Software/Visual_Studio/PPC/Modules/Tango.PPC.Maintenance/ViewModels/GeneralGuideViewVM.cs


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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.PPC.Common;
using Tango.PPC.Common.Navigation;

namespace Tango.PPC.Maintenance.ViewModels
{
    public class GeneralGuideViewVM : PPCViewModel, INavigationObjectReceiver<GuideBase>
    {
        private DateTime _lastTime;

        private GuideBase _guide;
        public GuideBase Guide
        {
            get { return _guide; }
            set { _guide = value; RaisePropertyChangedAuto(); }
        }


        public override void OnApplicationStarted()
        {
            _lastTime = DateTime.Now;
        }

        public void OnNavigatedToWithObject(GuideBase guide)
        {
            if (Guide != guide || (DateTime.Now - _lastTime) > TimeSpan.FromHours(1))
            {
                guide.Steps.ForEach(x => x.IsChecked = false);
            }

            Guide = guide;

            _lastTime = DateTime.Now;
        }
    }
}