41 lines
933 B
Haskell
41 lines
933 B
Haskell
{- git-annex command
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-
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- Copyright 2014 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Command.VCycle where
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import Common.Annex
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import Command
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import Annex.View
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import Types.View
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import Logs.View
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import Command.View (checkoutViewBranch)
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def :: [Command]
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def = [notBareRepo $ notDirect $
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command "vcycle" paramNothing seek SectionUtility
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"switch view to next layout"]
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seek :: CommandSeek
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seek = withNothing start
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start ::CommandStart
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start = go =<< currentView
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where
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go Nothing = error "Not in a view."
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go (Just v) = do
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showStart "vcycle" ""
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let v' = v { viewComponents = vcycle [] (viewComponents v) }
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if v == v'
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then do
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showNote "unchanged"
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next $ next $ return True
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else next $ next $ checkoutViewBranch v' narrowView
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vcycle rest (c:cs)
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| multiValue (viewFilter c) = rest ++ cs ++ [c]
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| otherwise = vcycle (c:rest) cs
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vcycle rest c = rest ++ c
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