commander/FileSystemItem.cs

using System.ComponentModel;
using System.Runtime.CompilerServices;

namespace CommanderApp;

public class FileSystemItem : INotifyPropertyChanged
{
    public string Name { get; set; } = string.Empty;
    public string FullName { get; set; } = string.Empty;
    public bool IsDirectory { get; set; }

    private static string _padding = DefinePadding();
    private static string DefinePadding()
    {
        return new string('\u00A0', 300);
    }

    public string DisplayText
    {
        get
        {
            if (string.IsNullOrWhiteSpace(Name))
                return "[No Name]";

            if (Name == "..")
                return "⬆️ .." + _padding;

            return IsDirectory ? $"📁 {Name + _padding}" : $"📄 {Name + _padding}";
        }
    }

    private bool _isSelected;
    public bool IsSelected
    {
        get => _isSelected;
        set
        {
            _isSelected = value;
            OnPropertyChanged();
        }
    }

    public event PropertyChangedEventHandler? PropertyChanged;

    protected virtual void OnPropertyChanged([CallerMemberName] string? propertyName = null)
    {
        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
    }
}