Java tutorial
/* 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 it.unibas.spicygui.vista.MappingTaskTopComponent; import java.awt.HeadlessException; import java.io.File; import java.util.MissingResourceException; 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.awt.StatusDisplayer; 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 ActionSaveMappingTask extends CallableSystemAction implements Observer { private static Log logger = LogFactory.getLog(ActionSaveMappingTask.class); private Modello modello; private Vista vista; private LastActionBean lastActionBean; private boolean continua; private boolean esito; private DAOMappingTask daoMappingTask = new DAOMappingTask(); public ActionSaveMappingTask() { executeInjection(); this.putValue(SHORT_DESCRIPTION, NbBundle.getMessage(Costanti.class, Costanti.ACTION_SAVE_TOOLTIP)); this.setEnabled(false); registraAzione(); } 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); mappingTask.setToBeSaved(false); continua = false; esito = true; Scenario scenario = (Scenario) modello.getBean(Costanti.CURRENT_SCENARIO); scenario.setSaveFile(file); // modello.putBean(Costanti.ACTUAL_SAVE_FILE, file); enableActions(); } } private void enableActions() { } 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 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); } private void richiediUtilizzoFileChooser(MappingTask mappingTask, File file) throws HeadlessException, MissingResourceException { JFileChooser chooser = vista.getFileChooserSalvaXmlXsd(); continua = true; 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; // modello.putBean(Costanti.ACTUAL_SAVE_FILE, file); Scenario scenario = (Scenario) modello.getBean(Costanti.CURRENT_SCENARIO); scenario.setSaveFile(file); MappingTaskTopComponent mappingTaskTopComponent = scenario.getMappingTaskTopComponent(); mappingTaskTopComponent.initNameTab(); enableActions(); } 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 = true; } } else { continua = false; esito = false; } } } public boolean isEsito() { return esito; } public void myPerformAction(Scenario scenario) { MappingTask mappingTask = scenario.getMappingTask(); if (!mappingTask.isToBeSaved()) { StatusDisplayer.getDefault().setStatusText(NbBundle.getMessage(Costanti.class, Costanti.NOT_MODIFIED)); mappingTask = null; return; } File file = null; // if (modello.getBean(Costanti.ACTUAL_SAVE_FILE) != null) { if (scenario.getSaveFile() != null) { try { // file = (File) modello.getBean(Costanti.ACTUAL_SAVE_FILE); file = scenario.getSaveFile(); daoMappingTask.saveMappingTask(mappingTask, file.getAbsolutePath()); mappingTask.setModified(false); mappingTask.setToBeSaved(false); esito = true; StatusDisplayer.getDefault().setStatusText(NbBundle.getMessage(Costanti.class, Costanti.SAVE_OK)); } catch (DAOException ex) { DialogDisplayer.getDefault() .notify(new NotifyDescriptor.Message( NbBundle.getMessage(Costanti.class, Costanti.SAVE_ERROR) + " : " + ex.getMessage(), DialogDescriptor.ERROR_MESSAGE)); logger.error(ex); esito = false; } } else { richiediUtilizzoFileChooser(mappingTask, file); } } @Override public void performAction() { Scenario scenario = (Scenario) modello.getBean(Costanti.CURRENT_SCENARIO); myPerformAction(scenario); } @Override public String getName() { return NbBundle.getMessage(Costanti.class, Costanti.ACTION_SAVE); } @Override public String iconResource() { return Costanti.ICONA_SAVE; } @Override public HelpCtx getHelpCtx() { return HelpCtx.DEFAULT_HELP; } @Override protected boolean asynchronous() { return false; } }