src/Tools/WWW_Find/find_theorems.ML

 *)
 
 local
 
 val default_limit = 20;
-val thy_names = sort string_ord (Thy_Info.get_names ());
-
-val find_theorems_url = "find_theorems";
-
-fun is_sorry thm =
-  Thm.proof_of thm
-  |> Proofterm.approximate_proof_body
-  |> Proofterm.all_oracles_of
-  |> exists (fn (x, _) => x = "Pure.skip_proof");
-
-local open Xhtml in
-fun find_theorems_form thy_name (query, limit, withdups) =
-  let
-    val query_input =
-      input (id "query", {
-        name = "query",
-        itype = TextInput { value = query, maxlength = NONE }});
-
-    val max_results = divele noid
-      [
-        label (noid, { for = "limit" }, "Max. results:"),
-        input (id "limit",
-          { name = "limit",
-            itype = TextInput { value = SOME (string_of_int limit),
-                                maxlength = NONE }})
-      ];
-
-    val theories = divele noid
-      [
-        label (noid, { for = "theory" }, "Search in:"),
-        select (id "theory", { name = "theory", value = SOME thy_name })
-               thy_names
-      ];
-
-    val with_dups = divele noid
-      [
-        label (noid, { for = "withdups" }, "Allow duplicates:"),
-        input (id "withdups",
-          { name = "withdups",
-            itype = Checkbox { checked = withdups, value = SOME "true" }})
-      ];
-
-    val help = divele (class "help")
-      [ a { href="/pasting_help.html", text="(pasting from proof general)" } ];
-  in
-    form (id "findtheorems", { method = "post", action = "/isabelle/find_theorems" })
-      [tag "fieldset" []
-        [tag "legend" [] [text "find_theorems"],
-         (add_script (OnKeyPress, "encodequery(this)")
-          o add_script (OnChange, "encodequery(this)")
-          o add_script (OnMouseUp, "encodequery(this)")) query_input,
-         divele (class "settings") [ max_results, theories, with_dups, help ],
-         divele (class "mainbuttons")
-           [ reset_button (id "reset"), submit_button (id "submit") ]
-        ]
-      ]
-  end;
-
-fun html_header thy_name args =
-  html { lang = "en" } [
-    head { title = "Find Theorems: results", stylesheet_href = "/basic.css" }
-         [script (noid, { script_type="text/javascript",
-                          src="/find_theorems.js" })],
-    add_script (OnLoad, "encodequery(document.getElementById('query'))")
-      (body noid [
-          h (noid, 1, "Theory " ^ thy_name),
-          find_theorems_form thy_name args,
-          divele noid []
-         ])
-  ];
-
-fun html_error msg = p ((class "error"), msg);
-
-val find_theorems_table =
-  table (class "findtheorems")
-    [
-      thead noid [tr [th (noid, "name"), th (noid, "theorem")]],
-      tbody noid []
-    ];
-
-fun show_criterion (b, c) =
-  let
-    fun prfx s = let
-        val (c, v) = if b then ("criterion", s) else ("ncriterion", "-" ^ s);
-      in span (class c, v) end;
-  in
-    (case c of
-      Find_Theorems.Name name => prfx ("name: " ^ quote name)
-    | Find_Theorems.Intro => prfx "intro"
-    | Find_Theorems.IntroIff => prfx "introiff"
-    | Find_Theorems.Elim => prfx "elim"
-    | Find_Theorems.Dest => prfx "dest"
-    | Find_Theorems.Solves => prfx "solves"
-    | Find_Theorems.Simp pat => prfx ("simp: \"" ^ pat ^ "\"")
-    | Find_Theorems.Pattern pat => prfx ("\"" ^ pat ^ "\""))
-  end;
-
-fun find_theorems_summary (othmslen, thmslen, args) =
-  let
-    val args =
-      (case othmslen of
-         NONE => args
-       | SOME l => Symtab.update ("limit", string_of_int l) args)
-    val qargs = HttpUtil.make_query_string args;
-
-    val num_found_text =
-      (case othmslen of
-         NONE => text (string_of_int thmslen)
-       | SOME l =>
-           a { href = find_theorems_url ^
-               (if qargs = "" then "" else "?" ^ qargs),
-           text = string_of_int l })
-    val found = [text "found ", num_found_text, text " theorems"] : tag list;
-    val displayed =
-      if is_some othmslen
-      then " (" ^ string_of_int thmslen ^ " displayed)"
-      else "";
-  in
-    table (class "findtheoremsquery")
-      [ tr [ th' noid (found @ [text (displayed ^ ":")]) ] ]
-  end
-
-fun sorry_class thm = if is_sorry thm then class "sorried" else noid;
-
-fun html_thm ctxt (n, (thmref, thm)) =
-  let
-    val output_thm =
-      Output.output o Pretty.string_of_margin 100 o
-        Display.pretty_thm (Config.put show_question_marks false ctxt);
-  in
-    tag' "tr" (class ("row" ^ string_of_int (n mod 2)))
-      [
-        tag' "td" (class "name")
-          [span' (sorry_class thm)
-             [raw_text (Facts.string_of_ref thmref)]
-          ],
-        tag' "td" (class "thm") [pre noid (output_thm thm)]
-      ]
-  end;
-
-end;
+val all_thy_names = sort string_ord (Thy_Info.get_names ());
 
 fun app_index f xs = fold_index (fn x => K (f x)) xs ();
 
 fun parse_request (ScgiReq.Req {request_method, query_string, ...}, content, send) =
   (case request_method of

         val (othmslen, thms) =
           Find_Theorems.find_theorems_cmd ctxt NONE (SOME limit) with_dups query
           ||> rev;
       in
         Xhtml.write send
-          (find_theorems_summary (othmslen, length thms, arg_data));
+          (HTML_Templates.find_theorems_summary (othmslen, length thms, arg_data));
         if null thms then ()
-        else Xhtml.write_enclosed send find_theorems_table (fn send =>
-               HTML_Unicode.print_mode (app_index (Xhtml.write send o html_thm ctxt)) thms)
+        else Xhtml.write_enclosed send HTML_Templates.find_theorems_table (fn send =>
+               HTML_Unicode.print_mode (app_index (Xhtml.write send o HTML_Templates.html_thm ctxt)) thms)
       end;
   in
     send Xhtml.doctype_xhtml1_0_strict;
     Xhtml.write_enclosed send
-      (html_header thy_name (args "query", limit, with_dups))
+      (HTML_Templates.header thy_name (args "query", limit, with_dups, all_thy_names))
       (fn send => 
         if query_str = "" then ()
         else
           do_find (get_query ())
-          handle ERROR msg => Xhtml.write send (html_error msg))
+          handle ERROR msg => Xhtml.write send (HTML_Templates.error msg))
   end;
 in
 
 val () = Printer.show_question_marks_default := false;
-val () = ScgiServer.register (find_theorems_url, SOME Mime.html, find_theorems o parse_request);
+val () = ScgiServer.register ("find_theorems", SOME Mime.html, find_theorems o parse_request);
 
 end;