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;
}
void KexiSimplePrintPreviewWindow::slotPageSetup()
{
lower();
emit pageSetupRequested();
}
