File indexing completed on 2024-06-23 03:46:09

 /*
     File                 : BigInt2DayOfWeekFilter.h
     Project              : AbstractColumn
     Description          : Conversion filter bigint -> QDateTime, interpreting
     the input numbers as days of the week (1 -> Monday).
     --------------------------------------------------------------------
     SPDX-FileCopyrightText: 2020 Stefan Gerlach <stefan.gerlach@uni.kn>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef BIGINT2DAY_OF_WEEK_FILTER_H
 #define BIGINT2DAY_OF_WEEK_FILTER_H
 
 #include "../AbstractSimpleFilter.h"
 #include <QDateTime>
 
 //! Conversion filter int -> QDateTime, interpreting the input numbers as days of the week (1 = Monday).
 class BigInt2DayOfWeekFilter : public AbstractSimpleFilter {
     Q_OBJECT
 
 public:
     QDate dateAt(int row) const override {
         if (!m_inputs.value(0))
             return QDate();
         qint64 inputValue = m_inputs.value(0)->bigIntAt(row);
         // Don't use Julian days here since support for years < 1 is bad
         // Use 1900-01-01 instead (a Monday)
         return QDate(1900, 1, 1).addDays(inputValue);
     }
     QTime timeAt(int row) const override {
         Q_UNUSED(row)
         return QTime(0, 0, 0, 0);
     }
     QDateTime dateTimeAt(int row) const override {
         return QDateTime(dateAt(row), timeAt(row));
     }
 
     //! Return the data type of the column
     AbstractColumn::ColumnMode columnMode() const override {
         return AbstractColumn::ColumnMode::Day;
     }
 
 protected:
     //! Using typed ports: only bigint inputs are accepted.
     bool inputAcceptable(int, const AbstractColumn* source) override {
         return source->columnMode() == AbstractColumn::ColumnMode::BigInt;
     }
 };
 
 #endif // ifndef BIGINT2DAY_OF_WEEK_FILTER_H