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divetripmodel: add TRIP_HAS_CURRENT_ROLE

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This role returns true if the given trip contains the current
dive. This will be needed by the mobile list model to decide
if a newly added trip should be expanded right away.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2020-03-06 16:33:34 +01:00 • committed by Dirk Hohndel
parent a88ab64cf8
commit dbddec59d3
2 changed files with 13 additions and 5 deletions
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15
qt-models/divetripmodel.cpp
View file

@ -820,14 +820,21 @@ QVariant DiveTripModelTree::data(const QModelIndex &index, int role) const
return defaultModelFont();
dive_or_trip entry = tripOrDive(index);
if (role == IS_TRIP_ROLE)
if (!entry.trip && !entry.dive)
return QVariant(); // That's an invalid index!
if (role == IS_TRIP_ROLE) {
return !!entry.trip;
} else if (role == TRIP_HAS_CURRENT_ROLE) {
if (!entry.trip)
return false;
const Item &item = items[index.row()];
return std::find(item.dives.begin(), item.dives.end(), current_dive) != item.dives.end();
}
if (entry.trip)
return tripData(entry.trip, index.column(), role);
else if (entry.dive)
return diveData(entry.dive, index.column(), role);
else
return QVariant();
return diveData(entry.dive, index.column(), role);
}
// After a trip changed, the top level might need to be reordered.

3
qt-models/divetripmodel.h
View file

@ -50,7 +50,8 @@ public:
TRIP_ROLE,
DIVE_IDX,
SELECTED_ROLE,
CURRENT_ROLE
CURRENT_ROLE,
TRIP_HAS_CURRENT_ROLE // Returns true if this is a trip and it contains the current dive
};
enum Layout {
TREE,