analysis/org.eclipse.tracecompass.analysis.timing.ui/src/org/eclipse/tracecompass/analysis/timing/ui/views/segmentstore/statistics/AbstractSegmentStoreStatisticsView.java

   1 /*******************************************************************************
   2  * Copyright (c) 2015, 2016 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 package org.eclipse.tracecompass.analysis.timing.ui.views.segmentstore.statistics;
  13
  14 import org.eclipse.jdt.annotation.Nullable;
  15 import org.eclipse.swt.widgets.Composite;
  16 import org.eclipse.tracecompass.common.core.NonNullUtils;
  17 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  18 import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager;
  19 import org.eclipse.tracecompass.tmf.ui.views.TmfView;
  20
  21 /**
  22  * Abstract view to to be extended to display segment store statistics.
  23  *
  24  * @author Bernd Hufmann
  25  *
  26  */
  27 public abstract class AbstractSegmentStoreStatisticsView extends TmfView {
  28
  29     @Nullable private AbstractSegmentStoreStatisticsViewer fStatsViewer = null;
  30
  31     /**
  32      * Constructor
  33      */
  34     public AbstractSegmentStoreStatisticsView() {
  35         super("StatisticsView"); //$NON-NLS-1$
  36     }
  37
  38     @Override
  39     public void createPartControl(@Nullable Composite parent) {
  40         super.createPartControl(parent);
  41         AbstractSegmentStoreStatisticsViewer statsViewer = createSegmentStoreStatisticsViewer(NonNullUtils.checkNotNull(parent));
  42         ITmfTrace trace = TmfTraceManager.getInstance().getActiveTrace();
  43         if (trace != null) {
  44             statsViewer.loadTrace(trace);
  45         }
  46         fStatsViewer = statsViewer;
  47     }
  48
  49     @Override
  50     public void setFocus() {
  51         AbstractSegmentStoreStatisticsViewer statsViewer = fStatsViewer;
  52         if (statsViewer != null) {
  53             statsViewer.getControl().setFocus();
  54         }
  55     }
  56
  57     @Override
  58     public void dispose() {
  59         super.dispose();
  60         AbstractSegmentStoreStatisticsViewer statsViewer = fStatsViewer;
  61         if (statsViewer != null) {
  62             statsViewer.dispose();
  63         }
  64     }
  65
  66     /**
  67      * Creates a segment store statistics viewer instance.
  68      *
  69      * @param parent
  70      *            the parent composite to create the viewer in.
  71      * @return the latency statistics viewer implementation
  72      */
  73     protected abstract AbstractSegmentStoreStatisticsViewer createSegmentStoreStatisticsViewer(Composite parent);
  74
  75 }