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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
core/subsurface-qt/DiveListNotifier.h
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@ -16,7 +16,7 @@ enum class DiveField {
DATETIME,
AIR_TEMP,
WATER_TEMP,
LOCATION,
DIVESITE,
DIVEMASTER,
BUDDY,
RATING,
@ -66,6 +66,7 @@ signals:
void diveSiteDeleted(dive_site *ds, int idx);
void diveSiteDiveCountChanged(dive_site *ds);
void diveSiteChanged(dive_site *ds, int field); // field according to LocationInformationModel
void diveSiteDivesChanged(dive_site *ds); // The dives associated with that site changed
// Signals emitted when dives are edited.
void divesEdited(const QVector<dive *> &dives, DiveField);