/// <summary>
/// Is called when a part of the line is removed.
/// </summary>
internal void RemovedLinePart(int startColumn, int length)
{
if (length == 0)
{
return;
}
Debug.Assert(length > 0);
if (anchors != null)
{
List <TextAnchor> deletedAnchors = null;
foreach (TextAnchor a in anchors)
{
if (a.ColumnNumber > startColumn)
{
if (a.ColumnNumber >= startColumn + length)
{
a.ColumnNumber -= length;
}
else
{
if (deletedAnchors == null)
{
deletedAnchors = new List <TextAnchor>();
}
a.Deleted();
deletedAnchors.Add(a);
}
}
}
if (deletedAnchors != null)
{
foreach (TextAnchor a in deletedAnchors)
{
anchors.Remove(a);
}
}
}
}
/// <summary>
/// Is called when a part of the line is removed.
/// </summary>
internal void RemovedLinePart(ref DeferredEventList deferredEventList, int startColumn, int length)
{
if (length == 0)
{
return;
}
Debug.Assert(length > 0);
if (_anchors != null)
{
List <TextAnchor> deletedAnchors = null;
foreach (TextAnchor anchor in _anchors)
{
if (anchor.ColumnNumber > startColumn)
{
if (anchor.ColumnNumber >= startColumn + length)
{
anchor.ColumnNumber -= length;
}
else
{
if (deletedAnchors == null)
{
deletedAnchors = new List <TextAnchor>();
}
anchor.Delete(ref deferredEventList);
deletedAnchors.Add(anchor);
}
}
}
if (deletedAnchors != null)
{
foreach (TextAnchor anchor in deletedAnchors)
{
_anchors.Remove(anchor);
}
}
}
}
