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svn-gvsig-desktop / trunk / extensions / extCAD / src / com / iver / cit / gvsig / gui / cad / tools / RectangleCADTool.java @ 4899

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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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 *
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 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.
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 *
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 * For more information, contact:
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 *
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 *  Generalitat Valenciana
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 *   Conselleria d'Infraestructures i Transport
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 *   Av. Blasco Ib??ez, 50
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 *   46010 VALENCIA
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 *   SPAIN
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 *
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 *      +34 963862235
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 *   gvsig@gva.es
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 *      www.gvsig.gva.es
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 *
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 *    or
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 *
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 *   IVER T.I. S.A
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 *   Salamanca 50
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 *   46005 Valencia
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 *   Spain
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 *
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 *   +34 963163400
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 *   dac@iver.es
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 */
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package com.iver.cit.gvsig.gui.cad.tools;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.event.InputEvent;
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import java.awt.geom.Point2D;
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import com.iver.andami.PluginServices;
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import com.iver.cit.gvsig.fmap.core.GeneralPathX;
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import com.iver.cit.gvsig.fmap.core.ShapeFactory;
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import com.iver.cit.gvsig.gui.cad.CADTool;
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import com.iver.cit.gvsig.gui.cad.DefaultCADTool;
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import com.iver.cit.gvsig.gui.cad.tools.smc.RectangleCADToolContext;
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import com.iver.cit.gvsig.gui.cad.tools.smc.RectangleCADToolContext.RectangleCADToolState;
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/**
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 * DOCUMENT ME!
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 *
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 * @author Vicente Caballero Navarro
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 */
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public class RectangleCADTool extends DefaultCADTool {
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    private RectangleCADToolContext _fsm;
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    private Point2D firstPoint;
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    private Point2D lastPoint;
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    /**
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     * Crea un nuevo LineCADTool.
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     */
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    public RectangleCADTool() {
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    }
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    /**
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     * M?todo de incio, para poner el c?digo de todo lo que se requiera de una
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     * carga previa a la utilizaci?n de la herramienta.
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     */
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    public void init() {
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            _fsm = new RectangleCADToolContext(this);
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    }
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    /* (non-Javadoc)
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     * @see com.iver.cit.gvsig.gui.cad.CADTool#transition(com.iver.cit.gvsig.fmap.layers.FBitSet, double, double)
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     */
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    public void transition(double x, double y, InputEvent event) {
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        _fsm.addPoint(x, y, event);
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    }
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    /* (non-Javadoc)
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     * @see com.iver.cit.gvsig.gui.cad.CADTool#transition(com.iver.cit.gvsig.fmap.layers.FBitSet, double)
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     */
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    public void transition(double d) {
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        //_fsm.addvalue(sel,d);
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    }
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    /* (non-Javadoc)
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     * @see com.iver.cit.gvsig.gui.cad.CADTool#transition(com.iver.cit.gvsig.fmap.layers.FBitSet, java.lang.String)
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     */
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    public void transition(String s) {
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            if (!super.changeCommand(s)){
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                    _fsm.addOption(s);
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            }
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    }
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    /**
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     * Equivale al transition del prototipo pero sin pasarle como par? metro el
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     * editableFeatureSource que ya estar? creado.
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     *
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     * @param sel Bitset con las geometr?as que est?n seleccionadas.
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     * @param x par?metro x del punto que se pase en esta transici?n.
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     * @param y par?metro y del punto que se pase en esta transici?n.
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     */
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    public void addPoint(double x, double y,InputEvent event) {
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        RectangleCADToolState actualState = (RectangleCADToolState) _fsm.getPreviousState();
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        String status = actualState.getName();
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        if (status.equals("Rectangle.FirstPoint")) {
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            firstPoint = new Point2D.Double(x, y);
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        } else if (status == "Rectangle.SecondPointOrSquare") {
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            lastPoint = new Point2D.Double(x, y);
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            GeneralPathX elShape = new GeneralPathX();
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            elShape.moveTo(firstPoint.getX(), firstPoint.getY());
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            elShape.lineTo(lastPoint.getX(), firstPoint.getY());
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            elShape.lineTo(lastPoint.getX(), lastPoint.getY());
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            elShape.lineTo(firstPoint.getX(), lastPoint.getY());
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            //elShape.lineTo(firstPoint.getX(), firstPoint.getY());
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            elShape.closePath();
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            addGeometry(ShapeFactory.createPolyline2D(elShape));
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            firstPoint = (Point2D) lastPoint.clone();
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        } else if (status == "Rectangle.SecondPointSquare") {
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            lastPoint = new Point2D.Double(x, y);
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            GeneralPathX elShape = new GeneralPathX();
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            elShape.moveTo(firstPoint.getX(), firstPoint.getY());
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            elShape.lineTo(lastPoint.getX(), firstPoint.getY());
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            if (((lastPoint.getY() <= firstPoint.getY()) &&
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                    (lastPoint.getX() <= firstPoint.getX())) ||
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                    ((lastPoint.getY() > firstPoint.getY()) &&
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                    (lastPoint.getX() > firstPoint.getX()))) {
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                elShape.lineTo(lastPoint.getX(),
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                    firstPoint.getY() + (lastPoint.getX() - firstPoint.getX()));
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                elShape.lineTo(firstPoint.getX(),
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                    firstPoint.getY() + (lastPoint.getX() - firstPoint.getX()));
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            } else {
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                elShape.lineTo(lastPoint.getX(),
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                    firstPoint.getY() - (lastPoint.getX() - firstPoint.getX()));
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                elShape.lineTo(firstPoint.getX(),
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                    firstPoint.getY() - (lastPoint.getX() - firstPoint.getX()));
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            }
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            //elShape.lineTo(firstPoint.getX(), firstPoint.getY());
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            elShape.closePath();
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            addGeometry(ShapeFactory.createPolyline2D(elShape));
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            firstPoint = (Point2D) lastPoint.clone();
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        }
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    }
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    /**
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     * M?todo para dibujar la lo necesario para el estado en el que nos
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     * encontremos.
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     *
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     * @param g Graphics sobre el que dibujar.
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     * @param selectedGeometries BitSet con las geometr?as seleccionadas.
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     * @param x par?metro x del punto que se pase para dibujar.
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     * @param y par?metro x del punto que se pase para dibujar.
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     */
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    public void drawOperation(Graphics g, double x,
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        double y) {
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        RectangleCADToolState actualState = _fsm.getState();
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        String status = actualState.getName();
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        if (status == "Rectangle.SecondPointOrSquare") {
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            GeneralPathX elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD,
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                    4);
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            elShape.moveTo(firstPoint.getX(), firstPoint.getY());
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            elShape.lineTo(x, firstPoint.getY());
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            elShape.lineTo(x, y);
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            elShape.lineTo(firstPoint.getX(), y);
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            elShape.lineTo(firstPoint.getX(), firstPoint.getY());
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            ShapeFactory.createPolyline2D(elShape).draw((Graphics2D) g,
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                getCadToolAdapter().getMapControl().getViewPort(),
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                CADTool.drawingSymbol);
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        } else if (status == "Rectangle.SecondPointSquare") {
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            GeneralPathX elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD,
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                    4);
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            elShape.moveTo(firstPoint.getX(), firstPoint.getY());
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            elShape.lineTo(x, firstPoint.getY());
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            if (((y <= firstPoint.getY()) && (x <= firstPoint.getX())) ||
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                    ((y > firstPoint.getY()) && (x > firstPoint.getX()))) {
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                elShape.lineTo(x, firstPoint.getY() + (x - firstPoint.getX()));
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                elShape.lineTo(firstPoint.getX(),
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                    firstPoint.getY() + (x - firstPoint.getX()));
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                elShape.lineTo(firstPoint.getX(), firstPoint.getY());
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            } else {
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                elShape.lineTo(x, firstPoint.getY() - (x - firstPoint.getX()));
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                elShape.lineTo(firstPoint.getX(),
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                    firstPoint.getY() - (x - firstPoint.getX()));
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                elShape.lineTo(firstPoint.getX(), firstPoint.getY());
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            }
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            ShapeFactory.createPolyline2D(elShape).draw((Graphics2D) g,
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                getCadToolAdapter().getMapControl().getViewPort(),
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                CADTool.drawingSymbol);
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        }
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    }
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    /**
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     * Add a diferent option.
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     *
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     * @param sel DOCUMENT ME!
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     * @param s Diferent option.
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     */
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    public void addOption(String s) {
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        RectangleCADToolState actualState = (RectangleCADToolState) _fsm.getPreviousState();
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        String status = actualState.getName();
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        if (status == "Rectangle.SecondPointOrSquare") {
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            if (s.equals("C") || s.equals("c")) {
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                //Opci?n correcta
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            }
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        }
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    }
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    /* (non-Javadoc)
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     * @see com.iver.cit.gvsig.gui.cad.CADTool#addvalue(double)
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     */
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    public void addValue(double d) {
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    }
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        public String getName() {
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                return PluginServices.getText(this,"rectangle_");
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        }
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        public String toString() {
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                return "_rectangle";
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        }
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}