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Dive site: don't use displayed_dive_site to store GPS coordinates

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The displayed_dive_site object is used in the dive-site-edit widget
to store the old (before-edit) data. But it was also used to store
the GPS data when changed on the map or the input box. Very confusing.
Instead, use the text field as only authoritative source of the
GPS data.

This introduces a small behavioral change: when changing the text
of the GPS text field, update the list of dive sites at the same
position.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2018-10-13 12:30:32 +02:00 • committed by Dirk Hohndel
parent 8815f77ea0
commit a823974b70
1 changed files with 33 additions and 26 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

59
desktop-widgets/locationinformation.cpp
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@ -120,7 +120,6 @@ void LocationInformationWidget::updateLabels()
}
ui.locationTags->setText(constructLocationTags(&taxonomy, false));
}
void LocationInformationWidget::clearLabels()
@ -138,12 +137,25 @@ void LocationInformationWidget::updateGpsCoordinates(degrees_t latitude, degrees
QString oldText = ui.diveSiteCoordinates->text();
const char *coords = printGPSCoords(latitude.udeg, longitude.udeg);
ui.diveSiteCoordinates->setText(coords);
enableLocationButtons(dive_site_has_gps_location(&displayed_dive_site));
enableLocationButtons(latitude.udeg || longitude.udeg);
free((void *)coords);
if (oldText != ui.diveSiteCoordinates->text())
markChangedWidget(ui.diveSiteCoordinates);
}
// Parse GPS text into latitude and longitude.
// On error, false is returned and the output parameters are left unmodified.
bool parseGpsText(const QString &text, degrees_t &latitude, degrees_t &longitude)
{
double lat, lon;
if (parseGpsText(text, &lat, &lon)) {
latitude.udeg = lrint(lat * 1000000.0);
longitude.udeg = lrint(lon * 1000000.0);
return true;
}
return false;
}
void LocationInformationWidget::acceptChanges()
{
char *uiString;
@ -156,8 +168,6 @@ void LocationInformationWidget::acceptChanges()
currentDs = get_dive_site_by_uuid(create_dive_site_from_current_dive(uiString));
displayed_dive.dive_site_uuid = currentDs->uuid;
}
currentDs->latitude = displayed_dive_site.latitude;
currentDs->longitude = displayed_dive_site.longitude;
if (!same_string(uiString, currentDs->name)) {
emit nameChanged(QString(currentDs->name), ui.diveSiteName->text());
free(currentDs->name);
@ -191,13 +201,8 @@ void LocationInformationWidget::acceptChanges()
free(uiString);
}
if (!ui.diveSiteCoordinates->text().isEmpty()) {
double lat, lon;
if (parseGpsText(ui.diveSiteCoordinates->text(), &lat, &lon)) {
currentDs->latitude.udeg = lrint(lat * 1000000.0);
currentDs->longitude.udeg = lrint(lon * 1000000.0);
}
}
if (!ui.diveSiteCoordinates->text().isEmpty())
parseGpsText(ui.diveSiteCoordinates->text(), currentDs->latitude, currentDs->longitude);
if (dive_site_is_empty(currentDs)) {
LocationInformationModel::instance()->removeRow(get_divesite_idx(currentDs));
displayed_dive.dive_site_uuid = 0;
@ -266,21 +271,18 @@ void LocationInformationWidget::enableEdition()
void LocationInformationWidget::on_diveSiteCoordinates_textChanged(const QString &text)
{
uint lat = displayed_dive_site.latitude.udeg;
uint lon = displayed_dive_site.longitude.udeg;
const char *coords = printGPSCoords(lat, lon);
if (!same_string(qPrintable(text), coords)) {
double latitude, longitude;
if (parseGpsText(text, &latitude, &longitude)) {
displayed_dive_site.latitude.udeg = lrint(latitude * 1000000);
displayed_dive_site.longitude.udeg = lrint(longitude * 1000000);
degrees_t latitude, longitude;
bool ok_old = displayed_dive_site.latitude.udeg || displayed_dive_site.longitude.udeg;
bool ok = parseGpsText(text, latitude, longitude);
if (ok != ok_old || latitude.udeg != displayed_dive_site.latitude.udeg || longitude.udeg != displayed_dive_site.longitude.udeg) {
if (ok) {
markChangedWidget(ui.diveSiteCoordinates);
enableLocationButtons(latitude != 0 && longitude != 0);
enableLocationButtons(true);
filter_model.setCoordinates(latitude, longitude);
} else {
enableLocationButtons(false);
}
}
free((void *)coords);
}
void LocationInformationWidget::on_diveSiteCountry_textChanged(const QString& text)
@ -319,17 +321,22 @@ void LocationInformationWidget::resetPallete()
void LocationInformationWidget::reverseGeocode()
{
reverseGeoLookup(displayed_dive_site.latitude, displayed_dive_site.longitude, &taxonomy);
updateLabels();
degrees_t latitude, longitude;
if (!parseGpsText(ui.diveSiteCoordinates->text(), latitude, longitude))
return;
reverseGeoLookup(latitude, longitude, &taxonomy);
ui.locationTags->setText(constructLocationTags(&taxonomy, false));
}
void LocationInformationWidget::updateLocationOnMap()
{
if (!displayed_dive_site.uuid)
return;
MapWidget::instance()->updateDiveSiteCoordinates(displayed_dive_site.uuid, displayed_dive_site.latitude,
displayed_dive_site.longitude);
filter_model.setCoordinates(displayed_dive_site.latitude, displayed_dive_site.longitude);
degrees_t latitude, longitude;
if (!parseGpsText(ui.diveSiteCoordinates->text(), latitude, longitude))
return;
MapWidget::instance()->updateDiveSiteCoordinates(displayed_dive_site.uuid, latitude, longitude);
filter_model.setCoordinates(latitude, longitude);
}
DiveLocationFilterProxyModel::DiveLocationFilterProxyModel(QObject*)