Cleanup wizards-dialog
This commit is contained in:
parent
3499fb951f
commit
9b4c7e1d28
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@ -1,2 +0,0 @@
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# DO NOT HAND-EDIT THIS FILE
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import (import ./thunk.nix)
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{
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"owner": "obsidiansystems",
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"repo": "obelisk",
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"branch": "release/0.9.0.1",
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"private": false,
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"rev": "11beb6e8cd2419b2429925b76a98f24035e40985",
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"sha256": "0b4m33b7yyzsbkvfz2kwg4v9hlnvbjlmjikbvwd7pg52vy84and0"
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}
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@ -1,9 +0,0 @@
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# DO NOT HAND-EDIT THIS FILE
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let fetch = { private ? false, fetchSubmodules ? false, owner, repo, rev, sha256, ... }:
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if !fetchSubmodules && !private then builtins.fetchTarball {
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url = "https://github.com/${owner}/${repo}/archive/${rev}.tar.gz"; inherit sha256;
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} else (import <nixpkgs> {}).fetchFromGitHub {
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inherit owner repo rev sha256 fetchSubmodules private;
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};
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json = builtins.fromJSON (builtins.readFile ./github.json);
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in fetch json
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@ -1,142 +0,0 @@
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{-# LANGUAGE DerivingStrategies #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-# LANGUAGE GeneralizedNewtypeDeriving #-}
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{-# LANGUAGE MultiParamTypeClasses #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE PartialTypeSignatures #-}
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{-# LANGUAGE RankNTypes #-}
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{-# LANGUAGE ScopedTypeVariables #-}
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{-# LANGUAGE TypeOperators #-}
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module Dialog (
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runHaskeline,
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runClearingHaskeline,
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Menu (..),
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MenuEntry (..),
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menu,
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confirm,
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getLineWithDefaultAndSuggestions
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) where
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import Control.Applicative (Alternative ((<|>)))
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import Control.Monad (MonadPlus (mzero))
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import Control.Monad.IO.Class
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import Data.Char (
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isLower,
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isUpper,
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toLower,
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toUpper,
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)
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import Data.List
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import Data.Maybe
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import Data.Text (Text)
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import System.Console.ANSI
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import System.Console.Haskeline
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import System.Console.Wizard
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import System.Console.Wizard.Haskeline
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import System.Console.Wizard.Internal
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import Witch
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newtype ClearingHaskeline a = ClearingHaskeline {runClearing :: InputT IO a} deriving newtype (Functor, Applicative, Monad)
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instance Run ClearingHaskeline Haskeline where
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runAlgebra =
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ClearingHaskeline . prependClearing . runAlgebra . fmap runClearing
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where
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prependClearing a = liftIO (clearScreen >> setCursorPosition 0 0) >> a
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data MenuEntry a = Option Text a | SubMenu (Menu a) deriving (Show)
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data Menu a = Menu Text [MenuEntry a]
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deriving (Show)
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cancelCharacter :: Char
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cancelCharacter = '.'
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menu ::
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forall a m.
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(Character :<: m, Show a) =>
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Maybe Text ->
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Menu a ->
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Wizard m a
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menu = runMenu True
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where
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runMenu top prompt thisMenu@(Menu name options) = do
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response <-
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retry . validator (`elem` hotkeys) $
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character
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(intercalate "\n" wholePrompt)
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case lookup (toLower response) mappings of
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Just (Option _ a) -> pure a
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Just (SubMenu submenu) ->
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runMenu False prompt submenu <|> runMenu True prompt thisMenu
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Nothing -> mzero
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where
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hotkeys :: [Char]
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mappings :: [(Char, MenuEntry a)]
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(hotkeys, mappings) = foldr foldMappings ([cancelCharacter], []) options
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foldMappings ::
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MenuEntry a ->
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([Char], [(Char, MenuEntry a)]) ->
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([Char], [(Char, MenuEntry a)])
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foldMappings option accu@(accuHotkeys, accuMappings)
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| Just hotkey <- chooseHotkey accuHotkeys (getLabel option) =
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(hotkey : accuHotkeys, accuMappings <> [(hotkey, option)])
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| otherwise =
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accu
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chooseHotkey :: [Char] -> [Char] -> Maybe Char
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chooseHotkey used label =
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find (`notElem` used) $
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toLower
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<$> filter isUpper label
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<> filter isLower label
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<> label
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getLabel :: MenuEntry a -> String
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getLabel (Option label _) = into label
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getLabel (SubMenu (Menu label _)) = into label
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wholePrompt :: [String]
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wholePrompt =
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maybe id (:) (into <$> prompt) $
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into name :
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(if top then ".: Leave Menu" else ".: Back") :
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((promptLabel <$> mappings) <> ["> "])
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promptLabel :: (Char, MenuEntry a) -> [Char]
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promptLabel (c, option) = toUpper c : (": " <> getLabel option)
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confirm :: Character :<: m => Text -> Wizard m Bool
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confirm prompt =
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menu Nothing $ Menu prompt [Option "Yes" True, Option "No" False]
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-- From Hledger.Cli.Commands.Add
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withCompletion ::
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(WithSettings :<: m) => CompletionFunc IO -> Wizard m a -> Wizard m a
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withCompletion c = withSettings (setComplete c defaultSettings)
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getLineWithDefaultAndSuggestions ::
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(WithSettings :<: m, LinePrewritten :<: m) =>
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PromptString ->
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Maybe String ->
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[String] ->
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Wizard m String
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getLineWithDefaultAndSuggestions prompt startInput completions =
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retry . withCompletion completeFunc $
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linePrewritten
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(prompt <> "\n> ")
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prewritten
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""
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where
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completeFunc (before, _) = pure ("", simpleCompletion <$> match completions)
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where
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match = filter (isInfixOf $ reverse before)
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prewritten = fromMaybe "" startInput
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runHaskeline :: MonadIO m => Wizard Haskeline a -> m (Maybe a)
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runHaskeline = liftIO . runInputT defaultSettings . run
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runClearingHaskeline :: MonadIO m => Wizard Haskeline a -> m (Maybe a)
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runClearingHaskeline = liftIO . runInputT defaultSettings . runClearing . run
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@ -1,59 +0,0 @@
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cabal-version: >=1.10
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-- Initial package description 'haskell-dialog.cabal' generated by 'cabal
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-- init'. For further documentation, see
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-- http://haskell.org/cabal/users-guide/
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name: wizards-dialog
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version: 0.1.0.0
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-- synopsis:
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-- description:
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-- bug-reports:
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license: AGPL
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author: Malte Brandy
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maintainer: malte.brandy@maralorn.de
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-- copyright:
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-- category:
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build-type: Simple
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extra-source-files: CHANGELOG.md
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library
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ghc-options: -Wall
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exposed-modules: Dialog
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-- other-extensions:
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build-depends:
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base >=4.13
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, haskeline
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, wizards
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, ansi-terminal
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, text
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, witch
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, relude
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, process
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-- hs-source-dirs:
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default-language: Haskell2010
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executable hotkeys
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main-is: Main.hs
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ghc-options: -Wall
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-- other-extensions:
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build-depends:
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base >=4.13
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, aeson >= 2.0.1.0
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, haskeline
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, daemons
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, ansi-terminal
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, text
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, relude
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, process
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, witch
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, wizards
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, wizards-dialog
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, yaml
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-- hs-source-dirs:
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default-language: Haskell2010
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142
apps/wizards-dialog/Dialog.hs
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142
apps/wizards-dialog/Dialog.hs
Normal file
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@ -0,0 +1,142 @@
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{-# LANGUAGE DerivingStrategies #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-# LANGUAGE GeneralizedNewtypeDeriving #-}
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{-# LANGUAGE MultiParamTypeClasses #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE PartialTypeSignatures #-}
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{-# LANGUAGE RankNTypes #-}
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{-# LANGUAGE ScopedTypeVariables #-}
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{-# LANGUAGE TypeOperators #-}
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module Dialog (
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runHaskeline,
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runClearingHaskeline,
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Menu (..),
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MenuEntry (..),
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menu,
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confirm,
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getLineWithDefaultAndSuggestions,
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) where
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import Control.Applicative (Alternative ((<|>)))
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import Control.Monad (MonadPlus (mzero))
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import Control.Monad.IO.Class
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import Data.Char (
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isLower,
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isUpper,
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toLower,
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toUpper,
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)
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import Data.List
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import Data.Maybe
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import Data.Text (Text)
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import System.Console.ANSI
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import System.Console.Haskeline
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import System.Console.Wizard
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import System.Console.Wizard.Haskeline
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import System.Console.Wizard.Internal
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import Witch
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newtype ClearingHaskeline a = ClearingHaskeline {runClearing :: InputT IO a} deriving newtype (Functor, Applicative, Monad)
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instance Run ClearingHaskeline Haskeline where
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runAlgebra =
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ClearingHaskeline . prependClearing . runAlgebra . fmap runClearing
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where
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prependClearing a = liftIO (clearScreen >> setCursorPosition 0 0) >> a
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data MenuEntry a = Option Text a | SubMenu (Menu a) deriving (Show)
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data Menu a = Menu Text [MenuEntry a]
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deriving (Show)
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cancelCharacter :: Char
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cancelCharacter = '.'
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menu ::
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forall a m.
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(Character :<: m, Show a) =>
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Maybe Text ->
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Menu a ->
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Wizard m a
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menu = runMenu True
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where
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runMenu top prompt thisMenu@(Menu name options) = do
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response <-
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retry . validator (`elem` hotkeys) $
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character
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(intercalate "\n" wholePrompt)
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case lookup (toLower response) mappings of
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Just (Option _ a) -> pure a
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Just (SubMenu submenu) ->
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runMenu False prompt submenu <|> runMenu True prompt thisMenu
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Nothing -> mzero
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where
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hotkeys :: [Char]
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mappings :: [(Char, MenuEntry a)]
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(hotkeys, mappings) = foldr foldMappings ([cancelCharacter], []) options
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foldMappings ::
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MenuEntry a ->
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([Char], [(Char, MenuEntry a)]) ->
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([Char], [(Char, MenuEntry a)])
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foldMappings option accu@(accuHotkeys, accuMappings)
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| Just hotkey <- chooseHotkey accuHotkeys (getLabel option) =
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(hotkey : accuHotkeys, accuMappings <> [(hotkey, option)])
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| otherwise =
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accu
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chooseHotkey :: [Char] -> [Char] -> Maybe Char
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chooseHotkey used label =
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find (`notElem` used) $
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toLower
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<$> filter isUpper label
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<> filter isLower label
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<> label
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getLabel :: MenuEntry a -> String
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getLabel (Option label _) = into label
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getLabel (SubMenu (Menu label _)) = into label
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wholePrompt :: [String]
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wholePrompt =
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maybe id ((:) . into) prompt $
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into name
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: (if top then ".: Leave Menu" else ".: Back")
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: ((promptLabel <$> mappings) <> ["> "])
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promptLabel :: (Char, MenuEntry a) -> [Char]
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promptLabel (c, option) = toUpper c : (": " <> getLabel option)
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confirm :: Character :<: m => Text -> Wizard m Bool
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confirm prompt =
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menu Nothing $ Menu prompt [Option "Yes" True, Option "No" False]
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-- From Hledger.Cli.Commands.Add
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withCompletion ::
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(WithSettings :<: m) => CompletionFunc IO -> Wizard m a -> Wizard m a
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withCompletion c = withSettings (setComplete c defaultSettings)
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getLineWithDefaultAndSuggestions ::
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(WithSettings :<: m, LinePrewritten :<: m) =>
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PromptString ->
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Maybe String ->
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[String] ->
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Wizard m String
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getLineWithDefaultAndSuggestions prompt startInput completions =
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retry . withCompletion completeFunc $
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linePrewritten
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(prompt <> "\n> ")
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prewritten
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""
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where
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completeFunc (before, _) = pure ("", simpleCompletion <$> match completions)
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where
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match = filter (isInfixOf $ reverse before)
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prewritten = fromMaybe "" startInput
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runHaskeline :: MonadIO m => Wizard Haskeline a -> m (Maybe a)
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runHaskeline = liftIO . runInputT defaultSettings . run
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runClearingHaskeline :: MonadIO m => Wizard Haskeline a -> m (Maybe a)
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runClearingHaskeline = liftIO . runInputT defaultSettings . runClearing . run
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@ -22,27 +22,27 @@ import Dialog (Menu (..), MenuEntry (Option, SubMenu), menu, runClearingHaskelin
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data Command = Run Text | Fork Text deriving (Show)
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instance FromJSON (Menu Command) where
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parseJSON = parseMenu "Hotkeys"
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where
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parseList name = (fmap (Menu name) .) $
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mapM $ \(Key.toText -> key, val) ->
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case val of
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String cmd -> pure $ Dialog.Option key (text2cmd cmd)
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innerObj -> Dialog.SubMenu <$> parseMenu key innerObj
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unpackMenu (Array arr) = join <$> mapM unpackMenu (reverse $ Foldable.toList arr)
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unpackMenu value = withObject "mapping to menu entries" (pure . reverse . Aeson.toList) value
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parseMenu name = parseList name <=< unpackMenu
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text2cmd t = if Text.isPrefixOf "fork " t then Fork (Text.drop 5 t) else Run t
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parseJSON = parseMenu "Hotkeys"
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where
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parseList name = (fmap (Menu name) .) $
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mapM $ \(Key.toText -> key, val) ->
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case val of
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String cmd -> pure $ Dialog.Option key (text2cmd cmd)
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innerObj -> Dialog.SubMenu <$> parseMenu key innerObj
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unpackMenu (Array arr) = join <$> mapM unpackMenu (reverse $ Foldable.toList arr)
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unpackMenu value = withObject "mapping to menu entries" (pure . reverse . Aeson.toList) value
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parseMenu name = parseList name <=< unpackMenu
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text2cmd t = if Text.isPrefixOf "fork " t then Fork (Text.drop 5 t) else Run t
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main :: IO ()
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main = do
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[menuFileName] <- getArgs
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menuCommand <- decodeFileEither menuFileName
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case menuCommand of
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Left err -> print err
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Right a -> do
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cmd <- runClearingHaskeline $ menu Nothing a
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maybe pass runCommand cmd
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[menuFileName] <- getArgs
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menuCommand <- decodeFileEither menuFileName
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case menuCommand of
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Left err -> print err
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Right a -> do
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cmd <- runClearingHaskeline $ menu Nothing a
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maybe pass runCommand cmd
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runCommand :: Command -> IO ()
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runCommand (Run cmd) = callCommand $ into cmd
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