239 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Haskell
		
	
	
	
	
	
			
		
		
	
	
			239 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Haskell
		
	
	
	
	
	
| -- The transaction screen, showing a single transaction's general journal entry.
 | |
| 
 | |
| {-# LANGUAGE OverloadedStrings, TupleSections, RecordWildCards #-} -- , FlexibleContexts
 | |
| {-# LANGUAGE CPP #-}
 | |
| 
 | |
| module Hledger.UI.TransactionScreen
 | |
|  (transactionScreen
 | |
|  ,rsSelect
 | |
|  )
 | |
| where
 | |
| 
 | |
| import Control.Monad
 | |
| import Control.Monad.IO.Class (liftIO)
 | |
| import Data.List
 | |
| import Data.Maybe
 | |
| #if !(MIN_VERSION_base(4,11,0))
 | |
| import Data.Monoid
 | |
| #endif
 | |
| import qualified Data.Text as T
 | |
| import Data.Time.Calendar (Day)
 | |
| import Graphics.Vty (Event(..),Key(..),Modifier(..))
 | |
| import Brick
 | |
| import Brick.Widgets.List (listMoveTo)
 | |
| 
 | |
| import Hledger
 | |
| import Hledger.Cli hiding (progname,prognameandversion)
 | |
| import Hledger.UI.UIOptions
 | |
| -- import Hledger.UI.Theme
 | |
| import Hledger.UI.UITypes
 | |
| import Hledger.UI.UIState
 | |
| import Hledger.UI.UIUtils
 | |
| import Hledger.UI.Editor
 | |
| import Hledger.UI.ErrorScreen
 | |
| 
 | |
| transactionScreen :: Screen
 | |
| transactionScreen = TransactionScreen{
 | |
|    sInit   = tsInit
 | |
|   ,sDraw   = tsDraw
 | |
|   ,sHandle = tsHandle
 | |
|   ,tsTransaction  = (1,nulltransaction)
 | |
|   ,tsTransactions = [(1,nulltransaction)]
 | |
|   ,tsAccount      = ""
 | |
|   }
 | |
| 
 | |
| tsInit :: Day -> Bool -> UIState -> UIState
 | |
| tsInit _d _reset ui@UIState{aopts=UIOpts{cliopts_=CliOpts{reportopts_=_ropts}}
 | |
|                            ,ajournal=_j
 | |
|                            ,aScreen=TransactionScreen{}
 | |
|                            } =
 | |
|   -- plog ("initialising TransactionScreen, value_ is "
 | |
|   --       -- ++ (pshow (Just (AtDefault Nothing)::Maybe ValuationType))
 | |
|   --       ++(pshow (value_ _ropts))  -- XXX calling value_ here causes plog to fail with: debug.log: openFile: resource busy (file is locked)
 | |
|   --       ++ "?"
 | |
|   --       ++" and first commodity is")
 | |
|   --       (acommodity$head$amounts$pamount$head$tpostings$snd$tsTransaction)
 | |
|   --      `seq`
 | |
|   ui
 | |
| tsInit _ _ _ = error "init function called with wrong screen type, should not happen"
 | |
| 
 | |
| tsDraw :: UIState -> [Widget Name]
 | |
| tsDraw UIState{aopts=UIOpts{cliopts_=copts@CliOpts{reportopts_=ropts}}
 | |
|               ,ajournal=j
 | |
|               ,aScreen=TransactionScreen{tsTransaction=(i,t)
 | |
|                                         ,tsTransactions=nts
 | |
|                                         ,tsAccount=acct
 | |
|                                         }
 | |
|               ,aMode=mode
 | |
|               } =
 | |
|   case mode of
 | |
|     Help       -> [helpDialog copts, maincontent]
 | |
|     -- Minibuffer e -> [minibuffer e, maincontent]
 | |
|     _          -> [maincontent]
 | |
|   where
 | |
|     maincontent = Widget Greedy Greedy $ do
 | |
|       let
 | |
|         prices = journalPriceOracle (infer_value_ ropts) j
 | |
|         styles = journalCommodityStyles j
 | |
|         periodlast =
 | |
|           fromMaybe (error' "TransactionScreen: expected a non-empty journal") $ -- XXX shouldn't happen
 | |
|           reportPeriodOrJournalLastDay ropts j
 | |
|         mreportlast = reportPeriodLastDay ropts
 | |
|         today = fromMaybe (error' "TransactionScreen: could not pick a valuation date, ReportOpts today_ is unset") $ today_ ropts
 | |
|         multiperiod = interval_ ropts /= NoInterval
 | |
| 
 | |
|       render $ defaultLayout toplabel bottomlabel $ str $
 | |
|         showTransactionOneLineAmounts $
 | |
|         (if valuationTypeIsCost ropts then transactionToCost (journalCommodityStyles j) else id) $
 | |
|         (if valuationTypeIsDefaultValue ropts then (\t -> transactionApplyValuation prices styles periodlast mreportlast today multiperiod t (AtDefault Nothing)) else id) $
 | |
|         -- (if real_ ropts then filterTransactionPostings (Real True) else id) -- filter postings by --real
 | |
|         t
 | |
|       where
 | |
|         toplabel =
 | |
|           str "Transaction "
 | |
|           -- <+> withAttr ("border" <> "bold") (str $ "#" ++ show (tindex t))
 | |
|           -- <+> str (" ("++show i++" of "++show (length nts)++" in "++acct++")")
 | |
|           <+> (str $ "#" ++ show (tindex t))
 | |
|           <+> str " ("
 | |
|           <+> withAttr ("border" <> "bold") (str $ show i)
 | |
|           <+> str (" of "++show (length nts))
 | |
|           <+> togglefilters
 | |
|           <+> borderQueryStr (query_ ropts)
 | |
|           <+> str (" in "++T.unpack (replaceHiddenAccountsNameWith "All" acct)++")")
 | |
|           <+> (if ignore_assertions_ $ inputopts_ copts then withAttr ("border" <> "query") (str " ignoring balance assertions") else str "")
 | |
|           where
 | |
|             togglefilters =
 | |
|               case concat [
 | |
|                    uiShowStatus copts $ statuses_ ropts
 | |
|                   ,if real_ ropts then ["real"] else []
 | |
|                   ,if empty_ ropts then [] else ["nonzero"]
 | |
|                   ] of
 | |
|                 [] -> str ""
 | |
|                 fs -> withAttr ("border" <> "query") (str $ " " ++ intercalate ", " fs)
 | |
| 
 | |
|         bottomlabel = case mode of
 | |
|                         -- Minibuffer ed -> minibuffer ed
 | |
|                         _             -> quickhelp
 | |
|           where
 | |
|             quickhelp = borderKeysStr [
 | |
|                ("?", "help")
 | |
|               ,("LEFT", "back")
 | |
|               ,("UP/DOWN", "prev/next")
 | |
|               --,("ESC", "cancel/top")
 | |
|               -- ,("a", "add")
 | |
|               ,("E", "editor")
 | |
|               ,("g", "reload")
 | |
|               ,("q", "quit")
 | |
|               ]
 | |
| 
 | |
| tsDraw _ = error "draw function called with wrong screen type, should not happen"
 | |
| 
 | |
| tsHandle :: UIState -> BrickEvent Name AppEvent -> EventM Name (Next UIState)
 | |
| tsHandle ui@UIState{aScreen=s@TransactionScreen{tsTransaction=(i,t)
 | |
|                                                ,tsTransactions=nts
 | |
|                                                ,tsAccount=acct
 | |
|                                                }
 | |
|                    ,aopts=UIOpts{cliopts_=copts@CliOpts{reportopts_=ropts}}
 | |
|                    ,ajournal=j
 | |
|                    ,aMode=mode
 | |
|                    }
 | |
|          ev =
 | |
|   case mode of
 | |
|     Help ->
 | |
|       case ev of
 | |
|         VtyEvent (EvKey (KChar 'q') []) -> halt ui
 | |
|         VtyEvent (EvKey (KChar 'l') [MCtrl]) -> redraw ui
 | |
|         VtyEvent (EvKey (KChar 'z') [MCtrl]) -> suspend ui
 | |
|         _                    -> helpHandle ui ev
 | |
| 
 | |
|     _ -> do
 | |
|       d <- liftIO getCurrentDay
 | |
|       let
 | |
|         (iprev,tprev) = maybe (i,t) ((i-1),) $ lookup (i-1) nts
 | |
|         (inext,tnext) = maybe (i,t) ((i+1),) $ lookup (i+1) nts
 | |
|       case ev of
 | |
|         VtyEvent (EvKey (KChar 'q') []) -> halt ui
 | |
|         VtyEvent (EvKey KEsc        []) -> continue $ resetScreens d ui
 | |
|         VtyEvent (EvKey (KChar c)   []) | c `elem` ['?'] -> continue $ setMode Help ui
 | |
|         VtyEvent (EvKey (KChar 'E') []) -> suspendAndResume $ void (runEditor pos f) >> uiReloadJournalIfChanged copts d j ui
 | |
|           where
 | |
|             (pos,f) = case tsourcepos t of
 | |
|                         GenericSourcePos f l c    -> (Just (l, Just c),f)
 | |
|                         JournalSourcePos f (l1,_) -> (Just (l1, Nothing),f)
 | |
|         AppEvent (DateChange old _) | isStandardPeriod p && p `periodContainsDate` old ->
 | |
|           continue $ regenerateScreens j d $ setReportPeriod (DayPeriod d) ui
 | |
|           where
 | |
|             p = reportPeriod ui
 | |
|         e | e `elem` [VtyEvent (EvKey (KChar 'g') []), AppEvent FileChange] -> do
 | |
|           -- plog (if e == AppEvent FileChange then "file change" else "manual reload") "" `seq` return ()
 | |
|           d <- liftIO getCurrentDay
 | |
|           ej <- liftIO $ journalReload copts
 | |
|           case ej of
 | |
|             Left err -> continue $ screenEnter d errorScreen{esError=err} ui
 | |
|             Right j' -> do
 | |
|               continue $
 | |
|                 regenerateScreens j' d $
 | |
|                 regenerateTransactions ropts d j' s acct i $   -- added (inline) 201512 (why ?)
 | |
|                 clearCostValue $
 | |
|                 ui
 | |
|         VtyEvent (EvKey (KChar 'I') []) -> continue $ uiCheckBalanceAssertions d (toggleIgnoreBalanceAssertions ui)
 | |
| 
 | |
|         -- for toggles that may change the current/prev/next transactions,
 | |
|         -- we must regenerate the transaction list, like the g handler above ? with regenerateTransactions ? TODO WIP
 | |
|         -- EvKey (KChar 'E') [] -> continue $ regenerateScreens j d $ stToggleEmpty ui
 | |
|         -- EvKey (KChar 'C') [] -> continue $ regenerateScreens j d $ stToggleCleared ui
 | |
|         -- EvKey (KChar 'R') [] -> continue $ regenerateScreens j d $ stToggleReal ui
 | |
|         VtyEvent (EvKey (KChar 'B') []) ->
 | |
|           continue $
 | |
|           regenerateScreens j d $
 | |
|           -- regenerateTransactions ropts d j s acct i $
 | |
|           toggleCost ui
 | |
|         VtyEvent (EvKey (KChar 'V') []) ->
 | |
|           continue $
 | |
|           regenerateScreens j d $
 | |
|           -- regenerateTransactions ropts d j s acct i $
 | |
|           toggleValue ui
 | |
| 
 | |
|         VtyEvent e | e `elem` moveUpEvents   -> continue $ regenerateScreens j d ui{aScreen=s{tsTransaction=(iprev,tprev)}}
 | |
|         VtyEvent e | e `elem` moveDownEvents -> continue $ regenerateScreens j d ui{aScreen=s{tsTransaction=(inext,tnext)}}
 | |
|         VtyEvent e | e `elem` moveLeftEvents -> continue ui''
 | |
|           where
 | |
|             ui'@UIState{aScreen=scr} = popScreen ui
 | |
|             ui'' = ui'{aScreen=rsSelect (fromIntegral i) scr}
 | |
|         VtyEvent (EvKey (KChar 'l') [MCtrl]) -> redraw ui
 | |
|         VtyEvent (EvKey (KChar 'z') [MCtrl]) -> suspend ui
 | |
|         _ -> continue ui
 | |
| 
 | |
| tsHandle _ _ = error "event handler called with wrong screen type, should not happen"
 | |
| 
 | |
| -- Got to redo the register screen's transactions report, to get the latest transactions list for this screen.
 | |
| -- XXX Duplicates rsInit. Why do we have to do this as well as regenerateScreens ?
 | |
| regenerateTransactions :: ReportOpts -> Day -> Journal -> Screen -> AccountName -> Integer -> UIState -> UIState
 | |
| regenerateTransactions ropts d j s acct i ui =
 | |
|   let
 | |
|     ropts' = ropts {depth_=Nothing
 | |
|                    ,balancetype_=HistoricalBalance
 | |
|                    }
 | |
|     q = filterQuery (not . queryIsDepth) $ queryFromOpts d ropts'
 | |
|     thisacctq = Acct $ accountNameToAccountRegex acct -- includes subs
 | |
|     items = reverse $ snd $ accountTransactionsReport ropts j q thisacctq
 | |
|     ts = map first6 items
 | |
|     numberedts = zip [1..] ts
 | |
|     -- select the best current transaction from the new list
 | |
|     -- stay at the same index if possible, or if we are now past the end, select the last, otherwise select the first
 | |
|     (i',t') = case lookup i numberedts
 | |
|               of Just t'' -> (i,t'')
 | |
|                  Nothing | null numberedts -> (0,nulltransaction)
 | |
|                          | i > fst (last numberedts) -> last numberedts
 | |
|                          | otherwise -> head numberedts
 | |
|   in
 | |
|     ui{aScreen=s{tsTransaction=(i',t')
 | |
|                 ,tsTransactions=numberedts
 | |
|                 ,tsAccount=acct
 | |
|                 }}
 | |
| 
 | |
| -- | Select the nth item on the register screen.
 | |
| rsSelect i scr@RegisterScreen{..} = scr{rsList=l'}
 | |
|   where l' = listMoveTo (i-1) rsList
 | |
| rsSelect _ scr = scr
 |