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;

import org.gvsig.andami.IconThemeHelper;

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.InternalPolygonCADTool;

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.FeatureSelection;

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

import org.gvsig.fmap.mapcontrol.MapControl;

/**

 * Extensi?n que gestiona la inserci?n de pol?gonos internos en edici?n.

 *

 * @author Vicente Caballero Navarro

 */

public class InternalPolygonExtension extends Extension {

        private DefaultViewPanel view;

        private MapControl mapControl;

        private InternalPolygonCADTool internalpolygon;

        /**

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

         */

        public void initialize() {

            internalpolygon = new InternalPolygonCADTool();

            CADExtension.addCADTool("_internalpolygon",internalpolygon);

            registerIcons();

        }

        private void registerIcons(){

                IconThemeHelper.registerIcon("action", "layer-modify-internal-polygon", this);

        }

        /**

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

         */

        public void execute(String s) {

            CADExtension.initFocus();

                if ("layer-modify-internal-polygon".equalsIgnoreCase(s)) {

                         CADExtension.setCADTool("_internalpolygon",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;

                        VectorialLayerEdited vle=(VectorialLayerEdited)em.getActiveLayerEdited();

                        if (((FeatureSelection)vle.getFeatureStore().getSelection()).getSize()<1)

                            return false;

                        FLyrVect lv=(FLyrVect)vle.getLayer();

                        if (internalpolygon.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;

        }

}