From 89cd31ce1275bee6c8da8b3d9f4b00155a2e5fd2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ra=C3=BAl=20Benencia?= <rul@kalgan.cc>
Date: Sun, 25 Aug 2013 19:55:17 -0300
Subject: Added a couple of hooks

---
 Config.hs | 58 ++++++++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 46 insertions(+), 12 deletions(-)

(limited to 'Config.hs')

diff --git a/Config.hs b/Config.hs
index 5c4e477..26c062d 100644
--- a/Config.hs
+++ b/Config.hs
@@ -8,23 +8,29 @@
 
 module Config(LazymailConfig(..), defaultConfig, customConfig) where
 
+import Data.List(sort, stripPrefix)
+import System.FilePath(FilePath, takeFileName, dropTrailingPathSeparator)
+import System.Posix.Files(getSymbolicLinkStatus, isSymbolicLink)
 import UI.NCurses(Color(..))
-import System.FilePath(FilePath)
 
 data LazymailConfig = LazymailConfig {
-    baseColor       :: (Color, Color) -- (foreground, background)
-  , selectionColor  :: (Color, Color)
-  , statusBarColor  :: (Color, Color)
-  , showStatusBar   :: Bool
-  , initialPath     :: FilePath
+    baseColor          :: (Color, Color) -- (foreground, background)
+  , selectionColor     :: (Color, Color)
+  , statusBarColor     :: (Color, Color)
+  , showStatusBar      :: Bool
+  , initialPath        :: FilePath
+  , filterMaildirsHook :: [FilePath] -> IO [FilePath]
+  , maildirDrawHook    :: String -> String -> String
 }
 
 defaultConfig = LazymailConfig {
-    baseColor      = (ColorWhite, ColorBlack)
-  , selectionColor = (ColorBlack, ColorWhite)
-  , statusBarColor = (ColorBlack, ColorWhite)
-  , showStatusBar  = True
-  , initialPath    = ""
+    baseColor          = (ColorWhite, ColorBlack)
+  , selectionColor     = (ColorBlack, ColorWhite)
+  , statusBarColor     = (ColorBlack, ColorWhite)
+  , showStatusBar      = True
+  , initialPath        = ""
+  , filterMaildirsHook =  \mds -> return mds
+  , maildirDrawHook    = \_ md ->  md
 }
 
 --
@@ -32,4 +38,32 @@ defaultConfig = LazymailConfig {
 -- preferences. In a possible future maybe I'll work in a not-so-crappy
 -- config system.
 --
-customConfig = defaultConfig { initialPath = "/home/rul/mail/linti/" }
\ No newline at end of file
+--customConfig = defaultConfig { initialPath = "/home/rul/mail/"}
+
+
+customConfig = defaultConfig { initialPath = "/home/rul/mail/linti"
+                             , maildirDrawHook = indentedShow
+                             , filterMaildirsHook = filterSymlinks }
+
+indentedShow :: String -> String -> String
+indentedShow bp md =
+  let str     = case (stripPrefix bp md) of
+                  Nothing  -> md
+                  Just s    -> s
+      name'   = takeFileName . dropTrailingPathSeparator $ str
+      name    = takeFileName $ map (\x -> if x `elem` imapSep then '/' else x) name'
+      pad     = "  "
+      numPads = (length $ filter (== '/') str) + (length $ filter (`elem` imapSep) str)
+      imapSep = ['.'] -- IMAP usually separates its directories with dots
+  in (concat $ replicate (numPads - 1) pad) ++ pad ++ name
+
+filterSymlinks :: [FilePath] -> IO [FilePath]
+filterSymlinks [] = return []
+filterSymlinks (md:mds) = do
+  filtered <- do
+    fs <- getSymbolicLinkStatus md
+    rest <- filterSymlinks mds
+    if isSymbolicLink fs
+      then return rest
+      else return (md:rest)
+  return $ sort filtered
\ No newline at end of file
-- 
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