DYN-8334 Node Cluster Visual Preparation Work

src/DynamoCore/Graph/Nodes/NodeModel.cs

@@ -995,6 +995,17 @@ public bool IsFrozen
             }
         }
 
+        /// <summary>
+        /// A flag indicating whether the node is in transient mode.
+        /// When a node is in transient mode, the node will not participate in execution,
+        /// Or saved to the graph. It is only used for previewing the AutoComplete result in the canvas.
+        /// </summary>
+        internal bool IsTransient
+        {
+            get;
+            set;
+        }
+
         /// <summary>
         /// The default behavior for ModelBase objects is to not serialize the X and Y
         /// properties. This overload allows the serialization of the X property

src/DynamoCore/Graph/Workspaces/SerializationConverters.cs

@@ -862,9 +862,9 @@ public override void WriteJson(JsonWriter writer, object value, JsonSerializer s
                 .Select(outputNode => outputNode.OutputData).ToList();
             serializer.Serialize(writer, outputNodeDatas);
 
-            // Nodes
+            // Nodes except for nodes in Transient state
             writer.WritePropertyName("Nodes");
-            serializer.Serialize(writer, ws.Nodes);
+            serializer.Serialize(writer, ws.Nodes.Where(x => x.IsTransient != true));
 
             // Connectors
             writer.WritePropertyName("Connectors");

src/DynamoCore/Scheduler/UpdateGraphAsyncTask.cs

@@ -255,8 +255,8 @@ protected override TaskMergeInstruction CanMergeWithCore(AsyncTask otherTask)
         private static IEnumerable<NodeModel> ComputeModifiedNodes(WorkspaceModel workspace)
         {
             var nodesToUpdate = new List<NodeModel>();
-            //Get those modified nodes that are not frozen
-            foreach (var node in workspace.Nodes.Where(n => n.IsModified && !n.IsFrozen))
+            //Get those modified nodes that are not frozen or transient states
+            foreach (var node in workspace.Nodes.Where(n => n.IsModified && !n.IsFrozen && !n.IsTransient))
             {
                 GetDownstreamNodes(node, nodesToUpdate);
             }
@@ -273,7 +273,7 @@ private static IEnumerable<NodeModel> ComputeModifiedNodes(WorkspaceModel worksp
         /// 
         private static void GetDownstreamNodes(NodeModel node, ICollection<NodeModel> gathered)
         {
-            if (gathered.Contains(node) || node.IsFrozen) // Considered this node before, bail.pu
+            if (gathered.Contains(node) || node.IsFrozen || node.IsTransient) // Considered this node before, bail.pu
                 return;
 
             gathered.Add(node);

src/DynamoCoreWpf/DynamoCoreWpf.csproj

@@ -110,7 +110,6 @@
     <None Remove="UI\Images\help-16px.png" />
     <None Remove="UI\Images\info_48px.png" />
     <None Remove="UI\Images\menu_white_48px.png" />
-    <None Remove="UI\Images\NodeStates\package-64px.png" />
     <None Remove="UI\Images\PackageManager\empty-state-first-use-light-gray.png" />
     <None Remove="UI\Images\search_icon_20px.png" />
     <None Remove="UI\Images\TitleBarButtons\close-darktheme-disabled-16px.png" />
@@ -161,6 +160,9 @@
     <None Remove="UI\Images\NodeStates\frozen-64px.png" />
     <None Remove="UI\Images\NodeStates\hidden-64px.png" />
     <None Remove="UI\Images\NodeStates\info-64px.png" />
+    <None Remove="UI\Images\NodeStates\package-64px.png" />
+    <None Remove="UI\Images\NodeStates\transient-64px.png" />
+    <None Remove="UI\Images\NodeStates\transient-light-64px.png" />
     <None Remove="UI\Images\TitleBarButtons\close-darktheme-default-16px.png" />
     <None Remove="UI\Images\TitleBarButtons\close-darktheme-hover-16px.png" />
     <None Remove="UI\Images\TitleBarButtons\close-lighttheme-default-16px.png" />
@@ -1041,6 +1043,8 @@
     <Resource Include="UI\Images\NodeStates\hidden-64px.png" />
     <Resource Include="UI\Images\NodeStates\info-64px.png" />
     <Resource Include="UI\Images\NodeStates\package-64px.png" />
+    <Resource Include="UI\Images\NodeStates\transient-64px.png" />
+    <Resource Include="UI\Images\NodeStates\transient-light-64px.png" />
     <Resource Include="UI\Images\PackageManager\empty-state-first-use-light-gray.png" />
     <Resource Include="UI\Images\question-hover-blue-16px.png" />
     <Resource Include="UI\Images\search_icon_20px.png" />

src/DynamoCoreWpf/PublicAPI.Unshipped.txt

@@ -2435,6 +2435,8 @@ Dynamo.ViewModels.NodeViewModel.IsDisplayingLabels.set -> void
 Dynamo.ViewModels.NodeViewModel.IsExperimental.get -> bool
 Dynamo.ViewModels.NodeViewModel.IsFrozen.get -> bool
 Dynamo.ViewModels.NodeViewModel.IsFrozen.set -> void
+Dynamo.ViewModels.NodeViewModel.IsTransient.get -> bool
+Dynamo.ViewModels.NodeViewModel.IsTransient.set -> void
 Dynamo.ViewModels.NodeViewModel.IsFrozenExplicitly.get -> bool
 Dynamo.ViewModels.NodeViewModel.IsInput.get -> bool
 Dynamo.ViewModels.NodeViewModel.IsInteractionEnabled.get -> bool

src/DynamoCoreWpf/UI/Themes/Modern/DynamoColorsAndBrushes.xaml

@@ -81,6 +81,7 @@
 
     <!--  Nodes  -->
     <SolidColorBrush x:Key="NodeFrozenOverlayColor" Color="{StaticResource DarkBlue200}" />
+    <SolidColorBrush x:Key="NodeTransientOverlayColor" Color="#D5BCF7" />
     <SolidColorBrush x:Key="NodeInfoColor" Color="{StaticResource Blue300}" />
     <SolidColorBrush x:Key="NodeWarningColor" Color="{StaticResource YellowOrange500}" />
     <SolidColorBrush x:Key="NodeErrorColor" Color="{StaticResource Red500}" />

src/DynamoCoreWpf/ViewModels/Core/DynamoViewModel.cs

@@ -225,7 +225,7 @@ internal bool IsDNAClusterPlacementEnabled
         {
             get
             {
-                return DynamoModel.FeatureFlags?.CheckFeatureFlag("IsDNAClusterPlacementEnabled", false) ?? true;
+                return DynamoModel.FeatureFlags?.CheckFeatureFlag("IsDNAClusterPlacementEnabled", false) ?? false;
             }
         }
 

src/DynamoCoreWpf/ViewModels/Core/NodeViewModel.cs

@@ -584,7 +584,8 @@ public bool NodeHoveringState
         private static readonly string warningGlyph = "/DynamoCoreWpf;component/UI/Images/NodeStates/alert-64px.png";
         private static readonly string errorGlyph = "/DynamoCoreWpf;component/UI/Images/NodeStates/error-64px.png";
         private static readonly string infoGlyph = "/DynamoCoreWpf;component/UI/Images/NodeStates/info-64px.png";
-        private static readonly string previewGlyph = "/DynamoCoreWpf;component/UI/Images/NodeStates/hidden-64px.png";
+        private static readonly string previewGeometryGlyph = "/DynamoCoreWpf;component/UI/Images/NodeStates/hidden-64px.png";
+        private static readonly string previewClusterGlyph = "/DynamoCoreWpf;component/UI/Images/NodeStates/transient-light-64px.png";
         private static readonly string frozenGlyph = "/DynamoCoreWpf;component/UI/Images/NodeStates/frozen-64px.png";
         private static readonly string packageGlyph = "/DynamoCoreWpf;component/UI/Images/NodeStates/package-64px.png";
 
@@ -622,6 +623,16 @@ public bool IsFrozen
             }
         }
 
+        /// <summary>
+        /// Return a value indicating whether this node is in transient state.
+        /// </summary>
+        [JsonIgnore]
+        public bool IsTransient
+        {
+            set { NodeModel.IsTransient = value; }
+            get { return NodeModel.IsTransient; }
+        }
+
         /// <summary>
         /// A flag indicating whether the node is set to freeze by the user.
         /// </summary>
@@ -1302,8 +1313,9 @@ private void BuildErrorBubble()
         private static SolidColorBrush infoColor = (SolidColorBrush)(new BrushConverter().ConvertFrom("#6AC0E7"));
         private static SolidColorBrush noPreviewColor = (SolidColorBrush)(new BrushConverter().ConvertFrom("#BBBBBB"));
         private static SolidColorBrush nodeCustomColor = (SolidColorBrush)(new BrushConverter().ConvertFrom("#B385F2"));
-        private static SolidColorBrush nodePreviewColor = (SolidColorBrush)(new BrushConverter().ConvertFrom("#BBBBBB"));
+        private static SolidColorBrush nodePreviewGeometryColor = (SolidColorBrush)(new BrushConverter().ConvertFrom("#BBBBBB"));
         private static SolidColorBrush nodeFrozenOverlayColor = (SolidColorBrush)(new BrushConverter().ConvertFrom("#BCD3EE"));
+        private static SolidColorBrush nodeTransientOverlayColor = (SolidColorBrush)(new BrushConverter().ConvertFrom("#D5BCF7"));
         private static SolidColorBrush nodeInfoColor = (SolidColorBrush)(new BrushConverter().ConvertFrom("#6AC0E7"));        
 
         /// <summary>
@@ -1360,10 +1372,10 @@ Pass through all possible states in reverse order
 
             if (!this.IsVisible)
             {
-                result = nodePreviewColor;
+                result = nodePreviewGeometryColor;
                 if (result != null)
                 {
-                    ImgGlyphOneSource = previewGlyph;
+                    ImgGlyphOneSource = previewGeometryGlyph;
                 } 
             }
 
@@ -1379,7 +1391,7 @@ Pass through all possible states in reverse order
                     else
                     {
                         ImgGlyphOneSource = packageGlyph;
-                        ImgGlyphTwoSource = previewGlyph;
+                        ImgGlyphTwoSource = previewGeometryGlyph;
                     }
                 }
             }
@@ -1396,10 +1408,28 @@ Pass through all possible states in reverse order
                     else
                     {
                         ImgGlyphOneSource = frozenGlyph;
-                        ImgGlyphTwoSource = previewGlyph;
+                        ImgGlyphTwoSource = previewGeometryGlyph;
                     }
                 }
             }
+
+            if (this.IsTransient)
+            {
+                result = nodeTransientOverlayColor;
+                if (result != null)
+                {
+                    if (ImgGlyphOneSource == null)
+                    {
+                        ImgGlyphOneSource = previewClusterGlyph;
+                    }
+                    else
+                    {
+                        ImgGlyphOneSource = previewClusterGlyph;
+                        ImgGlyphTwoSource = previewGeometryGlyph;
+                    }
+                }
+            }
+
             if (NodeModel.State == ElementState.Info || NodeModel.State == ElementState.PersistentInfo)
             {
                 result = nodeInfoColor;

src/DynamoCoreWpf/ViewModels/Core/PortViewModel.cs

@@ -4,9 +4,7 @@
 using System.Windows;
 using System.Windows.Controls.Primitives;
 using System.Windows.Media;
-using Dynamo.Controls;
 using Dynamo.Graph.Nodes;
-using Dynamo.Models;
 using Dynamo.Search.SearchElements;
 using Dynamo.UI.Commands;
 using Dynamo.Utilities;
@@ -495,6 +493,8 @@ private void AutoComplete(object parameter)
         // Handler to invoke Node autocomplete cluster
         private void AutoCompleteCluster(object parameter)
         {
+            // Put a C# timer here to test the cluster placement mock
+            Stopwatch stopwatch = Stopwatch.StartNew();
             var wsViewModel = node.WorkspaceViewModel;
             wsViewModel.NodeAutoCompleteSearchViewModel.PortViewModel = this;
 
@@ -511,13 +511,43 @@ private void AutoCompleteCluster(object parameter)
             {
                 return;
             }
+
+            // Create mock nodes, currently Watch nodes (to avoid potential memory leak from Python Editor), and connect them to the input port
+            var targetNodeSearchEle = wsViewModel.NodeAutoCompleteSearchViewModel.DefaultResults.ToList()[5];
+            targetNodeSearchEle.CreateAndConnectCommand.Execute(wsViewModel.NodeAutoCompleteSearchViewModel.PortViewModel.PortModel);
+
+            var sizeOfMockCluster = 3;
+            var n = 1;
+            while (n < sizeOfMockCluster)
+            {
+                // Get the last node and connect a new node to it
+                var node1 = wsViewModel.Nodes.LastOrDefault();
+                node1.IsTransient = true;
+                targetNodeSearchEle.CreateAndConnectCommand.Execute(node1.InPorts.FirstOrDefault().PortModel);
+                n++;
+            }
 
+            wsViewModel.Nodes.LastOrDefault().IsTransient = true;
+
+            stopwatch.Stop(); // Stop the stopwatch
+            wsViewModel.DynamoViewModel.Model.Logger.Log($"Cluster Placement Execution Time: {stopwatch.ElapsedMilliseconds} ms");
+
+            // cluster info display in right side panel
             if (wsViewModel.DynamoViewModel.IsDNAClusterPlacementEnabled)
             {
                 try
                 {
                     MLNodeClusterAutoCompletionResponse results = wsViewModel.NodeAutoCompleteSearchViewModel.GetMLNodeClusterAutocompleteResults();
-                    wsViewModel.OnRequestNodeAutoCompleteViewExtension(results);
+
+                    // Process the results and display the preview of the cluster with the highest confidence level
+                    // Leverage some API here to convert topology to actual cluster
+                    results.Results.FirstOrDefault().Topology.Nodes.ToList().ForEach(node =>
+                    {
+                        // nothing for now
+                    });
+
+                    // Display the cluster info in the right side panel
+                    // wsViewModel.OnRequestNodeAutoCompleteViewExtension(results);
                 }
                 catch (Exception e)
                 {

src/DynamoCoreWpf/ViewModels/Search/NodeAutoCompleteSearchViewModel.cs

@@ -399,31 +399,41 @@ internal void ShowNodeAutocompleMLResults()
                     }
                 }
 
-                foreach (var result in results)
+                OrganizeConfidenceSection(results);
+            }
+        }
+
+        /// <summary>
+        /// Compare to low confidence threadhold defined by user can origanize the results into high and low confidence sections.
+        /// </summary>
+        /// <param name="results"></param>
+        internal void OrganizeConfidenceSection(List<NodeSearchElementViewModel> results)
+        {
+            foreach (var result in results)
+            {
+                if (result.AutoCompletionNodeMachineLearningInfo.ConfidenceScore >= dynamoViewModel.PreferenceSettings.MLRecommendationConfidenceLevel)
                 {
-                    if (result.AutoCompletionNodeMachineLearningInfo.ConfidenceScore >= dynamoViewModel.PreferenceSettings.MLRecommendationConfidenceLevel)
-                    {
-                        FilteredHighConfidenceResults = FilteredHighConfidenceResults.Append(result);
-                    }
-                    else {
-                        FilteredLowConfidenceResults = FilteredLowConfidenceResults.Append(result);
-                    }
+                    FilteredHighConfidenceResults = FilteredHighConfidenceResults.Append(result);
                 }
-
-                // Show low confidence section if there are some results under threshold and feature enabled
-                DisplayLowConfidence = FilteredLowConfidenceResults.Any() && dynamoViewModel.PreferenceSettings.HideNodesBelowSpecificConfidenceLevel;
-
-                if (!FilteredHighConfidenceResults.Any())
+                else
                 {
-                    DisplayAutocompleteMLStaticPage = true;
-                    AutocompleteMLTitle = Resources.AutocompleteLowConfidenceTitle;
-                    AutocompleteMLMessage = Resources.AutocompleteLowConfidenceMessage;
-                    return;
+                    FilteredLowConfidenceResults = FilteredLowConfidenceResults.Append(result);
                 }
+            }
+
+            // Show low confidence section if there are some results under threshold and feature enabled
+            DisplayLowConfidence = FilteredLowConfidenceResults.Any() && dynamoViewModel.PreferenceSettings.HideNodesBelowSpecificConfidenceLevel;
 
-                // By default, show only the results which are above the threshold
-                FilteredResults = dynamoViewModel.PreferenceSettings.HideNodesBelowSpecificConfidenceLevel? FilteredHighConfidenceResults : results    ;
+            if (!FilteredHighConfidenceResults.Any())
+            {
+                DisplayAutocompleteMLStaticPage = true;
+                AutocompleteMLTitle = Resources.AutocompleteLowConfidenceTitle;
+                AutocompleteMLMessage = Resources.AutocompleteLowConfidenceMessage;
+                return;
             }
+
+            // By default, show only the results which are above the threshold
+            FilteredResults = dynamoViewModel.PreferenceSettings.HideNodesBelowSpecificConfidenceLevel ? FilteredHighConfidenceResults : results;
         }
 
         private MLNodeAutoCompletionResponse GetMLNodeAutocompleteResults(string requestJSON)
@@ -528,7 +538,7 @@ internal void ShowLowConfidenceResults()
         }
 
         // Full name and assembly name 
-        private NodeModelTypeId GetInfoFromTypeId(string typeId)
+        internal NodeModelTypeId GetInfoFromTypeId(string typeId)
         {
             if (typeId.Contains(','))
             {

src/DynamoCoreWpf/ViewModels/Search/NodeSearchElementViewModel.cs

@@ -450,7 +450,7 @@ private void AutoLayoutNodes(object sender, EventArgs e)
                 originalNodeId = nodeView.ViewModel.NodeModel.OutputNodes.Values.SelectMany(s => s.Select(t => t.Item2)).Distinct().FirstOrDefault().GUID;
                 newInput = true;
             }
-            else if (nodeView.ViewModel.NodeModel.InputNodes.Count() > 0)
+            else if (nodeView.ViewModel.NodeModel.InputNodes.Count > 0)
             {
                 originalNodeId = nodeView.ViewModel.NodeModel.InputNodes.Values.Select(s => s.Item2).Distinct().FirstOrDefault().GUID;                
             }

src/DynamoCoreWpf/Views/Core/NodeView.xaml

@@ -476,6 +476,17 @@
                        Source="/DynamoCoreWpf;component/UI/Images/NodeStates/frozen-64px.png"
                        Stretch="UniformToFill" />
             </Grid>
+            <!-- Node transient state indication, light sparkle -->
+            <Grid x:Name="ClusterTransientGlyph" 
+                  Visibility="{Binding Path=IsTransient, Converter={StaticResource BooleanToVisibilityCollapsedConverter}, Mode=OneWay}">
+                <Image x:Name="TransientImage"
+                       Width="16px"
+                       Height="16px"
+                       HorizontalAlignment="Center"
+                       VerticalAlignment="Center"
+                       Source="/DynamoCoreWpf;component/UI/Images/NodeStates/transient-64px.png"
+                       Stretch="UniformToFill" />
+            </Grid>
             <Grid x:Name="HiddenEyeGlyph" 
                   Visibility="{Binding Path=IsVisible, Converter={StaticResource InverseBoolToVisibilityCollapsedConverter}, Mode=OneWay}">
                 <Image x:Name="HiddenEyeImage"
@@ -531,6 +542,8 @@
                     </Style>
                 </Grid.Style>
             </Grid>
+
+            <!-- Button to open node context menu from lower right corner -->
             <Button x:Name="OptionsButton"
                     Click="DisplayNodeContextMenu">
                 <Button.ToolTip>
@@ -614,6 +627,23 @@
                 Style="{Binding Path=DataContext.StopNodeViewOpacityAnimations, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type controls:WorkspaceView}}, Converter={StaticResource SZoomFadeOutPreview}}"
                 Visibility="{Binding Path=IsFrozen, Converter={StaticResource BooleanToVisibilityCollapsedConverter}, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}" />
 
+        <!--  Displays when the node cluster is Preivew state and Zoom is above 0.4 -->
+        <Border Name="nodeTransientColorOverlayZoomIn"
+                Grid.Row="1"
+                Grid.RowSpan="4"
+                Grid.ColumnSpan="3"
+                Margin="-8"
+                Background="{StaticResource NodeTransientOverlayColor}"
+                Canvas.ZIndex="6"
+                CornerRadius="8,8,0,0"
+                IsHitTestVisible="False"
+                Opacity="{Binding Path=DataContext.Zoom, 
+                                  RelativeSource={RelativeSource FindAncestor, 
+                                  AncestorType={x:Type controls:WorkspaceView}}, 
+                                  Converter={StaticResource ZoomToOpacityConverter}}"
+                Style="{Binding Path=DataContext.StopNodeViewOpacityAnimations, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type controls:WorkspaceView}}, Converter={StaticResource SZoomFadeOutPreview}}"
+                Visibility="{Binding Path=IsTransient, Converter={StaticResource BooleanToVisibilityCollapsedConverter}, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}" />
+
         <!--  Displays when the node is Frozen/Warning/Error state and Zoom is below 0.4 -->
         <Border Name="nodeColorOverlayZoomOut"
                 Grid.Row="1"