/*******************************************************************************
* Copyright Technophobia Ltd 2012
*
* This file is part of the Substeps Eclipse Plugin.
*
* The Substeps Eclipse Plugin is free software: you can redistribute it and/or modify
* it under the terms of the Eclipse Public License v1.0.
*
* The Substeps Eclipse Plugin is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Eclipse Public License for more details.
*
* You should have received a copy of the Eclipse Public License
* along with the Substeps Eclipse Plugin. If not, see <http://www.eclipse.org/legal/epl-v10.html>.
******************************************************************************/
package com.technophobia.substeps.junit.ui;
import org.eclipse.jdt.core.ElementChangedEvent;
import org.eclipse.jdt.core.IElementChangedListener;
import org.eclipse.jdt.core.JavaCore;
public class JavaCoreDirtyListener implements DirtyListener {
private IElementChangedListener listener;
@Override
public void addNewDirtyListener() {
if (listener == null) {
listener = new DirtyFeatureListener();
JavaCore.addElementChangedListener(listener);
}
}
@Override
public void removeDirtyListener() {
if (listener != null) {
JavaCore.removeElementChangedListener(listener);
listener = null;
}
}
private class DirtyFeatureListener implements IElementChangedListener {
@Override
public void elementChanged(final ElementChangedEvent event) {
removeDirtyListener();
}
}
}