it.unibas.spicygui.controllo.file.ActionSaveAsMappingTask.java Source code

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Here is the source code for it.unibas.spicygui.controllo.file.ActionSaveAsMappingTask.java

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/*
Copyright (C) 2007-2011  Database Group - Universita' della Basilicata
Giansalvatore Mecca - giansalvatore.mecca@unibas.it
Salvatore Raunich - salrau@gmail.com
Marcello Buoncristiano - marcello.buoncristiano@yahoo.it
    
This file is part of ++Spicy - a Schema Mapping and Data Exchange Tool
    
++Spicy 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
any later version.
    
++Spicy 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 ++Spicy.  If not, see <http://www.gnu.org/licenses/>.
 */

package it.unibas.spicygui.controllo.file;

import it.unibas.spicy.model.mapping.MappingTask;
import it.unibas.spicy.persistence.DAOException;
import it.unibas.spicy.persistence.DAOMappingTask;
import it.unibas.spicygui.Costanti;
import it.unibas.spicygui.commons.Modello;
import it.unibas.spicygui.commons.LastActionBean;
import it.unibas.spicygui.controllo.Scenario;
import it.unibas.spicygui.vista.Vista;
import java.io.File;
import java.util.Observable;
import java.util.Observer;
import javax.swing.JFileChooser;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openide.DialogDescriptor;
import org.openide.DialogDisplayer;
import org.openide.NotifyDescriptor;
import org.openide.util.HelpCtx;
import org.openide.util.Lookup;
import org.openide.util.NbBundle;
import org.openide.util.actions.CallableSystemAction;
import org.openide.windows.WindowManager;

public class ActionSaveAsMappingTask extends CallableSystemAction implements Observer {

    private static Log logger = LogFactory.getLog(ActionSaveAsMappingTask.class);
    private Modello modello;
    private Vista vista;
    private LastActionBean lastActionBean;
    private boolean esito;
    private boolean continua;
    private DAOMappingTask daoMappingTask = new DAOMappingTask();

    public ActionSaveAsMappingTask() {
        executeInjection();
        this.putValue(SHORT_DESCRIPTION, NbBundle.getMessage(Costanti.class, Costanti.ACTION_SAVE_AS_TOOLTIP));
        this.setEnabled(false);
        registraAzione();
    }

    private void executeInjection() {
        if (this.modello == null) {
            this.modello = Lookup.getDefault().lookup(Modello.class);
        }
        if (this.vista == null) {
            this.vista = Lookup.getDefault().lookup(Vista.class);
        }
    }

    public boolean isEsito() {
        return esito;
    }

    private void chiediConferma(File file, MappingTask mappingTask) throws DAOException {
        NotifyDescriptor notifyDescriptor = new NotifyDescriptor.Confirmation(
                NbBundle.getMessage(Costanti.class, Costanti.FILE_EXISTS), DialogDescriptor.YES_NO_OPTION);
        DialogDisplayer.getDefault().notify(notifyDescriptor);
        if (notifyDescriptor.getValue().equals(NotifyDescriptor.YES_OPTION)) {
            daoMappingTask.saveMappingTask(mappingTask, file.getAbsolutePath());
            mappingTask.setModified(false);
            continua = false;
            esito = true;
        } else {
            esito = false;
        }
    }

    public void update(Observable o, Object stato) {
        if (stato.equals(LastActionBean.CLOSE) || (stato.equals(LastActionBean.NO_SCENARIO_SELECTED))
                || (stato.equals(LastActionBean.TGD_SESSION))) {
            this.setEnabled(false);
        } else {
            this.setEnabled(true);
        }
    }

    private void registraAzione() {
        lastActionBean = (LastActionBean) modello.getBean(Costanti.LAST_ACTION_BEAN);
        lastActionBean.addObserver(this);
    }

    @Override
    public void performAction() {
        Scenario scenario = (Scenario) modello.getBean(Costanti.CURRENT_SCENARIO);
        MappingTask mappingTask = scenario.getMappingTask();
        JFileChooser chooser = vista.getFileChooserSalvaXmlXsd();
        continua = true;
        File file;
        while (continua) {
            int returnVal = chooser.showSaveDialog(WindowManager.getDefault().getMainWindow());
            if (returnVal == JFileChooser.APPROVE_OPTION) {
                try {
                    file = chooser.getSelectedFile();
                    if (!file.exists()) {
                        daoMappingTask.saveMappingTask(mappingTask, file.getAbsolutePath());
                        mappingTask.setModified(false);
                        mappingTask.setToBeSaved(false);
                        continua = false;
                        esito = true;
                    } else {
                        chiediConferma(file, mappingTask);
                    }
                } catch (DAOException ex) {
                    DialogDisplayer.getDefault().notify(new NotifyDescriptor.Message(
                            NbBundle.getMessage(Costanti.class, Costanti.SAVE_ERROR) + " : " + ex.getMessage(),
                            DialogDescriptor.ERROR_MESSAGE));
                    logger.error(ex);
                    continua = false;
                    esito = false;
                }
            } else {
                continua = false;
                esito = false;
            }
        }
    }

    @Override
    public String getName() {
        return NbBundle.getMessage(Costanti.class, Costanti.ACTION_SAVE_AS);

    }

    @Override
    public HelpCtx getHelpCtx() {
        return HelpCtx.DEFAULT_HELP;
    }

    @Override
    protected String iconResource() {
        return Costanti.ICONA_SAVE;
    }

    @Override
    protected boolean asynchronous() {
        return false;
    }
}