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.composition; import it.unibas.spicy.model.exceptions.IllegalDataSourceException; import it.unibas.spicy.model.mapping.IDataSourceProxy; import it.unibas.spicy.model.mapping.MappingTask; import it.unibas.spicy.persistence.DAOException; import it.unibas.spicy.persistence.xml.DAOXsd; import it.unibas.spicy.utility.SpicyEngineConstants; import it.unibas.spicygui.Costanti; import it.unibas.spicygui.Utility; import it.unibas.spicygui.commons.Modello; import it.unibas.spicygui.controllo.Scenario; import it.unibas.spicygui.controllo.Scenarios; import it.unibas.spicygui.controllo.composition.MutableMappingTask; import it.unibas.spicygui.controllo.window.ActionProjectTree; import it.unibas.spicygui.vista.Vista; import it.unibas.spicygui.widget.ChainWidget; import it.unibas.spicygui.widget.ICompositionWidget; import it.unibas.spicygui.widget.caratteristiche.AbstractCaratteristicheWidgetComposition; import it.unibas.spicygui.widget.caratteristiche.CaratteristicheWidgetChainComposition; import it.unibas.spicygui.widget.caratteristiche.ConnectionInfo; import java.awt.Point; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.ArrayList; import java.util.List; import javax.swing.JFileChooser; 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.DialogDescriptor; import org.openide.DialogDisplayer; import org.openide.NotifyDescriptor; import org.openide.util.Lookup; import org.openide.util.NbBundle; import org.openide.util.lookup.Lookups; import org.openide.windows.WindowManager; public class MyPopupProviderWidgetChainComposition implements PopupMenuProvider, ActionListener { private static Log logger = LogFactory.getLog(MyPopupProviderWidgetChainComposition.class); private DAOXsd daoXsd = new DAOXsd(); private Vista vista; private Modello modello; private ActionProjectTree actionProjectTree; private JPopupMenu menu; private boolean first = true; private ChainWidget chainWidget; private JMenuItem itemLoadDataSource; private LayerWidget connectionLayer; private final String SET_ROOT = "set root"; private final String LOAD = "load"; private final String DELETE = "delete"; public MyPopupProviderWidgetChainComposition(Scene scene, LayerWidget connectionLayer) { this.connectionLayer = connectionLayer; this.executeInjection(); this.createPopupMenu(); } public JPopupMenu getPopupMenu(Widget widget, Point arg1) { if (first) { chainWidget = (ChainWidget) widget; first = false; } LayerWidget mainLayer = (LayerWidget) chainWidget.getParentWidget(); CaratteristicheWidgetChainComposition caratteristicheWidgetChainComposition = (CaratteristicheWidgetChainComposition) mainLayer .getChildConstraint(chainWidget); ICompositionWidget sourceWidget = caratteristicheWidgetChainComposition.getSourceScenario(); itemLoadDataSource.setEnabled(sourceWidget != null); return menu; } public void actionPerformed(ActionEvent e) { if (e.getActionCommand().equals(SET_ROOT)) { } else if (e.getActionCommand().equals(DELETE)) { deleteWidget(); } else { loadDataSource(); } } private void createPopupMenu() { menu = new JPopupMenu("Popup menu"); JMenuItem itemDeleteWidget; itemDeleteWidget = new JMenuItem(NbBundle.getMessage(Costanti.class, Costanti.DELETE_WIDGET_COMPOSITION)); itemDeleteWidget.setActionCommand(DELETE); itemDeleteWidget.addActionListener(this); menu.add(itemDeleteWidget); itemLoadDataSource = new JMenuItem(NbBundle.getMessage(Costanti.class, Costanti.LOAD_DATASOURCE_FOR_CHAIN)); itemLoadDataSource.setActionCommand(LOAD); itemLoadDataSource.addActionListener(this); menu.add(itemLoadDataSource); } private IDataSourceProxy loadXMLDataSource(String schemaPath) throws DAOException { IDataSourceProxy dataSource = daoXsd.loadSchema(schemaPath); return dataSource; } private void loadDataSource() { JFileChooser chooser = vista.getFileChooserApriXSD(); try { LayerWidget mainLayer = (LayerWidget) chainWidget.getParentWidget(); CaratteristicheWidgetChainComposition caratteristicheWidgetChainComposition = (CaratteristicheWidgetChainComposition) mainLayer .getChildConstraint(chainWidget); ICompositionWidget sourceWidget = caratteristicheWidgetChainComposition.getSourceScenario(); AbstractCaratteristicheWidgetComposition caratteristicheSourceWidget = (AbstractCaratteristicheWidgetComposition) mainLayer .getChildConstraint((Widget) sourceWidget); MappingTask mappingTaskSource = caratteristicheSourceWidget.getMutableMappingTask().getMappingTask(); IDataSourceProxy source = mappingTaskSource.getTargetProxy(); source.getInstances(); int returnVal = chooser.showOpenDialog(WindowManager.getDefault().getMainWindow()); if (returnVal == JFileChooser.APPROVE_OPTION) { //giannisk Scenarios.getNextFreeNumber(); IDataSourceProxy target = loadXMLDataSource(chooser.getSelectedFile().getAbsolutePath()); MappingTask mappingTask = new MappingTask(source, target, SpicyEngineConstants.LINES_BASED_MAPPING_TASK); caratteristicheWidgetChainComposition.getMutableMappingTask().setMappingTask(mappingTask); Scenario scenario = Utility.gestioneScenario(mappingTask, modello, actionProjectTree); chainWidget.changeImage(scenario.getImageNumber()); chainWidget.revalidate(); } } catch (DAOException ex) { logger.error(ex); DialogDisplayer.getDefault() .notify(new NotifyDescriptor.Message( NbBundle.getMessage(Costanti.class, Costanti.NEW_ERROR) + " : " + ex.getMessage(), DialogDescriptor.ERROR_MESSAGE)); } catch (IllegalDataSourceException ex) { logger.error(ex); DialogDisplayer.getDefault().notify(new NotifyDescriptor.Message( NbBundle.getMessage(Costanti.class, Costanti.NO_INSTANCES_FOR_COMPOSITION))); } } private void deleteWidget() { LayerWidget mainLayer = (LayerWidget) chainWidget.getParentWidget(); CaratteristicheWidgetChainComposition caratteristicheWidgetChainComposition = (CaratteristicheWidgetChainComposition) mainLayer .getChildConstraint(this.chainWidget); // ConnectionInfo connectionInfo = caratteristicheWidgetChainComposition.getConnectionInfo(); // System.out.println("connectionInfo: " + connectionInfo); // if (connectionInfo != null) { // LayerWidget connectionLayer = (LayerWidget) connectionInfo.getConnectionWidget().getParentWidget(); //TODO vedere se puo' essere migliorato mettendo una lista di connectionInfo nelle classe delle caratteristiche del widget (in questo caso in CaratteristicheWidgetChainComposition) List<ConnectionWidget> listaConnectionToWidget = new ArrayList<ConnectionWidget>(); List<ConnectionWidget> listaConnectionFromWidget = new ArrayList<ConnectionWidget>(); for (Widget widget : connectionLayer.getChildren()) { ConnectionWidget connectionWidget = (ConnectionWidget) widget; if (connectionWidget.getSourceAnchor().getRelatedWidget().equals(chainWidget)) { listaConnectionFromWidget.add(connectionWidget); } else if (connectionWidget.getTargetAnchor().getRelatedWidget().equals(chainWidget)) { listaConnectionToWidget.add(connectionWidget); } } for (ConnectionWidget connectionWidget : listaConnectionFromWidget) { manageTargetWidget(connectionWidget, caratteristicheWidgetChainComposition, mainLayer); } for (ConnectionWidget connectionWidget : listaConnectionToWidget) { manageSourceWidget(connectionWidget, caratteristicheWidgetChainComposition, mainLayer); } // } caratteristicheWidgetChainComposition.getWidgetBarra().removeFromParent(); chainWidget.removeFromParent(); chainWidget.getScene().validate(); } private void executeInjection() { if (this.vista == null) { this.vista = Lookup.getDefault().lookup(Vista.class); } if (this.modello == null) { this.modello = Lookup.getDefault().lookup(Modello.class); } if (this.actionProjectTree == null) { this.actionProjectTree = Lookups.forPath("Azione").lookup(ActionProjectTree.class); } } public void setEnable(boolean enabled) { this.itemLoadDataSource.setEnabled(enabled); } private void manageTargetWidget(ConnectionWidget connectionWidget, CaratteristicheWidgetChainComposition caratteristicheWidgetChainComposition, LayerWidget mainLayer) { AbstractCaratteristicheWidgetComposition caratteristicheWidgetCompositionTarget = (AbstractCaratteristicheWidgetComposition) mainLayer .getChildConstraint(connectionWidget.getTargetAnchor().getRelatedWidget()); MutableMappingTask mutableMappingTaskSource = caratteristicheWidgetChainComposition.getMutableMappingTask(); MutableMappingTask mutableMappingTaskTarget = caratteristicheWidgetCompositionTarget .getMutableMappingTask(); mutableMappingTaskSource.getMutableMappingTasks().remove(mutableMappingTaskTarget); mutableMappingTaskTarget.getMutableMappingTasks().remove(mutableMappingTaskSource); caratteristicheWidgetCompositionTarget .removeSourceScenario((ICompositionWidget) connectionWidget.getTargetAnchor().getRelatedWidget()); caratteristicheWidgetChainComposition.getTargetList() .remove((ICompositionWidget) connectionWidget.getTargetAnchor().getRelatedWidget()); connectionWidget.removeFromParent(); } private void manageSourceWidget(ConnectionWidget connectionWidget, CaratteristicheWidgetChainComposition caratteristicheWidgetChainCompositionTarget, LayerWidget mainLayer) { AbstractCaratteristicheWidgetComposition caratteristicheWidgetCompositionSource = (AbstractCaratteristicheWidgetComposition) mainLayer .getChildConstraint(connectionWidget.getTargetAnchor().getRelatedWidget()); MutableMappingTask mutableMappingTaskSource = caratteristicheWidgetCompositionSource .getMutableMappingTask(); MutableMappingTask mutableMappingTaskTarget = caratteristicheWidgetChainCompositionTarget .getMutableMappingTask(); mutableMappingTaskSource.getMutableMappingTasks().remove(mutableMappingTaskTarget); mutableMappingTaskTarget.getMutableMappingTasks().remove(mutableMappingTaskSource); caratteristicheWidgetChainCompositionTarget .removeSourceScenario((ICompositionWidget) connectionWidget.getTargetAnchor().getRelatedWidget()); caratteristicheWidgetCompositionSource.getTargetList() .remove((ICompositionWidget) connectionWidget.getTargetAnchor().getRelatedWidget()); connectionWidget.removeFromParent(); } }