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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 (List.length homeModel.payments) / 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) ]
|
