| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.gui.cad.tools;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.geom.Point2D;

import java.io.IOException;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.core.ShapeFactory;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

import com.iver.cit.gvsig.fmap.edition.EditableFeatureSource;

import com.iver.cit.gvsig.fmap.edition.cad.Status;

import com.iver.cit.gvsig.fmap.layers.FBitSet;

import com.iver.cit.gvsig.gui.cad.CadTool;

import com.iver.cit.gvsig.gui.cad.automaton.Arco;

import com.iver.fsac.Automaton;

/**

 * Herramienta para crear un arco a partir de tres puntos.

 *

 * @author Vicente Caballero Navarro

 */

public class ArcCadTool extends AbstractCadTool {

        private static Status[] STATUS = {

                        new Status("Precise punto inicial"),

                        new Status("Precise segundo punto"),

                        new Status("Precise punto final")

                };

        private Arco arcStatus = new Arco();

        private Point2D p1;

        private Point2D p2;

        private Point2D p3;

        /**

         * @see com.iver.cit.gvsig.gui.cad.CadTool#transition(java.lang.String,

         *                 com.iver.cit.gvsig.fmap.edition.EditableFeatureSource,

         *                 com.iver.cit.gvsig.fmap.layers.FBitSet, double[])

         */

        public int transition(String text, EditableFeatureSource editingSource,

                FBitSet selectedGeometries, double[] values) {

                int ret = arcStatus.transition(text);

                int status = arcStatus.getStatus();

                if (status == 0) {

                } else if (status == 1) {

                        p1 = new Point2D.Double(values[0], values[1]);

                } else if (status == 2) {

                        p2 = new Point2D.Double(values[0], values[1]);

                } else if (status == 3) {

                        p3 = new Point2D.Double(values[0], values[1]);

                        try {

                                IGeometry ig = ShapeFactory.createArc(p1, p2, p3);

                                if (ig != null)

                                editingSource.addGeometry(ig);

                        } catch (DriverIOException e) {

                                e.printStackTrace();

                        } catch (IOException e) {

                                e.printStackTrace();

                        }

                        ret = ret | arcStatus.transition("cancel");

                }

                return ret;

        }

        /**

         * @see com.iver.cit.gvsig.gui.cad.CadTool#drawOperation(java.awt.Graphics,

         *                 com.iver.cit.gvsig.fmap.edition.EditableFeatureSource,

         *                 com.iver.cit.gvsig.fmap.layers.FBitSet, double, double)

         */

        public void drawOperation(Graphics g, EditableFeatureSource efs,

                FBitSet selectedGeometries, double x, double y) {

                int status = arcStatus.getStatus();

                if (status==1){

                        drawLine((Graphics2D)g,p1,new Point2D.Double(x, y));

                }else if (status == 2){

                        Point2D current = new Point2D.Double(x, y);

                        IGeometry ig = ShapeFactory.createArc(p1, p2, current);

                        if (ig != null)

                        ig.draw((Graphics2D)g, getCadToolAdapter().getMapControl().getViewPort(), CadTool.modifySymbol);

                        Point2D p = getCadToolAdapter().getMapControl().getViewPort().fromMapPoint(p1.getX(), p1.getY());

                        g.drawRect((int) p.getX(), (int) p.getY(), 1, 1);

                        p = getCadToolAdapter().getMapControl().getViewPort().fromMapPoint(p2.getX(), p2.getY());

                        g.drawRect((int) p.getX(), (int) p.getY(), 1, 1);

                }

        }

        /**

         * @see com.iver.cit.gvsig.gui.cad.CadTool#getQuestion()

         */

        public String getQuestion() {

                return STATUS[arcStatus.getStatus()].getQuestion();

        }

        /**

         * @see com.iver.cit.gvsig.gui.cad.CadTool#initializeStatus()

         */

        public void initializeStatus() {

                arcStatus.initialize();

                p1 = null;

                p2 = null;

                p3 = null;

        }

        /**

         * @see com.iver.cit.gvsig.gui.cad.CadTool#getAutomaton()

         */

        public Automaton getAutomaton() {

                return arcStatus;

        }

}