snapshot (notably: implemented "check")

[helm.git] / helm / matita / matitaMathView.ml

diff --git a/helm/matita/matitaMathView.ml b/helm/matita/matitaMathView.ml
index 97449912d040645721489621270d0f796c1a89ec..46733bf607ccee627659a50acf19b0fe88ef3d4e 100644 (file)
--- a/helm/matita/matitaMathView.ml
+++ b/helm/matita/matitaMathView.ml
@@ -32,6 +32,8 @@
 (*                                                                         *)
 (***************************************************************************)
 
+open Printf
+
 open MatitaTypes
 
 (* List utility functions *)
@@ -99,14 +101,14 @@ class sequent_viewer obj =
           | None -> assert false (* "ERROR: No current term!!!" *)
      ) selections
   
-  method load_sequent (mml:Gdome.document) (metadata:MatitaTypes.hist_metadata)
-      sequent_no
+  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 (snd metadata)
+        List.assoc sequent_no metadata
       with Not_found -> assert false
     in
     current_infos <- Some (ids_to_terms, ids_to_father_ids, ids_to_hypotheses);
@@ -123,10 +125,10 @@ class proof_viewer obj =
   val mutable current_infos = None
   val mutable current_mml = None
 
-  method load_proof (mml:Gdome.document) (metadata:MatitaTypes.hist_metadata) =
+  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) =
-      (fst metadata)
+      metadata
     in
     current_infos <-
       Some
@@ -143,6 +145,82 @@ class proof_viewer obj =
         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 =
@@ -161,3 +239,8 @@ let proof_viewer ?hadjustment ?vadjustment ?font_size ?log_verbosity =
         ~font_size ~log_verbosity))
     []
 
+let sequents_viewer ~(notebook:GPack.notebook)
+  ~(sequent_viewer:MatitaTypes.sequent_viewer) ()
+=
+  new sequents_viewer ~notebook ~sequent_viewer ()
+