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https://github.com/NoRedInk/noredink-ui.git
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120 lines
3.5 KiB
Elm
120 lines
3.5 KiB
Elm
module Example exposing (Example, view, wrapMsg, wrapState)
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import Category exposing (Category)
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import Css exposing (..)
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import Html.Styled as Html exposing (Html)
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import Html.Styled.Attributes as Attributes
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import Nri.Ui.Colors.V1 exposing (..)
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type alias Example state msg =
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{ name : String
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, state : state
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, update : msg -> state -> ( state, Cmd msg )
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, subscriptions : state -> Sub msg
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, view : state -> List (Html msg)
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, categories : List Category
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}
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wrapMsg :
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(msg -> msg2)
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-> (msg2 -> Maybe msg)
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-> Example state msg
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-> Example state msg2
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wrapMsg wrapMsg_ unwrapMsg example =
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{ name = example.name
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, state = example.state
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, update =
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\msg2 state ->
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case unwrapMsg msg2 of
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Just msg ->
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example.update msg state
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|> Tuple.mapSecond (Cmd.map wrapMsg_)
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Nothing ->
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( state, Cmd.none )
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, subscriptions = \state -> Sub.map wrapMsg_ (example.subscriptions state)
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, view = \state -> List.map (Html.map wrapMsg_) (example.view state)
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, categories = example.categories
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}
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wrapState :
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(state -> state2)
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-> (state2 -> Maybe state)
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-> Example state msg
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-> Example state2 msg
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wrapState wrapState_ unwrapState example =
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{ name = example.name
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, state = wrapState_ example.state
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, update =
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\msg state2 ->
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case unwrapState state2 of
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Just state ->
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example.update msg state
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|> Tuple.mapFirst wrapState_
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Nothing ->
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( state2, Cmd.none )
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, subscriptions =
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unwrapState
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>> Maybe.map example.subscriptions
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>> Maybe.withDefault Sub.none
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, view =
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unwrapState
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>> Maybe.map example.view
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>> Maybe.withDefault []
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, categories = example.categories
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}
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view : Bool -> Example state msg -> Html msg
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view showFocusLink example =
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Html.div
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[ -- this class makes the axe accessibility checking output easier to parse
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String.replace "." "-" example.name
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|> (++) "module-example__"
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|> Attributes.class
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]
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[ Html.div
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[ Attributes.css
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[ displayFlex
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, alignItems center
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, justifyContent flexStart
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, flexWrap Css.wrap
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, padding (px 4)
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, backgroundColor glacier
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]
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]
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[ Html.styled Html.h2
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[ color gray20
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, fontFamilies [ qt "Source Code Pro", "Consolas", "Courier", "monospace" ]
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, fontSize (px 20)
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, marginTop zero
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, marginBottom zero
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]
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[]
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[ Html.text example.name ]
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, String.replace "." "-" example.name
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|> (++) "https://package.elm-lang.org/packages/NoRedInk/noredink-ui/latest/"
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|> viewLink "view docs"
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, if showFocusLink then
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viewLink "see only this" ("#/doodad/" ++ example.name)
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else
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Html.text ""
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]
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, Html.div [ Attributes.css [ padding2 (px 20) zero ] ] (example.view example.state)
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]
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viewLink : String -> String -> Html msg
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viewLink text href =
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Html.a
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[ Attributes.href href
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, Attributes.css [ Css.display Css.block, marginLeft (px 20) ]
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]
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[ Html.text text
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]
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