public void GoPoemPartPrevious()
{
PoemLine result = this.CurrentLine;
if (SystemAccumulation != null)
{
if (result == null)
{
result = SystemAccumulation.GetLastLine();
}
else
{
result = this.GenerateNextPoemPart(result, false);
}
}
SetOneLine(result);
}
public void GoLinePrevious()
{
PoemLine curLine = null;
if (selectedLines.Count > 0)
{
curLine = selectedLines[0];
selectedLines.RemoveAt(selectedLines.Count - 1);
}
if (systemAccumulation != null)
{
if (curLine == null)
{
curLine = systemAccumulation.GetLastLine();
}
else
{
curLine = this.mySAIterator.GetNextLine(curLine, false);
}
}
if (curLine != null)
{
selectedLines.Insert(0, curLine);
}
HistoryNextLines.Clear();
while (selectedLines.Count > selectedLinesCount)
{
selectedLines.RemoveAt(selectedLines.Count - 1);
}
OnCurrentLineChanged();
}
