add js_newthread.ml; make newthread_page beautiful

2022-01-17 23:59:50 +01:00 · 2022-01-17 23:59:50 +01:00 · 8facf4636c
commit 8facf4636c
parent 3b8e1c26d6
4 changed files with 144 additions and 4 deletions
--- a/src/js_newthread.ml
+++ b/src/js_newthread.ml
@ -0,0 +1,107 @@
+let log = Format.printf
+
+module Leaflet = struct
+  (* get the leaflet object *)
+  let leaflet =
+    match Jv.(find global "L") with
+    | Some l -> l
+    | None -> failwith "can't load leaflet"
+
+  (* get popup object *)
+  let popup = Jv.call leaflet "popup" [||]
+
+  (* create a map *)
+  let map =
+    log "creating map@.";
+    let open Brr in
+    let _container = El.div ~at:At.[ id (Jstr.v "map") ] [] in
+    Jv.call leaflet "map" [| Jv.of_string "map" |]
+
+  (* create map's pos *)
+  let lat_lng =
+    log "making latlng@.";
+    Jv.call leaflet "latLng" [| Jv.of_float 51.505; Jv.of_float (-0.09) |]
+
+  (* set map's pos *)
+  let () =
+    log "setting view@.";
+    let _m : Jv.t = Jv.call map "setView" [| lat_lng; Jv.of_int 13 |] in
+    ()
+
+  (* create map tile layer *)
+  let tile_layer =
+    log "creating tile layer@.";
+    Jv.call leaflet "tileLayer"
+      [| Jv.of_string "https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
+       ; Jv.obj
+           [| ( "attribution"
+              , Jv.of_string
+                  {|&copy; <a href="https://.www.openstreetmap.org/copyright">OpenStreetMap</a> contributors|}
+              )
+           |]
+      |]
+
+  (* add tile layer *)
+  let () =
+    log "adding tile layer@.";
+    let _map : Jv.t = Jv.call tile_layer "addTo" [| map |] in
+    ()
+end
+
+module Marker = struct
+  let board =
+    let board_div = Jv.get Jv.global "board" in
+    Jv.to_string
+      (Jv.call board_div "getAttribute" [| Jv.of_string "data-board" |])
+
+  let handle_geojson geojson =
+    log "handle_geojson@.";
+    log "feed geojson to leaflet@.";
+    let layer = Jv.call Leaflet.leaflet "geoJSON" [| geojson |] in
+    let _marker_layer = Jv.call layer "addTo" [| Leaflet.map |] in
+    ()
+
+  let markers_handle_response response =
+    log "markers_handle_response@.";
+    let geo_json_list_futur = Jv.call response "json" [||] in
+    ignore @@ Jv.call geo_json_list_futur "then" [| Jv.repr handle_geojson |];
+    ()
+
+  let () =
+    log "fetch thread geojson@.";
+    let window = Jv.get Jv.global "window" in
+    let link = Jv.of_string (Format.sprintf "/%s/markers" board) in
+    let fetchfutur = Jv.call window "fetch" [| link |] in
+    ignore @@ Jv.call fetchfutur "then" [| Jv.repr markers_handle_response |];
+    ()
+end
+
+let on_click e =
+  log "on_click@.";
+
+  let lat_lng = Jv.get e "latlng" in
+  ignore @@ Jv.call Leaflet.popup "setLatLng" [| lat_lng |];
+  ignore @@ Jv.call Leaflet.popup "setContent" [| Jv.of_string "euujjj" |];
+  ignore @@ Jv.call Leaflet.popup "openOn" [| Leaflet.map |];
+
+  let lat = Jv.get lat_lng "lat" in
+  let lng = Jv.get lat_lng "lng" in
+  let lat_input = Jv.get Jv.global "lat_input" in
+  let lng_input = Jv.get Jv.global "lng_input" in
+  ignore @@ Jv.call lat_input "setAttribute" [| Jv.of_string "value"; lat |];
+  ignore @@ Jv.call lng_input "setAttribute" [| Jv.of_string "value"; lng |];
+
+  let form_div = Jv.get Jv.global "newthread-form" in
+  ignore
+  @@ Jv.call form_div "setAttribute"
+       [| Jv.of_string "style"; Jv.of_string "visibility:visible" |];
+  let board_div = Jv.get Jv.global "board" in
+  ignore
+  @@ Jv.call board_div "setAttribute"
+       [| Jv.of_string "style"; Jv.of_string "visibility:hidden" |];
+  ()
+
+(*add on_click callback to map*)
+let () =
+  ignore
+  @@ Jv.call Leaflet.map "on" [| Jv.of_string "click"; Jv.repr on_click |]