| /********************************************************************** |
| * Copyright (c) 2012, 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: |
| * Bernd Hufmann - Initial API and implementation |
| **********************************************************************/ |
| package org.eclipse.tracecompass.internal.lttng2.control.ui.views.model.impl; |
| |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.tracecompass.internal.lttng2.control.ui.views.model.ITraceControlComponent; |
| |
| /** |
| * <p> |
| * Tree content provider implementation for trace control view. |
| * </p> |
| * |
| * @author Bernd Hufmann |
| */ |
| public class TraceControlContentProvider implements ITreeContentProvider { |
| |
| // ------------------------------------------------------------------------ |
| // Operations |
| // ------------------------------------------------------------------------ |
| |
| @Override |
| public void dispose() { |
| // Do nothing |
| } |
| |
| @Override |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| // Do nothing |
| } |
| |
| @Override |
| public Object[] getElements(Object inputElement) { |
| return getChildren(inputElement); |
| } |
| |
| @Override |
| public Object[] getChildren(Object parentElement) { |
| |
| if (parentElement instanceof ITraceControlComponent) { |
| return ((ITraceControlComponent)parentElement).getChildren(); |
| } |
| return new Object[0]; |
| } |
| |
| @Override |
| public Object getParent(Object element) { |
| if (element instanceof ITraceControlComponent) { |
| return ((ITraceControlComponent)element).getParent(); |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean hasChildren(Object element) { |
| if (element instanceof ITraceControlComponent) { |
| return ((ITraceControlComponent)element).hasChildren(); |
| } |
| return false; |
| } |
| } |