+(* Copyright (C) 2000-2002, HELM Team.
+ *
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ *
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * For details, see the HELM World-Wide-Web page,
+ * http://cs.unibo.it/helm/.
+ *)
+
+(***************************************************************************)
+(* *)
+(* PROJECT HELM *)
+(* *)
+(* 29/01/2003 Claudio Sacerdoti Coen *)
+(* *)
+(* *)
+(***************************************************************************)
+
+open MatitaTypes
+
+(* List utility functions *)
+exception Skip;;
+
+let list_map_fail f =
+ let rec aux =
+ function
+ [] -> []
+ | he::tl ->
+ try
+ let he' = f he in
+ he'::(aux tl)
+ with Skip ->
+ (aux tl)
+ in
+ aux
+;;
+(* End of the list utility functions *)
+
+class sequent_viewer ~(mml_of_cic_sequent:mml_of_cic_sequent) obj =
+ object(self)
+
+ inherit GMathViewAux.multi_selection_math_view obj
+
+ val mutable current_infos = None
+
+ method get_selected_terms =
+ let selections = self#get_selections in
+ list_map_fail
+ (function node ->
+ let xpath =
+ ((node : Gdome.element)#getAttributeNS
+ ~namespaceURI:Misc.helmns
+ ~localName:(Gdome.domString "xref"))#to_string
+ in
+ if xpath = "" then assert false (* "ERROR: No xref found!!!" *)
+ else
+ match current_infos with
+ Some (ids_to_terms,_,_) ->
+ let id = xpath in
+ (try
+ Hashtbl.find ids_to_terms id
+ with _ -> raise Skip)
+ | None -> assert false (* "ERROR: No current term!!!" *)
+ ) selections
+
+ method get_selected_hypotheses =
+ let selections = self#get_selections in
+ list_map_fail
+ (function node ->
+ let xpath =
+ ((node : Gdome.element)#getAttributeNS
+ ~namespaceURI:Misc.helmns
+ ~localName:(Gdome.domString "xref"))#to_string
+ in
+ if xpath = "" then assert false (* "ERROR: No xref found!!!" *)
+ else
+ match current_infos with
+ Some (_,_,ids_to_hypotheses) ->
+ let id = xpath in
+ (try
+ Hashtbl.find ids_to_hypotheses id
+ with _ -> raise Skip)
+ | None -> assert false (* "ERROR: No current term!!!" *)
+ ) selections
+
+ method load_sequent metasenv sequent =
+ let sequent_mml,(ids_to_terms,ids_to_father_ids,ids_to_hypotheses) =
+ mml_of_cic_sequent metasenv sequent
+ in
+ self#load_root ~root:sequent_mml#get_documentElement ;
+ current_infos <-
+ Some (ids_to_terms,ids_to_father_ids,ids_to_hypotheses)
+ end
+;;
+
+class proof_viewer ~(mml_of_cic_object:mml_of_cic_object) obj =
+ object(self)
+
+ inherit GMathViewAux.single_selection_math_view obj
+
+ val mutable current_infos = None
+ val mutable current_mml = None
+
+ method load_proof uri currentproof =
+ let
+ (acic,ids_to_terms,ids_to_father_ids,ids_to_inner_sorts,
+ ids_to_inner_types,ids_to_conjectures,ids_to_hypotheses)
+ = Cic2acic.acic_object_of_cic_object currentproof
+ in
+ let mml =
+ mml_of_cic_object
+ ~explode_all:true uri acic ids_to_inner_sorts ids_to_inner_types
+ in
+ current_infos <-
+ Some
+ (ids_to_terms,ids_to_father_ids,ids_to_conjectures,ids_to_hypotheses);
+ (match current_mml with
+ None ->
+ self#load_root ~root:mml#get_documentElement ;
+ current_mml <- Some mml
+ | Some current_mml' ->
+ self#freeze ;
+ XmlDiff.update_dom ~from:current_mml' mml ;
+ self#thaw);
+ (acic, ids_to_inner_types, ids_to_inner_sorts)
+ end
+
+ (** constructors *)
+
+let sequent_viewer ~(mml_of_cic_sequent: mml_of_cic_sequent) =
+ GtkBase.Widget.size_params
+ ~cont:(OgtkMathViewProps.pack_return (fun p ->
+ OgtkMathViewProps.set_params
+ (new sequent_viewer ~mml_of_cic_sequent
+ (GtkMathViewProps.MathView_GMetaDOM.create p))
+ ?font_size:None ?log_verbosity:None))
+ ?width:None ?height:None []
+
+let proof_viewer ~(mml_of_cic_object: mml_of_cic_object) =
+ GtkBase.Widget.size_params
+ ~cont:(OgtkMathViewProps.pack_return (fun p ->
+ OgtkMathViewProps.set_params
+ (new proof_viewer ~mml_of_cic_object
+ (GtkMathViewProps.MathView_GMetaDOM.create p))
+ ?font_size:None ?log_verbosity:None))
+ ?width:None ?height:None []
+