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 org.gvsig.editing.gui.cad.tools;

import java.awt.Image;

import java.awt.event.InputEvent;

import java.awt.geom.Point2D;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.editing.CADExtension;

import org.gvsig.editing.gui.cad.DefaultCADTool;

import org.gvsig.editing.gui.cad.exception.CommandException;

import org.gvsig.editing.gui.cad.tools.smc.CopyCADToolContext;

import org.gvsig.editing.gui.cad.tools.smc.CopyCADToolContext.CopyCADToolState;

import org.gvsig.editing.layers.VectorialLayerEdited;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.exception.ReadException;

import org.gvsig.fmap.dal.feature.DisposableIterator;

import org.gvsig.fmap.dal.feature.Feature;

import org.gvsig.fmap.dal.feature.FeatureSelection;

import org.gvsig.fmap.dal.feature.FeatureSet;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.util.UtilFunctions;

import org.gvsig.fmap.mapcontext.ViewPort;

import org.gvsig.fmap.mapcontrol.MapControlDrawer;

/**

 * DOCUMENT ME!

 *

 * @author Vicente Caballero Navarro

 */

public class CopyCADTool extends DefaultCADTool {

    private CopyCADToolContext _fsm;

    private Point2D firstPoint;

    private Point2D lastPoint;

    /**

     * Crea un nuevo PolylineCADTool.

     */

    public CopyCADTool() {

    }

    /**

     * 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 CopyCADToolContext(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() {

            FeatureSet selection=null;

            try {

                    selection = (FeatureSet)getVLE().getFeatureStore().getSelection();

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

                            CADExtension.setCADTool("_selection",false);

                            ((SelectionCADTool) CADExtension.getCADTool()).setNextTool(

                            "_copy");

                    }

            } catch (ReadException e) {

                    // TODO Auto-generated catch block

                    e.printStackTrace();

            } catch (DataException e) {

                    // TODO Auto-generated catch block

                    e.printStackTrace();

            }

    }

    /**

     * 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) {

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

            String status = actualState.getName();

            VectorialLayerEdited vle=getVLE();

            FeatureStore featureStore=null;

            try {

                    featureStore = vle.getFeatureStore();

                    //                    FeatureSelection selection = featureStore.createFeatureSelection();

                    //                        selection.select((FeatureSet) featureStore.getSelection());

                    FeatureSelection selection = (FeatureSelection) featureStore

                    .getSelection();

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

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

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

                            PluginServices.getMDIManager().setWaitCursor();

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

                            featureStore.beginEditingGroup(getName());

                            FeatureSelection newSelection = featureStore

                            .createFeatureSelection();

                            DisposableIterator iterator = null;

                            try{

                                    iterator = selection.iterator();

                                    featureStore.beginComplexNotification();

                                    while (iterator.hasNext()) {

                                            Feature feature = (Feature) iterator.next();

                                            // Movemos la geometr?a

                                            Geometry geometry=(feature.getDefaultGeometry()).cloneGeometry();

                                            //                                    EditableFeature eFeature=featureStore.createNewFeature(true);

                                            UtilFunctions.moveGeom(geometry, lastPoint.getX() -

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

                                            //                                    eFeature.setGeometry(featureStore.getDefaultFeatureType().getDefaultGeometryAttributeName(),geometry);

                                            //                                    featureStore.insert(eFeature);

                                            newSelection.select(insertGeometry(geometry, feature));

                                    }

                                    //                            clearSelection();

                                    featureStore.endComplexNotification();

                                    featureStore.setSelection(newSelection);

                                    featureStore.endEditingGroup();

                                    PluginServices.getMDIManager().restoreCursor();

                            } catch (DataException e) {

                                    featureStore.endComplexNotification();

                                    throw e;

                            } finally{

                                    if (iterator != null){

                                            iterator.dispose();

                                    }

                            }

                    } else {

                            }

                    } catch (DataException e) {

                            NotificationManager.addError(e.getMessage(),e);

                    }

            }

    /**

     * 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(MapControlDrawer renderer, double x, double y) {

        CopyCADToolState actualState = _fsm.getState();

        String status = actualState.getName();

        VectorialLayerEdited vle=getVLE();

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

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

            int dx = vp.fromMapDistance(x - firstPoint.getX());

            int dy = -vp.fromMapDistance(y - firstPoint.getY());

            Image img = vle.getSelectionImage();

            renderer.drawImage(img, dx, dy);

        }else{

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

                                return;

                        }

                 Image imgSel = vle.getSelectionImage();

             renderer.drawImage(imgSel, 0, 0);

             Image imgHand = vle.getHandlersImage();

             renderer.drawImage(imgHand, 0, 0);

        }

    }

    /**

     * 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 PluginServices.getText(this,"copy_");

        }

        public String toString() {

                return "_copy";

        }

}