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

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.event.InputEvent;

import java.awt.geom.AffineTransform;

import java.awt.geom.Point2D;

import java.io.IOException;

import java.util.ArrayList;

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.GeneralPathX;

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

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

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

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

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.RotateCADToolContext;

import com.iver.cit.gvsig.gui.cad.tools.smc.RotateCADToolContext.RotateCADToolState;

/**

 * DOCUMENT ME!

 *

 * @author Vicente Caballero Navarro

 */

public class RotateCADTool extends DefaultCADTool {

    private RotateCADToolContext _fsm;

    private Point2D firstPoint;

    private Point2D lastPoint;

    /**

     * Crea un nuevo PolylineCADTool.

     */

    public RotateCADTool() {

    }

    /**

     * 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 RotateCADToolContext(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(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.getCADToolAdapter().getCadTool().getClass().getName().equals("com.iver.cit.gvsig.gui.cad.tools.SelectionCADTool")) {

            CADExtension.setCADTool("selection");

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

                "rotate");

        }

    }

    /**

     * 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) {

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

        String status = actualState.getName();

        ArrayList selectedRow=getSelectedRow();

        if (status.equals("Rotate.PointMain")) {

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

                    } else if (status.equals("Rotate.AngleOrPoint")) {

                            PluginServices.getMDIManager().setWaitCursor();

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

                            double w;

                            double h;

                            w = lastPoint.getX() - firstPoint.getX();

                            h = lastPoint.getY() - firstPoint.getY();

                            try {

                                    getCadToolAdapter().getVectorialAdapter().startComplexRow();

                                    for (int i = 0; i < selectedRow.size(); i++) {

                                            DefaultFeature fea = (DefaultFeature)getCadToolAdapter().getVectorialAdapter().getRow(i).cloneRow();

                                                // Rotamos la geometry

                                                UtilFunctions.rotateGeom(fea.getGeometry(), -Math.atan2(w, h) + (Math.PI / 2),

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

                                            getCadToolAdapter().getVectorialAdapter().modifyRow(i, fea,getName());

                                    }

                                    getCadToolAdapter().getVectorialAdapter().endComplexRow();

                            } catch (DriverIOException e) {

                                    e.printStackTrace();

                            } catch (IOException e1) {

                                    e1.printStackTrace();

                            }

                            PluginServices.getMDIManager().restoreCursor();

                    }

    }

    /**

     * 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) {

        RotateCADToolState actualState = ((RotateCADToolContext) _fsm).getState();

        String status = actualState.getName();

        ArrayList selectedRow=getSelectedRow();

        drawHandlers(g, selectedRow,

                 getCadToolAdapter().getMapControl().getViewPort()

                     .getAffineTransform());

        if (status.equals("Rotate.AngleOrPoint")) {

                        double w;

                        double h;

                        w = x - firstPoint.getX();

                        h = y - firstPoint.getY();

                        ///AffineTransform at = AffineTransform.getRotateInstance(+Math.atan2(

                        ///                        w, h) - (Math.PI / 2), (int) point.getX(),

                        ///                (int) point.getY());

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

                        ///((Graphics2D) g).drawImage(img, at, null);

                        ///drawLine((Graphics2D) g, firstPoint, new Point2D.Double(x, y));

                           try {

                                   for (int i = 0; i < selectedRow.size(); i++) {

                                           IGeometry geometry = getCadToolAdapter().getVectorialAdapter().getShape(i);

                                                                // Rotamos la geometry

                                                                UtilFunctions.rotateGeom(geometry, -Math.atan2(w,h)+Math.PI/2,firstPoint.getX(),firstPoint.getY());

                                           geometry.draw((Graphics2D) g,

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

                                                           CADTool.drawingSymbol);

                                           GeneralPathX elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD,

                                                           2);

                                           elShape.moveTo(firstPoint.getX(), firstPoint.getY());

                                           elShape.lineTo(x, y);

                                           ShapeFactory.createPolyline2D(

                                                           elShape).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) {

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

        String status = actualState.getName();

        ArrayList selectedRow=getSelectedRow();

            if (status.equals("Rotate.AngleOrPoint")) {

                        try {

                                for (int i = 0; i < selectedRow.size(); i++) {

                                                DefaultFeature fea = (DefaultFeature)getCadToolAdapter().getVectorialAdapter().getRow(i).cloneRow();

                                                // Rotamos la geometry

                                                AffineTransform at = new AffineTransform();

                                                at.rotate(Math.toRadians(d),

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

                                                fea.getGeometry().transform(at);

                                            getCadToolAdapter().getVectorialAdapter().modifyRow(i, fea,getName());

                                }

                        } catch (DriverIOException e) {

                                e.printStackTrace();

                        } catch (IOException e1) {

                                e1.printStackTrace();

                        }

                }

    }

        public String getName() {

                return "ROTAR";

        }

}