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.awt.event.MouseEvent;

import java.awt.geom.Point2D;

import java.util.ArrayList;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

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

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

import org.gvsig.editing.gui.cad.tools.smc.SplineCADToolContext.SplineCADToolState;

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

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.mapcontext.ViewPort;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.fmap.mapcontrol.MapControlDrawer;

/**

 * CADTool Spline

 * 

 * @author Vicente Caballero Navarro

 */

public class SplineCADTool extends AbstractCurveCADTool {

    protected SplineCADToolContext _fsm;

    protected ArrayList list = new ArrayList();

    protected boolean close = false;

    /**

     * 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 SplineCADToolContext(this);

    }

    public void endGeometry() {

        try {

            int geometryType = ((FLyrVect) getVLE().getLayer()).getShapeType();

            if (((geometryType == Geometry.TYPES.SURFACE) || (geometryType == Geometry.TYPES.MULTISURFACE))

                && !close) {

                closeGeometry();

            }

        } catch (ReadException e) {

            NotificationManager.addError(e.getMessage(), e);

        }

        // No queremos guardar FGeometryCollections:

        Geometry newGeom =

            createSpline((Point2D[]) list.toArray(new Point2D[0]));

        insertAndSelectGeometry(newGeom);

        _fsm = new SplineCADToolContext(this);

        list.clear();

        clearTemporalCache();

        close = false;

    }

    public void closeGeometry() {

        close = true;

        Point2D endPoint =

            new Point2D.Double(((Point2D) list.get(0)).getX(),

                ((Point2D) list.get(0)).getY());

        list.add(endPoint);

    }

    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) {

        SplineCADToolState actualState =

            (SplineCADToolState) _fsm.getPreviousState();

        String status = actualState.getName();

        if (status.equals("Spline.NextPoint")

            || status.equals("Spline.FirstPoint")) {

            list.add(new Point2D.Double(x, y));

            Geometry spline =

                createSpline((Point2D[]) list.toArray(new Point2D[0]));

            if (spline != null) {

                addTemporalCache(spline);

            }

        }

    }

    /**

     * M?todo para dibujar 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) {

        SplineCADToolState actualState = _fsm.getState();

        String status = actualState.getName();

        if (status.equals("Spline.NextPoint")

            || status.equals("Spline.FirstPoint")) {

            // ArrayList points=new ArrayList();

            Point2D[] points = new Point2D[list.size() + 1];

            Point2D[] auxPoints = (Point2D[]) list.toArray(new Point2D[0]);

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

                points[i] = (Point2D) auxPoints[i].clone();

            }

            points[points.length - 1] = new Point2D.Double(x, y);

            Geometry spline = createSpline(points);

            ViewPort vp = getCadToolAdapter().getMapControl().getViewPort();

            renderer.draw(spline, mapControlManager.getSelectionSymbol());

        }

    }

    /**

     * Add a diferent option.

     * 

     * @param sel

     *            DOCUMENT ME!

     * @param s

     *            Diferent option.

     */

    public void addOption(String s) {

    }

    /*

     * (non-Javadoc)

     * 

     * @see com.iver.cit.gvsig.gui.cad.CADTool#addvalue(double)

     */

    public void addValue(double d) {

    }

    public void cancel() {

        list.clear();

        clearTemporalCache();

        close = false;

    }

    public void end() {

        // Nothing to do

    }

    public String getName() {

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

    }

    public String toString() {

        return "_Spline";

    }

    public void endTransition(double x, double y, MouseEvent event) {

        _fsm.endPoint(x, y, event);

    }

    @Override

    protected int getSupportedPrimitiveGeometryType() {

        return SPLINE;

    }

}