Application: gvSIG desktop

package org.gvsig.fmap.geom.primitive.impl;

import java.awt.Rectangle;

import java.awt.Shape;

import java.awt.geom.AffineTransform;

import java.awt.geom.Line2D;

import java.awt.geom.PathIterator;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import java.util.ArrayList;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.gvsig.fmap.geom.GeometryException;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.exception.CreateGeometryException;

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

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

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

import org.gvsig.fmap.geom.impl.DrawGeometryShape;

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

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

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

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

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

import org.gvsig.tools.locator.LocatorException;

/* 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

 */

/* CVS MESSAGES:

 *

 * $Id: FOrientablePrimitive2D.java,v 1.1 2008/03/12 08:46:20 cvs Exp $

 * $Log: FOrientablePrimitive2D.java,v $

 * Revision 1.1  2008/03/12 08:46:20  cvs

 * *** empty log message ***

 *

 *

 */

/**

 * @author Jorge Piera Llodr� (jorge.piera@iver.es)

 */

public abstract class OrientablePrimitive2D extends AbstractPrimitive implements OrientablePrimitive {

    private static final long serialVersionUID = -820881421374434713L;

    protected GeneralPathX gp;

    /**

     * The constructor with the GeometryType like and argument

     * is used by the {@link GeometryType}{@link #create()}

     * to create the geometry

     * @param type

     * The geometry type

     */

    public OrientablePrimitive2D(GeometryType geometryType) {

        super(geometryType, null, null);

        gp = new GeneralPathX();

    }

    public OrientablePrimitive2D(GeometryType geometryType, String id, IProjection projection, GeneralPathX gp){

        super(geometryType, id, projection);

        this.gp = gp;

    }

    /**

     * TODO método creado para dar visibilidad a gp despues de la refactorización

     * @return

     */

    public GeneralPathX getGeneralPathX() {

        return gp;

    }

    /* (non-Javadoc)

     * @see java.awt.Shape#contains(double, double)

     */

    public boolean contains(double x, double y) {

        return gp.contains(x, y);

    }

    /* (non-Javadoc)

     * @see java.awt.Shape#contains(double, double, double, double)

     */

    public boolean contains(double x, double y, double w, double h) {

        return gp.contains(x, y, w, h);

    }

    /* (non-Javadoc)

     * @see java.awt.Shape#intersects(double, double, double, double)

     */

    public boolean intersects(double x, double y, double w, double h) {

        // M�s r�pido

        return gp.intersects(x, y, w, h);

    }

    /* (non-Javadoc)

     * @see java.awt.Shape#getBounds()

     */

    public Rectangle getBounds() {

        return gp.getBounds();

    }

    /* (non-Javadoc)

     * @see java.awt.Shape#contains(java.awt.geom.Point2D)

     */

    public boolean contains(Point2D p) {

        return gp.contains(p);

    }

    /* (non-Javadoc)

     * @see java.awt.Shape#getBounds2D()

     */

    public Rectangle2D getBounds2D() {

        return gp.getBounds2D();

    }

    /* (non-Javadoc)

     * @see java.awt.Shape#contains(java.awt.geom.Rectangle2D)

     */

    public boolean contains(Rectangle2D r) {

        return gp.contains(r);

    }

    /**

     * El m�todo intersects de java.awt.Shape que define la intersecci�n entre

     * una polil�nea y un Rectangle2D considera la polil�nea como un Shape

     * gen�rico y se producen errores en la selecci�n de polil�neas. Por este

     * motivo se ha modificado este m�todo intersect() de FPolyline2D para que

     * realize la intersecci�n estricta entre el Rectangle2D y la polil�nea en

     * cuesti�n. El precio es un incremento de tiempo m�ximo del 50%.

     *

     * @param r Rect�ngulo.

     *

     * @return True si intersecta con el rectangulo que se pasa como par�metro.

     */

    public boolean intersects(Rectangle2D r) {

        //return gp.intersects(r);

        // M�s exacto

        boolean bool = false;

        if (gp.intersects(r)) {

            ArrayList arrayCoords;

            int theType;

            //Use this array to store segment coordinate data

            double[] theData = new double[6];

            PathIterator theIterator;

            Point2D p1 = new Point2D.Double(r.getMinX(),r.getMinY());

            Point2D p2 = new Point2D.Double(r.getMinX(),r.getMaxY());

            Point2D p3 = new Point2D.Double(r.getMaxX(),r.getMaxY());

            Point2D p4 = new Point2D.Double(r.getMaxX(),r.getMinY());

            Line2D l1 = new Line2D.Double(p1,p2);

            Line2D l2 = new Line2D.Double(p2,p3);

            Line2D l3 = new Line2D.Double(p3,p4);

            Line2D l4 = new Line2D.Double(p4,p1);

            theIterator = this.getPathIterator(null, geomManager.getFlatness());

            arrayCoords = new ArrayList();

            while(!theIterator.isDone()) {

                theType = theIterator.currentSegment(theData);

                if (theType==PathIterator.SEG_MOVETO) {

                    arrayCoords.add(new Point2D.Double(theData[0], theData[1]));

                } else if (theType==PathIterator.SEG_LINETO) {

                    arrayCoords.add(new Point2D.Double(theData[0], theData[1]));

                    Point2D pAnt = (Point2D)arrayCoords.get(arrayCoords.size()-2);

                    Line2D l = new Line2D.Double(pAnt.getX(),pAnt.getY(),theData[0],theData[1]);

                    if (l.intersectsLine(l1.getX1(),l1.getY1(),l1.getX2(),l1.getY2())

                        || l.intersectsLine(l2.getX1(),l2.getY1(),l2.getX2(),l2.getY2())

                        || l.intersectsLine(l3.getX1(),l3.getY1(),l3.getX2(),l3.getY2())

                        || l.intersectsLine(l4.getX1(),l4.getY1(),l4.getX2(),l4.getY2())

                        || r.intersectsLine(l)) {

                        bool = true;

                    }

                } else if(theType==PathIterator.SEG_CLOSE){

                    Point2D firstPoint=(Point2D)arrayCoords.get(0);

                    Point2D pAnt = (Point2D)arrayCoords.get(arrayCoords.size()-1);

                    Line2D l = new Line2D.Double(pAnt.getX(),pAnt.getY(),firstPoint.getX(),firstPoint.getY());

                    if (l.intersectsLine(l1.getX1(),l1.getY1(),l1.getX2(),l1.getY2())

                        || l.intersectsLine(l2.getX1(),l2.getY1(),l2.getX2(),l2.getY2())

                        || l.intersectsLine(l3.getX1(),l3.getY1(),l3.getX2(),l3.getY2())

                        || l.intersectsLine(l4.getX1(),l4.getY1(),l4.getX2(),l4.getY2())

                        || r.intersectsLine(l)) {

                        bool = true;

                    }

                }else {

                    System.out.println("Not supported here");

                }

                theIterator.next();

            }

        }

        return bool;

    }

    /* (non-Javadoc)

     * @see java.awt.Shape#getPathIterator(java.awt.geom.AffineTransform)

     */

    public PathIterator getPathIterator(AffineTransform at) {

        return gp.getPathIterator(at);

    }

    /* (non-Javadoc)

     * @see java.awt.Shape#getPathIterator(java.awt.geom.AffineTransform, double)

     */

    public PathIterator getPathIterator(AffineTransform at, double flatness) {

        return gp.getPathIterator(at, flatness);

    }

    /**

     * DOCUMENT ME!

     *

     * @param at DOCUMENT ME!

     */

    public void transform(AffineTransform at) {

        // TODO: PRUEBA. BORRAR ESTA LINEA

        // gp = FConverter.transformToInts(gp, at);

        gp.transform(at);

    }

    /* (non-Javadoc)

     * @see com.iver.cit.gvsig.fmap.core.FShape#reProject(org.cresques.cts.ICoordTrans)

     */

    public void reProject(ICoordTrans ct) {

        gp.reProject(ct);

    }

    /* (non-Javadoc)

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

     */

    public Handler[] getStretchingHandlers() {

        ArrayList handlers = new ArrayList();

        PathIterator gpi = getPathIterator(null);

        double[] theData = new double[6];

        int i=0;

        while (!gpi.isDone()) {

            gpi.currentSegment(theData);

            //g.fillRect((int)(theData[0]-3),(int)(theData[1]-3),6,6);

            handlers.add(new PointHandler(i,theData[0], theData[1]));

            i++;

            gpi.next();

        }

        return (Handler[]) handlers.toArray(new Handler[0]);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#getCoordinateAt(int, int)

     */

    public double getCoordinateAt(int index, int dimension) {

        if (index > gp.getNumCoords()){

            throw new ArrayIndexOutOfBoundsException();

        }

        return gp.getPointAt(index).getCoordinateAt(dimension);

    }

    /* (non-Javadoc)

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

     */

    public Handler[] getSelectHandlers() {

        Handler[] handlers = new Handler[gp.getNumCoords()];

        for (int i=0 ; i<gp.getNumCoords() ; i++){

            handlers[i] = new PointSelHandler(i, gp.getPointAt(i).getX(), gp.getPointAt(i).getY());

        }

        return handlers;

    }

    /**

     * DOCUMENT ME!

     *

     * @author Vicente Caballero Navarro

     */

    class PointHandler extends AbstractHandler implements FinalHandler{

        /**

         * Crea un nuevo PointHandler.

         *

         * @param x DOCUMENT ME!

         * @param y DOCUMENT ME!

         */

        public PointHandler(int i,double x, double y) {

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

            index = i;

        }

        /**

         * DOCUMENT ME!

         *

         * @param x DOCUMENT ME!

         * @param y DOCUMENT ME!

         *

         * @return DOCUMENT ME!

         */

        public void move(double x, double y) {

            Point point = gp.getPointAt(index);

            point.setX(point.getX() + x);

            point.setY(point.getY() + y);

        }

        /**

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

         */

        public void set(double x, double y) {

            Point point = gp.getPointAt(index);

            point.setX(x);

            point.setY(y);

        }

    }

    /**

     * DOCUMENT ME!

     *

     * @author Vicente Caballero Navarro

     */

    class PointSelHandler extends AbstractHandler implements FinalHandler{

        /**

         * Crea un nuevo PointHandler.

         *

         * @param x DOCUMENT ME!

         * @param y DOCUMENT ME!

         */

        public PointSelHandler(int i,double x, double y) {

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

            index = i;

        }

        /**

         * DOCUMENT ME!

         *

         * @param x DOCUMENT ME!

         * @param y DOCUMENT ME!

         *

         * @return DOCUMENT ME!

         */

        public void move(double x, double y) {

            Point point = gp.getPointAt(index);

            point.setX(point.getX() + x);

            point.setY(point.getY() + y);

        }

        /**

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

         */

        public void set(double x, double y) {

            Point point = gp.getPointAt(index);

            point.setX(x);

            point.setY(y);

        }

    }

    /*

     * (non-Javadoc)

     * @see org.gvsig.geometries.iso.GM_Object#coordinateDimension()

     */

    public int getDimension() {

        return 2;

    }

    public Envelope getEnvelope() {

        Rectangle2D r=gp.getBounds2D();

        return new Envelope2D(r.getX(),r.getY(),r.getMaxX(),r.getMaxY());

    }

    public GeneralPathX getGeneralPath() {

        return gp;

    }

    public int getNumVertices() {

        return gp.getNumCoords();

    }

    public void addVertex(Point point) {

            if( this.getNumVertices()== 0 ) {

                    gp.moveTo(point);

            } else {

                    gp.lineTo(point);

            }

    }

    public void addVertex(double x, double y)  {

                try {

                    Point point;

                        point = GeometryLocator.getGeometryManager().createPoint(x, y, SUBTYPES.GEOM2D);

                    addVertex(point);

                } catch (CreateGeometryException e) {

                        throw new RuntimeException(e.getMessage());

                }

    }

    public void addVertex(double x, double y, double z) {

                try {

                    Point point;

                        point = GeometryLocator.getGeometryManager().createPoint(x, y, SUBTYPES.GEOM3D);

                        point.setCoordinateAt(DIMENSIONS.Z, z);

                    addVertex(point);

                } catch (CreateGeometryException e) {

                        throw new RuntimeException(e.getMessage());

                }

    }

    public void addMoveToVertex(Point point) {

        gp.moveTo(point);

    }

    public void closePrimitive() {

        gp.closePath();

    }

    public void setVertex(int index, Point p) {

        throw new UnsupportedOperationException("Method not implemented");

    }

    public Point getVertex(int index) {

        return gp.getPointAt(index);

    }

    public void insertVertex(int index, Point p) {

        throw new UnsupportedOperationException("Method not implemented");

    }

    public void removeVertex(int index) {

        throw new UnsupportedOperationException("Method not implemented");

    }

    public void setCoordinateAt(int index, int dimension, double value) {

        gp.getPointAt(index).setCoordinateAt(dimension, value);

    }

    public void setGeneralPath(GeneralPathX generalPathX) {

        this.gp = generalPathX;

    }

    public void setPoints(Point startPoint, Point endPoint) {

        throw new UnsupportedOperationException("Method not implemented");

    }

    public Shape getShape() {

        return new DrawGeometryShape(this);

    }

    public Shape getShape(AffineTransform affineTransform) {

        return new DrawGeometryShape(this, affineTransform);

    }

}