Application: gvSIG desktop » gvSIG tools: Vector editing

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2014 gvSIG Association

 *

 * This program 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.

 *

 * This program 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 this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.vectorediting.lib.prov.multipoint;

import java.util.ArrayList;

import java.util.LinkedHashMap;

import java.util.List;

import java.util.Map;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.aggregate.MultiPoint;

import org.gvsig.fmap.geom.primitive.Point;

import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.exception.BaseException;

import org.gvsig.tools.i18n.I18nManager;

import org.gvsig.tools.service.spi.ProviderServices;

import org.gvsig.vectorediting.lib.api.DrawingStatus;

import org.gvsig.vectorediting.lib.api.EditingServiceParameter;

import org.gvsig.vectorediting.lib.api.EditingServiceParameter.TYPE;

import org.gvsig.vectorediting.lib.api.exceptions.DrawServiceException;

import org.gvsig.vectorediting.lib.api.exceptions.FinishServiceException;

import org.gvsig.vectorediting.lib.api.exceptions.InvalidEntryException;

import org.gvsig.vectorediting.lib.api.exceptions.StartServiceException;

import org.gvsig.vectorediting.lib.api.exceptions.StopServiceException;

import org.gvsig.vectorediting.lib.spi.AbstractEditingProvider;

import org.gvsig.vectorediting.lib.spi.DefaultDrawingStatus;

import org.gvsig.vectorediting.lib.spi.DefaultEditingServiceParameter;

import org.gvsig.vectorediting.lib.spi.EditingProvider;

import org.gvsig.vectorediting.lib.spi.EditingProviderFactory;

import org.gvsig.vectorediting.lib.spi.EditingProviderLocator;

import org.gvsig.vectorediting.lib.spi.EditingProviderManager;

import org.gvsig.vectorediting.lib.spi.EditingProviderServices;

/**

 * @author llmarques

 *

 */

public class MultipointEditingProvider extends AbstractEditingProvider

    implements EditingProvider {

    private EditingServiceParameter points;

    private List<Point> values;

    private boolean finish;

    private FeatureStore featureStore;

    /**

     * Default constructor.

     *

     * @param providerServices

     *            available services for this provider

     * @param parameters

     *            of this provider

     */

    public MultipointEditingProvider(DynObject parameters,

        ProviderServices services) {

        super(services);

        this.featureStore =

            (FeatureStore) parameters

                .getDynValue(EditingProviderFactory.FEATURE_STORE_FIELD);

        this.finish = false;

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        EditingProviderServices editingProviderServices =

            (EditingProviderServices) getProviderServices();

        Map<String, String> options = new LinkedHashMap<String, String>();

        options.put(i18nManager.getTranslation("key_finish"), "finish");

        String consoleMsg =

            editingProviderServices.makeConsoleMessage("indicate_new_point",

                options);

        this.points =

            new DefaultEditingServiceParameter("indicate_new_point",

                consoleMsg, options, TYPE.LIST_POSITIONS, TYPE.OPTION);

    }

    public EditingServiceParameter next() {

        if (finish) {

            return null;

        } else {

            return points;

        }

    }

    public DrawingStatus getDrawingStatus(Point mousePosition)

        throws DrawServiceException {

        DefaultDrawingStatus drawingStatus = new DefaultDrawingStatus();

        EditingProviderManager editingProviderManager =

            EditingProviderLocator.getProviderManager();

        ISymbol pointSymbolEditing = editingProviderManager.getSymbol("auxiliary-point-symbol-editing");

        for (Point point : values) {

            drawingStatus.addStatus(point, pointSymbolEditing, "");

        }

        return drawingStatus;

    }

    public void stop() throws StopServiceException {

        if (values != null) {

            values.clear();

        }

        finish = false;

    }

    public List<EditingServiceParameter> getParameters() {

        List<EditingServiceParameter> parameters =

            new ArrayList<EditingServiceParameter>();

        parameters.add(points);

        return parameters;

    }

    public void setValue(Object value) throws InvalidEntryException {

        EditingServiceParameter parameter = next();

        validateAndInsertValue(parameter, value);

    }

    private void validateAndInsertValue(EditingServiceParameter parameter,

        Object value) {

        if (parameter == points) {

            if (value instanceof Point) {

                values.add((Point) value);

            } else if (value instanceof String) {

                String option = (String) value;

                I18nManager i18nManager = ToolsLocator.getI18nManager();

                if (option.equalsIgnoreCase(i18nManager

                    .getTranslation("key_finish"))) {

                    finish = true;

                }

            }

        }

    }

    public Geometry finish() throws FinishServiceException {

        if (values != null && values.size() > 0) {

            EditingProviderServices editingProviderServices =

                (EditingProviderServices) getProviderServices();

            try {

                int subtype = editingProviderServices.getSubType(featureStore);

                MultiPoint multiPoint =

                    GeometryLocator.getGeometryManager().createMultiPoint(

                        subtype);

                for (Point point : values) {

                    multiPoint.addPoint(point);

                }

                return multiPoint;

            } catch (BaseException e) {

                throw new FinishServiceException(e);

            }

        }

        return null;

    }

    public void finishAndStore() throws FinishServiceException {

        Geometry geom = finish();

        EditingProviderServices editingProviderServices =

            (EditingProviderServices) getProviderServices();

        editingProviderServices.insertGeometryIntoFeatureStore(geom,

            featureStore);

    }

    public void start() throws StartServiceException, InvalidEntryException {

        values = new ArrayList<Point>();

    }

    public String getName() {

        return MultipointEditingProviderFactory.PROVIDER_DESCRIPTION;

    }

}