Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

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.StretchCADTool;

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.FeatureSet;

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

import org.gvsig.fmap.mapcontrol.MapControl;

/**

 * Extensi?n que gestiona la simplificaci?n de una geometr?a compuesta en otras m?s sencillas.

 *

 * @author Vicente Caballero Navarro

 */

public class StretchExtension extends Extension {

        private DefaultViewPanel view;

        private MapControl mapControl;

        private StretchCADTool stretch;

        /**

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

         */

        public void initialize() {

                stretch=new StretchCADTool();

                CADExtension.addCADTool("_stretch",stretch);

                registerIcons();

        }

        private void registerIcons(){

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

        }

        /**

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

         */

        public void execute(String s) {

                CADExtension.initFocus();

                if ("layer-modify-stretch".equalsIgnoreCase(s)) {

                         CADExtension.setCADTool("_stretch",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();

                                IEditionManager em = EditionLocator.getEditionManager();

                                if (em.getActiveLayerEdited()==null)

                                        return false;

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

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

                                FeatureSet selection=(FeatureSet)vle.getFeatureStore().getSelection();

                                if (selection.getSize()<1) {

                                        return false;

                                }

                                if (stretch.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;

        }

}