/// <inheritdoc/>
public override bool Break(BreakableComponent breakTo)
{
// first we find the break line. It's a minimum Top coordinate of the object that cannot break.
float breakLine = Height;
bool breakLineFound = true;
do
{
breakLineFound = true;
foreach (ReportComponentBase obj in Objects)
{
bool canBreak = true;
if (obj.Top < breakLine && obj.Bottom > breakLine)
{
canBreak = false;
BreakableComponent breakable = obj as BreakableComponent;
if (breakable != null && breakable.CanBreak)
{
using (BreakableComponent clone = Activator.CreateInstance(breakable.GetType()) as BreakableComponent)
{
clone.AssignAll(breakable);
clone.Height = breakLine - clone.Top;
// to allow access to the Report
clone.Parent = breakTo;
canBreak = clone.Break(null);
}
}
}
if (!canBreak)
{
breakLine = Math.Min(obj.Top, breakLine);
// enumerate objects again
breakLineFound = false;
break;
}
}
}while (!breakLineFound);
// now break the components
int i = 0;
while (i < Objects.Count)
{
ReportComponentBase obj = Objects[i];
if (obj.Bottom > breakLine)
{
if (obj.Top < breakLine)
{
BreakableComponent breakComp = Activator.CreateInstance(obj.GetType()) as BreakableComponent;
breakComp.AssignAll(obj);
breakComp.Parent = breakTo;
breakComp.CanGrow = true;
breakComp.CanShrink = false;
breakComp.Height -= breakLine - obj.Top;
breakComp.Top = 0;
obj.Height = breakLine - obj.Top;
(obj as BreakableComponent).Break(breakComp);
}
else
{
obj.Top -= breakLine;
obj.Parent = breakTo;
continue;
}
}
i++;
}
Height = breakLine;
breakTo.Height -= breakLine;
return(Objects.Count > 0);
}
public void AddLastToFooter(BreakableComponent breakTo)
{
float maxTop = (AllObjects[0] as ComponentBase).Top;
foreach (ComponentBase obj in AllObjects)
{
if (obj.Top > maxTop && !(obj is DataFooterBand))
{
maxTop = obj.Top;
}
}
float breakLine = maxTop;
List <ReportComponentBase> pasteList = new List <ReportComponentBase>();
foreach (ReportComponentBase obj in Objects)
{
if (obj.Bottom > breakLine)
{
pasteList.Add(obj);
}
}
int itemsBefore = breakTo.AllObjects.Count;
foreach (ReportComponentBase obj in pasteList)
{
if (obj.Top < breakLine)
{
BreakableComponent breakComp = Activator.CreateInstance(obj.GetType()) as BreakableComponent;
breakComp.AssignAll(obj);
breakComp.Parent = breakTo;
breakComp.CanGrow = true;
breakComp.CanShrink = false;
breakComp.Height -= breakLine - obj.Top;
breakComp.Top = 0;
obj.Height = breakLine - obj.Top;
(obj as BreakableComponent).Break(breakComp);
}
else
{
obj.Top -= breakLine;
obj.Parent = breakTo;
continue;
}
}
float minTop = (breakTo.AllObjects[0] as ComponentBase).Top;
float maxBottom = 0;
for (int i = itemsBefore; i < breakTo.AllObjects.Count; i++)
{
if ((breakTo.AllObjects[i] as ComponentBase).Top < minTop && breakTo.AllObjects[i] is ReportComponentBase && !(breakTo.AllObjects[i] is Table.TableCell))
{
minTop = (breakTo.AllObjects[i] as ComponentBase).Top;
}
}
for (int i = itemsBefore; i < breakTo.AllObjects.Count; i++)
{
if ((breakTo.AllObjects[i] as ComponentBase).Bottom > maxBottom && breakTo.AllObjects[i] is ReportComponentBase && !(breakTo.AllObjects[i] is Table.TableCell))
{
maxBottom = (breakTo.AllObjects[i] as ComponentBase).Bottom;
}
}
for (int i = 0; i < itemsBefore; i++)
{
(breakTo.AllObjects[i] as ComponentBase).Top += maxBottom - minTop;
}
breakTo.Height += maxBottom - minTop;
Height -= maxBottom - minTop;
}
