| /******************************************************************************* |
| * Copyright (c) 2000, 2018 IBM Corporation and others. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.corext.refactoring.changes; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.dltk.core.IScriptFolder; |
| import org.eclipse.dltk.core.ISourceModule; |
| import org.eclipse.dltk.internal.corext.refactoring.RefactoringCoreMessages; |
| import org.eclipse.dltk.internal.corext.util.Messages; |
| import org.eclipse.ltk.core.refactoring.Change; |
| import org.eclipse.ltk.core.refactoring.RefactoringStatus; |
| |
| public class MoveSourceModuleChange extends SourceModuleReorgChange { |
| |
| private boolean fUndoable; |
| private long fStampToRestore; |
| |
| public MoveSourceModuleChange(ISourceModule cu, IScriptFolder newPackage) { |
| super(cu, newPackage); |
| fStampToRestore = IResource.NULL_STAMP; |
| } |
| |
| private MoveSourceModuleChange(IScriptFolder oldPackage, String cuName, |
| IScriptFolder newPackage, long stampToRestore) { |
| super(oldPackage.getHandleIdentifier(), |
| newPackage.getHandleIdentifier(), |
| oldPackage.getSourceModule(cuName).getHandleIdentifier()); |
| fStampToRestore = stampToRestore; |
| } |
| |
| @Override |
| public String getName() { |
| return Messages.format( |
| RefactoringCoreMessages.MoveSourceModuleChange_name, |
| getCu().getElementName(), |
| getPackageName(getDestinationPackage())); |
| } |
| |
| @Override |
| public RefactoringStatus isValid(IProgressMonitor pm) throws CoreException { |
| return super.isValid(pm, READ_ONLY | SAVE_IF_DIRTY); |
| } |
| |
| @Override |
| Change doPerformReorg(IProgressMonitor pm) throws CoreException { |
| String name; |
| String newName = getNewName(); |
| if (newName == null) |
| name = getCu().getElementName(); |
| else |
| name = newName; |
| |
| // get current modification stamp |
| long currentStamp = IResource.NULL_STAMP; |
| IResource resource = getCu().getResource(); |
| if (resource != null) { |
| currentStamp = resource.getModificationStamp(); |
| } |
| |
| fUndoable = !getDestinationPackage().getSourceModule(name).exists(); |
| |
| // perform the move and restore modification stamp |
| getCu().move(getDestinationPackage(), null, newName, true, pm); |
| if (fStampToRestore != IResource.NULL_STAMP) { |
| ISourceModule moved = getDestinationPackage().getSourceModule(name); |
| IResource movedResource = moved.getResource(); |
| if (movedResource != null) { |
| movedResource.revertModificationStamp(fStampToRestore); |
| } |
| } |
| |
| if (fUndoable) { |
| return new MoveSourceModuleChange(getDestinationPackage(), |
| getCu().getElementName(), getOldPackage(), currentStamp); |
| } |
| return null; |
| } |
| } |