94 lines
		
	
	
	
		
			2.9 KiB
			
		
	
	
	
		
			Haskell
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
	
		
			2.9 KiB
			
		
	
	
	
		
			Haskell
		
	
	
	
	
	
{- git-annex assistant webapp sidebar
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 -
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 - Copyright 2012 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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{-# LANGUAGE TypeFamilies, QuasiQuotes, MultiParamTypeClasses, TemplateHaskell, OverloadedStrings, RankNTypes #-}
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module Assistant.WebApp.SideBar where
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import Assistant.Common
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import Assistant.WebApp
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import Assistant.WebApp.Types
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import Assistant.WebApp.Notifications
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import Assistant.DaemonStatus
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import Assistant.Alert
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import Utility.NotificationBroadcaster
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import Utility.Yesod
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import Yesod
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import Data.Text (Text)
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import qualified Data.Map as M
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import Control.Concurrent
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sideBarDisplay :: Widget
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sideBarDisplay = do
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	let content = do
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		{- Add newest alerts to the sidebar. -}
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		webapp <- lift getYesod
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		alertpairs <- M.toList . alertMap
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			<$> liftIO (getDaemonStatus $ daemonStatus webapp)
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		mapM_ renderalert $
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			take displayAlerts $ reverse $ sortAlertPairs alertpairs
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	let ident = "sidebar"
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	$(widgetFile "sidebar/main")
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	autoUpdate ident NotifierSideBarR (10 :: Int) (10 :: Int)
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	where
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		bootstrapclass :: AlertClass -> Text
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		bootstrapclass Activity = "alert-info"
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		bootstrapclass Warning = "alert"
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		bootstrapclass Error = "alert-error"
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		bootstrapclass Success = "alert-success"
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		bootstrapclass Message = "alert-info"
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		renderalert (aid, alert) = do
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			let alertid = show aid
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			let closable = alertClosable alert
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			let block = alertBlockDisplay alert
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			let divclass = bootstrapclass $ alertClass alert
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			$(widgetFile "sidebar/alert")
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{- Called by client to get a sidebar display.
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 - Returns a div, which will be inserted into the calling page.
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 -
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 - Note that the head of the widget is not included, only its
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 - body is. To get the widget head content, the widget is also 
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 - inserted onto all pages.
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 -}
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getSideBarR :: NotificationId -> Handler RepHtml
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getSideBarR nid = do
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	waitNotifier alertNotifier nid
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	{- This 0.1 second delay avoids very transient notifications from
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	 - being displayed and churning the sidebar unnecesarily. 
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	 -
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	 - This needs to be below the level perceptable by the user,
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	 - to avoid slowing down user actions like closing alerts. -}
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	liftIO $ threadDelay 100000
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	page <- widgetToPageContent sideBarDisplay
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	hamletToRepHtml $ [hamlet|^{pageBody page}|]
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{- Called by the client to close an alert. -}
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getCloseAlert :: AlertId -> Handler ()
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getCloseAlert i = do
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	webapp <- getYesod
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	liftIO $ removeAlert (daemonStatus webapp) i
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{- When an alert with a button is clicked on, the button takes us here. -}
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getClickAlert :: AlertId -> Handler ()
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getClickAlert i = do
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	webapp <- getYesod
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	m <- alertMap <$> liftIO (getDaemonStatus $ daemonStatus webapp)
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	case M.lookup i m of
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		Just (Alert { alertButton = Just b }) -> do
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			{- Spawn a thread to run the action while redirecting. -}
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			case buttonAction b of
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				Nothing -> noop
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				Just a -> liftIO $ void $ forkIO $ a i
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			redirect $ buttonUrl b
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		_ -> redirectBack
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