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// SPDX-License-Identifier: GPL-2.0
#include "desktop-widgets/undocommands.h"
#include "desktop-widgets/mainwindow.h"
#include "desktop-widgets/divelistview.h"
#include "core/divelist.h"
#include "core/subsurface-string.h"
#include "core/gettextfromc.h"
// This helper function removes a dive, takes ownership of the dive and adds it to a DiveToAdd structure.
// It is crucial that dives are added in reverse order of deletion, so the the indices are correctly
// set and that the trips are added before they are used!
static DiveToAdd removeDive(struct dive *d)
{
DiveToAdd res;
res.idx = get_divenr(d);
if (res.idx < 0)
qWarning() << "Deletion of unknown dive!";
// remove dive from trip - if this is the last dive in the trip
// remove the whole trip.
res.trip = unregister_dive_from_trip(d, false);
if (res.trip && res.trip->nrdives == 0) {
unregister_trip(res.trip); // Remove trip from backend
res.tripToAdd.reset(res.trip); // Take ownership of trip
}
res.dive.reset(unregister_dive(res.idx)); // Remove dive from backend
return res;
}
// This helper function adds a dive and returns ownership to the backend. It may also add a dive trip.
// It is crucial that dives are added in reverse order of deletion (see comment above)!
// Returns pointer to added dive (which is owned by the backend!)
static dive *addDive(DiveToAdd &d)
{
if (d.tripToAdd) {
dive_trip *t = d.tripToAdd.release(); // Give up ownership of trip
insert_trip(&t); // Return ownership to backend
}
if (d.trip)
add_dive_to_trip(d.dive.get(), d.trip);
dive *res = d.dive.release(); // Give up ownership of dive
add_single_dive(d.idx, res); // Return ownership to backend
return res;
}
UndoAddDive::UndoAddDive(dive *d)
{
setText(gettextFromC::tr("add dive"));
// TODO: handle tags
//saveTags();
d->maxdepth.mm = 0;
fixup_dive(d);
diveToAdd.trip = d->divetrip;
d->divetrip = nullptr;
diveToAdd.idx = dive_get_insertion_index(d);
d->number = get_dive_nr_at_idx(diveToAdd.idx);
diveToAdd.dive.reset(clone_dive(d));
}
void UndoAddDive::redo()
{
diveToRemove = addDive(diveToAdd);
mark_divelist_changed(true);
// Finally, do the UI stuff:
MainWindow::instance()->dive_list()->unselectDives();
MainWindow::instance()->dive_list()->selectDive(diveToAdd.idx, true);
MainWindow::instance()->refreshDisplay();
}
void UndoAddDive::undo()
{
// Simply remove the dive that was previously added
diveToAdd = removeDive(diveToRemove);
// Finally, do the UI stuff:
MainWindow::instance()->refreshDisplay();
}
UndoDeleteDive::UndoDeleteDive(const QVector<struct dive*> &divesToDeleteIn) : divesToDelete(divesToDeleteIn)
{
setText(tr("delete %n dive(s)", "", divesToDelete.size()));
}
void UndoDeleteDive::undo()
{
for (auto it = divesToAdd.rbegin(); it != divesToAdd.rend(); ++it)
divesToDelete.append(addDive(*it));
mark_divelist_changed(true);
divesToAdd.clear();
// Finally, do the UI stuff:
MainWindow::instance()->refreshDisplay();
}
void UndoDeleteDive::redo()
{
for (dive *d: divesToDelete)
divesToAdd.push_back(removeDive(d));
divesToDelete.clear();
mark_divelist_changed(true);
// Finally, do the UI stuff:
MainWindow::instance()->refreshDisplay();
}
UndoShiftTime::UndoShiftTime(QVector<int> changedDives, int amount)
: diveList(changedDives), timeChanged(amount)
{
setText(tr("delete %n dive(s)", "", changedDives.size()));
}
void UndoShiftTime::undo()
{
for (int i = 0; i < diveList.count(); i++) {
dive *d = get_dive_by_uniq_id(diveList.at(i));
d->when -= timeChanged;
}
// Changing times may have unsorted the dive table
sort_table(&dive_table);
mark_divelist_changed(true);
// Negate the time-shift so that the next call does the reverse
timeChanged = -timeChanged;
// Finally, do the UI stuff:
MainWindow::instance()->refreshDisplay();
}
void UndoShiftTime::redo()
{
// Same as undo(), since after undo() we reversed the timeOffset
undo();
}
UndoRenumberDives::UndoRenumberDives(const QVector<QPair<int, int>> &divesToRenumberIn) : divesToRenumber(divesToRenumberIn)
{
setText(tr("renumber %n dive(s)", "", divesToRenumber.count()));
}
void UndoRenumberDives::undo()
{
for (auto &pair: divesToRenumber) {
dive *d = get_dive_by_uniq_id(pair.first);
if (!d)
continue;
std::swap(d->number, pair.second);
}
mark_divelist_changed(true);
// Finally, do the UI stuff:
MainWindow::instance()->refreshDisplay();
}
void UndoRenumberDives::redo()
{
// Redo and undo do the same thing!
undo();
}
UndoRemoveDivesFromTrip::UndoRemoveDivesFromTrip(const QVector<dive *> &divesToRemoveIn) : divesToRemove(divesToRemoveIn)
{
setText(tr("remove %n dive(s) from trip", "", divesToRemove.size()));
}
void UndoRemoveDivesFromTrip::undo()
{
// first bring back the trip(s)
for (auto &trip: tripsToAdd) {
dive_trip *t = trip.release(); // Give up ownership
insert_trip(&t); // Return ownership to backend
}
tripsToAdd.clear();
for (auto &pair: divesToAdd)
add_dive_to_trip(pair.first, pair.second);
divesToAdd.clear();
// Finally, do the UI stuff:
MainWindow::instance()->refreshDisplay();
}
void UndoRemoveDivesFromTrip::redo()
{
for (dive *d: divesToRemove) {
// remove dive from trip - if this is the last dive in the trip
// remove the whole trip.
dive_trip *trip = unregister_dive_from_trip(d, false);
if (!trip)
continue; // This was not part of a trip
if (trip->nrdives == 0) {
unregister_trip(trip); // Remove trip from backend
tripsToAdd.emplace_back(trip); // Take ownership of trip
}
divesToAdd.emplace_back(d, trip);
}
mark_divelist_changed(true);
// Finally, do the UI stuff:
MainWindow::instance()->refreshDisplay();
}
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