Initial commit

Assets/NaughtyAttributes/Scripts/Core/DrawerAttributes/DropdownAttribute.cs

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+using System.Collections;
+using System;
+using System.Collections.Generic;
+
+namespace NaughtyAttributes
+{
+    [AttributeUsage(AttributeTargets.Field, AllowMultiple = false, Inherited = true)]
+    public class DropdownAttribute : DrawerAttribute
+    {
+        public string ValuesName { get; private set; }
+
+        public DropdownAttribute(string valuesName)
+        {
+            ValuesName = valuesName;
+        }
+    }
+
+    public interface IDropdownList : IEnumerable<KeyValuePair<string, object>>
+    {
+    }
+
+    public class DropdownList<T> : IDropdownList
+    {
+        private List<KeyValuePair<string, object>> _values;
+
+        public DropdownList()
+        {
+            _values = new List<KeyValuePair<string, object>>();
+        }
+
+        public void Add(string displayName, T value)
+        {
+            _values.Add(new KeyValuePair<string, object>(displayName, value));
+        }
+
+        public IEnumerator<KeyValuePair<string, object>> GetEnumerator()
+        {
+            return _values.GetEnumerator();
+        }
+
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            return GetEnumerator();
+        }
+
+        public static explicit operator DropdownList<object>(DropdownList<T> target)
+        {
+            DropdownList<object> result = new DropdownList<object>();
+            foreach (var kvp in target)
+            {
+                result.Add(kvp.Key, kvp.Value);
+            }
+
+            return result;
+        }
+    }
+}