Add second ctor in Export classes to remove default nullptr parent parameter.

Author: przemek83

include/eible/ExportData.h

@@ -14,7 +14,8 @@ class EIBLE_EXPORT ExportData : public QObject
 {
     Q_OBJECT
 public:
-    explicit ExportData(QObject* parent = nullptr);
+    explicit ExportData(QObject* parent);
+    ExportData();
 
     /// @brief Export data from view to ioDevice.
     /// @param view Source of data.

include/eible/ExportDsv.h

@@ -16,7 +16,8 @@ class EIBLE_EXPORT ExportDsv : public ExportData
 public:
     /// @brief Constructor.
     /// @param separator Separator to be used during export (comma, tab, ...).
-    explicit ExportDsv(char separator, QObject* parent = nullptr);
+    ExportDsv(char separator, QObject* parent);
+    explicit ExportDsv(char separator);
 
     /// @brief Change date format to given one via Qt::DateFormat. (overloaded)
     /// @param format New format for dates as Qt::DateFormat.

include/eible/ExportXlsx.h

@@ -15,7 +15,8 @@ class EIBLE_EXPORT ExportXlsx : public ExportData
 {
     Q_OBJECT
 public:
-    explicit ExportXlsx(QObject* parent = nullptr);
+    explicit ExportXlsx(QObject* parent);
+    ExportXlsx();
 
 protected:
     bool writeContent(const QByteArray& content, QIODevice& ioDevice) override;

src/ExportData.cpp

@@ -5,6 +5,8 @@
 
 ExportData::ExportData(QObject* parent) : QObject(parent) {}
 
+ExportData::ExportData() : ExportData(nullptr) {}
+
 bool ExportData::exportView(const QAbstractItemView& view, QIODevice& ioDevice)
 {
     const QAbstractItemModel* model{view.model()};

src/ExportDsv.cpp

@@ -10,6 +10,8 @@ ExportDsv::ExportDsv(char separator, QObject* parent)
 {
 }
 
+ExportDsv::ExportDsv(char separator) : ExportDsv(separator, nullptr) {}
+
 QByteArray ExportDsv::getEmptyContent() { return {}; }
 
 QByteArray ExportDsv::generateHeaderContent(const QAbstractItemModel& model)

src/ExportXlsx.cpp

@@ -11,6 +11,8 @@
 
 ExportXlsx::ExportXlsx(QObject* parent) : ExportData(parent) {}
 
+ExportXlsx::ExportXlsx() : ExportXlsx(nullptr) {}
+
 bool ExportXlsx::writeContent(const QByteArray& content, QIODevice& ioDevice)
 {
     QFile xlsxTemplate(QStringLiteral(":/") + utilities::getXlsxTemplateName());