tmf.ui: Make TmfTimeViewer handlers parameters nullable

[deliverable/tracecompass.git] / tmf / org.eclipse.tracecompass.tmf.ui / src / org / eclipse / tracecompass / tmf / ui / viewers / xycharts / TmfXYChartViewer.java

diff --git a/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/viewers/xycharts/TmfXYChartViewer.java b/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/viewers/xycharts/TmfXYChartViewer.java
index b9baefac3e27c1767d32eda7059e80722fba18cf..29ca3f9809084fde4b5975eb8e9c384ec9c76860 100644 (file)
--- a/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/viewers/xycharts/TmfXYChartViewer.java
+++ b/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/viewers/xycharts/TmfXYChartViewer.java
@@ -319,7 +319,7 @@ public abstract class TmfXYChartViewer extends TmfTimeViewer implements ITmfChar
     @TmfSignalHandler
     public void selectionRangeUpdated(TmfSelectionRangeUpdatedSignal signal) {
         super.selectionRangeUpdated(signal);
-        if ((signal.getSource() != this) && (getTrace() != null)) {
+        if (signal != null && (signal.getSource() != this) && (getTrace() != null)) {
             if (fMouseSelectionProvider != null) {
                 fMouseSelectionProvider.refresh();
             }