Adding comments. Added bindable scriptable object. Added demo package.

Author: coryleach

Demo.meta

@@ -5,7 +5,10 @@
 
 namespace Gameframe.Bindings
 {
-    public class BindableMonoBehaviour : MonoBehaviour, INotifyPropertyChanged
+    /// <summary>
+    /// MonoBehaviour that provides property changed events for bindings through the INotifyPropertyChanged interface
+    /// </summary>
+    public abstract class BindableMonoBehaviour : MonoBehaviour, INotifyPropertyChanged
     {
         public event PropertyChangedEventHandler PropertyChanged;
 

Demo/Demo.unitypackage

@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+using UnityEngine;
+
+namespace Gameframe.Bindings
+{
+    /// <summary>
+    /// ScriptableObject that provides property change events for bindings via the INotifyPropertyChanged interface
+    /// </summary>
+    public abstract class BindableScriptableObject : ScriptableObject, INotifyPropertyChanged
+    {
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        protected virtual void OnEnable()
+        {
+            //We need to clear out the subscribed bindings between editor play sessions
+            PropertyChanged = null;
+        }
+
+        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+
+        /// <summary>
+        /// Use this inside property setters to raise property changed events which are needed by bindingssss
+        /// </summary>
+        /// <param name="field">field to which the value will be set</param>
+        /// <param name="value">value you want to assign to storage</param>
+        /// <param name="propertyName">name of the property being set</param>
+        /// <typeparam name="T">Type of the property being set</typeparam>
+        /// <returns>True if property was set. False if it was already equal to the given value.</returns>
+        protected bool SetProperty<T>(ref T field, T value, [CallerMemberName] string propertyName = null )
+        {
+            if (EqualityComparer<T>.Default.Equals(field,value))
+            {
+                return false;
+            }
+            field = value;
+            OnPropertyChanged(propertyName);
+            return true;
+        }
+    }
+}

Runtime/BindableMonoBehaviour.cs

@@ -5,6 +5,10 @@
 
 namespace Gameframe.Bindings
 {
+    /// <summary>
+    /// Maintains a one directional binding between two properties
+    /// Property change events generated by the source will assign and update the target property
+    /// </summary>
     public class Binding : IDisposable
     {
         private object _source = null;
@@ -18,8 +22,20 @@ public class Binding : IDisposable
 
         private INotifyPropertyChanged _propertyChangedNotifier;
 
+        /// <summary>
+        /// Error context is passed to any error logs so that errors selected in the console
+        /// Will direct the user to the associated context object
+        /// </summary>
         public UnityEngine.Object ErrorContext = null;
+        
+        /// <summary>
+        /// Changes will only propagate while enabled is true
+        /// </summary>
         public bool Enabled = true;
+        
+        /// <summary>
+        /// Converter function will transform values before assigning the target property
+        /// </summary>
         public Func<object, object> Converter = null;
 
         /// <summary>
@@ -59,6 +75,9 @@ public void SetTarget(object dataContext, string path, bool refresh = true)
             }
         }
 
+        /// <summary>
+        /// Refresh the target value with the value from the source
+        /// </summary>
         public void Refresh()
         {
             if (_target == null || _source == null || _targetProperty == null || _sourceProperty == null)
@@ -81,6 +100,9 @@ public void Refresh()
             }
         }
 
+        /// <summary>
+        /// Destroys the binding so changes will no longer propagate 
+        /// </summary>
         public void Dispose()
         { 
             SetPropertyChangedNotifier(null);   

Runtime/BindableScriptableObject.cs

@@ -7,6 +7,10 @@
 
 namespace Gameframe.Bindings
 {
+    /// <summary>
+    /// Serves as the base class for components that create bindings
+    /// See TextBinding as an example
+    /// </summary>
     public abstract class BindingBehaviour : MonoBehaviour
     {
         [SerializeField]
@@ -65,33 +69,6 @@ public virtual void Refresh()
         {
             _binding?.Refresh();
         }
-
-        /*private static PropertyInfo GetPropertyInfo(object obj, string path)
-        {
-            if (obj == null || path == null)
-            {
-                return null;
-            }
-            Type type = obj.GetType();
-            return type.GetProperty(path);
-            foreach (var property in path.Split('.'))
-            {
-                if (obj == null)
-                {
-                    return null;
-                }
-
-                Type type = obj.GetType();
-                info = type.GetProperty(property);
-                if (info == null)
-                {
-                    return null;
-                }
-
-                obj = info.GetValue(obj, null);
-            }
-            return info;
-        }*/
 
 #if UNITY_EDITOR
         protected virtual void OnValidate()
@@ -103,7 +80,6 @@ protected virtual void OnValidate()
             }
             InitializeBinding();
         }
-
 #endif
     }
 }

Runtime/BindableScriptableObject.cs.meta

@@ -8,6 +8,9 @@
 
 namespace Gameframe.Bindings
 {
+    /// <summary>
+    /// This component will create a binding between any two UnityEngine.Object types 
+    /// </summary>
     public class ComponentBinding : BindingBehaviour
     {
         [SerializeField]

Runtime/Binding.cs

@@ -3,6 +3,9 @@
 
 namespace Gameframe.Bindings
 {
+  /// <summary>
+  /// Used to display text via binding
+  /// </summary>
   public class TextBinding : BindingBehaviour
   {
     [SerializeField]