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Add undo/redo commands for importing dive sites

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ImportDiveSites adds the provided dive sites to the core dive site table
and stores the source data so it can be undone.

Signed-off-by: Doug Junkins <junkins@foghead.com>
This commit is contained in:
Doug Junkins 2019-05-04 20:40:27 -07:00 • committed by bstoeger
parent c38a86bebf
commit 704ff9f82e
4 changed files with 59 additions and 1 deletions
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36
desktop-widgets/command_divesite.cpp
View file

@ -100,6 +100,42 @@ void AddDiveSite::undo()
sitesToAdd = std::move(removeDiveSites(sitesToRemove));
}
ImportDiveSites::ImportDiveSites(struct dive_site_table *sites, const QString &source)
{
setText(tr("import dive sites from %1").arg(source));
for (int i = 0; i < sites->nr; ++i) {
struct dive_site *new_ds = sites->dive_sites[i];
// Don't import dive sites that already exist. Currently we only check for
// the same name. We might want to be smarter here and merge dive site data, etc.
struct dive_site *old_ds = get_same_dive_site(new_ds);
if (old_ds) {
free_dive_site(new_ds);
continue;
}
sitesToAdd.emplace_back(new_ds);
}
// All site have been consumed
sites->nr = 0;
}
bool ImportDiveSites::workToBeDone()
{
return !sitesToAdd.empty();
}
void ImportDiveSites::redo()
{
sitesToRemove = std::move(addDiveSites(sitesToAdd));
}
void ImportDiveSites::undo()
{
sitesToAdd = std::move(removeDiveSites(sitesToRemove));
}
DeleteDiveSites::DeleteDiveSites(const QVector<dive_site *> &sites) : sitesToRemove(sites.toStdVector())
{
setText(tr("delete %n dive site(s)", "", sites.size()));