/*
* Copyright Text ->
*
* Copyright (c) 2012-2016 Marsha Chechik, Alessio Di Sandro, Michalis Famelis,
* Rick Salay.
* 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:
* Alessio Di Sandro - Implementation.
*/
package edu.toronto.cs.se.modelepedia.statemachine.diagram.part;
import java.io.IOException;
import java.util.LinkedList;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.operations.OperationHistoryFactory;
import org.eclipse.core.resources.IFile;
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 org.eclipse.ui.dialogs.WizardNewFileCreationPage;
import edu.toronto.cs.se.modelepedia.statemachine.diagram.edit.parts.StateMachineEditPart;
/**
* @generated
*/
public class StateMachineNewDiagramFileWizard extends Wizard {
/**
* @generated
*/
private WizardNewFileCreationPage myFileCreationPage;
/**
* @generated
*/
private ModelElementSelectionPage diagramRootElementSelectionPage;
/**
* @generated
*/
private TransactionalEditingDomain myEditingDomain;
/**
* @generated
*/
public StateMachineNewDiagramFileWizard(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.StateMachineNewDiagramFileWizard_CreationPageName,
StructuredSelection.EMPTY);
myFileCreationPage
.setTitle(Messages.StateMachineNewDiagramFileWizard_CreationPageTitle);
myFileCreationPage
.setDescription(NLS
.bind(Messages.StateMachineNewDiagramFileWizard_CreationPageDescription,
StateMachineEditPart.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(StateMachineDiagramEditorUtil
.getUniqueFileName(filePath, fileName, "statemachinediag")); //$NON-NLS-1$
diagramRootElementSelectionPage = new DiagramRootElementSelectionPage(
Messages.StateMachineNewDiagramFileWizard_RootSelectionPageName);
diagramRootElementSelectionPage
.setTitle(Messages.StateMachineNewDiagramFileWizard_RootSelectionPageTitle);
diagramRootElementSelectionPage
.setDescription(Messages.StateMachineNewDiagramFileWizard_RootSelectionPageDescription);
diagramRootElementSelectionPage.setModelElement(diagramRoot);
myEditingDomain = editingDomain;
}
/**
* @generated
*/
public void addPages() {
addPage(myFileCreationPage);
addPage(diagramRootElementSelectionPage);
}
/**
* @generated
*/
public boolean performFinish() {
LinkedList<IFile> affectedFiles = new LinkedList<IFile>();
IFile diagramFile = myFileCreationPage.createNewFile();
StateMachineDiagramEditorUtil.setCharset(diagramFile);
affectedFiles.add(diagramFile);
URI diagramModelURI = URI.createPlatformResourceURI(diagramFile
.getFullPath().toString(), true);
ResourceSet resourceSet = myEditingDomain.getResourceSet();
final Resource diagramResource = resourceSet
.createResource(diagramModelURI);
AbstractTransactionalCommand command = new AbstractTransactionalCommand(
myEditingDomain,
Messages.StateMachineNewDiagramFileWizard_InitDiagramCommand,
affectedFiles) {
protected CommandResult doExecuteWithResult(
IProgressMonitor monitor, IAdaptable info)
throws ExecutionException {
int diagramVID = StateMachineVisualIDRegistry
.getDiagramVisualID(diagramRootElementSelectionPage
.getModelElement());
if (diagramVID != StateMachineEditPart.VISUAL_ID) {
return CommandResult
.newErrorCommandResult(Messages.StateMachineNewDiagramFileWizard_IncorrectRootError);
}
Diagram diagram = ViewService
.createDiagram(
diagramRootElementSelectionPage
.getModelElement(),
StateMachineEditPart.MODEL_ID,
StateMachineDiagramEditorPlugin.DIAGRAM_PREFERENCES_HINT);
diagramResource.getContents().add(diagram);
return CommandResult.newOKCommandResult();
}
};
try {
OperationHistoryFactory.getOperationHistory().execute(command,
new NullProgressMonitor(), null);
diagramResource
.save(StateMachineDiagramEditorUtil.getSaveOptions());
StateMachineDiagramEditorUtil.openDiagram(diagramResource);
} catch (ExecutionException e) {
StateMachineDiagramEditorPlugin.getInstance().logError(
"Unable to create model and diagram", e); //$NON-NLS-1$
} catch (IOException ex) {
StateMachineDiagramEditorPlugin.getInstance().logError(
"Save operation failed for: " + diagramModelURI, ex); //$NON-NLS-1$
} catch (PartInitException ex) {
StateMachineDiagramEditorPlugin.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
*/
protected String getSelectionTitle() {
return Messages.StateMachineNewDiagramFileWizard_RootSelectionPageSelectionTitle;
}
/**
* @generated
*/
protected boolean validatePage() {
if (getModelElement() == null) {
setErrorMessage(Messages.StateMachineNewDiagramFileWizard_RootSelectionPageNoSelectionMessage);
return false;
}
boolean result = ViewService
.getInstance()
.provides(
new CreateDiagramViewOperation(
new EObjectAdapter(getModelElement()),
StateMachineEditPart.MODEL_ID,
StateMachineDiagramEditorPlugin.DIAGRAM_PREFERENCES_HINT));
setErrorMessage(result ? null
: Messages.StateMachineNewDiagramFileWizard_RootSelectionPageInvalidSelectionMessage);
return result;
}
}
}