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authorSébastien Dailly <sebastien@dailly.me>2022-02-07 15:38:37 +0100
committerSébastien Dailly <sebastien@dailly.me>2022-02-07 16:01:12 +0100
commit77544bdfad2af41514ec1435f706fee87ea2969e (patch)
tree4de23870e08711da25ff92e9670370fc0a74e459 /lib/elements
parentad526111f0dd619ae9e0e98ef2253146b58a068f (diff)
Added viz.js code
Diffstat (limited to 'lib/elements')
-rwxr-xr-xlib/elements/dune9
-rwxr-xr-xlib/elements/input.ml23
-rwxr-xr-xlib/elements/prop.ml20
-rwxr-xr-xlib/elements/timer.ml38
-rwxr-xr-xlib/elements/timer.mli11
-rwxr-xr-xlib/elements/transfert.ml22
6 files changed, 123 insertions, 0 deletions
diff --git a/lib/elements/dune b/lib/elements/dune
new file mode 100755
index 0000000..97d0753
--- /dev/null
+++ b/lib/elements/dune
@@ -0,0 +1,9 @@
+(library
+ (name elements)
+ (libraries
+ brr
+ brr.note
+ js_of_ocaml
+ )
+ (preprocess (pps ppx_hash js_of_ocaml-ppx))
+)
diff --git a/lib/elements/input.ml b/lib/elements/input.ml
new file mode 100755
index 0000000..6ae9aa8
--- /dev/null
+++ b/lib/elements/input.ml
@@ -0,0 +1,23 @@
+open Brr
+open Brr_note
+open Note
+
+(** Create a slider element, and a signal with the value *)
+let slider
+ : at:Brr.At.t list -> Brr.El.t * float S.t
+
+ = fun ~at ->
+ let slider =
+ El.input ~at () in
+
+ let init_value = (Jstr.to_float (El.prop El.Prop.value slider)) in
+
+ let event =
+ Evr.on_el
+ Ev.input (fun _ ->
+ let raw_value = El.prop El.Prop.value slider in
+ Jstr.to_float raw_value)
+ slider
+ |> S.hold init_value
+ in
+ slider, event
diff --git a/lib/elements/prop.ml b/lib/elements/prop.ml
new file mode 100755
index 0000000..054864c
--- /dev/null
+++ b/lib/elements/prop.ml
@@ -0,0 +1,20 @@
+open Brr
+
+include El.Prop
+
+let offsetWidth
+ : int t
+ = El.Prop.int (Jstr.v "offsetWidth")
+
+let offsetHeight
+ : int t
+ = El.Prop.int (Jstr.v "offsetHeight")
+
+let outerHTML
+ : Jstr.t t
+ = El.Prop.jstr (Jstr.v "outerHTML")
+
+
+let value
+ : Jstr.t t
+ = El.Prop.jstr (Jstr.v "value")
diff --git a/lib/elements/timer.ml b/lib/elements/timer.ml
new file mode 100755
index 0000000..28516fc
--- /dev/null
+++ b/lib/elements/timer.ml
@@ -0,0 +1,38 @@
+open Brr_note_kit
+
+type t =
+ { mutable id : Brr.G.timer_id
+ ; send : float Note.E.send
+ ; mutable counter : Time.counter
+ }
+
+let create
+ : unit -> (t * Brr_note_kit.Time.span Note.E.t)
+ = fun () ->
+ let event, send = Note.E.create ()
+ and counter = (Time.counter ()) in
+ {id = (-1); send; counter}, event
+
+let stop
+ : t -> unit
+ = fun {id; _} ->
+ Brr.G.stop_timer id
+
+let start
+ : t -> float -> unit
+ = fun t d ->
+ let {id; send; _} = t in
+ t.counter <- Time.counter ();
+
+ Brr.G.stop_timer id;
+ let timer_id = Brr.G.set_interval
+ ~ms:(int_of_float @@ d *. 1000.)
+ (fun () ->
+
+ let span = Time.counter_value t.counter in
+ send span) in
+ t.id <- timer_id
+
+
+let delay : t -> float
+ = fun t -> Time.counter_value t.counter
diff --git a/lib/elements/timer.mli b/lib/elements/timer.mli
new file mode 100755
index 0000000..0509ad0
--- /dev/null
+++ b/lib/elements/timer.mli
@@ -0,0 +1,11 @@
+open Brr_note_kit
+
+type t
+
+val create : unit -> t * Time.span Note.E.t
+
+val start: t -> float -> unit
+
+val stop: t -> unit
+
+val delay : t -> float
diff --git a/lib/elements/transfert.ml b/lib/elements/transfert.ml
new file mode 100755
index 0000000..ddeecd0
--- /dev/null
+++ b/lib/elements/transfert.ml
@@ -0,0 +1,22 @@
+open Js_of_ocaml
+open Brr
+
+let send
+ : mime_type:Jstr.t -> filename:Jstr.t -> Jstr.t -> unit
+ = fun ~mime_type ~filename content ->
+ let btoa = Jv.get Jv.global "btoa" in
+ let base64data = Jv.apply btoa
+ [| Jv.of_jstr content |] in
+
+ let mime = (Jv.Id.(of_jv @@ to_jv mime_type))
+ and base64 = (Jv.Id.(of_jv @@ to_jv base64data))
+ in
+
+ let data = (Js.string "data:")##concat_3 mime (Js.string ";base64,") base64 in
+
+ (* Create the link to download the the element, and simulate a click on it *)
+ let a = El.a
+ ~at:At.[ href Jv.Id.(of_jv @@ to_jv data)
+ ; v (Jstr.v "download") filename ]
+ [] in
+ El.click a