/* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2004, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*/
package org.locationtech.udig.mapgraphic.graticule;
import java.util.List;
import org.locationtech.udig.mapgraphic.MapGraphic;
import org.locationtech.udig.mapgraphic.MapGraphicPlugin;
import org.locationtech.udig.mapgraphic.internal.Messages;
import org.locationtech.udig.project.ILayer;
import org.locationtech.udig.project.command.MapCommand;
import org.locationtech.udig.project.command.UndoableComposite;
import org.locationtech.udig.project.internal.Layer;
import org.locationtech.udig.project.ui.internal.commands.SetLayerCRSCommand;
import org.locationtech.udig.style.IStyleConfigurator;
import org.locationtech.udig.ui.CRSChooserDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.geotools.referencing.CRS;
import org.opengis.referencing.FactoryException;
import org.opengis.referencing.NoSuchAuthorityCodeException;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
/**
* CRS configurator for {@link GraticuleStyle}
*
* @author kengu
* @since 1.3.3
*/
public class GraticuleCRSConfigurator extends IStyleConfigurator {
private static final String EPSG = "EPSG:"; //$NON-NLS-1$
private Text crsText;
private Label crsLabel;
@Override
public boolean canStyle( Layer layer ) {
return layer.hasResource(MapGraphic.class)
&& layer.getStyleBlackboard().get(GraticuleStyle.ID) != null;
}
@Override
public void createControl( Composite parent ) {
Composite composite = new Composite(parent, SWT.NONE);
GridLayout gridLayout = new GridLayout(3, false);
composite.setLayout(gridLayout);
crsLabel = new Label(composite, SWT.NONE);
crsLabel.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
crsLabel.setText(Messages.GraticuleCRSConfigurator_CRS);
crsText = new Text(composite, SWT.BORDER);
crsText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
crsText.setEditable(false);
final Button crsButton = new Button(composite, SWT.BORDER);
crsButton.setText(Messages.GraticuleCRSConfigurator_Select);
crsButton.addSelectionListener(new SelectionAdapter(){
public void widgetSelected( SelectionEvent e ) {
CoordinateReferenceSystem crs = getCRS(getStyle());
CRSChooserDialog dialog = new CRSChooserDialog(crsButton.getShell(), crs);
int code = dialog.open();
if (Window.OK == code) {
try {
crs = dialog.getResult();
crsText.setText(EPSG+CRS.lookupEpsgCode(crs,false));
} catch (FactoryException ex) {
MapGraphicPlugin.log(Messages.GraticuleGraphic_Error, ex);
getLayer().setStatus(Layer.ERROR);
getLayer().setStatusMessage(ex.getMessage());
}
}
}
});
}
private GraticuleStyle getStyle() {
return GraticuleStyle.getStyle(getLayer());
}
@Override
protected void refresh() {
try {
CoordinateReferenceSystem crs = getCRS(getStyle());
crsText.setText(EPSG+CRS.lookupEpsgCode(crs,false));
} catch (FactoryException ex) {
MapGraphicPlugin.log(Messages.GraticuleGraphic_Error, ex);
getLayer().setStatus(Layer.ERROR);
getLayer().setStatusMessage(ex.getMessage());
}
}
@Override
public void preApply() {
GraticuleStyle style = getStyle();
style.setCRS(crsText.getText());
getStyleBlackboard().put(GraticuleStyle.ID, style);
apply(getLayer(),getStyle().getCRS());
}
public static void apply(Layer layer, String code ) {
apply(layer, getCRS(layer,code));
}
public static void apply(Layer layer, CoordinateReferenceSystem crs ) {
if(!layer.getCRS().equals(crs)) {
UndoableComposite commands=new UndoableComposite();
List<MapCommand> commandList = commands.getCommands();
commandList.add(new SetLayerCRSCommand(layer, crs));
layer.getMap().sendCommandASync(commands);
}
}
public CoordinateReferenceSystem getCRS(GraticuleStyle style) {
return getCRS(getLayer(),style.getCRS());
}
public static CoordinateReferenceSystem getCRS(ILayer graticule, String code) {
try {
return CRS.decode(code);
} catch (NoSuchAuthorityCodeException ex) {
MapGraphicPlugin.log(Messages.GraticuleGraphic_Error, ex);
} catch (FactoryException ex) {
MapGraphicPlugin.log(Messages.GraticuleGraphic_Error, ex);
}
return graticule.getCRS();
}
}