+let call_tactic_with_goal_input_in_scratch tactic scratch_window () =
+ let module L = LogicalOperations in
+ let module G = Gdome in
+ let mmlwidget = (scratch_window#mmlwidget : GMathView.math_view) in
+ let outputhtml = (scratch_window#outputhtml : GHtml.xmhtml) in
+ let savedproof = !ProofEngine.proof in
+ let savedgoal = !ProofEngine.goal in
+ match mmlwidget#get_selection with
+ Some node ->
+ let xpath =
+ ((node : Gdome.element)#getAttributeNS
+ ~namespaceURI:helmns
+ ~localName:(G.domString "xref"))#to_string
+ in
+ if xpath = "" then assert false (* "ERROR: No xref found!!!" *)
+ else
+ begin
+ try
+ match !current_scratch_infos with
+ (* term is the whole goal in the scratch_area *)
+ Some (term,ids_to_terms, ids_to_father_ids) ->
+ let id = xpath in
+ let expr = tactic term (Hashtbl.find ids_to_terms id) in
+ let mml = mml_of_cic_term expr in
+ scratch_window#show () ;
+ scratch_window#mmlwidget#load_tree ~dom:mml
+ | None -> assert false (* "ERROR: No current term!!!" *)
+ with
+ e ->
+ output_html outputhtml
+ ("<h1 color=\"red\">" ^ Printexc.to_string e ^ "</h1>")
+ end
+ | None ->
+ output_html outputhtml
+ ("<h1 color=\"red\">No term selected</h1>")
+;;
+