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.ellipse;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

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

import org.gvsig.fmap.geom.exception.CreateGeometryException;

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

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

import org.gvsig.fmap.geom.type.GeometryType;

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

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.locator.LocatorException;

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

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

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

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

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

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

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

public class EllipseCenterAxesEditingProvider extends FilledEllipseCenterAxesEditingProvider implements

        EditingProvider {

    public EllipseCenterAxesEditingProvider(ProviderServices services,

            DynObject parameters) {

        super(services, parameters);

    }

    @Override

    public Geometry finish() throws FinishServiceException {

        if (values != null) {

            EditingProviderServices editingProviderServices

                    = (EditingProviderServices) getProviderServices();

            Point centerValue = (Point) values.get(center);

            Point pointAxis1Value = (Point) values.get(pointAxisA);

            double lengthSemiaxis2Value = (Double) values.get(lengthSemiaxisB);

            if ((center != null)

                    && (pointAxis1Value != null) && (lengthSemiaxis2Value > 0)) {

                try {

                    int subtype = editingProviderServices.getSubType(featureStore);

                    GeometryType storeGeomType = editingProviderServices.getGeomType(featureStore);

                    PeriEllipse periEllipse

                            = (PeriEllipse) GeometryLocator.getGeometryManager().create(Geometry.TYPES.PERIELLIPSE, subtype);

                    Point firstPointAxis = calculateOpositePointAxis(centerValue, pointAxis1Value, subtype);

                    periEllipse.setPoints(firstPointAxis, pointAxis1Value, lengthSemiaxis2Value);

                    if (storeGeomType.isTypeOf(MULTICURVE)) {

                        MultiCurve multicurve;

                        multicurve

                                = GeometryLocator.getGeometryManager().createMultiCurve(

                                        storeGeomType.getSubType());

                        multicurve.addCurve((PeriEllipse) periEllipse);

                        return multicurve;

                    }

                    return periEllipse;

                } catch (DataException | CreateGeometryException | LocatorException e) {

                    throw new FinishServiceException(e);

                }

            }

        }

        return null;

    }

    @Override

    public String getName() {

        return EllipseCenterAxesEditingProviderFactory.PROVIDER_NAME;

    }

    /**

     * @param drawingStatus

     * @param firstPointAxis1Value

     * @param secondPointAxis1Value

     * @param subtype

     * @param distance

     * @throws CreateGeometryException

     */

    @Override

    protected void addTemporaryGeometryToDrawingStatus(DefaultDrawingStatus drawingStatus, Point firstPointAxis1Value,

            Point secondPointAxis1Value, int subtype, double distance) throws CreateGeometryException {

        PeriEllipse periEllipse = (PeriEllipse) GeometryLocator.getGeometryManager().create(Geometry.TYPES.PERIELLIPSE, subtype);

        periEllipse.setPoints(firstPointAxis1Value, secondPointAxis1Value, distance);

        EditingProviderManager editingProviderManager = EditingProviderLocator.getProviderManager();

        ISymbol lineSymbolEditing = editingProviderManager.getSymbol("line-symbol-editing");

        drawingStatus.addStatus(periEllipse, lineSymbolEditing, "");

    }

}