Lock Inspector

LockInspector.cs

using System.Reflection;
using UnityEditor;
using UnityEngine;
using System.Collections.Generic;

public class LockInspectorParameter : ScriptableSingleton<LockInspectorParameter>
{
	public List<EditorWindow> windowList = new List<EditorWindow> ();
}

public class LockInspector
{
	[MenuItem ("Window/LockInspector/Tab %l")]
	public static void ShowInspectorWindow ()
	{
		Object target = Selection.activeObject;
		var currentInspector = EditorWindow.focusedWindow;
		if (target == null)
			return;

		var inspectorType = typeof(Editor).Assembly.GetType ("UnityEditor.InspectorWindow");
		var inspectorInstance = ScriptableObject.CreateInstance (inspectorType) as EditorWindow;
		inspectorInstance.ShowUtility ();

		var isLocked = inspectorType.GetProperty ("isLocked", BindingFlags.Instance | BindingFlags.Public);
		isLocked.GetSetMethod ().Invoke (inspectorInstance, new object[] { true });

		LockInspectorParameter.instance.windowList.Add (inspectorInstance);

		currentInspector.Focus ();
	}

	[MenuItem ("Window/LockInspector/Close Last Tab %#l")]
	public static void CloseLastWindow ()
	{
		var instance = LockInspectorParameter.instance;
		if (instance.windowList.Count == 0)
			return;
		
		var last = instance.windowList [instance.windowList.Count - 1];
		instance.windowList.RemoveAt (instance.windowList.Count - 1);
		last.Close ();
	}

	[MenuItem ("Window/LockInspector/Close All Window")]
	public static void CloseAllWindows ()
	{
		var instance = LockInspectorParameter.instance;
		foreach (var window in instance.windowList) {
			if (window != null)
				window.Close ();
		}
		instance.windowList.Clear ();
	}
}