| /******************************************************************************* |
| * Copyright (c) 2015 Ericsson |
| * |
| * 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: |
| * Patrick Tasse - Initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.tmf.ui.widgets.timegraph; |
| |
| import java.util.List; |
| |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeGraphEntry; |
| |
| /** |
| * Base provider class for the time graph content provider |
| * <p> |
| * The default implementation accepts an ITimeGraphEntry[] or a List of |
| * ITimeGraphEntry as input element. |
| * |
| * @author Patrick Tasse |
| * @since 1.0 |
| */ |
| |
| public class TimeGraphContentProvider implements ITimeGraphContentProvider { |
| |
| @Override |
| public ITimeGraphEntry[] getElements(Object inputElement) { |
| if (inputElement instanceof ITimeGraphEntry[]) { |
| return (ITimeGraphEntry[]) inputElement; |
| } else if (inputElement instanceof List) { |
| try { |
| return ((List<?>) inputElement).toArray(new ITimeGraphEntry[0]); |
| } catch (ClassCastException e) { |
| } |
| } |
| return new ITimeGraphEntry[0]; |
| } |
| |
| @Override |
| public boolean hasChildren(Object element) { |
| ITimeGraphEntry entry = (ITimeGraphEntry) element; |
| return entry.hasChildren(); |
| } |
| |
| @Override |
| public ITimeGraphEntry[] getChildren(Object parentElement) { |
| ITimeGraphEntry entry = (ITimeGraphEntry) parentElement; |
| List<? extends ITimeGraphEntry> children = entry.getChildren(); |
| return children.toArray(new ITimeGraphEntry[children.size()]); |
| } |
| |
| @Override |
| public ITimeGraphEntry getParent(Object element) { |
| ITimeGraphEntry entry = (ITimeGraphEntry) element; |
| return entry.getParent(); |
| } |
| |
| @Override |
| public void dispose() { |
| // Do nothing |
| } |
| |
| @Override |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| // Do nothing |
| } |
| |
| } |