2 files changed, 12 insertions, 1 deletions
diff --git a/src/graphui/classes/com/jogamp/graph/ui/Group.java b/src/graphui/classes/com/jogamp/graph/ui/Group.java
index 38e1fd12e..aa5079b02 100644
--- a/src/graphui/classes/com/jogamp/graph/ui/Group.java
+++ b/src/graphui/classes/com/jogamp/graph/ui/Group.java
@@ -101,6 +101,9 @@ public class Group extends Shape implements Container {
         this.setInteractive(false);
     }
 
+    @Override
+    public final boolean isContainer() { return true; }
+
     /** Return current {@link Group.Layout}. */
     public Layout getLayout() { return layouter; }
 
@@ -244,6 +247,11 @@ public class Group extends Shape implements Container {
     public boolean getRelayoutOnDirtyShapes() { return relayoutOnDirtyShapes; }
 
     @Override
+    public boolean isActive() {
+        return super.isActive() || forAll((final Shape gs) -> { return gs.isActive(); });
+    }
+
+    @Override
     protected boolean isShapeDirty() {
         if( relayoutOnDirtyShapes ) {
             // Deep dirty state update:
diff --git a/src/graphui/classes/com/jogamp/graph/ui/Shape.java b/src/graphui/classes/com/jogamp/graph/ui/Shape.java
index 961b2cba4..a80f07403 100644
--- a/src/graphui/classes/com/jogamp/graph/ui/Shape.java
+++ b/src/graphui/classes/com/jogamp/graph/ui/Shape.java
@@ -216,6 +216,9 @@ public abstract class Shape {
     /** Return the optional symbolic name for this shape. */
     public final String getName() { return this.name; }
 
+    /** Returns true if this shape denotes a container, e.g. {@link Group}, otherwise false. */
+    public boolean isContainer() { return false; }
+
     /** Returns true if this shape is enabled and hence visible, otherwise false. */
     public final boolean isEnabled() { return isIO(IO_ENABLED); }
     /** Enable or disable this shape, i.e. its visibility. */
@@ -1244,7 +1247,7 @@ public abstract class Shape {
         }
     }
     /** Returns true of this shape is active */
-    public final boolean isActive() { return isIO(IO_ACTIVE); }
+    public boolean isActive() { return isIO(IO_ACTIVE); }
 
     /**
      * Set whether this shape is interactive,