Unity3D: Sync the Animation window to an Animator without requiring hierarchy selection (4.6.x)

SyncAnimationControllerTool.cs

using System;
using System.Reflection;
using UnityEngine;
using UnityEditor;
using UnityEditorInternal;

/// <summary>
/// Class to synchronize the view of the Animator window without requiring hierarchy selection
/// </summary>
class SyncAnimationControllerTool
{
    /// <summary>
    /// Synchronizes the view of the Animator window with an Animator from a GameObject, without
    /// requiring selection in the hierarchy, or switching out of the Game view.
    /// </summary>
    /// <param name="go">Parent game object of Animator</param>
    static public void Sync(GameObject go)
    {
        // Get the anim control tool type, then the window
        if (animCtrlToolType == null)
        {
            Assembly[] assemblies = AppDomain.CurrentDomain.GetAssemblies();
            Assembly editorGraphAssembly = Array.Find<Assembly>(assemblies, a => a.GetName().Name == "UnityEditor.Graphs");
            Module editorGraphModule = editorGraphAssembly.GetModule("UnityEditor.Graphs.dll");
            Type[] types = editorGraphModule.GetTypes();
            animCtrlToolType = Array.Find<Type>(types, t => t.FullName == "UnityEditor.Graphs.AnimatorControllerTool");
            animatorController = animCtrlToolType.GetProperty("animatorController");
            resetLayerExpansionArray = animCtrlToolType.GetMethod("ResetLayerExpansionArray", BindingFlags.NonPublic | BindingFlags.Instance);
            previewObject = animCtrlToolType.GetField("m_PreviewObject", BindingFlags.NonPublic | BindingFlags.Instance);
        }

        // Don't open a new window if it's not already open
        UnityEngine.Object[] windows = Resources.FindObjectsOfTypeAll(animCtrlToolType);
        if (windows.Length > 0)
        {
            // Set active AnimatorController
            UnityEngine.Object animCtrlWnd = windows[0];
            Animator animator = go.GetComponentInChildren<Animator>();
            AnimatorController animCtrl = AnimatorController.GetEffectiveAnimatorController(animator);
            object currentCtrl = pi.GetValue(animCtrlWnd, null);
            if (currentCtrl != animCtrl)
            {
                previewObject.SetValue(animCtrlWnd, animator);
                animatorController.SetValue(animCtrlWnd, animCtrl, null);
                resetLayerExpansionArray.Invoke(animCtrlWnd, null);
            }
        }
    }

    static Type animCtrlToolType = null;
    static PropertyInfo animatorController = null;
    static MethodInfo resetLayerExpansionArray = null;
    static FieldInfo previewObject = null;
}