Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.HardwareDesigner/ViewModels/MainViewVM.cs


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.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

public static class CommonDialogExtensions
{
    public static bool ShowDialogCenter(this CommonDialog dialog)
    {
        return dialog.ShowDialog(Application.Current.MainWindow).Value;
    }
}
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.BL.Entities;
using Tango.MachineStudio.Common.Notifications;
using Tango.SharedUI;
using Tango.BL;
using Tango.SharedUI.Components;
using System.Runtime.CompilerServices;
using Tango.MachineStudio.Common;

namespace Tango.MachineStudio.HardwareDesigner.ViewModels
{
    public class MainViewVM : StudioViewModel
    {
        private INotificationProvider _notification;
        private bool _isNew;
        private ObservablesContext _db;

        private HardwareVersion _selectedVersion;
        public HardwareVersion SelectedVersion
        {
            get { return _selectedVersion; }
            set { _selectedVersion = value; RaisePropertyChangedAuto(); OnSelectedVersionChanged(); }
        }

        private HardwareVersion _currentVersion;
        public HardwareVersion CurrentVersion
        {
            get { return _currentVersion; }
            set { _currentVersion = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
        }

        private IObservableEntity _selectedHardwareObject;
        public IObservableEntity SelectedHardwareObject
        {
            get { return _selectedHardwareObject; }
            set
            {
                _selectedHardwareObject = value;
                RaisePropertyChangedAuto();
            }
        }

        private ObservableCollection<HardwareVersion> _hardwareVersions;
        public ObservableCollection<HardwareVersion> HardwareVersions
        {
            get { return _hardwareVersions; }
            set { _hardwareVersions = value; RaisePropertyChangedAuto(); }
        }

        public RelayCommand SaveCommand { get; set; }

        public RelayCommand DeleteCommand { get; set; }

        public RelayCommand NewCommand { get; set; }

        public RelayCommand CloneCommand { get; set; }

        public RelayCommand CopyParametersCommand { get; set; }

        public MainViewVM(INotificationProvider notification)
        {
            _notification = notification;

            CurrentVersion = new HardwareVersion();

            SaveCommand = new RelayCommand(Save, () => SelectedVersion != null && IsFree);
            NewCommand = new RelayCommand(New, () => IsFree);
            DeleteCommand = new RelayCommand(Delete, () => !_isNew && SelectedVersion != null && IsFree);

            CurrentVersion = new HardwareVersion();

            CopyParametersCommand = new RelayCommand(CopyParameters, (x) => SelectedVersion != null && IsFree);
            CloneCommand = new RelayCommand(CloneCurrentVersion, () => SelectedVersion != null && IsFree);
        }

        public override void OnApplicationReady()
        {
            Task.Factory.StartNew(() =>
            {
                RefreshVersions();
                CreateDefaultView();
            });
        }

        private void CopyParameters(object obj)
        {
            obj.MapPrimitivesTo(SelectedHardwareObject,
                (prop) =>
                !prop.PropertyType.IsEnum
                &&
                !prop.Name.ToLower().Contains("guid"));
        }

        private void CreateDefaultView()
        {
            if (_db != null) _db.Dispose();

            _db = ObservablesContext.CreateDefault();

            CurrentVersion.HardwareMotors = _db.HardwareMotorTypes.ToList().Select(x => new HardwareMotor() { HardwareMotorType = x }).ToSynchronizedObservableCollection();
            CurrentVersion.HardwareDancers = _db.HardwareDancerTypes.ToList().Select(x => new HardwareDancer() { HardwareDancerType = x }).ToSynchronizedObservableCollection();
            CurrentVersion.HardwarePidControls = _db.HardwarePidControlTypes.ToList().Select(x => new HardwarePidControl() { HardwarePidControlType = x }).ToSynchronizedObservableCollection();
            CurrentVersion.HardwareWinders = _db.HardwareWinderTypes.ToList().Select(x => new HardwareWinder() { HardwareWinderType = x }).ToSynchronizedObservableCollection();
            CurrentVersion.HardwareSpeedSensors = _db.HardwareSpeedSensorTypes.ToList().Select(x => new HardwareSpeedSensor() { HardwareSpeedSensorType = x }).ToSynchronizedObservableCollection();
            CurrentVersion.HardwareBlowers = _db.HardwareBlowerTypes.ToList().Select(x => new HardwareBlower() { HardwareBlowerType = x }).ToSynchronizedObservableCollection();
            CurrentVersion.HardwareBreakSensors = _db.HardwareBreakSensorTypes.ToList().Select(x => new HardwareBreakSensor() { HardwareBreakSensorType = x }).ToSynchronizedObservableCollection();
        }

        private void RefreshVersions()
        {
            using (var db = ObservablesContext.CreateDefault())
            {
                _hardwareVersions = db.HardwareVersions.ToObservableCollection();
                InvokeUI(() =>
                {
                    RaisePropertyChanged(nameof(HardwareVersions));
                });
            }
        }

        private void CreateVersionView(HardwareVersion selectedVersion)
        {
            if (_db != null) _db.Dispose();

            _db = ObservablesContext.CreateDefault();

            CurrentVersion = _db.Adapter.GetHardwareVersion(x => x.Guid == selectedVersion.Guid);


            InvokeUINow(() =>
            {
                ObservablesStaticCollections.Instance.HardwareMotorTypes.Where(x => !CurrentVersion.HardwareMotors.ToList().Exists(y => y.HardwareMotorType.Code == x.Code)).ToList().ForEach(x =>
                {
                    CurrentVersion.HardwareMotors.Add(new HardwareMotor()
                    {
                        HardwareMotorType = _db.HardwareMotorTypes.SingleOrDefault(y => y.Code == x.Code),
                    });
                });

                CurrentVersion.HardwareMotors = CurrentVersion.HardwareMotors.OrderBy(x => x.HardwareMotorType.Code).ToSynchronizedObservableCollection();

                ObservablesStaticCollections.Instance.HardwareDancerTypes.Where(x => !CurrentVersion.HardwareDancers.ToList().Exists(y => y.HardwareDancerType.Code == x.Code)).ToList().ForEach(x =>
                {
                    CurrentVersion.HardwareDancers.Add(new HardwareDancer()
                    {
                        HardwareDancerType = _db.HardwareDancerTypes.SingleOrDefault(y => y.Code == x.Code)
                    });
                });

                CurrentVersion.HardwareDancers = CurrentVersion.HardwareDancers.OrderBy(x => x.HardwareDancerType.Code).ToSynchronizedObservableCollection();

                ObservablesStaticCollections.Instance.HardwarePidControlTypes.Where(x => !CurrentVersion.HardwarePidControls.ToList().Exists(y => y.HardwarePidControlType.Code == x.Code)).ToList().ForEach(x =>
                {
                    CurrentVersion.HardwarePidControls.Add(new HardwarePidControl()
                    {
                        HardwarePidControlType = _db.HardwarePidControlTypes.SingleOrDefault(y => y.Code == x.Code)
                    });
                });

                CurrentVersion.HardwarePidControls = CurrentVersion.HardwarePidControls.OrderBy(x => x.HardwarePidControlType.Code).ToSynchronizedObservableCollection();

                ObservablesStaticCollections.Instance.HardwareWinderTypes.Where(x => !CurrentVersion.HardwareWinders.ToList().Exists(y => y.HardwareWinderType.Code == x.Code)).ToList().ForEach(x =>
                {
                    CurrentVersion.HardwareWinders.Add(new HardwareWinder()
                    {
                        HardwareWinderType = _db.HardwareWinderTypes.SingleOrDefault(y => y.Code == x.Code)
                    });
                });

                CurrentVersion.HardwareWinders = CurrentVersion.HardwareWinders.OrderBy(x => x.HardwareWinderType.Code).ToSynchronizedObservableCollection();

                ObservablesStaticCollections.Instance.HardwareSpeedSensorTypes.Where(x => !CurrentVersion.HardwareSpeedSensors.ToList().Exists(y => y.HardwareSpeedSensorType.Code == x.Code)).ToList().ForEach(x =>
                {
                    CurrentVersion.HardwareSpeedSensors.Add(new HardwareSpeedSensor()
                    {
                        HardwareSpeedSensorType = _db.HardwareSpeedSensorTypes.SingleOrDefault(y => y.Code == x.Code)
                    });
                });

                CurrentVersion.HardwareSpeedSensors = CurrentVersion.HardwareSpeedSensors.OrderBy(x => x.HardwareSpeedSensorType.Code).ToSynchronizedObservableCollection();

                ObservablesStaticCollections.Instance.HardwareBlowerTypes.Where(x => !CurrentVersion.HardwareBlowers.ToList().Exists(y => y.HardwareBlowerType.Code == x.Code)).ToList().ForEach(x =>
                {
                    CurrentVersion.HardwareBlowers.Add(new HardwareBlower()
                    {
                        HardwareBlowerType = _db.HardwareBlowerTypes.SingleOrDefault(y => y.Code == x.Code)
                    });
                });

                CurrentVersion.HardwareBlowers = CurrentVersion.HardwareBlowers.OrderBy(x => x.HardwareBlowerType.Code).ToSynchronizedObservableCollection();

                ObservablesStaticCollections.Instance.HardwareBreakSensorTypes.Where(x => !CurrentVersion.HardwareBreakSensors.ToList().Exists(y => y.HardwareBreakSensorType.Code == x.Code)).ToList().ForEach(x =>
                {
                    CurrentVersion.HardwareBreakSensors.Add(new HardwareBreakSensor()
                    {
                        HardwareBreakSensorType = _db.HardwareBreakSensorTypes.SingleOrDefault(y => y.Code == x.Code)
                    });
                });

                CurrentVersion.HardwareBreakSensors = CurrentVersion.HardwareBreakSensors.OrderBy(x => x.HardwareBreakSensorType.Code).ToSynchronizedObservableCollection();
            });
        }

        private async void OnSelectedVersionChanged()
        {
            if (SelectedVersion != null)
            {
                using (_notification.PushTaskItem("Loading hardware version..."))
                {
                    IsFree = false;

                    await Task.Factory.StartNew(() =>
                    {
                        _isNew = false;
                        var selectedVersion = SelectedVersion;
                        RefreshVersions();
                        var version = _hardwareVersions.SingleOrDefault(X => X.Guid == selectedVersion.Guid);
                        CreateVersionView(SelectedVersion);

                        InvokeUI(() =>
                        {
                            _selectedVersion = version;
                            RaisePropertyChanged(nameof(SelectedVersion));
                        });
                    });

                    IsFree = true;
                }
            }

            InvalidateRelayCommands();
        }

        private async void New()
        {
            String name = _notification.ShowTextInput("Enter hardware version name", "Name");

            if (!String.IsNullOrWhiteSpace(name))
            {
                using (_notification.PushTaskItem("Creating new machine version..."))
                {
                    IsFree = false;

                    await Task.Factory.StartNew(() =>
                    {
                        SelectedVersion = null;
                        CurrentVersion = new HardwareVersion();
                        CurrentVersion.Version = HardwareVersions.Max(x => x.Version) + 1;
                        CurrentVersion.Name = name;
                        CreateDefaultView();

                        _db.HardwareVersions.Add(CurrentVersion);
                        _db.SaveChanges();

                        RefreshVersions();

                        InvokeUI(() =>
                        {
                            _selectedVersion = HardwareVersions.SingleOrDefault(x => x.Guid == CurrentVersion.Guid);
                            RaisePropertyChanged(nameof(SelectedVersion));
                        });

                        _isNew = true;
                        InvalidateRelayCommands();
                    });

                    IsFree = true;
                }
            }
        }

        private async void Save()
        {
            using (_notification.PushTaskItem("Saving hardware version..."))
            {
                try
                {
                    IsFree = false;

                    await Task.Factory.StartNew(() =>
                    {
                        _db.SaveChanges();
                        RefreshVersions();

                        InvokeUI(() =>
                        {
                            SelectedVersion = HardwareVersions.SingleOrDefault(x => x.Guid == CurrentVersion.Guid);
                        });
                    });
                }
                catch (Exception ex)
                {
                    LogManager.Log(ex, "Could not save hardware version.");
                    _notification.ShowError($"An error occurred while trying to save this hardware version.\n{ex.Message}");
                }
                finally
                {
                    IsFree = true;
                }
            }
        }

        private async void CloneCurrentVersion()
        {
            if (CurrentVersion != null)
            {
                String name = _notification.ShowTextInput("Enter new hardware configuration name", "Name", CurrentVersion.Name + " - Copy");

                if (!String.IsNullOrWhiteSpace(name))
                {
                    using (_notification.PushTaskItem("Cloning hardware configuration..."))
                    {
                        try
                        {
                            IsFree = false;

                            await Task.Factory.StartNew(() =>
                            {
                                var cloned = CurrentVersion.Clone();
                                cloned.Name = name;
                                cloned.Version = HardwareVersions.Max(x => x.Version) + 1;
                                _db.HardwareVersions.Add(cloned);
                                _db.SaveChanges();
                                RefreshVersions();

                                InvokeUI(() =>
                                {
                                    SelectedVersion = HardwareVersions.SingleOrDefault(x => x.Guid == cloned.Guid);
                                });
                            });
                        }
                        catch (Exception ex)
                        {
                            LogManager.Log(ex, "Could not clone hardware version.");
                            _notification.ShowError($"An error occurred while trying to clone this hardware version.\n{ex.Message}");
                        }
                        finally
                        {
                            IsFree = true;
                        }
                    }
                }
            }

        }

        private async void Delete()
        {
            if (_notification.ShowQuestion("Are you sure you want to delete this hardware version?"))
            {
                using (_notification.PushTaskItem("Deleting hardware version..."))
                {
                    try
                    {
                        IsFree = false;

                        await CurrentVersion.DeleteCascadeAsync(_db);

                        await Task.Factory.StartNew(() =>
                        {
                            SelectedVersion = null;
                            RefreshVersions();

                            CurrentVersion = new HardwareVersion();
                            CreateDefaultView();
                            InvalidateRelayCommands();
                        });
                    }
                    catch (Exception ex)
                    {
                        LogManager.Log(ex, "Could not delete hardware version.");
                        _notification.ShowError($"An error occurred while trying to delete this hardware version.\n{ex.Message}");
                    }
                    finally
                    {
                        IsFree = true;
                    }
                }
            }
        }

        protected override void RaisePropertyChangedAuto([CallerMemberName] string caller = null)
        {
            base.RaisePropertyChangedAuto(caller);
            InvalidateRelayCommands();
        }
    }
}