16bb17fbe8
-E/--empty is now the default for hledger-ui, so accounts with 0 balance and transactions posting 0 change are shown by default. The E key toggles this, entering "nonzero" mode which hides zero items.
241 lines
9.7 KiB
Haskell
241 lines
9.7 KiB
Haskell
-- The account register screen, showing transactions in an account, like hledger-web's register.
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{-# LANGUAGE OverloadedStrings, FlexibleContexts #-}
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module Hledger.UI.RegisterScreen
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(screen
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,rsSetCurrentAccount
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)
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where
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import Lens.Micro ((^.))
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import Control.Monad.IO.Class (liftIO)
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import Data.List
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import Data.List.Split (splitOn)
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import Data.Monoid
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-- import Data.Maybe
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-- import Data.Text (Text)
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import qualified Data.Text as T
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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 (borderAttr)
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-- import Brick.Widgets.Center
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-- import Text.Printf
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import Hledger
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import Hledger.Cli hiding (progname,prognameandversion,green)
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import Hledger.UI.UIOptions
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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.TransactionScreen as TS (screen)
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import qualified Hledger.UI.ErrorScreen as ES (screen)
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screen = RegisterScreen{
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rsState = (list "register" V.empty 1, "")
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,sInitFn = initRegisterScreen
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,sDrawFn = drawRegisterScreen
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,sHandleFn = handleRegisterScreen
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}
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rsSetCurrentAccount a scr@RegisterScreen{rsState=(l,_)} = scr{rsState=(l,a)}
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rsSetCurrentAccount _ scr = scr
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initRegisterScreen :: Day -> AppState -> AppState
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initRegisterScreen d st@AppState{aopts=opts, ajournal=j, aScreen=s@RegisterScreen{rsState=(_,acct)}} =
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st{aScreen=s{rsState=(l,acct)}}
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where
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-- gather arguments and queries
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ropts = (reportopts_ $ cliopts_ opts)
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{
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depth_=Nothing,
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balancetype_=HistoricalBalance
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}
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-- XXX temp
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thisacctq = Acct $ accountNameToAccountRegex acct -- includes subs
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q = filterQuery (not . queryIsDepth) $ queryFromOpts d ropts
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(_label,items) = accountTransactionsReport ropts j q thisacctq
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items' = (if empty_ ropts then id else filter ((/=0) . fifth6)) $ -- exclude zero-change txns unless --empty
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reverse -- most recent last
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items
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-- pre-render all items; these will be the List elements. This helps calculate column widths.
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displayitems = map displayitem items'
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where
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displayitem (t, _, _issplit, otheracctsstr, change, bal) =
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(showDate $ tdate t
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,T.unpack $ tdescription t
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,case splitOn ", " otheracctsstr of
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[s] -> s
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ss -> intercalate ", " ss
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-- _ -> "<split>" -- should do this if accounts field width < 30
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,showMixedAmountOneLineWithoutPrice change
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,showMixedAmountOneLineWithoutPrice bal
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,t
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)
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-- build the List, moving the selection to the end
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l = listMoveTo (length items) $
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list (Name "register") (V.fromList displayitems) 1
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-- (listName someList)
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initRegisterScreen _ _ = error "init function called with wrong screen type, should not happen"
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drawRegisterScreen :: AppState -> [Widget]
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drawRegisterScreen AppState{aopts=UIOpts{cliopts_=CliOpts{reportopts_=ropts}}
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,aScreen=RegisterScreen{rsState=(l,acct)}} = [ui]
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where
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toplabel = withAttr ("border" <> "bold") (str $ T.unpack acct)
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<+> togglefilters
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<+> str " transactions"
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-- <+> borderQueryStr querystr -- no, account transactions report shows all transactions in the acct ?
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-- <+> str " and subs"
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<+> str " ("
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<+> cur
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<+> str "/"
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<+> total
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<+> str ")"
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togglefilters =
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case concat [
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if cleared_ ropts then ["cleared"] else []
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,if real_ ropts then ["real"] else []
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,if empty_ ropts then [] else ["nonzero"]
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] of
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[] -> str ""
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fs -> withAttr (borderAttr <> "query") (str $ " " ++ intercalate ", " fs)
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cur = str $ case l^.listSelectedL of
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Nothing -> "-"
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Just i -> show (i + 1)
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total = str $ show $ length displayitems
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displayitems = V.toList $ l^.listElementsL
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-- query = query_ $ reportopts_ $ cliopts_ opts
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ui = Widget Greedy Greedy $ do
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-- calculate column widths, based on current available width
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c <- getContext
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let
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totalwidth = c^.availWidthL
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- 2 -- XXX due to margin ? shouldn't be necessary (cf UIUtils)
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-- the date column is fixed width
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datewidth = 10
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-- multi-commodity amounts rendered on one line can be
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-- arbitrarily wide. Give the two amounts as much space as
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-- they need, while reserving a minimum of space for other
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-- columns and whitespace. If they don't get all they need,
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-- allocate it to them proportionally to their maximum widths.
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whitespacewidth = 10 -- inter-column whitespace, fixed width
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minnonamtcolswidth = datewidth + 2 + 2 -- date column plus at least 2 for desc and accts
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maxamtswidth = max 0 (totalwidth - minnonamtcolswidth - whitespacewidth)
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maxchangewidthseen = maximum' $ map (strWidth . fourth6) displayitems
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maxbalwidthseen = maximum' $ map (strWidth . fifth6) displayitems
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changewidthproportion = fromIntegral maxchangewidthseen / fromIntegral (maxchangewidthseen + maxbalwidthseen)
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maxchangewidth = round $ changewidthproportion * fromIntegral maxamtswidth
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maxbalwidth = maxamtswidth - maxchangewidth
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changewidth = min maxchangewidth maxchangewidthseen
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balwidth = min maxbalwidth maxbalwidthseen
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-- assign the remaining space to the description and accounts columns
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-- maxdescacctswidth = totalwidth - (whitespacewidth - 4) - changewidth - balwidth
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maxdescacctswidth =
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-- trace (show (totalwidth, datewidth, changewidth, balwidth, whitespacewidth)) $
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max 0 (totalwidth - datewidth - changewidth - balwidth - whitespacewidth)
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-- allocating proportionally.
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-- descwidth' = maximum' $ map (strWidth . second6) displayitems
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-- acctswidth' = maximum' $ map (strWidth . third6) displayitems
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-- descwidthproportion = (descwidth' + acctswidth') / descwidth'
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-- maxdescwidth = min (maxdescacctswidth - 7) (maxdescacctswidth / descwidthproportion)
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-- maxacctswidth = maxdescacctswidth - maxdescwidth
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-- descwidth = min maxdescwidth descwidth'
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-- acctswidth = min maxacctswidth acctswidth'
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-- allocating equally.
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descwidth = maxdescacctswidth `div` 2
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acctswidth = maxdescacctswidth - descwidth
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colwidths = (datewidth,descwidth,acctswidth,changewidth,balwidth)
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bottomlabel = borderKeysStr [
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-- ("up/down/pgup/pgdown/home/end", "move")
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("left", "back")
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,("E", "nonzero?")
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,("C", "cleared?")
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,("R", "real?")
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,("right/enter", "transaction")
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,("g", "reload")
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,("q", "quit")
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]
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render $ defaultLayout toplabel bottomlabel $ renderList l (drawRegisterItem colwidths)
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drawRegisterScreen _ = error "draw function called with wrong screen type, should not happen"
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drawRegisterItem :: (Int,Int,Int,Int,Int) -> Bool -> (String,String,String,String,String,Transaction) -> Widget
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drawRegisterItem (datewidth,descwidth,acctswidth,changewidth,balwidth) selected (date,desc,accts,change,bal,_) =
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Widget Greedy Fixed $ do
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render $
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str (fitString (Just datewidth) (Just datewidth) True True date) <+>
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str " " <+>
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str (fitString (Just descwidth) (Just descwidth) True True desc) <+>
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str " " <+>
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str (fitString (Just acctswidth) (Just acctswidth) True True accts) <+>
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str " " <+>
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withAttr changeattr (str (fitString (Just changewidth) (Just changewidth) True False change)) <+>
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str " " <+>
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withAttr balattr (str (fitString (Just balwidth) (Just balwidth) True False bal))
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where
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changeattr | '-' `elem` change = sel $ "list" <> "amount" <> "decrease"
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| otherwise = sel $ "list" <> "amount" <> "increase"
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balattr | '-' `elem` bal = sel $ "list" <> "balance" <> "negative"
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| otherwise = sel $ "list" <> "balance" <> "positive"
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sel | selected = (<> "selected")
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| otherwise = id
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handleRegisterScreen :: AppState -> Vty.Event -> EventM (Next AppState)
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handleRegisterScreen st@AppState{
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aScreen=s@RegisterScreen{rsState=(l,acct)}
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,aopts=UIOpts{cliopts_=copts}
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,ajournal=j
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} e = do
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d <- liftIO getCurrentDay
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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.KChar 'g') [] -> do
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(ej, _) <- liftIO $ journalReloadIfChanged copts d j
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case ej of
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Right j' -> continue $ reload j' d st
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Left err -> continue $ screenEnter d ES.screen{esState=err} st
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Vty.EvKey (Vty.KChar 'E') [] -> continue $ reload j d $ stToggleEmpty st
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Vty.EvKey (Vty.KChar 'C') [] -> continue $ reload j d $ stToggleCleared st
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Vty.EvKey (Vty.KChar 'R') [] -> continue $ reload j d $ stToggleReal st
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Vty.EvKey (Vty.KLeft) [] -> continue $ popScreen st
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Vty.EvKey (k) [] | k `elem` [Vty.KRight, Vty.KEnter] -> do
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case listSelectedElement l of
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Just (_, (_, _, _, _, _, t)) ->
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let
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ts = map sixth6 $ V.toList $ listElements l
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numberedts = zip [1..] ts
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i = fromIntegral $ maybe 0 (+1) $ elemIndex t ts -- XXX
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in
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continue $ screenEnter d TS.screen{tsState=((i,t),numberedts,acct)} st
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Nothing -> continue st
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-- fall through to the list's event handler (handles [pg]up/down)
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ev -> do
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l' <- handleEvent ev l
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continue st{aScreen=s{rsState=(l',acct)}}
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-- continue =<< handleEventLensed st someLens ev
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handleRegisterScreen _ _ = error "event handler called with wrong screen type, should not happen"
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