- register screen: - smarter width-sensitive layout, with multi-commodity amounts on one line - items are sorted in date order - jumps to the latest item by default, with consistent scroll position - more prerendering, might speed up movement/paging slightly - themes! --theme to select, --help to list (current themes: default, terminal, greenterm) - border tweaks - dropped side borders, added side padding
		
			
				
	
	
		
			121 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			Haskell
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			Haskell
		
	
	
	
	
	
-- The accounts screen, showing accounts and balances like the CLI balance command.
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{-# LANGUAGE OverloadedStrings #-}
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module Hledger.UI.AccountsScreen
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 (screen)
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where
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import Control.Lens ((^.))
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-- import Control.Monad
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import Control.Monad.IO.Class
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-- import Data.Default
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import Data.List
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-- import Data.Monoid              -- 
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import Data.Time.Calendar (Day)
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import qualified Data.Vector as V
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import Graphics.Vty as Vty
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import Brick
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import Brick.Widgets.List
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-- import Brick.Widgets.Border
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-- import Brick.Widgets.Center
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import Hledger
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import Hledger.Cli hiding (progname,prognameandversion,green)
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-- import Hledger.Cli.Options (defaultBalanceLineFormat)
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import Hledger.UI.Options
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-- import Hledger.UI.Theme
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import Hledger.UI.UITypes
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import Hledger.UI.UIUtils
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import qualified Hledger.UI.RegisterScreen2 as RS2 (screen)
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screen = AccountsScreen{
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   asState  = list "accounts" V.empty 1
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  ,sInitFn    = initAccountsScreen
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  ,sDrawFn    = drawAccountsScreen
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  ,sHandleFn = handleAccountsScreen
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  }
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initAccountsScreen :: Day -> [String] -> AppState -> AppState
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initAccountsScreen d args st@AppState{aopts=opts, ajournal=j, aScreen=s@AccountsScreen{}} =
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  st{aScreen=s{asState=is'}}
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   where
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    is' = list (Name "accounts") (V.fromList items) 1
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    (items,_total) = balanceReport ropts q j
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      where
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        q = queryFromOpts d ropts
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             -- query_="cur:\\$"} -- XXX limit to one commodity to ensure one-line items
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             --{query_=unwords' $ locArgs l}
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        ropts = (reportopts_ cliopts)
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                {no_elide_=True}
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                {
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                  query_=unwords' args,
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                  balancetype_=HistoricalBalance -- XXX balanceReport doesn't respect this yet
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                }
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        cliopts = cliopts_ opts
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initAccountsScreen _ _ _ = error "init function called with wrong screen type, should not happen"
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drawAccountsScreen :: AppState -> [Widget]
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drawAccountsScreen st@AppState{aScreen=AccountsScreen{asState=is}} = [ui]
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    where
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      label = str "Account " <+> cur <+> str " of " <+> total
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      cur = str (case is^.listSelectedL of
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                  Nothing -> "-"
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                  Just i -> show (i + 1))
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      total = str $ show $ length $ is^.listElementsL
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      items = listElements is
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      flat = flat_ $ reportopts_ $ cliopts_ $ aopts st
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      acctcolwidth = maximum $
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                      V.map
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                       (\((full,short,indent),_) ->
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                         if flat then length full else length short + indent*2)
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                       items 
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      fmt = OneLine [ -- use a one-line format, List elements must have equal height
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               FormatField True (Just 2) Nothing DepthSpacerField
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             , FormatField True (Just acctcolwidth) Nothing AccountField
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             , FormatLiteral "  "
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             , FormatField False (Just 40) Nothing TotalField
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             ]
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      ui = defaultLayout label $ renderList is (drawAccountsItem fmt)
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drawAccountsScreen _ = error "draw function called with wrong screen type, should not happen"
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drawAccountsItem :: StringFormat -> Bool -> BalanceReportItem -> Widget
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drawAccountsItem fmt _sel item =
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  Widget Greedy Fixed $ do
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    -- c <- getContext
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    let
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      showitem = intercalate "\n" . balanceReportItemAsText defreportopts fmt
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    render $ str $ showitem item
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handleAccountsScreen :: AppState -> Vty.Event -> EventM (Next AppState)
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handleAccountsScreen st@AppState{aScreen=scr@AccountsScreen{asState=is}} e = do
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    d <- liftIO getCurrentDay
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    -- c <- getContext
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    -- let h = c^.availHeightL
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    --     moveSel n l = listMoveBy n l
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    case e of
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        Vty.EvKey Vty.KEsc []        -> halt st
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        Vty.EvKey (Vty.KChar 'q') [] -> halt st
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        Vty.EvKey (Vty.KLeft) []     -> continue $ popScreen st
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        Vty.EvKey (Vty.KRight) []    -> do
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          let st' = screenEnter d args RS2.screen st
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          vScrollToBeginning $ viewportScroll "register"
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          continue st'
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          where
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            args = case listSelectedElement is of
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                    Just (_, ((acct, _, _), _)) -> ["acct:"++accountNameToAccountRegex acct]
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                    Nothing -> []
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        -- Vty.EvKey (Vty.KPageDown) [] -> continue $ st{aScreen=scr{asState=moveSel h is}}
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        -- Vty.EvKey (Vty.KPageUp) []   -> continue $ st{aScreen=scr{asState=moveSel (-h) is}}
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        -- fall through to the list's event handler (handles up/down)
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        ev                       -> do
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                                     is' <- handleEvent ev is
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                                     continue $ st{aScreen=scr{asState=is'}}
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                                 -- continue =<< handleEventLensed st someLens ev
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handleAccountsScreen _ _ = error "event handler called with wrong screen type, should not happen"
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