Java tutorial
/******************************************************************************* * Copyright (c) 2011, 2013 University of Mannheim: Chair for Software Engineering * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Nikolai Hellwig - initial API and implementation and initial documentation *******************************************************************************/ package org.melanee.textdsl.grammarimport.importWizards; import org.eclipse.core.resources.IFile; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.InvalidRegistryObjectException; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.wizard.Wizard; import org.eclipse.ui.IImportWizard; import org.eclipse.ui.IWorkbench; import org.melanee.textdsl.grammarimport.GrammarTransformer; public class ImportGrammar extends Wizard implements IImportWizard { GrammarImportSelectionPage selectionPage; ImportGrammarPage mainPage; public ImportGrammar() { super(); } /* * (non-Javadoc) * * @see org.eclipse.jface.wizard.Wizard#performFinish() */ public boolean performFinish() { try { IFile file = mainPage.createNewFile(); if (file == null) return false; GrammarTransformer.transform(selectionPage.getFileName(), file.getFullPath().toString(), selectionPage.getGrammarImporter(), selectionPage.getGrammarTransformer(), selectionPage.isOptimizationDisabled()); return true; } catch (InvalidRegistryObjectException e) { e.printStackTrace(); MessageDialog dialog = new MessageDialog(getShell(), "Error", null, e.getMessage(), MessageDialog.ERROR, new String[] { "OK" }, 0); dialog.open(); } catch (CoreException e) { e.printStackTrace(); MessageDialog dialog = new MessageDialog(getShell(), "Error", null, e.getMessage(), MessageDialog.ERROR, new String[] { "OK" }, 0); dialog.open(); } catch (Exception e) { e.printStackTrace(); MessageDialog dialog = new MessageDialog(getShell(), "Error", null, e.getMessage(), MessageDialog.ERROR, new String[] { "OK" }, 0); dialog.open(); } return false; } /* * (non-Javadoc) * * @see org.eclipse.ui.IWorkbenchWizard#init(org.eclipse.ui.IWorkbench, * org.eclipse.jface.viewers.IStructuredSelection) */ public void init(IWorkbench workbench, IStructuredSelection selection) { setWindowTitle("File Import Wizard"); // NON-NLS-1 setNeedsProgressMonitor(true); mainPage = new ImportGrammarPage("Destination Model File", selection); // NON-NLS-1 selectionPage = new GrammarImportSelectionPage("Select Grammar Importer"); } /* * (non-Javadoc) * * @see org.eclipse.jface.wizard.IWizard#addPages() */ public void addPages() { super.addPages(); addPage(selectionPage); addPage(mainPage); } }