| /******************************************************************************* |
| * Copyright (c) 2006, 2011 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.compare.structuremergeviewer; |
| |
| import org.eclipse.compare.ISharedDocumentAdapter; |
| import org.eclipse.compare.SharedDocumentAdapter; |
| import org.eclipse.core.runtime.Adapters; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.texteditor.IDocumentProvider; |
| |
| /** |
| * An implementation of {@link ISharedDocumentAdapter} that wraps another |
| * shared document adapter. |
| * <p> |
| * Clients may subclass this class. |
| * </p> |
| * @since 3.3 |
| */ |
| public class SharedDocumentAdapterWrapper implements ISharedDocumentAdapter { |
| private ISharedDocumentAdapter wrappedAdapter; |
| |
| /** |
| * Helper method that returns the shared document adapter for the |
| * given typed element or <code>null</code> if there isn't one. |
| * @param element the typed element |
| * @return the shared document adapter for the given typed element |
| * or <code>null</code> |
| */ |
| public static ISharedDocumentAdapter getAdapter(Object element) { |
| return Adapters.adapt(element, ISharedDocumentAdapter.class); |
| } |
| |
| /** |
| * Creates a shared document adapter that wraps the given adapter. |
| * @param wrappedAdapter the wrapped adapter |
| */ |
| public SharedDocumentAdapterWrapper(ISharedDocumentAdapter wrappedAdapter) { |
| super(); |
| this.wrappedAdapter = wrappedAdapter; |
| } |
| |
| @Override |
| public void connect(IDocumentProvider provider, IEditorInput documentKey) |
| throws CoreException { |
| wrappedAdapter.connect(provider, documentKey); |
| } |
| |
| @Override |
| public void disconnect(IDocumentProvider provider, IEditorInput documentKey) { |
| wrappedAdapter.disconnect(provider, documentKey); |
| } |
| |
| @Override |
| public IEditorInput getDocumentKey(Object element) { |
| return wrappedAdapter.getDocumentKey(element); |
| } |
| |
| @Override |
| public void flushDocument(IDocumentProvider provider, |
| IEditorInput documentKey, IDocument document, boolean overwrite) throws CoreException { |
| wrappedAdapter.flushDocument(provider, documentKey, document, overwrite); |
| } |
| |
| /** |
| * Returns the wrapped adapter. |
| * @return the wrapped adapter |
| */ |
| public final ISharedDocumentAdapter getWrappedAdapter() { |
| return wrappedAdapter; |
| } |
| |
| @Override |
| public void disconnect(Object element) { |
| IEditorInput input = getDocumentKey(element); |
| if (input == null) |
| return; |
| IDocumentProvider provider = SharedDocumentAdapter.getDocumentProvider(input); |
| if (provider == null) |
| return; |
| disconnect(provider, input); |
| } |
| } |