feat: disabled button when do database picked

src/Gargantext/Components/Forest/Tree/Node/Action/Search/SearchField.purs

@@ -23,6 +23,7 @@ import Gargantext.Components.ListSelection as ListSelection
 import Gargantext.Components.ListSelection.Types as ListSelection
 import Gargantext.Config.Utils (handleRESTError)
 import Gargantext.Hooks.Loader (useLoader)
+import Gargantext.Hooks.UseFeatureFlag as Feature
 import Gargantext.Sessions (Session(..))
 import Gargantext.Types (FrontendError)
 import Gargantext.Types as GT
@@ -30,7 +31,6 @@ import Gargantext.Utils.Reactix as R2
 import Reactix as R
 import Reactix.DOM.HTML as H
 import Toestand as T
-import Gargantext.Hooks.UseFeatureFlag as Feature
 
 here :: R2.Here
 here = R2.here "Gargantext.Components.Forest.Tree.Node.Action.Search.SearchField"
@@ -751,11 +751,12 @@ submitButtonComponent = here.component "submitButton" cpt
   cpt { errors, onSearch, search, selection, session } _ = do
     search' <- T.useLive T.unequal search
     selection' <- T.useLive T.unequal selection
-
+    { datafield } <- T.read search
     pure $
       H.button
-        { className: "btn btn-primary"
+        { className: "btn btn-primary " <> if datafield == External Empty then "disabled" else ""
         , "type": "button"
+        , "disabled": if datafield == External Empty then "true" else "false"
         , on: { click: doSearch onSearch errors session selection' search' }
         , style: { width: "100%" }
         }