| /******************************************************************************* |
| * Copyright (c) 2013, 2014 Ericsson |
| * |
| * All rights reserved. This program and the accompanying materials are |
| * made available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Marc-Andre Laperle - Initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.internal.tmf.ui.project.wizards.tracepkg; |
| |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| |
| /** |
| * A content provider to display the content of a trace package in a tree |
| * |
| * @author Marc-Andre Laperle |
| */ |
| public class TracePackageContentProvider implements ITreeContentProvider { |
| |
| @Override |
| public void dispose() { |
| // Do nothing |
| } |
| |
| @Override |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| // Do nothing |
| } |
| |
| @Override |
| public Object[] getElements(Object inputElement) { |
| if (inputElement instanceof TracePackageElement[]) { |
| return (TracePackageElement[]) inputElement; |
| } |
| return null; |
| } |
| |
| @Override |
| public Object[] getChildren(Object parentElement) { |
| return ((TracePackageElement) parentElement).getVisibleChildren(); |
| } |
| |
| @Override |
| public Object getParent(Object element) { |
| return ((TracePackageElement) element).getParent(); |
| } |
| |
| @Override |
| public boolean hasChildren(Object element) { |
| TracePackageElement traceTransferElement = (TracePackageElement) element; |
| TracePackageElement[] visibleChildren = traceTransferElement.getVisibleChildren(); |
| return visibleChildren != null && visibleChildren.length > 0; |
| } |
| |
| } |