| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2015 Ericsson |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials are made |
| 5 | * available under the terms of the Eclipse Public License v1.0 which |
| 6 | * accompanies this distribution, and is available at |
| 7 | * http://www.eclipse.org/legal/epl-v10.html |
| 8 | * |
| 9 | * Contributors: |
| 10 | * Bernd Hufmann - Initial API and implementation |
| 11 | *******************************************************************************/ |
| 12 | |
| 13 | package org.eclipse.tracecompass.internal.analysis.os.linux.ui.views.latency.statistics; |
| 14 | |
| 15 | import org.eclipse.jdt.annotation.Nullable; |
| 16 | import org.eclipse.swt.widgets.Composite; |
| 17 | import org.eclipse.tracecompass.common.core.NonNullUtils; |
| 18 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; |
| 19 | import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager; |
| 20 | import org.eclipse.tracecompass.tmf.ui.views.TmfView; |
| 21 | |
| 22 | /** |
| 23 | * Abstract view to to be extended to display latency statistics. |
| 24 | * |
| 25 | * @author Bernd Hufmann |
| 26 | * |
| 27 | */ |
| 28 | public abstract class AbstractLatencyStatisticsView extends TmfView { |
| 29 | |
| 30 | @Nullable private AbstractLatencyStatisticsViewer fStatsViewer = null; |
| 31 | |
| 32 | /** |
| 33 | * Constructor |
| 34 | */ |
| 35 | public AbstractLatencyStatisticsView() { |
| 36 | super("StatisticsView"); //$NON-NLS-1$ |
| 37 | } |
| 38 | |
| 39 | @Override |
| 40 | public void createPartControl(@Nullable Composite parent) { |
| 41 | super.createPartControl(parent); |
| 42 | AbstractLatencyStatisticsViewer statsViewer = createLatencyStatisticsViewer(NonNullUtils.checkNotNull(parent)); |
| 43 | ITmfTrace trace = TmfTraceManager.getInstance().getActiveTrace(); |
| 44 | if (trace != null) { |
| 45 | statsViewer.loadTrace(trace); |
| 46 | } |
| 47 | fStatsViewer = statsViewer; |
| 48 | } |
| 49 | |
| 50 | @Override |
| 51 | public void setFocus() { |
| 52 | AbstractLatencyStatisticsViewer statsViewer = fStatsViewer; |
| 53 | if (statsViewer != null) { |
| 54 | statsViewer.getControl().setFocus(); |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | @Override |
| 59 | public void dispose() { |
| 60 | super.dispose(); |
| 61 | AbstractLatencyStatisticsViewer statsViewer = fStatsViewer; |
| 62 | if (statsViewer != null) { |
| 63 | statsViewer.dispose(); |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Creates a latency statistics viewer instance. |
| 69 | * |
| 70 | * @param parent |
| 71 | * the parent composite to create the viewer in. |
| 72 | * @return the latency statistics viewer implementation |
| 73 | */ |
| 74 | protected abstract AbstractLatencyStatisticsViewer createLatencyStatisticsViewer(Composite parent); |
| 75 | |
| 76 | } |