bool TvShowProxyModel::lessThan(const QModelIndex &left, const QModelIndex &right) const
{
QVariant leftData = sourceModel()->data(left,this->sortRole());
QVariant rightData = sourceModel()->data(right,this->sortRole());
if(leftData.type() == QVariant::Date)
{
QDate ldate(leftData.toDate());
QDate rdate(rightData.toDate());
if (!ldate.isValid())
{
return false;
}
else if (!rdate.isValid())
{
return true;
}
else
{
return ldate < rdate;
}
}
else
{
qDebug() << "ProxyModel::lessThan: incoming data was not a QDate";
return false;
}
}
// Method to store satellite data in this class' data map
void SatDataReader::loadData(void)
throw(FFStreamError, gpstk::StringUtils::StringException)
{
// Do this until end-of-file reached or something else happens
while(1)
{
try
{
std::string line;
formattedGetLine(line, true);
// If line is too long, we throw an exception
if (line.size()>255)
{
FFStreamError e("Line too long");
GPSTK_THROW(e);
}
// Let's find and strip comments, wherever they are
if( StringUtils::firstWord(line)[0] == '#' )
{
formattedGetLine(line, true);
}
std::string::size_type idx = line.find('#');
if( !(idx == std::string::npos) )
{
line = line.substr(0, idx);
}
// We erase the header (first line)
if( StringUtils::firstWord(line) == "Launch" )
{
formattedGetLine(line, true);
}
// Remove trailing and leading blanks
line = StringUtils::strip(line);
// Skip blank lines
if (line.size()==0)
{
continue;
}
// Let's start to get data out of file
// Launch date
string ldate(StringUtils::stripFirstWord(line));
// Deactivation date
string ddate(StringUtils::stripFirstWord(line));
// GPS number
string gnumber(StringUtils::stripFirstWord(line));
// PRN number
string prn(StringUtils::stripFirstWord(line));
// Block tipe
string block(StringUtils::upperCase(
StringUtils::stripFirstWord(line)));
// Get satellite id. If it doesn't fit GPS or Glonass, it is
// marked as unknown
SatID sat(StringUtils::asInt(prn),SatID::systemUnknown);
// Let's identify satellite system
if(block[0] == 'I')
{
sat.system = SatID::systemGPS;
}
else
{
if (block.substr(0, 3) == "GLO")
{
sat.system = SatID::systemGlonass;
}
}
// Declare the structure to store data
SatDataReader::svData data;
data.block = block;
data.gpsNumber = StringUtils::asInt(gnumber);
// Get launch date in a proper format
if(ldate[0] != '0')
{
ldate = StringUtils::translate(ldate, "-", " ");
scanTime(data.launchDate, ldate, "%Y %m %d");
}
// Get deactivation date in a proper format
if(ddate[0] != '0')
{
ddate = StringUtils::translate(ddate, "-", " ");
scanTime(data.deactivationDate, ddate, "%Y %m %d");
}
// It's not a good way!!!
data.launchDate.setTimeSystem(TimeSystem::Any);
data.deactivationDate.setTimeSystem(TimeSystem::Any);
// Insert data in data map
setData(sat, data);
} // End of try block
catch (EndOfFile& e)
{
// Close this data stream
(*this).close();
return;
}
catch (...)
{
// Close this data stream
(*this).close();
return;
}
} // End of while(1)
} // End of method 'SatDataReader::loadData()'
