/*******************************************************************************
* Copyright (c) 2009 STMicroelectronics.
* 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:
* Xavier Raynaud <xavier.raynaud@st.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.gcov.view;
import java.util.LinkedList;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.linuxtools.internal.gcov.model.TreeElement;
import org.eclipse.linuxtools.internal.gcov.parser.CovManager;
public class CovFolderContentProvider implements ITreeContentProvider {
/** Shared instance: this class is implemented as a Singleton */
public static final CovFolderContentProvider sharedInstance = new CovFolderContentProvider();
protected CovFolderContentProvider(){
}
@Override
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof TreeElement) {
TreeElement elem = (TreeElement) parentElement;
LinkedList<? extends TreeElement> list = elem.getChildren();
if (list != null)
return list.toArray();
}
return null;
}
@Override
public Object getParent(Object element) {
if (element instanceof TreeElement) {
TreeElement elem = (TreeElement) element;
return elem.getParent();
}
return null;
}
@Override
public boolean hasChildren(Object element) {
if (element instanceof TreeElement) {
TreeElement elem = (TreeElement) element;
return elem.hasChildren();
}
return false;
}
@Override
public Object[] getElements(Object inputElement) {
if (inputElement instanceof CovManager) {
CovManager cvrgMnger = (CovManager)inputElement;
return new Object[] {
cvrgMnger.getRootNode()
};
}
return new Object[0];
}
@Override
public void dispose() {
}
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
}