+
+ /*
+ * enable 'Superpose with' if more than one mapped structure
+ */
+ viewSelectionMenu.setEnabled(false);
+ if (getBinding().getStructureFiles().length > 1
+ && getBinding().getSequence().length > 1)
+ {
+ viewSelectionMenu.setEnabled(true);
+ }
+
+ /*
+ * Show action menu if it has any enabled items
+ */
+ viewerActionMenu.setVisible(false);
+ for (int i = 0; i < viewerActionMenu.getItemCount(); i++)