diff options
Diffstat (limited to 'desktop-widgets/command_private.h')
-rw-r--r-- | desktop-widgets/command_private.h | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/desktop-widgets/command_private.h b/desktop-widgets/command_private.h index 1207e326f..6981b6e57 100644 --- a/desktop-widgets/command_private.h +++ b/desktop-widgets/command_private.h @@ -12,50 +12,6 @@ namespace Command { -// Generally, signals are sent in batches per trip. To avoid writing the same loop -// again and again, this template takes a vector of trip / dive pairs, sorts it -// by trip and then calls a function-object with trip and a QVector of dives in that trip. -// The dives are sorted by the dive_less_than() function defined in the core. -// Input parameters: -// - dives: a vector of trip,dive pairs, which will be sorted and processed in batches by trip. -// - action: a function object, taking a trip-pointer and a QVector of dives, which will be called for each batch. -template<typename Function> -void processByTrip(std::vector<std::pair<dive_trip *, dive *>> &dives, Function action) -{ - // Use std::tie for lexicographical sorting of trip, then start-time - std::sort(dives.begin(), dives.end(), - [](const std::pair<dive_trip *, dive *> &e1, const std::pair<dive_trip *, dive *> &e2) - { return e1.first == e2.first ? dive_less_than(e1.second, e2.second) : e1.first < e2.first; }); - - // Then, process the dives in batches by trip - size_t i, j; // Begin and end of batch - for (i = 0; i < dives.size(); i = j) { - dive_trip *trip = dives[i].first; - for (j = i + 1; j < dives.size() && dives[j].first == trip; ++j) - ; // pass - // Copy dives into a QVector. Some sort of "range_view" would be ideal, but Qt doesn't work this way. - QVector<dive *> divesInTrip(j - i); - for (size_t k = i; k < j; ++k) - divesInTrip[k - i] = dives[k].second; - - // Finally, emit the signal - action(trip, divesInTrip); - } -} - -// The processByTrip() function above takes a vector if (trip, dive) pairs. -// This overload takes a vector of dives. -template<typename Vector, typename Function> -void processByTrip(Vector &divesIn, Function action) -{ - std::vector<std::pair<dive_trip *, dive *>> dives; - dives.reserve(divesIn.size()); - for (dive *d: divesIn) - dives.push_back({ d->divetrip, d }); - processByTrip(dives, action); - -} - // Reset the selection to the dives of the "selection" vector and send the appropriate signals. // Set the current dive to "currentDive". "currentDive" must be an element of "selection" (or // null if "seletion" is empty). Return true if the selection or current dive changed. |