1 files changed, 25 insertions, 0 deletions
diff --git a/src/client/elm/View/Expand.elm b/src/client/elm/View/Expand.elm
new file mode 100644
index 0000000..53b4fe5
--- /dev/null
+++ b/src/client/elm/View/Expand.elm
@@ -0,0 +1,25 @@
+module View.Expand
+  ( expand
+  , ExpandType(..)
+  ) where
+
+import Html exposing (..)
+import Html.Attributes exposing (..)
+
+import View.Icon exposing (renderIcon)
+
+type ExpandType = ExpandUp | ExpandDown
+
+expand : ExpandType -> Bool -> Html
+expand expandType isExpanded =
+  div
+    [ class "expand" ]
+    [ renderIcon (chevronIcon expandType isExpanded) ]
+
+chevronIcon : ExpandType -> Bool -> String
+chevronIcon expandType isExpanded =
+  case (expandType, isExpanded) of
+    (ExpandUp, True)    -> "chevron-down"
+    (ExpandUp, False)   -> "chevron-up"
+    (ExpandDown, True)  -> "chevron-up"
+    (ExpandDown, False) -> "chevron-down"