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core/models: give progress update while populating models

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Especially with large dive logs this will prevent the user from thinking
that the app is hung.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2020-04-01 07:37:35 -07:00
parent 3df0cf6196
commit 00617aa924
1 changed files with 10 additions and 0 deletions
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10
qt-models/divetripmodel.cpp
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@ -494,10 +494,14 @@ void DiveTripModelBase::reset()
beginResetModel();
clearData();
populate();
uiNotification(tr("setting up dive sites"));
LocationInformationModel::instance()->update();
uiNotification(tr("finish populating data store"));
endResetModel();
uiNotification(tr("setting up internal data structures"));
initSelection();
emit diveListNotifier.numShownChanged();
uiNotification(tr("done setting up internal data structures"));
}
DiveTripModelBase::DiveTripModelBase(QObject *parent) : QAbstractItemModel(parent),
@ -716,7 +720,12 @@ DiveTripModelTree::DiveTripModelTree(QObject *parent) : DiveTripModelBase(parent
void DiveTripModelTree::populate()
{
// we want this to be two calls as the second text is overwritten below by the lines starting with "\r"
uiNotification(QObject::tr("populate data model"));
uiNotification(QObject::tr("start processing"));
for (int i = 0; i < dive_table.nr; ++i) {
if (i % 100 == 99)
uiNotification(QObject::tr("\r%1 dives processed").arg(i + 1));
dive *d = get_dive(i);
update_cylinder_related_info(d);
if (d->hidden_by_filter)
@ -744,6 +753,7 @@ void DiveTripModelTree::populate()
// Remember the index of the current dive
oldCurrent = current_dive;
uiNotification(QObject::tr("\r%1 dives processed").arg(dive_table.nr));
}
int DiveTripModelTree::rowCount(const QModelIndex &parent) const