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|
{-# LANGUAGE OverloadedStrings #-}
module Component.Button
( ButtonIn(..)
, buttonInDefault
, ButtonOut(..)
, button
) where
import qualified Data.Map as M
import Data.Text (Text)
import qualified Data.Text as T
import Reflex.Dom (Dynamic, Event, MonadWidget)
import qualified Reflex.Dom as R
import qualified Icon
data ButtonIn t m = ButtonIn
{ _buttonIn_class :: Dynamic t Text
, _buttonIn_content :: m ()
, _buttonIn_waiting :: Event t Bool
}
buttonInDefault :: forall t m. MonadWidget t m => ButtonIn t m
buttonInDefault = ButtonIn
{ _buttonIn_class = R.constDyn ""
, _buttonIn_content = R.blank
, _buttonIn_waiting = R.never
}
data ButtonOut t = ButtonOut
{ _buttonOut_clic :: Event t ()
}
button :: forall t m. MonadWidget t m => ButtonIn t m -> m (ButtonOut t)
button buttonIn = do
dynWaiting <- R.holdDyn False $ _buttonIn_waiting buttonIn
let attr = do
buttonClass <- _buttonIn_class buttonIn
waiting <- dynWaiting
return $ if waiting
then M.fromList [("type", "button"), ("class", T.intercalate " " [ buttonClass, "waiting" ])]
else M.fromList [("type", "button"), ("class", buttonClass)]
(e, _) <- R.elDynAttr' "button" attr $ do
Icon.loading
R.divClass "content" $ _buttonIn_content buttonIn
return $ ButtonOut
{ _buttonOut_clic = R.domEvent R.Click e
}
-- mergeAttr :: Map Text Text -> Map Text Text -> Map Text Text
-- mergeAttr = M.unionWithKey $ \k a b ->
-- if k == "class"
-- then T.intercalate " " [ a, b ]
-- else b
|
