CtrEditor/Models/ImageData.cs

using System.Collections.Generic;
using System.ComponentModel;
using System.Runtime.CompilerServices;

namespace CtrEditor.Models
{
    public class ImageData : INotifyPropertyChanged
    {
        private string _customName;
        private List<string> _tags;

        public string FileName { get; set; }

        public string CustomName
        {
            get => _customName;
            set
            {
                _customName = value;
                OnPropertyChanged();
            }
        }

        public List<string> Tags
        {
            get => _tags ?? new List<string>();
            set
            {
                _tags = value;
                OnPropertyChanged();
            }
        }

        public string DisplayName => !string.IsNullOrEmpty(CustomName) ? CustomName : FileName;

        public ImageData()
        {
            FileName = string.Empty;
            _customName = string.Empty;
            _tags = new List<string>();
        }

        public ImageData(string fileName, string customName = null, List<string> tags = null)
        {
            FileName = fileName;
            _customName = customName ?? string.Empty;
            _tags = tags ?? new List<string>();
        }

        public event PropertyChangedEventHandler PropertyChanged;

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