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maplocationmodel: add the addList() method

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This method should be used if many markers are added at once.
It's main purpose is to reduces the number of beingInsertRows()
calls.

Make MapWidgetHelper::reloadMapLocations() use it.

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
This commit is contained in:
Lubomir I. Ivanov 2017-07-17 22:59:14 +03:00 • committed by Dirk Hohndel
parent 8fe068f191
commit 6ed807f52d
3 changed files with 13 additions and 1 deletions
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4
mobile-widgets/qmlmapwidgethelper.cpp
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@ -29,12 +29,14 @@ void MapWidgetHelper::reloadMapLocations()
struct dive_site *ds;
int idx;
m_mapLocationModel->clear();
QList<MapLocation *> locationList;
for_each_dive_site(idx, ds) {
if (!dive_site_has_gps_location(ds))
continue;
const qreal longitude = ds->longitude.udeg / 1000000.0;
const qreal latitude = ds->latitude.udeg / 1000000.0;
m_mapLocationModel->add(new MapLocation(QGeoCoordinate(latitude, longitude)));
locationList.append(new MapLocation(QGeoCoordinate(latitude, longitude)));
}
m_mapLocationModel->addList(locationList);
}