public static string Format(this string source)
{
var builder = new StringBuilder();
var formatter = XamlFormatterFactory.Create(new XamlFormatterOptions {
IndentSize = 4
});
formatter.Format(source, builder);
var target = builder.ToString();
return(target);
}
/// <summary>
/// Executes the format document command.
/// </summary>
/// <param name="document">
/// The document to format.
/// </param>
public virtual void Execute(Document document)
{
Microsoft.VisualStudio.Shell.ThreadHelper.ThrowIfNotOnUIThread();
if (document == null)
{
throw new ArgumentNullException(nameof(document));
}
var textDocument = (TextDocument)document.Object("TextDocument");
var startPoint = textDocument.StartPoint.CreateEditPoint();
var endPoint = textDocument.EndPoint.CreateEditPoint();
var currentPoint = textDocument.Selection.ActivePoint;
var originalLine = currentPoint.Line;
var originalOffset = currentPoint.LineCharOffset;
var unformatted = startPoint.GetText(endPoint);
var options = this.CreateOptions();
var builder = new StringBuilder();
XamlFormatterFactory.Create(options).Format(unformatted, builder);
startPoint.ReplaceText(endPoint, builder.ToString(), 0);
if (originalLine <= textDocument.EndPoint.Line)
{
var linePoint = startPoint.CreateEditPoint();
if (originalLine > 0)
{
linePoint.LineDown(originalLine - 1);
}
originalOffset = Math.Min(originalOffset, linePoint.LineLength + 1);
if (originalOffset > 0)
{
textDocument.Selection.MoveToLineAndOffset(originalLine, originalOffset);
}
else
{
textDocument.Selection.GotoLine(originalLine);
}
}
else
{
var linePoint = startPoint.CreateEditPoint();
linePoint.EndOfDocument();
textDocument.Selection.MoveToPoint(linePoint);
}
}