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undo: split out EventBase class

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All event-based commands will work on a dive computer and
need to replot the profile, etc. Therefore, in analogy to
the dive-list commands create a base class with two virtual
functions undoit() and redoit() that must be defined in the
derived classes that do the actual work.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2020-03-04 17:35:02 +01:00
parent 1971cfad54
commit f9fe6d759f
2 changed files with 37 additions and 13 deletions
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31
commands/command_event.cpp
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@ -8,8 +8,27 @@
namespace Command {
AddEventBase::AddEventBase(struct dive *dIn, int dcNrIn, struct event *ev) :
d(dIn), dcNr(dcNrIn), eventToAdd(ev)
EventBase::EventBase(struct dive *dIn, int dcNrIn) :
d(dIn), dcNr(dcNrIn)
{
}
void EventBase::redo()
{
redoit(); // Call actual function in base class
invalidate_dive_cache(d);
emit diveListNotifier.eventsChanged(d);
}
void EventBase::undo()
{
undoit(); // Call actual function in base class
invalidate_dive_cache(d);
emit diveListNotifier.eventsChanged(d);
}
AddEventBase::AddEventBase(struct dive *d, int dcNr, struct event *ev) : EventBase(d, dcNr),
eventToAdd(ev)
{
}
@ -18,23 +37,19 @@ bool AddEventBase::workToBeDone()
return true;
}
void AddEventBase::redo()
void AddEventBase::redoit()
{
struct divecomputer *dc = get_dive_dc(d, dcNr);
eventToRemove = eventToAdd.get();
add_event_to_dc(dc, eventToAdd.release()); // return ownership to backend
invalidate_dive_cache(d);
emit diveListNotifier.eventsChanged(d);
}
void AddEventBase::undo()
void AddEventBase::undoit()
{
struct divecomputer *dc = get_dive_dc(d, dcNr);
remove_event_from_dc(dc, eventToRemove);
eventToAdd.reset(eventToRemove); // take ownership of event
eventToRemove = nullptr;
invalidate_dive_cache(d);
emit diveListNotifier.eventsChanged(d);
}
AddEventBookmark::AddEventBookmark(struct dive *d, int dcNr, int seconds) :