| /******************************************************************************* |
| * Copyright (c) 2015, 2018 Willink Transformations and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v20.html |
| * |
| * Contributors: |
| * E.D.Willink - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ocl.xtext.base.ui.model; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.emf.ecore.resource.ResourceSet; |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.ocl.pivot.internal.utilities.EnvironmentFactoryInternal; |
| import org.eclipse.ocl.pivot.internal.utilities.OCLInternal; |
| import org.eclipse.ocl.pivot.utilities.ClassUtil; |
| import org.eclipse.ocl.pivot.utilities.OCL; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.xtext.resource.XtextResource; |
| |
| /** |
| * BaseDocumentProvider provides an OCL instance whose lifetime correlates |
| * with the editor and which is accessible from the Xtext SynchronizedResourceSet. |
| */ |
| @SuppressWarnings("deprecation") |
| public class BaseDocumentProvider extends DeferredDocumentProvider |
| { |
| private @Nullable OCLInternal ocl; |
| |
| protected @NonNull OCLInternal createOCL() { |
| return OCLInternal.newInstance(); |
| } |
| |
| @Override |
| protected void disconnected() { |
| OCL ocl2 = ocl; |
| if (ocl2 != null) { |
| ocl = null; |
| ocl2.dispose(); |
| } |
| super.disconnected(); |
| } |
| |
| protected @NonNull EnvironmentFactoryInternal getEnvironmentFactory() { |
| return getOCL().getEnvironmentFactory(); |
| } |
| |
| protected @NonNull OCLInternal getOCL() { |
| OCLInternal ocl2 = ocl; |
| if (ocl2 == null) { |
| ocl = ocl2 = createOCL(); |
| } |
| return ocl2; |
| } |
| |
| @Override |
| protected void loadResource(XtextResource resource, String document, String encoding) throws CoreException { |
| if (resource != null) { |
| ResourceSet resourceSet = resource.getResourceSet(); |
| if (resourceSet != null) { |
| getEnvironmentFactory().adapt(resourceSet); |
| } |
| } |
| super.loadResource(resource, document, encoding); |
| } |
| |
| @Override |
| protected boolean setDocumentContent(IDocument document, IEditorInput editorInput, String encoding) throws CoreException { |
| if (editorInput != null) { |
| IResource resource = ClassUtil.getAdapter(editorInput, IResource.class); |
| if (resource != null) { |
| IProject project = resource.getProject(); |
| EnvironmentFactoryInternal environmentFactory = getEnvironmentFactory(); |
| environmentFactory.setProject(project); |
| } |
| } |
| return super.setDocumentContent(document, editorInput, encoding); |
| } |
| } |