3bdd8916b9
This uses a clunky hack for now. To adapt to a window resize, you must exit and re-enter the register screen (maybe twice).
123 lines
4.8 KiB
Haskell
123 lines
4.8 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 qualified 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.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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{query_=unwords' args}
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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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box = borderWithLabel label $
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-- hLimit 25 $
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-- vLimit 15 $
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renderList is (drawAccountsItem fmt)
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ui = box
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_ui = vCenter $ vBox [ hCenter box
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, str " "
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, hCenter $ str "Press Esc to exit."
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]
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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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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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let selStr i = if sel
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then withAttr customAttr (str $ showitem i)
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else str $ showitem i
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showitem = intercalate "\n" . balanceReportItemAsText defreportopts fmt
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in
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selStr 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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(w,h) <- getViewportSize "accounts"
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continue $ screenEnter d args RS2.screen{rs2Size=(w,h)} 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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