Improvements for Visject Surface

Source/Editor/Surface/SurfaceNode.cs

@@ -156,7 +156,7 @@ namespace FlaxEditor.Surface
         /// </summary>
         /// <param name="width">The width.</param>
         /// <param name="height">The height.</param>
-        protected void Resize(float width, float height)
+        public void Resize(float width, float height)
         {
             Size = CalculateNodeSize(width, height);
 
@@ -176,7 +176,7 @@ namespace FlaxEditor.Surface
         /// <summary>
         /// Automatically resizes the node to match the title size and all the elements for best fit of the node dimensions.
         /// </summary>
-        protected void ResizeAuto()
+        public void ResizeAuto()
         {
             var width = 0.0f;
             var height = 0.0f;

Source/Editor/Surface/VisjectSurface.ContextMenu.cs

@@ -141,8 +141,11 @@ namespace FlaxEditor.Surface
             // Create secondary context menu
             var menu = new FlaxEditor.GUI.ContextMenu.ContextMenu();
 
-            menu.AddButton("Save", _onSave).Enabled = CanEdit;
-            menu.AddSeparator();
+            if (_onSave != null)
+            {
+                menu.AddButton("Save", _onSave).Enabled = CanEdit;
+                menu.AddSeparator();
+            }
             _cmCopyButton = menu.AddButton("Copy", Copy);
             menu.AddButton("Paste", Paste).Enabled = CanEdit && CanPaste();
             _cmDuplicateButton = menu.AddButton("Duplicate", Duplicate);
@@ -219,13 +222,9 @@ namespace FlaxEditor.Surface
             }
             menu.AddSeparator();
 
-            _cmFormatNodesConnectionButton = menu.AddButton("Format node(s)", () =>
-            {
-                FormatGraph(SelectedNodes);
-            });
-            _cmFormatNodesConnectionButton.Enabled = HasNodesSelection;
+            _cmFormatNodesConnectionButton = menu.AddButton("Format node(s)", () => { FormatGraph(SelectedNodes); });
+            _cmFormatNodesConnectionButton.Enabled = CanEdit && HasNodesSelection;
 
-            menu.AddSeparator();
             _cmRemoveNodeConnectionsButton = menu.AddButton("Remove all connections to that node(s)", () =>
             {
                 var nodes = ((List<SurfaceNode>)menu.Tag);

Source/Editor/Surface/VisjectSurface.Formatting.cs

@@ -1,8 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using FlaxEngine;
 using FlaxEditor.Surface.Elements;
 using FlaxEditor.Surface.Undo;
@@ -36,9 +34,10 @@ namespace FlaxEditor.Surface
         /// Uses the Sugiyama method
         /// </summary>
         /// <param name="nodes">List of nodes</param>
-        protected void FormatGraph(List<SurfaceNode> nodes)
+        public void FormatGraph(List<SurfaceNode> nodes)
         {
-            if (nodes.Count <= 1 || !CanEdit) return;
+            if (nodes.Count <= 1)
+                return;
 
             var nodesToVisit = new HashSet<SurfaceNode>(nodes);
 
@@ -70,7 +69,6 @@ namespace FlaxEditor.Surface
                                     queue.Enqueue(box.Connections[j].ParentNode);
                                 }
                             }
-
                         }
                     }
                 }
@@ -85,7 +83,8 @@ namespace FlaxEditor.Surface
         /// <param name="nodes">List of connected nodes</param>
         protected void FormatConnectedGraph(List<SurfaceNode> nodes)
         {
-            if (nodes.Count <= 1 || !CanEdit) return;
+            if (nodes.Count <= 1)
+                return;
 
             var boundingBox = GetNodesBounds(nodes);
 
@@ -93,9 +92,9 @@ namespace FlaxEditor.Surface
 
             // Rightmost nodes with none of our nodes to the right of them
             var endNodes = nodes
-                    .Where(n => !n.GetBoxes().Any(b => b.IsOutput && b.Connections.Any(c => nodeData.ContainsKey(c.ParentNode))))
-                    .OrderBy(n => n.Top) // Keep their relative order
-                    .ToList();
+                           .Where(n => !n.GetBoxes().Any(b => b.IsOutput && b.Connections.Any(c => nodeData.ContainsKey(c.ParentNode))))
+                           .OrderBy(n => n.Top) // Keep their relative order
+                           .ToList();
 
             // Longest path layering
             int maxLayer = SetLayers(nodeData, endNodes);
@@ -219,7 +218,8 @@ namespace FlaxEditor.Surface
 
             void SetOffsets(SurfaceNode node, NodeFormattingData straightParentData)
             {
-                if (!nodeData.TryGetValue(node, out var data)) return;
+                if (!nodeData.TryGetValue(node, out var data))
+                    return;
 
                 // If we realize that the current node would collide with an already existing node in this layer
                 if (data.Layer >= 0 && offsets[data.Layer] > data.Offset)
@@ -282,6 +282,5 @@ namespace FlaxEditor.Surface
 
             return maxOffset;
         }
-
     }
 }

Source/Editor/Surface/VisjectSurface.cs

@@ -329,7 +329,7 @@ namespace FlaxEditor.Surface
         /// <param name="style">The custom surface style. Use null to create the default style.</param>
         /// <param name="groups">The custom surface node types. Pass null to use the default nodes set.</param>
         /// <param name="supportsDebugging">True if surface supports debugging features (breakpoints, etc.).</param>
-        public VisjectSurface(IVisjectSurfaceOwner owner, Action onSave, FlaxEditor.Undo undo = null, SurfaceStyle style = null, List<GroupArchetype> groups = null, bool supportsDebugging = false)
+        public VisjectSurface(IVisjectSurfaceOwner owner, Action onSave = null, FlaxEditor.Undo undo = null, SurfaceStyle style = null, List<GroupArchetype> groups = null, bool supportsDebugging = false)
         {
             AnchorPreset = AnchorPresets.StretchAll;
             Offsets = Margin.Zero;