Application: gvSIG desktop

/* 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 org.gvsig.fmap.geom.aggregate;

import java.awt.Rectangle;

import java.awt.geom.AffineTransform;

import java.awt.geom.Rectangle2D;

import java.util.ArrayList;

import org.cresques.cts.IProjection;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

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

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

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

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

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

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

import org.gvsig.fmap.geom.primitive.Point2D;

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

/**

 * Multipunto 2D.

 *

 * @author Vicente Caballero Navarro

 */

public class MultiPoint2D extends BaseMultiPrimitive implements MultiPoint {

        private static final long serialVersionUID = 1L;

        private static GeometryType geomType = GeometryLocator.getGeometryManager()

        .registerGeometryType(MultiPoint2D.class, null, TYPES.MULTIPOINT, SUBTYPES.GEOM2D);

        public static int CODE = geomType.getId();

        /**

         * Constructor without arguments. It is necessary to create

         * geometries using the {@link GeometryType}{@link #create()}

         * method

         */

        public MultiPoint2D() {

                super();                

        }

        public MultiPoint2D(IProjection projection, Point2D[] points) {

                this(null, projection, points);

        }

        public MultiPoint2D(Point2D[] points) {

                this(null, null, points);

        }

        public MultiPoint2D(IProjection projection) {

                this(null, projection, null);

        }

        public MultiPoint2D(String id, IProjection projection, Point2D[] points) {

                super(id, projection, points);

        }

        public MultiPoint2D(String id, IProjection projection) {

                this(id, projection, null);

        }

        public MultiPoint2D(double[] x, double[] y) {

                this(null, null, x, y);

        }

        /**

         * Crea un nuevo MultiPoint2D.

         *

         * @param x

         *            DOCUMENT ME!

         * @param y

         *            DOCUMENT ME!

         */

        public MultiPoint2D(String id, IProjection projection, double[] x,

                        double[] y) {

                super(id, projection);

                geometries = new ArrayList();

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

                        geometries.add(new Point2D(id, projection, x[i], y[i]));

                }

        }

        /*

         * (non-Javadoc)

         *

         * @see com.iver.cit.gvsig.fmap.core.IGeometry#cloneGeometry()

         */

        public Geometry cloneGeometry() {

                MultiPoint auxPoint = new MultiPoint2D(id, projection);

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

                        auxPoint.addPoint((Point)((Point) geometries.get(i)).cloneGeometry());

                }

                return auxPoint;

        }

        /*

         * (non-Javadoc)

         *

         * @see com.iver.cit.gvsig.fmap.core.FGeometryCollection#getBounds()

         */

        public Rectangle getBounds() {

                Rectangle r = null;

                if (getNumgeometries() > 0) {

                        r = ((Point)geometries.get(0)).getBounds();

                }

                for (int i = 1; i < getNumgeometries(); i++) {

                        java.awt.geom.Point2D p = ((Point)geometries.get(i))

                                        .getHandlers(Geometry.SELECTHANDLER)[0].getPoint();

                        r.add(p.getX(), p.getY());

                }

                return r;

        }

        /*

         * (non-Javadoc)

         *

         * @see com.iver.cit.gvsig.fmap.core.IGeometry#getBounds2D()

         */

        public Rectangle2D getBounds2D() {

                Rectangle2D r = null;

                if (getNumgeometries() > 0) {

                        java.awt.geom.Point2D p = ((Point)geometries.get(0))

                                        .getHandlers(Geometry.SELECTHANDLER)[0].getPoint();

                        r = new Rectangle2D.Double(p.getX(), p.getY(), 0.001, 0.001);

                }

                for (int i = 1; i < getNumgeometries(); i++) {

                        java.awt.geom.Point2D p = ((Point)geometries.get(i))

                                        .getHandlers(Geometry.SELECTHANDLER)[0].getPoint();

                        r.add(p.getX(), p.getY());

                }

                return r;

        }

        /*

         * (non-Javadoc)

         *

         * @see com.iver.cit.gvsig.fmap.core.FShape#getShapeType()

         */

        public int getShapeType() {

                return FShape.MULTIPOINT;

        }

        /*

         * (non-Javadoc)

         *

         * @see com.iver.cit.gvsig.fmap.core.FShape#cloneFShape()

         */

        public FShape cloneFShape() {

                Point2D[] aux = new Point2D[getNumgeometries()];

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

                        aux[i] = (Point2D) ((Point)geometries.get(i)).cloneGeometry().getInternalShape();

                }

                return (FShape) new MultiPoint2D(id, projection, aux);

        }

        /**

         * @return the numbre of points

         * @deprecated use getPrimitivesNumber

         */

        public int getNumgeometries() {

                return getPrimitivesNumber();

        }

        /**

         * @return the numbre of points

         * @deprecated use getPrimitivesNumber

         */

        public int getNumPoints() {

                return getPrimitivesNumber();

        }

        public Point2D getPoint(int i) {

                return (Point2D) ((Point)geometries.get(i)).getInternalShape();

        }

        /**

         * DOCUMENT ME!

         *

         * @author Vicente Caballero Navarro

         */

        class PointHandler extends AbstractHandler {

                /**

                 * Crea un nuevo PointHandler.

                 *

                 * @param x

                 *            DOCUMENT ME!

                 * @param y

                 *            DOCUMENT ME!

                 */

                public PointHandler(int i, Point2D p) {

                        point = new java.awt.geom.Point2D.Double(p.getX(), p.getY());

                        index = i;

                }

                /**

                 * DOCUMENT ME!

                 *

                 * @param x

                 *            DOCUMENT ME!

                 * @param y

                 *            DOCUMENT ME!

                 *

                 * @return DOCUMENT ME!

                 */

                public void move(double x, double y) {

                        java.awt.geom.Point2D p = ((Point)geometries.get(index))

                                        .getHandlers(Geometry.SELECTHANDLER)[0].getPoint();

                        point.setLocation(p.getX() + x, p.getY() + y);

                }

                /**

                 * @see org.gvsig.fmap.geom.handler.Handler#set(double, double)

                 */

                public void set(double x, double y) {

                        point.setLocation(x, y);

                }

        }

        public void transform(AffineTransform at) {

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

                        ((Point)geometries.get(i)).transform(at);

                }

        }

        public Envelope getEnvelope() {

                Envelope r = null;

                if (getNumgeometries() > 0) {

                        java.awt.geom.Point2D p = ((Point)geometries.get(0))

                                        .getHandlers(Geometry.SELECTHANDLER)[0].getPoint();

                        r = new DefaultEnvelope(2,new double[]{p.getX(), p.getY()},new double[]{ p.getX()+0.001, p.getY()+0.001});

                }

                for (int i = 1; i < getNumgeometries(); i++) {

                        java.awt.geom.Point2D p = ((Point)geometries.get(i))

                                        .getHandlers(Geometry.SELECTHANDLER)[0].getPoint();

                        r.add(new DefaultEnvelope(2,new double[]{p.getX(), p.getY()},new double[]{ p.getX()+0.001, p.getY()+0.001}));

                }

                return r;

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.geom.primitive.AbstractPrimitive#getGeometryType()

         */

        public GeometryType getGeometryType() {

                return geomType;

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.geom.Geometry#getType()

         */

        public int getType() {

                return geomType.getType();

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.geom.aggregate.MultiPoint#addPoint(org.gvsig.fmap.geom.primitive.Point)

         */

        public void addPoint(Point point) {

                addPrimitive(point);                

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.geom.aggregate.MultiPoint#setPoints(double[], double[])

         */

        public void setPoints(double[] x, double[] y) {

                geometries = new ArrayList();

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

                        geometries.add(new Point2D(id, projection, x[i], y[i]));

                }        

        }

}