void CreateAnchor()
{
if (_document != null)
{
LineSegment line = _document.GetLineSegment(Math.Max(0, Math.Min(_location.Line, _document.TotalNumberOfLines - 1)));
_anchor = line.CreateAnchor(Math.Max(0, Math.Min(_location.Column, line.Length)));
// after insertion: keep bookmarks after the initial whitespace (see DefaultFormattingStrategy.SmartReplaceLine)
_anchor.MovementType = AnchorMovementType.AfterInsertion;
_anchor.Deleted += OnAnchorDeleted;
}
}
void AddAnchor(TextAnchor anchor)
{
Debug.Assert(anchor.Line == this);
if (_anchors == null)
_anchors = new Utilities.WeakCollection<TextAnchor>();
_anchors.Add(anchor);
}
/// <summary>
/// Creates a new anchor in the current line.
/// </summary>
/// <param name="column">The column.</param>
/// <returns>The <see cref="TextAnchor"/>.</returns>
public TextAnchor CreateAnchor(int column)
{
if (column < 0 || column > Length)
throw new ArgumentOutOfRangeException("column");
TextAnchor anchor = new TextAnchor(this, column);
AddAnchor(anchor);
return anchor;
}
public void AddDeletedAnchor(TextAnchor anchor)
{
if (_removedAnchors == null)
_removedAnchors = new List<TextAnchor>();
_removedAnchors.Add(anchor);
}
/// <summary>
/// Creates a new anchor in the current line.
/// </summary>
/// <param name="column">The column.</param>
/// <returns>The <see cref="TextAnchor"/>.</returns>
public TextAnchor CreateAnchor(int column)
{
TextAnchor anchor = new TextAnchor(this, column);
AddAnchor(anchor);
return anchor;
}