diff options
Diffstat (limited to 'qt-models/divetripmodel.cpp')
-rw-r--r-- | qt-models/divetripmodel.cpp | 89 |
1 files changed, 71 insertions, 18 deletions
diff --git a/qt-models/divetripmodel.cpp b/qt-models/divetripmodel.cpp index 9fd323bcf..e15d5d0fd 100644 --- a/qt-models/divetripmodel.cpp +++ b/qt-models/divetripmodel.cpp @@ -417,14 +417,14 @@ bool DiveTripModelBase::setData(const QModelIndex &index, const QVariant &value, return true; } -void DiveTripModelBase::divesSelected(dive_trip *trip, const QVector<dive *> &dives) +void DiveTripModelBase::divesSelected(const QVector<dive *> &dives) { - changeDiveSelection(trip, dives, true); + changeDiveSelection(dives, true); } -void DiveTripModelBase::divesDeselected(dive_trip *trip, const QVector<dive *> &dives) +void DiveTripModelBase::divesDeselected(const QVector<dive *> &dives) { - changeDiveSelection(trip, dives, false); + changeDiveSelection(dives, false); } // Find a range of matching elements in a vector. @@ -915,7 +915,38 @@ void DiveTripModelTree::divesDeleted(dive_trip *trip, bool deleteTrip, const QVe } } -void DiveTripModelTree::divesChanged(dive_trip *trip, const QVector<dive *> &dives) +// The tree-version of the model wants to process the dives per trip. +// This template takes a vector of dives and calls a function batchwise for each trip. +template<typename Function> +void processByTrip(QVector<dive *> dives, Function action) +{ + // Sort lexicographically by trip then according to the dive_less_than() function. + std::sort(dives.begin(), dives.end(), [](const dive *d1, const dive *d2) + { return d1->divetrip == d2->divetrip ? dive_less_than(d1, d2) : d1->divetrip < d2->divetrip; }); + + // Then, process the dives in batches by trip + int i, j; // Begin and end of batch + for (i = 0; i < dives.size(); i = j) { + dive_trip *trip = dives[i]->divetrip; + for (j = i + 1; j < dives.size() && dives[j]->divetrip == trip; ++j) + ; // pass + // Copy dives into a QVector. Some sort of "range_view" would be ideal. + QVector<dive *> divesInTrip(j - i); + for (int k = i; k < j; ++k) + divesInTrip[k - i] = dives[k]; + + // Finally, emit the signal + action(trip, divesInTrip); + } +} + +void DiveTripModelTree::divesChanged(const QVector<dive *> &dives) +{ + processByTrip(dives, [this] (dive_trip *trip, const QVector<dive *> &divesInTrip) + { divesChangedTrip(trip, divesInTrip); }); +} + +void DiveTripModelTree::divesChangedTrip(dive_trip *trip, const QVector<dive *> &dives) { // Update filter flags. TODO: The filter should update the flag by itself when // recieving the signals below. @@ -992,7 +1023,7 @@ void DiveTripModelTree::divesMovedBetweenTrips(dive_trip *from, dive_trip *to, b // Move dives between trips. This is an "interesting" problem, as we might // move from trip to trip, from trip to top-level or from top-level to trip. // Moreover, we might have to add a trip first or delete an old trip. - // For simplicity, we will simply used the already existing divesAdded() / divesDeleted() + // For simplicity, we will simply use the already existing divesAdded() / divesDeleted() // functions. This *is* cheating. But let's just try this and see how graceful // this is handled by Qt and if it gives some ugly UI behavior! @@ -1006,10 +1037,16 @@ void DiveTripModelTree::divesMovedBetweenTrips(dive_trip *from, dive_trip *to, b QVector<dive *> selectedDives = filterSelectedDives(dives); divesAdded(to, createTo, dives); divesDeleted(from, deleteFrom, dives); - divesSelected(to, selectedDives); + changeDiveSelectionTrip(to, dives, true); +} + +void DiveTripModelTree::divesTimeChanged(timestamp_t delta, const QVector<dive *> &dives) +{ + processByTrip(dives, [this, delta] (dive_trip *trip, const QVector<dive *> &divesInTrip) + { divesTimeChangedTrip(trip, delta, divesInTrip); }); } -void DiveTripModelTree::divesTimeChanged(dive_trip *trip, timestamp_t delta, const QVector<dive *> &dives) +void DiveTripModelTree::divesTimeChangedTrip(dive_trip *trip, timestamp_t delta, const QVector<dive *> &dives) { // As in the case of divesMovedBetweenTrips(), this is a tricky, but solvable, problem. // We have to consider the direction (delta < 0 or delta >0) and that dives at their destination @@ -1024,10 +1061,16 @@ void DiveTripModelTree::divesTimeChanged(dive_trip *trip, timestamp_t delta, con QVector<dive *> selectedDives = filterSelectedDives(dives); divesDeleted(trip, false, dives); divesAdded(trip, false, dives); - divesSelected(trip, selectedDives); + changeDiveSelectionTrip(trip, selectedDives, true); +} + +void DiveTripModelTree::changeDiveSelection(const QVector<dive *> &dives, bool select) +{ + processByTrip(dives, [this, select] (dive_trip *trip, const QVector<dive *> &divesInTrip) + { changeDiveSelectionTrip(trip, divesInTrip, select); }); } -void DiveTripModelTree::changeDiveSelection(dive_trip *trip, const QVector<dive *> &dives, bool select) +void DiveTripModelTree::changeDiveSelectionTrip(dive_trip *trip, const QVector<dive *> &dives, bool select) { // We got a number of dives that have been selected. Turn this into QModelIndexes and // emit a signal, so that views can change the selection. @@ -1198,8 +1241,10 @@ QVariant DiveTripModelList::data(const QModelIndex &index, int role) const return d ? diveData(d, index.column(), role) : QVariant(); } -void DiveTripModelList::divesAdded(dive_trip *, bool, const QVector<dive *> &dives) +void DiveTripModelList::divesAdded(dive_trip *, bool, const QVector<dive *> &divesIn) { + QVector<dive *> dives = divesIn; + std::sort(dives.begin(), dives.end(), dive_less_than); addInBatches(items, dives, &dive_less_than, // comp [&](std::vector<dive *> &items, const QVector<dive *> &dives, int idx, int from, int to) { // inserter @@ -1209,8 +1254,10 @@ void DiveTripModelList::divesAdded(dive_trip *, bool, const QVector<dive *> &div }); } -void DiveTripModelList::divesDeleted(dive_trip *trip, bool deleteTrip, const QVector<dive *> &dives) +void DiveTripModelList::divesDeleted(dive_trip *, bool, const QVector<dive *> &divesIn) { + QVector<dive *> dives = divesIn; + std::sort(dives.begin(), dives.end(), dive_less_than); processRangesZip(items, dives, [](const dive *d1, const dive *d2) { return d1 == d2; }, // Condition (std::equal_to only in C++14) [&](std::vector<dive *> &items, const QVector<dive *> &, int from, int to, int) -> int { // Action @@ -1221,8 +1268,11 @@ void DiveTripModelList::divesDeleted(dive_trip *trip, bool deleteTrip, const QVe }); } -void DiveTripModelList::divesChanged(dive_trip *trip, const QVector<dive *> &dives) +void DiveTripModelList::divesChanged(const QVector<dive *> &divesIn) { + QVector<dive *> dives = divesIn; + std::sort(dives.begin(), dives.end(), dive_less_than); + // Update filter flags. TODO: The filter should update the flag by itself when // recieving the signals below. for (dive *d: dives) @@ -1240,16 +1290,19 @@ void DiveTripModelList::divesChanged(dive_trip *trip, const QVector<dive *> &div }); } -void DiveTripModelList::divesTimeChanged(dive_trip *trip, timestamp_t delta, const QVector<dive *> &dives) +void DiveTripModelList::divesTimeChanged(timestamp_t delta, const QVector<dive *> &divesIn) { + QVector<dive *> dives = divesIn; + std::sort(dives.begin(), dives.end(), dive_less_than); + // See comment for DiveTripModelTree::divesTimeChanged above. QVector<dive *> selectedDives = filterSelectedDives(dives); - divesDeleted(trip, false, dives); - divesAdded(trip, false, dives); - divesSelected(trip, selectedDives); + divesDeleted(nullptr, false, dives); + divesAdded(nullptr, false, dives); + divesSelected(selectedDives); } -void DiveTripModelList::changeDiveSelection(dive_trip *trip, const QVector<dive *> &dives, bool select) +void DiveTripModelList::changeDiveSelection(const QVector<dive *> &dives, bool select) { // We got a number of dives that have been selected. Turn this into QModelIndexes and // emit a signal, so that views can change the selection. |