Show the view using sync and don't activate

Author: Jonas Kutscha

bundles/org.pitest.pitclipse.ui/src/org/pitest/pitclipse/ui/mutation/marker/PitclipseMutantMarkerFactory.java

@@ -33,8 +33,6 @@
 import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.core.JavaModelException;
 import org.eclipse.swt.widgets.Display;
-import org.eclipse.ui.IViewPart;
-import org.eclipse.ui.IWorkbenchPage;
 import org.eclipse.ui.PartInitException;
 import org.eclipse.ui.PlatformUI;
 import org.pitest.pitclipse.core.extension.point.ResultNotifier;
@@ -102,11 +100,10 @@ public class PitclipseMutantMarkerFactory implements ResultNotifier<MutationsMod
     public void handleResults(MutationsModel results) {
         createMarkers(results);
         // open and show tasks view after the marker are created
-        Display.getDefault().asyncExec(() -> {
+        Display.getDefault().syncExec(() -> {
             try {
-                IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
-                IViewPart view = page.showView(TASKS_VIEW_ID);
-                page.activate(view);
+                PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage()
+                        .showView(TASKS_VIEW_ID);
             } catch (PartInitException e) {
                 throw new RuntimeException("Could not show task view.", e);
             }