BandDataModel *ReportItemBand::model()
{
if(!m_model) {
QVariant dta = modelData();
if(!dta.isValid() || dta.userType() == QVariant::String) {
QString data_key = dta.toString();
ReportItemBand *pr = parentBand();
if(pr) {
BandDataModel *dm = pr->model();
ReportItemDetail *det = pr->detail();
if(dm && det) {
dta = dm->table(det->currentIndex(), data_key);
}
}
else {
/// take data from report processor
ReportProcessor *proc = processor(!qf::core::Exception::Throw);
if(proc) {
dta = QVariant::fromValue(proc->data(data_key));
}
}
}
m_model = BandDataModel::createFromData(dta, this);
}
return m_model;
}
QVariant ReportItemDetail::data(int row_no, const QString &field_name, int role)
{
qfLogFuncFrame() << "row_no:" << row_no << "field_name:" << field_name;
QVariant ret;
if(row_no >= 0) {
ReportItemBand *band = parentBand();
if(band) {
BandDataModel *m = band->model();
if(m) {
ret = m->dataByName(row_no, field_name, (BandDataModel::DataRole)role);
}
else {
qfWarning() << "Parent Band has not valid data model.";
}
}
else {
qfWarning() << "Detail without parent Band.";
}
}
else {
// this is not necessary error
// when data is not loaded and QML is instantiated then currentIndex == -1 and code goes this way
// return QString to avoid warning: Unable to assign [undefined] to QString
// when data is assigned to QML property of type string
ret = QString();
//qfWarning() << "row_no:" << row_no;
//ret = QStringLiteral("BAD_ROW");
}
qfDebug() << "\t RETURN:" << ret;
return ret;
}
int ReportItemDetail::rowCount()
{
int ret = 0;
ReportItemBand *band = parentBand();
if(band && band->isModelLoaded()) {
BandDataModel *m = band->model();
if(m) {
ret = m->rowCount();
}
}
return ret;
}
ReportItem::PrintResult ReportItemDetail::printMetaPaint(ReportItemMetaPaint *out, const ReportItem::Rect &bounding_rect)
{
qfLogFuncFrame();
QF_TIME_SCOPE("ReportItemDetail::printMetaPaint");
ReportItemBand *band = qobject_cast<ReportItemBand*>(parent());
BandDataModel *model = nullptr;
if(band) {
model = band->model();
if(model) {
if(currentIndex() < 0) {
//qfWarning() << "emit rowCountChanged()";
//emit rowCountChanged();
setCurrentIndex(0);
}
}
}
/*--
PrintResult res;
bool design_mode = processor()->isDesignMode(); /// true znamena, zobraz prvni radek, i kdyz tam nejsou data.
//qfInfo() << "design mode:" << design_mode;
if(!design_mode && (data_table.isNull() || dataRow().isNull())) {
/// prazdnej detail vubec netiskni
res.value = PrintOk;
return res;
}
--*/
PrintResult res = Super::printMetaPaint(out, bounding_rect);
if(res.isPrintFinished()) {
if(model) {
/// take next data row
int ix = currentIndex() + 1;
qfDebug() << currentIndex() << "/" << model->rowCount();
//qfDebug() << model->dump();
if(ix < model->rowCount()) {
QF_TIME_SCOPE("ReportItemDetail::printMetaPaint 3");
setCurrentIndex(ix);
resetIndexToPrintRecursively(ReportItem::IncludingParaTexts);
res.setNextDetailRowExists(true);
}
else {
resetCurrentIndex();
}
}
}
return res;
}
//===================================================================
// ReportItemDetail
//===================================================================
ReportItem::PrintResult ReportItemDetail::printHtml(HTMLElement & out)
{
qfLogFuncFrame();
ReportItemBand *band = qobject_cast<ReportItemBand*>(parent());
BandDataModel *model = nullptr;
if(band) {
model = band->model();
if(model) {
if(currentIndex() < 0) {
/// kdyz neni f_dataRow, vezmi prvni radek dat
setCurrentIndex(0);
}
}
}
PrintResult res;
/*--
bool design_mode = processor->isDesignMode();
if(!design_mode && (data_table.isNull() || dataRow().isNull())) {
/// prazdnej detail vubec netiskni
res.value = PrintOk;
return res;
}
--*/
res = Super::printHtml(out);
if(res.value == PrintOk) {
if(model) {
/// take next data row
setCurrentIndex(currentIndex() + 1);
if(currentIndex() < model->rowCount()) {
resetIndexToPrintRecursively(ReportItem::IncludingParaTexts);
res.flags |= FlagPrintAgain;
}
}
}
return res;
}