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Undo: make "delete dive computer" undoable

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Simply reuse the code for "move dive computer" by creating
a DiveComputerBase base class.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2019-05-19 14:27:10 +02:00 • committed by Dirk Hohndel
parent eba6e76b96
commit 0bc96905bf
7 changed files with 60 additions and 25 deletions
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23
desktop-widgets/command_divelist.h
View file

@ -236,23 +236,36 @@ public:
SplitDiveComputer(dive *d, int dc_num);
};
// When moving the dive computer to the front, we go the ineffective,
// but easy way: We keep two full copies of the dive (before and after).
// When manipulating dive computers (moving, deleting) we go the ineffective,
// but simple and robust way: We keep two full copies of the dive (before and after).
// Removing and readding assures that the dive stays at the correct
// position in the list (the dive computer list is used for sorting dives).
class MoveDiveComputerToFront : public DiveListBase {
public:
MoveDiveComputerToFront(dive *d, int dc_num);
class DiveComputerBase : public DiveListBase {
protected:
// old_dive must be a dive known to the core.
// new_dive must be new dive whose ownership is taken.
DiveComputerBase(dive *old_dive, dive *new_dive);
private:
void undoit() override;
void redoit() override;
bool workToBeDone() override;
protected:
// For redo and undo
DivesAndTripsToAdd diveToAdd;
DivesAndSitesToRemove diveToRemove;
};
class MoveDiveComputerToFront : public DiveComputerBase {
public:
MoveDiveComputerToFront(dive *d, int dc_num);
};
class DeleteDiveComputer : public DiveComputerBase {
public:
DeleteDiveComputer(dive *d, int dc_num);
};
class MergeDives : public DiveListBase {
public:
MergeDives(const QVector<dive *> &dives);