Application: gvSIG desktop

			<menu text="geometria/insertar/desplazar" action-command="MOVE" icon="images/Move.png"/>

				<selectable-tool icon="images/Move.png" action-command="MOVE" tooltip="desplazar" group="vista"/>

//

// Vicente Caballero Navarro

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

import com.iver.cit.gvsig.gui.cad.tools.MoveCADTool;

import java.awt.event.InputEvent;

public final class MoveCADToolContext

    extends statemap.FSMContext

{

//---------------------------------------------------------------

// Member methods.

//

    public MoveCADToolContext(MoveCADTool owner)

    {

        super();

        _owner = owner;

        setState(Move.FirstPointToMove);

        Move.FirstPointToMove.Entry(this);

    }

    public void addOption(String s)

    {

        _transition = "addOption";

        getState().addOption(this, s);

        _transition = "";

        return;

    }

    public void addPoint(double pointX, double pointY, InputEvent event)

    {

        _transition = "addPoint";

        getState().addPoint(this, pointX, pointY, event);

        _transition = "";

        return;

    }

    public MoveCADToolState getState()

        throws statemap.StateUndefinedException

    {

        if (_state == null)

        {

            throw(

                new statemap.StateUndefinedException());

        }

        return ((MoveCADToolState) _state);

    }

    protected MoveCADTool getOwner()

    {

        return (_owner);

    }

//---------------------------------------------------------------

// Member data.

//

    transient private MoveCADTool _owner;

//---------------------------------------------------------------

// Inner classes.

//

    public static abstract class MoveCADToolState

        extends statemap.State

    {

    //-----------------------------------------------------------

    // Member methods.

    //

        protected MoveCADToolState(String name, int id)

        {

            super (name, id);

        }

        protected void Entry(MoveCADToolContext context) {}

        protected void Exit(MoveCADToolContext context) {}

        protected void addOption(MoveCADToolContext context, String s)

        {

            Default(context);

        }

        protected void addPoint(MoveCADToolContext context, double pointX, double pointY, InputEvent event)

        {

            Default(context);

        }

        protected void Default(MoveCADToolContext context)

        {

            throw (

                new statemap.TransitionUndefinedException(

                    "State: " +

                    context.getState().getName() +

                    ", Transition: " +

                    context.getTransition()));

        }

    //-----------------------------------------------------------

    // Member data.

    //

    }

    /* package */ static abstract class Move

    {

    //-----------------------------------------------------------

    // Member methods.

    //

    //-----------------------------------------------------------

    // Member data.

    //

        //-------------------------------------------------------

        // Statics.

        //

        /* package */ static Move_Default.Move_FirstPointToMove FirstPointToMove;

        /* package */ static Move_Default.Move_SecondPointToMove SecondPointToMove;

        private static Move_Default Default;

        static

        {

            FirstPointToMove = new Move_Default.Move_FirstPointToMove("Move.FirstPointToMove", 0);

            SecondPointToMove = new Move_Default.Move_SecondPointToMove("Move.SecondPointToMove", 1);

            Default = new Move_Default("Move.Default", -1);

        }

    }

    protected static class Move_Default

        extends MoveCADToolState

    {

    //-----------------------------------------------------------

    // Member methods.

    //

        protected Move_Default(String name, int id)

        {

            super (name, id);

        }

        protected void addOption(MoveCADToolContext context, String s)

        {

            MoveCADTool ctxt = context.getOwner();

            if (s.equals("Cancelar"))

            {

                boolean loopbackFlag =

                    context.getState().getName().equals(

                        Move.FirstPointToMove.getName());

                if (loopbackFlag == false)

                {

                    (context.getState()).Exit(context);

                }

                context.clearState();

                try

                {

                    ctxt.end();

                }

                finally

                {

                    context.setState(Move.FirstPointToMove);

                    if (loopbackFlag == false)

                    {

                        (context.getState()).Entry(context);

                    }

                }

            }

            else

            {

                super.addOption(context, s);

            }

            return;

        }

    //-----------------------------------------------------------

    // Inner classse.

    //

        private static final class Move_FirstPointToMove

            extends Move_Default

        {

        //-------------------------------------------------------

        // Member methods.

        //

            private Move_FirstPointToMove(String name, int id)

            {

                super (name, id);

            }

            protected void Entry(MoveCADToolContext context)

            {

                MoveCADTool ctxt = context.getOwner();

                ctxt.selection();

                ctxt.setQuestion("DESPLAZAR" + "\n" +

		"Precisar punto de desplazamiento");

                ctxt.setDescription(new String[]{"Cancelar"});

                return;

            }

            protected void addPoint(MoveCADToolContext context, double pointX, double pointY, InputEvent event)

            {

                MoveCADTool ctxt = context.getOwner();

                (context.getState()).Exit(context);

                context.clearState();

                try

                {

                    ctxt.setQuestion("Precisar segundo punto del desplazamiento");

                    ctxt.setDescription(new String[]{"Cancelar"});

                    ctxt.addPoint(pointX, pointY, event);

                }

                finally

                {

                    context.setState(Move.SecondPointToMove);

                    (context.getState()).Entry(context);

                }

                return;

            }

        //-------------------------------------------------------

        // Member data.

        //

        }

        private static final class Move_SecondPointToMove

            extends Move_Default

        {

        //-------------------------------------------------------

        // Member methods.

        //

            private Move_SecondPointToMove(String name, int id)

            {

                super (name, id);

            }

            protected void addPoint(MoveCADToolContext context, double pointX, double pointY, InputEvent event)

            {

                MoveCADTool ctxt = context.getOwner();

                (context.getState()).Exit(context);

                context.clearState();

                try

                {

                    ctxt.setDescription(new String[]{"Cancelar"});

                    ctxt.addPoint(pointX, pointY, event);

                    ctxt.end();

                    ctxt.refresh();

                }

                finally

                {

                    context.setState(Move.FirstPointToMove);

                    (context.getState()).Entry(context);

                }

                return;

            }

        //-------------------------------------------------------

        // Member data.

        //

        }

    //-----------------------------------------------------------

    // Member data.

    //

    }

}

/* 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.event.InputEvent;

import java.awt.geom.Point2D;

import java.io.IOException;

import com.iver.andami.PluginServices;

import com.iver.cit.gvsig.CADExtension;

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

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

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

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

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

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

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

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

import com.iver.cit.gvsig.gui.cad.tools.smc.MoveCADToolContext;

import com.iver.cit.gvsig.gui.cad.tools.smc.MoveCADToolContext.MoveCADToolState;

/**

 * DOCUMENT ME!

 *

 * @author Vicente Caballero Navarro

 */

public class MoveCADTool extends DefaultCADTool {

    private MoveCADToolContext _fsm;

    private Point2D firstPoint;

    private Point2D lastPoint;

    /**

     * Crea un nuevo PolylineCADTool.

     */

    public MoveCADTool() {

    }

    /**

     * M?todo de incio, para poner el c?digo de todo lo que se requiera de una

     * carga previa a la utilizaci?n de la herramienta.

     */

    public void init() {

        _fsm = new MoveCADToolContext(this);

    }

    /* (non-Javadoc)

     * @see com.iver.cit.gvsig.gui.cad.CADTool#transition(com.iver.cit.gvsig.fmap.layers.FBitSet, double, double)

     */

    public void transition(double x, double y, InputEvent event) {

        _fsm.addPoint(x, y, event);

    }

    /* (non-Javadoc)

     * @see com.iver.cit.gvsig.gui.cad.CADTool#transition(com.iver.cit.gvsig.fmap.layers.FBitSet, double)

     */

    public void transition(double d) {

        //_fsm.addValue(sel,d);

    }

    /* (non-Javadoc)

     * @see com.iver.cit.gvsig.gui.cad.CADTool#transition(com.iver.cit.gvsig.fmap.layers.FBitSet, java.lang.String)

     */

    public void transition(String s) {

        _fsm.addOption(s);

    }

    /**

     * DOCUMENT ME!

     */

    public void selection() {

        FBitSet selection = CADExtension.getCADToolAdapter()

                                        .getVectorialAdapter().getSelection();

        if (selection.cardinality() == 0) {

            CADExtension.setCADTool("selection");

            ((SelectionCADTool) CADExtension.getCADToolAdapter().getCadTool()).setNextTool(

                "move");

        }

    }

    /**

     * Equivale al transition del prototipo pero sin pasarle como par?metro el

     * editableFeatureSource que ya estar? creado.

     *

     * @param x par?metro x del punto que se pase en esta transici?n.

     * @param y par?metro y del punto que se pase en esta transici?n.

     */

    public void addPoint(double x, double y,InputEvent event) {

        MoveCADToolState actualState = (MoveCADToolState) _fsm.getPreviousState();

        String status = actualState.getName();

        VectorialEditableAdapter vea = getCadToolAdapter().getVectorialAdapter();

        FBitSet selection = vea.getSelection();

        if (status.equals("Move.FirstPointToMove")) {

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

        } else if (status.equals("Move.SecondPointToMove")) {

            PluginServices.getMDIManager().setWaitCursor();

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

            vea.startComplexRow();

            try {

                for (int i = selection.nextSetBit(0); i >= 0;

                        i = selection.nextSetBit(i + 1)) {

                    DefaultFeature fea = (DefaultFeature) vea.getRow(i)

                                                             .getLinkedRow()

                                                             .cloneRow();

                    // Movemos la geometr?a

                    UtilFunctions.moveGeom(fea.getGeometry(), lastPoint.getX() -

                            firstPoint.getX(), lastPoint.getY() - firstPoint.getY());

                    vea.modifyRow(i,fea,getName());

                }

                vea.endComplexRow();

            } catch (DriverIOException e) {

                // TODO Auto-generated catch block

                e.printStackTrace();

            } catch (IOException e) {

                // TODO Auto-generated catch block

                e.printStackTrace();

            }

            selection.clear();

            PluginServices.getMDIManager().restoreCursor();

            //ret = ret | copyStatus.transition("cancel");

        }

    }

    /**

     * M?todo para dibujar la lo necesario para el estado en el que nos

     * encontremos.

     *

     * @param g Graphics sobre el que dibujar.

     * @param x par?metro x del punto que se pase para dibujar.

     * @param y par?metro x del punto que se pase para dibujar.

     */

    public void drawOperation(Graphics g, double x, double y) {

        MoveCADToolState actualState = ((MoveCADToolContext) _fsm).getState();

        String status = actualState.getName();

        VectorialEditableAdapter vea = getCadToolAdapter().getVectorialAdapter();

        FBitSet selection = vea.getSelection();

        try {

            drawHandlers(g, selection,

                getCadToolAdapter().getMapControl().getViewPort()

                    .getAffineTransform());

        } catch (DriverIOException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

        if (status.equals("Move.SecondPointToMove")) {

            ///int dx = getCadToolAdapter().getMapControl().getViewPort().fromMapDistance(x - firstPoint.getX());

            ///int dy = -getCadToolAdapter().getMapControl().getViewPort().fromMapDistance(y - firstPoint.getY());

            ///Image img = getCadToolAdapter().getVectorialAdapter().getImage();

            ///g.drawImage(img, dx, dy, null);

            try {

                for (int i = selection.nextSetBit(0); i >= 0;

                        i = selection.nextSetBit(i + 1)) {

                    IGeometry geometry = vea.getShape(i).cloneGeometry();

                    // Movemos la geometr?a

                    UtilFunctions.moveGeom(geometry, x - firstPoint.getX(), y - firstPoint.getY());

                    // geometry.move(x - firstPoint.getX(), y - firstPoint.getY());

                    geometry.draw((Graphics2D) g,

                        getCadToolAdapter().getMapControl().getViewPort(),

                        CADTool.drawingSymbol);

                }

            } catch (DriverIOException e) {

                e.printStackTrace();

            }

        }

    }

    /**

     * Add a diferent option.

     *

     * @param s Diferent option.

     */

    public void addOption(String s) {

    }

    /* (non-Javadoc)

     * @see com.iver.cit.gvsig.gui.cad.CADTool#addvalue(double)

     */

    public void addValue(double d) {

    }

	public String getName() {

		return "DESPLAZAR";

	}

}

    	endGeometry();