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author | Jakub Hampl <kopomir@gmail.com> | 2018-06-20 15:56:35 +0100 |
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committer | Jakub Hampl <kopomir@gmail.com> | 2018-06-20 15:56:35 +0100 |
commit | 7eb8f3ea42fb1399bc9960697e9f6439fe5ec6cb (patch) | |
tree | 183cbf84ab1383ba11f9502f30db1270ffdd25cd /src/Mapbox | |
parent | 42d12f835708b15f6730cf0f3fdf6072de1e3002 (diff) |
Add basic Command module
Diffstat (limited to 'src/Mapbox')
-rw-r--r-- | src/Mapbox/Cmd.elm | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/Mapbox/Cmd.elm b/src/Mapbox/Cmd.elm new file mode 100644 index 0000000..510c627 --- /dev/null +++ b/src/Mapbox/Cmd.elm @@ -0,0 +1,58 @@ +module Mapbox.Cmd exposing (..) + +{-| This module has a bunch of essentially imperative commands for your map. + +However, since a published library can't have ports in it, you will need to do some setup. The easiest way to do this is to copy paste the following code into your app: + + import Json.Decode exposing (Value) + import Mapbox.Cmd as Cmd + + port elmMapboxOutgoing : Value -> Cmd msg + + port elmMapboxIncoming : (Cmd.Response -> msg) -> Sub msg + + mapId = + {- this is whatever the `id` attribute on your map is -} + "my-map" + + flyTo = + Cmd.flyTo elmMapboxOutgoing mapId + +-} + +import Json.Encode as Encode exposing (Value) +import Mapbox.Element exposing (LngLat, Viewport) + + +type alias Outgoing msg = + Value -> Cmd msg + + +type alias Id = + String + + +encodePair encoder ( a, b ) = + Encode.list [ encoder a, encoder b ] + + +fitBounds : Outgoing msg -> Id -> ( LngLat, LngLat ) -> Cmd msg +fitBounds prt id bounds = + prt <| + Encode.object + [ ( "command", Encode.string "fitBounds" ) + , ( "target", Encode.string id ) + , ( "bounds", encodePair (encodePair Encode.float) bounds ) + ] + + + +-- +-- +-- flyTo : Outgoing msg -> Id -> Viewport -> { curve : Float } -> Cmd msg +-- flyTo prt id desiredViewport options = +-- prt <| +-- Encode.object +-- [ ( "command", Encode.string "flyTo" ) +-- , ( "target", Encode.string id ) +-- ] |