66a047aade
instance Functor Cell This way you can choose between Text, Lazy.Text, WideBuilder for cell content.
49 lines
943 B
Haskell
49 lines
943 B
Haskell
{- |
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Rich data type to describe data in a table.
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This is the basis for ODS and HTML export.
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-}
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module Hledger.Write.Spreadsheet (
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Type(..),
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Style(..),
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Emphasis(..),
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Cell(..),
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defaultCell,
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emptyCell,
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) where
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import Hledger.Data.Types (Amount)
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data Type =
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TypeString
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| TypeAmount !Amount
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| TypeMixedAmount
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deriving (Eq, Ord, Show)
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data Style = Body Emphasis | Head
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deriving (Eq, Ord, Show)
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data Emphasis = Item | Total
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deriving (Eq, Ord, Show)
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data Cell text =
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Cell {
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cellType :: Type,
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cellStyle :: Style,
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cellContent :: text
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}
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instance Functor Cell where
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fmap f (Cell typ style content) = Cell typ style $ f content
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defaultCell :: text -> Cell text
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defaultCell text =
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Cell {
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cellType = TypeString,
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cellStyle = Body Item,
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cellContent = text
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}
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emptyCell :: (Monoid text) => Cell text
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emptyCell = defaultCell mempty
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