move mixin code

AwesomeUIWidgets/Assets/Packages/SGrid/codegen/TileContainerRenderObjectMixin.cs

+    using System;
+
+    public interface TileContainerRenderObjectMixin<ChildType, ParentDataType> {
+        void forEachChild(Action<ChildType> f);
+        
+        void remove(int index);
+
+        void _removeChild(ChildType child);
+
+        void removeAll();
+    }

AwesomeUIWidgets/Assets/Packages/SGrid/codegen/TileContainerRenderObjectMixin.cs.meta

+fileFormatVersion: 2
+guid: 3af8956ed28744b899a62e3b21778d83
+timeCreated: 1626685582

AwesomeUIWidgets/Assets/Packages/SGrid/codegen/TileContainerRenderObjectMixin.mixin.gen.cs

+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Unity.UIWidgets.foundation;
+using Unity.UIWidgets.rendering;
+using Unity.UIWidgets.external;
+
+
+public abstract class TileContainerRenderObjectMixinRenderSliver<ChildType, ParentDataType>: RenderSliver, TileContainerRenderObjectMixin<ChildType, ParentDataType>
+    where ChildType : RenderObject
+    where ParentDataType : ParentData
+{
+    // need to make SplayTree public
+    SplayTree<int, ChildType> _childRenderObjects = new SplayTree<int, ChildType>();
+
+    /// The number of children.
+    protected int childCount
+    {
+        get => _childRenderObjects.Count;
+    }
+
+    protected ICollection<ChildType> children
+    {
+        get => _childRenderObjects.Values;
+    }
+
+    protected ICollection<int> indices
+    {
+        get => _childRenderObjects.Keys;
+    }
+
+    /// Checks whether the given render object has the correct [runtimeType] to be
+    /// a child of this render object.
+    ///
+    /// Does nothing if assertions are disabled.
+    ///
+    /// Always returns true.
+    public bool debugValidateChild(RenderObject child)
+    {
+        D.assert(() =>
+        {
+            if (!(child is ChildType))
+            {
+                throw new UIWidgetsError(
+                    "A $runtimeType expected a child of type $ChildType but received a " +
+                    "child of type ${child.runtimeType}.\n" +
+                    "RenderObjects expect specific types of children because they " +
+                    "coordinate with their children during layout and paint. For " +
+                    "example, a RenderSliver cannot be the child of a RenderBox because " +
+                    "a RenderSliver does not understand the RenderBox layout protocol.\n" +
+                    "\n" +
+                    "The $runtimeType that expected a $ChildType child was created by:\n" +
+                    "  $debugCreator\n" +
+                    "\n" +
+                    "The ${child.runtimeType} that did not match the expected child type " +
+                    "was created by:\n" +
+                    "  ${child.debugCreator}\n");
+            }
+
+            return true;
+        });
+        return true;
+    }
+
+    public ChildType this[int index] {
+        get { return _childRenderObjects.ContainsKey(index) ? _childRenderObjects[index] : null; }
+        set
+
+        {
+            if (index < 0)
+            {
+                throw new ArgumentException($"index {index}");
+            }
+
+            _removeChild(_childRenderObjects.getOrDefault(index, null));
+            adoptChild(value);
+            _childRenderObjects[index] = value;
+        }
+    }
+
+    public virtual void forEachChild(Action<ChildType> f)
+    {
+        _childRenderObjects.Values.ToList().ForEach(f);
+    }
+
+    /// Remove the child at the specified index from the child list.
+    public virtual void remove(int index)
+    {
+        var child = _childRenderObjects[index];
+        _childRenderObjects.Remove(index);
+        _removeChild(child);
+    }
+
+    public virtual void _removeChild(ChildType child)
+    {
+        if (child != null)
+        {
+            // Remove the old child.
+            dropChild(child);
+        }
+    }
+
+    /// Remove all their children from this render object's child list.
+    ///
+    /// More efficient than removing them individually.
+    public virtual void removeAll()
+    {
+        _childRenderObjects.Values.ToList().ForEach(dropChild);
+        _childRenderObjects.Clear();
+    }
+
+    public override void attach(object owner)
+    {
+        base.attach(owner);
+        _childRenderObjects.Values.ToList().ForEach((child) => child.attach(owner));
+    }
+
+    public override void detach()
+    {
+        base.detach();
+        _childRenderObjects.Values.ToList().ForEach((child) => child.detach());
+    }
+
+    public override void redepthChildren()
+    {
+        _childRenderObjects.Values.ToList().ForEach(redepthChild);
+    }
+
+    public override void visitChildren(RenderObjectVisitor visitor)
+    {
+        _childRenderObjects.Values.ToList().ForEach(r => visitor(r));
+    }
+
+    public override List<DiagnosticsNode> debugDescribeChildren()
+    {
+        List<DiagnosticsNode> children = new List<DiagnosticsNode>();
+        _childRenderObjects.ToList().ForEach(pair =>
+            children.Add(pair.Value.toDiagnosticsNode(name: $"child {pair.Key}")));
+        return children;
+    }
+}
+

AwesomeUIWidgets/Assets/Packages/SGrid/codegen/TileContainerRenderObjectMixin.mixin.gen.cs.meta

+fileFormatVersion: 2
+guid: 146276dca5447c54db1111667c732027
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

AwesomeUIWidgets/Assets/Packages/SGrid/codegen/TileContainerRenderObjectMixin.mixin.njk

+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Unity.UIWidgets.foundation;
+using Unity.UIWidgets.rendering;
+using Unity.UIWidgets.external;
+
+{% macro TileContainerRenderObjectMixin(with) %}
+public abstract class TileContainerRenderObjectMixin{{with}}<ChildType, ParentDataType>: {{with}}, TileContainerRenderObjectMixin<ChildType, ParentDataType>
+    where ChildType : RenderObject
+    where ParentDataType : ParentData
+{
+    // need to make SplayTree public
+    SplayTree<int, ChildType> _childRenderObjects = new SplayTree<int, ChildType>();
+
+    /// The number of children.
+    protected int childCount
+    {
+        get => _childRenderObjects.Count;
+    }
+
+    protected ICollection<ChildType> children
+    {
+        get => _childRenderObjects.Values;
+    }
+
+    protected ICollection<int> indices
+    {
+        get => _childRenderObjects.Keys;
+    }
+
+    /// Checks whether the given render object has the correct [runtimeType] to be
+    /// a child of this render object.
+    ///
+    /// Does nothing if assertions are disabled.
+    ///
+    /// Always returns true.
+    public bool debugValidateChild(RenderObject child)
+    {
+        D.assert(() =>
+        {
+            if (!(child is ChildType))
+            {
+                throw new UIWidgetsError(
+                    "A $runtimeType expected a child of type $ChildType but received a " +
+                    "child of type ${child.runtimeType}.\n" +
+                    "RenderObjects expect specific types of children because they " +
+                    "coordinate with their children during layout and paint. For " +
+                    "example, a RenderSliver cannot be the child of a RenderBox because " +
+                    "a RenderSliver does not understand the RenderBox layout protocol.\n" +
+                    "\n" +
+                    "The $runtimeType that expected a $ChildType child was created by:\n" +
+                    "  $debugCreator\n" +
+                    "\n" +
+                    "The ${child.runtimeType} that did not match the expected child type " +
+                    "was created by:\n" +
+                    "  ${child.debugCreator}\n");
+            }
+
+            return true;
+        });
+        return true;
+    }
+
+    public ChildType this[int index]
+    {
+        get => _childRenderObjects[index];
+        set
+
+        {
+            if (index < 0)
+            {
+                throw new ArgumentException($"index {index}");
+            }
+
+            _removeChild(_childRenderObjects.getOrDefault(index, null));
+            adoptChild(value);
+            _childRenderObjects[index] = value;
+        }
+    }
+
+    public virtual void forEachChild(Action<ChildType> f)
+    {
+        _childRenderObjects.Values.ToList().ForEach(f);
+    }
+
+    /// Remove the child at the specified index from the child list.
+    public virtual void remove(int index)
+    {
+        var child = _childRenderObjects[index];
+        _childRenderObjects.Remove(index);
+        _removeChild(child);
+    }
+
+    public virtual void _removeChild(ChildType child)
+    {
+        if (child != null)
+        {
+            // Remove the old child.
+            dropChild(child);
+        }
+    }
+
+    /// Remove all their children from this render object's child list.
+    ///
+    /// More efficient than removing them individually.
+    public virtual void removeAll()
+    {
+        _childRenderObjects.Values.ToList().ForEach(dropChild);
+        _childRenderObjects.Clear();
+    }
+
+    public override void attach(object owner)
+    {
+        base.attach(owner);
+        _childRenderObjects.Values.ToList().ForEach((child) => child.attach(owner));
+    }
+
+    public override void detach()
+    {
+        base.detach();
+        _childRenderObjects.Values.ToList().ForEach((child) => child.detach());
+    }
+
+    public override void redepthChildren()
+    {
+        _childRenderObjects.Values.ToList().ForEach(redepthChild);
+    }
+
+    public override void visitChildren(RenderObjectVisitor visitor)
+    {
+        _childRenderObjects.Values.ToList().ForEach(r => visitor(r));
+    }
+
+    public override List<DiagnosticsNode> debugDescribeChildren()
+    {
+        List<DiagnosticsNode> children = new List<DiagnosticsNode>();
+        _childRenderObjects.ToList().ForEach(pair =>
+            children.Add(pair.Value.toDiagnosticsNode(name: $"child {pair.Key}")));
+        return children;
+    }
+}
+
+{% endmacro %}
+
+{{ TileContainerRenderObjectMixin('RenderSliver') }}

AwesomeUIWidgets/Assets/Packages/SGrid/codegen/TileContainerRenderObjectMixin.mixin.njk.meta

+fileFormatVersion: 2
+guid: cdbbb536a55f4d5da396f06ce06aa5b8
+timeCreated: 1626681945