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+module LoggedIn.Home.View.Paging
+ ( paymentsPaging
+ ) where
+
+import Signal exposing (Address)
+
+import Html exposing (..)
+import Html.Attributes exposing (..)
+import Html.Events exposing (..)
+
+import LoggedIn.Action as LoggedInAction
+
+import LoggedIn.Home.Action as HomeAction
+import LoggedIn.Home.Model as HomeModel
+
+import Action exposing (..)
+import Model.Payment exposing (perPage)
+
+import View.Icon exposing (renderIcon)
+
+showedPages : Int
+showedPages = 5
+
+paymentsPaging : Address Action -> HomeModel.Model -> Html
+paymentsPaging address homeModel =
+ let maxPage = ceiling (toFloat homeModel.paymentsCount / toFloat perPage)
+ pages = truncatePages homeModel.currentPage [1..maxPage]
+ in if maxPage == 1
+ then
+ text ""
+ else
+ div
+ [ class "pages" ]
+ ( ( if homeModel.currentPage > 1
+ then [ firstPage address, previousPage address homeModel ]
+ else []
+ )
+ ++ ( List.map (paymentsPage address homeModel) pages)
+ ++ ( if homeModel.currentPage < maxPage
+ then [ nextPage address homeModel, lastPage address maxPage ]
+ else []
+ )
+ )
+
+truncatePages : Int -> List Int -> List Int
+truncatePages currentPage pages =
+ let totalPages = List.length pages
+ showedLeftPages = ceiling ((toFloat showedPages - 1) / 2)
+ showedRightPages = floor ((toFloat showedPages - 1) / 2)
+ truncatedPages =
+ if currentPage < showedLeftPages then
+ [1..showedPages]
+ else if currentPage > totalPages - showedRightPages then
+ [(totalPages - showedPages)..totalPages]
+ else
+ [(currentPage - showedLeftPages)..(currentPage + showedRightPages)]
+ in List.filter (flip List.member pages) truncatedPages
+
+firstPage : Address Action -> Html
+firstPage address =
+ button
+ [ class "page"
+ , onClick address (UpdateLoggedIn << LoggedInAction.HomeAction << HomeAction.UpdatePage <| 1)
+ ]
+ [ renderIcon "fast-backward" ]
+
+previousPage : Address Action -> HomeModel.Model -> Html
+previousPage address homeModel =
+ button
+ [ class "page"
+ , onClick address (UpdateLoggedIn << LoggedInAction.HomeAction << HomeAction.UpdatePage <| homeModel.currentPage - 1)
+ ]
+ [ renderIcon "backward" ]
+
+nextPage : Address Action -> HomeModel.Model -> Html
+nextPage address homeModel =
+ button
+ [ class "page"
+ , onClick address (UpdateLoggedIn << LoggedInAction.HomeAction << HomeAction.UpdatePage <| homeModel.currentPage + 1)
+ ]
+ [ renderIcon "forward" ]
+
+lastPage : Address Action -> Int -> Html
+lastPage address maxPage =
+ button
+ [ class "page"
+ , onClick address (UpdateLoggedIn << LoggedInAction.HomeAction << HomeAction.UpdatePage <| maxPage)
+ ]
+ [ renderIcon "fast-forward" ]
+
+paymentsPage : Address Action -> HomeModel.Model -> Int -> Html
+paymentsPage address homeModel page =
+ let onCurrentPage = page == homeModel.currentPage
+ in button
+ [ classList
+ [ ("page", True)
+ , ("current", onCurrentPage)
+ ]
+ , onClick address <|
+ if onCurrentPage then Action.NoOp else UpdateLoggedIn << LoggedInAction.HomeAction << HomeAction.UpdatePage <| page
+ ]
+ [ text (toString page) ]