(* 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 Printf 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 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 (mml:Gdome.document) (metadata:MatitaTypes.sequents_metadata) sequent_no = let (annconjecture, ids_to_terms, ids_to_father_ids, ids_to_inner_sorts, ids_to_hypotheses) = try List.assoc sequent_no metadata with Not_found -> assert false in current_infos <- Some (ids_to_terms, ids_to_father_ids, ids_to_hypotheses); self#load_root ~root:mml#get_documentElement end class proof_viewer obj = object(self) inherit GMathViewAux.single_selection_math_view obj (* initializer self#set_log_verbosity 3 *) val mutable current_infos = None val mutable current_mml = None method load_proof (mml:Gdome.document) (metadata:MatitaTypes.proof_metadata) = let (acic, ids_to_terms, ids_to_father_ids, ids_to_inner_sorts, ids_to_inner_types, ids_to_conjectures, ids_to_hypotheses) = metadata in current_infos <- Some (ids_to_terms,ids_to_father_ids,ids_to_conjectures,ids_to_hypotheses); match current_mml with | None -> MatitaTypes.debug_print "no previous MathML"; self#load_root ~root:mml#get_documentElement ; current_mml <- Some mml | Some current_mml' -> MatitaTypes.debug_print "Previous MathML available: xmldiffing ..."; self#freeze ; XmlDiff.update_dom ~from:current_mml' mml ; self#thaw end class sequents_viewer ~(notebook:GPack.notebook) ~(sequent_viewer:MatitaTypes.sequent_viewer) () = object (self) val mutable pages = 0 val mutable switch_page_callback = None val mutable mathmls = [] val mutable metadata = None val mutable page2goal = [] (* associative list: page no -> goal no *) val mutable goal2page = [] (* the other way round *) method reset = for i = 1 to pages do notebook#remove_page 0 done; pages <- 0; mathmls <- []; metadata <- None; page2goal <- []; goal2page <- []; (match switch_page_callback with | Some id -> GtkSignal.disconnect notebook#as_widget id; switch_page_callback <- None | None -> ()) method load_sequents (metadata': MatitaTypes.sequents_metadata) = metadata <- Some metadata'; let sequents = metadata' in let sequents_no = List.length sequents in debug_print (sprintf "sequents no: %d" sequents_no); pages <- sequents_no; let widget = sequent_viewer#coerce in let page = ref 0 in List.iter (fun (metano, (asequent, _, _, ids_to_inner_sorts, _)) -> page2goal <- (!page, metano) :: page2goal; goal2page <- (metano, !page) :: goal2page; let tab_label = (GMisc.label ~text:(sprintf "?%d" metano) ~show:true ())#coerce in notebook#append_page ~tab_label widget; let mathml = lazy (let content_sequent = Cic2content.map_sequent asequent in let pres_sequent = Sequent2pres.sequent2pres ~ids_to_inner_sorts content_sequent in let xmlpres = Box.document_of_box pres_sequent in Xml2Gdome.document_of_xml Misc.domImpl xmlpres) in mathmls <- (metano, mathml) :: mathmls) sequents; mathmls <- List.rev mathmls; switch_page_callback <- (* TODO Zack the "#after" may probably be removed after Luca's fix for * widget not loading documents before being realized *) Some (notebook#connect#after#switch_page ~callback:(fun page -> debug_print "switch_page callback"; self#render_page page)) method goto_sequent goal = let page = try List.assoc goal goal2page with Not_found -> assert false in notebook#goto_page page; self#render_page page method private render_page page = let metadata = match metadata with Some metadata -> metadata | None -> assert false in let (metano, mathml) = List.nth mathmls page in sequent_viewer#load_sequent (Lazy.force mathml) metadata metano end (** constructors *) let sequent_viewer ?hadjustment ?vadjustment ?font_size ?log_verbosity = GtkBase.Widget.size_params ~cont:(OgtkMathViewProps.pack_return (fun p -> OgtkMathViewProps.set_params (new sequent_viewer (GtkMathViewProps.MathView_GMetaDOM.create p)) ~font_size ~log_verbosity)) [] let proof_viewer ?hadjustment ?vadjustment ?font_size ?log_verbosity = GtkBase.Widget.size_params ~cont:(OgtkMathViewProps.pack_return (fun p -> OgtkMathViewProps.set_params (new proof_viewer (GtkMathViewProps.MathView_GMetaDOM.create p)) ~font_size ~log_verbosity)) [] let sequents_viewer ~(notebook:GPack.notebook) ~(sequent_viewer:MatitaTypes.sequent_viewer) () = new sequents_viewer ~notebook ~sequent_viewer ()