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May 6, 2017 03:50
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Elm Hex Clock
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| { | |
| "version": "1.0.0", | |
| "summary": "An Elm Hex Clock!", | |
| "repository": "https://github.com/user/project.git", | |
| "license": "BSD3", | |
| "source-directories": [ | |
| "." | |
| ], | |
| "exposed-modules": [], | |
| "dependencies": { | |
| "elm-lang/core": "5.1.1 <= v < 5.1.1", | |
| "elm-lang/html": "2.0.0 <= v < 2.0.0" | |
| }, | |
| "elm-version": "0.18.0 <= v < 0.19.0" | |
| } |
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| <html> | |
| <head> | |
| <style> | |
| body { | |
| padding: 0; | |
| margin: 0; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var app = Elm.Main.fullscreen() | |
| </script> | |
| </body> | |
| </html> |
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| module Main exposing (..) | |
| import Html exposing (Html, Attribute, div, text) | |
| import Html.Attributes exposing (style) | |
| import Time exposing (Time, every) | |
| import List exposing (map) | |
| import String exposing (join, length) | |
| import Date exposing (fromTime, hour, minute, second) | |
| -- STYLES | |
| styles : String -> Attribute msg | |
| styles time = | |
| style | |
| [ ( "backgroundColor", time ) | |
| , ( "height", "100vh" ) | |
| , ( "width", "100vw" ) | |
| , ( "color", "#fff" ) | |
| , ( "display", "flex" ) | |
| , ( "justifyContent", "center" ) | |
| , ( "alignItems", "center" ) | |
| , ( "fontSize", "72px" ) | |
| ] | |
| -- HELPERS | |
| joinTimes : Int -> Int -> Int -> String | |
| joinTimes hrs min sec = | |
| [ hrs, min, sec ] | |
| |> map (\t -> toString t) | |
| |> map | |
| (\s -> | |
| if length s < 2 then | |
| "0" ++ s | |
| else | |
| s | |
| ) | |
| |> join "" | |
| toInt : Time -> Int | |
| toInt time = | |
| round time | |
| -- MODEL/INIT | |
| type alias Model = | |
| { time : String } | |
| model : Model | |
| model = | |
| Model "" | |
| init : ( Model, Cmd Msg ) | |
| init = | |
| ( Model "", Cmd.none ) | |
| -- UPDATE | |
| type Msg | |
| = Tick Time | |
| update : Msg -> Model -> ( Model, Cmd Msg ) | |
| update msg model = | |
| case msg of | |
| Tick time -> | |
| let | |
| hr = | |
| hour (fromTime time) | |
| min = | |
| minute (fromTime time) | |
| sec = | |
| second (fromTime time) | |
| in | |
| ( { model | time = joinTimes hr min sec }, Cmd.none ) | |
| subscriptions : Model -> Sub Msg | |
| subscriptions model = | |
| every Time.second Tick | |
| -- VIEW | |
| view : Model -> Html a | |
| view model = | |
| let | |
| { time } = | |
| model | |
| in | |
| div [ (styles time) ] [ text ("#" ++ time) ] | |
| -- MAIN | |
| main : Program Never Model Msg | |
| main = | |
| Html.program | |
| { init = init | |
| , update = update | |
| , subscriptions = subscriptions | |
| , view = view | |
| } |
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