| 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();

                                        int geometryDimensions = getDimensions(lv.getShapeType());

                                        if(geometryDimensions <= 0)

                                                return false;

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

                        }

                } catch (DataException e) {

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

                        return false;

                }

                return true;

        }

        private static int getDimensions(int shapeType) {

                switch (shapeType) {

                case Geometry.TYPES.ARC:

                case Geometry.TYPES.CURVE:

                        return 1;

                case Geometry.TYPES.CIRCLE:

                case Geometry.TYPES.ELLIPSE:

                case Geometry.TYPES.SURFACE:

                case Geometry.TYPES.GEOMETRY:

                        return 2;

                case Geometry.TYPES.MULTIPOINT:

                case Geometry.TYPES.POINT:

                case Geometry.TYPES.TEXT:

                        return 0;

                default:

                        return -1;

                }

        }

        public boolean isVisible() {

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

                        return true;

                return false;

        }

}