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{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE LambdaCase #-}
module ThreadView where
import Data.Default
import Graphics.Vty
import Data.List
--import Data.Aeson
--import Data.List.Split
--import Data.Attoparsec.ByteString hiding (string)
--import Data.Maybe
import Data.Monoid
--import Data.String
--import Data.Traversable
import Data.Tree
--import qualified Data.ByteString as BS
--import qualified Data.ByteString.Lazy as LBS
--import qualified Data.ByteString.Char8 as BS8
--import qualified Data.Text.Lazy as TL
import qualified Data.Text as T
--import qualified Data.Text.Encoding as T
--import qualified Data.Text.IO as T
--import Data.Version (Version(..), parseVersion)
--import System.Process
--import System.IO
--import qualified Data.Map as M
--import Notmuch.SearchResult
import Notmuch.Message
--import Notmuch
import Safe
type LineNr = Int
data ThreadView
= TVMessage Message
| TVMessagePart Message MessagePart
| TVMessageLine Message MessagePart LineNr String
deriving (Show)
instance Eq ThreadView where
TVMessage m1 == TVMessage m2 =
m1 == m2
TVMessagePart m1 mp1 == TVMessagePart m2 mp2 =
m1 == m2 && mp1 == mp2
TVMessageLine m1 mp1 ln1 _s1 == TVMessageLine m2 mp2 ln2 _s2 =
m1 == m2 && mp1 == mp2 && ln1 == ln2
_ == _ = False
describe :: ThreadView -> String
describe (TVMessage m) = "TVMessage" <> unMessageID (messageId m)
describe (TVMessagePart m p) = "TVMessagePart " <> (unMessageID $ messageId m) <> " " <> show (partID p)
describe (TVMessageLine _ _ _ s) = "TVMessageLine " <> show s
focusPrev :: Tree ThreadView -> Maybe ThreadView -> Maybe ThreadView
focusPrev v Nothing = lastMay (flatten v)
focusPrev v (Just cur) = do
i <- elemIndex cur items
maybe (lastMay items) Just $ atMay items (i - 1)
where
items = flatten v
focusNext :: Tree ThreadView -> Maybe ThreadView -> Maybe ThreadView
focusNext v Nothing = headMay (flatten v)
focusNext v (Just cur) = do
i <- elemIndex cur items
maybe (headMay items) Just $ atMay items (i + 1)
where
items = flatten v
findMessage :: MessageID -> Tree ThreadView -> Maybe ThreadView
findMessage i =
find p . flatten
where
p (TVMessage m) = i == messageId m
p _ = False
findTV :: ThreadView -> Tree ThreadView -> Maybe ThreadView
findTV x =
find (==x) . flatten
fromMessageTree :: Tree Message -> Tree ThreadView
fromMessageTree (Node m ms) =
Node m' ms'
where
m' :: ThreadView
m' = TVMessage m
ms' :: Forest ThreadView
ms' = if isOpen m
then xconvBody m <> map fromMessageTree ms
else map fromMessageTree ms
xconvBody :: Message -> Forest ThreadView
xconvBody m = mconcat $ map (xconvPart m) (messageBody m)
xconvPart :: Message -> MessagePart -> Forest ThreadView
xconvPart m p = xconvPartContent m p $ partContent p
xconvPartContent
:: Message -> MessagePart -> MessageContent -> Forest ThreadView
xconvPartContent m p = \case
ContentText t ->
map (xconvLine m p) $ zip [0..] (T.lines t)
ContentMultipart parts ->
map (xconvPart2 m) parts
-- [Node (TVMessageLine m p 0 "ContentMultipart") []]
ContentMsgRFC822 _ ->
[Node (TVMessageLine m p 0 "ContentMsgRFC822") []]
xconvPart2 :: Message -> MessagePart -> Tree ThreadView
xconvPart2 m p =
Node (TVMessagePart m p) $ xconvPartContent m p (partContent p)
xconvLine
:: Message -> MessagePart -> (LineNr, T.Text) -> Tree ThreadView
xconvLine m p (i, s) =
Node (TVMessageLine m p i $ T.unpack s) []
threadViewImage :: Bool -> ThreadView -> Image
threadViewImage hasFocus = \case
TVMessage m ->
let col = if isOpen m then om else cm
in
string col (unMessageID $ messageId m)
<|>
translateX 1 (
horizCat $
intersperse (string col ", ") $
map (text' tagColor) $
messageTags m
)
TVMessagePart _ p ->
string mp "TVMessagePart"
<|> translateX 1 (string mp $ show $ partID p)
<|> translateX 1 (string mp $ show $ partContentType p)
TVMessageLine _ _ _ s ->
string ml s
where
--c1 = if hasFocus then c1_focus else c1_nofocus
--c1_nofocus = withForeColor def $ Color240 $ -16 + 238
--c1_focus = withForeColor def $ Color240 $ -16 + 244
--c2 = withForeColor def $ Color240 $ -16 + 106
--c3 = withForeColor def $ Color240 $ -16 + 199
tagColor = if hasFocus then tagColor_y else tagColor_n
tagColor_y = withForeColor def $ color 230
tagColor_n = withForeColor def $ color 200
cm = if hasFocus then cm_y else cm_n
cm_y = withForeColor def $ color 46
cm_n = withForeColor def $ color 22
om = if hasFocus then om_y else om_n
om_y = withForeColor def $ color 82
om_n = withForeColor def $ color 58
ml = if hasFocus then ml_y else ml_n
ml_y = withForeColor def $ color 226
ml_n = withForeColor def $ color 202
--ph = if hasFocus then ph_y else ph_n
--ph_y = withForeColor def $ color 241
--ph_n = withForeColor def $ color 235
mp = if hasFocus then mp_y else mp_n
mp_y = withForeColor def $ color 199
mp_n = withForeColor def $ color 162
color i = Color240 $ -16 + i
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