Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 * 

 * 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.

 * 

 */

package org.gvsig.editing.gui.cad.tools;

import java.awt.event.InputEvent;

import java.util.ArrayList;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.andami.PluginServices;

import org.gvsig.editing.gui.cad.DefaultCADTool;

import org.gvsig.editing.gui.cad.exception.CommandException;

import org.gvsig.editing.gui.cad.tools.smc.MultiPointCADToolContext;

import org.gvsig.editing.gui.cad.tools.smc.MultiPointCADToolContext.MultiPointCADToolState;

import org.gvsig.fmap.dal.feature.exception.CreateGeometryException;

import org.gvsig.fmap.geom.Geometry.SUBTYPES;

import org.gvsig.fmap.geom.Geometry.TYPES;

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

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

import org.gvsig.fmap.mapcontrol.MapControlDrawer;

/**

 * DOCUMENT ME!

 * 

 * @author Vicente Caballero Navarro

 */

public class MultiPointCADTool extends DefaultCADTool {

    private static final Logger LOG = LoggerFactory

        .getLogger(MultiPointCADTool.class);

    protected MultiPointCADToolContext _fsm;

    protected ArrayList points = new ArrayList();

    /**

     * M?todo de incio, para poner el c?digo de todo lo que se requiera de una

     * carga previa a la utilizaci?n de la herramienta.

     */

    public void init() {

        _fsm = new MultiPointCADToolContext(this);

        /*

         * Clear points in case the user exited editing

         * the previous time without ending multipoint

         */

        points.clear();

    }

    /**

     * DOCUMENT ME!

     * 

     * @param x

     *            DOCUMENT ME!

     * @param y

     *            DOCUMENT ME!

     * @param sel

     *            DOCUMENT ME!

     */

    public void transition(double x, double y, InputEvent event) {

        _fsm.addPoint(x, y, event);

    }

    public void transition(double d) {

        _fsm.addValue(d);

    }

    public void transition(String s) throws CommandException {

        if (!super.changeCommand(s)) {

            _fsm.addOption(s);

        }

    }

    /**

     * Equivale al transition del prototipo pero sin pasarle como par? metro el

     * editableFeatureSource que ya estar? creado.

     * 

     * @param sel

     *            Bitset con las geometr?as que est?n seleccionadas.

     * @param x

     *            par?metro x del punto que se pase en esta transici?n.

     * @param y

     *            par?metro y del punto que se pase en esta transici?n.

     */

    public void addPoint(double x, double y, InputEvent event) {

        MultiPointCADToolState actualState =

            (MultiPointCADToolState) _fsm.getPreviousState();

        String status = actualState.getName();

        if (status.equals("MultiPoint.InsertPoint")) {

            points.add(new double[] { x, y });

            // addGeometry(ShapeFactory.createPoint2D(x, y));

        }

    }

    /**

     * M?todo para dibujar la lo necesario para el estado en el que nos

     * encontremos.

     * 

     * @param g

     *            Graphics sobre el que dibujar.

     * @param selectedGeometries

     *            BitSet con las geometr?as seleccionadas.

     * @param x

     *            par?metro x del punto que se pase para dibujar.

     * @param y

     *            par?metro x del punto que se pase para dibujar.

     */

    public void drawOperation(MapControlDrawer renderer, double x, double y) {

        try {

            int num = points.size();

            Point[] pointsAux = new Point[num];

            for (int i = 0; i < num; i++) {

                double[] p = (double[]) points.get(i);

                pointsAux[i] =

                    (Point) geomManager.create(TYPES.POINT, SUBTYPES.GEOM2D);

                pointsAux[i].setX(p[0]);

                pointsAux[i].setY(p[1]);

            }

            MultiPoint multiPoint =

                (MultiPoint) geomManager.create(TYPES.MULTIPOINT,

                    SUBTYPES.GEOM2D);

            for (int i = 0; i < pointsAux.length; i++) {

                multiPoint.addPoint(pointsAux[i]);

            }

            renderer.draw(multiPoint,

                mapControlManager.getGeometrySelectionSymbol());

            renderer.draw(createPoint(x, y),

                mapControlManager.getGeometrySelectionSymbol());

        } catch (org.gvsig.fmap.geom.exception.CreateGeometryException e) {

            LOG.error("Error drawing with renderer: " + renderer + ", x=" + x

                + ",y=" + y, new CreateGeometryException(TYPES.MULTIPOINT,

                SUBTYPES.GEOM2D, e));

        }

    }

    /**

     * Add a diferent option.

     * 

     * @param sel

     *            DOCUMENT ME!

     * @param s

     *            Diferent option.

     */

    public void addOption(String s) {

        // Nothing to do

    }

    public void addValue(double d) {

        // Nothing to do

    }

    public String getName() {

        return PluginServices.getText(this, "multipoint_");

    }

    public String toString() {

        return "_multipoint";

    }

    @Override

    protected int[] getSupportedGeometryTypes() {

        return new int[] { MULTIPOINT };

    }

    public void endGeometry() {

        try {

            int num = points.size();

            Point[] pointsAux = new Point[num];

            for (int i = 0; i < num; i++) {

                double[] p = (double[]) points.get(i);

                pointsAux[i] =

                    (Point) geomManager.create(TYPES.POINT, SUBTYPES.GEOM2D);

                pointsAux[i].setX(p[0]);

                pointsAux[i].setY(p[1]);

            }

            MultiPoint multiPoint = createMultiPoint();

            for (int i = 0; i < pointsAux.length; i++) {

                multiPoint.addPoint(pointsAux[i]);

            }

            insertAndSelectGeometry(multiPoint);

        } catch (org.gvsig.fmap.geom.exception.CreateGeometryException e) {

            LOG.error("Error ending geometry", new CreateGeometryException(

                TYPES.MULTIPOINT, SUBTYPES.GEOM2D, e));

        }

        end();

    }

    public void end() {

        points.clear();

        super.end();

    }

}