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ui: +/- adjusts the depth limit (accounts screen)

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Simon Michael 2015-08-28 10:01:54 -07:00
parent 0d02262463
commit 6b17305196
1 changed files with 28 additions and 0 deletions
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28
hledger-ui/Hledger/UI/AccountsScreen.hs
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@ -177,6 +177,8 @@ handleAccountsScreen st@AppState{aScreen=scr@AccountsScreen{asState=is}} e = do
Vty.EvKey (Vty.KChar '7') [] -> continue $ initAccountsScreen (Just acct) d $ setDepth 7 st
Vty.EvKey (Vty.KChar '8') [] -> continue $ initAccountsScreen (Just acct) d $ setDepth 8 st
Vty.EvKey (Vty.KChar '9') [] -> continue $ initAccountsScreen (Just acct) d $ setDepth 9 st
Vty.EvKey (Vty.KChar '+') [] -> continue $ initAccountsScreen (Just acct) d $ incDepth st
Vty.EvKey (Vty.KChar '-') [] -> continue $ initAccountsScreen (Just acct) d $ decDepth st
Vty.EvKey (Vty.KLeft) [] -> continue $ popScreen st
Vty.EvKey (Vty.KRight) [] -> do
let st' = screenEnter d RS.screen{rsAcct=acct} st
@ -199,3 +201,29 @@ setDepth depth st@AppState{aopts=uopts@UIOpts{cliopts_=copts@CliOpts{..}}} =
where
md | depth==0 = Nothing
| otherwise = Just depth
-- | Increment the current depth limit. If this makes it equal to the
-- the maximum account depth, remove the depth limit.
incDepth :: AppState -> AppState
incDepth st@AppState{
aopts=uopts@UIOpts{cliopts_=copts@CliOpts{reportopts_=ropts@ReportOpts{..}}},
ajournal=j
} =
st{aopts=uopts{cliopts_=copts{reportopts_=ropts{depth_=inc depth_}}}}
where
inc (Just d) | d < (maxdepth-1) = Just $ d+1
where maxdepth = maximum $ map accountNameLevel $ journalAccountNames j
inc _ = Nothing
-- | Decrement the current depth limit towards 0. If there was no depth limit,
-- set it to one less than the maximum account depth.
decDepth :: AppState -> AppState
decDepth st@AppState{
aopts=uopts@UIOpts{cliopts_=copts@CliOpts{reportopts_=ropts@ReportOpts{..}}},
ajournal=j
} =
st{aopts=uopts{cliopts_=copts{reportopts_=ropts{depth_=dec depth_}}}}
where
dec (Just d) = Just $ max 0 (d-1)
dec Nothing = Just $ maxdepth-1
where maxdepth = maximum $ map accountNameLevel $ journalAccountNames j