Shares/mTaskShare.icl

   1 implementation module Shares.mTaskShare
   2
   3 import dynamic_string
   4 import Utils.SDS
   5 import Utils.Devices
   6 import iTasks
   7 import mTask
   8 import Data.List
   9 import Data.Tuple
  10 from Data.Func import $
  11 from StdFunc import flip
  12
  13 derive class iTask MTaskShare
  14
  15 manageShares :: Task [MTaskDevice]
  16 manageShares = whileUnchanged deviceStoreNP
  17         $ \devs->case devs of
  18                 [] = viewInformation "No devices yet" [] []
  19                 _ = allTasks (map manageSharesOnDevice devs)
  20
  21 manageSharesOnDevice :: MTaskDevice -> Task MTaskDevice
  22 manageSharesOnDevice dev = (case dev.deviceShares of
  23                 [] = viewInformation dev.deviceName [] "No shares yet"
  24                 shs = enterChoice dev.deviceName [ChooseFromGrid id] shs @ const ""
  25         ) >>| treturn dev
  26
  27 updateShares :: MTaskDevice ([MTaskShare] -> [MTaskShare]) -> Task [MTaskShare]
  28 updateShares dev tfun = upd (map upFun) (sdsFocus (Just (dev, -1)) deviceStore)
  29                 @ (\d->d.deviceShares) o fromJust o find ((==)dev)
  30         where
  31                 upFun d = if (dev == d) ({d&deviceShares=tfun d.deviceShares}) d
  32
  33 //manageShares shares = withShared Nothing $ \cs->forever $
  34 //      (viewSharesGrid cs shares -|| updateShares shares <<@ ArrangeVertical)
  35 //      @! ()
  36
  37 //updateShares :: [MTaskShare] -> Task BCValue
  38 //updateShares shares = anyTask (map updateS shares) <<@ ArrangeWithTabs
  39
  40 //updateS :: MTaskShare -> Task BCValue
  41 //updateS sh = flip (<<@) (Title $ toString sh.identifier) $ forever $
  42 //              viewSharedInformation "Current value" [] (getSDSShare sh)
  43 //      ||- (
  44 //                      updateSharedInformation "New value" [] (getSDSShare sh)
  45 //              >>= \nv->allTasks (map (withDevice treturn) sh.withDevice)
  46 //              >>= \devs->allTasks (map (sendMessages [MTUpd sh.identifier nv]) devs)
  47 //              >>| treturn nv
  48 //              )
  49 //      <<@ ArrangeHorizontal
  50
  51 //viewSharesGrid :: (Shared (Maybe MTaskShare)) [MTaskShare] -> Task [BCValue]
  52 //viewSharesGrid _ [] = viewInformation "No shares yet" [] []
  53 //viewSharesGrid cs sh = (allTasks [watch (getSDSShare m)\\m<-sh] <<@ NoUserInterface)
  54 //      >&^ \st->flip (<<@) NoUserInterface $ whileUnchanged st $ \mshs->enterChoice "" [ChooseFromGrid id]
  55 //              [{MTaskShare|ss&value=s}\\s<-fromJust mshs & ss<-sh]
  56 //              >>* [OnValue (withValue $ \s->Just (set (Just s) cs))]
  57 //              @! fromJust mshs
  58
  59 //viewShare :: MTaskShare -> Task BCValue
  60 //viewShare m = viewSharedInformation "" [] (getSDSShare m)
  61 //      <<@ Title ("SDS: " +++ toString m.identifier)
  62
  63 makeShare :: String Int BCValue -> MTaskShare
  64 makeShare withTask identifier value = {MTaskShare
  65                 |withTask=[withTask]
  66                 ,identifier=identifier
  67                 ,value=value
  68                 }
  69
  70 import GenPrint, StdMisc, StdDebug, TTY
  71 derive gPrint MTaskDevice, MTaskShare, Maybe, MTaskResource, MTaskTask, TaskId, TTYSettings, TCPSettings, DateTime
  72 derive gPrint Parity, BaudRate, ByteSize
  73
  74 cleanSharesTask :: Int MTaskDevice -> Task [MTaskShare]
  75 cleanSharesTask taskid d = updateShares d id //TODO
  76 //# shares = d.deviceShares
  77 //| not (trace_tn $ printToString taskid) = undef
  78 //| not (trace_tn $ printToString d.deviceTasks) = undef
  79 //| not (trace_tn $ printToString $ getNames taskid d) = undef
  80 //= upd (map $ up $ getNames taskid d) sdsStore
  81 //      where
  82 //              getNames :: Int MTaskDevice -> [String]
  83 //              getNames i d = [t.MTaskTask.name\\t<-d.deviceTasks|t.ident==i]
  84 //
  85 //              up :: [String] MTaskShare -> MTaskShare
  86 //              up ns s = {MTaskShare | s & withTask=[t\\t<-s.withTask|not (isMember t ns)]}
  87
  88 instance == MTaskShare where
  89         (==) a b = a.identifier == b.identifier
  90
  91 getRealShare :: MTaskDevice MTaskShare -> Shared BCValue
  92 getRealShare dev share = sdsFocus ()
  93         $ mapReadWriteError (deviceLens dev share)
  94         $ sdsFocus (Just (dev, share.identifier))
  95         $ deviceStore
  96
  97 deviceLens dev share = (mread, mwrite)
  98 where
  99         mread :: [MTaskDevice] -> MaybeError TaskException BCValue
 100         mread devs = case find ((==)dev) devs of
 101                 Nothing = Error $ exception "Device doesn't exist anymore"
 102                 Just {deviceShares} = case find ((==)share) deviceShares of
 103                         Nothing = Error $ exception "Share doesn't exist anymore"
 104                         Just share = Ok share.MTaskShare.value
 105
 106         mwrite :: BCValue [MTaskDevice] -> MaybeError TaskException (Maybe [MTaskDevice])
 107         mwrite val devs = case partition ((==)dev) devs of
 108                 ([], _) = Error $ exception "Device doesn't exist anymore"
 109                 ([_,_:_], _) = Error $ exception "Multiple matching devices"
 110                 ([d=:{deviceShares}], devs) = case partition ((==)share) deviceShares of
 111                         ([], _) = Error $ exception "Share doesn't exist anymore"
 112                         ([_,_:_], _) = Error $ exception "Multiple matching shares"
 113                         ([s], shares)
 114                                 # s = {MTaskShare | s & value=val}
 115                                 # d = {MTaskDevice | d & deviceShares=[s:shares]}
 116                                 = Ok $ Just [d:devs]
 117
 118 updateShareFromPublish :: MTaskDevice Int BCValue -> Task BCValue
 119 updateShareFromPublish dev ident val = set val
 120         $ mapReadWriteError (deviceLens dev dummy)
 121         $ deviceStoreNP
 122 where
 123         dummy = {MTaskShare|value=BCValue 0,identifier=ident,withTask=[]}