| gvSIG desktop 1

/* 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.awt.geom.Rectangle2D;

import java.util.ArrayList;

import com.hardcode.gdbms.driver.exceptions.ReadDriverException;

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

import com.iver.cit.gvsig.CADExtension;

import com.iver.cit.gvsig.exceptions.expansionfile.ExpansionFileWriteException;

import com.iver.cit.gvsig.exceptions.validate.ValidateRowException;

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

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

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

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

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

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

import com.iver.cit.gvsig.fmap.core.v02.FGraphicUtilities;

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.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.StretchCADToolContext;

import com.iver.cit.gvsig.gui.cad.tools.smc.StretchCADToolContext.StretchCADToolState;

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

/**

 * Herramienta para estirar los handlers que seleccionemos previamente.

 *

 * @author Vicente Caballero Navarro

 */

public class StretchCADTool extends DefaultCADTool {

    private StretchCADToolContext _fsm;

    private Point2D selfirstPoint;

        private Point2D sellastPoint;

        private Point2D movefirstPoint;

        private Point2D movelastPoint;

        private Rectangle2D rect = null;

    /**

     * Crea un nuevo PolylineCADTool.

     */

    public StretchCADTool() {

    }

    /**

     * 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 StretchCADToolContext(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 rowSelected=getSelectedRows();

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

            CADExtension.setCADTool("_selection",false);

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

                "_stretch");

        }

    }

    /**

     * 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) {

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

            String status = actualState.getName();

            if (status.equals("Stretch.SelFirstPoint")) {

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

            } else if (status.equals("Stretch.SelLastPoint")) {

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

                    double x1;

                    double y1;

                    double w1;

                    double h1;

                    if (selfirstPoint.getX() < sellastPoint.getX()) {

                            x1 = selfirstPoint.getX();

                            w1 = sellastPoint.getX() - selfirstPoint.getX();

                    } else {

                            x1 = sellastPoint.getX();

                            w1 = selfirstPoint.getX() - sellastPoint.getX();

                    }

                    if (selfirstPoint.getY() < sellastPoint.getY()) {

                            y1 = selfirstPoint.getY();

                            h1 = sellastPoint.getY() - selfirstPoint.getY();

                    } else {

                            y1 = sellastPoint.getY();

                            h1 = selfirstPoint.getY() - sellastPoint.getY();

                    }

                    rect = new Rectangle2D.Double(x1, y1, w1, h1);

            } else if (status.equals("Stretch.MoveFirstPoint")) {

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

            } else if (status.equals("Stretch.MoveLastPoint")) {

                    VectorialLayerEdited vle=getVLE();

                    VectorialEditableAdapter vea=vle.getVEA();

                    vea.startComplexRow();

                    ArrayList selectedRow=getSelectedRows();

                    ArrayList selectedRowAux=new ArrayList();

                    PluginServices.getMDIManager().setWaitCursor();

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

                    Handler[] handlers = null;

                    //for (int i = selectedGeometries.nextSetBit(0); i >= 0;

                    //                i = selectedGeometries.nextSetBit(i + 1)) {

                    try {

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

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

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

                                    IGeometry geometry = null;

                                    geometry = fea.getGeometry();

                                    handlers = geometry.getHandlers(IGeometry.STRETCHINGHANDLER);

                                    for (int j = 0; j < handlers.length; j++) {

                                            if (rect.contains(handlers[j].getPoint())) {

                                                    handlers[j].move(movelastPoint.getX() -

                                                                    movefirstPoint.getX(),

                                                                    movelastPoint.getY() - movefirstPoint.getY());

                                            }

                                    }

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

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

                            }

                            vea.endComplexRow(getName());

                            vle.setSelectionCache(VectorialLayerEdited.NOTSAVEPREVIOUS, selectedRowAux);

                            PluginServices.getMDIManager().restoreCursor();

                    } catch (ValidateRowException e) {

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

                    } catch (ExpansionFileWriteException e) {

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

                    } catch (ReadDriverException 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(Graphics g, double x, double y) {

                StretchCADToolState actualState = ((StretchCADToolContext) _fsm).getState();

                String status = actualState.getName();

                ArrayList selectedRow = getSelectedRows();

                if (status.equals("Stretch.SelLastPoint")) {

                        GeneralPathX elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD,

                                        4);

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

                        elShape.lineTo(x, selfirstPoint.getY());

                        elShape.lineTo(x, y);

                        elShape.lineTo(selfirstPoint.getX(), y);

                        elShape.lineTo(selfirstPoint.getX(), selfirstPoint.getY());

                        ShapeFactory.createPolyline2D(elShape).draw((Graphics2D) g,

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

                                DefaultCADTool.axisReferencesSymbol);

                } else if (status.equals("Stretch.MoveFirstPoint")) {

                        Handler[] handlers = null;

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

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

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

                                IGeometry geometry = null;

                                        geometry = fea.getGeometry();

                                handlers = geometry.getHandlers(IGeometry.STRETCHINGHANDLER);

                                for (int j = 0; j < handlers.length; j++) {

                                        if (rect.contains(handlers[j].getPoint())) {

                                                        FGraphicUtilities.DrawHandlers((Graphics2D) g,getCadToolAdapter().getMapControl().getViewPort().getAffineTransform(),new Handler[] {handlers[j]},DefaultCADTool.handlerSymbol);

                                        }

                                }

                        }

                } else if (status.equals("Stretch.MoveLastPoint")) {

                        Handler[] handlers = null;

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

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

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

                                IGeometry geometry = null;

                                        geometry = fea.getGeometry();

                                handlers = geometry.getHandlers(IGeometry.STRETCHINGHANDLER);

                                for (int j = 0; j < handlers.length; j++) {

                                        if (rect.contains(handlers[j].getPoint())) {

                                                handlers[j].move(x - movefirstPoint.getX(),

                                                        y - movefirstPoint.getY());

                                        }

                                }

                                geometry.draw((Graphics2D) g,

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

                                        DefaultCADTool.axisReferencesSymbol);

                        }

                }

        }

    /**

         * 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,"stretch_");

        }

        public String toString() {

                return "_stretch";

        }

        public boolean isApplicable(int shapeType) {

                switch (shapeType) {

                case FShape.POINT:

                case FShape.MULTIPOINT:

                        return false;

                }

                return true;

        }

}