/// <summary>
/// Undoes a replace operation.
/// </summary>
/// <param name="model">The model.</param>
private void UndoReplace(DocumentModel doc, OpReplaceMessage model, ITextEdit edit)
{
//doc.BlockEvent = true;
var span = new Span(model.Index, model.Content.Length);
edit.Replace(span, model.OldContent);
}
/// <summary>
/// Performs a replace in a document.
/// </summary>
/// <param name="model">The model.</param>
private void Replace(DocumentModel doc, OpReplaceMessage model, ITextEdit edit)
{
//doc.BlockEvent = true;
var start = model.Index;
var length = model.OldContent.Length;
if (start > edit.Snapshot.Length - length)
{
start = edit.Snapshot.Length - length;
}
if (model.TickStamp == 0)
{
length = edit.Snapshot.Length;
}
var span = new Span(start, length);
edit.Replace(span, model.Content);
}