/******************************************************************************* * Copyright (c) 2006, 2011 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.jdt.internal.corext.refactoring.changes; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.OperationCanceledException; import org.eclipse.core.runtime.SubProgressMonitor; import org.eclipse.core.resources.IResource; import org.eclipse.ui.ide.undo.ResourceDescription; import org.eclipse.ltk.core.refactoring.Change; import org.eclipse.ltk.core.refactoring.RefactoringStatus; import org.eclipse.ltk.core.refactoring.resource.DeleteResourceChange; import org.eclipse.jdt.internal.corext.refactoring.RefactoringCoreMessages; import org.eclipse.jdt.internal.corext.util.Messages; import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels; public class UndoDeleteResourceChange extends Change { private final ResourceDescription fResourceDescription; public UndoDeleteResourceChange(ResourceDescription resourceDescription) { fResourceDescription= resourceDescription; } @Override public void initializeValidationData(IProgressMonitor pm) { } @Override public Object getModifiedElement() { return null; } @Override public String getName() { return Messages.format(RefactoringCoreMessages.UndoDeleteResourceChange_change_name, BasicElementLabels.getResourceName(fResourceDescription.getName())); } @Override public RefactoringStatus isValid(IProgressMonitor pm) throws CoreException, OperationCanceledException { if (! fResourceDescription.isValid()) { return RefactoringStatus.createFatalErrorStatus( Messages.format( RefactoringCoreMessages.UndoDeleteResourceChange_cannot_restore, BasicElementLabels.getResourceName(fResourceDescription.getName()))); } if (fResourceDescription.verifyExistence(true)) { return RefactoringStatus.createFatalErrorStatus( Messages.format( RefactoringCoreMessages.UndoDeleteResourceChange_already_exists, BasicElementLabels.getResourceName(fResourceDescription.getName()))); } return new RefactoringStatus(); } @Override public Change perform(IProgressMonitor pm) throws CoreException { IResource created= fResourceDescription.createResource(pm); created.refreshLocal(IResource.DEPTH_INFINITE, new SubProgressMonitor(pm, 1)); return new DeleteResourceChange(created.getFullPath(), true); } @Override public String toString() { return "Remove " + fResourceDescription.getName(); //$NON-NLS-1$ } }