| 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 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.EquidistanceCADTool;

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

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

import org.gvsig.fmap.dal.feature.FeatureSelection;

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

import org.gvsig.fmap.mapcontrol.MapControl;

/**

 * Extensi?n para crear una geometr?a equidistante a otra.

 *

 * @author Vicente Caballero Navarro

 */

public class EquidistanceExtension extends Extension {

        private DefaultViewPanel view;

        private MapControl mapControl;

        private EquidistanceCADTool equidistanceCADTool;

        /**

         * @see org.gvsig.andami.plugins.IExtension#initialize()

         */

        public void initialize() {

                equidistanceCADTool=new EquidistanceCADTool();

                CADExtension.addCADTool("_equidistance",equidistanceCADTool);

                registerIcons();

        }

        private void registerIcons(){

                PluginServices.getIconTheme().registerDefault(

                                "edition-geometry-equidistance",

                                this.getClass().getClassLoader().getResource("images/Equidistance.png")

                        );

        }

        /**

         * @see org.gvsig.andami.plugins.IExtension#execute(java.lang.String)

         */

        public void execute(String s) {

                CADExtension.initFocus();

                if (s.equals("_equidistance")) {

                CADExtension.setCADTool(s,true);

        }

                CADExtension.getEditionManager().setMapControl(mapControl);

                CADExtension.getCADToolAdapter().configureMenu();

        }

        /**

         * @see org.gvsig.andami.plugins.IExtension#isEnabled()

         */

        public boolean isEnabled() {

                try {

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

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

                                mapControl = view.getMapControl();

                                EditionManager em=CADExtension.getEditionManager();

                                if (em.getActiveLayerEdited()==null)

                                        return false;

                                FLyrVect lv=(FLyrVect)em.getActiveLayerEdited().getLayer();

                                if (((FeatureSelection)lv.getFeatureStore().getSelection()).getSize()!=1)

                                        return false;

                                if (equidistanceCADTool.isApplicable(lv.getShapeType())){

                                        return true;

                                }

                        }

                } catch (ReadException e) {

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

                } catch (DataException e) {

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

                }

                return false;

        }

        /**

         * @see org.gvsig.andami.plugins.IExtension#isVisible()

         */

        public boolean isVisible() {

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

                        return true;

                return false;

        }

}