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Undo: implement undo of dive site editing

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This one is a bit more tricky. There are two modes: set dive site
and set newly created dive site. This is realized using an OO model
with derived classed. Quite convoluted - but it seems to work.

Moreover, editing a dive site is not simply setting a value,
but the list of dives in a dive site has to be kept up to date.

Finally, we have to inform the dive site list of the changed
number of dives. Therefore add a new signal diveSiteDivesChanged.
To send only one signal per dive site, hook into the undo() and
redo() functions and call the functions of the base class there.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2019-03-20 21:46:58 +01:00 • committed by Dirk Hohndel
parent 4cb1ceefff
commit 6f574c53a3
10 changed files with 160 additions and 106 deletions
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3
desktop-widgets/tab-widgets/maintab.h
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@ -69,11 +69,11 @@ slots:
void updateNotes(const struct dive *d);
void updateMode(struct dive *d);
void updateDateTime(struct dive *d);
void updateDiveSite(struct dive *d);
void updateDepthDuration();
void acceptChanges();
void rejectChanges();
void on_location_diveSiteSelected();
void on_location_textChanged();
void on_divemaster_textChanged();
void on_buddy_textChanged();
void on_suit_editingFinished();
@ -126,7 +126,6 @@ private:
dive_trip_t *currentTrip;
dive_trip_t displayedTrip;
bool acceptingEdit;
struct dive_site *updateDiveSite(struct dive_site *pickedDs, dive *d);
QList<TabBase*> extraWidgets;
};