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.event.InputEvent;

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.JoinCADToolContext;

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.dal.feature.exception.NeedEditingModeException;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.operation.GeometryOperationException;

import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException;

import org.gvsig.fmap.mapcontrol.MapControlDrawer;

import org.gvsig.tools.dispose.DisposableIterator;

/**

 * DOCUMENT ME!

 *

 * @author Vicente Caballero Navarro

 */

public class JoinCADTool extends DefaultCADTool {

    private JoinCADToolContext _fsm;

    /**

     * Crea un nuevo JoinCADTool.

     */

    public JoinCADTool() {

    }

    /**

     * M?todo de inicio, 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 JoinCADToolContext(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("_join");

            }

        } 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) {

    }

    /**

     * 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) {

    }

    public void join() {

        VectorialLayerEdited vle = getVLE();

        FeatureStore featureStore = null;

        try {

            featureStore = vle.getFeatureStore();

        } catch (ReadException e1) {

            NotificationManager.addError(e1.getMessage(),e1);

        }

        DisposableIterator iterator = null;

        try {

            featureStore.beginEditingGroup(getName());

                FeatureSelection selection = featureStore.createFeatureSelection();

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

                Geometry geomTotal = null;

                iterator = selection.fastIterator();

                boolean first = true;

                Feature firstFeature = null;

                while (iterator.hasNext()) {

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

                    if (first){

                        firstFeature = feature;

                        first = false;

                    }

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

                    featureStore.delete(feature);

                    if (geomTotal == null){

                        geomTotal = currentGeometry;

                    }else{         

                        geomTotal = geomTotal.union(currentGeometry);

                    }                    

                }

                EditableFeature editableFeature = featureStore.createNewFeature(firstFeature.getType(), firstFeature);

                editableFeature.setGeometry(featureStore.getDefaultFeatureType().getDefaultGeometryAttributeName(), geomTotal);

                featureStore.insert(editableFeature);

                refresh();         

        } catch (DataException e) {

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

        } catch (GeometryOperationNotSupportedException e) {

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

        } catch (GeometryOperationException e) {

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

        } finally {

            if (iterator != null) {

                iterator.dispose();

            }

            try {

                featureStore.endEditingGroup();

            } catch (NeedEditingModeException e) {

                LOG.error("Exception endEditingGroup", e);

            }

        }

    }

    /**

     * 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,"join_");

    }

    public String toString() {

        return "_join";

    }

    public boolean isApplicable(int shapeType) {

        switch (shapeType) {

        case org.gvsig.fmap.geom.Geometry.TYPES.POINT:

            return false;

        }

        return true;

    }

}