Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Statistics/Models/ExcelModel.cs


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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Core.Commands;
using Tango.Integration.Logging;
using Tango.Integration.Operation;
using Tango.Logging;
using Tango.MachineStudio.Common.Notifications;
using Tango.MachineStudio.Common.StudioApplication;
using Tango.MachineStudio.Logging.Navigation;
using Tango.MachineStudio.Logging.Views;
using Tango.SharedUI;

namespace Tango.MachineStudio.Logging.ViewModels
{
    public class EmbeddedLogsViewVM : ViewModel
    {
        private EmbeddedLogFileParser _parser;
        private List<LogFile> _logFiles;
        private INotificationProvider _notification;
        private bool _dialog_shown;

        private ControlledObservableCollection<LogItemBase> _realTimeLogs;
        private List<LogItemBase> _pausedLogs;

        private ControlledObservableCollection<LogItemBase> _logs;
        public ControlledObservableCollection<LogItemBase> Logs
        {
            get { return _logs; }
            set { _logs = value; RaisePropertyChangedAuto(); }
        }

        private LogItemBase _selectedLog;
        public LogItemBase SelectedLog
        {
            get { return _selectedLog; }
            set { _selectedLog = value; RaisePropertyChangedAuto(); OnSelectedLogChanged(); }
        }

        private ObservableCollection<DateTime> _dates;
        public ObservableCollection<DateTime> Dates
        {
            get { return _dates; }
            set { _dates = value; RaisePropertyChangedAuto(); }
        }

        private DateTime _selectedDate;
        public DateTime SelectedDate
        {
            get { return _selectedDate; }
            set { _selectedDate = value; RaisePropertyChangedAuto(); OnSelectedDateChanged(); }
        }

        private DateTime _minDate;
        public DateTime MinDate
        {
            get { return _minDate; }
            set { _minDate = value; RaisePropertyChangedAuto(); }
        }

        private DateTime _maxDate;
        public DateTime MaxDate
        {
            get { return _maxDate; }
            set { _maxDate = value; RaisePropertyChangedAuto(); }
        }


        private bool _isRealTime;
        public bool IsRealTime
        {
            get { return _isRealTime; }
            set { _isRealTime = value; RaisePropertyChangedAuto(); OnSelectedDateChanged(); }
        }

        private bool _realTimePaused;
        public bool RealTimePaused
        {
            get { return _realTimePaused; }
            set
            {
                _realTimePaused = value;
                RaisePropertyChangedAuto();

                if (!_realTimePaused)
                {
                    _realTimeLogs.InsertRange(0, _pausedLogs);
                    _pausedLogs.Clear();
                }
            }
        }

        public RelayCommand NavigateToHomeCommand { get; set; }

        public RelayCommand ToggleRealTimePaused { get; set; }

        public RelayCommand ClearRealTimeLogsCommand { get; set; }

        public EmbeddedLogsViewVM(LoggingNavigationManager navigation, IStudioApplicationManager application, INotificationProvider notification)
        {
            _notification = notification;

            NavigateToHomeCommand = new RelayCommand(() => navigation.NavigateTo(LoggingNavigationView.HomeView));

            _parser = new EmbeddedLogFileParser();

            _logFiles = _parser.GetLogFiles();
            Dates = new ObservableCollection<DateTime>(_logFiles.Select(x => x.DateTime).OrderBy(x => x));

            _realTimeLogs = new ControlledObservableCollection<LogItemBase>();
            _pausedLogs = new List<LogItemBase>();

            IsRealTime = true;
            RealTimePaused = true;

            SelectedDate = Dates.LastOrDefault();

            if (Dates.Count > 0)
            {
                MinDate = Dates.Min();
                MaxDate = Dates.Max();
            }

            MachineOperator.EmbeddedLogManager.NewLog += EmbeddedLogManager_NewLog;

            ToggleRealTimePaused = new RelayCommand(() => RealTimePaused = !RealTimePaused);

            ClearRealTimeLogsCommand = new RelayCommand(() => { _realTimeLogs.Clear(); });
        }

        private void EmbeddedLogManager_NewLog(object sender, LogItemBase log)
        {
            if (!RealTimePaused)
            {
                InvokeUI(() =>
                {
                    _realTimeLogs.Insert(0, log);
                });
            }
            else
            {
                _pausedLogs.Add(log);
            }
        }

        private async void OnSelectedDateChanged()
        {
            if (IsRealTime)
            {
                Logs = _realTimeLogs;
            }
            else
            {
                List<LogItemBase> logs = new List<LogItemBase>();

                using (_notification.PushTaskItem("Loading embedded device logs..."))
                {
                    await Task.Factory.StartNew(() =>
                    {
                        foreach (var logFile in _logFiles.Where(x => x.DateTime.Date == SelectedDate.Date))
                        {
                            logs.AddRange(_parser.Parse(logFile));
                        }
                    });
                }

                Logs = new ControlledObservableCollection<LogItemBase>(logs);
            }
        }

        private void OnSelectedLogChanged()
        {
            if (SelectedLog != null && !_dialog_shown)
            {
                _dialog_shown = true;
                _notification.ShowModalDialog<LogDetailsViewVM, EmbeddedLogDetailsView>(new LogDetailsViewVM(SelectedLog), (x) =>
                {

                }, () =>
                {
                    _dialog_shown = false;
                });
            }
        }
    }
}