X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2FmatitaMathView.ml;h=c9e0b217faf4e0638841b06f940a16273b38931e;hb=72d451f039c8118ab76e17546bc41426477757b9;hp=c323dbbf05fc34604d45a205122192841d364b87;hpb=015263908d9142798bcbddbe4c4d13f71e08c5c3;p=helm.git diff --git a/helm/matita/matitaMathView.ml b/helm/matita/matitaMathView.ml index c323dbbf0..c9e0b217f 100644 --- a/helm/matita/matitaMathView.ml +++ b/helm/matita/matitaMathView.ml @@ -1,4 +1,4 @@ -(* Copyright (C) 2000-2002, HELM Team. +(* Copyright (C) 2004-2005, HELM Team. * * This file is part of HELM, an Hypertextual, Electronic * Library of Mathematics, developed at the Computer Science @@ -23,141 +23,499 @@ * 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 + let rec aux = function + | [] -> [] + | he::tl -> + try + let he' = f he in + he'::(aux tl) + with Exit -> + (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!!!" *) + +(** inherit from this class if you want to access current script *) +class scriptAccessor = +object (self) + method private script = MatitaScript.instance () +end + +class clickableMathView obj = + let href = Gdome.domString "href" in + let xref = Gdome.domString "xref" in + object (self) + inherit GMathViewAux.multi_selection_math_view obj + + val mutable href_callback: (string -> unit) option = None + method set_href_callback f = href_callback <- f + + initializer + ignore (self#connect#selection_changed self#choose_selection); + ignore (self#connect#click (fun (gdome_elt, _, _, _) -> + match gdome_elt with + | Some elt (* element is an hyperlink, use href_callback on it *) + when elt#hasAttributeNS ~namespaceURI:Misc.xlink_ns ~localName:href -> + (match href_callback with + | None -> () + | Some f -> + let uri = + elt#getAttributeNS ~namespaceURI:Misc.xlink_ns ~localName:href + in + f (uri#to_string)) + | Some elt -> ignore (self#action_toggle elt) + | None -> ())) + method private choose_selection gdome_elt = + let rec aux elt = + if elt#hasAttributeNS ~namespaceURI:Misc.helm_ns ~localName:xref then + self#set_selection (Some elt) 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 + try + (match elt#get_parentNode with + | None -> assert false + | Some p -> aux (new Gdome.element_of_node p)) + with GdomeInit.DOMCastException _ -> () +(* debug_print "trying to select above the document root" *) + in + match gdome_elt with + | Some elt -> aux elt + | None -> self#set_selection None + end + +let clickableMathView ?hadjustment ?vadjustment ?font_size ?log_verbosity = + GtkBase.Widget.size_params + ~cont:(OgtkMathViewProps.pack_return (fun p -> + OgtkMathViewProps.set_params + (new clickableMathView (GtkMathViewProps.MathView_GMetaDOM.create p)) + ~font_size:None ~log_verbosity:None)) + [] + +class sequentViewer obj = + object(self) + + inherit clickableMathView obj + + val mutable current_infos = None + + method get_selected_terms = + let selections = self#get_selections in + list_map_fail + (fun node -> + let xpath = + ((node : Gdome.element)#getAttributeNS + ~namespaceURI:Misc.helm_ns + ~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,_,_) -> + (try Hashtbl.find ids_to_terms xpath with _ -> raise Exit) + | None -> assert false) (* "ERROR: No current term!!!" *) + selections + + method get_selected_hypotheses = + let selections = self#get_selections in + list_map_fail + (fun node -> + let xpath = + ((node : Gdome.element)#getAttributeNS + ~namespaceURI:Misc.helm_ns + ~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) -> + (try Hashtbl.find ids_to_hypotheses xpath with _ -> raise Exit) + | 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) + method load_sequent metasenv metano = + let sequent = CicUtil.lookup_meta metano metasenv in + let (mathml,(_,(ids_to_terms, ids_to_father_ids, ids_to_hypotheses,_))) = + ApplyTransformation.mml_of_cic_sequent metasenv sequent + in + current_infos <- Some (ids_to_terms, ids_to_father_ids, ids_to_hypotheses); +(* + debug_print "load_sequent: dumping MathML to ./prova"; + ignore (Misc.domImpl#saveDocumentToFile ~name:"./prova" ~doc:mathml ()); +*) + self#load_root ~root:mathml#get_documentElement end -;; -class proof_viewer ~(mml_of_cic_object:mml_of_cic_object) obj = - object(self) +class sequentsViewer ~(notebook:GPack.notebook) + ~(sequentViewer:sequentViewer) () += + object (self) + inherit scriptAccessor - inherit GMathViewAux.single_selection_math_view obj + val mutable pages = 0 + val mutable switch_page_callback = None + val mutable page2goal = [] (* associative list: page no -> goal no *) + val mutable goal2page = [] (* the other way round *) + val mutable goal2win = [] (* associative list: goal no -> scrolled win *) + val mutable _metasenv = [] + val mutable scrolledWin: GBin.scrolled_window option = None + (* scrolled window to which the sequentViewer is currently attached *) - val mutable current_infos = None - val mutable current_mml = None + method private tab_label metano = + (GMisc.label ~text:(sprintf "?%d" metano) ~show:true ())#coerce + + method reset = + (match scrolledWin with + | Some w -> + (* removing page from the notebook will destroy all contained widget, + * we do not want the sequentViewer to be destroyed as well *) + w#remove sequentViewer#coerce; + scrolledWin <- None + | None -> ()); + for i = 1 to pages do notebook#remove_page 0 done; + pages <- 0; + page2goal <- []; + goal2page <- []; + goal2win <- []; + _metasenv <- []; + self#script#setGoal ~-1; + (match switch_page_callback with + | Some id -> + GtkSignal.disconnect notebook#as_widget id; + switch_page_callback <- None + | None -> ()) + + method load_sequents (status: ProofEngineTypes.status) = + let ((_, metasenv, _, _), goal) = status in + let sequents_no = List.length metasenv in + _metasenv <- metasenv; + pages <- sequents_no; + self#script#setGoal goal; + let win metano = + let w = + GBin.scrolled_window ~hpolicy:`AUTOMATIC ~vpolicy:`AUTOMATIC + ~shadow_type:`IN ~show:true () + in + let reparent () = + scrolledWin <- Some w; + match sequentViewer#misc#parent with + | None -> w#add sequentViewer#coerce + | Some _ -> sequentViewer#misc#reparent w#coerce + in + goal2win <- (metano, reparent) :: goal2win; + w#coerce + in + let page = ref 0 in + List.iter + (fun (metano, _, _) -> + page2goal <- (!page, metano) :: page2goal; + goal2page <- (metano, !page) :: goal2page; + incr page; + notebook#append_page ~tab_label:(self#tab_label metano) (win metano)) + metasenv; + switch_page_callback <- + Some (notebook#connect#switch_page ~callback:(fun page -> + let goal = + try + List.assoc page page2goal + with Not_found -> assert false + in + self#script#setGoal goal; + self#render_page ~page ~goal)) + + method private render_page ~page ~goal = + sequentViewer#load_sequent _metasenv goal; + try + List.assoc goal goal2win (); + sequentViewer#set_selection None + with Not_found -> assert false + + 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 goal - 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 [] +type 'widget constructor = + ?hadjustment:GData.adjustment -> + ?vadjustment:GData.adjustment -> + ?font_size:int -> + ?log_verbosity:int -> + ?width:int -> + ?height:int -> + ?packing:(GObj.widget -> unit) -> + ?show:bool -> + unit -> + 'widget -let proof_viewer ~(mml_of_cic_object: mml_of_cic_object) = +let sequentViewer ?hadjustment ?vadjustment ?font_size ?log_verbosity = 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 [] + (new sequentViewer (GtkMathViewProps.MathView_GMetaDOM.create p)) + ~font_size ~log_verbosity)) + [] + +let blank_uri = BuildTimeConf.blank_uri +let current_proof_uri = BuildTimeConf.current_proof_uri + +type term_source = + [ `Ast of DisambiguateTypes.term + | `Cic of Cic.term * Cic.metasenv + | `String of string + ] + +exception Browser_failure of string + +let cicBrowsers = ref [] +class type cicBrowser = +object + method loadUri: string -> unit + method loadTerm: term_source -> unit +end + +class cicBrowser_impl ~(history:string MatitaMisc.history) () = + let term_RE = Pcre.regexp "^term:(.*)" in + let trailing_slash_RE = Pcre.regexp "/$" in + let gui = MatitaGui.instance () in + let win = gui#newBrowserWin () in + let toplevel = win#toplevel in + let mathView = sequentViewer ~packing:win#scrolledBrowser#add () in + let fail msg = + ignore (MatitaGtkMisc.ask_confirmation ~gui:(MatitaGui.instance ()) + ~title:"Cic browser" ~msg ~cancel:false ()); + in + let handle_error f = + try + f () + with exn -> + fail (sprintf "Uncaught exception:\n%s" (Printexc.to_string exn)) + in + let handle_error' f = fun () -> handle_error f in (* used in callbacks *) + object (self) + inherit scriptAccessor + + initializer + ignore (win#browserUri#connect#activate (handle_error' (fun () -> + self#_loadUri win#browserUri#text))); + ignore (win#browserHomeButton#connect#clicked (handle_error' (fun () -> + self#_loadUri current_proof_uri))); + ignore (win#browserRefreshButton#connect#clicked + (handle_error' self#refresh)); + ignore (win#browserBackButton#connect#clicked (handle_error' self#back)); + ignore (win#browserForwardButton#connect#clicked + (handle_error' self#forward)); + ignore (win#toplevel#event#connect#delete (fun _ -> + let my_id = Oo.id self in + cicBrowsers := List.filter (fun b -> Oo.id b <> my_id) !cicBrowsers; + if !cicBrowsers = [] && + Helm_registry.get "matita.mode" = "cicbrowser" + then + GMain.quit (); + false)); + mathView#set_href_callback (Some (fun uri -> + handle_error (fun () -> self#_loadUri uri))); + self#_loadUri ~add_to_history:false blank_uri; + toplevel#show (); + + val mutable current_uri = "" + val mutable current_infos = None + val mutable current_mathml = None + + method private back () = + try + self#_loadUri ~add_to_history:false history#previous + with MatitaMisc.History_failure -> () + + method private forward () = + try + self#_loadUri ~add_to_history:false history#next + with MatitaMisc.History_failure -> () + + (* loads a uri which can be a cic uri or an about:* uri + * @param uri string *) + method private _loadUri ?(add_to_history = true) uri = + try + if current_uri <> uri || uri = current_proof_uri then begin + (match uri with + | uri when uri = blank_uri -> self#blank () + | uri when uri = current_proof_uri -> self#home () + | uri when Pcre.pmatch ~rex:term_RE uri -> + self#loadTerm (`String (Pcre.extract ~rex:term_RE uri).(1)) + | uri when Pcre.pmatch ~rex:trailing_slash_RE uri -> self#loadDir uri + | _ -> self#loadUriManagerUri (UriManager.uri_of_string uri)); + self#setUri uri; + if add_to_history then history#add uri + end + with + | UriManager.IllFormedUri _ -> fail (sprintf "invalid uri: %s" uri) + | CicEnvironment.Object_not_found _ -> + fail (sprintf "object not found: %s" uri) + | Browser_failure msg -> fail msg + + method loadUri uri = + handle_error (fun () -> self#_loadUri ~add_to_history:true uri) + + method private blank () = + mathView#load_root (MatitaMisc.empty_mathml ())#get_documentElement + + method private home () = + match self#script#status.proof_status with + | Proof (uri, metasenv, bo, ty) -> + let name = UriManager.name_of_uri (MatitaMisc.unopt uri) in + let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], []) in + self#loadObj obj + | Incomplete_proof ((uri, metasenv, bo, ty), _) -> + let name = UriManager.name_of_uri (MatitaMisc.unopt uri) in + let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], []) in + self#loadObj obj + | _ -> self#blank () + + (** loads a cic uri from the environment + * @param uri UriManager.uri *) + method private loadUriManagerUri uri = + let uri = UriManager.strip_xpointer uri in + let (obj, _) = CicEnvironment.get_obj CicUniv.empty_ugraph uri in + self#loadObj obj + + method private loadDir dir = + let mathml = MatitaMisc.empty_boxml () in + let content = Http_getter.ls dir in + let root = mathml#get_documentElement in + let new_box_elt name = + mathml#createElementNS ~namespaceURI:(Some Misc.boxml_ns) + ~qualifiedName:(Gdome.domString ("b:" ^ name)) + in + let new_text content = mathml#createTextNode (Gdome.domString content) in + let b_v = new_box_elt "v" in + List.iter + (fun item -> + let b_text = new_box_elt "text" in + let uri, elt = + match item with + | Http_getter_types.Ls_section subdir -> + (dir ^ subdir ^ "/"), (new_text (subdir ^ "/")) + | Http_getter_types.Ls_object obj -> + (dir ^ obj.Http_getter_types.uri), + (new_text obj.Http_getter_types.uri) + in + b_text#setAttributeNS ~namespaceURI:(Some Misc.xlink_ns) + ~qualifiedName:(Gdome.domString "xlink:href") + ~value:(Gdome.domString uri); + ignore (b_v#appendChild ~newChild:(b_text :> Gdome.node)); + ignore (b_text#appendChild ~newChild:(elt :> Gdome.node))) + content; + ignore (root#appendChild ~newChild:(b_v :> Gdome.node)); +(* Misc.domImpl#saveDocumentToFile ~doc:mathml ~name:"pippo" (); *) + mathView#load_root ~root:root + + method private setUri uri = + win#browserUri#set_text uri; + current_uri <- uri + + method private loadObj obj = + let use_diff = false in (* ZACK TODO use XmlDiff when re-rendering? *) + let (mathml, (_,(ids_to_terms, ids_to_father_ids, ids_to_conjectures, + ids_to_hypotheses,_,_))) = + ApplyTransformation.mml_of_cic_object obj + in + current_infos <- Some (ids_to_terms, ids_to_father_ids, + ids_to_conjectures, ids_to_hypotheses); + match current_mathml with + | Some current_mathml when use_diff -> + mathView#freeze; + XmlDiff.update_dom ~from:current_mathml mathml; + mathView#thaw + | _ -> + mathView#load_root ~root:mathml#get_documentElement; + current_mathml <- Some mathml + + method private _loadTerm s = failwith "not implemented _loadTerm" +(* TODO self#_loadTermAst (disambiguator#parserr#parseTerm (Stream.of_string s)) *) + + method private _loadTermAst ast = failwith "not implemented _loadTermAst" +(* TODO + let (_, metasenv, term, _) = + MatitaCicMisc.disambiguate ~disambiguator ~currentProof ast + in + self#_loadTermCic term metasenv +*) + + method private _loadTermCic term metasenv = + let context = self#script#proofContext in + let dummyno = CicMkImplicit.new_meta metasenv [] in + let sequent = (dummyno, context, term) in + mathView#load_sequent (sequent :: metasenv) dummyno + + method loadTerm (src:term_source) = + handle_error (fun () -> + (match src with + | `Ast ast -> self#_loadTermAst ast + | `Cic (cic, metasenv) -> self#_loadTermCic cic metasenv + | `String s -> self#_loadTerm s); + self#setUri "check") + + (** {2 methods used by constructor only} *) + + method win = win + method history = history + method currentUri = current_uri + method refresh () = + if current_uri = current_proof_uri then + self#_loadUri ~add_to_history:false current_proof_uri + + end + +let sequentsViewer ~(notebook:GPack.notebook) + ~(sequentViewer:sequentViewer) () += + new sequentsViewer ~notebook ~sequentViewer () + +let cicBrowser () = + let size = BuildTimeConf.browser_history_size in + let rec aux history = + let browser = new cicBrowser_impl ~history () in + let win = browser#win in + ignore (win#browserNewButton#connect#clicked (fun () -> + let history = + new MatitaMisc.browser_history ~memento:history#save size "" + in + let newBrowser = aux history in + newBrowser#loadUri browser#currentUri)); +(* + (* attempt (failed) to close windows on CTRL-W ... *) + MatitaGtkMisc.connect_key win#browserWinEventBox#event ~modifiers:[`CONTROL] + GdkKeysyms._W (fun () -> win#toplevel#destroy ()); +*) + cicBrowsers := browser :: !cicBrowsers; + (browser :> cicBrowser) + in + let history = new MatitaMisc.browser_history size blank_uri in + aux history + +let refresh_all_browsers () = List.iter (fun b -> b#refresh ()) !cicBrowsers + +let default_sequentViewer () = sequentViewer ~show:true () +let sequentViewer_instance = MatitaMisc.singleton default_sequentViewer + +let default_sequentsViewer () = + let gui = MatitaGui.instance () in + let sequentViewer = sequentViewer_instance () in + sequentsViewer ~notebook:gui#main#sequentsNotebook ~sequentViewer () +let sequentsViewer_instance = MatitaMisc.singleton default_sequentsViewer + + +let mathViewer () = + object + method show_term t = (cicBrowser ()) # loadTerm t + end