Java tutorial
/* * StsToolNewDiagramFileWizard.java * * This file is part of the STS-Tool project. * Copyright (c) 2011-2012 "University of Trento - DISI" All rights reserved. * * Is strictly forbidden to remove this copyright notice from this source code. * * Disclaimer of Warranty: * STS-Tool (this software) is provided "as-is" and without warranty of any kind, * express, implied or otherwise, including without limitation, any warranty of * merchantability or fitness for a particular purpose. * In no event shall the copyright holder or contributors be liable for any direct, * indirect, incidental, special, exemplary, or consequential damages * including, but not limited to, procurement of substitute goods or services; * loss of use, data, or profits; or business interruption) however caused and on * any theory of liability, whether in contract, strict liability, or tort (including * negligence or otherwise) arising in any way out of the use of this software, even * if advised of the possibility of such damage. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License version 3 * as published by the Free Software Foundation with the addition of the * following permission added to Section 15 as permitted in Section 7(a): * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY * "University of Trento - DISI","University of Trento - DISI" DISCLAIMS THE * WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. * * See the GNU Affero General Public License for more details. * You should have received a copy of the GNU Affero General Public License * along with this program; if not, see http://www.gnu.org/licenses or write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA, 02110-1301 USA, or download the license from the following URL: * http://www.sts-tool.eu/License.php * * For more information, please contact STS-Tool group at this * address: ststool@disi.unitn.it * */ package eu.aniketos.wp1.ststool.diagram.part; import java.io.IOException; import java.util.LinkedList; import java.util.List; import org.eclipse.core.commands.ExecutionException; import org.eclipse.core.commands.operations.OperationHistoryFactory; import org.eclipse.core.runtime.IAdaptable; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.core.runtime.Path; import org.eclipse.emf.common.util.URI; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.ecore.resource.Resource; import org.eclipse.emf.ecore.resource.ResourceSet; import org.eclipse.emf.transaction.TransactionalEditingDomain; import org.eclipse.gmf.runtime.common.core.command.CommandResult; import org.eclipse.gmf.runtime.diagram.core.services.ViewService; import org.eclipse.gmf.runtime.diagram.core.services.view.CreateDiagramViewOperation; import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand; import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter; import org.eclipse.gmf.runtime.notation.Diagram; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.wizard.Wizard; import org.eclipse.osgi.util.NLS; import org.eclipse.ui.PartInitException; import eu.aniketos.wp1.ststool.diagram.application.WizardNewFileCreationPage; import eu.aniketos.wp1.ststool.diagram.edit.parts.StsToolDiagramEditPart; /** * @generated */ public class StsToolNewDiagramFileWizard extends Wizard { /** * @generated */ private WizardNewFileCreationPage myFileCreationPage; /** * @generated */ private ModelElementSelectionPage diagramRootElementSelectionPage; /** * @generated */ private TransactionalEditingDomain myEditingDomain; /** * @generated */ public StsToolNewDiagramFileWizard(URI domainModelURI, EObject diagramRoot, TransactionalEditingDomain editingDomain) { assert domainModelURI != null : "Domain model uri must be specified"; //$NON-NLS-1$ assert diagramRoot != null : "Doagram root element must be specified"; //$NON-NLS-1$ assert editingDomain != null : "Editing domain must be specified"; //$NON-NLS-1$ myFileCreationPage = new WizardNewFileCreationPage(Messages.StsToolNewDiagramFileWizard_CreationPageName, StructuredSelection.EMPTY); myFileCreationPage.setTitle(Messages.StsToolNewDiagramFileWizard_CreationPageTitle); myFileCreationPage.setDescription(NLS.bind(Messages.StsToolNewDiagramFileWizard_CreationPageDescription, StsToolDiagramEditPart.MODEL_ID)); IPath filePath; String fileName = URI.decode(domainModelURI.trimFileExtension().lastSegment()); if (domainModelURI.isPlatformResource()) { filePath = new Path(domainModelURI.trimSegments(1).toPlatformString(true)); } else if (domainModelURI.isFile()) { filePath = new Path(domainModelURI.trimSegments(1).toFileString()); } else { // TODO : use some default path throw new IllegalArgumentException("Unsupported URI: " + domainModelURI); //$NON-NLS-1$ } myFileCreationPage.setContainerFullPath(filePath); myFileCreationPage .setFileName(StsToolDiagramEditorUtil.getUniqueFileName(filePath, fileName, "ststool_diagram")); //$NON-NLS-1$ diagramRootElementSelectionPage = new DiagramRootElementSelectionPage( Messages.StsToolNewDiagramFileWizard_RootSelectionPageName); diagramRootElementSelectionPage.setTitle(Messages.StsToolNewDiagramFileWizard_RootSelectionPageTitle); diagramRootElementSelectionPage .setDescription(Messages.StsToolNewDiagramFileWizard_RootSelectionPageDescription); diagramRootElementSelectionPage.setModelElement(diagramRoot); myEditingDomain = editingDomain; } /** * @generated */ @Override public void addPages() { addPage(myFileCreationPage); addPage(diagramRootElementSelectionPage); } /** * @generated */ @Override public boolean performFinish() { List affectedFiles = new LinkedList(); IPath diagramModelPath = myFileCreationPage.getContainerFullPath().append(myFileCreationPage.getFileName()); URI diagramModelURI = URI.createFileURI(diagramModelPath.toString()); ResourceSet resourceSet = myEditingDomain.getResourceSet(); final Resource diagramResource = resourceSet.createResource(diagramModelURI); AbstractTransactionalCommand command = new AbstractTransactionalCommand(myEditingDomain, Messages.StsToolNewDiagramFileWizard_InitDiagramCommand, affectedFiles) { protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException { int diagramVID = StsToolVisualIDRegistry .getDiagramVisualID(diagramRootElementSelectionPage.getModelElement()); if (diagramVID != StsToolDiagramEditPart.VISUAL_ID) { return CommandResult .newErrorCommandResult(Messages.StsToolNewDiagramFileWizard_IncorrectRootError); } Diagram diagram = ViewService.createDiagram(diagramRootElementSelectionPage.getModelElement(), StsToolDiagramEditPart.MODEL_ID, StsToolDiagramEditorPlugin.DIAGRAM_PREFERENCES_HINT); diagramResource.getContents().add(diagram); diagramResource.getContents().add(diagram.getElement()); return CommandResult.newOKCommandResult(); } }; try { OperationHistoryFactory.getOperationHistory().execute(command, new NullProgressMonitor(), null); diagramResource.save(StsToolDiagramEditorUtil.getSaveOptions()); StsToolDiagramEditorUtil.openDiagram(diagramResource); } catch (ExecutionException e) { StsToolDiagramEditorPlugin.getInstance().logError("Unable to create model and diagram", e); //$NON-NLS-1$ } catch (IOException ex) { StsToolDiagramEditorPlugin.getInstance().logError("Save operation failed for: " + diagramModelURI, ex); //$NON-NLS-1$ } catch (PartInitException ex) { StsToolDiagramEditorPlugin.getInstance().logError("Unable to open editor", ex); //$NON-NLS-1$ } return true; } /** * @generated */ private static class DiagramRootElementSelectionPage extends ModelElementSelectionPage { /** * @generated */ protected DiagramRootElementSelectionPage(String pageName) { super(pageName); } /** * @generated */ @Override protected String getSelectionTitle() { return Messages.StsToolNewDiagramFileWizard_RootSelectionPageSelectionTitle; } /** * @generated */ @Override protected boolean validatePage() { if (selectedModelElement == null) { setErrorMessage(Messages.StsToolNewDiagramFileWizard_RootSelectionPageNoSelectionMessage); return false; } boolean result = ViewService.getInstance() .provides(new CreateDiagramViewOperation(new EObjectAdapter(selectedModelElement), StsToolDiagramEditPart.MODEL_ID, StsToolDiagramEditorPlugin.DIAGRAM_PREFERENCES_HINT)); setErrorMessage( result ? null : Messages.StsToolNewDiagramFileWizard_RootSelectionPageInvalidSelectionMessage); return result; } } }