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-rw-r--r--website/sandbox/learnpianochords/src/FlashCard.elm42
-rw-r--r--website/sandbox/learnpianochords/src/Main.elm5
-rw-r--r--website/sandbox/learnpianochords/src/Practice.elm12
-rw-r--r--website/sandbox/learnpianochords/src/State.elm8
-rw-r--r--website/sandbox/learnpianochords/src/UI.elm4
5 files changed, 66 insertions, 5 deletions
diff --git a/website/sandbox/learnpianochords/src/FlashCard.elm b/website/sandbox/learnpianochords/src/FlashCard.elm
new file mode 100644
index 000000000000..a4917529392a
--- /dev/null
+++ b/website/sandbox/learnpianochords/src/FlashCard.elm
@@ -0,0 +1,42 @@
+module FlashCard exposing (render)
+
+import Html exposing (..)
+import Html.Attributes exposing (..)
+import Html.Events exposing (..)
+import Responsive
+import State
+import Tailwind
+import Theory
+
+
+render :
+    { chord : Theory.Chord
+    , visible : Bool
+    }
+    -> Html State.Msg
+render { chord, visible } =
+    let
+        classes =
+            [ "bg-white"
+            , "fixed"
+            , "top-0"
+            , "left-0"
+            , "z-30"
+            , "w-screen"
+            , "h-screen"
+            , Tailwind.if_ visible "opacity-100" "opacity-0"
+            ]
+    in
+    button
+        [ classes |> Tailwind.use |> class ]
+        [ h1
+            [ [ "text-center"
+              , "transform"
+              , "-rotate-90"
+              , Responsive.h1
+              ]
+                |> Tailwind.use
+                |> class
+            ]
+            [ text (Theory.viewChord chord) ]
+        ]
diff --git a/website/sandbox/learnpianochords/src/Main.elm b/website/sandbox/learnpianochords/src/Main.elm
index d583e3fcf9a3..b066fb2f6f92 100644
--- a/website/sandbox/learnpianochords/src/Main.elm
+++ b/website/sandbox/learnpianochords/src/Main.elm
@@ -16,7 +16,10 @@ subscriptions model =
         Sub.none
 
     else
-        Time.every (model.tempo |> Misc.bpmToMilliseconds |> toFloat) (\_ -> State.NextChord)
+        Sub.batch
+            [ Time.every (model.tempo * 2 |> Misc.bpmToMilliseconds |> toFloat) (\_ -> State.ToggleFlashCard)
+            , Time.every (model.tempo |> Misc.bpmToMilliseconds |> toFloat) (\_ -> State.NextChord)
+            ]
 
 
 view : State.Model -> Html State.Msg
diff --git a/website/sandbox/learnpianochords/src/Practice.elm b/website/sandbox/learnpianochords/src/Practice.elm
index 86977859b85b..e92b163920ab 100644
--- a/website/sandbox/learnpianochords/src/Practice.elm
+++ b/website/sandbox/learnpianochords/src/Practice.elm
@@ -1,5 +1,6 @@
 module Practice exposing (render)
 
+import FlashCard
 import Html exposing (..)
 import Html.Attributes exposing (..)
 import Html.Events exposing (..)
@@ -13,7 +14,7 @@ import UI
 openPreferences : Html State.Msg
 openPreferences =
     button
-        [ class "w-48 h-48 absolute left-0 top-0 z-40"
+        [ class "w-48 h-48 absolute left-0 top-0 z-50"
         , onClick (State.SetView State.Preferences)
         ]
         [ Icon.cog ]
@@ -36,6 +37,15 @@ render model =
             , handleClick = handleClick
             , isVisible = model.isPaused
             }
+        , case model.selectedChord of
+            Just chord ->
+                FlashCard.render
+                    { chord = chord
+                    , visible = model.showFlashCard
+                    }
+
+            Nothing ->
+                span [] []
         , Piano.render
             { chord = model.selectedChord
             , firstNote = model.firstNote
diff --git a/website/sandbox/learnpianochords/src/State.elm b/website/sandbox/learnpianochords/src/State.elm
index 5f6a02a92085..d81e5b26b728 100644
--- a/website/sandbox/learnpianochords/src/State.elm
+++ b/website/sandbox/learnpianochords/src/State.elm
@@ -18,6 +18,7 @@ type Msg
     | DoNothing
     | SetPracticeMode PracticeMode
     | SetView View
+    | ToggleFlashCard
 
 
 type View
@@ -46,6 +47,7 @@ type alias Model =
     , lastNote : Theory.Note
     , practiceMode : PracticeMode
     , view : View
+    , showFlashCard : Bool
     }
 
 
@@ -92,10 +94,11 @@ init =
     , whitelistedKeys = keys
     , selectedChord = Nothing
     , isPaused = True
-    , tempo = 20
+    , tempo = 10
     , firstNote = firstNote
     , lastNote = lastNote
     , view = Overview
+    , showFlashCard = True
     }
 
 
@@ -251,3 +254,6 @@ update msg model =
               }
             , Cmd.none
             )
+
+        ToggleFlashCard ->
+            ( { model | showFlashCard = not model.showFlashCard }, Cmd.none )
diff --git a/website/sandbox/learnpianochords/src/UI.elm b/website/sandbox/learnpianochords/src/UI.elm
index 50bbaaa2142d..a6876c4f8a0d 100644
--- a/website/sandbox/learnpianochords/src/UI.elm
+++ b/website/sandbox/learnpianochords/src/UI.elm
@@ -132,7 +132,7 @@ overlayButton { label, handleClick, isVisible } =
             , "top-0"
             , "left-0"
             , "block"
-            , "z-30"
+            , "z-40"
             , "w-screen"
             , "h-screen"
             , Tailwind.if_ isVisible "opacity-100" "opacity-0"
@@ -140,7 +140,7 @@ overlayButton { label, handleClick, isVisible } =
     in
     button
         [ classes |> Tailwind.use |> class
-        , style "background-color" "rgba(0,0,0,0.30)"
+        , style "background-color" "rgba(0,0,0,1.0)"
         , onClick handleClick
         ]
         [ h1