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module Grep = Grep
module Common = Common
module Todos = Todos
module Headlines = Headlines
let start (tag : string) () =
(* This is a rather funky state management that isn't maybe entirely functional.
What we do is store a function for each view that restores it's state. Since the render function is
void -> void
This allows us to remember the state of the view and restore it as we travel between different views.
It does create a rather funky, cyclical state though.
*)
if String.equal String.empty (String.trim Grep.execution_directory)
then
print_endline
"Execution directory is not set. You will need to set environment variable \
STITCH_DIRECTORY to the absolute path of your notes. For example: \
STITCH_DIRECTORY='/home/you/notes'."
else (
let term = Common.Term.create () in
let restore_headline_state = ref (fun () -> ()) in
let restore_done_state = ref (fun () -> ()) in
let restore_todo_state = ref (fun () -> ()) in
(* DONE *)
let goto_todo_from_done new_done_state =
restore_done_state := new_done_state;
!restore_todo_state ()
in
let goto_headlines_from_done new_done_state =
restore_done_state := new_done_state;
!restore_headline_state ()
in
(restore_done_state
:= fun () ->
let done_state =
Done.init
~goto_headlines:goto_headlines_from_done
~goto_todo:goto_todo_from_done
in
Done.render term done_state);
(* TODO *)
let goto_done_from_todo new_todo_state =
restore_todo_state := new_todo_state;
!restore_done_state ()
in
let goto_headline_from_todo new_todo_state =
restore_todo_state := new_todo_state;
!restore_headline_state ()
in
(restore_todo_state
:= fun () ->
let todo =
Todos.init
~goto_headlines:goto_headline_from_todo
~goto_done:goto_done_from_todo
in
Todos.render term todo);
let headline =
Headlines.init
~goto_done_view:(fun new_state ->
restore_headline_state := new_state;
!restore_done_state ())
~goto_todos_view:(fun new_state ->
restore_headline_state := new_state;
!restore_todo_state ())
~regexp:tag
in
Headlines.render term headline)
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