MapView* SampleLapViewer::createLapView(int refRace, int refLap)
{
QVector<QPointF> positions;
QSqlQuery posQuery;
posQuery.prepare("select longitude, latitude from POSITION where ref_lap_race = ? and ref_lap_num = ?");
posQuery.addBindValue(refRace);
posQuery.addBindValue(refLap);
if (posQuery.exec())
{
while (posQuery.next())
{
GeoCoordinate tmp;
tmp.setLongitude(posQuery.value(0).toFloat());
tmp.setLatitude(posQuery.value(1).toFloat());
positions << tmp.projection();
}
}
MapScene* sc = new MapScene(50 * 1000, this);
sc->addTrack(positions);
MapView* view = new MapView(this);
view->setDragMode(QGraphicsView::ScrollHandDrag);
view->setScene(sc);
connect(view, SIGNAL(zoomedAround(int,QPointF)), this, SLOT(zoomView(int)));
return view;
}
void DocumentManager::addDocument(MapDocument *mapDocument)
{
Q_ASSERT(mapDocument);
Q_ASSERT(!mDocuments.contains(mapDocument));
mDocuments.append(mapDocument);
mUndoGroup->addStack(mapDocument->undoStack());
MapView *view = new MapView(mTabWidget);
MapScene *scene = new MapScene(view); // scene is owned by the view
scene->setMapDocument(mapDocument);
view->setScene(scene);
const int documentIndex = mDocuments.size() - 1;
mTabWidget->addTab(view, mapDocument->displayName());
mTabWidget->setTabToolTip(documentIndex, mapDocument->fileName());
connect(mapDocument, SIGNAL(fileNameChanged()), SLOT(updateDocumentTab()));
connect(mapDocument, SIGNAL(modifiedChanged()), SLOT(updateDocumentTab()));
switchToDocument(documentIndex);
centerViewOn(0, 0);
}