TrainCamp_zhangyongpan_Modbus/ModbusDemo/VIewModel/MainWindowViewModel.cs

using ModbusDemo.Model;
using Prism.Commands;
using Prism.Mvvm;
using Prism.Regions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ModbusDemo.VIewModel
{
    /// <summary>
    /// 这个是MainWindow的ViewModel,用来支持数据绑定
    /// </summary>
    public class MainWindowViewModel : BindableBase
    {
        //控制页面跳转
        private readonly IRegionManager _regionManager;

        //定义页面跳转命令
        public DelegateCommand<MenusInfo> NavigationCmm { get; set; }
        //定义跳转的列表
        private List<MenusInfo> _leftMenusList;
        public List<MenusInfo> LeftMenusList
        {
            get { return _leftMenusList; }
            set { _leftMenusList = value; }
        }
        /// <summary>
        /// 空参构造，用于xaml的设计时展示
        /// </summary>
        public MainWindowViewModel()
        {

        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="regionManager"></param>
        public MainWindowViewModel(IRegionManager regionManager)
        {
            CreateLeftMenus();
            _regionManager = regionManager;

            NavigationCmm = new DelegateCommand<MenusInfo>(Navigation);
        }
        /// <summary>
        /// 视图导航
        /// </summary>
        /// <param name="info"></param>
        private void Navigation(MenusInfo info)
        {
            if(info != null)
            {
                _regionManager.Regions["ModbusRegion"].RequestNavigate(info.ViewName);
            }
            
        }
        /// <summary>
        /// 初始化左下拉框
        /// </summary>
        private void CreateLeftMenus()
        {
            LeftMenusList = new();
            LeftMenusList.Add(new MenusInfo() { Icon = "AllInclusive", MenuName = "线圈操作", ViewName = "CoilUC" });
            LeftMenusList.Add(new MenusInfo() { Icon = "BlurCircular", MenuName = "寄存器操作", ViewName = "RegisterUC" });
            LeftMenusList.Add(new MenusInfo() { Icon = "Settings", MenuName = "串口设置", ViewName = "SettingsUC" });
        }

        public void DefultNaigation()
        {
            _regionManager.Regions["ModbusRegion"].RequestNavigate("SettingsUC");
        }
    }
}