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.provider.intermediatezone; import it.unibas.spicy.model.datasource.INode; import it.unibas.spicygui.Costanti; import it.unibas.spicygui.widget.operators.ConnectionInfoCreator; import it.unibas.spicygui.controllo.mapping.operators.CreateCorrespondencesMappingTask; import it.unibas.spicygui.controllo.mapping.operators.ReviewCorrespondences; import it.unibas.spicygui.widget.caratteristiche.CaratteristicheWidgetInterFunctionalDep; import it.unibas.spicygui.widget.caratteristiche.CaratteristicheWidgetTree; import it.unibas.spicygui.widget.caratteristiche.ConnectionInfo; import java.awt.Point; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.Iterator; import java.util.List; import javax.swing.JMenuItem; import javax.swing.JPopupMenu; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.netbeans.api.visual.action.PopupMenuProvider; import org.netbeans.api.visual.widget.ConnectionWidget; import org.netbeans.api.visual.widget.LayerWidget; import org.netbeans.api.visual.widget.Scene; import org.netbeans.api.visual.widget.Widget; import org.openide.awt.StatusDisplayer; import org.openide.util.NbBundle; public class MyPopupProviderConnectionFunctionalDep implements PopupMenuProvider, ActionListener { private static Log logger = LogFactory.getLog(MyPopupProviderConnectionFunctionalDep.class); private ReviewCorrespondences review = new ReviewCorrespondences(); private CreateCorrespondencesMappingTask creator = new CreateCorrespondencesMappingTask(); private ConnectionInfoCreator infoCreator = new ConnectionInfoCreator(); private CaratteristicheWidgetInterFunctionalDep caratteristicheWidget; private JPopupMenu menu; private ConnectionWidget connection; private Scene scene; private LayerWidget mainLayer; private final String DELETE = "delete"; public MyPopupProviderConnectionFunctionalDep(Scene scene, LayerWidget mainLayer, CaratteristicheWidgetInterFunctionalDep caratteristicheWidget) { this.caratteristicheWidget = caratteristicheWidget; this.scene = scene; this.mainLayer = mainLayer; createPopupMenu(); } public JPopupMenu getPopupMenu(Widget widget, Point arg1) { connection = (ConnectionWidget) widget; return menu; } public void actionPerformed(ActionEvent e) { if (e.getActionCommand().equals(DELETE)) { StatusDisplayer.getDefault() .setStatusText(NbBundle.getMessage(Costanti.class, Costanti.DELETE_CONNECTION)); deleteConnection(); } else { StatusDisplayer.getDefault().setStatusText(NbBundle.getMessage(Costanti.class, Costanti.GENERIC_ERROR)); } } private void createPopupMenu() { menu = new JPopupMenu("Popup menu"); JMenuItem item; item = new JMenuItem(NbBundle.getMessage(Costanti.class, Costanti.DELETE_CONNECTION)); item.setActionCommand(DELETE); item.addActionListener(this); menu.add(item); } private void deleteConnection() { if (caratteristicheWidget.getSourceList().remove(connection.getSourceAnchor().getRelatedWidget())) { review.removeFunctionalDependency(caratteristicheWidget.getFunctionalDependency(), caratteristicheWidget.isSource()); if (!caratteristicheWidget.getTargetList().isEmpty() && !caratteristicheWidget.getSourceList().isEmpty()) { creator.createCorrespondenceWithFunctionalDep(mainLayer, caratteristicheWidget, caratteristicheWidget.getConnectionInfo()); } else if (caratteristicheWidget.getSourceList().isEmpty()) { caratteristicheWidget.setSource(null); } removeConnectionAnnotations(connection.getSourceAnchor().getRelatedWidget(), connection.getTargetAnchor().getRelatedWidget(), connection, true); connection.removeFromParent(); } else { if (logger.isDebugEnabled()) { logger.debug("rimuovo target"); } removeConnectionAnnotations(connection.getSourceAnchor().getRelatedWidget(), connection.getTargetAnchor().getRelatedWidget(), connection, false); review.removeFunctionalDependency(caratteristicheWidget.getFunctionalDependency(), caratteristicheWidget.isSource()); caratteristicheWidget.getTargetList().clear(); connection.removeFromParent(); } StatusDisplayer.getDefault().setStatusText(NbBundle.getMessage(Costanti.class, Costanti.DELETE_CONNECTION)); } //giannisk private void removeConnectionAnnotations(Widget sourceWidget, Widget targetWidget, ConnectionWidget connection, boolean target) { CaratteristicheWidgetTree caratteristicheWidgetTreeSource; if (target) { caratteristicheWidgetTreeSource = (CaratteristicheWidgetTree) mainLayer .getChildConstraint(sourceWidget); } else { caratteristicheWidgetTreeSource = (CaratteristicheWidgetTree) mainLayer .getChildConstraint(targetWidget); } INode iNode = caratteristicheWidgetTreeSource.getINode(); List<ConnectionWidget> connections = (List<ConnectionWidget>) iNode.getAnnotation(Costanti.CONNECTION_LINE); connections.remove(connection); Iterator<ConnectionWidget> iterator = connections.iterator(); while (iterator.hasNext()) { ConnectionWidget conn = iterator.next(); ConnectionInfo connectionInfo = (ConnectionInfo) connection.getParentWidget().getChildConstraint(conn); if (connectionInfo != null) { if (target) { if (connectionInfo.getSourceWidget() != null) if (connectionInfo.getSourceWidget().equals(targetWidget)) iterator.remove(); } else { if (connectionInfo.getTargetWidget() != null) if (connectionInfo.getTargetWidget().equals(sourceWidget)) iterator.remove(); } } } iNode.addAnnotation(Costanti.CONNECTION_LINE, connections); } }