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Mobile: replace model-reset by row-addition in DiveListModel::reload()

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Owing to apparent QML breakage, a model-reset leads to the DiveDetail
page being reloaded for every dive in the list(!). Therefore, add
rows instead.

This leads to extremely subtle code, as it is now imperative that
the model has been properly cleared beforehand. Nevertheless, for
now we have to do this to fix a severe performance regression.

Fixes #2295

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2019-09-26 13:47:49 +02:00 • committed by Dirk Hohndel
parent 649ac1f83a
commit eecca6aab0
3 changed files with 13 additions and 5 deletions
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2
qt-models/divelistmodel.h
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@ -53,7 +53,7 @@ public:
void removeDive(int i);
void removeDiveById(int id);
void updateDive(int i, dive *d);
void reload();
void reload(); // Only call after clearing the model!
struct dive *getDive(int i);
int rowCount(const QModelIndex &parent = QModelIndex()) const;
int getDiveIdx(int id) const;