From 2d79ab0e0a11f55255fc21a5dfab1598d3beeba3 Mon Sep 17 00:00:00 2001
From: Joris
Date: Sun, 11 Aug 2019 22:40:09 +0200
Subject: Add payment clone

---
 client/src/Util/Dom.hs    | 45 ----------------------------------------
 client/src/Util/Reflex.hs | 52 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+), 45 deletions(-)
 delete mode 100644 client/src/Util/Dom.hs
 create mode 100644 client/src/Util/Reflex.hs

(limited to 'client/src/Util')

diff --git a/client/src/Util/Dom.hs b/client/src/Util/Dom.hs
deleted file mode 100644
index 55b8521..0000000
--- a/client/src/Util/Dom.hs
+++ /dev/null
@@ -1,45 +0,0 @@
-module Util.Dom
-  ( divIfDyn
-  , divIfEvent
-  , divVisibleIf
-  , divClassVisibleIf
-  , getBody
-  ) where
-
-import qualified Data.Map                 as M
-import           Data.Text                (Text)
-import qualified GHCJS.DOM                as Dom
-import qualified GHCJS.DOM.Document       as Document
-import qualified GHCJS.DOM.HTMLCollection as HTMLCollection
-import           GHCJS.DOM.Types          (Element)
-import           Reflex.Dom               (Dynamic, Event, MonadWidget)
-import qualified Reflex.Dom               as R
-
-divIfDyn :: forall t m a. MonadWidget t m => Dynamic t Bool -> m a -> m a -> m (Dynamic t a)
-divIfDyn cond = divIfEvent (R.updated cond)
-
-divIfEvent :: forall t m a. MonadWidget t m => Event t Bool -> m a -> m a -> m (Dynamic t a)
-divIfEvent cond empty content =
-  R.widgetHold empty (flip fmap cond (\show ->
-    if show
-      then
-        content
-      else
-        empty))
-
-divVisibleIf :: forall t m a. MonadWidget t m => Dynamic t Bool -> m a -> m a
-divVisibleIf cond content = divClassVisibleIf cond "" content
-
-divClassVisibleIf :: forall t m a. MonadWidget t m => Dynamic t Bool -> Text -> m a -> m a
-divClassVisibleIf cond className content =
-  R.elDynAttr
-    "div"
-    (fmap (\c -> (M.singleton "class" className) `M.union` if c then M.empty else M.singleton "style" "display:none") cond)
-    content
-
-getBody :: forall t m. MonadWidget t m => m Element
-getBody = do
-  document <- Dom.currentDocumentUnchecked
-  nodelist <- Document.getElementsByTagName document ("body" :: String)
-  Just body <- nodelist `HTMLCollection.item` 0
-  return body
diff --git a/client/src/Util/Reflex.hs b/client/src/Util/Reflex.hs
new file mode 100644
index 0000000..c14feeb
--- /dev/null
+++ b/client/src/Util/Reflex.hs
@@ -0,0 +1,52 @@
+module Util.Reflex
+  ( visibleIfDyn
+  , visibleIfEvent
+  , divVisibleIf
+  , divClassVisibleIf
+  , flatten
+  , getBody
+  ) where
+
+import qualified Data.Map                 as M
+import           Data.Text                (Text)
+import qualified GHCJS.DOM                as Dom
+import qualified GHCJS.DOM.Document       as Document
+import qualified GHCJS.DOM.HTMLCollection as HTMLCollection
+import           GHCJS.DOM.Types          (Element)
+import           Reflex.Dom               (Dynamic, Event, MonadWidget)
+import qualified Reflex.Dom               as R
+
+visibleIfDyn :: forall t m a. MonadWidget t m => Dynamic t Bool -> m a -> m a -> m (Event t a)
+visibleIfDyn cond empty content =
+  R.dyn $ R.ffor cond $ \case
+    True -> content
+    False -> empty
+
+visibleIfEvent :: forall t m a. MonadWidget t m => Event t Bool -> m a -> m a -> m (Dynamic t a)
+visibleIfEvent cond empty content =
+  R.widgetHold empty $
+    R.ffor cond $ \case
+      True -> content
+      False -> empty
+
+divVisibleIf :: forall t m a. MonadWidget t m => Dynamic t Bool -> m a -> m a
+divVisibleIf cond content = divClassVisibleIf cond "" content
+
+divClassVisibleIf :: forall t m a. MonadWidget t m => Dynamic t Bool -> Text -> m a -> m a
+divClassVisibleIf cond className content =
+  R.elDynAttr
+    "div"
+    (fmap (\c -> (M.singleton "class" className) `M.union` if c then M.empty else M.singleton "style" "display:none") cond)
+    content
+
+flatten :: forall t m a. MonadWidget t m => Event t (Event t a) -> m (Event t a)
+flatten e = do
+  dyn <- R.holdDyn R.never e
+  return $ R.switchDyn dyn
+
+getBody :: forall t m. MonadWidget t m => m Element
+getBody = do
+  document <- Dom.currentDocumentUnchecked
+  nodelist <- Document.getElementsByTagName document ("body" :: String)
+  Just body <- nodelist `HTMLCollection.item` 0
+  return body
-- 
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