CrsLabel extends JLabel {
11
12	private JMapPaneListener listenForCrsChange = new JMapPaneListener() {
13
14	@Override
15	public void performMapPaneEvent(XMapPaneEvent e) {
16	updateCrs();
17	}
18	};
19
20	private final SelectableXMapPane mapPane;
21
22	public CrsLabel(SelectableXMapPane mapPane) {
23	super();
24	this.mapPane = mapPane;
25
26	mapPane.addMapPaneListener(listenForCrsChange);
27
28	updateCrs();
29
30	setToolTipText(GeotoolsGUIUtil.R("CRSLabel.TT"));
31	}
32
33	public void updateCrs() {
34	String crsName = "";
35	try {
36	crsName = mapPane.getMapContext().getCoordinateReferenceSystem()
37	.getName().toString();
38	setText(GeotoolsGUIUtil.R("CRSLabel", crsName));
39	} catch (Exception e) {
40	setText("");
41	}
42	}
43
44	@Override
45	protected void finalize() throws Throwable {
46	super.finalize();
47	if (mapPane != null)
48	mapPane.removeMapPaneListener(listenForCrsChange);
49	}
50
51	}
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