diff options
Diffstat (limited to 'elm/Lib/RDate.elm')
| -rw-r--r-- | elm/Lib/RDate.elm | 62 |
1 files changed, 45 insertions, 17 deletions
diff --git a/elm/Lib/RDate.elm b/elm/Lib/RDate.elm index 67888114..3eca4cfa 100644 --- a/elm/Lib/RDate.elm +++ b/elm/Lib/RDate.elm @@ -1,8 +1,9 @@ -- Utility module and UI widget for handling release dates. -- --- Release dates are integers with the following format: 0 or yyyymmdd +-- Release dates are integers with the following format: 0, 1 or yyyymmdd -- Special values --- 0 -> unknown +-- 0 -> unknown +-- 1 -> "today" (only used as filter) -- 99999999 -> TBA -- yyyy9999 -> year known, month & day unknown -- yyyymm99 -> year & month known, day unknown @@ -14,6 +15,7 @@ import Html.Events exposing (..) import Date import Lib.Html exposing (..) import Gen.Types as GT +import Gen.Api as GApi type alias RDate = Int @@ -44,18 +46,23 @@ fromDate d = , d = Date.day d } +maxDayInMonth : Int -> Int -> Int +maxDayInMonth y m = Date.fromCalendarDate y (Date.numberToMonth m) 1 |> Date.add Date.Months 1 |> Date.add Date.Days -1 |> Date.day normalize : RDateComp -> RDateComp normalize r = - if r.y == 0 then { y = 0, m = 0, d = 0 } + if r.y == 0 then { y = 0, m = 0, d = clamp 0 1 r.d } else if r.y == 9999 then { y = 9999, m = 99, d = 99 } - else if r.m == 99 then { y = r.y, m = 99, d = 99 } + else if r.m == 0 || r.m == 99 then { y = r.y, m = 99, d = 99 } + else if r.d == 0 then { r | d = 99 } + else if r.d /= 99 && r.d > 28 then { r | d = Basics.min r.d (maxDayInMonth r.y r.m) } -- Make sure the day field is in range else r format : RDateComp -> String format date = case (date.y, date.m, date.d) of + ( 0, 0, 1) -> "today" ( 0, _, _) -> "unknown" (9999, _, _) -> "TBA" ( y, 99, 99) -> String.fromInt y @@ -70,24 +77,45 @@ display today d = in if future then b [ class "future" ] [ text fmt ] else text fmt +monthList : List String +monthList = + [ "Jan" + , "Feb" + , "Mar" + , "Apr" + , "May" + , "Jun" + , "Jul" + , "Aug" + , "Sep" + , "Oct" + , "Nov" + , "Dec" + ] + +monthSelect : List (Int, String) +monthSelect = List.indexedMap (\m s -> (m+1, String.fromInt (m+1) ++ " (" ++ s ++ ")")) monthList + -- Input widget. --- --- BUG: Changing the month or year fields when day 30-31 is selected but no --- longer valid results in an invalid RDate. It also causes the "-day-" option --- to be selected (which is good), so I don't expect that many people will try --- to submit the form without changing it. -view : RDate -> Bool -> (RDate -> msg) -> Html msg -view ro permitUnknown msg = +view : RDate -> Bool -> Bool -> (RDate -> msg) -> Html msg +view ro permitUnknown permitToday msg = let r = expand ro range from to f = List.range from to |> List.map (\n -> (f n |> normalize |> compact, String.fromInt n)) - yl = (if permitUnknown then [(0, "Unknown")] else []) - ++ [(99999999, "TBA")] - ++ List.reverse (range 1980 (GT.curYear + 5) (\n -> {r|y=n})) - ml = ({r|m=99} |> normalize |> compact, "- month -") :: range 1 12 (\n -> {r|m=n}) - maxDay = Date.fromCalendarDate r.y (Date.numberToMonth r.m) 1 |> Date.add Date.Months 1 |> Date.add Date.Days -1 |> Date.day - dl = ({r|d=99} |> normalize |> compact, "- day -") :: range 1 maxDay (\n -> {r|d=n}) + yl = (if permitToday then [(1, "Today" )] else []) + ++ (if permitUnknown then [(0, "Unknown")] else []) + ++ [(99999999, "TBA")] + ++ List.reverse (range 1980 (GT.curYear + 5) (\n -> {r|y=n})) + ml = ({r|m=99} |> normalize |> compact, "- month -") :: List.map (\(m,s) -> (compact (normalize {r|m=m}), s)) monthSelect + dl = ({r|d=99} |> normalize |> compact, "- day -") :: range 1 (maxDayInMonth r.y r.m) (\n -> {r|d=n}) in div [] [ inputSelect "" ro msg [ style "width" "100px" ] yl , if r.y == 0 || r.y == 9999 then text "" else inputSelect "" ro msg [ style "width" "90px" ] ml , if r.m == 0 || r.m == 99 then text "" else inputSelect "" ro msg [ style "width" "90px" ] dl ] + + +-- Handy function for formatting release info as a string +-- (Typically used in selection boxes) +-- (Why is that in this module, you ask? Well, where else do I put it?) +showrel : GApi.ApiReleases -> String +showrel r = "[" ++ (format (expand r.released)) ++ " " ++ (String.join "," r.lang) ++ "] " ++ r.title ++ " (" ++ r.id ++ ")" |