JWLMerge/JWLMerge/ViewModel/RemoveUnderliningByPubAndColourViewModel.cs

namespace JWLMerge.ViewModel
{
    using System.Collections.ObjectModel;
    using Models;
    using MaterialDesignThemes.Wpf;
    using Microsoft.Toolkit.Mvvm.ComponentModel;
    using Microsoft.Toolkit.Mvvm.Input;

    internal sealed class RemoveUnderliningByPubAndColourViewModel : ObservableObject
    {
        private bool _removeAssociatedNotes;
        private PublicationDef? _selectedPublication;
        private ColourListItem? _selectedColour;

        public RemoveUnderliningByPubAndColourViewModel()
        {
            OkCommand = new RelayCommand(Ok);
            CancelCommand = new RelayCommand(Cancel);
        }

        public RelayCommand OkCommand { get; }

        public RelayCommand CancelCommand { get; }

        public ObservableCollection<PublicationDef> PublicationList { get; } = new();

        public ObservableCollection<ColourListItem> ColourItems { get; } = new();

        public PublicationDef? SelectedPublication
        {
            get => _selectedPublication;
            set
            {
                if (_selectedPublication != value)
                {
                    _selectedPublication = value;
                    OnPropertyChanged();
                    OnPropertyChanged(nameof(SelectionMade));
                }
            }
        }

        public ColourListItem? SelectedColour
        {
            get => _selectedColour;
            set
            {
                if (_selectedColour != value)
                {
                    _selectedColour = value;
                    OnPropertyChanged();
                    OnPropertyChanged(nameof(SelectionMade));
                }
            }
        }

        public bool SelectionMade => SelectedPublication != null && SelectedColour != null;

        public PubColourResult? Result { get; private set; }

        public bool RemoveAssociatedNotes
        {
            get => _removeAssociatedNotes;
            set => SetProperty(ref _removeAssociatedNotes, value);
        }

        private void Cancel()
        {
            Result = null;
            DialogHost.CloseDialogCommand.Execute(null, null);
        }

        private void Ok()
        {
            Result = new PubColourResult
            {
                PublicationSymbol = SelectedPublication?.KeySymbol,
                AnyPublication = SelectedPublication?.IsAllPublicationsSymbol ?? false,
                ColorIndex = SelectedColour?.Id ?? 0,
                AnyColor = SelectedColour?.Id == 0,
                RemoveAssociatedNotes = RemoveAssociatedNotes,
            };

            DialogHost.CloseDialogCommand.Execute(null, null);
        }
    }
}