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mapwidgethelper: add the selectVisibleLocations() method

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The new method selectVisibleLocations() contains a routine
to find all visible MapLocation objects in the Map viewport and
select the dives associated to said MapLocation objects.

This method is to be invoked from the QML context menu.

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
This commit is contained in:
Lubomir I. Ivanov 2017-08-07 02:58:19 +03:00 • committed by Dirk Hohndel
parent 5db2460168
commit 93896e54db
2 changed files with 28 additions and 0 deletions
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27
mobile-widgets/qmlmapwidgethelper.cpp
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@ -144,6 +144,33 @@ void MapWidgetHelper::selectedLocationChanged(MapLocation *location)
emit selectedDivesChanged(m_selectedDiveIds);
}
void MapWidgetHelper::selectVisibleLocations()
{
int idx;
struct dive *dive;
bool selectedFirst = false;
m_selectedDiveIds.clear();
for_each_dive (idx, dive) {
struct dive_site *ds = get_dive_site_for_dive(dive);
if (!dive_site_has_gps_location(ds))
continue;
MapLocation *loc = m_mapLocationModel->getMapLocationForUuid(ds->uuid);
if (loc) {
QPointF point;
QMetaObject::invokeMethod(m_map, "fromCoordinate", Q_RETURN_ARG(QPointF, point),
Q_ARG(QGeoCoordinate, loc->coordinate()));
if (!qIsNaN(point.x())) {
if (!selectedFirst) {
m_mapLocationModel->setSelectedUuid(ds->uuid, false);
selectedFirst = true;
}
m_selectedDiveIds.append(idx);
}
}
}
emit selectedDivesChanged(m_selectedDiveIds);
}
/*
* Based on a 2D Map widget circle with center "coord" and radius SMALL_CIRCLE_RADIUS_PX,
* obtain a "small circle" with radius m_smallCircleRadius in meters: