diff options
Diffstat (limited to 'picarones-elm/src/Main.elm')
-rw-r--r-- | picarones-elm/src/Main.elm | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/picarones-elm/src/Main.elm b/picarones-elm/src/Main.elm index 5066ad6..56cf48f 100644 --- a/picarones-elm/src/Main.elm +++ b/picarones-elm/src/Main.elm @@ -6,6 +6,7 @@ import Html.Attributes exposing (style, class, value, placeholder, src) import Html.Events exposing (onInput, onClick) import Html.Lazy exposing (lazy) import List exposing (foldr) +import Url.Parser exposing (Parser, (</>), string, fragment) import Protocol exposing (decodeState, encodeState) import Json.Decode as D @@ -27,14 +28,15 @@ port recvPort : (String -> msg) -> Sub msg port sendPort : String -> Cmd msg + {- STATE AND STATE TRANSITIONS -} -- the main client state -type alias Model = { slide : Int, max : Int } +type alias Model = { slide : Int, max : Int, prefix : String } -- start at the first slide, for now just assume that we have ten slides -init : () -> (Model, Cmd Msg) -init f = ( { slide = 0, max = 10 }, Cmd.none) +init : (String, Int) -> (Model, Cmd Msg) +init (url, max) = ( { slide = 0, max = max, prefix = url ++ "/"}, Cmd.none) -- possible state transitions: type Msg = GotMessage String @@ -66,7 +68,7 @@ updateSlide f model = -- our body consists of a slide container and a couple controls body : Model -> Html Msg body model = div [] - [ div [class "slides"] (slideView model.slide model.max) + [ div [class "slides"] (slideView model.slide model.max model.prefix) , div [class "controls"] [ button [ onClick PrevSlide ] [ text "←" ] , text (String.fromInt (model.slide+1)) @@ -74,12 +76,14 @@ body model = div [] ] ] + + -- the slide view is just a list of img tags, one for each slide; note -- that these are all loaded on startup, with visibility done through -- z indices so we won't have lags while switching between them. -slideView : Int -> Int -> List (Html Msg) -slideView i max = List.range 0 (max - 1) - |> List.map (\x -> ("example/" ++ (padNum 2 (x+1)) ++ ".png", x == i)) +slideView : Int -> Int -> String -> List (Html Msg) +slideView i max prefix = List.range 0 (max - 1) + |> List.map (\x -> (prefix ++ (padNum 2 (x+1)) ++ ".png", x == i)) |> List.map (\(path,t) -> img [src path, onTop t] []) onTop t = style "z-index" (String.fromInt (if t then 10 else 0)) |