void AddInternal(Line line, Unit parentLeft, Unit topOfPage, Unit topOfParentLine)
{
var topOfLine = topOfParentLine + line.Top;
foreach (var element in line.Elements)
{
var elementLeft = parentLeft + element.Left;
Elements.Add(new FixedElement(element, elementLeft, topOfLine - topOfPage));
var elementTopBorder = element.Edge.Top;
var elementLeftBorder = element.Edge.Left;
foreach (var child in element.Children)
{
AddInternal(child, elementLeft + elementLeftBorder, topOfPage, topOfLine + elementTopBorder);
}
}
}
public KeepTogetherBatch RetryByBacktracking(Line currentLine)
{
var lines = Results.Concat(currentLine).Concat(WorkingQueue).ToList();
var numberOfLinesToBacktrack = CurrentNumberOfLinesBeingBacktracked + 1;
if (numberOfLinesToBacktrack < lines.Count)
{
var numberOfLinesInResultToLeaveAsIs = lines.Count - (numberOfLinesToBacktrack + 1);
var keepAsResult = lines.Take(numberOfLinesInResultToLeaveAsIs).ToList();
var retry = lines.Skip(numberOfLinesInResultToLeaveAsIs).Select((x, i) => i == 0 ? x.DoNotStayPut() : x).ToList();
return new KeepTogetherBatch(this, retry, resetCanNotStayPut: false)
{
CurrentNumberOfLinesBeingBacktracked = numberOfLinesToBacktrack,
Results = keepAsResult,
};
}
return new KeepTogetherBatch(this, lines, resetCanNotStayPut: true)
{
AllowKeepTogether = false
};
}
public void Add(Line line, Unit topOfPage)
{
AddInternal(line, 0.cm(), topOfPage, 0.cm());
}