/// <summary>
/// Reconciles bookmark service bookmarks on hand with bookmark spans.
/// </summary>
private void DoChanged(int number, BookmarkType type)
{
if (!InitializeServices(false))
{
return;
}
var fileName = GetFileName();
if (string.IsNullOrEmpty(fileName))
{
return;
}
_log?.LogMessage($"File '{Path.GetFileName(fileName)}' bookmark {number} change ({type})", LOG_CATEGORY);
try
{
var bookmarks = this.BookmarksService?.GetFileBookmarks(fileName);
if ((bookmarks.Count() == 0) && (_bookmarkSpans.Count == 0))
{
return;
}
using (Update())
{
// Remove changed bookmark so that it gets re-added further down
if (number > 0)
{
var changedBookmark = _bookmarkSpans.Keys.FirstOrDefault(b => (b.Number == number) && type.HasFlag(b.Type));
if (changedBookmark != null)
{
_log?.LogMessage($"Removed changed {changedBookmark.Type} bookmark {changedBookmark.Number} tag", LOG_CATEGORY);
if (!RemoveTagSpan(_bookmarkSpans[changedBookmark]))
{
_log?.LogMessage($"Failed to remove changed {changedBookmark.Type} bookmark {changedBookmark.Number} tag span", LOG_CATEGORY);
}
_bookmarkSpans.Remove(changedBookmark);
}
}
var newBookmarks = bookmarks.Where(b => !_bookmarkSpans.ContainsKey(b)).ToList();
newBookmarks.ForEach(b =>
{
if ((b.Line >= 1) && (b.Line <= _buffer.CurrentSnapshot.LineCount))
{
var line = _buffer.CurrentSnapshot.GetLineFromLineNumber(b.Line - 1);
var span = _buffer.CurrentSnapshot.CreateTrackingSpan(new SnapshotSpan(line.Start, 1), SpanTrackingMode.EdgeExclusive); // can't be span of 0 length
var trackingSpan = CreateTagSpan(span, new BookmarkTag(b.Number, b.Type));
_bookmarkSpans.Add(b, trackingSpan);
_log?.LogMessage($"Added {b.Type} bookmark {b.Number} tag on line {b.Line}", LOG_CATEGORY);
}
else
{
_log?.LogMessage($"{b.Type} bookmark {b.Number} invalid tag line {b.Line}", LOG_CATEGORY);
}
});
var deleteBookmarks = _bookmarkSpans.Keys.Where(b => !bookmarks.Contains(b)).ToList();
deleteBookmarks.ForEach(b =>
{
_log?.LogMessage($"Removed deleted {b.Type} bookmark {b.Number} tag", LOG_CATEGORY);
if (!RemoveTagSpan(_bookmarkSpans[b]))
{
_log?.LogMessage($"Failed to remove deleted {b.Type} bookmark {b.Number} tag span", LOG_CATEGORY);
}
_bookmarkSpans.Remove(b);
});
}
}
catch (Exception ex)
{
if (_log != null)
{
_log.LogMessage(ex, LOG_CATEGORY);
}
else
{
Trace.TraceError(ex.ToString());
}
}
}