Created
July 9, 2017 19:02
-
-
Save anonymous/5ae5d9613e4598fb87971e66a5602907 to your computer and use it in GitHub Desktop.
Untitled
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| { | |
| "version": "1.0.0", | |
| "summary": "Tell the world about your project!", | |
| "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" | |
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <html> | |
| <head> | |
| <style> | |
| html { | |
| background: #F7F7F7; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var elmApp = Elm.Main.fullscreen(); | |
| var globalReader = function () { | |
| var reader = new FileReader(); | |
| reader.onload = (function (event) { | |
| elmApp.ports.imageRead.send(event.target.result) | |
| }); | |
| return reader; | |
| }(); | |
| elmApp.ports.readImage.subscribe(function (node) { | |
| globalReader.readAsDataURL(node.files[0]); | |
| node.value = ""; | |
| }); | |
| </script> | |
| </body> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| port module Main exposing (..) | |
| import Html exposing (Html, text, program) | |
| import Html.Events exposing (on) | |
| import Html.Attributes exposing (type_, src) | |
| import Json.Decode as Decode exposing (Value, Decoder) | |
| port readImage : Value -> Cmd msg | |
| port imageRead : (String -> msg) -> Sub msg | |
| type alias Model = | |
| String | |
| type Msg | |
| = ReadImage Value | |
| | ImageRead String | |
| update : Msg -> Model -> ( Model, Cmd Msg ) | |
| update msg model = | |
| case msg of | |
| ReadImage v -> | |
| model ! [ readImage v ] | |
| ImageRead v -> | |
| v ! [] | |
| view : Model -> Html Msg | |
| view model = | |
| Html.div [] | |
| [ Html.input [ type_ "file", on "change" (decodeNode ReadImage) ] [] | |
| , Html.p [] [ Html.pre [] [ text model ] ] | |
| , Html.img [ src model ] [] | |
| ] | |
| decodeNode : (Value -> msg) -> Decoder msg | |
| decodeNode toMsg = | |
| Decode.map toMsg (Decode.field "target" Decode.value) | |
| subscriptions : Model -> Sub Msg | |
| subscriptions _ = | |
| imageRead ImageRead | |
| main : Program Never Model Msg | |
| main = | |
| program | |
| { init = "" ! [] | |
| , update = update | |
| , view = view | |
| , subscriptions = subscriptions | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment