316 lines
14 KiB
Haskell
316 lines
14 KiB
Haskell
-- The accounts screen, showing accounts and balances like the CLI balance command.
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE RecordWildCards #-}
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module Hledger.UI.AccountsScreen
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(accountsScreen
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,asInit
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,asSetSelectedAccount
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)
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where
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import Brick
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import Brick.Widgets.List
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import Brick.Widgets.Edit
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import Brick.Widgets.Border (borderAttr)
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import Control.Monad.IO.Class (liftIO)
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import Data.List
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import Data.Maybe
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import Data.Monoid
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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
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import Lens.Micro.Platform
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import System.Console.ANSI
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import System.FilePath (takeFileName)
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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.UITypes
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import Hledger.UI.UIState
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import Hledger.UI.UIUtils
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import Hledger.UI.RegisterScreen
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import Hledger.UI.ErrorScreen
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accountsScreen :: Screen
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accountsScreen = AccountsScreen{
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sInit = asInit
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,sDraw = asDraw
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,sHandle = asHandle
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,_asList = list "accounts" V.empty 1
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,_asSelectedAccount = ""
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}
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asInit :: Day -> Bool -> UIState -> UIState
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asInit d reset ui@UIState{
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aopts=uopts@UIOpts{cliopts_=copts@CliOpts{reportopts_=ropts}},
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ajournal=j,
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aScreen=s@AccountsScreen{}
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} =
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ui{aopts=uopts', aScreen=s & asList .~ newitems'}
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where
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newitems = list (Name "accounts") (V.fromList displayitems) 1
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-- keep the selection near the last selected account
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-- (may need to move to the next leaf account when entering flat mode)
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newitems' = listMoveTo selidx newitems
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where
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selidx = case (reset, listSelectedElement $ s ^. asList) of
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(True, _) -> 0
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(_, Nothing) -> 0
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(_, Just (_,AccountsScreenItem{asItemAccountName=a})) -> fromMaybe (fromMaybe 0 mprefixmatch) mexactmatch
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where
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mexactmatch = findIndex ((a ==) . asItemAccountName) displayitems
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mprefixmatch = findIndex ((a `isAccountNamePrefixOf`) . asItemAccountName) displayitems
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uopts' = uopts{cliopts_=copts{reportopts_=ropts'}}
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ropts' = ropts {
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-- XXX balanceReport doesn't respect this yet
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balancetype_=HistoricalBalance
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}
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q = queryFromOpts d ropts
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-- maybe convert balances to market value
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convert | value_ ropts' = balanceReportValue j valuedate
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| otherwise = id
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where
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valuedate = fromMaybe d $ queryEndDate False q
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-- run the report
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(items,_total) = convert $ balanceReport ropts' q j
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-- pre-render the list items
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displayitem ((fullacct, shortacct, indent), bal) =
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AccountsScreenItem{asItemIndentLevel = indent
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,asItemAccountName = fullacct
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,asItemDisplayAccountName = replaceHiddenAccountsNameWith "All" $ if flat_ ropts' then fullacct else shortacct
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,asItemRenderedAmounts = map showAmountWithoutPrice amts -- like showMixedAmountOneLineWithoutPrice
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}
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where
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Mixed amts = normaliseMixedAmountSquashPricesForDisplay $ stripPrices bal
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stripPrices (Mixed as) = Mixed $ map stripprice as where stripprice a = a{aprice=NoPrice}
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displayitems = map displayitem items
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asInit _ _ _ = error "init function called with wrong screen type, should not happen"
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asDraw :: UIState -> [Widget]
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asDraw UIState{aopts=UIOpts{cliopts_=CliOpts{reportopts_=ropts}}
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,ajournal=j
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,aScreen=s@AccountsScreen{}
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,aMode=mode
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} =
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case mode of
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Help -> [helpDialog, maincontent]
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-- Minibuffer e -> [minibuffer e, maincontent]
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_ -> [maincontent]
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where
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toplabel = files
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<+> nonzero
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<+> str " accounts"
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<+> withAttr (borderAttr <> "query") (str (if flat_ ropts then " (flat)" else ""))
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<+> borderQueryStr querystr
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<+> togglefilters
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<+> borderDepthStr mdepth
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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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files = case journalFilePaths j of
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[] -> str ""
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f:_ -> withAttr ("border" <> "bold") $ str $ takeFileName f
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-- [f,_:[]] -> (withAttr ("border" <> "bold") $ str $ takeFileName f) <+> str " (& 1 included file)"
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-- f:fs -> (withAttr ("border" <> "bold") $ str $ takeFileName f) <+> str (" (& " ++ show (length fs) ++ " included files)")
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querystr = query_ ropts
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mdepth = depth_ ropts
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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 uncleared_ ropts then ["uncleared"] else []
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,if pending_ ropts then ["pending"] else []
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,if real_ ropts then ["real"] else []
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] of
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[] -> str ""
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fs -> str " with " <+> withAttr (borderAttr <> "query") (str $ intercalate ", " fs) <+> str " txns"
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nonzero | empty_ ropts = str ""
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| otherwise = withAttr (borderAttr <> "query") (str " nonzero")
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cur = str (case s ^. asList ^. listSelectedL of -- XXX second ^. required here but not below..
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Nothing -> "-"
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Just i -> show (i + 1))
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total = str $ show $ V.length $ s ^. asList . listElementsL
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maincontent = Widget Greedy Greedy $ do
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c <- getContext
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let
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availwidth =
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-- ltrace "availwidth" $
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c^.availWidthL
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- 2 -- XXX due to margin ? shouldn't be necessary (cf UIUtils)
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displayitems = s ^. asList . listElementsL
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maxacctwidthseen =
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-- ltrace "maxacctwidthseen" $
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V.maximum $
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V.map (\AccountsScreenItem{..} -> asItemIndentLevel*2 + textWidth asItemDisplayAccountName) $
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-- V.filter (\(indent,_,_,_) -> (indent-1) <= fromMaybe 99999 mdepth) $
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displayitems
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maxbalwidthseen =
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-- ltrace "maxbalwidthseen" $
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V.maximum $ V.map (\AccountsScreenItem{..} -> sum (map strWidth asItemRenderedAmounts) + 2 * (length asItemRenderedAmounts - 1)) displayitems
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maxbalwidth =
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-- ltrace "maxbalwidth" $
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max 0 (availwidth - 2 - 4) -- leave 2 whitespace plus least 4 for accts
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balwidth =
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-- ltrace "balwidth" $
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min maxbalwidth maxbalwidthseen
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maxacctwidth =
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-- ltrace "maxacctwidth" $
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availwidth - 2 - balwidth
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acctwidth =
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-- ltrace "acctwidth" $
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min maxacctwidth maxacctwidthseen
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-- XXX how to minimise the balance column's jumping around
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-- as you change the depth limit ?
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colwidths = (acctwidth, balwidth)
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render $ defaultLayout toplabel bottomlabel $ renderList (s ^. asList) (asDrawItem colwidths)
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where
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bottomlabel = case mode of
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Minibuffer ed -> minibuffer ed
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_ -> quickhelp
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quickhelp = borderKeysStr [
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("h", "help")
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,("right", "register")
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,("F", "flat?")
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,("-+0123456789", "depth")
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--,("/", "filter")
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--,("DEL", "unfilter")
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--,("ESC", "cancel/top")
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,("a", "add")
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,("g", "reload")
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,("q", "quit")
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]
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asDraw _ = error "draw function called with wrong screen type, should not happen"
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asDrawItem :: (Int,Int) -> Bool -> AccountsScreenItem -> Widget
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asDrawItem (acctwidth, balwidth) selected AccountsScreenItem{..} =
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Widget Greedy Fixed $ do
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-- c <- getContext
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-- let showitem = intercalate "\n" . balanceReportItemAsText defreportopts fmt
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render $
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addamts asItemRenderedAmounts $
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str (T.unpack $ fitText (Just acctwidth) (Just acctwidth) True True $ T.replicate (2*asItemIndentLevel) " " <> asItemDisplayAccountName) <+>
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str " " <+>
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str (balspace asItemRenderedAmounts)
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where
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balspace as = replicate n ' '
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where n = max 0 (balwidth - (sum (map strWidth as) + 2 * (length as - 1)))
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addamts :: [String] -> Widget -> Widget
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addamts [] w = w
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addamts [a] w = (<+> renderamt a) w
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-- foldl' :: (b -> a -> b) -> b -> t a -> b
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-- foldl' (Widget -> String -> Widget) -> Widget -> [String] -> Widget
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addamts (a:as) w = foldl' addamt (addamts [a] w) as
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addamt :: Widget -> String -> Widget
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addamt w a = ((<+> renderamt a) . (<+> str ", ")) w
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renderamt :: String -> Widget
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renderamt a | '-' `elem` a = withAttr (sel $ "list" <> "balance" <> "negative") $ str a
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| otherwise = withAttr (sel $ "list" <> "balance" <> "positive") $ str a
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sel | selected = (<> "selected")
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| otherwise = id
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asHandle :: UIState -> Event -> EventM (Next UIState)
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asHandle ui0@UIState{
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aScreen=scr@AccountsScreen{..}
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,aopts=UIOpts{cliopts_=copts}
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,ajournal=j
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,aMode=mode
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} ev = 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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-- save the currently selected account, in case we leave this screen and lose the selection
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let
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selacct = case listSelectedElement $ scr ^. asList of
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Just (_, AccountsScreenItem{..}) -> asItemAccountName
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Nothing -> scr ^. asSelectedAccount
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ui = ui0{aScreen=scr & asSelectedAccount .~ selacct}
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case mode of
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Minibuffer ed ->
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case ev of
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EvKey KEsc [] -> continue $ closeMinibuffer ui
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EvKey KEnter [] -> continue $ regenerateScreens j d $ setFilter s $ closeMinibuffer ui
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where s = chomp $ unlines $ getEditContents ed
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ev -> do ed' <- handleEvent ev ed
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continue $ ui{aMode=Minibuffer ed'}
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Help ->
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case ev of
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EvKey (KChar 'q') [] -> halt ui
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_ -> helpHandle ui ev
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Normal ->
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case ev of
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EvKey (KChar 'q') [] -> halt ui
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-- EvKey (KChar 'l') [MCtrl] -> do
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EvKey KEsc [] -> continue $ resetScreens d ui
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EvKey (KChar c) [] | c `elem` ['h','?'] -> continue $ setMode Help ui
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EvKey (KChar 'g') [] -> liftIO (uiReloadJournalIfChanged copts d j ui) >>= continue
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EvKey (KChar 'a') [] -> suspendAndResume $ clearScreen >> setCursorPosition 0 0 >> add copts j >> uiReloadJournalIfChanged copts d j ui
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EvKey (KChar '0') [] -> continue $ regenerateScreens j d $ setDepth (Just 0) ui
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EvKey (KChar '1') [] -> continue $ regenerateScreens j d $ setDepth (Just 1) ui
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EvKey (KChar '2') [] -> continue $ regenerateScreens j d $ setDepth (Just 2) ui
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EvKey (KChar '3') [] -> continue $ regenerateScreens j d $ setDepth (Just 3) ui
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EvKey (KChar '4') [] -> continue $ regenerateScreens j d $ setDepth (Just 4) ui
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EvKey (KChar '5') [] -> continue $ regenerateScreens j d $ setDepth (Just 5) ui
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EvKey (KChar '6') [] -> continue $ regenerateScreens j d $ setDepth (Just 6) ui
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EvKey (KChar '7') [] -> continue $ regenerateScreens j d $ setDepth (Just 7) ui
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EvKey (KChar '8') [] -> continue $ regenerateScreens j d $ setDepth (Just 8) ui
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EvKey (KChar '9') [] -> continue $ regenerateScreens j d $ setDepth (Just 9) ui
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EvKey (KChar '-') [] -> continue $ regenerateScreens j d $ decDepth ui
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EvKey (KChar '_') [] -> continue $ regenerateScreens j d $ decDepth ui
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EvKey (KChar c) [] | c `elem` ['+','='] -> continue $ regenerateScreens j d $ incDepth ui
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EvKey (KChar 'F') [] -> continue $ regenerateScreens j d $ toggleFlat ui
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EvKey (KChar 'E') [] -> scrollTop >> (continue $ regenerateScreens j d $ toggleEmpty ui)
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EvKey (KChar 'C') [] -> scrollTop >> (continue $ regenerateScreens j d $ toggleCleared ui)
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EvKey (KChar 'U') [] -> scrollTop >> (continue $ regenerateScreens j d $ toggleUncleared ui)
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EvKey (KChar 'R') [] -> scrollTop >> (continue $ regenerateScreens j d $ toggleReal ui)
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EvKey (KChar '/') [] -> continue $ regenerateScreens j d $ showMinibuffer ui
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EvKey k [] | k `elem` [KBS, KDel] -> (continue $ regenerateScreens j d $ resetFilter ui)
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EvKey (KLeft) [] -> continue $ popScreen ui
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EvKey k [] | k `elem` [KRight, KEnter] -> scrollTopRegister >> continue (screenEnter d scr ui)
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where
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scr = rsSetAccount selacct registerScreen
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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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newitems <- handleEvent ev (scr ^. asList)
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continue $ ui{aScreen=scr & asList .~ newitems
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& asSelectedAccount .~ selacct
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}
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-- continue =<< handleEventLensed ui someLens ev
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where
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-- Encourage a more stable scroll position when toggling list items.
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-- We scroll to the top, and the viewport will automatically
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-- scroll down just far enough to reveal the selection, which
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-- usually leaves it at bottom of screen).
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-- XXX better: scroll so selection is in middle of screen ?
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scrollTop = vScrollToBeginning $ viewportScroll "accounts"
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scrollTopRegister = vScrollToBeginning $ viewportScroll "register"
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asHandle _ _ = error "event handler called with wrong screen type, should not happen"
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asSetSelectedAccount a s@AccountsScreen{} = s & asSelectedAccount .~ a
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asSetSelectedAccount _ s = s
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