mapButton.setLayoutData(gd2);
mapButton.setText(Messages.getString("LegendGraphicStyleConfigurator.browse")); //$NON-NLS-1$
mapButton.addSelectionListener(new SelectionAdapter(){
public void widgetSelected( SelectionEvent e ) {
JGRasterChooserDialog cDialog = new JGRasterChooserDialog(null);
cDialog.open(mapButton.getShell(), SWT.SINGLE);
List<JGrassMapGeoResource> selectedResource = cDialog.getSelectedResources();
JGrassMapGeoResource jGrassMapGeoResource = selectedResource.get(0);
File mapFile = jGrassMapGeoResource.getMapFile();
String name = mapFile.getName();