/*****************************************************************************
* Copyright (c) 2009 Atos Origin.
*
*
* 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:
* <a href="mailto:thomas.szadel@atosorigin.com">Thomas Szadel</a> - Initial API and implementation
* <a href="mailto:arthur.daussy@atosorigin.com">Arthur Daussy</a> - Correction of the move ( set the destination attribute)
*****************************************************************************/
package org.eclipse.papyrus.infra.ui.resources.refactoring;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.core.resources.IContainer;
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.OperationCanceledException;
import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.core.refactoring.CompositeChange;
import org.eclipse.ltk.core.refactoring.NullChange;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext;
import org.eclipse.ltk.core.refactoring.participants.MoveParticipant;
import org.eclipse.ltk.core.refactoring.resource.MoveResourceChange;
/**
* Participant that is aware of model deletion.
* FIXME Integrate and create register to the extension point
*
* @author <a href="mailto:thomas.szadel@atosorigin.com">Thomas Szadel</a>
*
*/
public class MoveModelParticipant extends MoveParticipant {
private Set<IResource> filesToMove = new HashSet<IResource>();
private IContainer destination;
/**
* Overrides checkConditions.
*
* {@inheritDoc}
*
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringParticipant#checkConditions(org.eclipse.core.runtime.IProgressMonitor,
* org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext)
*/
@Override
public RefactoringStatus checkConditions(IProgressMonitor pm, CheckConditionsContext context) throws OperationCanceledException {
return new RefactoringStatus();
}
/**
* Overrides createChange.
*
* {@inheritDoc}
*
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringParticipant#createChange(org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public Change createChange(IProgressMonitor pm) throws CoreException, OperationCanceledException {
List<Change> changes = new ArrayList<Change>(filesToMove.size());
for(IResource path : filesToMove) {
if(path.exists()) {
changes.add(new MoveResourceChange(path, destination));
}
}
if(changes.isEmpty()) {
return new NullChange();
} else {
return new CompositeChange(getName(), changes.toArray(new Change[changes.size()]));
}
}
/**
* Overrides getName.
*
* {@inheritDoc}
*
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringParticipant#getName()
*/
@Override
public String getName() {
return Messages.MoveModelParticipant_Name;
}
/**
* Overrides initialize.
*
* {@inheritDoc}
*
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringParticipant#initialize(java.lang.Object)
*/
@Override
protected boolean initialize(Object element) {
if(!(element instanceof IFile)) {
return false;
}
IFile file = (IFile)element;
Object _destination = getArguments().getDestination();
if(_destination instanceof IContainer) {
destination = (IContainer)_destination;
}
filesToMove = ModelParticipantHelpers.getRelatedFiles(file);
return filesToMove.size() > 0;
}
}