Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Utils/NullSafeCollection.cs


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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;
using Tango.BL;
using Tango.BL.Entities;
using Tango.BL.Enumerations;
using Tango.Core.Commands;
using Tango.Core.DI;
using Tango.PPC.Common;
using Tango.PPC.Common.Connection;
using Tango.PPC.Common.ExternalBridge;
using Tango.PPC.Common.Messages;
using Tango.SharedUI.Components;
using Tango.WiFi;

namespace Tango.PPC.MachineSettings.ViewModels
{
    /// <summary>
    /// Represents the main view VM and entry point for <see cref="Synchronization.MyModule"/>.
    /// </summary>
    /// <seealso cref="Tango.PPC.Common.PPCViewModel" />
    public class MainViewVM : PPCViewModel
    {
        #region Properties

        private Machine _machine;
        public Machine Machine
        {
            get { return _machine; }
            set { _machine = value; RaisePropertyChangedAuto(); }
        }

        private SelectedObjectCollection<JobTypes> _selectedJobTypes;
        public SelectedObjectCollection<JobTypes> SelectedJobTypes
        {
            get { return _selectedJobTypes; }
            set { _selectedJobTypes = value; RaisePropertyChangedAuto(); }
        }


        #endregion

        #region Commands

        /// <summary>
        /// Gets or sets the save command.
        /// </summary>
        public RelayCommand SaveCommand { get; set; }

        /// <summary>
        /// Gets or sets the discard command.
        /// </summary>
        public RelayCommand DiscardCommand { get; set; }

        #endregion

        public MainViewVM()
        {
            SaveCommand = new RelayCommand(Save);
            DiscardCommand = new RelayCommand(Discard);
        }

        private void Discard()
        {
            NavigationManager.NavigateBack();
        }

        private async void Save()
        {
            Machine.SupportedJobTypes = SelectedJobTypes.SynchedSource.ToList();
            Machine.ShallowCopyTo(MachineProvider.Machine);
            await MachineProvider.SaveMachine();
            await NavigationManager.NavigateBack();
        }

        /// <summary>
        /// Called when the application has been started
        /// </summary>
        public override void OnApplicationStarted()
        {

        }

        public override void OnNavigatedTo()
        {
            base.OnNavigatedTo();

            Machine = new Machine();
            MachineProvider.Machine.ShallowCopyTo(Machine);
            RaisePropertyChanged(nameof(Machine));

            SelectedJobTypes = new SelectedObjectCollection<JobTypes>(Enum.GetValues(typeof(JobTypes)).Cast<JobTypes>().ToObservableCollection(), Machine.SupportedJobTypes.ToObservableCollection());
        }
    }
}