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;ui: refactor toggleForecast

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Simon Michael 2020-12-12 11:51:25 -08:00
parent a10f9f4ea9
commit 481c40ca2f
1 changed files with 18 additions and 21 deletions
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39
hledger-ui/Hledger/UI/UIState.hs
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@ -163,28 +163,25 @@ toggleHistorical ui@UIState{aopts=uopts@UIOpts{cliopts_=copts@CliOpts{reportspec
b | balancetype_ ropts == HistoricalBalance = PeriodChange b | balancetype_ ropts == HistoricalBalance = PeriodChange
| otherwise = HistoricalBalance | otherwise = HistoricalBalance
-- | Toggle hledger-ui's "forecast mode". In forecast mode, periodic -- | Toggle hledger-ui's "forecast/future mode". When this mode is enabled,
-- transactions (generated by periodic rules) are enabled (as with -- hledger-shows regular transactions which have future dates, and
-- hledger --forecast), and also future transactions in general -- "forecast" transactions generated by periodic transaction rules
-- (including non-periodic ones) are displayed. In normal mode, all -- (which are usually but not necessarily future-dated).
-- future transactions (periodic or not) are suppressed (unlike -- In normal mode, both of these are hidden.
-- command-line hledger).
--
-- After toggling this, we do a full reload of the journal from disk
-- to make it take effect; currently that's done in the callers (cf
-- AccountsScreen, RegisterScreen) where it's easier. This is
-- overkill, probably we should just hide/show the periodic
-- transactions with a query for their special tag.
--
toggleForecast :: Day -> UIState -> UIState toggleForecast :: Day -> UIState -> UIState
toggleForecast d ui@UIState{aopts=uopts@UIOpts{cliopts_=copts@CliOpts{reportspec_=rspec@ReportSpec{rsOpts=ropts}}}} = toggleForecast d ui@UIState{aopts=UIOpts{cliopts_=copts@CliOpts{reportspec_=ReportSpec{rsOpts=ropts}}}} =
ui{aopts=uopts{cliopts_=copts'}} uiSetForecast ui $
where case forecast_ ropts of
copts' = copts{reportspec_=rspec{rsOpts=ropts{forecast_=forecast'}}} Just _ -> Nothing
forecast' = Nothing -> Just $ fromMaybe nulldatespan $ forecastPeriodFromRawOpts d $ rawopts_ copts
case forecast_ ropts of
Just _ -> Nothing -- | Helper: set forecast mode (with the given forecast period) on or off in the UI state.
Nothing -> Just $ fromMaybe nulldatespan $ forecastPeriodFromRawOpts d $ rawopts_ copts uiSetForecast :: UIState -> Maybe DateSpan -> UIState
uiSetForecast
ui@UIState{aopts=uopts@UIOpts{cliopts_=copts@CliOpts{reportspec_=rspec@ReportSpec{rsOpts=ropts}}}}
mforecast =
-- we assume forecast mode has no effect on ReportSpec's derived fields
ui{aopts=uopts{cliopts_=copts{reportspec_=rspec{rsOpts=ropts{forecast_=mforecast}}}}}
-- | Toggle between showing all and showing only real (non-virtual) items. -- | Toggle between showing all and showing only real (non-virtual) items.
toggleReal :: UIState -> UIState toggleReal :: UIState -> UIState