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.mapping; import it.unibas.spicy.persistence.DAOException; 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.SqlTopComponent; import it.unibas.spicygui.vista.TransformationTopComponent; import java.util.Observable; import java.util.Observer; 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; public class ActionGenerateSql extends CallableSystemAction implements Observer { private static Log logger = LogFactory.getLog(ActionGenerateSql.class); private Modello modello; private LastActionBean lastActionBean; public ActionGenerateSql() { executeInjection(); this.putValue(SHORT_DESCRIPTION, NbBundle.getMessage(Costanti.class, Costanti.ACTION_GENERATE_SQL_TOOLTIP)); this.setEnabled(false); registraAzione(); } private void enableActions() { lastActionBean.setLastAction(LastActionBean.SOLVE); } public void update(Observable o, Object stato) { if (stato.equals(LastActionBean.SOLVE) || stato.equals(LastActionBean.SOLVE_AND_TRANSLATE)) { this.setEnabled(true); // } else if (stato.equals(LastActionBean.CLOSE) || (stato.equals(LastActionBean.NO_SCENARIO_SELECTED))) { } else { this.setEnabled(false); } } private void execute(Scenario scenario) { try { SqlTopComponent generateSqlTopComponent = scenario.getSqlTopComponent(); if (generateSqlTopComponent == null) { generateSqlTopComponent = new SqlTopComponent(scenario); scenario.setSqlTopComponent(generateSqlTopComponent); } TransformationTopComponent transformationTopComponent = scenario.getTransformationTopComponent(); if (transformationTopComponent == null) { transformationTopComponent = new TransformationTopComponent(scenario); scenario.setTransformationTopComponent(transformationTopComponent); } transformationTopComponent.updateUI(); generateSqlTopComponent.clear(); generateSqlTopComponent.createQueryTabs(); generateSqlTopComponent.openAtTabPosition(10); generateSqlTopComponent.requestActive(); } catch (Exception ex) { DialogDisplayer.getDefault() .notify(new NotifyDescriptor.Message(ex.getMessage(), DialogDescriptor.ERROR_MESSAGE)); } } private void registraAzione() { lastActionBean = (LastActionBean) modello.getBean(Costanti.LAST_ACTION_BEAN); lastActionBean.addObserver(this); } public void myPerformAction(Scenario scenario) { execute(scenario); } @Override public void performAction() { Scenario scenario = (Scenario) modello.getBean(Costanti.CURRENT_SCENARIO); execute(scenario); enableActions(); } private void executeInjection() { if (this.modello == null) { this.modello = Lookup.getDefault().lookup(Modello.class); } } @Override public String getName() { return NbBundle.getMessage(Costanti.class, Costanti.ACTION_GENERATE_SQL); } @Override public HelpCtx getHelpCtx() { return HelpCtx.DEFAULT_HELP; } @Override protected String iconResource() { return Costanti.ICONA_GENERATE_QUERY; } @Override protected boolean asynchronous() { return false; } }