81 lines
No EOL
2.1 KiB
Haskell
81 lines
No EOL
2.1 KiB
Haskell
{-# LANGUAGE QuasiQuotes, TemplateHaskell, OverloadedStrings, TypeFamilies, MultiParamTypeClasses #-}
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import Language.Elm
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import Language.Elm.Quasi
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import Language.Elm.Yesod
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import Yesod
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import Text.Hamlet
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data ElmTest = ElmTest
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-- loading external elm code
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mousePage = $(elmFile "elm_source/mouse.elm")
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clockPage = $(elmFile "elm_source/clock.elm")
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-- embedding elm code inside Haskell using the QuasiQuoter:
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shapesPage = [elm|
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square = rect 200 200 (150,150)
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circle = oval 140 140 (150,150)
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pentagon = ngon 5 60 (150,150)
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main = collage 300 300
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[ outlined black square
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, filled green pentagon
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, customOutline [8,4] blue circle
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]
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|]
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-- our Yesod App
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mkYesod "ElmTest" [parseRoutes|
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/ RootR GET
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/mouse MouseR GET
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/clock ClockR GET
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/shapes ShapesR GET
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|]
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-- Your App data type needs to have an instance of YesodElm (see line 75&76)
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-- so that toWidget can work with QuasiQuoted elm code. All URL interpolation
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-- is done automatically. (e.g. lines 28-30 in elm_source/index.elm)
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getMouseR :: Handler RepHtml
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getMouseR =
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defaultLayout $ do
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setTitle "Mouse position demo"
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toWidget mousePage
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getClockR :: Handler RepHtml
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getClockR =
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defaultLayout $ do
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setTitle "A clock"
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toWidget clockPage
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getShapesR :: Handler RepHtml
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getShapesR =
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defaultLayout $ do
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setTitle "Simple shapes"
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toWidget shapesPage
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getRootR :: Handler RepHtml
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getRootR =
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defaultLayout $ do
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setTitle "Welcome!"
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toWidget $(elmFile "elm_source/index.elm")
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-- Our Yesod instance contains the default layout, which inserts the elm-min.js
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-- file in the site's <head> tag. The YesodElm instance defines the location of
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-- elm-min.js
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instance Yesod ElmTest where
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jsLoader _ = BottomOfHeadBlocking
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defaultLayout widget = do
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mmsg <- getMessage
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pc <- widgetToPageContent $ do
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$(whamletFile "templates/default-layout.hamlet")
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hamletToRepHtml $(hamletFile "templates/default-layout-wrapper.hamlet")
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instance YesodElm ElmTest where
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urlElmJs _ = Right $ "https://raw.github.com/evancz/Elm/master/elm/elm-runtime-0.3.0.js"
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main :: IO ()
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main = warpDebug 3000 ElmTest |