content: /*******************************************************************************
   * Copyright (c) 2000, 2008 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.wst.jsdt.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.ltk.core.refactoring.Change;
  import org.eclipse.ltk.core.refactoring.RefactoringStatus;
  import org.eclipse.wst.jsdt.core.IJavaScriptUnit;
  import org.eclipse.wst.jsdt.core.IPackageFragment;
  import org.eclipse.wst.jsdt.internal.corext.refactoring.RefactoringCoreMessages;
  import org.eclipse.wst.jsdt.internal.corext.refactoring.reorg.INewNameQuery;
  import org.eclipse.wst.jsdt.internal.corext.util.Messages;
  
  public class CopyCompilationUnitChange extends CompilationUnitReorgChange {
  	
  	public CopyCompilationUnitChange(IJavaScriptUnit cu, IPackageFragment dest, INewNameQuery newNameQuery){
  		super(cu, dest, newNameQuery);
  	}
  		
  	public RefactoringStatus isValid(IProgressMonitor pm) throws CoreException {
  		// Copy compilation unit change isn't undoable and isn't used
  		// as a redo/undo change right now. Furthermore the current 
  		// implementation allows copying dirty files. In this case only 
  		// the content on disk is copied.
  		return super.isValid(pm, NONE);
  	}
  	
  	Change doPerformReorg(IProgressMonitor pm) throws CoreException, OperationCanceledException {
  		getCu().copy(getDestinationPackage(), null, getNewName(), true, pm);
  		return null;
  	}
  
  	public String getName() {
  		return Messages.format(RefactoringCoreMessages.CopyCompilationUnitChange_copy, 
  			new String[]{getCu().getElementName(), getPackageName(getDestinationPackage())});
  	}
  }
  