protected int getContentsStretchHeight() {
return subreportFiller.getCurrentPageStretchHeight();
}
protected boolean prepare(int availableHeight, boolean isOverflow) throws JRException {
boolean willOverflow = false;
super.prepare(availableHeight, isOverflow);
if (subreportFiller == null) {
setToPrint(false);
}
if (!isToPrint()) {
return willOverflow;
}
if (availableHeight < getRelativeY() + getHeight()) {
setToPrint(false);
return true; // willOverflow;
}
// willOverflow = prepareTextField((JRFillTextField)fillElement, availableStretchHeight);
// subreportFiller.setPageHeight(getHeight() + availableStretchHeight);
boolean filling = runner.isFilling();
boolean toPrint = !isOverflow || isPrintWhenDetailOverflows() || !isAlreadyPrinted();
boolean reprinted = isOverflow && isPrintWhenDetailOverflows();
if (!filling && toPrint && reprinted) {
rewind();
}
if (printPage instanceof JRVirtualPrintPage) {
// if the previous page was virtualized, dispose it as soon as possible.
// this normally already happened when we added the elements to the master page,
// but there are cases (e.g. overflow) when a page is not added to the master.
((JRVirtualPrintPage) printPage).dispose();
}
subreportFiller.setPageHeight(availableHeight - getRelativeY());
synchronized (subreportFiller) {
JRSubreportRunResult result;
if (filling) {
if (log.isDebugEnabled()) {
log.debug("Fill " + filler.fillerId + ": resuming " + subreportFiller.fillerId);
}
result = runner.resume();
} else if (toPrint) {
setReprinted(reprinted);
if (log.isDebugEnabled()) {
log.debug("Fill " + filler.fillerId + ": starting " + subreportFiller.fillerId);
}
result = runner.start();
} else {
printPage = null;
setStretchHeight(getHeight());
setToPrint(false);
return willOverflow;
}
if (result.getException() != null) {
Throwable error = result.getException();
if (log.isErrorEnabled()) {
log.error("Fill " + filler.fillerId + ": exception", error);
}
if (error instanceof RuntimeException) {
throw (RuntimeException) error;
}
throw new JRRuntimeException(error);
}
if (result.hasFinished()) {
if (log.isDebugEnabled()) {
log.debug(
"Fill " + filler.fillerId + ": subreport " + subreportFiller.fillerId + " finished");
}
copyValues();
} else {
if (log.isDebugEnabled()) {
log.debug(
"Fill "
+ filler.fillerId
+ ": subreport "
+ subreportFiller.fillerId
+ " to continue");
}
}
printPage = subreportFiller.getCurrentPage();
setStretchHeight(
result.hasFinished()
? subreportFiller.getCurrentPageStretchHeight()
: availableHeight - getRelativeY());
// if the subreport fill thread has not finished,
// it means that the subreport will overflow on the next page
willOverflow = !result.hasFinished();
if (!willOverflow) {
// the subreport fill thread has finished and the next time we shall create a new one
runner.reset();
}
} // synchronized
Collection<JRPrintElement> printElements = getPrintElements();
if ((printElements == null || printElements.size() == 0)
&& isRemoveLineWhenBlank() // FIXME if the line won't be removed, the background does not
// appear
) {
setToPrint(false);
}
return willOverflow;
}