MainWindow.cs

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

namespace ToolKits
{
    /// <summary>
    /// 编辑器主界面
    /// </summary>
    public class MainWindow : EditorWindowBase
    {
        private static MainWindow window;
        private static Vector2 minResolution = new Vector2(800, 600);
        private static Rect middleCenterRect = new Rect(200, 100, 400, 400);
        private GUIStyle labelStyle;

        /// <summary>
        /// 对外的访问接口
        /// </summary>
        [MenuItem("Tools/MultiWindowLayerManagement", priority = 17)]
        public static void Popup()
        {
            window = EditorWindow.GetWindow(typeof(MainWindow), true, "多重窗口编辑器") as MainWindow;
            window.minSize = minResolution;
            window.Init();
            EditorWindowMgr.AddEditorWindow(window);
            window.Show();
        }

        /// <summary>
        /// 在这里可以做一些初始化工作
        /// </summary>
        private void Init()
        {
            Priority = 1;

            labelStyle = new GUIStyle();
            labelStyle.normal.textColor = Color.red;
            labelStyle.alignment = TextAnchor.MiddleCenter;
            labelStyle.fontSize = 14;
            labelStyle.border = new RectOffset(1, 1, 2, 2);
        }

        private void OnGUI()
        {
            ShowEditorGUI();
        }

        /// <summary>
        /// 绘制编辑器界面
        /// </summary>
        private void ShowEditorGUI()
        {
            GUILayout.BeginArea(middleCenterRect);
            GUILayout.BeginVertical();
            EditorGUILayout.LabelField("点击下面的按钮创建重复弹出窗口", labelStyle, GUILayout.Width(220));
            if (GUILayout.Button("创建窗口", GUILayout.Width(80)))
            {
                RepeateWindow.Popup(window.position.position);
            }

            GUILayout.EndVertical();
            GUILayout.EndArea();
        }

        private void OnDestroy()
        {
            //主界面销毁的时候，附带销毁创建出来的子界面
            EditorWindowMgr.RemoveEditorWindow(window);
            EditorWindowMgr.DestoryAllWindow();
        }

        private void OnFocus()
        {
            //重写OnFocus方法，让EditorWindowMgr去自动排序汇聚焦点
            EditorWindowMgr.FoucusWindow();
        }
    }
}