Studio/Assets/Scripts/Studio/UI/Panel/Panel_MQTTSetting.cs

using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using XRLib.UI;
using System;
using Studio.Util;

namespace Studio.UI
{
    public class Panel_MQTTSetting : PanelBase
    {
        private RectTransform Content;
        private Button Button_AddMQTTConnectionItem;
        private RectTransform AddMQTTConnection;

        private UI_MQTTConnection prf_MQTTConnectionItem;
        private List<UI_MQTTConnection> mqttConnectionItems = new List<UI_MQTTConnection>();
        public Action onClose;
        public Button Button_Close;

        public void Active(bool isActive)
        {
            gameObject.SetActive(isActive);

            if (!isActive)
            {
                onClose?.Invoke();
            }
        }
        public override void AfterAwake()
        {
            prf_MQTTConnectionItem = Resources.Load<UI_MQTTConnection>("Prefabs/UI/PRF_MQTTConnectionItem");

            Button_AddMQTTConnectionItem.onClick.AddListener(OnClickAddAPIConnectionItemButton);
            mqttConnectionItems.Clear();

            Button_Close.onClick.AddListener(() => Active(false));
        }
        private void OnClickAddAPIConnectionItemButton()
        {
            var item = Instantiate(prf_MQTTConnectionItem, Content);
            item.onRemoveMQTTConnectionItem += RemoveMQTTConnectionItem;

            AddMQTTConnectionItem(item);
            AddMQTTConnection.transform.SetAsLastSibling();
        }
        private void AddMQTTConnectionItem(UI_MQTTConnection item)
        {
            mqttConnectionItems.Add(item);
        }
        private void RemoveMQTTConnectionItem(UI_MQTTConnection item)
        {
            mqttConnectionItems.Remove(item);
            Destroy(item.gameObject);
        }
        public MQTTSetting GetMQTTSetting()
        {
            var mqttSetting = new MQTTSetting();
            foreach(var item in mqttConnectionItems)
            {
                var mqttConnection = item.GetMQTTConnection();
                mqttSetting.mqttConnections.Add(mqttConnection);
            }
            return mqttSetting;
        }
        public void SetMQTTSetting(MQTTSetting mqttSetting)
        {
            foreach(var item in mqttConnectionItems)
            {
                Destroy(item.gameObject);
            }
            mqttConnectionItems.Clear();

            if (mqttSetting == null)
                return;

            foreach (var mqttConnection in mqttSetting.mqttConnections)
            {
                var item = Instantiate(prf_MQTTConnectionItem, Content);
                item.onRemoveMQTTConnectionItem += RemoveMQTTConnectionItem;
                item.SetMQTTConnection(mqttConnection);

                AddMQTTConnectionItem(item);
                Button_AddMQTTConnectionItem.transform.SetAsLastSibling();
            }
        }
    }
}