| gvSIG desktop 1

/*

 * Created on 10-abr-2006

 *

 * 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

 */

/* CVS MESSAGES:

 *

 * $Id:

 * $Log:

 */

package org.gvsig.editing;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.app.project.documents.view.gui.DefaultViewPanel;

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

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

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.fmap.mapcontrol.MapControl;

/**

 * CAD extension to split geometries from a digitized linear geometry.

 *

 * @author Alvaro Zabala

 *

 */

public class SplitGeometryCADToolExtension extends Extension {

    private DefaultViewPanel view;

    private MapControl mapControl;

    private SplitGeometryCADTool cadTool;

    public void execute(String actionCommand) {

        CADExtension.initFocus();

        if (actionCommand.equals(SplitGeometryCADTool.SPLIT_GEOMETRY_TOOL_NAME)) {

            CADExtension.setCADTool(SplitGeometryCADTool.SPLIT_GEOMETRY_TOOL_NAME, true);

        }

        CADExtension.getEditionManager().setMapControl(mapControl);

        CADExtension.getCADToolAdapter().configureMenu();

    }

    public void initialize() {

        cadTool = new SplitGeometryCADTool();

        CADExtension.addCADTool(SplitGeometryCADTool.SPLIT_GEOMETRY_TOOL_NAME, cadTool);

        registerIcons();

    }

    private void registerIcons(){

        PluginServices.getIconTheme().registerDefault("split-geometry",

            this.getClass().

            getClassLoader().

            getResource("images/split-poly.png")

        );

    }

    /**

     * Returns if this Edit CAD tool is visible.

     * For this, there must be an active vectorial editing lyr in the TOC, which geometries'

     * dimension would must be linear or polygonal, and with at least one selected geometry.

     *

     */

    public boolean isEnabled() {

        try {

            if (EditionUtilities.getEditionStatus() ==

                EditionUtilities.EDITION_STATUS_ONE_VECTORIAL_LAYER_ACTIVE_AND_EDITABLE) {

                this.view = (DefaultViewPanel) PluginServices.getMDIManager().getActiveWindow();

                mapControl = view.getMapControl();

                if (CADExtension.getEditionManager().getActiveLayerEdited() == null)

                    return false;

                FLyrVect lv = (FLyrVect) CADExtension.

                getEditionManager().

                getActiveLayerEdited().

                getLayer();

                if (isPoint(lv.getShapeType())){

                    return false;

                }

                return !lv.getFeatureStore().getFeatureSelection().isEmpty();

            }

        } catch (DataException e) {

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

            return false;

        }

        return true;

    }

    private boolean isPoint(int shapeType) {

        switch (shapeType) {

        case Geometry.TYPES.MULTIPOINT:

        case Geometry.TYPES.POINT:

            return true;

        default:

            return false;

        }

    }

    public boolean isVisible() {

        if (EditionUtilities.getEditionStatus() == EditionUtilities.EDITION_STATUS_ONE_VECTORIAL_LAYER_ACTIVE_AND_EDITABLE)

            return true;

        return false;

    }

}