Fix renumbering of dives

The implementation in commit 182fe790c9 ("Add ability to undo
renumbering of dives") looks perfectly reasonable, but it depends on an
implementation detail: it assumes that the keys of the QMap are returned
in the same order in which they were placed there. Which apparently isn't
the case for some version of Qt.

With this commit we simply remember both the old and the new number for
each dive and therefore the order in which they are processed doesn't
matter.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2015-06-14 21:49:34 -07:00
parent a524c01c3f
commit 8d05c71ca2
3 changed files with 12 additions and 12 deletions

View file

@ -143,14 +143,16 @@ void RenumberDialog::renumberOnlySelected(bool selected)
void RenumberDialog::buttonClicked(QAbstractButton *button)
{
if (ui.buttonBox->buttonRole(button) == QDialogButtonBox::AcceptRole) {
QMap<int,int> renumberedDives;
// we remember a map from dive uuid to a pair of old number / new number
QMap<int,QPair<int, int> > renumberedDives;
int i;
int newNr = ui.spinBox->value();
struct dive *dive = NULL;
for_each_dive (i, dive) {
if (!selectedOnly || dive->selected)
renumberedDives.insert(dive->id, dive->number);
renumberedDives.insert(dive->id, QPair<int,int>(dive->number, newNr++));
}
UndoRenumberDives *undoCommand = new UndoRenumberDives(renumberedDives, ui.spinBox->value());
UndoRenumberDives *undoCommand = new UndoRenumberDives(renumberedDives);
MainWindow::instance()->undoStack->push(undoCommand);
}
}

View file

@ -63,20 +63,20 @@ void UndoShiftTime::redo()
}
UndoRenumberDives::UndoRenumberDives(QMap<int, int> originalNumbers, int startNumber)
UndoRenumberDives::UndoRenumberDives(QMap<int, QPair<int, int> > originalNumbers)
{
oldNumbers = originalNumbers;
start = startNumber;
setText("renumber dive");
if (oldNumbers.count() > 1)
setText(QString("renumber %1 dives").arg(QString::number(oldNumbers.count())));
else
setText("renumber dive");
}
void UndoRenumberDives::undo()
{
foreach (int key, oldNumbers.keys()) {
struct dive* d = get_dive_by_uniq_id(key);
d->number = oldNumbers.value(key);
d->number = oldNumbers.value(key).first;
}
mark_divelist_changed(true);
MainWindow::instance()->refreshDisplay();
@ -84,10 +84,9 @@ void UndoRenumberDives::undo()
void UndoRenumberDives::redo()
{
int i = start;
foreach (int key, oldNumbers.keys()) {
struct dive* d = get_dive_by_uniq_id(key);
d->number = i++;
d->number = oldNumbers.value(key).second;
}
mark_divelist_changed(true);
MainWindow::instance()->refreshDisplay();

View file

@ -28,13 +28,12 @@ private:
class UndoRenumberDives : public QUndoCommand {
public:
UndoRenumberDives(QMap<int,int> originalNumbers, int startNumber);
UndoRenumberDives(QMap<int, QPair<int, int> > originalNumbers);
virtual void undo();
virtual void redo();
private:
QMap<int,int> oldNumbers;
int start;
QMap<int,QPair<int, int> > oldNumbers;
};
class UndoRemoveDivesFromTrip : public QUndoCommand {