@Override
public boolean isValueChanged() {
final ImageElement imageElement = (ImageElement) getNode();
final FormulaExpression formulaExpression = imageElement.getFormula();
if (formulaExpression == null) {
final FlowController controller = getFlowController();
final GlobalMasterRow masterRow = controller.getMasterRow();
final ReportDataRow reportDataRow = masterRow.getReportDataRow();
return reportDataRow.getCursor() == 0;
}
try {
final Formula formula = formulaExpression.getCompiledFormula();
final LValue lValue = formula.getRootReference();
return FormatValueUtility.isReferenceChanged(this, lValue);
} catch (ParseException e) {
return false;
}
}
@Override
protected LayoutController delegateContentGeneration(final ReportTarget target)
throws ReportProcessingException, ReportDataFactoryException, DataSourceException {
final ImageElement imageElement = (ImageElement) getNode();
final FormulaExpression formulaExpression = imageElement.getFormula();
if (formulaExpression == null) {
// A static image is easy. At least at this level. Don't ask about the weird things we have to
// do in the
// output targets...
final String linkTarget = imageElement.getImageData();
generateImage(target, linkTarget, imageElement.getScaleMode(), imageElement.isPreserveIRI());
} else {
final Object value =
LayoutControllerUtil.evaluateExpression(
getFlowController(), imageElement, formulaExpression);
generateImage(target, value, imageElement.getScaleMode(), imageElement.isPreserveIRI());
}
return join(getFlowController());
}