| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.corext.refactoring.changes; |
| |
| import org.eclipse.core.filebuffers.FileBuffers; |
| import org.eclipse.core.filebuffers.ITextFileBuffer; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.SubProgressMonitor; |
| import org.eclipse.dltk.internal.corext.refactoring.RefactoringCoreMessages; |
| import org.eclipse.dltk.internal.corext.refactoring.base.DLTKChange; |
| import org.eclipse.ltk.core.refactoring.Change; |
| |
| |
| abstract class AbstractDeleteChange extends DLTKChange { |
| |
| protected abstract void doDelete(IProgressMonitor pm) throws CoreException; |
| |
| /* non java-doc |
| * @see IChange#perform(ChangeContext, IProgressMonitor) |
| */ |
| public final Change perform(IProgressMonitor pm) throws CoreException { |
| try { |
| pm.beginTask(RefactoringCoreMessages.AbstractDeleteChange_deleting, 1); |
| doDelete(pm); |
| } finally { |
| pm.done(); |
| } |
| return null; |
| } |
| |
| protected static void saveFileIfNeeded(IFile file, IProgressMonitor pm) throws CoreException { |
| ITextFileBuffer buffer= FileBuffers.getTextFileBufferManager().getTextFileBuffer(file.getFullPath()); |
| if (buffer != null && buffer.isDirty() && buffer.isStateValidated() && buffer.isSynchronized()) { |
| pm.beginTask("", 2); //$NON-NLS-1$ |
| buffer.commit(new SubProgressMonitor(pm, 1), false); |
| file.refreshLocal(IResource.DEPTH_ONE, new SubProgressMonitor(pm, 1)); |
| pm.done(); |
| } else { |
| pm.beginTask("", 1); //$NON-NLS-1$ |
| pm.worked(1); |
| pm.done(); |
| } |
| } |
| } |
| |