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just wanted to have Save As .vstheme #1

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17 changes: 14 additions & 3 deletions VS Theme Editor/MainWindowViewModel.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -71,13 +71,24 @@ public void SaveAsTheme()
if (WorkingTheme is null || ThemeFilePath is null) return;

var fileDialog = new Microsoft.Win32.SaveFileDialog();
fileDialog.Filter = "PkgDef files (*.pkgdef)|*.pkgdef";
fileDialog.Filter = "PkgDef files (*.pkgdef)|*.pkgdef|VsTheme files (*.vstheme)|*.vstheme";
fileDialog.DefaultExt = ".pkgdef";
fileDialog.AddExtension = true; // default is true, but just to be explicit

if (fileDialog.ShowDialog() == true)
{
var compiler = new PkgDefCompiler();
compiler.Compile(WorkingTheme, fileDialog.FileName);
var extension = Path.GetExtension(fileDialog.FileName);

if (string.Equals(extension, ".vstheme", StringComparison.OrdinalIgnoreCase))
{
var compiler = new VsThemeCompiler();
compiler.Compile(WorkingTheme, fileDialog.FileName);
}
else
{
var compiler = new PkgDefCompiler();
compiler.Compile(WorkingTheme, fileDialog.FileName);
}
}

}
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120 changes: 120 additions & 0 deletions VS Theme Editor/VsThemeCompiler.cs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,120 @@
using System.Globalization;
using System.Text;
using System.Windows.Media;
using System.Xml;

namespace VS_Theme_Editor;

public class VsThemeCompiler
{
public void Compile(Theme theme, string filePath)
{
var settings = new XmlWriterSettings
{
Encoding = Encoding.UTF8,
Indent = true,
IndentChars = " ",
OmitXmlDeclaration = true
};

using var writer = XmlWriter.Create(filePath, settings);

writer.WriteStartElement("Themes");

{
writer.WriteStartElement("Theme");
writer.WriteAttributeString("Name", theme.Name);
writer.WriteAttributeString("GUID", theme.Guid?.ToString("B", CultureInfo.InvariantCulture));
// writer.WriteAttributeString("BaseGUID", theme.BaseGuid?.ToString("B", CultureInfo.InvariantCulture));

// sorting for easier comparison
foreach (var category in theme.Categories.OrderBy(x => x.Name))
{
writer.WriteStartElement("Category");
writer.WriteAttributeString("Name", category.Name);
writer.WriteAttributeString("GUID", category.Guid.ToString("B", CultureInfo.InvariantCulture));

// sorting for easier comparison
foreach (var color in category.Entries.OrderBy(x => x.Name))
{
writer.WriteStartElement("Color");
writer.WriteAttributeString("Name", color.Name);

{
var (bgSave, bgType) = GetColorTypeSaveTuple(color.BackgroundType);
var (bgValid, bgHex) = GetHexColor(color.Background);
if (bgSave && bgValid)
{
writer.WriteStartElement("Background");
writer.WriteAttributeString("Type", bgType);
writer.WriteAttributeString("Source", bgHex);
writer.WriteEndElement(); // end Background
}
}

{
var (fgSave, fgType) = GetColorTypeSaveTuple(color.ForegroundType);
var (fgValid, fgHex) = GetHexColor(color.Foreground);
if (fgSave && fgValid)
{
writer.WriteStartElement("Foreground");
writer.WriteAttributeString("Type", fgType);
writer.WriteAttributeString("Source", fgHex);
writer.WriteEndElement(); // end Foreground
}
}

writer.WriteEndElement(); // end Color
}

writer.WriteEndElement(); // end Category
}

writer.WriteEndElement(); // end Theme
}

writer.WriteEndElement(); // end Themes

writer.Flush(); // Ensure all data is written to the underlying stream
}

// I thought to create enum __VSCOLORTYPE : byte and use it, but saw in other places that we use just magic numbers, so decided just use this code, so you'll refactor it later
// create enum - to avoid referencing Microsoft.VisualStudio.Interop
// https://learn.microsoft.com/en-us/dotnet/api/microsoft.visualstudio.shell.interop.__vscolortype?view=visualstudiosdk-2022
public static (bool save, string type) GetColorTypeSaveTuple(byte type)
{
return type switch
{
0 => (false, "CT_INVALID"),
1 => (true, "CT_RAW"),
2 => (true, "CT_COLORINDEX"),
3 => (true, "CT_SYSCOLOR"),
4 => (true, "CT_VSCOLOR"),
5 => (true, "CT_AUTOMATIC"),
6 => (true, "CT_TRACK_FOREGROUND"),
7 => (true, "CT_TRACK_BACKGROUND"),
_ => (false, "CT_INVALID"),
};
}

// again, I don't want to refactor/touch anything else right now
private static (bool valid, string hex) GetHexColor(string color)
{
// Accepts "#AARRGGBB" or "AARRGGBB" and returns in last format
if (string.IsNullOrWhiteSpace(color))
return (false, "");
var hex = color.TrimStart('#');
if (hex.Length != 8)
{
var test = (Color)ColorConverter.ConvertFromString(color); // Try to parse as ARGB hex string
if (test.ToString().Length != 8) return (false, "");
hex = test.ToString();
}

// Parse as ARGB
if (!uint.TryParse(hex, System.Globalization.NumberStyles.HexNumber, null, out uint argb))
return (false, "");

return (true, hex);
}
}