os.linux & tmf.ui: introduce dynamic filter for cfv: Active threads and Threads on...

[deliverable/tracecompass.git] / tmf / org.eclipse.tracecompass.tmf.ui / src / org / eclipse / tracecompass / tmf / ui / widgets / timegraph / TimeGraphCombo.java

diff --git a/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/widgets/timegraph/TimeGraphCombo.java b/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/widgets/timegraph/TimeGraphCombo.java
index 0c27d2515b296c2fc8907e5f5217a580e6fa2457..f2b8e3a33a9d1d6d67222abca1ae63d0dc8df0b6 100644 (file)
--- a/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/widgets/timegraph/TimeGraphCombo.java
+++ b/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/widgets/timegraph/TimeGraphCombo.java
@@ -1081,7 +1081,9 @@ public class TimeGraphCombo extends Composite {
     public void removeFilter(@NonNull ViewerFilter filter) {
         fInhibitTreeSelection = true;
         ViewerFilter wrapper = fViewerFilterMap.get(filter);
-        fTreeViewer.removeFilter(wrapper);
+        if (wrapper != null) {
+            fTreeViewer.removeFilter(wrapper);
+        }
         fTimeGraphViewer.removeFilter(filter);
         fViewerFilterMap.remove(filter);
         alignTreeItems(true);