         DisplayObject(itemEditorInstance).addEventListener(KeyboardEvent.KEY_DOWN, editorKeyDownHandler);
         // we disappear on any mouse down outside the editor
         // use weak reference
-        stage.addEventListener(MouseEvent.MOUSE_DOWN, editorMouseDownHandler, true, 0, true);
+        systemManager.addEventListener(MouseEvent.MOUSE_DOWN, editorMouseDownHandler, true, 0, true);
 
     }
 

import mx.events.ScrollEventDetail;
import mx.managers.IFocusManager;
import mx.managers.IFocusManagerComponent;
import mx.styles.StyleManager;
import mx.collections.ItemWrapper;
import mx.collections.ModifiedCollectionView;

    private function itemEditorItemEditBeginHandler(event:ListEvent):void
    {
        // trace("listening for deactivate");

        // weak reference to stage or systemManager
		if (root)	// we're on the display list
    		systemManager.addEventListener(Event.DEACTIVATE, deactivateHandler, false, 0, true);

        if (!event.isDefaultPrevented() && listItems[actualRowIndex][actualColIndex].data != null)
        {
