Extract part focus code for re-use

Author: trancexpress

bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/ui/internal/workbench/PartServiceImpl.java

@@ -767,11 +767,7 @@ private void activate(MPart part, boolean requiresFocus, boolean activateBranch)
 			partActivationHistory.activate(part, activateBranch);
 
 			if (requiresFocus) {
-				IEclipseContext context = part.getContext();
-				if (context != null) {
-					IPresentationEngine pe = context.get(IPresentationEngine.class);
-					pe.focusGui(part);
-				}
+				focusPart(part);
 			}
 
 			// store the activation time to sort the parts in MRU order
@@ -1513,4 +1509,12 @@ private MElementContainer<? extends MUIElement> getContainer() {
 		}
 		return outerContainer;
 	}
+
+	private static void focusPart(MPart part) {
+		IEclipseContext context = part.getContext();
+		if (context != null) {
+			IPresentationEngine pe = context.get(IPresentationEngine.class);
+			pe.focusGui(part);
+		}
+	}
 }