public EditorState Pop()
{
EditorState lastItem = null;
var lastIndex = _editorStateList.Count - 1;
if (lastIndex >= 0)
{
lastItem = _editorStateList[lastIndex];
_editorStateList.Remove(lastItem);
if (_editorStateList.Count > 0)
{
lastItem = _editorStateList[_editorStateList.Count - 1];
}
else
{
lastItem = null;
}
}
return(lastItem);
}
public void Restore(EditorState state)
{
Content = state != null?state.GetContent() : "";
}