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undo: implement ApplyGPSFixes undo command

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This gets a list of dives with GPS fixes and
1) Adds new dive sites if the dive hasn't a dive site set
2) Edits the location of the dive site

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2019-11-16 21:35:26 +01:00 • committed by Dirk Hohndel
parent 89047b3541
commit 93bdaa9bb5
4 changed files with 81 additions and 1 deletions
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47
commands/command_divesite.cpp
View file

@ -391,4 +391,51 @@ void MergeDiveSites::undo()
emit diveListNotifier.divesChanged(divesChanged, DiveField::DIVESITE);
}
ApplyGPSFixes::ApplyGPSFixes(const std::vector<DiveAndLocation> &fixes)
{
setText(tr("apply GPS fixes"));
for (const DiveAndLocation &dl: fixes) {
struct dive_site *ds = dl.d->dive_site;
if (ds) {
// Arbitrary choice: if we find multiple fixes for the same dive, we use the first one.
if (std::find_if(siteLocations.begin(), siteLocations.end(),
[ds] (const SiteAndLocation &sl) { return sl.ds == ds; }) == siteLocations.end()) {
siteLocations.push_back({ ds, dl.location });
}
} else {
ds = create_dive_site(qPrintable(dl.name), &dive_site_table);
ds->location = dl.location;
add_dive_to_dive_site(dl.d, ds);
dl.d->dive_site = nullptr; // This will be set on redo()
sitesToAdd.emplace_back(ds);
}
}
}
bool ApplyGPSFixes::workToBeDone()
{
return !sitesToAdd.empty() || !siteLocations.empty();
}
void ApplyGPSFixes::editDiveSites()
{
for (SiteAndLocation &sl: siteLocations) {
std::swap(sl.location, sl.ds->location);
emit diveListNotifier.diveSiteChanged(sl.ds, LocationInformationModel::LOCATION); // Inform frontend of changed dive site.
}
}
void ApplyGPSFixes::redo()
{
sitesToRemove = addDiveSites(sitesToAdd);
editDiveSites();
}
void ApplyGPSFixes::undo()
{
sitesToAdd = removeDiveSites(sitesToRemove);
editDiveSites();
}
} // namespace Command