private void PrepareBand(BandBase band, bool getData)
{
if (band.Visible)
{
if (getData)
{
band.GetData();
}
RenderInnerSubreports(band);
band.CalcHeight();
}
}
private float GetBandHeightWithChildren(BandBase band)
{
float result = 0;
while (band != null)
{
if (CanPrint(band))
{
result += (band.CanGrow || band.CanShrink) ? band.CalcHeight() : band.Height;
}
else if (FinalPass && !String.IsNullOrEmpty(band.VisibleExpression) && band.VisibleExpression.Contains("TotalPages"))
{
result += (band.CanGrow || band.CanShrink) ? band.CalcHeight() : band.Height;
}
band = band.Child;
if (band != null && ((band as ChildBand).FillUnusedSpace || (band as ChildBand).CompleteToNRows != 0))
{
break;
}
}
return(result);
}
private float GetBandHeightWithChildren(BandBase band)
{
float result = 0;
while (band != null)
{
if (CanPrint(band))
{
result += (band.CanGrow || band.CanShrink) ? band.CalcHeight() : band.Height;
}
band = band.Child;
if (band != null && ((band as ChildBand).FillUnusedSpace || (band as ChildBand).CompleteToNRows != 0))
{
break;
}
}
return(result);
}
private void BreakBand(BandBase band)
{
BandBase cloneBand = Activator.CreateInstance(band.GetType()) as BandBase;
cloneBand.Assign(band);
cloneBand.SetRunning(true);
cloneBand.FlagMustBreak = band.FlagMustBreak;
// clone band objects:
// - remove bands that can break, convert them to Text objects if necessary
// - skip subreports
foreach (Base c in band.Objects)
{
if (c is BandBase && (c as BandBase).CanBreak)
{
BandBase b = c as BandBase;
if (b.HasBorder || b.HasFill)
{
TextObject textObj = new TextObject();
textObj.Bounds = b.Bounds;
textObj.Border = b.Border.Clone();
textObj.Fill = b.Fill.Clone();
cloneBand.Objects.Add(textObj);
}
foreach (ReportComponentBase obj in b.Objects)
{
if (!(obj is BandBase))
{
ReportComponentBase cloneObj = Activator.CreateInstance(obj.GetType()) as ReportComponentBase;
cloneObj.AssignAll(obj);
cloneObj.Anchor = AnchorStyles.Left | AnchorStyles.Top;
cloneObj.Dock = DockStyle.None;
cloneObj.Left = obj.AbsLeft - band.AbsLeft;
cloneObj.Top = obj.AbsTop - band.AbsTop;
if (cloneObj is TextObject)
{
(cloneObj as TextObject).Highlight.Clear();
}
cloneBand.Objects.Add(cloneObj);
}
}
}
else if (!(c is SubreportObject))
{
Base cloneObj = Activator.CreateInstance(c.GetType()) as Base;
cloneObj.AssignAll(c);
cloneObj.Parent = cloneBand;
}
}
BandBase breakTo = Activator.CreateInstance(band.GetType()) as BandBase;
breakTo.Assign(band);
breakTo.SetRunning(true);
breakTo.Child = null;
breakTo.CanGrow = true;
breakTo.StartNewPage = false;
breakTo.OutlineExpression = "";
breakTo.BeforePrintEvent = "";
breakTo.BeforeLayoutEvent = "";
breakTo.AfterPrintEvent = "";
breakTo.AfterLayoutEvent = "";
// breakTo must be breaked because it will print on a new page.
breakTo.FlagMustBreak = true;
// to allow clone and breaked bands to access Report
cloneBand.SetReport(Report);
breakTo.SetReport(Report);
try
{
// (case: object with Anchor = bottom on a breakable band)
// disable re-layout
cloneBand.SetUpdatingLayout(true);
cloneBand.Height = FreeSpace;
cloneBand.SetUpdatingLayout(false);
if (cloneBand.Break(breakTo))
{
AddToPreparedPages(cloneBand);
EndColumn();
// CalcHeight fixes the height of objects in the remaining part
breakTo.CalcHeight();
AddToPreparedPages(breakTo);
}
else
{
if (cloneBand.FlagMustBreak)
{
// show band as is
breakTo.FlagCheckFreeSpace = false;
AddToPreparedPages(breakTo);
}
else
{
EndColumn();
breakTo.CalcHeight();
AddToPreparedPages(breakTo);
}
}
}
finally
{
cloneBand.Dispose();
breakTo.Dispose();
}
}
