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refactor

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This commit is contained in:
Simon Michael 2010-02-16 21:16:30 +00:00
parent c1b88265d1
commit 23023238cb
1 changed files with 4 additions and 4 deletions
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8
Commands/UI.hs
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@ -6,6 +6,7 @@ A simple text UI for hledger, based on the vty library.
module Commands.UI
where
import Safe (headDef)
import Graphics.Vty
import Ledger
import Options
@ -278,12 +279,11 @@ scrollToTransaction (Just t) a@AppState{abuf=buf} = setCursorY cy $ setScrollY s
currentTransaction :: AppState -> Maybe Transaction
currentTransaction a@AppState{aledger=l,abuf=buf} = ptransaction p
where
p = safehead nullposting $ filter ismatch $ ledgerPostings l
p = headDef nullposting $ filter ismatch $ ledgerPostings l
ismatch p = postingDate p == parsedate (take 10 datedesc)
&& take 70 (showPostingWithBalance False p nullmixedamt) == (datedesc ++ acctamt)
datedesc = take 32 $ fromMaybe "" $ find (not . (" " `isPrefixOf`)) $ safehead "" rest : reverse above
acctamt = drop 32 $ safehead "" rest
safehead d ls = if null ls then d else head ls
datedesc = take 32 $ fromMaybe "" $ find (not . (" " `isPrefixOf`)) $ headDef "" rest : reverse above
acctamt = drop 32 $ headDef "" rest
(above,rest) = splitAt y buf
y = posY a