package org.jtheque.core.managers.view.impl.actions.backup;

 /*

  * This file is part of JTheque.

  *

  * JTheque 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.

  *

  * JTheque 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 JTheque.  If not, see <http://www.gnu.org/licenses/>.

  */

 import org.jtheque.core.managers.Managers;

 import org.jtheque.core.managers.error.IErrorManager;

 import org.jtheque.core.managers.file.IFileManager;

 import org.jtheque.core.managers.file.able.FileType;

 import org.jtheque.core.managers.log.IJThequeLogger;

 import org.jtheque.core.managers.log.Logger;

 import org.jtheque.core.managers.persistence.IPersistenceManager;

 import org.jtheque.core.managers.view.able.IMainView;

 import org.jtheque.core.managers.view.able.IViewManager;

 import org.jtheque.core.managers.view.edt.SimpleTask;

 import org.jtheque.core.managers.view.impl.actions.JThequeAction;

 import org.jtheque.utils.io.FileException;

 import org.jtheque.utils.io.SimpleFilter;

 import javax.annotation.Resource;

 import java.awt.event.ActionEvent;

 import java.io.File;

 /**

  * Action to restore from JTD.

  *

  * @author Baptiste Wicht

  */

 public class AcRestore extends JThequeAction {

     private final SimpleFilter filter;

     private final FileType type;

     @Resource

     private IMainView mainView;

     @Resource

     private IFileManager fileManager;

     @Resource

     private IViewManager viewManager;

     @Logger

     private IJThequeLogger logger;

     /**

      * Construct a new AcRestoreFromJTD.

      *

      * @param key    The internationalization key.

      * @param filter The file filter.

      * @param type   The file type.

      */

     AcRestore(String key, SimpleFilter filter, FileType type) {

         super(key);

         this.filter = filter;

         this.type = type;

     }

     @Override

     public final void actionPerformed(ActionEvent arg0) {

         if (fileManager.isRestorePossible(type)) {

             final File file = new File(viewManager.chooseFile(filter));

             final boolean yes = viewManager.askI18nUserForConfirmation(

                     "dialogs.confirm.clear.database", "dialogs.confirm.clear.database.title");

             viewManager.execute(new SimpleTask() {

                 @Override

                 public void run() {

                     mainView.startWait();

                     new Thread(new RestoreRunnable(yes, file)).start();

                 }

             });

         } else {

             viewManager.displayI18nText("error.restore.nothing");

         }

     }

     /**

      * A runnable to launch the restore process.

      *

      * @author Baptiste Wicht

      */

     private final class RestoreRunnable implements Runnable {

         private final boolean clear;

         private final File file;

         /**

          * Create a new RestoreRunnable.

          *

          * @param clear indicate if we must clear the database or not.

          * @param file  The file to restore from.

          */

         RestoreRunnable(boolean clear, File file) {

             super();

             this.clear = clear;

             this.file = file;

         }

         @Override

         public void run() {

             if (clear) {

                 Managers.getManager(IPersistenceManager.class).clearDatabase();

             }

             try {

                 fileManager.restore(type, file);

             } catch (FileException e) {

                 logger.error(e);

                 Managers.getManager(IErrorManager.class).addInternationalizedError("error.restore.error");

             }

             viewManager.execute(new SimpleTask() {

                 @Override

                 public void run() {

                     mainView.stopWait();

                 }

             });

         }

     }

 }