1
1
mirror of https://github.com/qvacua/vimr.git synced 2024-12-01 10:02:36 +03:00
vimr/VimR/UiRootTransformer.swift
2017-02-28 19:21:22 +01:00

40 lines
897 B
Swift

/**
* Tae Won Ha - http://taewon.de - @hataewon
* See LICENSE
*/
import Foundation
import RxSwift
class UiRootTransformer: Transformer {
typealias Pair = StateActionPair<AppState, UuidAction<MainWindow.Action>>
func transform(_ source: Observable<Pair>) -> Observable<Pair> {
return source.map { pair in
var appState = pair.state
let uuid = pair.action.uuid
switch pair.action.payload {
case .becomeKey:
appState.currentMainWindowUuid = uuid
appState.mainWindowTemplate = appState.mainWindows[uuid] ?? appState.mainWindowTemplate
case .close:
if appState.currentMainWindowUuid == uuid {
appState.currentMainWindowUuid = nil
}
appState.mainWindows.removeValue(forKey: uuid)
default:
return pair
}
return StateActionPair(state: appState, action: pair.action)
}
}
}