killapp/Assets/Scripts/UI/Components/MutiSelectPage.cs

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
namespace Kill.UI.Components
{
    public class MutiSelectPage : MonoBehaviour
    {
        /// <summary>
        /// 选项背景颜色 0：未选中 1：已选中
        /// </summary>
        public Color[] bgColors;
        public Color[] textColors;
        public List<Button> options = new List<Button>();
        int nowSelectedIndex = -1;
        public Action<int> onConfirm;
        public Action<int> onClick;
        public Button confirmBtn;
        public Button cancelBtn;
        public void Init(int selectedIndex, Action<int> onConfirm,Action<int> onClick=null)
        {
            confirmBtn.onClick.AddListener(() =>
            {
                Confirm();
            });
            cancelBtn.onClick.AddListener(() =>
            {
                Cancel();
            });
            this.onConfirm = onConfirm;
            this.onClick=onClick;
            nowSelectedIndex = selectedIndex;
            for (int i = 0; i < options.Count; i++)
            {
                int index = i;
                options[i].onClick.RemoveAllListeners();
                options[i].onClick.AddListener(() =>
                {
                    OnClickOption(index);
                });
                if (i == selectedIndex)
                {
                    options[i].GetComponentInChildren<Text>().color = textColors[1];
                    options[i].GetComponent<Image>().color = bgColors[1];
                }
                else
                {
                    options[i].GetComponentInChildren<Text>().color = textColors[0];
                    options[i].GetComponent<Image>().color = bgColors[0];
                }
            }
          
        }
        public void OnClickOption(int index)
        {
            onClick?.Invoke(index);
            if (nowSelectedIndex == index)
            {
                return;
            }
            else
            {
                nowSelectedIndex = index;
            }
            for (int i = 0; i < options.Count; i++)
            {
                if (i == nowSelectedIndex)
                {
                    options[i].GetComponentInChildren<Text>().color = textColors[1];
                    options[i].GetComponent<Image>().color = bgColors[1];
                }
                else
                {
                    options[i].GetComponentInChildren<Text>().color = textColors[0];
                    options[i].GetComponent<Image>().color = bgColors[0];
                }
            }
            
        }
        public void Confirm()
        {
            onConfirm?.Invoke(nowSelectedIndex);
            Destroy(gameObject);
        }
        public void Cancel()
        {
            Destroy(gameObject);
        }
    }
}