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.tree; import it.unibas.spicy.model.datasource.INode; import it.unibas.spicy.model.exceptions.ExpressionSyntaxException; import it.unibas.spicy.model.mapping.IDataSourceProxy; import it.unibas.spicygui.Costanti; import it.unibas.spicygui.commons.Modello; import it.unibas.spicygui.controllo.datasource.operators.CreaWidgetEsisteSelectionCondition; import it.unibas.spicygui.controllo.mapping.operators.CreateCorrespondencesMappingTask; import it.unibas.spicygui.controllo.mapping.operators.ReviewCorrespondences; import it.unibas.spicygui.vista.JLayeredPaneCorrespondences; import it.unibas.spicygui.vista.intermediatezone.SelectionConditionDialog; import it.unibas.spicygui.vista.treepm.TreeNodeAdapter; import it.unibas.spicygui.widget.caratteristiche.SelectionConditionInfo; import java.awt.event.ActionEvent; import javax.swing.AbstractAction; import javax.swing.JDialog; import javax.swing.JTree; import javax.swing.tree.DefaultMutableTreeNode; import javax.swing.tree.TreePath; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.netbeans.api.visual.vmd.VMDPinWidget; import org.openide.DialogDescriptor; import org.openide.DialogDisplayer; import org.openide.NotifyDescriptor; import org.openide.awt.StatusDisplayer; import org.openide.util.Lookup; import org.openide.util.NbBundle; import org.openide.windows.WindowManager; public class ActionSelectionCondition extends AbstractAction { private static Log logger = LogFactory.getLog(ActionSelectionCondition.class); private CreaWidgetEsisteSelectionCondition analisiSelection = new CreaWidgetEsisteSelectionCondition(); private CreateCorrespondencesMappingTask creator = new CreateCorrespondencesMappingTask(); private ReviewCorrespondences review = new ReviewCorrespondences(); private SelectionConditionDialog dialog; private Modello modello; private JLayeredPaneCorrespondences jLayeredPane; private JTree jTree; private IDataSourceProxy dataSource; public ActionSelectionCondition(JLayeredPaneCorrespondences jLayeredPane, JTree jTree, IDataSourceProxy dataSource) { this.executeInjection(); this.jLayeredPane = jLayeredPane; this.jTree = jTree; this.dataSource = dataSource; this.putValue(NAME, NbBundle.getMessage(Costanti.class, Costanti.ACTION_EDIT_SELECTION_CONDITION)); dialog = new SelectionConditionDialog(WindowManager.getDefault().getMainWindow(), true); dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE); } public void actionPerformed(ActionEvent e) { SelectionConditionInfo selectionConditionInfo = getSelectionCondition(); dialog.setSelectionConditionInfo(selectionConditionInfo); dialog.clean(); dialog.setSelectionConditionInfo(selectionConditionInfo); dialog.getFormValidation().setButtonState((selectionConditionInfo.getExpressionString() != null) && !(selectionConditionInfo.getExpressionString().equals(""))); dialog.setDeleteButton(selectionConditionInfo.getSelectionCondition() != null); String oldExpression = selectionConditionInfo.getExpressionString(); boolean oldButtonState = dialog.getFormValidation().getButtonState(); dialog.setVisible(true); if (dialog.getReturnStatus() == SelectionConditionDialog.RET_CANCEL) { ripristina(oldButtonState, oldExpression, selectionConditionInfo); } else if (dialog.getReturnStatus() == SelectionConditionDialog.RET_OK) { updateSelectionCondition(oldButtonState, oldExpression, selectionConditionInfo); } else { deleteSelectionCondition(oldButtonState, oldExpression, selectionConditionInfo); } } private void aggiorna() { jTree.updateUI(); jLayeredPane.getMappingTaskTopComponent().getJLayeredPane().moveToFront(); } private void deleteSelectionCondition(boolean oldButtonState, String oldSelectionCondition, SelectionConditionInfo selectionConditionInfo) { try { INode iNode = getNodeSelected(); TreePath treePath = jTree.getSelectionPath(); DefaultMutableTreeNode treeNode = (DefaultMutableTreeNode) treePath.getLastPathComponent(); review.removeSelectionCondition(selectionConditionInfo.getSelectionCondition(), dataSource); selectionConditionInfo.setSelectionCondition(null); selectionConditionInfo.setExpressionString(""); analisiSelection.creaWidgetEsisteSelectionCondition(treeNode, selectionConditionInfo.getExpressionString(), selectionConditionInfo.getSelectionCondition()); VMDPinWidget vMDPinWidget = (VMDPinWidget) iNode.getAnnotation(Costanti.PIN_WIDGET_TREE); vMDPinWidget.setToolTipText(null); aggiorna(); } catch (ExpressionSyntaxException e) { creator.undo(selectionConditionInfo.getSelectionCondition(), dataSource); DialogDisplayer.getDefault() .notify(new NotifyDescriptor.Message( NbBundle.getMessage(Costanti.class, Costanti.SYNTAX_WARNING) + " : " + e.getMessage(), DialogDescriptor.WARNING_MESSAGE)); StatusDisplayer.getDefault() .setStatusText(NbBundle.getMessage(Costanti.class, Costanti.SYNTAX_WARNING)); ripristina(oldButtonState, oldSelectionCondition, selectionConditionInfo); } } private SelectionConditionInfo getSelectionCondition() { INode iNode = getNodeSelected(); SelectionConditionInfo selectionConditionInfo = null; if (iNode.getAnnotation(Costanti.SELECTION_CONDITON_INFO) != null) { selectionConditionInfo = (SelectionConditionInfo) iNode.getAnnotation(Costanti.SELECTION_CONDITON_INFO); } else { selectionConditionInfo = new SelectionConditionInfo(); iNode.addAnnotation(Costanti.SELECTION_CONDITON_INFO, selectionConditionInfo); } return selectionConditionInfo; } private void updateSelectionCondition(boolean oldButtonState, String oldSelectionCondition, SelectionConditionInfo selectionConditionInfo) { try { INode iNode = getNodeSelected(); TreePath treePath = jTree.getSelectionPath(); DefaultMutableTreeNode treeNode = (DefaultMutableTreeNode) treePath.getLastPathComponent(); review.removeSelectionCondition(selectionConditionInfo.getSelectionCondition(), dataSource); creator.createSelectionCondition(iNode, selectionConditionInfo.getExpressionString(), dataSource, selectionConditionInfo); analisiSelection.creaWidgetEsisteSelectionCondition(treeNode, selectionConditionInfo.getExpressionString(), selectionConditionInfo.getSelectionCondition()); VMDPinWidget vMDPinWidget = (VMDPinWidget) iNode.getAnnotation(Costanti.PIN_WIDGET_TREE); vMDPinWidget.setToolTipText(selectionConditionInfo.getSelectionCondition().toString()); aggiorna(); } catch (ExpressionSyntaxException e) { creator.undo(selectionConditionInfo.getSelectionCondition(), dataSource); DialogDisplayer.getDefault() .notify(new NotifyDescriptor.Message( NbBundle.getMessage(Costanti.class, Costanti.SYNTAX_WARNING) + " : " + e.getMessage(), DialogDescriptor.WARNING_MESSAGE)); StatusDisplayer.getDefault() .setStatusText(NbBundle.getMessage(Costanti.class, Costanti.SYNTAX_WARNING)); ripristina(oldButtonState, oldSelectionCondition, selectionConditionInfo); } } private INode getNodeSelected() { TreePath treePath = jTree.getSelectionPath(); DefaultMutableTreeNode treeNode = (DefaultMutableTreeNode) treePath.getLastPathComponent(); TreeNodeAdapter adapter = (TreeNodeAdapter) treeNode.getUserObject(); return adapter.getINode(); } private void ripristina(boolean oldButtonState, String oldSelectionCondition, SelectionConditionInfo selectionConditionInfo) { selectionConditionInfo.setExpressionString(oldSelectionCondition); dialog.getFormValidation().setButtonState(oldButtonState); } private void executeInjection() { if (this.modello == null) { this.modello = Lookup.getDefault().lookup(Modello.class); } } }