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https://github.com/jkriege2/JKQtPlotter.git
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JKQTPDatastore: added functions to check for existence of a column and to retreive the data of a column as a QVector<double>
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@ -315,6 +315,12 @@ JKQTPDatastore::~JKQTPDatastore() {
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clear();
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clear();
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}
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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bool JKQTPDatastore::hasColumn(size_t i) const
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{
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return columns.find(i)!=columns.end();
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////
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JKQTPDatastore::ColumnIterator JKQTPDatastore::begin()
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JKQTPDatastore::ColumnIterator JKQTPDatastore::begin()
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{
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{
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@ -1159,6 +1165,17 @@ QList<QVector<double> > JKQTPDatastore::getData(QStringList *columnNames, const
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return res;
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return res;
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}
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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QVector<double> JKQTPDatastore::getData(size_t column, QString *columnName) const
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{
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QVector<double> res;
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if (hasColumn(column)) {
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if (columnName) *columnName=columns.value(column).getName();
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columns.value(column).copyData(res);
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}
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return res;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////
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void JKQTPDatastore::saveDIF(const QString& filename, const QSet<int>& userColumns, const QString& floatformat) const {
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void JKQTPDatastore::saveDIF(const QString& filename, const QSet<int>& userColumns, const QString& floatformat) const {
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@ -387,6 +387,9 @@ class JKQTP_LIB_EXPORT JKQTPDatastore{
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/** \brief class destructor, destroys all subordered JKQTPDatastoreItem objects */
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/** \brief class destructor, destroys all subordered JKQTPDatastoreItem objects */
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~JKQTPDatastore();
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~JKQTPDatastore();
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/** \brief determines whether a column with the given ID exists */
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bool hasColumn(size_t i) const;
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/** \brief returns an iterator to the first data entry in the \a i -th column in the JKQTPDatastore \see JKQTPColumn::iterator */
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/** \brief returns an iterator to the first data entry in the \a i -th column in the JKQTPDatastore \see JKQTPColumn::iterator */
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JKQTPColumnIterator begin(int i);
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JKQTPColumnIterator begin(int i);
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/** \brief returns an iterator behind the last data entry data in the \a i -th column in the JKQTPDatastore \see JKQTPColumn::iterator */
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/** \brief returns an iterator behind the last data entry data in the \a i -th column in the JKQTPDatastore \see JKQTPColumn::iterator */
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@ -1326,6 +1329,13 @@ class JKQTP_LIB_EXPORT JKQTPDatastore{
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*/
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*/
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QList<QVector<double> > getData(QStringList* columnNames=nullptr, const QSet<int>& userColumns=QSet<int>()) const;
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QList<QVector<double> > getData(QStringList* columnNames=nullptr, const QSet<int>& userColumns=QSet<int>()) const;
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/** \brief return contents of a given column as QVector<double>
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*
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* \param column column to copy
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* \param columnName if \c !=nullptr this will afterwards conatin the column title
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*/
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QVector<double> getData(size_t column, QString* columnName=nullptr) const;
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/** \brief save contents of datastore as <a href="http://www.fileformat.info/format/dif/egff.htm">DIF file (data interchange format)</a>
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/** \brief save contents of datastore as <a href="http://www.fileformat.info/format/dif/egff.htm">DIF file (data interchange format)</a>
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*
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*
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* \param filename the file to create
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* \param filename the file to create
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