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Dive list: remember/restore selection only on view change

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The selection was remembered/restored anytime the sort-order
changed. Yet, this is only necessary if the view (tree, list)
changes. Therefore, handle the selection  only if this is the
case.

This automatically fixes the problem of the trip-selection
not being remembered if the view doesn't change. If the view
does change, trip selection is lost. But since the list view
doesn't have trips to start with, losing trip-selection seems
like an understandable behavior.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2018-10-28 14:33:16 +01:00 • committed by Dirk Hohndel
parent 139c749c90
commit 323a71941d
1 changed files with 5 additions and 11 deletions
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16
desktop-widgets/divelistview.cpp
View file

@ -462,15 +462,9 @@ bool DiveListView::eventFilter(QObject *, QEvent *event)
return true;
}
// NOTE! This loses trip selection, because while we remember the
// dives, we don't remember the trips (see the "currentSelectedDives"
// list). I haven't figured out how to look up the trip from the
// index. TRIP_ROLE vs DIVE_ROLE?
void DiveListView::headerClicked(int i)
{
DiveTripModel::Layout newLayout = i == (int)DiveTripModel::NR ? DiveTripModel::TREE : DiveTripModel::LIST;
rememberSelection();
unselectDives();
/* No layout change? Just re-sort, and scroll to first selection, making sure all selections are expanded */
if (currentLayout == newLayout) {
// If this is the same column as before, change sort order. Otherwise, choose a default
@ -484,17 +478,17 @@ void DiveListView::headerClicked(int i)
sortByColumn(i, currentOrder);
} else {
// clear the model, repopulate with new indexes.
if (currentLayout == DiveTripModel::TREE) {
rememberSelection();
unselectDives();
if (currentLayout == DiveTripModel::TREE)
backupExpandedRows();
}
reload(newLayout, false);
currentOrder = Qt::DescendingOrder;
sortByColumn(i, currentOrder);
if (newLayout == DiveTripModel::TREE) {
if (newLayout == DiveTripModel::TREE)
restoreExpandedRows();
}
restoreSelection();
}
restoreSelection();
// remember the new sort column
sortColumn = i;
}