StandardReorderableList.cs

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using UnityEngine;
using UnityEditor;
using UnityEditorInternal;

namespace HKI.Core.Editor.Misc
{
    public class StandardReorderableList
    {
        // Private variables
        ReorderableList list = null;

        // Constructor
        public StandardReorderableList(SerializedObject serializedObject, string propertyName, string label, bool useSelect = true)
        {
            list = new ReorderableList(serializedObject, serializedObject.FindProperty(propertyName), true, false, true, true);
            list.drawHeaderCallback = (Rect rect) => 
            {
                EditorGUI.LabelField(rect, label);
            };

            list.drawElementCallback = (Rect rect, int index, bool isActive, bool isFocused) => 
            {
                Rect propertyRect = rect;
                propertyRect.y += 2;
                propertyRect.height = EditorGUIUtility.singleLineHeight;
                EditorGUI.PropertyField(propertyRect, list.serializedProperty.GetArrayElementAtIndex(index), GUIContent.none);
            };

            if (useSelect)
            {
                list.onSelectCallback = (ReorderableList l) =>
                {
                    Object obj = l.serializedProperty.GetArrayElementAtIndex(l.index).objectReferenceValue;
                    if (obj != null)
                        EditorGUIUtility.PingObject(obj);
                };
            }
        }

        // Interface function
        public void DoLayoutList()
        {
            list.DoLayoutList();
        }
    }
}