ChanSort/source/ChanSort/Config.cs

using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Xml.Serialization;

namespace ChanSort.Ui
{
  public class Config
  {
    private static readonly XmlSerializer Serializer;
    private static readonly string ConfigFilePath;

    #region class ColumnInfo
    public class ColumnInfo
    {
      [XmlAttribute("name")] public string Name { get; set; }
      [XmlAttribute("width")] public int Width { get; set; }

      [XmlAttribute("visible")]//[Obsolete("For XML serialization only. Use Visible instead")] // won't be serialized/deserialized when marked [Obsolete]
      public bool VisibleXml
      {
        get => this.Visible ?? true;
        set => this.Visible = value;
      }

      [XmlIgnore]
      public bool? Visible { get; set; }
    }
    #endregion


    #region static ctor()
    static Config()
    {
      Serializer = new XmlSerializer(typeof(Config));

      try
      {
        ConfigFilePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "ChanSort", "config.xml");
        if (File.Exists(ConfigFilePath))
        {
          using var stream = new StreamReader(ConfigFilePath, System.Text.Encoding.UTF8);
          Default = (Config)Serializer.Deserialize(stream);
          return;
        }
      }
      catch
      {
        // ignore
      }

      Default = new Config();
    }
    #endregion

    public static Config Default { get; set; }

    public string Language { get; set; } = "";
    public string Encoding { get; set; } = "";
    public Size WindowSize { get; set; } = new Size(0,0);
    public int LeftPanelWidth { get; set; } = 0;
    public bool ShowWarningsAfterLoading { get; set; } = false;
    public bool CloseGaps { get; set; } = true;
    [XmlArray("MruFiles")]
    public List<string> MruFiles { get; set; } = new List<string>();
    public string ReferenceListFolder { get; set; }
    public string PrintFontName { get; set; } = "Segoe UI";
    public decimal PrintFontSize { get; set; } = 12;
    public bool PrintSortByName { get; set; } = false;
    public int PrintColumnCount { get; set; } = 2;
    public bool ExplorerIntegration { get; set; } = false;
    public bool CheckForUpdates { get; set; } = true;
    public int FontSizeDelta { get; set; } = 1;


    [XmlArrayItem("Column")]
    public List<ColumnInfo> LeftColumns { get; set; } = new();
    [XmlArrayItem("Column")]
    public List<ColumnInfo> RightColumns { get; set; } = new();
    public bool AutoHideColumns { get; set; } = true;
    public bool LoadLastListAfterStart { get; set; } = true;
    
    /// <summary>
    /// The LeftGridLayout and RightGridLayout contain Width values which are scaled to this ScaleFactor.
    /// The WindowSize, LeftPanelWidth and other properties are already at a neutral 96dpi/100% scale
    /// </summary>
    public SizeF ScaleFactor { get; set; }

    public bool SplitView { get; set; } = true;
    public string SkinName { get; set; } = "Office 2019 Colorful";

    private bool allowSave = true;

    public void Save()
    {
      if (!allowSave)
        return;

      var folder = Path.GetDirectoryName(ConfigFilePath) ?? ".";
      Directory.CreateDirectory(folder);

      using var stream = new FileStream(ConfigFilePath, FileMode.Create);
      using var writer = new StreamWriter(stream, System.Text.Encoding.UTF8);
      Serializer.Serialize(writer, this);
    }

    public void Reset()
    {
      if (File.Exists(ConfigFilePath))
        File.Delete(ConfigFilePath);
      allowSave = false;
    }
  }
}