Aucma.Scada/Aucma.Scada.UI/viewModel/MainViewModel.cs

using GalaSoft.MvvmLight;
using GalaSoft.MvvmLight.Command;
using HighWayIot.Log4net;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace Aucma.Scada.UI.viewModel
{
    public class MainViewModel : ViewModelBase
    {
        private LogHelper logHelper = LogHelper.Instance;
        private readonly LogInfoControl logInfoControl = new LogInfoControl();
        private readonly IndexControl indexControl = new IndexControl();
        private readonly RecordControl recordControl = new RecordControl();

        public MainViewModel()
        {
            //FormControlCommand = new RelayCommand<object>(obj=> FormControl(obj));

            //OpenSystemKeyboardCommand = new RelayCommand(OpenSystemKeyboard);
        }

        #region 参数定义
        private int _PresentColor = 0;
        public int PresentColor
        {
            get { return _PresentColor; }
            set { _PresentColor = value; RaisePropertyChanged(nameof(PresentColor)); }
        }

        public System.Windows.Controls.UserControl _content;

        public System.Windows.Controls.UserControl UserContent
        {
            get { return _content; }

            set
            {
                _content = value;
                RaisePropertyChanged(nameof(UserContent));
            }
        }
        #endregion

        #region 事件定义
        /// <summary>
        /// 界面跳转按钮事件
        /// </summary>
        private RelayCommand<object> _controlOnClickCommand;

        public RelayCommand<object> ControlOnClickCommand
        {
            get
            {
                if (_controlOnClickCommand == null)
                    _controlOnClickCommand = new RelayCommand<object>(obj=> ControlOnClick(obj));
                return _controlOnClickCommand;
            }
            set { _controlOnClickCommand = value; RaisePropertyChanged(nameof(ControlOnClickCommand)); }
        }

        /// <summary>
        /// 逻辑实现
        /// </summary>
        private void ControlOnClick(object obj)
        {
            try
            {
                string info = obj as string;
                switch (info)
                {
                    case "inde":
                        UserContent = indexControl;
                        break;
                    case "logInfo":
                        UserContent = logInfoControl;
                        break;
                    case "record":
                        UserContent = recordControl;
                        break;
                    default:
                        break;
                }
            }catch(Exception ex)
            {
                logHelper.Error("界面跳转逻辑异常", ex);
            }
        }

        /// <summary>
        /// 打开系统键盘
        /// </summary>
        private RelayCommand _openSystemKeyboardCommand;

        public RelayCommand OpenSystemKeyboardCommand
        {
            get
            {
                if (_openSystemKeyboardCommand == null)
                    _openSystemKeyboardCommand = new RelayCommand(OpenSystemKeyboard);
                return _openSystemKeyboardCommand;
            }
            set { _openSystemKeyboardCommand = value; RaisePropertyChanged(nameof(OpenSystemKeyboardCommand)); }
        }

        /// <summary>
        /// 逻辑实现
        /// </summary>
        public void OpenSystemKeyboard()
        {
            try
            {
                MessageBox.Show("打开系统键盘");
            }catch(Exception ex)
            {
                logHelper.Error("打开系统键盘逻辑异常", ex);
            }
        }

        /// <summary>
        /// 窗体控制
        /// </summary>
        private RelayCommand<object> _formControlCommand;

        public RelayCommand<object> FormControlCommand
        {
            get
            {
                if (_formControlCommand == null)
                    _formControlCommand = new RelayCommand<object>(obj => FormControl(obj));
                return _formControlCommand;
            }
            set { _formControlCommand = value; RaisePropertyChanged(nameof(FormControlCommand)); }
        }

        /// <summary>
        ///  逻辑实现
        /// </summary>
        /// <param name="obj"></param>
        public void FormControl(object obj)
        {
            try
            {
                string controlType = obj as string;
                switch (controlType)
                {
                    // 关闭当前窗口
                    case "Exit":
                        //Environment.Exit(0);
                        Application.Current.Shutdown();
                        break;

                    // 还原 或者 最大化当前窗口
                    case "Normal":
                        if (Application.Current.MainWindow.WindowState == WindowState.Normal)
                        {
                            Application.Current.MainWindow.WindowState = WindowState.Maximized;
                            break;
                        }
                        if (Application.Current.MainWindow.WindowState == WindowState.Maximized)
                        {
                            Application.Current.MainWindow.WindowState = WindowState.Normal;
                            break;
                        }
                        break;

                    // 最小化当前窗口
                    case "Minimized":
                        Application.Current.MainWindow.WindowState = WindowState.Minimized;
                        break;
                    default:
                        break;
                }
            }catch(Exception ex)
            {
                logHelper.Error("窗体控制逻辑异常", ex);
            }
        }
        #endregion


    }
}