plugins/org.eclipse.actf.visualization.eval/src/org/eclipse/actf/visualization/eval/preferences/GuidelineTreeContentProvider.java

/*******************************************************************************
 * Copyright (c) 2006, 2008 IBM Corporation 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:
 *    Norimasa HAYASHIDA - initial API and implementation
 *******************************************************************************/

package org.eclipse.actf.visualization.eval.preferences;

import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;




public class GuidelineTreeContentProvider implements ITreeContentProvider {

    public Object[] getChildren(Object parentElement) {
        IGuidelineTreeItem parent = (IGuidelineTreeItem) parentElement;
        return parent.getChildren().toArray();
    }

    public Object getParent(Object element) {
        return ((IGuidelineTreeItem) element).getParent();
    }

    public boolean hasChildren(Object element) {
        return getChildren(element).length > 0;
    }

    public Object[] getElements(Object inputElement) {
        return getChildren(inputElement);
    }

    public void dispose() {
    }

    public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
    }
}