OHV/Dev/OHV/OHV.Module.MainViews/Views/HistoryViewModel.cs

using OHV.Common.Model;
using OHV.SqliteDAL;
using Prism.Commands;
using Prism.Mvvm;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Security.Permissions;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Input;

namespace OHV.Module.MainViews.Views
{
    public class HistoryViewModel : BindableBase
    {
        SqliteManager sql;

        List<HisAlarm> _alarmList;
        public List<HisAlarm> AlarmList
        {
            get { return this._alarmList; }
            set { this.SetProperty( ref this._alarmList , value ); }
        }

        public ICommand AlarmResetCommand { get; set; }

        public HistoryViewModel( SqliteManager _sql )
        {
            this.sql = _sql;
            //this.AlarmResetCommand = new DelegateCommand( ExecuteAlarmResetCommand );

            var ll = sql.HisAlarmDAL.GetAll();
            if ( ll == null )
                this.AlarmList = new List<HisAlarm>();
            else
                this.AlarmList = ll.OrderByDescending( x => x.OccurTime ).ToList();

            //this.sql.HisAlarmDAL.OnChangeTable += HisAlarmDAL_ChangedProperty;
        }

        private void HisAlarmDAL_ChangedProperty()
        {
           if ( this.AlarmList == null )
                return;

            this.AlarmList.Clear();
            this.AlarmList = null;

            this.AlarmList = sql.HisAlarmDAL.GetAll().OrderByDescending( x => x.OccurTime ).ToList();
        }

        public void RefashList()
        {
            if ( this.AlarmList == null )
                return;

            this.AlarmList.Clear();
            this.AlarmList = null;

            this.AlarmList = sql.HisAlarmDAL.GetAll().OrderByDescending( x => x.OccurTime ).ToList();
        }

        public void Init( ) 
        {
            //RefashList();
        }
    }
}