Add QTime read write support

src/xlsx/xlsxutility.cpp

@@ -67,6 +67,11 @@ double datetimeToNumber(const QDateTime &dt, bool is1904)
     return excel_time;
 }
 
+double timeToNumber(const QTime &time)
+{
+    return QTime(0,0).msecsTo(time) / (1000*60*60*24.0);
+}
+
 QDateTime datetimeFromNumber(double num, bool is1904)
 {
     if (!is1904 && num > 60)

src/xlsx/xlsxutility_p.h

@@ -42,6 +42,7 @@ class QString;
 class QStringList;
 class QColor;
 class QDateTime;
+class QTime;
 
 namespace QXlsx {
 
@@ -49,6 +50,7 @@ XLSX_AUTOTEST_EXPORT int intPow(int x, int p);
 XLSX_AUTOTEST_EXPORT QStringList splitPath(const QString &path);
 XLSX_AUTOTEST_EXPORT double datetimeToNumber(const QDateTime &dt, bool is1904=false);
 XLSX_AUTOTEST_EXPORT QDateTime datetimeFromNumber(double num, bool is1904=false);
+XLSX_AUTOTEST_EXPORT double timeToNumber(const QTime &t);
 
 XLSX_AUTOTEST_EXPORT QPoint xl_cell_to_rowcol(const QString &cell_str);
 XLSX_AUTOTEST_EXPORT QString xl_col_to_name(int col_num);

src/xlsx/xlsxworksheet.cpp

@@ -444,6 +444,8 @@ int Worksheet::write(int row, int column, const QVariant &value, const Format &f
         ret = writeBool(row,column, value.toBool(), format);
     } else if (value.toDateTime().isValid()) { //DateTime
         ret = writeDateTime(row, column, value.toDateTime(), format);
+    } else if (value.toTime().isValid()) { //Time
+        ret = writeTime(row, column, value.toTime(), format);
     } else if (value.toDouble(&ok), ok) { //Number
         if (!d->workbook->isStringsToNumbersEnabled() && value.userType() == QMetaType::QString) {
             //Don't convert string to number if the flag not enabled.
@@ -509,6 +511,13 @@ QVariant Worksheet::read(int row, int column) const
         return QVariant();
     if (!cell->formula().isEmpty())
         return QVariant(QLatin1String("=")+cell->formula());
+    if (cell->isDateTime()) {
+        double val = cell->value().toDouble();
+        QDateTime dt = cell->dateTime();
+        if (val < 1)
+            return dt.time();
+        return dt;
+    }
     return cell->value();
 }
 
@@ -851,6 +860,38 @@ int Worksheet::writeDateTime(int row, int column, const QDateTime &dt, const For
     return 0;
 }
 
+/*!
+    \overload
+ */
+int Worksheet::writeTime(const QString &row_column, const QTime &t, const Format &format)
+{
+    //convert the "A1" notation to row/column notation
+    QPoint pos = xl_cell_to_rowcol(row_column);
+    if (pos == QPoint(-1, -1))
+        return -1;
+
+    return writeTime(pos.x(), pos.y(), t, format);
+}
+
+/*!
+    Write a QTime \a value to the cell (\a row, \a column) with the \a format
+ */
+int Worksheet::writeTime(int row, int column, const QTime &t, const Format &format)
+{
+    Q_D(Worksheet);
+    if (d->checkDimensions(row, column))
+        return -1;
+
+    Format fmt = format;
+    if (!fmt.isValid())
+        fmt.setNumberFormat(QStringLiteral("hh:mm:ss"));
+    d->workbook->styles()->addXfFormat(fmt);
+
+    d->cellTable[row][column] = QSharedPointer<Cell>(new Cell(timeToNumber(t), Cell::Numeric, fmt, this));
+
+    return 0;
+}
+
 /*!
     \overload
  */

src/xlsx/xlsxworksheet.h

@@ -77,6 +77,9 @@ public:
     int writeBool(int row, int column, bool value, const Format &format=Format());
     int writeDateTime(const QString &row_column, const QDateTime& dt, const Format &format=Format());
     int writeDateTime(int row, int column, const QDateTime& dt, const Format &format=Format());
+    int writeTime(const QString &row_column, const QTime& t, const Format &format=Format());
+    int writeTime(int row, int column, const QTime& t, const Format &format=Format());
+
     int writeHyperlink(const QString &row_column, const QUrl &url, const Format &format=Format(), const QString &display=QString(), const QString &tip=QString());
     int writeHyperlink(int row, int column, const QUrl &url, const Format &format=Format(), const QString &display=QString(), const QString &tip=QString());