src/Carnac/UI/PreferencesViewModel.cs

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using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Windows.Input;
using System.Windows.Media;
using Carnac.Logic;
using Carnac.Logic.Enums;
using Carnac.Logic.Models;
using Carnac.Logic.Native;
using SettingsProviderNet;

namespace Carnac.UI
{
    public class PreferencesViewModel : NotifyPropertyChanged
    {
        readonly ISettingsProvider settingsProvider;
        
        public PreferencesViewModel(ISettingsProvider settingsProvider, IScreenManager screenManager)
        {
            this.settingsProvider = settingsProvider;
            
            Screens = new ObservableCollection<DetailedScreen>(screenManager.GetScreens());

            Settings = settingsProvider.GetSettings<PopupSettings>();

            PlaceScreen();

            AvailableColors = new ObservableCollection<AvailableColor>();
            var properties = typeof(Colors).GetProperties(BindingFlags.Static | BindingFlags.Public);
            foreach (var prop in properties)
            {
                var name = prop.Name;
                var value = (Color)prop.GetValue(null, null);

                var availableColor = new AvailableColor(name, value);
                if (Settings.FontColor == name)
                    FontColor = availableColor;
                if (Settings.ItemBackgroundColor == name)
                    ItemBackgroundColor = availableColor;

                AvailableColors.Add(availableColor);
            }

            SaveCommand = new DelegateCommand(SaveSettings);
            ResetToDefaultsCommand = new DelegateCommand(() => settingsProvider.ResetToDefaults<PopupSettings>());
            VisitCommand = new DelegateCommand(Visit);
        }

        public ICommand VisitCommand { get; private set; }

        public ICommand ResetToDefaultsCommand { get; private set; }

        public ICommand SaveCommand { get; private set; }

        public ObservableCollection<AvailableColor> AvailableColors { get; private set; }

        public ObservableCollection<DetailedScreen> Screens { get; set; }