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added a method that copies dtaa from a std::map/QMap into the datastore

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jkriege2 2018-12-13 22:28:13 +01:00
parent 1cca87d759
commit 8ced68f619
1 changed files with 17 additions and 0 deletions
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17
lib/jkqtplotter/jkqtpdatastorage.h
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@ -473,6 +473,23 @@ class LIB_EXPORT JKQTPdatastore{
}
/** \brief copies the contents of the map-like container \a c into two columns of the datastore,
* returns the two IDs of the items as a std::pair */
template <typename TContainer>
std::pair<size_t, size_t> addCopiedMap(const TContainer& c, const QString& nameKey=QString("map_key"), const QString& nameValue=QString("map_value")) {
std::vector<double> xvals;
std::vector<double> yvals;
for (auto it=c.begin(); it!=c.end(); ++it) {
xvals.push_back(jkqtp_todouble(it->first));
yvals.push_back(jkqtp_todouble(it->second));
}
return std::make_pair<size_t, size_t>(
addCopiedColumn(xvals, nameKey),
addCopiedColumn(yvals, nameValue)
);
}