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src/Gargantext/Components/Graph.purs

@@ -4,12 +4,17 @@ module Gargantext.Components.Graph
   -- , forceAtlas2Settings, ForceAtlas2Settings, ForceAtlas2OptionalSettings
   -- )
   where
-import Prelude (bind, discard, pure, ($))
+import Prelude (bind, discard, pure, ($), (<$>), (<*>))
+import Data.Either (Either(..), either, note)
 import Data.Maybe (Maybe)
 import Data.Nullable (null)
+import Data.Tuple (Tuple(..))
+import Data.Tuple.Nested ((/\))
+import DOM.Simple as DOM
 import Reactix as R
 import Reactix.DOM.HTML as RH
 import Gargantext.Hooks.Sigmax
+import Gargantext.Hooks.Sigmax.Sigma as Sigma
 import Gargantext.Hooks.Sigmax.Types as Sigmax
 
 type OnProps  = ()
@@ -26,11 +31,16 @@ type Edge = ( id :: String, source :: String, target :: String )
 
 type Graph = Sigmax.Graph Node Edge
 
-type Props sigma forceatlas2 =
+type Props sigma fa2 =
   ( graph :: Graph
-  , forceAtlas2Settings :: forceatlas2
+  , forceAtlas2Settings :: fa2
   , sigmaSettings :: sigma
-  , sigmaRef :: R.Ref (Maybe Sigma)
+  )
+
+type Last sigma fa2 =
+  ( graph :: R.Ref (Maybe Graph))
+  , fa2   :: R.Ref (Maybe fa2))
+  , sigma :: R.Ref (Maybe sigma)
   )
 
 graph :: forall s fa2. Record (Props s fa2) -> R.Element
@@ -40,11 +50,75 @@ graphCpt :: forall s fa2. R.Component (Props s fa2)
 graphCpt = R.hooksComponent "Graph" cpt
   where
     cpt props _ = do
-      ref <- R.useRef null
+      containerRef <- R2.nullRef
+      sigmaRef <- R2.nothingRef
+      last <- R2.nothingRef
+      R.useEffectOnce do
+        let r = (/\) <$> assertContainer containerRef <*> assertCreateSigma unit
+        case r of
+          Left e -> e *> pure R.nothing
+          Right (container /\ sigma) -> do
+            Sigma.setSettings sigma props.sigmaSettings
+            good <- addRenderer container sigma
+            if good
+            setLast last props
+            R.setRef sigmaRef sigma
+
+      R.useEffect3 props.graph props.forceAtlas2Settings props.sigmaSettings
+        
       startSigma ref props.sigmaRef props.sigmaSettings props.forceAtlas2Settings props.graph
 
-      pure $ RH.div { ref, style: {height: "95%"} } []
+      pure $ RH.div { ref: containerRef, style: {height: "95%"} } []
+
+graphEffect {graph, forceAtlas2Settings, sigmaSettings} =
+  R.useEffect3 graph forceAtlas2Settings sigmaSettings do
+    
+setLast :: forall s fa2. R.Ref (Record (Last s fa2)) -> R.Record (Props s fa2) -> Effect Unit
+setLast ref {graph, forceAtlas2Settings, sigmaSettings} = R.setRef ref new where
+  new = {graph, fa2: forceAtlas2Settings, sigma: sigmaSettings}
+
+assertContainer :: R.Ref (Nullable DOM.Element) -> Either (Effect Unit) DOM.Element
+assertContainer ref = note err $ R.readNullableRef containerRef where
+  err = log "[G.C.Graph.graph] container not found"
+
+assertCreateSigma :: Unit -> Either (Effect Unit) Sigma
+assertCreateSigma = either err Right $ Sigma.sigma where
+  err = log2 "[G.C.Graph.graph] Error initialising sigma: "
+
+addRenderer :: DOM.Element -> Sigma -> Effect Bool
+addRenderer container sigma = do
+  ret <- Sigma.addRenderer sigma {container, "type": "canvas"}
+  case ret of
+    Right r -> pure True
+    Left e -> log2 "[G.C.Graph.graph] Error creating renderer: " e *> pure False
 
+either err Right $ Sigma.sigma where
+  err = log2 "[G.C.Graph.graph] Error initialising sigma: "
+  
+useSigma containerRef props = do
+  sigmaRef <- R2.nothingRef
+  R.useEffectOnce $ delay unit $ \_ ->
+    case R.readNullableRef containerRef of
+      Nothing -> log "[G.C.Graph.useSigma] container not found!" *> pure R.nothing
+      Just container ->
+        case Sigma.sigma unit of
+          Left e -> log2 "[G.C.Graph.useSigma] Error initialising sigma: " e *> pure R.nothing
+          Right sigma -> do
+            log2 "[G.H.Sigmax.useSigma] Sigma initialised: " sigma
+            R.setRef sigmaRef sigma
+            pure $ Sigma.killSigma sigma
+          h sigma = do
+                log2 "[G.C.Graph.graph] Found sigma!" sigma
+  pure sigmaRef
+  where
+    named msg = "[G.C.Graph.useSigma] " <> msg
+    signed = log <<< named
+    signed2 msg = log2 <<< named msg
+
+
+
+assertAddRenderer sigma container =
+  
 type SigmaSettings =
   ( animationsTime :: Number
   , autoRescale :: Boolean

src/Gargantext/Components/Login.purs

@@ -29,7 +29,7 @@ import Gargantext.Utils.Reactix as R2
 
 type Props =
   ( backends :: Array Backend
-  , sessions :: R2.Reductor Sessions Sessions.Action
+  , sessions :: R2.Reducer Sessions Sessions.Action
   , visible :: R.State Boolean )
 
 type ModalProps = ( visible :: R.State Boolean )
@@ -104,11 +104,11 @@ chooserCpt = R.staticComponent "G.C.Login.chooser" cpt where
                  , H.ul {} [renderBackends backends backend ]
                  ]
 
-renderSessions :: R2.Reductor Sessions Sessions.Action -> R.Element
+renderSessions :: R2.Reducer Sessions Sessions.Action -> R.Element
 renderSessions sessions = R.fragment (renderSession sessions <$> unSessions (fst sessions))
 
 
-renderSession :: R2.Reductor Sessions Sessions.Action -> Session -> R.Element
+renderSession :: R2.Reducer Sessions Sessions.Action -> Session -> R.Element
 renderSession sessions session = H.li {} $ [ H.text $ "Active session: " <> show session ]
                                         <> [ H.a { on : {click}
                                                  , className: glyphicon "log-out"
@@ -140,7 +140,7 @@ renderBackend backend@(Backend {name}) state =
 
 type FormProps =
   ( backend :: Backend
-  , sessions :: R2.Reductor Sessions Sessions.Action
+  , sessions :: R2.Reducer Sessions Sessions.Action
   , visible :: R.State Boolean )
 
 form :: Record FormProps -> R.Element

src/Gargantext/Components/NgramsTable.purs

@@ -200,7 +200,7 @@ loadedNgramsTableCpt = R.hooksComponent "G.C.NgramsTable.loadedNgramsTable" cpt
       pure $ R.fragment []
 
     useNgramsReducer :: State -> R.Hooks (R.Reducer State Action')
-    useNgramsReducer init = R2.useReductor' performNgramsAction init
+    useNgramsReducer init = R2.useReducer' init performNgramsAction
 
     performNgramsAction :: Action' -> State -> Effect State
     performNgramsAction (SetParentResetChildren' term) = pure -- TODO

src/Gargantext/Hooks/Sigmax.purs

@@ -3,11 +3,11 @@ module Gargantext.Hooks.Sigmax
   -- )
   where
 
-import Prelude (Unit, bind, const, discard, flip, pure, unit, ($), (*>), (<$), (<$>), (<<<), (<>), (>>=))
+import Prelude
 import Data.Array as A
 import Data.Either (Either(..), either)
 import Data.Foldable (sequence_)
-import Data.Maybe (Maybe(..))
+import Data.Maybe (Maybe(..), isJust)
 import Data.Nullable (Nullable)
 import Data.Sequence as Seq
 import Data.Sequence (Seq)
@@ -70,36 +70,24 @@ startSigma ref sigmaRef settings forceAtlas2Settings graph = do
           Sigma.refreshForceAtlas s
       pure $ pure unit
 
--- | Manages a sigma with the given settings
-useSigma :: forall settings. R.Ref (Nullable Element) -> settings -> R.Ref (Maybe Sigma) -> R.Hooks {sigma :: Sigma, isNew :: Boolean}
-useSigma container settings sigmaRef = do
-  sigma <- newSigma sigmaRef
-  let isNew = case (readSigma sigma) of
-        Just _ -> false
-        _      -> true
-  R.useEffect1 isNew $ do
-    log2 "isNew" isNew
-    log2 "sigmaRef" $ R.readRef sigmaRef
-    log2 "sigma" sigma
-    delay unit $ handleSigma sigma (readSigma sigma)
-  pure $ {sigma, isNew}
-  where
-    newSigma sigmaRef' = do
-      let mSigma = R.readRef sigmaRef'
-      case mSigma of
-        Just sigma -> pure sigma
-        Nothing    -> do
-          s <- R2.nothingRef
-          c <- R.useRef Seq.empty
-          pure {sigma: s, cleanup: c}
-    handleSigma sigma (Just _) _ = do
-      pure R.nothing
-    handleSigma sigma Nothing _ = do
-      ret <- createSigma settings
-      traverse_ (writeSigma sigma <<< Just) ret
-      R.setRef sigmaRef $ Just sigma
-      --pure $ cleanupSigma sigma "useSigma"
-      pure $ R.nothing
+useSigma :: R.Hooks (R.Ref (Maybe Sigma))
+useSigma = do
+  sigmaRef <- R2.nothingRef
+  R.useEffectOnce $ delay unit $ \_ ->
+    case Sigma.sigma unit of
+      Left e ->
+        log2 "[G.H.Sigmax.useSigma] Error initialising sigma: " e
+      Right sigma -> do
+        log2 "[G.H.Sigmax.useSigma] Sigma initialised: " sigma
+        R.setRef sigmaRef (Sigma.sigma unit)
+
+updateSettings :: forall settings. Sigma -> R.Ref settings -> settings -> Effect Bool
+updateSettings sigma ref settings =
+  | (R.readRef ref) == settings = pure false
+  | otherwise
+      =  Sigma.setSettings sigma settings
+      *> pure $ R.setRef ref settings
+      *> pure true
 
 -- | Manages a renderer for the sigma
 useCanvasRenderer :: R.Ref (Nullable Element) -> Sigma -> R.Hooks Unit
@@ -193,8 +181,8 @@ useForceAtlas2 sigma settings =
       log sigma
       Sigma.startForceAtlas2 sig settings
       cleanupFirst sigma (Sigma.killForceAtlas2 sig)
-    startingMsg = "[Graph] Starting ForceAtlas2"
-    sigmaNotFoundMsg = "[Graph] Sigma not found, not initialising"
+    startingMsg = "[Sigmax] Starting ForceAtlas2"
+    sigmaNotFoundMsg = "[Sigmax] Sigma not found, not initialising"
 
 dependOnSigma :: Sigma -> String -> (Sigma.Sigma -> Effect Unit) -> Effect Unit
 dependOnSigma sigma notFoundMsg f = do

src/Gargantext/Hooks/Sigmax/Sigma.js

@@ -8,9 +8,9 @@ if (typeof window !== 'undefined') {
 
 require('sigma/plugins/garg.js').init(sigma, window);
 
-function _sigma(left, right, opts) {
+function _sigma(left, right) {
   try {
-    return right(new sigma(opts));
+    return right(new sigma());
   } catch(e) {
     return left(e);
   }

src/Gargantext/Hooks/Sigmax/Sigma.purs

@@ -2,7 +2,9 @@ module Gargantext.Hooks.Sigmax.Sigma where
 
 import Prelude
 import Data.Either (Either(..))
+import Data.Function.Uncurried (Fn2, runFn2)
 import Data.Nullable (null)
+import DOM.Simple.Console (log)
 import Effect (Effect, foreachE)
 import Effect.Timer (setTimeout)
 import Effect.Uncurried (EffectFn1, mkEffectFn1, runEffectFn1, EffectFn2, runEffectFn2, EffectFn3, runEffectFn3, EffectFn4, runEffectFn4)
@@ -27,15 +29,14 @@ instance edgeProps
 type Graph n e = { nodes :: Array {|n}, edges :: Array {|e} }
 type SigmaOpts s = { settings :: s }
 
-sigma :: forall opts err. SigmaOpts opts -> Effect (Either err Sigma)
-sigma = runEffectFn3 _sigma Left Right
+sigma :: forall err. Unit -> (Either err Sigma)
+sigma _ = runFn2 _sigma Left Right
 
 foreign import _sigma ::
-  forall a b opts err.
-  EffectFn3 (a -> Either a b)
-            (b -> Either a b)
-            (SigmaOpts opts)
-            (Either err Sigma)
+  forall a b err.
+  Fn2 (a -> Either a b)
+      (b -> Either a b)
+      (Either err Sigma)
 
 graphRead :: forall node edge err. Sigma -> Graph node edge -> Effect (Either err Unit)
 graphRead = runEffectFn4 _graphRead Left Right
@@ -58,13 +59,15 @@ refreshForceAtlas sigma = do
   isRunning <- isForceAtlas2Running sigma
   if isRunning then
     pure unit
-  else do
-    _ <- setTimeout 100 $ do
-      restartForceAtlas2 sigma
-      _ <- setTimeout 100 $
-        stopForceAtlas2 sigma
-      pure unit
-    pure unit
+  else
+    void do
+      log "refreshForceAtlas not running"
+      setTimeout 100 $ void do
+        log "refreshForceAtlas restarting"
+        restartForceAtlas2 sigma
+        setTimeout 2000 $ void do
+          log "refreshForceAtlas stopping"
+          stopForceAtlas2 sigma
 
 addRenderer :: forall r err. Sigma -> r -> Effect (Either err Unit)
 addRenderer = runEffectFn4 _addRenderer Left Right
@@ -109,9 +112,7 @@ bind_ s e h = runEffectFn3 _bind s e (mkEffectFn1 h)
 foreign import _bind :: forall e. EffectFn3 Sigma String (EffectFn1 e Unit) Unit
 
 setSettings :: forall settings. Sigma -> settings -> Effect Unit
-setSettings sigma settings = do
-  runEffectFn2 _setSettings sigma settings
-  refresh sigma
+setSettings = runEffectFn2 _setSettings
 
 foreign import _setSettings :: forall settings. EffectFn2 Sigma settings Unit
 
@@ -122,7 +123,7 @@ restartForceAtlas2 :: Sigma -> Effect Unit
 restartForceAtlas2 sigma = runEffectFn2 _startForceAtlas2 sigma null
 
 stopForceAtlas2 :: Sigma -> Effect Unit
-stopForceAtlas2 = runEffectFn1 _stopForceAtlas2
+stopForceAtlas2 s = runEffectFn1 _stopForceAtlas2 s *> log "stopped"
 
 killForceAtlas2 :: Sigma -> Effect Unit
 killForceAtlas2 = runEffectFn1 _killForceAtlas2

src/Gargantext/Sessions.purs

@@ -112,10 +112,10 @@ instance encodeJsonSessions :: EncodeJson Sessions where
 unSessions :: Sessions -> Array Session
 unSessions (Sessions {sessions:s}) = A.fromFoldable s
 
-useSessions :: R.Hooks (R2.Reductor Sessions Action)
-useSessions = R2.useReductor actAndSave (const loadSessions) unit
+useSessions :: R.Hooks (R2.Reducer Sessions Action)
+useSessions = R2.useReducer unit (const loadSessions) actAndSave
   where
-    actAndSave :: R2.Actor Sessions Action
+    actAndSave :: R2.Reduce Sessions Action
     actAndSave a s = act s a >>= saveSessions
 
 lookup :: SessionId -> Sessions -> Maybe Session

src/Gargantext/Utils/Reactix.purs

@@ -28,10 +28,8 @@ newtype Point = Point { x :: Number, y :: Number }
 
 -- a setter function, for useState
 type Setter t = (t -> t) -> Effect Unit
--- a reducer function living in effector, for useReductor
 
-
+-- | Turns a ReactElement into a fReactix Element
 -- | buff (v.) to polish
 buff :: ReactElement -> R.Element
 buff = unsafeCoerce
@@ -41,18 +39,6 @@ buff = unsafeCoerce
 scuff :: R.Element -> ReactElement
 scuff = unsafeCoerce
 
--- class ToElement a where
---   toElement :: a -> R.Element
-
--- instance toElementElement :: ToElement R.Element where
---   toElement = identity
-
--- instance toElementReactElement :: ToElement ReactElement where
---   toElement = buff
-
--- instance toElementArray :: ToElement a => ToElement (Array a) where
---   toElement = R.fragment <<< map toElement
-
 createElement' :: forall required given
                 . ReactPropFields required given
                => ReactClass { children :: Children | required }
@@ -60,15 +46,6 @@ createElement' :: forall required given
 createElement' reactClass props children =
   buff $ React.createElement reactClass props $ scuff <$> children
 
-{-
-instance isComponentReactClass
-      :: R.IsComponent (ReactClass { children :: Children
-                                   | props
-                                   }) props (Array R.Element) where
-  createElement reactClass props children =
-    React.createElement reactClass props children
--}
-
 -- | Turns an aff into a useEffect-compatible Effect (Effect Unit)
 affEffect :: forall a. String -> Aff a -> Effect (Effect Unit)
 affEffect errmsg aff = do
@@ -80,6 +57,7 @@ mousePosition e = Point { x: RE.clientX e, y: RE.clientY e }
 
 domMousePosition :: DE.MouseEvent -> Point
 domMousePosition = mousePosition <<< unsafeCoerce
+
 -- | This is naughty, it quietly mutates the input and returns it
 named :: forall o. String -> o -> o
 named = flip $ defineProperty "name"
@@ -125,6 +103,12 @@ readPositionRef el = do
   let posRef = R.readRef el
   Element.boundingRect <$> toMaybe posRef
 
+readRefE :: forall r. R.Ref r -> Effect r
+readRefE ref = delay unit $ \_ -> pure $ R.readRef ref
+
+readNullableRefE :: forall r. R.Ref (Nullable r) -> Effect (Maybe r)
+readNullableRefE ref = delay unit $ \_ -> pure $ R.readNullableRef ref
+
 unsafeEventTarget :: forall event. event -> DOM.Element
 unsafeEventTarget e = (unsafeCoerce e).target
 
@@ -151,19 +135,22 @@ showText = text <<< show
 
 ----- Reactix's new effectful reducer: sneak-peek because anoe wants to demo on tuesday
 
+type Reduce state action = action -> state -> Effect state
+
 -- | Like a reducer, but lives in Effect
-type Reductor state action = Tuple state (action -> Effect Unit)
+type Reducer state action = Tuple state (action -> Effect Unit)
 
--- | Like useReductor, but lives in Effect
-useReductor :: forall s a i. Actor s a -> (i -> Effect s) -> i -> R.Hooks (Reductor s a)
-useReductor f i j =
-  hook $ \_ ->
-    pure $ currySecond $ tuple $ react ... "useReducer" $ args3 (mkEffectFn2 (flip f)) j (mkEffectFn1 i)
+useReducer :: forall s a i. i -> (i -> Effect s) -> Reduce s a -> R.Hooks (Reducer s a)
+useReducer initArg init reducer =
+  hook $ \_ -> pure $ currySecond $ tuple $ react ... "useReducer" $ args
+  where
+    args = args3 (mkEffectFn2 (flip reducer)) initArg init
 
--- | Like `useReductor`, but takes an initial state instead of an
+-- | Like `useReducer`, but takes an initial state instead of an
 -- | initialiser function and argument
-useReductor' :: forall s a. Actor s a -> s -> R.Hooks (Reductor s a)
-useReductor' r = useReductor r pure
+useReducer' :: forall s a. s -> Reduce s a -> R.Hooks (Reducer s a)
+useReducer' initArg = useReducer initArg pure
 
 render :: R.Element -> DOM.Element -> Effect Unit
 render e d = delay unit $ \_ -> pure $ R.reactDOM ... "render" $ args2 e d
+