bool KexiSimplePrintingCommand::showPrintPreview(const KexiSimplePrintingSettings& settings,
const QString& aTitleText, bool reload)
{
m_settings = settings;
if (!m_previewEngine)
m_previewEngine = new KexiSimplePrintingEngine(m_settings, this);
if (reload)
m_printPreviewNeedsReloading = true;
bool backToPage0 = true;
QString titleText(aTitleText.stripWhiteSpace());
KexiDB::Connection *conn = m_mainWin->project()->dbConnection();
KexiDB::TableOrQuerySchema tableOrQuery(conn, m_objectId);
if (!tableOrQuery.table() && !tableOrQuery.query()) {
//! @todo item not found
return false;
}
if (titleText.isEmpty())
titleText = tableOrQuery.captionOrName();
if (!m_previewWindow || m_printPreviewNeedsReloading) {
QString errorMessage;
if (!m_previewEngine->init(
*conn, tableOrQuery, titleText, errorMessage)) {
if (!errorMessage.isEmpty())
KMessageBox::sorry(m_mainWin, errorMessage, i18n("Print Preview"));
return false;
}
}
if (!m_previewWindow) {
backToPage0 = false;
m_previewWindow = new KexiSimplePrintPreviewWindow(
*m_previewEngine, tableOrQuery.captionOrName(), 0,
Qt::WStyle_Customize|Qt::WStyle_NormalBorder|Qt::WStyle_Title|
Qt::WStyle_SysMenu|Qt::WStyle_MinMax|Qt::WStyle_ContextHelp);
connect(m_previewWindow, SIGNAL(printRequested()), this, SLOT(print()));
connect(m_previewWindow, SIGNAL(pageSetupRequested()), this, SLOT(slotShowPageSetupRequested()));
m_previewWindow->show();
KDialog::centerOnScreen(m_previewWindow);
m_printPreviewNeedsReloading = false;
}
if (m_printPreviewNeedsReloading) {//dirty
m_previewEngine->clear();
//! @todo progress bar...
m_previewEngine->setTitleText( titleText );
m_previewWindow->setFullWidth();
m_previewWindow->updatePagesCount();
m_printPreviewNeedsReloading = false;
}
if (backToPage0)
m_previewWindow->goToPage(0);
m_previewWindow->show();
m_previewWindow->raise();
// m_previewWindow->setPagesCount(INT_MAX); //will be properly set on demand
return true;
}
bool KexiCSVImportExportPart::executeCommand(KexiMainWindow* mainWin, const char* commandName,
QMap<QString,QString>* args)
{
if (0==qstrcmp(commandName, "KexiCSVExport")) {
KexiCSVExport::Options options;
if (!options.assign( *args ))
return false;
KexiDB::TableOrQuerySchema tableOrQuery(
mainWin->project()->dbConnection(), options.itemId);
QTextStream *stream = 0;
if (args->contains("textStream"))
stream = KexiUtils::stringToPtr<QTextStream>( (*args)["textStream"] );
return KexiCSVExport::exportData(tableOrQuery, options, -1, stream);
}
return false;
}
bool KexiSimplePrintingCommand::print(const QString& aTitleText)
{
KexiDB::Connection *conn = m_mainWin->project()->dbConnection();
KexiDB::TableOrQuerySchema tableOrQuery(conn, m_objectId);
if (!tableOrQuery.table() && !tableOrQuery.query()) {
//! @todo item not found
return false;
}
QString titleText(aTitleText.stripWhiteSpace());
if (titleText.isEmpty())
titleText = tableOrQuery.captionOrName();
KexiSimplePrintingEngine engine(m_settings, this);
QString errorMessage;
if (!engine.init(*conn, tableOrQuery, titleText, errorMessage)) {
if (!errorMessage.isEmpty())
KMessageBox::sorry(m_mainWin, errorMessage, i18n("Printing"));
return false;
}
//setup printing
#ifdef Q_WS_WIN
QPrinter printer(QPrinter::HighResolution);
printer.setOrientation( m_settings.pageLayout.orientation == PG_PORTRAIT
? QPrinter::Portrait : QPrinter::Landscape );
printer.setPageSize(
(QPrinter::PageSize)KoPageFormat::printerPageSize( m_settings.pageLayout.format ) );
// "chicken-egg" problem:
// we cannot use real from/to values in setMinMax() and setFromTo()
// because page count is known after obtaining print settings
printer.setFromTo(1,1);
#else
KPrinter printer;
printer.setOrientation( m_settings.pageLayout.orientation == PG_PORTRAIT
? KPrinter::Portrait : KPrinter::Landscape );
printer.setPageSize(
(KPrinter::PageSize)KoPageFormat::printerPageSize( m_settings.pageLayout.format ) );
#endif
printer.setFullPage(true);
QString docName( titleText );
printer.setDocName( docName );
printer.setCreator(KEXI_APP_NAME);
if ( !printer.setup( m_mainWin ) ) {
return true;
}
// now we have final settings
//! @todo get printer.pageOrder() (for reversed order requires improved engine)
QPainter painter;
if (!painter.begin(&printer)) {
//! @todo msg
return false;
}
engine.calculatePagesCount(painter);
uint loops, loopsPerPage;
QValueList<int> pagesToPrint;
int fromPage = 0;
#ifdef Q_WS_WIN
int toPage = 0;
if (QPrinter::PageRange == printer.printRange()) {
fromPage = printer.fromPage();
toPage = printer.toPage();
}
if (fromPage==0 || toPage==0) {
fromPage = 0;
toPage = (int)engine.pagesCount()-1;
}
else {
fromPage--;
if (toPage > (int)engine.pagesCount())
toPage = (int)engine.pagesCount();
toPage--;
}
// win32 only supports one range, build the list
for (int i = fromPage; i<=toPage; i++) {
pagesToPrint.append(i);
}
// on win32 the OS does perform buffering (only when collation is off, each copy needs to be repeated)
loops = 1;
loopsPerPage = printer.collateCopies() ? 1 : printer.numCopies();
#else
// on !win32 print QPrinter::numCopies() times (the OS does not perform buffering)
pagesToPrint = printer.pageList();
kdDebug() << pagesToPrint << endl;
if (pagesToPrint.isEmpty()) {
fromPage = 0;
for (int i = 0; i<(int)engine.pagesCount(); i++) {
pagesToPrint.append(i);
}
}
else
fromPage = pagesToPrint.first();
if (printer.collate()==KPrinter::Collate) {
//collation: p1, p2,..pn; p1, p2,..pn; ......; p1, p2,..pn
loops = printer.numCopies();
loopsPerPage = 1;
}
else {
//no collation: p1, p1, ..., p1; p2, p2, ..., p2; ......; pn, pn,..pn
loops = 1;
loopsPerPage = printer.numCopies();
}
//! @todo also look at printer.pageSet() option : all/odd/even pages
#endif
// now, total number of printed pages is printer.numCopies()*printer.pageList().count()
kdDebug() << "printing..." << endl;
bool firstPage = true;
for (uint copy = 0;copy < loops; copy++) {
kdDebug() << "copy " << (copy+1) << " of " << loops << endl;
uint pageNumber = fromPage;
QValueList<int>::ConstIterator pagesIt = pagesToPrint.constBegin();
for(;(int)pageNumber == fromPage || !engine.eof(); ++pageNumber) {
kdDebug() << "printing..." << endl;
if (pagesIt == pagesToPrint.constEnd()) //no more pages to print
break;
if ((int)pageNumber < *pagesIt) { //skip pages without printing (needed for computation)
engine.paintPage(pageNumber, painter, false);
continue;
}
if (*pagesIt < (int)pageNumber) { //sanity
++pagesIt;
continue;
}
for (uint onePageCounter = 0; onePageCounter < loopsPerPage; onePageCounter++) {
if (!firstPage)
printer.newPage();
else
firstPage = false;
kdDebug() << "page #" << pageNumber << endl;
engine.paintPage(pageNumber, painter);
}
++pagesIt;
}
}
kdDebug() << "end of printing." << endl;
// stop painting, this will automatically send the print data to the printer
if (!painter.end())
return false;
if (!engine.done())
return false;
return true;
}
