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open Js_of_ocaml
open Brr
module PM = Prosemirror
let storage_key = (Jstr.v "editor")
let storage = Brr_io.Storage.local G.window
let create_new_state pm mySchema content =
let module PM = Prosemirror in
let doc = PM.Model.(
DOMParser.parse
(DOMParser.from_schema pm mySchema)
(Jv.Id.of_jv content)) in
let props = PM.State.creation_prop () in
props##.doc := Js.some doc;
props##.plugins := Plugins.default pm mySchema;
PM.State.create
pm
props
let page_id
: unit -> Jstr.t option
= fun () ->
let uri = Brr.Window.location Brr.G.window in
let query = Brr.Uri.query uri in
let params = Brr.Uri.Params.of_jstr query in
Brr.Uri.Params.find (Jstr.v "page") params
(** Read the state from the local storage, or load the content from the given
element *)
let load'
: PM.t -> PM.Model.schema Js.t -> Jv.t -> Jstr.t -> PM.State.editor_state Js.t
= fun pm schema content key ->
let opt_data = Brr_io.Storage.get_item storage key in
match opt_data with
| None -> create_new_state pm schema content
| Some contents ->
(* Try to load from the storage *)
match Json.decode contents with
| Error _ -> create_new_state pm schema content
| Ok json ->
let obj = PM.State.configuration_prop () in
obj##.plugins := Plugins.default pm schema;
obj##.schema := Js.some schema;
PM.State.fromJSON pm obj json
let load
: PM.t -> PM.Model.schema Js.t -> Jv.t -> PM.State.editor_state Js.t
= fun pm schema content ->
match page_id () with
| None -> load' pm schema content storage_key
| Some value ->
let key = Jstr.concat
~sep:(Jstr.v "_")
[storage_key ; value] in
load' pm schema content key
(** Save the view *)
let save'
: PM.View.editor_view Js.t -> Jstr.t -> unit
= fun view key ->
let contents = view##.state##toJSON () in
let storage = Brr_io.Storage.local G.window in
Brr_io.Storage.set_item
storage
key
(Json.encode @@ contents)
|> Console.log_if_error ~use:()
let save
: PM.View.editor_view Js.t -> unit
= fun view ->
match page_id () with
| None -> save' view storage_key
| Some value ->
let key = Jstr.concat
~sep:(Jstr.v "_")
[storage_key ; value] in
save' view key
|