com.bdaum.zoom.gps.internal.dialogs.MapDialog.java Source code

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Here is the source code for com.bdaum.zoom.gps.internal.dialogs.MapDialog.java

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/*
 * This file is part of the ZoRa project: http://www.photozora.org.
 *
 * ZoRa is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * ZoRa 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with ZoRa; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * (c) 2009 Berthold Daum  
 */

package com.bdaum.zoom.gps.internal.dialogs;

import java.util.Locale;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;

import com.bdaum.zoom.cat.model.location.Location;
import com.bdaum.zoom.cat.model.location.LocationImpl;
import com.bdaum.zoom.gps.MapAdapter;
import com.bdaum.zoom.gps.geonames.Place;
import com.bdaum.zoom.gps.internal.GpsActivator;
import com.bdaum.zoom.gps.internal.HelpContextIds;
import com.bdaum.zoom.gps.widgets.IMapComponent;
import com.bdaum.zoom.ui.internal.dialogs.ZResizableDialog;

@SuppressWarnings("restriction")
public class MapDialog extends ZResizableDialog {

    private static final String ID = "com.bdaum.zoom.gps.internal.dialogs.MapDialog"; //$NON-NLS-1$
    private Location current;
    private IMapComponent mapComponent;

    private LocationImpl result;

    public MapDialog(Shell parentShell, Location loc) {
        super(parentShell, HelpContextIds.MAP_DIALOG);
        current = loc;
    }

    @Override
    public void create() {
        super.create();
        getShell().pack();
    }

    @Override
    protected Point getDefaultSize() {
        return new Point(800, 600);
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        Composite area = (Composite) super.createDialogArea(parent);
        mapComponent = GpsActivator.getMapComponent(GpsActivator.findCurrentMappingSystem());
        if (mapComponent != null) {
            mapComponent.createComponent(area, true);
            mapComponent.addMapListener(new MapAdapter() {
                public void setCoordinates(String[] assetId, double latitude, double longitude, int zoom, int type,
                        String uuid) {
                    if (result == null)
                        result = new LocationImpl();
                    result.setLatitude(latitude);
                    result.setLongitude(longitude);
                }
            });
            mapComponent.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
            showLocation(current);
        }
        return area;
    }

    public void showLocation(Location loc) {
        Place[] markerPositions = null;
        Double latitude = (loc == null) ? null : loc.getLatitude();
        Double longitude = (loc == null) ? null : loc.getLongitude();
        if (latitude == null)
            latitude = Double.NaN;
        if (longitude == null)
            longitude = Double.NaN;
        Place mapPosition = new Place(latitude, longitude);
        int initialZoomLevel = 12;
        if (Double.isNaN(latitude) || Double.isNaN(longitude)) {
            if (loc != null) {
                mapPosition.setCountryCode(loc.getCountryISOCode());
                mapPosition.setCountryName(loc.getCountryName());
                mapPosition.setName(loc.getCity());
                mapPosition.setState(loc.getProvinceOrState());
                mapPosition.setStreet(loc.getSublocation());
                if (loc.getCity() == null) {
                    initialZoomLevel = 8;
                    if (loc.getProvinceOrState() == null)
                        initialZoomLevel = 6;
                }
            } else {
                mapPosition.setCountryCode(Locale.getDefault().getCountry());
                initialZoomLevel = 6;
            }
        } else
            markerPositions = new Place[] { new Place(latitude, longitude) };
        mapComponent.setInput(mapPosition, initialZoomLevel, markerPositions, null, null,
                IMapComponent.ADDLOCATION);
    }

    public Location getResult() {
        return result;
    }

    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        if (current != null)
            super.createButtonsForButtonBar(parent);
        createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
    }

    @Override
    protected String getId() {
        return ID;
    }
}