/*******************************************************************************
* Copyright (c) 2008, 2012 Institute for Software, HSR Hochschule fuer Technik
* Rapperswil, University of applied sciences 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:
* Institute for Software - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.refactoring;
import java.util.Comparator;
import java.util.TreeSet;
import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.core.refactoring.CompositeChange;
import org.eclipse.cdt.ui.refactoring.CTextFileChange;
/**
* @author Emanuel Graf
*/
public class ChangeTreeSet {
private static final class ChangePositionComparator implements Comparator<CTextFileChange> {
@Override
public int compare(CTextFileChange o1, CTextFileChange o2) {
if (o1.getFile().equals(o2.getFile())) {
return o2.getEdit().getOffset() - o1.getEdit().getOffset();
}
return o2.getFile().hashCode() - o1.getFile().hashCode();
}
}
private final TreeSet<CTextFileChange> changes = new TreeSet<CTextFileChange>(new ChangePositionComparator());
public void add(CTextFileChange change) {
changes.add(change);
}
public CompositeChange getCompositeChange(String name) {
CompositeChange allChanges = new CompositeChange(name);
for (Change change : changes) {
allChanges.add(change);
}
return allChanges;
}
@Override
public String toString() {
return changes.toString();
}
}