/// <summary>Creates a tag provider for the specified view and buffer.</summary>
/// <returns>The <see cref="T:Microsoft.VisualStudio.Text.Tagging.ITagAggregator`1" /> of the correct type for <paramref name="textView" />.</returns>
/// <param name="textView">The <see cref="T:Microsoft.VisualStudio.Text.Editor.ITextView" />.</param>
/// <param name="buffer">The <see cref="T:Microsoft.VisualStudio.Text.ITextBuffer" />.</param>
/// <typeparam name="T">The type of the tag.</typeparam>
public ITagger <T> CreateTagger <T>(ITextView textView, ITextBuffer buffer) where T : ITag
{
string filePath = null;
if (buffer.Properties.TryGetProperty(typeof(ITextDocument), out ITextDocument docProperty))
{
filePath = docProperty.FilePath;
}
var tagger = new Z80TestViewTagger(buffer, textView, filePath);
return(tagger as ITagger <T>);
}
private void SourceBufferOnPostChanged(object sender, EventArgs eventArgs)
{
if (_fakeEdit)
{
return;
}
_fakeEdit = true;
try
{
var(firstLine, lastLine) = Z80TestViewTagger.GetViewPortLines(FilePath);
if (firstLine < 0)
{
return;
}
var edit = SourceBuffer.CreateEdit();
for (var i = firstLine; i <= lastLine; i++)
{
var modeLine = SourceBuffer.CurrentSnapshot.GetLineFromLineNumber(i);
var pos = modeLine.End.Position;
edit.Insert(pos, " ");
}
edit.Apply();
edit = SourceBuffer.CreateEdit();
for (var i = firstLine; i <= lastLine; i++)
{
var modeLine = SourceBuffer.CurrentSnapshot.GetLineFromLineNumber(i);
var pos = modeLine.End.Position;
edit.Delete(new Span(pos - 1, 1));
}
edit.Apply();
}
finally
{
_fakeEdit = false;
}
}