editor sc component switched over to source handle, not yet connected to file notifications

Signed-off-by: chcurran <82187351+carlitosan@users.noreply.github.com>

Gems/ScriptCanvas/Code/Editor/Components/EditorScriptCanvasComponent.cpp

@@ -26,18 +26,20 @@
 #include <ScriptCanvas/Assets/ScriptCanvasAsset.h>
 #include <ScriptCanvas/Bus/RequestBus.h>
 #include <ScriptCanvas/Components/EditorGraph.h>
+#include <ScriptCanvas/Components/EditorUtils.h>
 #include <ScriptCanvas/Components/EditorGraphVariableManagerComponent.h>
 #include <ScriptCanvas/Components/EditorScriptCanvasComponent.h>
 #include <ScriptCanvas/Core/Node.h>
 #include <ScriptCanvas/PerformanceStatisticsBus.h>
-
+#include <LyViewPaneNames.h>
+#include <ScriptCanvas/Assets/ScriptCanvasFileHandling.h>
 
 namespace EditorScriptCanvasComponentCpp
 {
     enum Version
     {
         PrefabIntegration = 10,
-
+        AddSourceHandle,
         // add description above
         Current
     };
@@ -142,6 +144,25 @@ namespace ScriptCanvasEditor
             }
         }
 
+        if (rootElement.GetVersion() < EditorScriptCanvasComponentCpp::Version::AddSourceHandle)
+        {
+            ScriptCanvasAssetHolder assetHolder;
+            if (!rootElement.FindSubElementAndGetData(AZ_CRC_CE("m_assetHolder"), assetHolder))
+            {
+                AZ_Error("ScriptCanvas", false, "EditorScriptCanvasComponent conversion failed: could not retrieve old 'm_assetHolder'");
+                return false;
+            }
+
+            auto assetId = assetHolder.GetAssetId();
+            auto path = assetHolder.GetAssetHint();
+
+            if (!rootElement.AddElementWithData(serializeContext, "runtimeDataOverrides", SourceHandle(nullptr, assetId.m_guid, path)))
+            {
+                AZ_Error("ScriptCanvas", false, "EditorScriptCanvasComponent conversion failed: failed to add 'sourceHandle'");
+                return false;
+            }
+        }
+
         return true;
     }
 
@@ -153,9 +174,9 @@ namespace ScriptCanvasEditor
             serializeContext->Class<EditorScriptCanvasComponent, EditorComponentBase>()
                 ->Version(EditorScriptCanvasComponentCpp::Version::Current, &EditorScriptCanvasComponentVersionConverter)
                 ->Field("m_name", &EditorScriptCanvasComponent::m_name)
-                ->Field("m_assetHolder", &EditorScriptCanvasComponent::m_scriptCanvasAssetHolder)
                 ->Field("runtimeDataIsValid", &EditorScriptCanvasComponent::m_runtimeDataIsValid)
                 ->Field("runtimeDataOverrides", &EditorScriptCanvasComponent::m_variableOverrides)
+                ->Field("sourceHandle", &EditorScriptCanvasComponent::m_sourceHandle)
                 ;
 
             if (AZ::EditContext* editContext = serializeContext->GetEditContext())
@@ -171,7 +192,7 @@ namespace ScriptCanvasEditor
                     ->Attribute(AZ::Edit::Attributes::AppearsInAddComponentMenu, AZ_CRC("UI", 0x27ff46b0))
                     ->Attribute(AZ::Edit::Attributes::AppearsInAddComponentMenu, AZ_CRC("Level", 0x9aeacc13))
                     ->Attribute(AZ::Edit::Attributes::HelpPageURL, "https://o3de.org/docs/user-guide/components/reference/scripting/script-canvas/")
-                    ->DataElement(AZ::Edit::UIHandlers::Default, &EditorScriptCanvasComponent::m_scriptCanvasAssetHolder, "Script Canvas Asset", "Script Canvas asset associated with this component")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &EditorScriptCanvasComponent::m_sourceHandle, "Script Canvas Source File", "Script Canvas source file associated with this component")
                     ->Attribute(AZ::Edit::Attributes::Visibility, AZ::Edit::PropertyVisibility::ShowChildrenOnly)
                     ->DataElement(AZ::Edit::UIHandlers::Default, &EditorScriptCanvasComponent::m_variableOverrides, "Properties", "Script Canvas Graph Properties")
                     ->Attribute(AZ::Edit::Attributes::Visibility, AZ::Edit::PropertyVisibility::ShowChildrenOnly)
@@ -181,19 +202,13 @@ namespace ScriptCanvasEditor
     }
 
     EditorScriptCanvasComponent::EditorScriptCanvasComponent()
-        : EditorScriptCanvasComponent(AZ::Data::Asset<ScriptCanvasAsset>())
+        : EditorScriptCanvasComponent(SourceHandle())
     {
     }
 
-    EditorScriptCanvasComponent::EditorScriptCanvasComponent(AZ::Data::Asset<ScriptCanvasAsset> asset)
-        : m_scriptCanvasAssetHolder()
+    EditorScriptCanvasComponent::EditorScriptCanvasComponent(const SourceHandle& sourceHandle)
+        : m_sourceHandle(sourceHandle)
     {
-        if (asset.GetId().IsValid())
-        {
-            m_scriptCanvasAssetHolder.SetAsset(asset.GetId());
-        }
-
-        m_scriptCanvasAssetHolder.SetScriptChangedCB([this](AZ::Data::AssetId assetId) { OnScriptCanvasAssetChanged(assetId); });
     }
 
     EditorScriptCanvasComponent::~EditorScriptCanvasComponent()
@@ -209,44 +224,37 @@ namespace ScriptCanvasEditor
 
     void EditorScriptCanvasComponent::UpdateName()
     {
-        AZ::Data::AssetId assetId = m_scriptCanvasAssetHolder.GetAssetId();
-        if (assetId.IsValid())
+        SetName(m_sourceHandle.Path().Filename().Native());
+    }
+
+    void EditorScriptCanvasComponent::OpenEditor()
     {
-            // Pathname from the asset doesn't seem to return a value unless the asset has been loaded up once(which isn't done until we try to show it).
-            // Using the Job system to determine the asset name instead.
-            AZ::Outcome<AzToolsFramework::AssetSystem::JobInfoContainer> jobOutcome = AZ::Failure();
-            AzToolsFramework::AssetSystemJobRequestBus::BroadcastResult(jobOutcome, &AzToolsFramework::AssetSystemJobRequestBus::Events::GetAssetJobsInfoByAssetID, assetId, false, false);
+        AzToolsFramework::OpenViewPane(LyViewPane::ScriptCanvas);
          
-            AZStd::string assetPath;
-            AZStd::string assetName;
+        AZ::Outcome<int, AZStd::string> openOutcome = AZ::Failure(AZStd::string());
          
-            if (jobOutcome.IsSuccess())
+        if (m_sourceHandle.IsValid())
         {
-                AzToolsFramework::AssetSystem::JobInfoContainer& jobs = jobOutcome.GetValue();
+            GeneralRequestBus::BroadcastResult(openOutcome, &GeneralRequests::OpenScriptCanvasAsset, m_sourceHandle, -1);
          
-                // Get the asset relative path
-                if (!jobs.empty())
+            if (!openOutcome)
             {
-                    assetPath = jobs[0].m_sourceFile;
+                AZ_Warning("Script Canvas", openOutcome, "%s", openOutcome.GetError().data());
             }
+        }
+        else if (GetEntityId().IsValid())
+        {
+            AzToolsFramework::EntityIdList selectedEntityIds;
+            AzToolsFramework::ToolsApplicationRequestBus::BroadcastResult(selectedEntityIds, &AzToolsFramework::ToolsApplicationRequests::GetSelectedEntities);
          
-                // Get the asset file name
-                assetName = assetPath;
-
-                if (!assetPath.empty())
+            // Going to bypass the multiple selected entities flow for right now.
+            if (selectedEntityIds.size() == 1)
             {
-                    AzFramework::StringFunc::Path::GetFileName(assetPath.c_str(), assetName);
-                    SetName(assetName);
-                }
+                GeneralRequestBus::Broadcast(&GeneralRequests::CreateScriptCanvasAssetFor, AZStd::make_pair(GetEntityId(), GetId()));
             }
         }
     }
 
-    void EditorScriptCanvasComponent::OpenEditor()
-    {
-        m_scriptCanvasAssetHolder.OpenEditor();
-    }
-
     void EditorScriptCanvasComponent::Init()
     {
         EditorComponentBase::Init();
@@ -260,6 +268,8 @@ namespace ScriptCanvasEditor
     {
         EditorComponentBase::Activate();
 
+        AzToolsFramework::AssetSystemBus::Handler::BusConnect();
+
         AZ::EntityId entityId = GetEntityId();
 
         EditorContextMenuRequestBus::Handler::BusConnect(entityId);
@@ -268,19 +278,13 @@ namespace ScriptCanvasEditor
         EditorScriptCanvasComponentLoggingBus::Handler::BusConnect(entityId);
         EditorLoggingComponentNotificationBus::Broadcast(&EditorLoggingComponentNotifications::OnEditorScriptCanvasComponentActivated, GetNamedEntityId(), GetGraphIdentifier());
 
-        AZ::Data::AssetId fileAssetId = m_scriptCanvasAssetHolder.GetAssetId();
-
-        if (fileAssetId.IsValid())
-        {
-            AssetTrackerNotificationBus::Handler::BusConnect(fileAssetId);
         AzToolsFramework::ToolsApplicationNotificationBus::Broadcast(&AzToolsFramework::ToolsApplicationEvents::InvalidatePropertyDisplay, AzToolsFramework::Refresh_EntireTree_NewContent);
     }
-    }
 
     //=========================================================================
     void EditorScriptCanvasComponent::Deactivate()
     {
-        AssetTrackerNotificationBus::Handler::BusDisconnect();
+        AzToolsFramework::AssetSystemBus::Handler::BusDisconnect();
 
         EditorScriptCanvasComponentLoggingBus::Handler::BusDisconnect();
         EditorLoggingComponentNotificationBus::Broadcast(&EditorLoggingComponentNotifications::OnEditorScriptCanvasComponentDeactivated, GetNamedEntityId(), GetGraphIdentifier());
@@ -297,7 +301,7 @@ namespace ScriptCanvasEditor
 
         m_runtimeDataIsValid = false;
 
-        auto assetTreeOutcome = LoadEditorAssetTree(m_scriptCanvasAssetHolder.GetAssetId(), m_scriptCanvasAssetHolder.GetAssetHint());
+        auto assetTreeOutcome = LoadEditorAssetTree(m_sourceHandle.Id(), m_sourceHandle.Path().c_str());
         if (!assetTreeOutcome.IsSuccess())
         {
             AZ_Warning("ScriptCanvas", false, "EditorScriptCanvasComponent::BuildGameEntityData failed: %s", assetTreeOutcome.GetError().c_str());
@@ -335,7 +339,8 @@ namespace ScriptCanvasEditor
 
         if (!m_runtimeDataIsValid)
         {
-            AZ_Error("ScriptCanvasBuilder", false, "Runtime information did not build for ScriptCanvas Component using asset: %s", m_scriptCanvasAssetHolder.GetAssetId().ToString<AZStd::string>().c_str());
+            AZ_Error("ScriptCanvasBuilder", false, "Runtime information did not build for ScriptCanvas Component using asset: %s"
+                , m_sourceHandle.ToString().c_str());
             return;
         }
 
@@ -343,123 +348,53 @@ namespace ScriptCanvasEditor
         runtimeComponent->TakeRuntimeDataOverrides(ConvertToRuntime(m_variableOverrides));
     }
 
-    void EditorScriptCanvasComponent::OnCatalogAssetAdded(const AZ::Data::AssetId& assetId)
-    {
-        if (m_removedCatalogId == assetId)
-        {
-            if (!m_scriptCanvasAssetHolder.GetAssetId().IsValid())
-            {
-                SetPrimaryAsset(assetId);
-                m_removedCatalogId.SetInvalid();
-            }
-        }
-    }
-    void EditorScriptCanvasComponent::OnCatalogAssetRemoved(const AZ::Data::AssetId& removedAssetId, const AZ::Data::AssetInfo& /*assetInfo*/)
-    {
-        AZ::Data::AssetId assetId = m_scriptCanvasAssetHolder.GetAssetId();
-        if (assetId == removedAssetId)
-        {
-            m_removedCatalogId = assetId;
-            SetPrimaryAsset({});
-        }
-    }
-
     void EditorScriptCanvasComponent::SetPrimaryAsset(const AZ::Data::AssetId& assetId)
     {
-        m_scriptCanvasAssetHolder.ClearAsset();
+        m_sourceHandle = SourceHandle(nullptr, assetId.m_guid, {});
 
-        if (assetId.IsValid())
+        auto completeAsset = CompleteDescription(m_sourceHandle);
+        if (completeAsset)
         {
-            ScriptCanvasMemoryAsset::pointer memoryAsset;
-            AssetTrackerRequestBus::BroadcastResult(memoryAsset, &AssetTrackerRequests::GetAsset, assetId);
-
-            if (memoryAsset)
-            {
-                m_scriptCanvasAssetHolder.SetAsset(memoryAsset->GetFileAssetId());
-                OnScriptCanvasAssetChanged(memoryAsset->GetFileAssetId());
-                SetName(memoryAsset->GetTabName());
-            }
-            else
-            {
-                auto scriptCanvasAsset = AZ::Data::AssetManager::Instance().FindAsset(assetId, AZ::Data::AssetLoadBehavior::Default);
-                if (scriptCanvasAsset)
-                {
-                    m_scriptCanvasAssetHolder.SetAsset(assetId);
-                }
-            }
+            m_sourceHandle = *completeAsset;
         }
 
+        OnScriptCanvasAssetChanged(m_sourceHandle);
+        SetName(m_sourceHandle.Path().Filename().Native());
         AzToolsFramework::ToolsApplicationEvents::Bus::Broadcast(&AzToolsFramework::ToolsApplicationEvents::InvalidatePropertyDisplay, AzToolsFramework::Refresh_AttributesAndValues);
     }
 
     AZ::Data::AssetId EditorScriptCanvasComponent::GetAssetId() const
     {
-        return m_scriptCanvasAssetHolder.GetAssetId();
-    }
-
-    AZ::EntityId EditorScriptCanvasComponent::GetGraphEntityId() const
-    {
-        AZ::EntityId scriptCanvasEntityId;
-        AZ::Data::AssetId assetId = m_scriptCanvasAssetHolder.GetAssetId();
-
-        if (assetId.IsValid())
-        {
-            AssetTrackerRequestBus::BroadcastResult(scriptCanvasEntityId, &AssetTrackerRequests::GetScriptCanvasId, assetId);
-        }
-
-        return scriptCanvasEntityId;
-    }
-
-    void EditorScriptCanvasComponent::OnAssetReady(const ScriptCanvasMemoryAsset::pointer asset)
-    {
-        OnScriptCanvasAssetReady(asset);
-    }
-
-    void EditorScriptCanvasComponent::OnAssetSaved(const ScriptCanvasMemoryAsset::pointer asset, bool isSuccessful)
-    {
-        if (isSuccessful)
-        {
-            OnScriptCanvasAssetReady(asset);
-        }
+        return m_sourceHandle.Id();
     }
 
-    void EditorScriptCanvasComponent::OnAssetReloaded(const ScriptCanvasMemoryAsset::pointer asset)
+    void EditorScriptCanvasComponent::OnScriptCanvasAssetChanged(const SourceHandle& assetId)
     {
-        OnScriptCanvasAssetReady(asset);
-    }
-
-    void EditorScriptCanvasComponent::OnScriptCanvasAssetChanged(AZ::Data::AssetId assetId)
-    {
-        AssetTrackerNotificationBus::Handler::BusDisconnect();
         ScriptCanvas::GraphIdentifier newIdentifier = GetGraphIdentifier();
-        newIdentifier.m_assetId = assetId;
+        newIdentifier.m_assetId = assetId.Id();
 
         ScriptCanvas::GraphIdentifier oldIdentifier = GetGraphIdentifier();
-        oldIdentifier.m_assetId = m_previousAssetId;
+        oldIdentifier.m_assetId = m_previousHandle.Id();
 
         EditorLoggingComponentNotificationBus::Broadcast(&EditorLoggingComponentNotifications::OnAssetSwitched, GetNamedEntityId(), newIdentifier, oldIdentifier);
 
-        m_previousAssetId = m_scriptCanvasAssetHolder.GetAssetId();
+        m_previousHandle = m_sourceHandle.Describe();
 
         // Only clear our variables when we are given a new asset id
         // or when the asset was explicitly set to empty.
         //
         // i.e. do not clear variables when we lose the catalog asset.
-        if ((assetId.IsValid() && assetId != m_removedCatalogId)
-            || (!assetId.IsValid() && !m_removedCatalogId.IsValid()))
+        if ((assetId.IsValidDescription() && assetId.Describe() != m_removedHandle.Describe())
+            || (!assetId.IsValidDescription() && !m_removedHandle.IsValidDescription()))
         {
             ClearVariables();
         }
 
-        if (assetId.IsValid())
+        if (assetId.IsValidDescription())
         {
-            AssetTrackerNotificationBus::Handler::BusConnect(assetId);
-
-            ScriptCanvasMemoryAsset::pointer memoryAsset;
-            AssetTrackerRequestBus::BroadcastResult(memoryAsset, &AssetTrackerRequests::GetAsset, assetId);
-            if (memoryAsset && memoryAsset->GetAsset().GetStatus() == AZ::Data::AssetData::AssetStatus::Ready)
+            if (auto loaded = LoadFromFile(assetId.Path().c_str()); loaded.IsSuccess())
             {
-                OnScriptCanvasAssetReady(memoryAsset);
+                OnScriptCanvasAssetReady(loaded.GetValue());
             }
         }
 
@@ -476,39 +411,49 @@ namespace ScriptCanvasEditor
         AZ::ScriptSystemRequestBus::Broadcast(&AZ::ScriptSystemRequests::GarbageCollect);
     }
 
-    void EditorScriptCanvasComponent::SetAssetId(const AZ::Data::AssetId& assetId)
+    void EditorScriptCanvasComponent::SetAssetId(const SourceHandle& assetId)
     {
-        if (m_scriptCanvasAssetHolder.GetAssetId() != assetId)
+        if (m_sourceHandle.Describe() != assetId.Describe())
         {
             // Invalidate the previously removed catalog id if we are setting a new asset id
-            m_removedCatalogId.SetInvalid();
-            SetPrimaryAsset(assetId);
+            m_removedHandle = {};
+            SetPrimaryAsset(assetId.Id());
         }
     }
 
+    void EditorScriptCanvasComponent::SourceFileChanged(AZStd::string /*relativePath*/, AZStd::string /*scanFolder*/, AZ::Uuid /*fileAssetId*/)
+    {}
+
+    void EditorScriptCanvasComponent::SourceFileRemoved(AZStd::string /*relativePath*/, AZStd::string /*scanFolder*/, AZ::Uuid /*fileAssetId*/)
+    {}
+
+    void EditorScriptCanvasComponent::SourceFileFailed(AZStd::string /*relativePath*/, AZStd::string /*scanFolder*/, AZ::Uuid /*fileAssetId*/)
+    {}
+
     bool EditorScriptCanvasComponent::HasAssetId() const
     {
-        return m_scriptCanvasAssetHolder.GetAssetId().IsValid();
+        return !m_sourceHandle.Id().IsNull();
     }
 
     ScriptCanvas::GraphIdentifier EditorScriptCanvasComponent::GetGraphIdentifier() const
     {
         // For now we don't want to deal with disambiguating duplicates of the same script running on one entity.
         // Should that change we need to add the component id back into this.
-        return ScriptCanvas::GraphIdentifier(m_scriptCanvasAssetHolder.GetAssetId(), 0);
+        return ScriptCanvas::GraphIdentifier(m_sourceHandle.Id(), 0);
     }
 
-    void EditorScriptCanvasComponent::OnScriptCanvasAssetReady(const ScriptCanvasMemoryAsset::pointer memoryAsset)
+    void EditorScriptCanvasComponent::OnScriptCanvasAssetReady(const SourceHandle& sourceHandle)
     {
-        if (memoryAsset->GetFileAssetId() == m_scriptCanvasAssetHolder.GetAssetId())
+        if (sourceHandle.IsValid())
         {
-            auto assetData = memoryAsset->GetAsset();
-            [[maybe_unused]] AZ::Entity* scriptCanvasEntity = assetData->GetScriptCanvasEntity();
-            AZ_Assert(scriptCanvasEntity, "This graph must have a valid entity");
             BuildGameEntityData();
             UpdateName();
             AzToolsFramework::ToolsApplicationNotificationBus::Broadcast(&AzToolsFramework::ToolsApplicationEvents::InvalidatePropertyDisplay, AzToolsFramework::Refresh_EntireTree_NewContent);
         }
+        else
+        {
+            // #sc_editor_asset clear or disable something
+        }
     }
 
     void EditorScriptCanvasComponent::ClearVariables()

Gems/ScriptCanvas/Code/Editor/Components/EditorUtils.cpp

@@ -17,6 +17,7 @@ AZ_POP_DISABLE_WARNING
 #include <ScriptCanvas/Libraries/Core/EBusEventHandler.h>
 #include <ScriptCanvas/Libraries/Core/ReceiveScriptEvent.h>
 #include <ScriptCanvas/Utils/NodeUtils.h>
+#include <AzToolsFramework/API/EditorAssetSystemAPI.h>
 
 #include <Editor/GraphCanvas/GraphCanvasEditorNotificationBusId.h>
 #include <Editor/Include/ScriptCanvas/GraphCanvas/NodeDescriptorBus.h>
@@ -30,6 +31,44 @@ AZ_POP_DISABLE_WARNING
 
 namespace ScriptCanvasEditor
 {
+    AZStd::optional<SourceHandle> CompleteDescription(const SourceHandle& source)
+    {
+        if (source.IsValidDescription())
+        {
+            return source.Describe();
+        }
+
+        AZStd::string watchFolder;
+        AZ::Data::AssetInfo assetInfo;
+        bool sourceInfoFound{};
+
+        if (!source.Id().IsNull())
+        {
+            AzToolsFramework::AssetSystemRequestBus::BroadcastResult
+                ( sourceInfoFound
+                , &AzToolsFramework::AssetSystemRequestBus::Events::GetSourceInfoBySourceUUID, source.Id(), assetInfo, watchFolder);
+
+            if (sourceInfoFound && !assetInfo.m_relativePath.empty())
+            {
+                return SourceHandle(nullptr, assetInfo.m_assetId.m_guid, assetInfo.m_relativePath);
+            }
+        }
+
+        if (!source.Path().empty())
+        {
+            AzToolsFramework::AssetSystemRequestBus::BroadcastResult
+                ( sourceInfoFound
+                , &AzToolsFramework::AssetSystemRequestBus::Events::GetSourceInfoBySourcePath, source.Path().c_str(), assetInfo, watchFolder);
+
+            if (sourceInfoFound && assetInfo.m_assetId.IsValid())
+            {
+                return SourceHandle(nullptr, assetInfo.m_assetId.m_guid, assetInfo.m_relativePath);
+            }
+        }
+
+        return AZStd::nullopt;
+    }
+
     //////////////////////////
     // NodeIdentifierFactory
     //////////////////////////

Gems/ScriptCanvas/Code/Editor/Include/ScriptCanvas/Bus/EditorScriptCanvasBus.h

@@ -72,7 +72,7 @@ namespace ScriptCanvasEditor
         static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::ById;
         using BusIdType = AZ::EntityId;
 
-        virtual void SetAssetId(const AZ::Data::AssetId& assetId) = 0;
+        virtual void SetAssetId(const SourceHandle& assetId) = 0;
         virtual bool HasAssetId() const = 0;
     };
 
@@ -92,31 +92,6 @@ namespace ScriptCanvasEditor
 
     using EditorContextMenuRequestBus = AZ::EBus<EditorContextMenuRequests>;
         
-    class EditorScriptCanvasAssetNotifications : public AZ::EBusTraits
-    {
-    public:
-        static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::ById;
-        using BusIdType = AZ::Data::AssetId;
-
-        //! Notification which fires after an EditorGraph has received it's on AssetReady callback
-        //! \param scriptCanvasAsset Script Canvas asset which is now ready for use in the Editor
-        virtual void OnScriptCanvasAssetReady(const AZ::Data::Asset<ScriptCanvas::ScriptCanvasAssetBase>& /*scriptCanvasAsset*/) {};
-
-        //! Notification which fires after an EditorGraph has received it's on AssetReloaded callback
-        //! \param scriptCanvasAsset Script Canvas asset which is now ready for use in the Editor
-        virtual void OnScriptCanvasAssetReloaded(const AZ::Data::Asset<ScriptCanvas::ScriptCanvasAssetBase>& /*scriptCanvaAsset */) {};
-
-        //! Notification which fires after an EditorGraph has received it's on AssetReady callback
-        //! \param AssetId AssetId of unloaded ScriptCanvas
-        virtual void OnScriptCanvasAssetUnloaded(const AZ::Data::AssetId& /*assetId*/) {};
-
-        //! Notification which fires after an EditorGraph has received an onAssetSaved callback
-        //! \param scriptCanvasAsset Script Canvas asset which was attempted to be saved
-        //! \param isSuccessful specified where the Script Canvas asset was successfully saved
-        virtual void OnScriptCanvasAssetSaved(const AZ::Data::AssetId) {};
-    };
-    using EditorScriptCanvasAssetNotificationBus = AZ::EBus<EditorScriptCanvasAssetNotifications>;
-    
     class EditorGraphRequests : public AZ::EBusTraits
     {
     public:

Gems/ScriptCanvas/Code/Editor/Include/ScriptCanvas/Components/EditorScriptCanvasComponent.h

@@ -17,6 +17,7 @@
 #include <ScriptCanvas/Bus/EditorScriptCanvasBus.h>
 #include <ScriptCanvas/Execution/RuntimeComponent.h>
 #include <ScriptCanvas/Variable/VariableBus.h>
+#include <AzToolsFramework/API/EditorAssetSystemAPI.h>
 
 namespace ScriptCanvasEditor
 {
@@ -34,10 +35,9 @@ namespace ScriptCanvasEditor
         : public AzToolsFramework::Components::EditorComponentBase
         , private EditorContextMenuRequestBus::Handler
         , private AzFramework::AssetCatalogEventBus::Handler
+        , private AzToolsFramework::AssetSystemBus::Handler
         , private EditorScriptCanvasComponentLoggingBus::Handler
         , private EditorScriptCanvasComponentRequestBus::Handler
-        , private AssetTrackerNotificationBus::Handler
-        , private AzToolsFramework::AssetSystemBus::Handler
         , private AzToolsFramework::EditorEntityContextNotificationBus::Handler
 
     {
@@ -46,7 +46,7 @@ namespace ScriptCanvasEditor
 
         EditorScriptCanvasComponent();
         // EditorScriptCanvasComponent(AZ::Data::Asset<ScriptCanvasAsset> asset);
-        EditorScriptCanvasComponent(AZ::Data::Asset<ScriptCanvasAsset> asset);
+        EditorScriptCanvasComponent(const SourceHandle& sourceHandle);
         ~EditorScriptCanvasComponent() override;
 
         //=====================================================================
@@ -70,14 +70,14 @@ namespace ScriptCanvasEditor
 
         void OpenEditor();
         
-        void SetName(const AZStd::string& name) { m_name = name; }
+        void SetName(AZStd::string_view name) { m_name = name; }
         const AZStd::string& GetName() const;
         AZ::EntityId GetEditorEntityId() const { return GetEntity() ? GetEntityId() : AZ::EntityId(); }
         AZ::NamedEntityId GetNamedEditorEntityId() const { return GetEntity() ? GetNamedEntityId() : AZ::NamedEntityId(); }
 
         //=====================================================================
         // EditorScriptCanvasComponentRequestBus
-        void SetAssetId(const AZ::Data::AssetId& assetId) override;
+        void SetAssetId(const SourceHandle& assetId) override;
         bool HasAssetId() const override;
         //=====================================================================
 
@@ -85,13 +85,12 @@ namespace ScriptCanvasEditor
         // EditorContextMenuRequestBus
         AZ::Data::AssetId GetAssetId() const override;
         //=====================================================================
-        AZ::EntityId GetGraphEntityId() const;
         
         //=====================================================================
         // AssetTrackerNotificationBus
-        void OnAssetReady(const ScriptCanvasMemoryAsset::pointer asset) override;
-        void OnAssetSaved(const ScriptCanvasMemoryAsset::pointer asset, bool isSuccessful) override;
-        void OnAssetReloaded(const ScriptCanvasMemoryAsset::pointer asset) override;
+        void OnAssetReady(const ScriptCanvasMemoryAsset::pointer asset) ;
+        void OnAssetSaved(const ScriptCanvasMemoryAsset::pointer asset, bool isSuccessful) ;
+        void OnAssetReloaded(const ScriptCanvasMemoryAsset::pointer asset) ;
         //=====================================================================
 
 
@@ -119,25 +118,30 @@ namespace ScriptCanvasEditor
             (void)incompatible;
         }
 
-        void OnCatalogAssetAdded(const AZ::Data::AssetId& assetId) override;
-        void OnCatalogAssetRemoved(const AZ::Data::AssetId& assetId, const AZ::Data::AssetInfo& assetInfo) override;
-        void OnScriptCanvasAssetChanged(AZ::Data::AssetId assetId);
+        // complete the id, load call OnScriptCanvasAssetChanged
+        void SourceFileChanged(AZStd::string relativePath, AZStd::string scanFolder, AZ::Uuid fileAssetId) override;
+
+        // update the display icon for failure, save the values in the graph
+        void SourceFileRemoved(AZStd::string relativePath, AZStd::string scanFolder, AZ::Uuid fileAssetId) override;
+        void SourceFileFailed(AZStd::string relativePath, AZStd::string scanFolder, AZ::Uuid fileAssetId) override;
+
+        void OnScriptCanvasAssetChanged(const SourceHandle& sourceHandle);
 
         void UpdateName();
 
         //=====================================================================
-        void OnScriptCanvasAssetReady(const ScriptCanvasMemoryAsset::pointer asset);
+        void OnScriptCanvasAssetReady(const SourceHandle& sourceHandle);
         //=====================================================================
 
         void BuildGameEntityData();
         void ClearVariables();
 
     private:
-        AZ::Data::AssetId m_removedCatalogId;
-        AZ::Data::AssetId m_previousAssetId;
         AZStd::string m_name;
-        ScriptCanvasAssetHolder m_scriptCanvasAssetHolder;
         bool m_runtimeDataIsValid = false;
         ScriptCanvasBuilder::BuildVariableOverrides m_variableOverrides;
+        SourceHandle m_sourceHandle;
+        SourceHandle m_previousHandle;
+        SourceHandle m_removedHandle;
     };
 }

Gems/ScriptCanvas/Code/Editor/Include/ScriptCanvas/Components/EditorUtils.h

@@ -21,6 +21,8 @@ namespace GraphCanvas
 
 namespace ScriptCanvasEditor
 {
+    AZStd::optional<SourceHandle> CompleteDescription(const SourceHandle& source);
+
     class Graph;
     class NodePaletteModel;
 

Gems/ScriptCanvas/Code/Editor/ReflectComponent.cpp

@@ -31,6 +31,7 @@ namespace ScriptCanvasEditor
 {
     void ReflectComponent::Reflect(AZ::ReflectContext* context)
     {
+        SourceHandle::Reflect(context);
         ScriptCanvas::ScriptCanvasData::Reflect(context);
         ScriptCanvasAssetHolder::Reflect(context);
         EditorSettings::EditorWorkspace::Reflect(context);        

Gems/ScriptCanvas/Code/Editor/View/Windows/MainWindow.cpp

@@ -1946,7 +1946,7 @@ namespace ScriptCanvasEditor
                 {
                     if (auto firstRequestBus = EditorScriptCanvasComponentRequestBus::FindFirstHandler(entity->GetId()))
                     {
-                        firstRequestBus->SetAssetId(memoryAsset.Id());
+                        firstRequestBus->SetAssetId(memoryAsset.Describe());
                     }
                 }
                 else
@@ -1955,7 +1955,7 @@ namespace ScriptCanvasEditor
                     {
                         if (editorComponent->GetAssetId() == oldId)
                         {
-                            editorComponent->SetAssetId(memoryAsset.Id());
+                            editorComponent->SetAssetId(memoryAsset.Describe());
                             break;
                         }
                     }
@@ -4379,15 +4379,7 @@ namespace ScriptCanvasEditor
 
         if (usableRequestBus)
         {
-            ScriptCanvasMemoryAsset::pointer memoryAsset;
-            // #sc_editor_asset
-            // AssetTrackerRequestBus::BroadcastResult(memoryAsset, &AssetTrackerRequests::GetAsset, m_activeGraph);
-
-            if (memoryAsset)
-            {
-                // We need to assign the AssetId for the file asset, not the in-memory asset
-                usableRequestBus->SetAssetId(memoryAsset->GetFileAssetId());
-            }
+            usableRequestBus->SetAssetId(m_activeGraph.Describe());
         }
     }
 

Gems/ScriptCanvas/Code/Include/ScriptCanvas/Core/Core.cpp

@@ -6,6 +6,7 @@
  *
  */
 
+
 #include <AzCore/Component/ComponentApplicationBus.h>
 #include <AzCore/Interface/Interface.h>
 #include <AzCore/RTTI/AttributeReader.h>
@@ -14,9 +15,8 @@
 #include <AzCore/StringFunc/StringFunc.h>
 #include <Editor/Include/ScriptCanvas/Assets/ScriptCanvasBaseAssetData.h>
 
-#include "Core.h"
 #include "Attributes.h"
-
+#include "Core.h"
 #include <Core/Graph.h>
 
 namespace ScriptCanvas
@@ -238,6 +238,11 @@ namespace ScriptCanvasEditor
         return m_data != nullptr;
     }
 
+    bool SourceHandle::IsValidDescription() const
+    {
+        return !m_id.IsNull() && !m_path.empty();
+    }
+
     GraphPtr SourceHandle::Mod() const
     {
         return m_data ? m_data->ModEditorGraph() : nullptr;
@@ -265,6 +270,30 @@ namespace ScriptCanvasEditor
         return m_path == other.m_path;
     }
 
+    void SourceHandle::Reflect(AZ::ReflectContext* context)
+    {
+        if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
+        {
+            serializeContext->Class<SourceHandle>()
+                ->Version(0)
+                ->Field("id", &SourceHandle::m_id)
+                ->Field("path", &SourceHandle::m_path)
+                ;
+
+            if (AZ::EditContext* editContext = serializeContext->GetEditContext())
+            {
+                editContext->Class<SourceHandle>("Script Canvas Source Handle", "References a source editor file")
+                    ->ClassElement(AZ::Edit::ClassElements::EditorData, "")
+                    ->Attribute(AZ::Edit::Attributes::Category, "Scripting")
+                    ->Attribute(AZ::Edit::Attributes::Icon, "Icons/ScriptCanvas/ScriptCanvas.svg")
+                    ->Attribute(AZ::Edit::Attributes::ViewportIcon, "Icons/ScriptCanvas/Viewport/ScriptCanvas.svg")
+                    ->Attribute(AZ::Edit::Attributes::AutoExpand, true)
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &SourceHandle::m_path);
+                    ;
+            }
+        }
+    }
+
     AZStd::string SourceHandle::ToString() const
     {
         return AZStd::string::format

Gems/ScriptCanvas/Code/Include/ScriptCanvas/Core/Core.h

@@ -325,6 +325,8 @@ namespace ScriptCanvasEditor
         AZ_TYPE_INFO(SourceHandle, "{65855A98-AE2F-427F-BFC8-69D45265E312}");
         AZ_CLASS_ALLOCATOR(SourceHandle, AZ::SystemAllocator, 0);
 
+        static void Reflect(AZ::ReflectContext* context);
+
         SourceHandle() = default;
 
         SourceHandle(const SourceHandle& data, const AZ::Uuid& id, const AZ::IO::Path& path);
@@ -344,6 +346,8 @@ namespace ScriptCanvasEditor
 
         bool IsValid() const;
 
+        bool IsValidDescription() const;
+
         GraphPtr Mod() const;
 
         bool operator==(const SourceHandle& other) const;
@@ -372,8 +376,8 @@ namespace ScriptCanvas
 
         AZ_RTTI(ScriptCanvasData, "{1072E894-0C67-4091-8B64-F7DB324AD13C}");
         AZ_CLASS_ALLOCATOR(ScriptCanvasData, AZ::SystemAllocator, 0);
-        ScriptCanvasData() {}
-        virtual ~ScriptCanvasData() {}
+        ScriptCanvasData() = default;
+        virtual ~ScriptCanvasData() = default;
         ScriptCanvasData(ScriptCanvasData&& other);
         ScriptCanvasData& operator=(ScriptCanvasData&& other);
 

Gems/ScriptCanvasTesting/Assets/ScriptCanvas/Tests/$tmp29198_Test_LY_79396.scriptcanvas

@@ -0,0 +1,69 @@
+{
+    "Type": "JsonSerialization",
+    "Version": 1,
+    "ClassName": "ScriptCanvasData",
+    "ClassData": {
+        "m_scriptCanvas": {
+            "Id": {
+                "id": 32884619828465
+            },
+            "Name": "Script Canvas Graph",
+            "Components": {
+                "Component_[14322649685925277086]": {
+                    "$type": "EditorGraphVariableManagerComponent",
+                    "Id": 14322649685925277086,
+                    "m_variableData": {
+                        "m_nameVariableMap": [
+                            {
+                                "Key": {
+                                    "m_id": "{142C0457-38E5-496E-A4F2-67E91852CBCB}"
+                                },
+                                "Value": {
+                                    "Datum": {
+                                        "isOverloadedStorage": false,
+                                        "scriptCanvasType": {
+                                            "m_type": 4,
+                                            "m_azType": "{5CBE5640-DF5C-5A49-9195-D790881A0747}"
+                                        },
+                                        "isNullPointer": false,
+                                        "$type": "{5CBE5640-DF5C-5A49-9195-D790881A0747} AZStd::vector",
+                                        "value": [
+                                            [
+                                                0.0,
+                                                0.0,
+                                                -498814079205376.0,
+                                                0.0
+                                            ],
+                                            [
+                                                0.0,
+                                                0.0,
+                                                1.1865528051967005e38,
+                                                0.0
+                                            ]
+                                        ],
+                                        "label": "Variable 7"
+                                    },
+                                    "VariableId": {
+                                        "m_id": "{142C0457-38E5-496E-A4F2-67E91852CBCB}"
+                                    },
+                                    "VariableName": "Variable 7"
+                                }
+                            },
+                            {
+                                "Key": {
+                                    "m_id": "{21DD2B3D-ADC9-46E1-B44C-965A6E2AE543}"
+                                },
+                                "Value": {
+                                    "Datum": {
+                                        "isOverloadedStorage": false,
+                                        "scriptCanvasType": {
+                                            "m_type": 4,
+                                            "m_azType": "{9ABF5933-C8FC-53CD-A518-B6AF433CF496}"
+                                        },
+                                        "isNullPointer": false,
+                                        "$type": "{9ABF5933-C8FC-53CD-A518-B6AF433CF496} AZStd::unordered_map",
+                                        "value": [
+                                            {
+                                                "Key": true,
+                                                "Value": {
+                                                    "roll":