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undo: add event removal undo command

Browse source 
This was a trivial copy & past of the event-adding undo command
with a switch of the undo() and redo() actions.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2020-03-04 18:25:47 +01:00
parent ab8e317b28
commit 3d511b069f
5 changed files with 49 additions and 7 deletions
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26
commands/command_event.cpp
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@ -97,4 +97,30 @@ void RenameEvent::undoit()
redoit();
}
RemoveEvent::RemoveEvent(struct dive *d, int dcNr, struct event *ev) : EventBase(d, dcNr),
eventToRemove(ev)
{
setText(tr("Remove %1 event").arg(ev->name));
}
bool RemoveEvent::workToBeDone()
{
return true;
}
void RemoveEvent::redoit()
{
struct divecomputer *dc = get_dive_dc(d, dcNr);
remove_event_from_dc(dc, eventToRemove);
eventToAdd.reset(eventToRemove); // take ownership of event
eventToRemove = nullptr;
}
void RemoveEvent::undoit()
{
struct divecomputer *dc = get_dive_dc(d, dcNr);
eventToRemove = eventToAdd.get();
add_event_to_dc(dc, eventToAdd.release()); // return ownership to backend
}
} // namespace Command