mirror of
https://github.com/correl/elm-mdl.git
synced 2024-11-23 19:19:52 +00:00
315 lines
7.5 KiB
Elm
315 lines
7.5 KiB
Elm
module Demo.Snackbar where
|
|
|
|
import Effects exposing (Effects, none)
|
|
import Html exposing (..)
|
|
import Html.Attributes exposing (class, style, key)
|
|
import Array exposing (Array)
|
|
import Time exposing (Time, millisecond)
|
|
|
|
import Material.Helpers exposing (map1st, map2nd, delay)
|
|
import Material.Color as Color
|
|
import Material.Style exposing (styled, cs, css)
|
|
import Material.Snackbar as Snackbar
|
|
import Material.Button as Button exposing (Action(..))
|
|
import Material.Grid exposing (..)
|
|
import Material.Elevation as Elevation
|
|
import Material
|
|
|
|
import Demo.Page as Page
|
|
|
|
|
|
-- MODEL
|
|
|
|
|
|
type alias Mdl =
|
|
Material.Model
|
|
|
|
|
|
type Square'
|
|
= Appearing
|
|
| Waiting
|
|
| Active
|
|
| Idle
|
|
| Disappearing
|
|
|
|
|
|
type alias Square =
|
|
(Int, Square')
|
|
|
|
|
|
type alias Model =
|
|
{ count : Int
|
|
, squares : List Square
|
|
, snackbar : Snackbar.Model Int
|
|
, mdl : Mdl
|
|
}
|
|
|
|
|
|
model : Model
|
|
model =
|
|
{ count = 0
|
|
, squares = []
|
|
, snackbar = Snackbar.model
|
|
, mdl = Material.model
|
|
}
|
|
|
|
|
|
-- ACTION, UPDATE
|
|
|
|
|
|
type Action
|
|
= AddSnackbar
|
|
| AddToast
|
|
| Appear Int
|
|
| Gone Int
|
|
| Snackbar (Snackbar.Action Int)
|
|
| MDL (Material.Action Action)
|
|
|
|
|
|
add : (Int -> Snackbar.Contents Int) -> Model -> (Model, Effects Action)
|
|
add f model =
|
|
let
|
|
(snackbar', fx) =
|
|
Snackbar.add (f model.count) model.snackbar
|
|
|> map2nd (Effects.map Snackbar)
|
|
model' =
|
|
{ model
|
|
| snackbar = snackbar'
|
|
, count = model.count + 1
|
|
, squares = (model.count, Appearing) :: model.squares
|
|
}
|
|
in
|
|
( model'
|
|
, Effects.batch
|
|
[ Effects.tick (always (Appear model.count))
|
|
, fx
|
|
]
|
|
)
|
|
|
|
|
|
mapSquare : Int -> (Square' -> Square') -> Model -> Model
|
|
mapSquare k f model =
|
|
{ model
|
|
| squares =
|
|
List.map
|
|
( \((k', sq) as s) -> if k /= k' then s else (k', f sq) )
|
|
model.squares
|
|
}
|
|
|
|
|
|
update : Action -> Model -> (Model, Effects Action)
|
|
update action model =
|
|
case action of
|
|
AddSnackbar ->
|
|
add (\k -> Snackbar.snackbar k ("Snackbar message #" ++ toString k) "UNDO") model
|
|
|
|
AddToast ->
|
|
add (\k -> Snackbar.toast k <| "Toast message #" ++ toString k) model
|
|
|
|
Appear k ->
|
|
( model |> mapSquare k (\sq -> if sq == Appearing then Waiting else sq)
|
|
, none
|
|
)
|
|
|
|
Snackbar (Snackbar.Begin k) ->
|
|
( model |> mapSquare k (always Active)
|
|
, none
|
|
)
|
|
|
|
Snackbar (Snackbar.End k) ->
|
|
( model |> mapSquare k (always Idle)
|
|
, none
|
|
)
|
|
|
|
Snackbar (Snackbar.Click k) ->
|
|
( model |> mapSquare k (always Disappearing)
|
|
, delay transitionLength (Gone k)
|
|
)
|
|
|
|
Gone k ->
|
|
({ model
|
|
| squares = List.filter (fst >> (/=) k) model.squares
|
|
}
|
|
, none)
|
|
|
|
Snackbar action' ->
|
|
Snackbar.update action' model.snackbar
|
|
|> map1st (\s -> { model | snackbar = s })
|
|
|> map2nd (Effects.map Snackbar)
|
|
|
|
MDL action' ->
|
|
Material.update MDL action' model.mdl
|
|
|> map1st (\m -> { model | mdl = m })
|
|
|
|
|
|
|
|
-- VIEW
|
|
|
|
|
|
addSnackbarButton : Button.Instance Mdl Action
|
|
addSnackbarButton =
|
|
Button.instance 0 MDL
|
|
Button.raised (Button.model True)
|
|
[ Button.fwdClick AddSnackbar ]
|
|
|
|
|
|
addToastButton : Button.Instance Mdl Action
|
|
addToastButton =
|
|
Button.instance 1 MDL
|
|
Button.raised (Button.model True)
|
|
[ Button.fwdClick AddToast ]
|
|
|
|
|
|
boxHeight : String
|
|
boxHeight = "48px"
|
|
|
|
|
|
boxWidth : String
|
|
boxWidth = "64px"
|
|
|
|
|
|
transitionLength : Time
|
|
transitionLength = 150 * millisecond
|
|
|
|
|
|
transitions : (String, String)
|
|
transitions =
|
|
("transition"
|
|
, "box-shadow 333ms ease-in-out 0s, "
|
|
++ "width " ++ toString transitionLength ++ "ms, "
|
|
++ "height " ++ toString transitionLength ++ "ms, "
|
|
++ "background-color " ++ toString transitionLength ++ "ms"
|
|
)
|
|
|
|
|
|
clickView : Model -> Square -> Html
|
|
clickView model (k, square) =
|
|
let
|
|
palette =
|
|
Array.get ((k + 4) % Array.length Color.palette) Color.palette
|
|
|> Maybe.withDefault Color.Teal
|
|
|
|
shade =
|
|
case square of
|
|
Idle ->
|
|
Color.S100
|
|
|
|
_ ->
|
|
Color.S500
|
|
|
|
color =
|
|
Color.color palette shade
|
|
|
|
selected' =
|
|
square == Active
|
|
|
|
(width, height, margin, selected) =
|
|
if square == Appearing || square == Disappearing then
|
|
("0", "0", "16px 0", False)
|
|
else
|
|
(boxWidth, boxHeight, "16px 16px", selected')
|
|
|
|
in
|
|
div
|
|
[ style
|
|
[ ("height", boxHeight)
|
|
, ("width", width)
|
|
, ("position", "relative")
|
|
, ("display", "inline-block")
|
|
, ("margin", margin)
|
|
, ("transition",
|
|
"width " ++ toString transitionLength ++ "ms ease-in-out 0s, "
|
|
++ "margin " ++ toString transitionLength ++ "ms ease-in-out 0s"
|
|
)
|
|
, ("z-index", "0")
|
|
]
|
|
, key <| toString k
|
|
]
|
|
[ styled div
|
|
[ Color.background color
|
|
, Color.text Color.primaryContrast
|
|
, Elevation.shadow (if selected then 8 else 2)
|
|
]
|
|
[ style
|
|
[ ("display", "inline-flex")
|
|
, ("align-items", "center")
|
|
, ("justify-content", "center")
|
|
, ("height", height)
|
|
, ("width", width)
|
|
, ("border-radius", "2px")
|
|
, transitions
|
|
, ("overflow", "hidden")
|
|
, ("box-sizing", "border-box")
|
|
, ("flex", "0 0 auto")
|
|
, ("position", "absolute")
|
|
, ("bottom", "0")
|
|
, ("left", "0")
|
|
]
|
|
]
|
|
[ div [] [ text <| toString k ] ]
|
|
]
|
|
|
|
|
|
|
|
view : Signal.Address Action -> Model -> Html
|
|
view addr model =
|
|
Page.body "Snackbar & Toast" srcUrl intro references
|
|
[ p []
|
|
[ text """Click the buttons below to activate the snackbar. Note that
|
|
multiple activations are automatically queued."""
|
|
]
|
|
, grid [ ]
|
|
[ cell
|
|
[ size All 2, size Phone 2, align Top ]
|
|
[ addToastButton.view addr model.mdl
|
|
[ Button.colored
|
|
, css "margin" "16px"
|
|
]
|
|
[ text "Toast" ]
|
|
]
|
|
, cell
|
|
[ size All 2, size Phone 2, align Top ]
|
|
[ addSnackbarButton.view addr model.mdl
|
|
[ Button.colored
|
|
, css "margin" "16px"
|
|
]
|
|
[ text "Snackbar" ]
|
|
]
|
|
, cell
|
|
[ size Desktop 7, offset Desktop 1
|
|
, size Tablet 3, offset Tablet 1
|
|
, size Phone 4
|
|
, align Top
|
|
]
|
|
(model.squares |> List.reverse |> List.map (clickView model))
|
|
]
|
|
, Snackbar.view (Signal.forwardTo addr Snackbar) model.snackbar
|
|
]
|
|
|
|
|
|
intro : Html
|
|
intro =
|
|
Page.fromMDL "https://www.getmdl.io/components/index.html#snackbar-section" """
|
|
> The Material Design Lite (MDL) __snackbar__ component is a container used to
|
|
> notify a user of an operation's status. It displays at the bottom of the
|
|
> screen. A snackbar may contain an action button to execute a command for the
|
|
> user. Actions should undo the committed action or retry it if it failed for
|
|
> example. Actions should not be to close the snackbar. By not providing an
|
|
> action, the snackbar becomes a __toast__ component.
|
|
|
|
"""
|
|
|
|
|
|
srcUrl : String
|
|
srcUrl =
|
|
"https://github.com/debois/elm-mdl/blob/master/examples/Demo/Snackbar.elm"
|
|
|
|
|
|
references : List (String, String)
|
|
references =
|
|
[ Page.package "http://package.elm-lang.org/packages/debois/elm-mdl/latest/Material-Snackbar"
|
|
, Page.mds "https://www.google.com/design/spec/components/snackbars-toasts.html"
|
|
, Page.mdl "https://www.getmdl.io/components/index.html#snackbar-section"
|
|
]
|
|
|
|
|