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

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

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

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

import View.ActivatedClasses exposing (..)

import Utils.Maybe exposing (..)

timerView : Model -> (Id, Timer) -> Html
timerView model (id, timer) =
  div
    [ [ (True, "timer")
      , (timer.state == Ringing, "isRinging")
      , (timer.state == Running, "isRunning")
      ]
        |> activatedClasses
    ]
    [ renderMaybeEdition model id Name (nameBlockReadOnly id timer) (nameBlockEdition id timer)
    , renderMaybeEdition model id Time (timeBlockReadOnly (id, timer)) (timeBlockEdition (id, timer))
    , playPauseTimer (id, timer)
    , stopTimer (id, timer)
    , removeTimer (id, timer)
    ]

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

nameBlockEdition : Id -> Timer -> Edition -> Html
nameBlockEdition id timer edition =
  div
    [ [ (True, "name edition")
      , (isEmpty edition, "empty")
      ]
        |> activatedClasses
    , onClick actions.address NoOp
    ]
    [ if isEmpty edition
        then
          text (timerName id timer)
        else
          edition.chars
            |> renderNameEdition
            |> flip String.append "_"
            |> text
    ]

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

timeBlockReadOnly : (Id, Timer) -> Html
timeBlockReadOnly (id, timer) =
  div
    [ class "time"
    , onClick actions.address (Edit id Time)
    ]
    [ timeWithProgressBar (id, timer) ]

timeBlockEdition : (Id, Timer) -> Edition -> Html
timeBlockEdition (id, timer) edition =
  div
    [ [ (True, "time edition")
      , (isEmpty edition, "empty")
      ]
        |> activatedClasses
    , onClick actions.address NoOp
    ]
    [ if isEmpty edition
        then
          timeWithProgressBar (id, 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 = ceiling (time / 1000)
      totalMinutes = totalSeconds // 60
      restSeconds = totalSeconds `rem` 60
  in  (String.padLeft 2 '0' (toString totalMinutes)) ++ " : " ++ (String.padLeft 2 '0' (toString restSeconds))

timeWithProgressBar : (Id, Timer) -> Html
timeWithProgressBar (id, timer) =
  div
    []
    [ span
        [ class "progressBar"
        , let width =
                1 - timer.currentTime / timer.initialTime
                  |> (*) 1020
                  |> round
                  |> toString
                  |> flip String.append "px"
          in style [ ("width", width) ]
        , onClick actions.address (UpdateTimer id Stop)
        ]
        []
    , span
        [ class "text" ]
        [ text (timeView timer.currentTime) ]
    ]

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

stopTimer : (Id, Timer) -> Html
stopTimer (id, timer) =
  button
    [ class <| "stop"
    , onClick actions.address (UpdateTimer id Stop)
    ]
    [ i [ class "fa fa-fw fa-stop" ] [] ]

removeTimer : (Id, Timer) -> Html
removeTimer (id, timer) =
  button
    [ class <| "remove"
    , onClick actions.address (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