internal void OnLayoutChanged(object sender, Microsoft.VisualStudio.Text.Editor.TextViewLayoutChangedEventArgs e)
{
// Raised whenever the rendered text displayed in the ITextView changes - whenever the view does a layout
// (which happens when DisplayTextLineContainingBufferPosition is called or in response to text or classification
// changes), and also when the view scrolls or when its size changes.
// Responsible for adding the adornment to any reformatted lines.
// This code overlays the document version on line 0 of the file
if (DocumentId == null)
{
var dte = Microsoft.VisualStudio.Shell.Package.GetGlobalService(typeof(EnvDTE.DTE)) as EnvDTE.DTE;
var activeDocument = dte?.ActiveDocument; // sometimes we're constructed/invoked before ActiveDocument has been set
if (activeDocument != null)
{
DocumentId = Workspace.CurrentSolution.GetDocumentIdsWithFilePath(activeDocument.FullName).FirstOrDefault();
}
}
if (Adornment == null)
{
var line = e.NewOrReformattedLines.SingleOrDefault(l => l.Start.GetContainingLine().LineNumber == 0);
if (line == null)
{
return;
}
var geometry = View.TextViewLines.GetMarkerGeometry(line.Extent);
if (geometry == null)
{
return;
}
Adornment = new System.Windows.Controls.TextBlock {
Width = 400, Height = geometry.Bounds.Height, Background = System.Windows.Media.Brushes.Yellow, Opacity = 0.5
};
System.Windows.Controls.Canvas.SetLeft(Adornment, 300);
System.Windows.Controls.Canvas.SetTop(Adornment, geometry.Bounds.Top);
View.GetAdornmentLayer("TextAdornment1").AddAdornment(Microsoft.VisualStudio.Text.Editor.AdornmentPositioningBehavior.TextRelative, line.Extent, null, Adornment, (tag, ui) => Adornment = null);
}
if (DocumentId != null)
{
var document = Workspace.CurrentSolution.GetDocument(DocumentId);
if (document == null)
{
return;
}
Microsoft.CodeAnalysis.VersionStamp version;
if (!document.TryGetTextVersion(out version))
{
version = Microsoft.CodeAnalysis.VersionStamp.Default;
}
Adornment.Text = version.ToString();
}
}
async void OnLayoutChanged(object sender, Microsoft.VisualStudio.Text.Editor.TextViewLayoutChangedEventArgs e)
{
// Raised whenever the rendered text displayed in the ITextView changes - whenever the view does a layout
// (which happens when DisplayTextLineContainingBufferPosition is called or in response to text or classification
// changes), and also when the view scrolls or when its size changes.
// Responsible for adding the adornment to any reformatted lines.
if (!Initialize())
{
return;
}
var start = View.TextViewLines.FirstVisibleLine.Start.GetContainingLine().LineNumber;
var end = View.TextViewLines.LastVisibleLine.End.GetContainingLine().LineNumber;
await ReplayHost.WatchAsync(Document.FilePath, start, end - start + 1);
}
