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path: root/src/View/Timer.elm
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module View.Timer
  ( timerView
  ) where

import Html (..)
import Html.Attributes (..)
import Html.Events (..)
import Time (Time)
import Signal
import Maybe
import List
import String

import Model.Model (..)
import Model.Timer (..)
import Model.Edition.Edition (..)
import Model.Edition.NameEdition (..)
import Model.Edition.TimeEdition (..)
import Model.TimerState (..)
import Model.Id (..)

import Update.Update (..)
import Update.UpdateTimer (..)

import View.ActivatedClasses (..)

import Utils.Maybe (..)

timerView : Model -> (Id, Timer) -> Html
timerView model (id, timer) =
  div
    [ class "timer" ]
    [ renderMaybeEdition model id Name (nameBlockReadOnly id timer) (nameBlockEdition id timer)
    , renderMaybeEdition model id Time (timeBlockReadOnly id timer) (timeBlockEdition timer)
    , playPauseBlock (id, timer)
    , stopBlock (id, timer)
    , removeBlock (id, timer)
    ]

nameBlockReadOnly : Id -> Timer -> Html
nameBlockReadOnly id timer =
  div
    [ class "name block"
    , onClick (Signal.send updates (Edit id Name))
    ]
    [ text (timerName id timer) ]

nameBlockEdition : Id -> Timer -> Edition -> Html
nameBlockEdition id timer edition =
  div
    [ [ (True, "name block edition")
      , (List.isEmpty edition.chars, "empty")
      ]
        |> activatedClasses
    , onClick (Signal.send updates ValidEdition)
    ]
    [ if List.isEmpty edition.chars
        then
          text (timerName id timer)
        else
          edition.chars
            |> renderNameEdition
            |> text
    ]

timerName : Id -> Timer -> String
timerName id = Maybe.withDefault ("Timer " ++ toString id) << .name

timeBlockReadOnly : Id -> Timer -> Html
timeBlockReadOnly id timer =
  div
    [ [ (True, "time block")
      , (timer.state == Ringing, "isRinging")
      , (timer.state == Running, "isRunning")
      ]
        |> activatedClasses
    , onClick
        <| if timer.state == Ringing
             then Signal.send updates (UpdateTimer id Stop)
             else Signal.send updates (Edit id Time)
    ]
    [ timeWithProgressBar timer ]

timeBlockEdition : Timer -> Edition -> Html
timeBlockEdition timer edition =
  let isEmptyEdition = List.isEmpty edition.chars
  in  div
        [ [ (True, "time block edition")
          , (isEmptyEdition, "empty")
          ]
            |> activatedClasses
        , onClick (Signal.send updates ValidEdition)
        ]
        [ if isEmptyEdition
            then
              timeWithProgressBar timer
            else
              text (editionView edition.chars)
        ]

editionView : List Char -> String
editionView numbers =
  let (minutes, seconds) = toMinutesAndSeconds numbers
  in  minutes ++ " : " ++ seconds

timeView : Time -> String
timeView time =
  let totalSeconds = truncate (time / 1000)
      totalMinutes = totalSeconds // 60
      restSeconds = totalSeconds `rem` 60
  in  (String.padLeft 2 '0' (toString totalMinutes)) ++ " : " ++ (String.padLeft 2 '0' (toString restSeconds))

timeWithProgressBar : Timer -> Html
timeWithProgressBar timer =
  div
    []
    [ span
        [ class "progressBar"
        , let width =
                1 - timer.currentTime / (initTime timer.initialTime)
                  |> (*) 198
                  |> round
                  |> toString
                  |> flip String.append "px"
          in style [ ("width", width) ]
        ]
        []
    , span
        [ class "text" ]
        [ text (timeView timer.currentTime) ]
    ]

playPauseBlock : (Id, Timer) -> Html
playPauseBlock (id, timer) =
  button
    [ class <| "playPause block"
    , onClick (Signal.send updates (UpdateTimer id ToggleRunning))
    ]
    [ let icon = if timer.state == Running then "fa-pause" else "fa-play"
      in  i
            [ class <| "fa fa-fw " ++ icon ]
            []
    ]

stopBlock : (Id, Timer) -> Html
stopBlock (id, timer) =
  button
    [ class <| "stop block"
    , onClick (Signal.send updates (UpdateTimer id Stop))
    ]
    [ i [ class "fa fa-fw fa-stop" ] [] ]

removeBlock : (Id, Timer) -> Html
removeBlock (id, timer) =
  button
    [ class <| "remove block"
    , onClick (Signal.send updates (RemoveTimer id))
    ]
    [ i [ class "fa fa-fw fa-remove" ] [] ]

renderMaybeEdition : Model -> Id -> Kind -> Html -> (Edition -> Html) -> Html
renderMaybeEdition model id kind readOnlyView editionView =
  let maybeEdition = filterMaybe (\edition -> edition.id == id) model.edition
  in  case maybeEdition of
        Just edition ->
          if edition.kind == kind
            then
              editionView edition
            else
              readOnlyView
        Nothing ->
          readOnlyView