| 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 com.iver.cit.gvsig;

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

import com.iver.andami.plugins.Extension;

import com.iver.cit.gvsig.fmap.MapControl;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

import com.iver.cit.gvsig.fmap.edition.VectorialEditableAdapter;

import com.iver.cit.gvsig.fmap.layers.FLayers;

import com.iver.cit.gvsig.fmap.layers.FLyrVect;

import com.iver.cit.gvsig.gui.View;

import java.io.IOException;

/**

 * Extensi?n encargada de gestionar el rehacer un comando anteriormente

 * deshecho.

 *

 * @author Vicente Caballero Navarro

 */

public class RedoCommandExtension implements Extension {

        /**

         * @see com.iver.andami.plugins.Extension#inicializar()

         */

        public void inicializar() {

        }

        /**

         * @see com.iver.andami.plugins.Extension#execute(java.lang.String)

         */

        public void execute(String s) {

                View vista = (View) PluginServices.getMDIManager().getActiveView();

                MapControl mapControl = (MapControl) vista.getMapControl();

                if (s.compareTo("REDO") == 0) {

                        try {

                                        FLayers layers=mapControl.getMapContext().getLayers();

                                        for (int i=0;i<layers.getLayersCount();i++){

                                                if (layers.getLayer(i) instanceof FLyrVect && layers.getLayer(i).isEditing()){

                                                        VectorialEditableAdapter vea=(VectorialEditableAdapter)((FLyrVect)layers.getLayer(i)).getSource();

                                                        vea.redo();

                                                }

                                        }

                        } catch (DriverIOException e) {

                                NotificationManager.addError("Error accediendo a los Drivers para rehacer un comando",

                                        e);

                        } catch (IOException e) {

                                NotificationManager.addError("Error accediendo al fichero para rehacer un comando",

                                        e);

                        }

                        vista.getMapControl().drawMap(false);

                }

        }

        /**

         * @see com.iver.andami.plugins.Extension#isEnabled()

         */

        public boolean isEnabled() {

                View vista = (View) PluginServices.getMDIManager().getActiveView();

                MapControl mapControl = (MapControl) vista.getMapControl();

                FLayers layers=mapControl.getMapContext().getLayers();

                for (int i=0;i<layers.getLayersCount();i++){

                        if (layers.getLayer(i) instanceof FLyrVect && layers.getLayer(i).isEditing()){

                                VectorialEditableAdapter vea=(VectorialEditableAdapter)((FLyrVect)layers.getLayer(i)).getSource();

                                if (vea==null)return false;

                                return vea.moreRedoCommands();

                        }

                }

                return false;

        }

        /**

         * @see com.iver.andami.plugins.Extension#isVisible()

         */

        public boolean isVisible() {

                com.iver.andami.ui.mdiManager.View f = PluginServices.getMDIManager()

                                                                                                                         .getActiveView();

                if (f == null) {

                        return false;

                }

                if (f.getClass() == View.class) {

                        return true;

                } else {

                        return false;

                }

        }

}