                 lockedColumnDropIndicator.setActualSize(lockedColumnContent.width - 2, 4);
                 lockedColumnDropIndicator.visible = true;
             }
-			if (dropIndicator.parent == listContent)
-				lockedColumnContent.addChild(DisplayObject(lockedColumnDropIndicator));
-			else
-				lockedColumnAndRowContent.addChild(DisplayObject(lockedColumnDropIndicator));
+            if (dropIndicator.parent == listContent)
+                lockedColumnContent.addChild(DisplayObject(lockedColumnDropIndicator));
+            else
+                lockedColumnAndRowContent.addChild(DisplayObject(lockedColumnDropIndicator));
 
 
             lockedColumnDropIndicator.y = dropIndicator.y;

        super.invalidateDisplayList();
        if (header)
        {
			header.headerItemsChanged = true;
            header.invalidateSize();
            header.invalidateDisplayList();
        }
        if (lockedColumnHeader)
        {
			lockedColumnHeader.headerItemsChanged = true;
            lockedColumnHeader.invalidateSize();
            lockedColumnHeader.invalidateDisplayList();
        }

     *  Determines if the item renderer for a data provider item 
     *  is editable.
     *
     *  @param data The data provider item.
     *  @return <code>true</code> if the item is editable.
     */
    public function isItemEditable(data:Object):Boolean
    {
