| gvSIG desktop 1

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

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

import java.awt.event.InputEvent;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

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.StretchCADToolContext;

import org.gvsig.editing.gui.cad.tools.smc.StretchCADToolContext.StretchCADToolState;

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.EditableFeature;

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.handler.Handler;

import org.gvsig.fmap.geom.primitive.GeneralPathX;

import org.gvsig.fmap.mapcontrol.MapControlDrawer;

import org.gvsig.tools.dispose.DisposableIterator;

/**

 * Herramienta para estirar los handlers que seleccionemos previamente.

 *

 * @author Vicente Caballero Navarro

 */

public class StretchCADTool extends DefaultCADTool {

    protected StretchCADToolContext _fsm;

    protected Point2D selfirstPoint;

    protected Point2D sellastPoint;

    protected Point2D movefirstPoint;

    protected Point2D movelastPoint;

    protected Rectangle2D rect = null;

    /**

     * 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() {

        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("_stretch");

            }

        } 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) {

        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();

                        FeatureStore featureStore = null;

                        DisposableIterator iterator = null;

                        try {

                            featureStore = vle.getFeatureStore();

                            // VectorialEditableAdapter vea=vle.getVEA();

                            featureStore.beginEditingGroup(getName());

                            // 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)) {

                            iterator =

                                ((FeatureSelection) featureStore.getSelection())

                                    .iterator();

                            while (iterator.hasNext()) {

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

                                // }

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

                                // IRowEdited edRow = (IRowEdited)

                                // selectedRow.get(i);

                                // DefaultFeature fea = (DefaultFeature)

                                // edRow.getLinkedRow().cloneRow();

                                Geometry geometry = null;

                                geometry =

                                    (feature.getDefaultGeometry())

                                        .cloneGeometry();

                                handlers =

                                    geometry

                                        .getHandlers(Geometry.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());

                                    }

                                }

                                EditableFeature eFeature =

                                    feature.getEditable();

                                eFeature.setGeometry(featureStore

                                    .getDefaultFeatureType()

                                    .getDefaultGeometryAttributeName(),

                                    geometry);

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

                                featureStore.update(eFeature);

                                // selectedRowAux.add(feature);

                            }

                            featureStore.endEditingGroup();

                            // vle.setSelectionCache(VectorialLayerEdited.NOTSAVEPREVIOUS,

                            // selectedRowAux);

                            // PluginServices.getMDIManager().restoreCursor();

                        } catch (DataException e) {

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

                        } finally {

                            if (iterator != null) {

                                iterator.dispose();

                            }

                        }

                    }

    }

    /**

     * 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) {

        StretchCADToolState actualState = (_fsm).getState();

        String status = actualState.getName();

        // ArrayList selectedRow = getSelectedRows();

        DisposableIterator iterator = null;

        try {

            iterator =

                ((FeatureSelection) getVLE().getFeatureStore().getSelection())

                    .iterator();

            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());

                renderer.draw(createCurve(elShape),

                    mapControlManager.getAxisReferenceSymbol());

            } else

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

                    Handler[] handlers = null;

                    while (iterator.hasNext()) {

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

                        Geometry geometry = null;

                        geometry =

                            (feature.getDefaultGeometry()).cloneGeometry();

                        handlers =

                            geometry.getHandlers(Geometry.STRETCHINGHANDLER);

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

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

                                renderer.drawHandlers(handlers,

                                    getCadToolAdapter().getMapControl()

                                        .getViewPort().getAffineTransform(),

                                    mapControlManager.getHandlerSymbol());

                            }

                        }

                    }

                } else

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

                        Handler[] handlers = null;

                        while (iterator.hasNext()) {

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

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

                            // IRowEdited edRow = (IRowEdited)

                            // selectedRow.get(i);

                            // DefaultFeature fea = (DefaultFeature)

                            // edRow.getLinkedRow().cloneRow();

                            Geometry geometry = null;

                            geometry =

                                (feature.getDefaultGeometry()).cloneGeometry();

                            handlers =

                                geometry

                                    .getHandlers(Geometry.STRETCHINGHANDLER);

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

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

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

                                        y - movefirstPoint.getY());

                                }

                            }

                            renderer.draw(geometry,

                                mapControlManager.getAxisReferenceSymbol());

                        }

                    }

        } catch (DataException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        } finally {

            if (iterator != null) {

                iterator.dispose();

            }

        }

    }

    /**

     * 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";

    }

    @Override

    protected int[] getSupportedGeometryTypes() {

        return new int[] { CURVE, SURFACE, AGGREGATE, MULTICURVE,

            MULTISURFACE, CIRCLE, ARC, ELLIPSE, SPLINE, ELLIPTICARC };

    }

}