// Token: 0x06003E2D RID: 15917 RVA: 0x0011D670 File Offset: 0x0011B870
internal static TextTreeExtractElementUndoUnit CreateExtractElementUndoUnit(TextContainer tree, TextTreeTextElementNode elementNode)
{
UndoManager orClearUndoManager = TextTreeUndo.GetOrClearUndoManager(tree);
if (orClearUndoManager == null)
{
return(null);
}
TextTreeExtractElementUndoUnit textTreeExtractElementUndoUnit = new TextTreeExtractElementUndoUnit(tree, elementNode);
orClearUndoManager.Add(textTreeExtractElementUndoUnit);
return(textTreeExtractElementUndoUnit);
}
// Adds a TextTreeExtractElementUndoUnit to the open parent undo unit, if any.
// Called by TextContainer.ExtractElement.
internal static TextTreeExtractElementUndoUnit CreateExtractElementUndoUnit(TextContainer tree, TextTreeTextElementNode elementNode)
{
UndoManager undoManager;
TextTreeExtractElementUndoUnit undoUnit;
undoManager = GetOrClearUndoManager(tree);
if (undoManager == null)
{
return(null);
}
undoUnit = new TextTreeExtractElementUndoUnit(tree, elementNode);
undoManager.Add(undoUnit);
return(undoUnit);
}
// Adds a TextTreeExtractElementUndoUnit to the open parent undo unit, if any.
// Called by TextContainer.ExtractElement.
internal static TextTreeExtractElementUndoUnit CreateExtractElementUndoUnit(TextContainer tree, TextTreeTextElementNode elementNode)
{
UndoManager undoManager;
TextTreeExtractElementUndoUnit undoUnit;
undoManager = GetOrClearUndoManager(tree);
if (undoManager == null)
return null;
undoUnit = new TextTreeExtractElementUndoUnit(tree, elementNode);
undoManager.Add(undoUnit);
return undoUnit;
}