internal void AddToPreparedPages(BandBase band)
{
bool isReportSummary = band is ReportSummaryBand;
// check if band is service band (e.g. page header/footer/overlay).
BandBase mainBand = band;
// for child bands, check its parent band.
if (band is ChildBand)
{
mainBand = (band as ChildBand).GetTopParentBand;
}
bool isPageBand = mainBand is PageHeaderBand || mainBand is PageFooterBand || mainBand is OverlayBand;
bool isColumnBand = mainBand is ColumnHeaderBand || mainBand is ColumnFooterBand;
// check if we have enough space for a band.
bool checkFreeSpace = !isPageBand && !isColumnBand && band.FlagCheckFreeSpace;
if (checkFreeSpace && FreeSpace < band.Height)
{
// we don't have enough space. What should we do?
// - if band can break, break it
// - if band cannot break, check the band height:
// - it's the first row of a band and is bigger than page: break it immediately.
// - in other case, add a new page/column and tell the band that it must break next time.
if (band.CanBreak || band.FlagMustBreak || (band.AbsRowNo == 1 && band.Height > PageHeight - PageFooterHeight))
{
// since we don't show the column footer band in the EndLastPage, do it here.
if (isReportSummary)
{
ShowReprintFooters();
ShowBand(page.ColumnFooter);
}
BreakBand(band);
return;
}
else
{
EndColumn();
band.FlagMustBreak = true;
AddToPreparedPages(band);
band.FlagMustBreak = false;
return;
}
}
else
{
// since we don't show the column footer band in the EndLastPage, do it here.
if (isReportSummary)
{
if ((band as ReportSummaryBand).KeepWithData)
{
EndKeep();
}
ShowReprintFooters(false);
ShowBand(page.ColumnFooter);
}
}
// check if we have a child band with FillUnusedSpace flag
if (band.Child != null && band.Child.FillUnusedSpace)
{
// if we reprint a data/group footer, do not include the band height into calculation:
// it is already counted in FreeSpace
float bandHeight = band.Height;
if (band.Repeated)
{
bandHeight = 0;
}
while (FreeSpace - bandHeight - band.Child.Height >= 0)
{
float saveCurY = CurY;
ShowBand(band.Child);
// nothing was printed, break to avoid an endless loop
if (CurY == saveCurY)
{
break;
}
}
}
// adjust the band location
if (band is PageFooterBand && !UnlimitedHeight)
{
CurY = PageHeight - GetBandHeightWithChildren(band);
}
if (!isPageBand)
{
band.Left += originX + CurX;
}
if (band.PrintOnBottom)
{
CurY = PageHeight - PageFooterHeight - ColumnFooterHeight;
// if PrintOnBottom is applied to a band like DataFooter, print it with all its child bands
// if PrintOnBottom is applied to a child band, print this band only.
if (band is ChildBand)
{
CurY -= band.Height;
}
else
{
CurY -= GetBandHeightWithChildren(band);
}
}
band.Top = CurY;
// shift the band and decrease its width when printing hierarchy
float saveLeft = band.Left;
float saveWidth = band.Width;
if (!isPageBand && !isColumnBand)
{
band.Left += hierarchyIndent;
band.Width -= hierarchyIndent;
}
// add outline
AddBandOutline(band);
// add bookmarks
band.AddBookmarks();
// put the band to prepared pages. Do not put page bands twice
// (this may happen when we render a subreport, or append a report to another one).
bool bandAdded = true;
bool bandAlreadyExists = false;
if (isPageBand)
{
if (band is ChildBand)
{
bandAlreadyExists = PreparedPages.ContainsBand(band.Name);
}
else
{
bandAlreadyExists = PreparedPages.ContainsBand(band.GetType());
}
}
if (!bandAlreadyExists)
{
bandAdded = PreparedPages.AddBand(band);
}
// shift CurY
if (bandAdded && !(mainBand is OverlayBand))
{
CurY += band.Height;
}
// set left&width back
band.Left = saveLeft;
band.Width = saveWidth;
}
