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.Image;

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.ViewPort;

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

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

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

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

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

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

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

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

import com.iver.cit.gvsig.gui.cad.exception.CommandException;

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

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

import com.iver.cit.gvsig.layers.VectorialLayerEdited;

/**

 * 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) throws CommandException {

            if (!super.changeCommand(s)){

                    _fsm.addOption(s);

            }

    }

    /**

     * DOCUMENT ME!

     */

    public void selection() {

       ArrayList selectedRows=getSelectedRows();

        if (selectedRows.size() == 0 && !CADExtension.getCADTool().getClass().getName().equals("com.iver.cit.gvsig.gui.cad.tools.SelectionCADTool")) {

            CADExtension.setCADTool("_selection",false);

            ((SelectionCADTool) CADExtension.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=getSelectedRows();

        ArrayList selectedRowAux=new ArrayList();

        VectorialLayerEdited vle=getVLE();

        VectorialEditableAdapter vea = vle.getVEA();

        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 {

                                    vea.startComplexRow();

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

                                        DefaultRowEdited row=(DefaultRowEdited) selectedRow.get(i);

                                        DefaultFeature fea = (DefaultFeature) row.getLinkedRow().cloneRow();

                                        // Rotamos la geometry

                                        UtilFunctions.rotateGeom(fea.getGeometry(), -Math.atan2(w,

                                                        h)

                                                        + (Math.PI / 2), firstPoint.getX(), firstPoint

                                                        .getY());

                                        vea.modifyRow(row.getIndex(), fea,

                                                        getName(),EditionEvent.GRAPHIC);

                                        selectedRowAux.add(new DefaultRowEdited(fea,IRowEdited.STATUS_MODIFIED,row.getIndex()));

                                }

                                vea.endComplexRow(getName());

                                vle.setSelectionCache(selectedRowAux);

                                //clearSelection();

                                //selectedRow.addAll(selectedRowAux);

                        } 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();

        VectorialLayerEdited vle=getVLE();

        //ArrayList selectedRow=getSelectedRows();

       // drawHandlers(g, selectedRow,

       //          getCadToolAdapter().getMapControl().getViewPort()

       //              .getAffineTransform());

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

                        double w;

                        double h;

                        w = x - firstPoint.getX();

                        h = y - firstPoint.getY();

                        ViewPort vp=vle.getLayer().getMapContext().getViewPort();

                        Point2D point = vp.fromMapPoint(firstPoint.getX(),

                                                                firstPoint.getY());

                        AffineTransform at = AffineTransform.getRotateInstance(Math.atan2(

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

                                                        (int) point.getY());

                        Image imgSel = vle.getSelectionImage();

            ((Graphics2D)g).drawImage(imgSel, at, null);

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

                        ///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));

/*

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

                                           // IGeometry geometry =

                                                                // getCadToolAdapter().getVectorialAdapter().getShape(i);

                                IRowEdited edRow = (IRowEdited) selectedRow.get(i);

                                IFeature feat = (IFeature) edRow.getLinkedRow();

                                IGeometry geometry = feat.getGeometry().cloneGeometry();

                                // 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);

                        }

                        */

                }else{

                        if (!vle.getLayer().isVisible())

                                return;

                         Image imgSel = vle.getSelectionImage();

             g.drawImage(imgSel, 0, 0, null);

             Image imgHand = vle.getHandlersImage();

             g.drawImage(imgHand, 0, 0, null);

                }

    }

    /**

         * 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=getSelectedRows();

        VectorialLayerEdited vle=getVLE();

        VectorialEditableAdapter vea = vle.getVEA();

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

                        try {

                                vea.startComplexRow();

                                ///ArrayList selectedRowAux=new ArrayList();

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

                                        DefaultRowEdited row=(DefaultRowEdited) selectedRow.get(i);

                                        DefaultFeature fea = (DefaultFeature) row.getLinkedRow().cloneRow();

                                                // Rotamos la geometry

                                                AffineTransform at = new AffineTransform();

                                                at.rotate(Math.toRadians(d),

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

                                                fea.getGeometry().transform(at);

                                            vea.modifyRow(row.getIndex(), fea,getName(),EditionEvent.GRAPHIC);

                                            ///selectedRowAux.add(new DefaultRowEdited(fea,IRowEdited.STATUS_MODIFIED,index));

                                }

                                vea.endComplexRow(getName());

                                clearSelection();

                                ///selectedRow=selectedRowAux;

                        } catch (DriverIOException e) {

                                e.printStackTrace();

                        } catch (IOException e1) {

                                e1.printStackTrace();

                        }

                }

    }

        public String getName() {

                return PluginServices.getText(this,"rotate_");

        }

        public String toString() {

                return "_rotate";

        }

}