Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 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 3

 * 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.app.project.documents.view.toolListeners.snapping.snappers;

import java.awt.geom.Point2D;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.handler.Handler;

import org.gvsig.fmap.mapcontrol.PrimitivesDrawer;

import org.gvsig.fmap.mapcontrol.tools.snapping.snappers.ISnapperVectorial;

import org.gvsig.fmap.mapcontrol.tools.snapping.snappers.impl.AbstractSnapper;

import org.gvsig.i18n.Messages;

public class FinalPointSnapper extends AbstractSnapper implements ISnapperVectorial {

        public Point2D getSnapPoint(Point2D point, Geometry geom, double tolerance, Point2D lastPointEntered) {

                Point2D resul = null;

                Handler[] handlers = geom.getHandlers(Geometry.SELECTHANDLER);

                //                Point2D initPoint=handlers[0].getPoint();

                //                Point2D endPoint=handlers[handlers.length-1].getPoint();

                //                if (initPoint.equals(endPoint))

                //                        return resul;

                double minDist = tolerance;

                //                double dist = initPoint.distance(point);

                //                if (dist < minDist) {

                //                        resul = initPoint;

                //                        minDist = dist;

                //                }

                //

                //                dist = endPoint.distance(point);

                //                if (dist < minDist) {

                //                        resul = endPoint;

                //                }

                for (int j = 0; j < handlers.length; j++) {

                        Point2D handlerPoint = handlers[j].getPoint();

                        double dist = handlerPoint.distance(point);

                        if ((dist < minDist)) {

                                resul = handlerPoint;

                                minDist = dist;

                        }

                }

                return resul;

        }

        public String getToolTipText() {

            return Messages.getText("Final_point");

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.tools.snapping.snappers.ISnapper#draw(org.gvsig.fmap.mapcontrol.PrimitivesDrawer, java.awt.geom.Point2D)

         */

        public void draw(PrimitivesDrawer primitivesDrawer, Point2D pPixels) {

                primitivesDrawer.setColor(getColor());

                int half = getSizePixels() / 2;

                primitivesDrawer.drawRect((int) (pPixels.getX() - half),

                                (int) (pPixels.getY() - half),

                                getSizePixels(), getSizePixels());

        }

}