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/*****************************************************************************
* 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
*
*****************************************************************************/
package org.eclipse.papyrus.navigator.internal.ltk;
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.IPath;
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.ltk.core.refactoring.participants.CheckConditionsContext;
import org.eclipse.ltk.core.refactoring.participants.RenameParticipant;
/**
* Participant that is aware of the renaming of a model.
*
* @author <a href="mailto:thomas.szadel@atosorigin.com">Thomas Szadel</a>
*
*/
public class RenameModelParticipant extends RenameParticipant {
private IFile fileToRename;
private IFile newFile;
/**
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringParticipant#createPreChange(org.eclipse.core.runtime.IProgressMonitor)
*
* @param pm
* The progress monitor.
* @return The change.
* @throws CoreException
* @throws OperationCanceledException
*/
@Override
public Change createPreChange(IProgressMonitor pm) throws CoreException, OperationCanceledException {
return new DirtyEditorChange(fileToRename, newFile);
}
/**
* 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 {
return new RenameModelChange(fileToRename, newFile);
}
/**
* Overrides getName.
*
* {@inheritDoc}
*
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringParticipant#getName()
*/
@Override
public String getName() {
return "Papyrus Model Renaming";
}
/**
* 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;
}
fileToRename = (IFile)element;
String ext = fileToRename.getFileExtension();
IContainer parent = fileToRename.getParent();
String newName = getArguments().getNewName();
int idx = newName.lastIndexOf('.');
if(idx > 0) {
newName = newName.substring(0, idx);
} else {
newName = newName + '.' + ext; // Always append the extension
}
boolean otherFiles = false;
for(IResource file : ModelParticipantHelpers.getRelatedFiles(fileToRename)) {
IPath path = file.getFullPath();
// Only add the change if the resource exists
IFile renFile = parent.getFile(path.makeRelativeTo(parent.getFullPath()));
if(!path.equals(fileToRename.getFullPath()) && renFile.exists()) {
otherFiles = true;
break;
}
}
if(otherFiles) {
// Get the new file
IPath newDiPath = fileToRename.getFullPath().removeLastSegments(1);
newDiPath = newDiPath.append(newName).addFileExtension(ext);
newFile = parent.getFile(newDiPath.makeRelativeTo(parent.getFullPath()));
return true;
} else {
return false;
}
}
}
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