Merge branch 'feature/save-to-protobuf' into develop

2018-11-18 21:33:24 +01:00 · 2018-11-18 21:33:24 +01:00 · 6f35ffda7f
parent 2ca87eebc0 f6b283b3a1
commit 6f35ffda7f
41 changed files with 1333 additions and 200 deletions
--- a/.gitignore
+++ b/.gitignore
@ -2,3 +2,4 @@ compile_commands.json
 _*/
 build-*
 *.user
+tags
--- a/proto/AkkusativModel.proto
+++ b/proto/AkkusativModel.proto
@ -0,0 +1,46 @@
+syntax = "proto3";
+
+package ESGRAF48;
+
+message AkkusativModel
+{
+	message TiereModel
+	{
+		bool Tiger = 1;
+		bool Katze = 2;
+		bool Affe = 3;
+		bool Gans = 4;
+		bool Baer = 5;
+		bool Pferd = 6;
+		bool Hund = 7;
+		bool Elefant = 8;
+	}
+
+	message VersteckeModel
+	{
+		bool Vorhang1 = 1;
+		bool Kiste1 = 2;
+		bool Holz1 = 3;
+		bool Kiste2 = 4;
+		bool Baum1 = 5;
+		bool Vorhang2 = 6;
+		bool Holz2 = 7;
+		bool Baum2 = 8;
+	}
+
+	message FutterModel
+	{
+		bool Salat = 1;
+		bool Fleisch = 2;
+		bool Knochen = 3;
+		bool Banane = 4;
+		bool Apfel = 5;
+		bool Karotte = 6;
+		bool Honig = 7;
+		bool Zucker = 8;
+	}
+
+	TiereModel Tiere = 1;
+	VersteckeModel Verstecke = 2;
+	FutterModel Futter = 3;
+}
--- a/proto/DataModel.proto
+++ b/proto/DataModel.proto
@ -0,0 +1,26 @@
+syntax = "proto3";
+
+package ESGRAF48;
+
+import "MetaDataModel.proto";
+import "V2SvkModel.proto";
+import "VerbEndModel.proto";
+import "GenusModel.proto";
+import "AkkusativModel.proto";
+import "DativModel.proto";
+import "PluralModel.proto";
+import "LateSkillsGenitivModel.proto";
+import "LateSkillsPassivModel.proto";
+
+message DataModel
+{
+	MetaDataModel MetaData = 1;
+	V2SvkModel V2Svk = 2;
+	VerbEndModel VerbEnd = 3;
+	GenusModel Genus = 4;
+	AkkusativModel Akkusativ = 5;
+	DativModel Dativ = 6;
+	PluralModel Plural = 7;
+	LateSkillsGenitivModel LateSkillsGenitiv = 8;
+	LateSkillsPassivModel LateSkillsPassiv = 9;
+}
--- a/proto/DativModel.proto
+++ b/proto/DativModel.proto
@ -0,0 +1,46 @@
+syntax = "proto3";
+
+package ESGRAF48;
+
+message DativModel
+{
+	message TiereModel
+	{
+		bool Tiger = 1;
+		bool Katze = 2;
+		bool Affe = 3;
+		bool Gans = 4;
+		bool Baer = 5;
+		bool Pferd = 6;
+		bool Hund = 7;
+		bool Elefant = 8;
+	}
+
+	message VersteckeModel
+	{
+		bool Vorhang1 = 1;
+		bool Kiste1 = 2;
+		bool Holz1 = 3;
+		bool Kiste2 = 4;
+		bool Baum1 = 5;
+		bool Vorhang2 = 6;
+		bool Holz2 = 7;
+		bool Baum2 = 8;
+	}
+
+	message FutterModel
+	{
+		bool Salat = 1;
+		bool Fleisch = 2;
+		bool Knochen = 3;
+		bool Banane = 4;
+		bool Apfel = 5;
+		bool Karotte = 6;
+		bool Honig = 7;
+		bool Zucker = 8;
+	}
+
+	TiereModel Tiere = 1;
+	VersteckeModel Verstecke = 2;
+	FutterModel Futter = 3;
+}
--- a/proto/GenusModel.proto
+++ b/proto/GenusModel.proto
@ -0,0 +1,42 @@
+syntax = "proto3";
+
+package ESGRAF48;
+
+message GenusModel
+{
+	message TiereModel
+	{
+		bool Tiger = 1;
+		bool Baer = 2;
+		bool Katze = 3;
+		bool Pferd = 4;
+		bool Gans = 5;
+		bool Elefant = 6;
+		bool Affe = 7;
+		bool Hund = 8;
+	}
+
+	message FutterModel
+	{
+		bool Salat = 1;
+		bool Fleisch = 2;
+		bool Knochen = 3;
+		bool Banane = 4;
+		bool Apfel = 5;
+		bool Karotte = 6;
+		bool Honig = 7;
+		bool Zucker = 8;
+	}
+
+	message ZirkusModel
+	{ 
+		bool Kiste = 1;
+		bool Holz = 2;
+		bool Vorhang = 3;
+		bool Baum = 4;
+	}
+
+	TiereModel Tiere = 1;
+	FutterModel Futter = 2;
+	ZirkusModel Zirkus = 3;
+}
--- a/proto/LateSkillsGenitivModel.proto
+++ b/proto/LateSkillsGenitivModel.proto
@ -0,0 +1,33 @@
+syntax = "proto3";
+
+package ESGRAF48;
+
+message LateSkillsGenitivModel
+{
+	message PraepositionenModel
+	{ 
+		bool anstelle1 = 1;
+		bool anstelle2 = 2;
+		bool ausserhalb1 = 3;
+		bool ausserhalb2 = 4;
+		bool mithilfe1 = 5;
+		bool mithilfe2 = 6; 
+	}
+
+	message AttributierungModel
+	{
+		bool Schuhe1 = 1;
+		bool Schuhe2 = 2;
+		bool Zauberstab1 = 3;
+		bool Zauberstab2 = 4;
+		bool Hut1 = 5;
+		bool Hut2 = 6;
+		bool Brille1 = 7;
+		bool Brille2 = 8;
+		bool Guertel1 = 9;
+		bool Guertel2 = 10; 
+	}
+
+	PraepositionenModel Praepositionen = 1;
+	AttributierungModel Attributierung = 2;
+}
--- a/proto/LateSkillsPassivModel.proto
+++ b/proto/LateSkillsPassivModel.proto
@ -0,0 +1,17 @@
+syntax = "proto3";
+
+package ESGRAF48;
+
+message LateSkillsPassivModel
+{
+	bool Elefant1 = 1;
+	bool Elefant2 = 2;
+	bool Pferde1 = 3;
+	bool Pferde2 = 4;
+	bool Baelle1 = 5;
+	bool Baelle2 = 6;
+	bool Ball1 = 7;
+	bool Ball2 = 8;
+	bool Fleisch1 = 9;
+	bool Fleisch2 = 10;
+}
--- a/proto/MetaDataModel.proto
+++ b/proto/MetaDataModel.proto
@ -0,0 +1,12 @@
+syntax = "proto3";
+
+package ESGRAF48;
+
+message MetaDataModel
+{
+	string ParticipantName = 1;
+	string InstructorName = 2;
+	string DateOfBirth = 3;
+	string DateOfTest = 4;
+	string Remarks = 5;
+}
--- a/proto/PluralModel.proto
+++ b/proto/PluralModel.proto
@ -0,0 +1,16 @@
+syntax = "proto3";
+
+package ESGRAF48;
+
+message PluralModel
+{
+	bool Fisch = 1;
+	bool Banane = 2;
+	bool Bonbon = 3;
+	bool Ei = 4;
+	bool Eimer = 5;
+	bool Korn = 6;
+	bool Nuss = 7;
+	bool Baer = 8;
+	bool Apfel = 9;
+}
--- a/proto/V2SvkModel.proto
+++ b/proto/V2SvkModel.proto
@ -0,0 +1,51 @@
+syntax = "proto3";
+
+package ESGRAF48;
+
+message V2SvkModel
+{
+	message OneEach
+	{
+		bool Affe = 1;
+		bool Schwein = 2;
+		bool Gans = 3;
+	}
+
+	message TwoEach
+	{
+		bool Affe1 = 1;
+		bool Affe2 = 2;
+		bool Schwein1 = 3;
+		bool Schwein2 = 4;
+		bool Gans1 = 5;
+		bool Gans2 = 6;
+	}
+
+	message FourEach
+	{
+		bool Affe1 = 1;
+		bool Affe2 = 2;
+		bool Affe3 = 3;
+		bool Affe4 = 4;
+		bool Schwein1 = 5;
+		bool Schwein2 = 6;
+		bool Schwein3 = 7;
+		bool Schwein4 = 8;
+		bool Gans1 = 9;
+		bool Gans2 = 10;
+		bool Gans3 = 11;
+		bool Gans4 = 12;
+	}
+
+	FourEach WFrage = 1;
+	OneEach Verbtrennung1 = 2;
+	FourEach SvkSt = 3;
+	FourEach ObjTop = 4;
+	FourEach SvkStamm = 5;
+	TwoEach TempPraes = 6;
+	TwoEach SvkE1 = 7;
+	TwoEach TempPerf = 8;
+	TwoEach Verbtrennung2 = 9;
+	TwoEach SvkE2 = 10;
+	TwoEach Partizip = 11;
+}
--- a/proto/VerbEndModel.proto
+++ b/proto/VerbEndModel.proto
@ -0,0 +1,42 @@
+syntax = "proto3";
+
+package ESGRAF48;
+
+message VerbEndModel
+{
+	message TelefonatModel
+	{
+		bool Kausal1 = 1;
+		bool Kausal2 = 2;
+		bool Relativ = 3;
+		bool Kausal3 = 4;
+		bool Final = 5;
+		bool Temporal1 = 6;
+		bool Temporal2 = 7;
+	}
+
+	message ZaubertrickModel
+	{
+		bool Relativ = 1;
+		bool Final1 = 2;
+		bool Kausal1 = 3;
+		bool Final2 = 4;
+		bool Temporal1 = 5;
+		bool Kausal2 = 6;
+		bool Temporal2 = 7;
+	}
+
+	message ZauberregelModel
+	{
+		bool Temporal1 = 1;
+		bool Kausal = 2;
+		bool Final = 3;
+		bool Relativ1 = 4;
+		bool Temporal2 = 5;
+		bool Relativ2 = 6;
+	}
+
+	TelefonatModel Telefonat = 1;
+	ZaubertrickModel Zaubertrick = 2;
+	ZauberregelModel Zauberregel = 3;
+}
--- a/source/CMakeLists.txt
+++ b/source/CMakeLists.txt
@ -4,6 +4,7 @@ project(ESGRAF48 LANGUAGES CXX)

 find_package(Qt5Widgets REQUIRED)
 find_package(Qt5PrintSupport REQUIRED)
+find_package(Protobuf REQUIRED)

 set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTORCC ON)
@ -16,6 +17,22 @@ qt5_add_resources(LOGO_TEST_QRC
 	mainwindow.qrc
 )

+set(DataModel_PROTO_FILES
+	../proto/DataModel.proto
+	../proto/MetaDataModel.proto
+	../proto/V2SvkModel.proto
+	../proto/VerbEndModel.proto
+	../proto/GenusModel.proto
+	../proto/AkkusativModel.proto
+	../proto/DativModel.proto
+	../proto/PluralModel.proto
+	../proto/LateSkillsPassivModel.proto
+	../proto/LateSkillsGenitivModel.proto
+)
+
+protobuf_generate_cpp(DataModel_PROTO_SRCS DataModel_PROTO_HDRS
+	${DataModel_PROTO_FILES})
+
 add_executable(${PROJECT_NAME} WIN32
 	LogoTest.cpp
 	DataModel.cpp
@ -23,6 +40,8 @@ add_executable(${PROJECT_NAME} WIN32
 	Age.cpp
 	${LOGO_TEST_UI}
 	${LOGO_TEST_QRC}
+	${DataModel_PROTO_SRCS}
+	${DataModel_PROTO_HDRS}
 )

 set_target_properties(${PROJECT_NAME}
@ -33,6 +52,7 @@ target_include_directories(${PROJECT_NAME}
 	PRIVATE
 		${CMAKE_CURRENT_LIST_DIR}
 		${CMAKE_CURRENT_BINARY_DIR}
+		${Protobuf_INCLUDE_DIRS}
 )

 target_link_libraries(${PROJECT_NAME}
@ -50,6 +70,7 @@ target_link_libraries(${PROJECT_NAME}
 		ResultWidget
 		Qt5::Widgets
 		Qt5::PrintSupport
+		${Protobuf_LIBRARIES}
 )

 add_subdirectory(CheckableItem)
--- a/source/CheckableTestModel/CheckableTestModel.h
+++ b/source/CheckableTestModel/CheckableTestModel.h
@ -30,9 +30,10 @@ public:

 	unsigned int getPoints() const;

-private:
-	bool isValidIndex(const QModelIndex &index) const;
+protected:
+	virtual bool isValidIndex(const QModelIndex &index) const;

+private:
 	CheckableItems &getItems(const QModelIndex &index);
 	const CheckableItems &getItems(const QModelIndex &index) const;

--- a/source/DataModel.cpp
+++ b/source/DataModel.cpp
@ -1,64 +1,86 @@
 #include "DataModel.h"
+#include "DataModel.pb.h"

-#include <QDebug>
+#include <sstream>

 DataModel::DataModel(QObject *parent)
-	: QObject(parent)
-	, m_metaData(this)
-	, m_verbEnd(this)
-	, m_genus(this)
-	, m_plural(this)
-	, m_results(this)
-	, m_akkusativ(this)
-	, m_dativ(this)
-	, m_v2Svk(this)
+    : QObject(parent)
+    , m_metaData(this)
+    , m_verbEnd(this)
+    , m_genus(this)
+    , m_plural(this)
+    , m_results(this)
+    , m_akkusativ(this)
+    , m_dativ(this)
+    , m_v2Svk(this)
    , m_passiv(this)
    , m_genitiv(this)
 {
-	connect(&m_plural, &PluralModel::dataChanged, this,
-		&DataModel::pluralModelChanged);
-	connect(&m_metaData, &MetaDataModel::dataChanged, this,
-		&DataModel::metaDataChanged);
-	connect(&m_genus, &GenusModel::dataChanged, this,
-		&DataModel::genusModelChanged);
-	connect(&m_verbEnd, &VerbEndModel::dataChanged, this,
-		&DataModel::verbEndModelChanged);
-	connect(&m_akkusativ, &AkkusativModel::dataChanged, this,
-		&DataModel::akkusativModelChanged);
-	connect(&m_dativ, &DativModel::dataChanged, this,
-		&DataModel::dativModelChanged);
-	connect(&m_v2Svk, &V2SvkModel::dataChanged, this,
-		&DataModel::v2SvkModelChanged);
-    connect(&m_passiv, &PassivModel::dataChanged, this,
-        &DataModel::passivModelChanged);
-    connect(&m_genitiv, &GenitivModel::dataChanged, this,
-        &DataModel::genitivModelChanged);
+	connect(&m_plural, &PluralModel::dataChanged, this, &DataModel::pluralModelChanged);
+	connect(&m_metaData, &MetaDataModel::dataChanged, this, &DataModel::metaDataChanged);
+	connect(&m_genus, &GenusModel::dataChanged, this, &DataModel::genusModelChanged);
+	connect(&m_verbEnd, &VerbEndModel::dataChanged, this, &DataModel::verbEndModelChanged);
+	connect(&m_akkusativ, &AkkusativModel::dataChanged, this, &DataModel::akkusativModelChanged);
+	connect(&m_dativ, &DativModel::dataChanged, this, &DataModel::dativModelChanged);
+	connect(&m_v2Svk, &V2SvkModel::dataChanged, this, &DataModel::v2SvkModelChanged);
+	connect(&m_passiv, &PassivModel::dataChanged, this, &DataModel::passivModelChanged);
+	connect(&m_genitiv, &GenitivModel::dataChanged, this, &DataModel::genitivModelChanged);
 }

-void DataModel::write(QJsonObject &target) const
+void DataModel::writeProtoBuf(std::ostream &outStream) const
 {
-	write(m_metaData, target, "MetaData");
-	write(m_verbEnd, target, "VerbEnd");
-	write(m_genus, target, "Genus");
-	write(m_plural, target, "Plural");
-	write(m_akkusativ, target, "Akkusativ");
-	write(m_dativ, target, "Dativ");
-	write(m_v2Svk, target, "V2Svk");
-    write(m_passiv, target, "Passiv");
-    write(m_genitiv, target, "Genitiv");
+	ESGRAF48::DataModel dataModel;
+
+	m_metaData.writeProtoBuf(*dataModel.mutable_metadata());
+	m_v2Svk.writeProtoBuf(*dataModel.mutable_v2svk());
+	m_verbEnd.writeProtoBuf(*dataModel.mutable_verbend());
+	m_genus.writeProtoBuf(*dataModel.mutable_genus());
+	m_akkusativ.write(*dataModel.mutable_akkusativ());
+	m_dativ.write(*dataModel.mutable_dativ());
+	m_plural.write(*dataModel.mutable_plural());
+	m_genitiv.write(*dataModel.mutable_lateskillsgenitiv());
+	m_passiv.write(*dataModel.mutable_lateskillspassiv());
+
+	dataModel.SerializeToOstream(&outStream);
 }

-void DataModel::read(const QJsonObject &source)
+void DataModel::readProtoBuf(std::istream &inStream)
 {
-	read(m_metaData, source, "MetaData");
-	read(m_verbEnd, source, "VerbEnd");
-	read(m_genus, source, "Genus");
-	read(m_plural, source, "Plural");
-	read(m_akkusativ, source, "Akkusativ");
-	read(m_dativ, source, "Dativ");
-	read(m_v2Svk, source, "V2Svk");
-    read(m_passiv, source, "Passiv");
-    read(m_genitiv, source, "Genitiv");
+	ESGRAF48::DataModel dataModel;
+	dataModel.ParseFromIstream(&inStream);
+
+	m_metaData.readProtoBuf(dataModel.metadata());
+	m_v2Svk.readProtoBuf(dataModel.v2svk());
+	m_verbEnd.readProtoBuf(dataModel.verbend());
+	m_genus.readProtoBuf(dataModel.genus());
+	m_akkusativ.read(dataModel.akkusativ());
+	m_dativ.read(dataModel.dativ());
+	m_plural.read(dataModel.plural());
+	m_genitiv.read(dataModel.lateskillsgenitiv());
+	m_passiv.read(dataModel.lateskillspassiv());
+}
+
+std::string DataModel::toHtml() const
+{
+	std::stringstream out;
+
+	out << "<html>" << std::endl;
+	out << "<head>" << std::endl;
+	out << "<style>" << std::endl;
+	out << "body {" << std::endl;
+	out << "font-family:sans-serif;" << std::endl;
+	out << "}" << std::endl;
+	out << "</style>" << std::endl;
+	out << "</head>" << std::endl;
+	out << "<body>" << std::endl;
+	out << "<h2>ESGRAF 4-8 Auswertungsbogen</h2>" << std::endl;
+	out << "<p>" << std::endl;
+	out << m_metaData.toHtml();
+	out << "</p>" << std::endl;
+	out << "</body>" << std::endl;
+	out << "</html>" << std::endl;
+
+	return out.str();
 }

 void DataModel::pluralModelChanged()
@ -113,14 +135,14 @@ void DataModel::v2SvkModelChanged()

 void DataModel::passivModelChanged()
 {
-    m_results.setPassivResult(m_passiv.getPoints());
+	m_results.setPassivResult(m_passiv.getPoints());

 	emit modelChanged();
 }

 void DataModel::genitivModelChanged()
 {
-    m_results.setGenitivResult(m_genitiv.getPoints());
+	m_results.setGenitivResult(m_genitiv.getPoints());

 	emit modelChanged();
 }
--- a/source/DataModel.h
+++ b/source/DataModel.h
@ -34,8 +34,10 @@ public:
 public:
 	DataModel(QObject *parent);

-	void write(QJsonObject &target) const;
-	void read(const QJsonObject &source);
+	std::string toHtml() const;
+
+	void writeProtoBuf(std::ostream &outStream) const;
+	void readProtoBuf(std::istream &inStream);

 signals:
 	void modelChanged();
--- a/source/MetaData/CMakeLists.txt
+++ b/source/MetaData/CMakeLists.txt
@ -3,6 +3,7 @@ cmake_minimum_required(VERSION 3.6)
 project(MetaData LANGUAGES CXX)

 find_package(Qt5Widgets REQUIRED)
+find_package(Protobuf REQUIRED)

 set(CMAKE_AUTOMOC ON)

@ -10,10 +11,20 @@ qt5_wrap_ui(META_DATA_UI
 	MetaDataWidget.ui
 )

+set(MetaDataModel_PROTO_FILES
+	../../proto/MetaDataModel.proto
+)
+
+protobuf_generate_cpp(MetaDataModel_PROTO_SRCS MetaDataModel_PROTO_HDRS
+	${MetaDataModel_PROTO_FILES}
+)
+
 add_library(${PROJECT_NAME}
 	MetaDataModel.cpp
 	MetaDataWidget.cpp
 	${META_DATA_UI}
+	${MetaDataModel_PROTO_SRCS}
+	${MetaDataModel_PROTO_HDRS}
 )

 set_target_properties(${PROJECT_NAME}
@ -23,6 +34,7 @@ set_target_properties(${PROJECT_NAME}
 target_include_directories(${PROJECT_NAME}
 	PRIVATE
 		${CMAKE_CURRENT_BINARY_DIR}
+		${Protobuf_INCLUDE_DIRS}
 	INTERFACE
 		${CMAKE_CURRENT_SOURCE_DIR}
 )
@ -30,4 +42,5 @@ target_include_directories(${PROJECT_NAME}
 target_link_libraries(${PROJECT_NAME}
 	PRIVATE
 		Qt5::Widgets
+		${Protobuf_LIBRARIES}
 )
--- a/source/MetaData/MetaDataModel.cpp
+++ b/source/MetaData/MetaDataModel.cpp
@ -2,8 +2,10 @@

 #include <QDebug>

+#include <sstream>
+
 MetaDataModel::MetaDataModel(QObject *parent)
-	: QAbstractTableModel(parent)
+    : QAbstractTableModel(parent)
 {
 	m_dateOfBirth = QDate::currentDate().addYears(-9);
 	m_dateOfTest = QDate::currentDate();
@ -50,8 +52,7 @@ Qt::ItemFlags MetaDataModel::flags(const QModelIndex &modelIndex) const
 	return QAbstractTableModel::flags(modelIndex) | Qt::ItemIsEditable;
 }

-bool MetaDataModel::setData(
-	const QModelIndex &modelIndex, const QVariant &value, int role)
+bool MetaDataModel::setData(const QModelIndex &modelIndex, const QVariant &value, int role)
 {
 	if (role != Qt::EditRole)
 	{
@ -111,20 +112,57 @@ bool MetaDataModel::setData(
 	return valueChanged;
 }

-void MetaDataModel::write(QJsonObject &json) const
+void MetaDataModel::readProtoBuf(const ESGRAF48::MetaDataModel &model)
 {
-	json["participant name"] = m_participant;
-	json["instructor name"] = m_instructor;
-	json["date of birth"] = m_dateOfBirth.toString(Qt::ISODate);
-	json["date of test"] = m_dateOfTest.toString(Qt::ISODate);
-	json["remarks"] = m_remarks;
+	setData(index(0, 0), QString::fromStdString(model.participantname()));
+	setData(index(0, 1), QString::fromStdString(model.instructorname()));
+	setData(index(0, 2), QString::fromStdString(model.dateofbirth()));
+	setData(index(0, 3), QString::fromStdString(model.dateoftest()));
+	setData(index(0, 4), QString::fromStdString(model.remarks()));
 }

-void MetaDataModel::read(const QJsonObject &json)
+void MetaDataModel::writeProtoBuf(ESGRAF48::MetaDataModel &model) const
 {
-	setData(index(0, 0), json["participant name"].toVariant(), Qt::EditRole);
-	setData(index(0, 1), json["instructor name"].toVariant(), Qt::EditRole);
-	setData(index(0, 2), json["date of birth"].toVariant(), Qt::EditRole);
-	setData(index(0, 3), json["date of test"].toVariant(), Qt::EditRole);
-	setData(index(0, 4), json["remarks"].toVariant(), Qt::EditRole);
+	model.set_participantname(m_participant.toStdString());
+	model.set_instructorname(m_instructor.toStdString());
+	model.set_dateofbirth(m_dateOfBirth.toString(Qt::ISODate).toStdString());
+	model.set_dateoftest(m_dateOfTest.toString(Qt::ISODate).toStdString());
+	model.set_remarks(m_remarks.toStdString());
+}
+
+std::string MetaDataModel::toHtml() const
+{
+	std::ostringstream out;
+
+	out << "<table border=\"1\" cellspacing=\"0\" cellpadding=\"2\" frame=\"box\" rules=\"all\">"
+	    << std::endl;
+	out << "<tr>" << std::endl;
+	out << "<td width=\"25%\">Name, Vorname</td>" << std::endl;
+	out << "<td width=\"25%\">" << m_participant.toHtmlEscaped().toStdString() << "</td>"
+	    << std::endl;
+	out << "<td width=\"25%\">Untersucher(in)</td>" << std::endl;
+	out << "<td width=\"25%\">" << m_instructor.toHtmlEscaped().toStdString() << "</td>"
+	    << std::endl;
+	out << "</tr>" << std::endl;
+	out << "<tr>" << std::endl;
+	out << "<td>Geburtsdatum</td>" << std::endl;
+	out << "<td>" << m_dateOfBirth.toString("dd.MM.yyyy").toHtmlEscaped().toStdString() << "</td>"
+	    << std::endl;
+	out << "<td colspan=\"2\">Bemerkungen</td>" << std::endl;
+	out << "</tr>" << std::endl;
+	out << "<tr>" << std::endl;
+	out << "<td>Untersuchungsdatum</td>" << std::endl;
+	out << "<td>" << m_dateOfTest.toString("dd.MM.yyyy").toHtmlEscaped().toStdString() << "</td>"
+	    << std::endl;
+	out << "<td colspan=\"2\" rowspan=\"2\">"
+	    << m_remarks.trimmed().toHtmlEscaped().replace("\n", "<br>").toStdString() << "</td>"
+	    << std::endl;
+	out << "</tr>" << std::endl;
+	out << "<tr>" << std::endl;
+	out << "<td>Alter am Testtag</td>" << std::endl;
+	out << "<td>" << getAge().toString() << "</td>" << std::endl;
+	out << "</tr>" << std::endl;
+	out << "</table>" << std::endl;
+
+	return out.str();
 }
--- a/source/MetaData/MetaDataModel.h
+++ b/source/MetaData/MetaDataModel.h
@ -2,6 +2,8 @@

 #include "../Age.h"

+#include "MetaDataModel.pb.h"
+
 #include <QAbstractTableModel>
 #include <QString>
 #include <QDate>
@ -28,8 +30,10 @@ public:
 	bool setData(const QModelIndex &index, const QVariant &value,
 		int role = Qt::EditRole) override;

-	void write(QJsonObject &json) const;
-	void read(const QJsonObject &json);
+	void readProtoBuf(const ESGRAF48::MetaDataModel &model);
+	void writeProtoBuf(ESGRAF48::MetaDataModel &model) const;
+
+	std::string toHtml() const;

 	Age getAge() const
 	{
--- a/source/SubTests/AkkusativDativ/AkkusativModel.cpp
+++ b/source/SubTests/AkkusativDativ/AkkusativModel.cpp
@ -1,15 +1,107 @@
 #include "AkkusativModel.h"

 AkkusativModel::AkkusativModel(QObject *parent)
-	: CheckableTestModel(parent)
+    : CheckableTestModel(parent)
 {
-	m_tests = {
-		{ "Akkusativ Nominalphrase", { "Tiger", "Katze", "Affe", "Gans", "Bär",
-										 "Pferd", "Hund", "Elefant" } },
-		{ "Präpositionalphrase (Verstecke)",
-			{ "Vorhang", "Kiste", "Holz", "Kiste", "Baum", "Vorhang", "Holz",
-				"Baum" } },
-		{ "Nominalphrase (Futter)", { "Salat", "Fleisch", "Knochen", "Banane",
-										"Apfel", "Karotte", "Honig", "Zucker" } }
-	};
+	m_tests = {{"Akkusativ Nominalphrase",
+	            {"Tiger", "Katze", "Affe", "Gans", "Bär", "Pferd", "Hund", "Elefant"}},
+	           {"Präpositionalphrase (Verstecke)",
+	            {"Vorhang", "Kiste", "Holz", "Kiste", "Baum", "Vorhang", "Holz", "Baum"}},
+	           {"Nominalphrase (Futter)",
+	            {"Salat", "Fleisch", "Knochen", "Banane", "Apfel", "Karotte", "Honig", "Zucker"}}};
+}
+
+void AkkusativModel::read(const ESGRAF48::AkkusativModel &model)
+{
+	const auto &tiereModel = model.tiere();
+	{
+		auto &testItems = m_tests.at(0).items();
+
+		testItems[0].setState(tiereModel.tiger());
+		testItems[1].setState(tiereModel.katze());
+		testItems[2].setState(tiereModel.affe());
+		testItems[3].setState(tiereModel.gans());
+		testItems[4].setState(tiereModel.baer());
+		testItems[5].setState(tiereModel.pferd());
+		testItems[6].setState(tiereModel.hund());
+		testItems[7].setState(tiereModel.elefant());
+	}
+
+	const auto &versteckeModel = model.verstecke();
+	{
+		auto &testItems = m_tests.at(1).items();
+
+		testItems[0].setState(versteckeModel.vorhang1());
+		testItems[1].setState(versteckeModel.kiste1());
+		testItems[2].setState(versteckeModel.holz1());
+		testItems[3].setState(versteckeModel.kiste2());
+		testItems[4].setState(versteckeModel.baum1());
+		testItems[5].setState(versteckeModel.vorhang2());
+		testItems[6].setState(versteckeModel.holz2());
+		testItems[7].setState(versteckeModel.baum2());
+	}
+
+	const auto &futterModel = model.futter();
+	{
+		auto &testItems = m_tests.at(2).items();
+
+		testItems[0].setState(futterModel.salat());
+		testItems[1].setState(futterModel.fleisch());
+		testItems[2].setState(futterModel.knochen());
+		testItems[3].setState(futterModel.banane());
+		testItems[4].setState(futterModel.apfel());
+		testItems[5].setState(futterModel.karotte());
+		testItems[6].setState(futterModel.honig());
+		testItems[7].setState(futterModel.zucker());
+	}
+
+	emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+}
+
+void AkkusativModel::write(ESGRAF48::AkkusativModel &model) const
+{
+	auto *tiereModel = model.mutable_tiere();
+	if (tiereModel != nullptr)
+	{
+		const auto &testItems = m_tests.at(0).items();
+
+		tiereModel->set_tiger(testItems[0].isChecked());
+		tiereModel->set_katze(testItems[1].isChecked());
+		tiereModel->set_affe(testItems[2].isChecked());
+		tiereModel->set_gans(testItems[3].isChecked());
+		tiereModel->set_baer(testItems[4].isChecked());
+		tiereModel->set_pferd(testItems[5].isChecked());
+		tiereModel->set_hund(testItems[6].isChecked());
+		tiereModel->set_elefant(testItems[7].isChecked());
+	}
+
+	auto *versteckeModel = model.mutable_verstecke();
+	if (versteckeModel != nullptr)
+	{
+		const auto &testItems = m_tests.at(1).items();
+
+		versteckeModel->set_vorhang1(testItems[0].isChecked());
+		versteckeModel->set_kiste1(testItems[1].isChecked());
+		versteckeModel->set_holz1(testItems[2].isChecked());
+		versteckeModel->set_kiste2(testItems[3].isChecked());
+		versteckeModel->set_baum1(testItems[4].isChecked());
+		versteckeModel->set_vorhang2(testItems[5].isChecked());
+		versteckeModel->set_holz2(testItems[6].isChecked());
+		versteckeModel->set_baum2(testItems[7].isChecked());
+	}
+
+	auto *futterModel = model.mutable_futter();
+	if (futterModel != nullptr)
+	{
+		const auto &testItems = m_tests.at(2).items();
+
+		futterModel->set_salat(testItems[0].isChecked());
+		futterModel->set_fleisch(testItems[1].isChecked());
+		futterModel->set_knochen(testItems[2].isChecked());
+		futterModel->set_banane(testItems[3].isChecked());
+		futterModel->set_apfel(testItems[4].isChecked());
+		futterModel->set_karotte(testItems[5].isChecked());
+		futterModel->set_honig(testItems[6].isChecked());
+		futterModel->set_zucker(testItems[7].isChecked());
+	}
 }
--- a/source/SubTests/AkkusativDativ/AkkusativModel.h
+++ b/source/SubTests/AkkusativDativ/AkkusativModel.h
@ -1,6 +1,7 @@
 #pragma once

 #include "CheckableTestModel.h"
+#include "AkkusativModel.pb.h"

 class AkkusativModel : public CheckableTestModel
 {
@ -8,4 +9,7 @@ class AkkusativModel : public CheckableTestModel

 public:
 	AkkusativModel(QObject *parent);
+
+	void read(const ESGRAF48::AkkusativModel &model);
+	void write(ESGRAF48::AkkusativModel &model) const;
 };
--- a/source/SubTests/AkkusativDativ/CMakeLists.txt
+++ b/source/SubTests/AkkusativDativ/CMakeLists.txt
@ -3,6 +3,7 @@ cmake_minimum_required(VERSION 3.6)
 project(AkkusativDativ LANGUAGES CXX)

 find_package(Qt5Widgets REQUIRED)
+find_package(Protobuf REQUIRED)

 set(CMAKE_AUTOMOC ON)

@ -10,11 +11,22 @@ qt5_wrap_ui(UI_HEADERS
 	AkkusativDativWidget.ui
 )

+set(AkkusativDativ_PROTO_FILES
+	../../../proto/AkkusativModel.proto
+	../../../proto/DativModel.proto
+)
+
+protobuf_generate_cpp(AkkusativDativ_PROTO_SRCS AkkusativDativ_PROTO_HDRS 
+	${AkkusativDativ_PROTO_FILES}
+)
+
 add_library(${PROJECT_NAME}
 	AkkusativDativWidget.cpp
 	AkkusativModel.cpp
 	DativModel.cpp
 	${UI_HEADERS}
+	${AkkusativDativ_PROTO_SRCS}
+	${AkkusativDativ_PROTO_HDRS}
 )

 set_target_properties(${PROJECT_NAME}
@ -26,6 +38,7 @@ target_include_directories(${PROJECT_NAME}
 		${CMAKE_CURRENT_SOURCE_DIR}
 	PRIVATE
 		${CMAKE_CURRENT_BINARY_DIR}
+		${Protobuf_INCLUDE_DIRS}
 )

 target_link_libraries(${PROJECT_NAME}
@ -34,4 +47,5 @@ target_link_libraries(${PROJECT_NAME}
 		CheckableTest
 		CheckableTestModel
 		Qt5::Widgets
+		${Protobuf_LIBRARIES}
 )
--- a/source/SubTests/AkkusativDativ/DativModel.cpp
+++ b/source/SubTests/AkkusativDativ/DativModel.cpp
@ -1,15 +1,107 @@
 #include "DativModel.h"

 DativModel::DativModel(QObject *parent)
-	: CheckableTestModel(parent)
+    : CheckableTestModel(parent)
 {
-	m_tests = {
-		{ "Dativ Nominalphrase", { "Tiger", "Katze", "Affe", "Gans", "Bär",
-										 "Pferd", "Hund", "Elefant" } },
-		{ "Präpositionalphrase (Verstecke)",
-			{ "Vorhang", "Kiste", "Holz", "Kiste", "Baum", "Vorhang", "Holz",
-				"Baum" } },
-		{ "Nominalphrase (Tiere)", { "Salat", "Fleisch", "Knochen", "Banane",
-										"Apfel", "Karotte", "Honig", "Zucker" } }
-	};
+	m_tests = {{"Dativ Nominalphrase",
+	            {"Tiger", "Katze", "Affe", "Gans", "Bär", "Pferd", "Hund", "Elefant"}},
+	           {"Präpositionalphrase (Verstecke)",
+	            {"Vorhang", "Kiste", "Holz", "Kiste", "Baum", "Vorhang", "Holz", "Baum"}},
+	           {"Nominalphrase (Tiere)",
+	            {"Salat", "Fleisch", "Knochen", "Banane", "Apfel", "Karotte", "Honig", "Zucker"}}};
+}
+
+void DativModel::read(const ESGRAF48::DativModel &model)
+{
+	const auto &tiereModel = model.tiere();
+	{
+		auto &testItems = m_tests.at(0).items();
+
+		testItems[0].setState(tiereModel.tiger());
+		testItems[1].setState(tiereModel.katze());
+		testItems[2].setState(tiereModel.affe());
+		testItems[3].setState(tiereModel.gans());
+		testItems[4].setState(tiereModel.baer());
+		testItems[5].setState(tiereModel.pferd());
+		testItems[6].setState(tiereModel.hund());
+		testItems[7].setState(tiereModel.elefant());
+	}
+
+	const auto &versteckeModel = model.verstecke();
+	{
+		auto &testItems = m_tests.at(1).items();
+
+		testItems[0].setState(versteckeModel.vorhang1());
+		testItems[1].setState(versteckeModel.kiste1());
+		testItems[2].setState(versteckeModel.holz1());
+		testItems[3].setState(versteckeModel.kiste2());
+		testItems[4].setState(versteckeModel.baum1());
+		testItems[5].setState(versteckeModel.vorhang2());
+		testItems[6].setState(versteckeModel.holz2());
+		testItems[7].setState(versteckeModel.baum2());
+	}
+
+	const auto &futterModel = model.futter();
+	{
+		auto &testItems = m_tests.at(2).items();
+
+		testItems[0].setState(futterModel.salat());
+		testItems[1].setState(futterModel.fleisch());
+		testItems[2].setState(futterModel.knochen());
+		testItems[3].setState(futterModel.banane());
+		testItems[4].setState(futterModel.apfel());
+		testItems[5].setState(futterModel.karotte());
+		testItems[6].setState(futterModel.honig());
+		testItems[7].setState(futterModel.zucker());
+	}
+
+	emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+}
+
+void DativModel::write(ESGRAF48::DativModel &model) const
+{
+	auto *tiereModel = model.mutable_tiere();
+	if (tiereModel != nullptr)
+	{
+		const auto &testItems = m_tests.at(0).items();
+
+		tiereModel->set_tiger(testItems[0].isChecked());
+		tiereModel->set_katze(testItems[1].isChecked());
+		tiereModel->set_affe(testItems[2].isChecked());
+		tiereModel->set_gans(testItems[3].isChecked());
+		tiereModel->set_baer(testItems[4].isChecked());
+		tiereModel->set_pferd(testItems[5].isChecked());
+		tiereModel->set_hund(testItems[6].isChecked());
+		tiereModel->set_elefant(testItems[7].isChecked());
+	}
+
+	auto *versteckeModel = model.mutable_verstecke();
+	if (versteckeModel != nullptr)
+	{
+		const auto &testItems = m_tests.at(1).items();
+
+		versteckeModel->set_vorhang1(testItems[0].isChecked());
+		versteckeModel->set_kiste1(testItems[1].isChecked());
+		versteckeModel->set_holz1(testItems[2].isChecked());
+		versteckeModel->set_kiste2(testItems[3].isChecked());
+		versteckeModel->set_baum1(testItems[4].isChecked());
+		versteckeModel->set_vorhang2(testItems[5].isChecked());
+		versteckeModel->set_holz2(testItems[6].isChecked());
+		versteckeModel->set_baum2(testItems[7].isChecked());
+	}
+
+	auto *futterModel = model.mutable_futter();
+	if (futterModel != nullptr)
+	{
+		const auto &testItems = m_tests.at(2).items();
+
+		futterModel->set_salat(testItems[0].isChecked());
+		futterModel->set_fleisch(testItems[1].isChecked());
+		futterModel->set_knochen(testItems[2].isChecked());
+		futterModel->set_banane(testItems[3].isChecked());
+		futterModel->set_apfel(testItems[4].isChecked());
+		futterModel->set_karotte(testItems[5].isChecked());
+		futterModel->set_honig(testItems[6].isChecked());
+		futterModel->set_zucker(testItems[7].isChecked());
+	}
 }
--- a/source/SubTests/AkkusativDativ/DativModel.h
+++ b/source/SubTests/AkkusativDativ/DativModel.h
@ -1,6 +1,7 @@
 #pragma once

 #include "CheckableTestModel.h"
+#include "DativModel.pb.h"

 class DativModel : public CheckableTestModel
 {
@ -8,4 +9,7 @@ class DativModel : public CheckableTestModel

 public:
 	DativModel(QObject *parent);
+
+	void read(const ESGRAF48::DativModel &model);
+	void write(ESGRAF48::DativModel &model) const;
 };
--- a/source/SubTests/Genus/CMakeLists.txt
+++ b/source/SubTests/Genus/CMakeLists.txt
@ -3,6 +3,7 @@ cmake_minimum_required(VERSION 3.6)
 project(Genus LANGUAGES CXX)

 find_package(Qt5Widgets REQUIRED)
+find_package(Protobuf REQUIRED)

 set(CMAKE_AUTOMOC ON)

@ -10,10 +11,18 @@ qt5_wrap_ui(GENUS_UI
 	GenusWidget.ui
 )

+set(Genus_PROTO_FILES
+	../../../proto/GenusModel.proto
+)
+
+protobuf_generate_cpp(Genus_PROTO_SRCS Genus_PROTO_HDRS ${Genus_PROTO_FILES})
+
 add_library(${PROJECT_NAME}
 	GenusWidget.cpp
 	GenusModel.cpp
 	${GENUS_UI}
+	${Genus_PROTO_SRCS}
+	${Genus_PROTO_HDRS}
 )

 set_target_properties(${PROJECT_NAME}
@ -25,6 +34,7 @@ target_include_directories(${PROJECT_NAME}
 		${CMAKE_CURRENT_SOURCE_DIR}
 	PRIVATE
 		${CMAKE_CURRENT_BINARY_DIR}
+		${Protobuf_INCLUDE_DIRS}
 )

 target_link_libraries(${PROJECT_NAME}
@ -33,4 +43,5 @@ target_link_libraries(${PROJECT_NAME}
 		CheckableTest
 		CheckableTestModel
 		Qt5::Widgets
+		${Protobuf_LIBRARIES}
 )
--- a/source/SubTests/Genus/GenusModel.cpp
+++ b/source/SubTests/Genus/GenusModel.cpp
@ -1,11 +1,97 @@
 #include "GenusModel.h"

 GenusModel::GenusModel(QObject *parent)
-	: CheckableTestModel(parent)
+    : CheckableTestModel(parent)
 {
-	m_tests = { { "Tiere", { "Tiger", "Bär", "Katze", "Pferd", "Gans",
-							   "Elefant", "Affe", "Hund" } },
-		{ "Futter", { "Salat", "Fleisch", "Knochen", "Banane", "Apfel", "Karotte",
-						"Honig", "Zucker" } },
-		{ "Zirkus", { "Kiste", "Holz", "Vorhang", "Baum" } } };
+	m_tests = {{"Tiere", {"Tiger", "Bär", "Katze", "Pferd", "Gans", "Elefant", "Affe", "Hund"}},
+	           {"Futter",
+	            {"Salat", "Fleisch", "Knochen", "Banane", "Apfel", "Karotte", "Honig", "Zucker"}},
+	           {"Zirkus", {"Kiste", "Holz", "Vorhang", "Baum"}}};
+}
+
+void GenusModel::readProtoBuf(const ESGRAF48::GenusModel &model)
+{
+	const auto &tiereModel = model.tiere();
+	{
+		auto &testItems = m_tests.at(0).items();
+
+		testItems[0].setState(tiereModel.tiger());
+		testItems[1].setState(tiereModel.baer());
+		testItems[2].setState(tiereModel.katze());
+		testItems[3].setState(tiereModel.pferd());
+		testItems[4].setState(tiereModel.gans());
+		testItems[5].setState(tiereModel.elefant());
+		testItems[6].setState(tiereModel.affe());
+		testItems[7].setState(tiereModel.hund());
+	}
+
+	const auto &futterModel = model.futter();
+	{
+		auto &testItems = m_tests.at(1).items();
+
+		testItems[0].setState(futterModel.salat());
+		testItems[1].setState(futterModel.fleisch());
+		testItems[2].setState(futterModel.knochen());
+		testItems[3].setState(futterModel.banane());
+		testItems[4].setState(futterModel.apfel());
+		testItems[5].setState(futterModel.karotte());
+		testItems[6].setState(futterModel.honig());
+		testItems[7].setState(futterModel.zucker());
+	}
+
+	const auto &zirkusModel = model.zirkus();
+	{
+		auto &testItems = m_tests.at(2).items();
+
+		testItems[0].setState(zirkusModel.kiste());
+		testItems[1].setState(zirkusModel.holz());
+		testItems[2].setState(zirkusModel.vorhang());
+		testItems[3].setState(zirkusModel.baum());
+	}
+
+	emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+}
+
+void GenusModel::writeProtoBuf(ESGRAF48::GenusModel &model) const
+{
+	auto *tiereModel = model.mutable_tiere();
+	if (tiereModel != nullptr)
+	{
+		const auto &testItems = m_tests.at(0).items();
+
+		tiereModel->set_tiger(testItems[0].isChecked());
+		tiereModel->set_baer(testItems[1].isChecked());
+		tiereModel->set_katze(testItems[2].isChecked());
+		tiereModel->set_pferd(testItems[3].isChecked());
+		tiereModel->set_gans(testItems[4].isChecked());
+		tiereModel->set_elefant(testItems[5].isChecked());
+		tiereModel->set_affe(testItems[6].isChecked());
+		tiereModel->set_hund(testItems[7].isChecked());
+	}
+
+	auto *futterModel = model.mutable_futter();
+	if (futterModel != nullptr)
+	{
+		const auto &testItems = m_tests.at(1).items();
+
+		futterModel->set_salat(testItems[0].isChecked());
+		futterModel->set_fleisch(testItems[1].isChecked());
+		futterModel->set_knochen(testItems[2].isChecked());
+		futterModel->set_banane(testItems[3].isChecked());
+		futterModel->set_apfel(testItems[4].isChecked());
+		futterModel->set_karotte(testItems[5].isChecked());
+		futterModel->set_honig(testItems[6].isChecked());
+		futterModel->set_zucker(testItems[7].isChecked());
+	}
+
+	auto *zirkusModel = model.mutable_zirkus();
+	if (zirkusModel != nullptr)
+	{
+		const auto &testItems = m_tests.at(2).items();
+
+		zirkusModel->set_kiste(testItems[0].isChecked());
+		zirkusModel->set_holz(testItems[1].isChecked());
+		zirkusModel->set_vorhang(testItems[2].isChecked());
+		zirkusModel->set_baum(testItems[3].isChecked());
+	}
 }
--- a/source/SubTests/Genus/GenusModel.h
+++ b/source/SubTests/Genus/GenusModel.h
@ -1,6 +1,7 @@
 #pragma once

 #include "CheckableTestModel.h"
+#include "GenusModel.pb.h"

 class GenusModel : public CheckableTestModel
 {
@ -8,4 +9,7 @@ class GenusModel : public CheckableTestModel

 public:
 	GenusModel(QObject *parent);
+
+	void readProtoBuf(const ESGRAF48::GenusModel &model);
+	void writeProtoBuf(ESGRAF48::GenusModel &model) const;
 };
--- a/source/SubTests/LateSkills/CMakeLists.txt
+++ b/source/SubTests/LateSkills/CMakeLists.txt
@ -3,18 +3,30 @@ cmake_minimum_required(VERSION 3.6)
 project(LateSkills LANGUAGES CXX)

 find_package(Qt5Widgets REQUIRED)
+find_package(Protobuf REQUIRED)

 set(CMAKE_AUTOMOC ON)

 qt5_wrap_ui(UI_HEADERS 
-        LateSkillsWidget.ui
+	LateSkillsWidget.ui
+)
+
+set(LateSkills_PROTO_FILES
+	../../../proto/LateSkillsGenitivModel.proto
+	../../../proto/LateSkillsPassivModel.proto
+)
+
+protobuf_generate_cpp(LateSkills_PROTO_SRCS LateSkills_PROTO_HDRS 
+	${LateSkills_PROTO_FILES}
 )

 add_library(${PROJECT_NAME}
-        LateSkillsWidget.cpp
+	LateSkillsWidget.cpp
 	PassivModel.cpp
 	GenitivModel.cpp
 	${UI_HEADERS}
+	${LateSkills_PROTO_SRCS}
+	${LateSkills_PROTO_HDRS}
 )

 set_target_properties(${PROJECT_NAME}
@ -23,15 +35,17 @@ set_target_properties(${PROJECT_NAME}

 target_include_directories(${PROJECT_NAME}
 	PUBLIC
-		${CMAKE_CURRENT_SOURCE_DIR}
+	${CMAKE_CURRENT_SOURCE_DIR}
 	PRIVATE
-		${CMAKE_CURRENT_BINARY_DIR}
+	${CMAKE_CURRENT_BINARY_DIR}
+	${Protobuf_INCLUDE_DIRS}
 )

 target_link_libraries(${PROJECT_NAME}
 	PRIVATE
-		CheckableItem
-		CheckableTest
-		CheckableTestModel
-		Qt5::Widgets
+	CheckableItem
+	CheckableTest
+	CheckableTestModel
+	Qt5::Widgets
+	${Protobuf_LIBRARIES}
 )
--- a/source/SubTests/LateSkills/GenitivModel.cpp
+++ b/source/SubTests/LateSkills/GenitivModel.cpp
@ -1,45 +1,109 @@
 #include "GenitivModel.h"

 GenitivModel::GenitivModel(QObject *parent)
-	: CheckableTestModel(parent)
+    : CheckableTestModel(parent)
 {
 	m_tests = {
-		{ "Genitiv Präpositionen",
-			{ "anstelle (1)", "anstelle (2)", "außerhalb (1)", "außerhalb (2)",
-				"mithilfe (1)", "mithilfe (2)" } },
-		{ "Attributierung",
-			{ "Schuhe (1)", "Schuhe (2)", "Zauberstab (1)", "Zauberstab (2)",
-				"Hut (1)", "Hut (2)", "Brille (1)", "Brille (2)", "Gürtel (1)",
-				"Gürtel (2)" } },
+	    {"Genitiv Präpositionen",
+	     {"anstelle (1)", "anstelle (2)", "außerhalb (1)", "außerhalb (2)", "mithilfe (1)",
+	      "mithilfe (2)"}},
+	    {"Attributierung",
+	     {"Schuhe (1)", "Schuhe (2)", "Zauberstab (1)", "Zauberstab (2)", "Hut (1)", "Hut (2)",
+	      "Brille (1)", "Brille (2)", "Gürtel (1)", "Gürtel (2)"}},
 	};

-	for (auto index : { 1, 3, 5 })
+	for (auto index : {1, 3, 5})
 	{
 		m_tests[0].items()[index].setValue(2);
 	}

-	for (auto index : { 1, 3, 5, 7, 9 })
+	for (auto index : {1, 3, 5, 7, 9})
 	{
 		m_tests[1].items()[index].setValue(2);
 	}
 }

-bool GenitivModel::setData(
-	const QModelIndex &modelIndex, const QVariant &value, int role)
+bool GenitivModel::setData(const QModelIndex &modelIndex, const QVariant &value, int role)
 {
 	if (role == Qt::CheckStateRole && value.toBool() == true)
 	{
 		if (modelIndex.column() % 2 == 0)
 		{
-			CheckableTestModel::setData(
-				index(modelIndex.row(), modelIndex.column() + 1), false, role);
+			CheckableTestModel::setData(index(modelIndex.row(), modelIndex.column() + 1), false,
+			                            role);
 		}
 		else
 		{
-			CheckableTestModel::setData(
-				index(modelIndex.row(), modelIndex.column() - 1), false, role);
+			CheckableTestModel::setData(index(modelIndex.row(), modelIndex.column() - 1), false,
+			                            role);
 		}
 	}

 	return CheckableTestModel::setData(modelIndex, value, role);
 }
+
+void GenitivModel::read(const ESGRAF48::LateSkillsGenitivModel &model)
+{
+	const auto &praepositionenModel = model.praepositionen();
+	{
+		auto &testItems = m_tests.at(0).items();
+
+		testItems[0].setState(praepositionenModel.anstelle1());
+		testItems[1].setState(praepositionenModel.anstelle2());
+		testItems[2].setState(praepositionenModel.ausserhalb1());
+		testItems[3].setState(praepositionenModel.ausserhalb2());
+		testItems[4].setState(praepositionenModel.mithilfe1());
+		testItems[5].setState(praepositionenModel.mithilfe2());
+	}
+
+	const auto &attributierungModel = model.attributierung();
+	{
+		auto &testItems = m_tests.at(1).items();
+
+		testItems[0].setState(attributierungModel.schuhe1());
+		testItems[1].setState(attributierungModel.schuhe2());
+		testItems[2].setState(attributierungModel.zauberstab1());
+		testItems[3].setState(attributierungModel.zauberstab2());
+		testItems[4].setState(attributierungModel.hut1());
+		testItems[5].setState(attributierungModel.hut2());
+		testItems[6].setState(attributierungModel.brille1());
+		testItems[7].setState(attributierungModel.brille2());
+		testItems[8].setState(attributierungModel.guertel1());
+		testItems[9].setState(attributierungModel.guertel2());
+	}
+
+	emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+}
+
+void GenitivModel::write(ESGRAF48::LateSkillsGenitivModel &model) const
+{
+	auto *praepositionenModel = model.mutable_praepositionen();
+	if (praepositionenModel != nullptr)
+	{
+		const auto &testItems = m_tests.at(0).items();
+
+		praepositionenModel->set_anstelle1(testItems[0].isChecked());
+		praepositionenModel->set_anstelle2(testItems[1].isChecked());
+		praepositionenModel->set_ausserhalb1(testItems[2].isChecked());
+		praepositionenModel->set_ausserhalb2(testItems[3].isChecked());
+		praepositionenModel->set_mithilfe1(testItems[4].isChecked());
+		praepositionenModel->set_mithilfe2(testItems[5].isChecked());
+	}
+
+	auto *attributierungModel = model.mutable_attributierung();
+	if (attributierungModel != nullptr)
+	{
+		const auto &testItems = m_tests.at(1).items();
+
+		attributierungModel->set_schuhe1(testItems[0].isChecked());
+		attributierungModel->set_schuhe2(testItems[1].isChecked());
+		attributierungModel->set_zauberstab1(testItems[2].isChecked());
+		attributierungModel->set_zauberstab2(testItems[3].isChecked());
+		attributierungModel->set_hut1(testItems[4].isChecked());
+		attributierungModel->set_hut2(testItems[5].isChecked());
+		attributierungModel->set_brille1(testItems[6].isChecked());
+		attributierungModel->set_brille2(testItems[7].isChecked());
+		attributierungModel->set_guertel1(testItems[8].isChecked());
+		attributierungModel->set_guertel2(testItems[9].isChecked());
+	}
+}
--- a/source/SubTests/LateSkills/GenitivModel.h
+++ b/source/SubTests/LateSkills/GenitivModel.h
@ -1,6 +1,7 @@
 #pragma once

 #include "CheckableTestModel.h"
+#include "LateSkillsGenitivModel.pb.h"

 class GenitivModel : public CheckableTestModel
 {
@ -10,4 +11,7 @@ public:
 	GenitivModel(QObject *parent);
 	bool setData(const QModelIndex &index, const QVariant &value,
 		int role = Qt::EditRole) override;
+
+	void read(const ESGRAF48::LateSkillsGenitivModel &model);
+	void write(ESGRAF48::LateSkillsGenitivModel &model) const;
 };
--- a/source/SubTests/LateSkills/PassivModel.cpp
+++ b/source/SubTests/LateSkills/PassivModel.cpp
@ -1,35 +1,67 @@
 #include "PassivModel.h"

 PassivModel::PassivModel(QObject *parent)
-	: CheckableTestModel(parent)
+    : CheckableTestModel(parent)
 {
-	m_tests = { { "Passiv",
-		{ "Elefant (1)", "Elefant (2)", "Pferde (1)", "Pferde (2)", "Bälle (1)",
-			"Bälle (2)", "Ball (1)", "Ball (2)", "Fleisch (1)",
-			"Fleisch (2)" } } };
+	m_tests = {{"Passiv",
+	            {"Elefant (1)", "Elefant (2)", "Pferde (1)", "Pferde (2)", "Bälle (1)", "Bälle (2)",
+	             "Ball (1)", "Ball (2)", "Fleisch (1)", "Fleisch (2)"}}};

-	for (auto index : { 1, 3, 5, 7, 9 })
+	for (auto index : {1, 3, 5, 7, 9})
 	{
 		m_tests[0].items()[index].setValue(2);
 	}
 }

-bool PassivModel::setData(
-	const QModelIndex &modelIndex, const QVariant &value, int role)
+bool PassivModel::setData(const QModelIndex &modelIndex, const QVariant &value, int role)
 {
 	if (role == Qt::CheckStateRole && value.toBool() == true)
 	{
 		if (modelIndex.column() % 2 == 0)
 		{
-			CheckableTestModel::setData(
-				index(modelIndex.row(), modelIndex.column() + 1), false, role);
+			CheckableTestModel::setData(index(modelIndex.row(), modelIndex.column() + 1), false,
+			                            role);
 		}
 		else
 		{
-			CheckableTestModel::setData(
-				index(modelIndex.row(), modelIndex.column() - 1), false, role);
+			CheckableTestModel::setData(index(modelIndex.row(), modelIndex.column() - 1), false,
+			                            role);
 		}
 	}

 	return CheckableTestModel::setData(modelIndex, value, role);
 }
+
+void PassivModel::read(const ESGRAF48::LateSkillsPassivModel &model)
+{
+	auto &testItems = m_tests.at(0).items();
+
+	testItems[0].setState(model.elefant1());
+	testItems[1].setState(model.elefant2());
+	testItems[2].setState(model.pferde1());
+	testItems[3].setState(model.pferde2());
+	testItems[4].setState(model.baelle1());
+	testItems[5].setState(model.baelle2());
+	testItems[6].setState(model.ball1());
+	testItems[7].setState(model.ball2());
+	testItems[8].setState(model.fleisch1());
+	testItems[9].setState(model.fleisch2());
+
+	emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+}
+
+void PassivModel::write(ESGRAF48::LateSkillsPassivModel &model) const
+{
+	const auto &testItems = m_tests.at(0).items();
+
+	model.set_elefant1(testItems[0].isChecked());
+	model.set_elefant2(testItems[1].isChecked());
+	model.set_pferde1(testItems[2].isChecked());
+	model.set_pferde2(testItems[3].isChecked());
+	model.set_baelle1(testItems[4].isChecked());
+	model.set_baelle2(testItems[5].isChecked());
+	model.set_ball1(testItems[6].isChecked());
+	model.set_ball2(testItems[7].isChecked());
+	model.set_fleisch1(testItems[8].isChecked());
+	model.set_fleisch2(testItems[9].isChecked());
+}
--- a/source/SubTests/LateSkills/PassivModel.h
+++ b/source/SubTests/LateSkills/PassivModel.h
@ -1,6 +1,7 @@
 #pragma once

 #include "CheckableTestModel.h"
+#include "LateSkillsPassivModel.pb.h"

 class PassivModel : public CheckableTestModel
 {
@ -10,4 +11,7 @@ public:
 	PassivModel(QObject *parent);
 	bool setData(const QModelIndex &index, const QVariant &value,
 		int role = Qt::EditRole) override;
+
+	void read(const ESGRAF48::LateSkillsPassivModel &model);
+	void write(ESGRAF48::LateSkillsPassivModel &model) const;
 };
--- a/source/SubTests/Plural/CMakeLists.txt
+++ b/source/SubTests/Plural/CMakeLists.txt
@ -3,6 +3,7 @@ cmake_minimum_required(VERSION 3.6)
 project(Plural LANGUAGES CXX)

 find_package(Qt5Widgets REQUIRED)
+find_package(Protobuf REQUIRED)

 set(CMAKE_AUTOMOC ON)

@ -10,10 +11,18 @@ qt5_wrap_ui(UI_HEADERS
 	PluralWidget.ui
 )

+set(Plural_PROTO_FILES
+	../../../proto/PluralModel.proto
+)
+
+protobuf_generate_cpp(Plural_PROTO_SRCS Plural_PROTO_HDRS ${Plural_PROTO_FILES})
+
 add_library(${PROJECT_NAME}
 	PluralWidget.cpp
 	PluralModel.cpp
 	${UI_HEADERS}
+	${Plural_PROTO_SRCS}
+	${Plural_PROTO_HDRS}
 )

 set_target_properties(${PROJECT_NAME}
@ -25,6 +34,7 @@ target_include_directories(${PROJECT_NAME}
 		${CMAKE_CURRENT_SOURCE_DIR}
 	PRIVATE
 		${CMAKE_CURRENT_BINARY_DIR}
+		${Protobuf_INCLUDE_DIRS}
 )

 target_link_libraries(${PROJECT_NAME}
@ -33,4 +43,5 @@ target_link_libraries(${PROJECT_NAME}
 		CheckableTest
 		CheckableTestModel
 		Qt5::Widgets
+		${Protobuf_LIBRARIES}
 )
--- a/source/SubTests/Plural/PluralModel.cpp
+++ b/source/SubTests/Plural/PluralModel.cpp
@ -3,20 +3,51 @@
 #include <QSize>

 PluralModel::PluralModel(QObject *parent)
-	: CheckableTestModel(parent)
+    : CheckableTestModel(parent)
 {
-	m_tests = { { "",
-		{ "Fisch /-e/", "Banane /-n/", "Bonbon /-s/", "Ei /-er/", "Eimer /-ø/",
-          "Korn UML+/-er/", "Nuss UML+/-e/", "Bär /-en/", "Apfel UML" } } };
+	m_tests = {{"",
+	            {"Fisch /-e/", "Banane /-n/", "Bonbon /-s/", "Ei /-er/", "Eimer /-ø/",
+	             "Korn UML+/-er/", "Nuss UML+/-e/", "Bär /-en/", "Apfel UML"}}};
 }

 QVariant PluralModel::data(const QModelIndex &index, int role) const
 {
-    if (role == Qt::SizeHintRole)
-    {
-        return QSize(180, 0);
-    }
+	if (role == Qt::SizeHintRole)
+	{
+		return QSize(180, 0);
+	}

-    return CheckableTestModel::data(index, role);
+	return CheckableTestModel::data(index, role);
 }

+void PluralModel::read(const ESGRAF48::PluralModel &model)
+{
+	auto &testItems = m_tests.at(0).items();
+
+	testItems[0].setState(model.fisch());
+	testItems[1].setState(model.banane());
+	testItems[2].setState(model.bonbon());
+	testItems[3].setState(model.ei());
+	testItems[4].setState(model.eimer());
+	testItems[5].setState(model.korn());
+	testItems[6].setState(model.nuss());
+	testItems[7].setState(model.baer());
+	testItems[8].setState(model.apfel());
+
+	emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+}
+
+void PluralModel::write(ESGRAF48::PluralModel &model) const
+{
+	const auto &testItems = m_tests.at(0).items();
+
+	model.set_fisch(testItems[0].isChecked());
+	model.set_banane(testItems[1].isChecked());
+	model.set_bonbon(testItems[2].isChecked());
+	model.set_ei(testItems[3].isChecked());
+	model.set_eimer(testItems[4].isChecked());
+	model.set_korn(testItems[5].isChecked());
+	model.set_nuss(testItems[6].isChecked());
+	model.set_baer(testItems[7].isChecked());
+	model.set_apfel(testItems[8].isChecked());
+}
--- a/source/SubTests/Plural/PluralModel.h
+++ b/source/SubTests/Plural/PluralModel.h
@ -1,6 +1,7 @@
 #pragma once

 #include "CheckableTestModel.h"
+#include "PluralModel.pb.h"

 class PluralModel : public CheckableTestModel
 {
@ -11,4 +12,7 @@ public:

    QVariant data(
        const QModelIndex &index, int role = Qt::DisplayRole) const override;
+
+	void read(const ESGRAF48::PluralModel &model);
+	void write(ESGRAF48::PluralModel &model) const;
 };
--- a/source/SubTests/V2Svk/CMakeLists.txt
+++ b/source/SubTests/V2Svk/CMakeLists.txt
@ -3,6 +3,7 @@ cmake_minimum_required(VERSION 3.6)
 project(V2Svk LANGUAGES CXX)

 find_package(Qt5Widgets REQUIRED)
+find_package(Protobuf REQUIRED)

 set(CMAKE_AUTOMOC ON)

@ -10,10 +11,18 @@ qt5_wrap_ui(UI_HEADERS
 	V2SvkWidget.ui
 )

+set(V2Svk_PROTO_FILES
+	../../../proto/V2SvkModel.proto
+)
+
+protobuf_generate_cpp(V2Svk_PROTO_SRCS V2Svk_PROTO_HDRS ${V2Svk_PROTO_FILES})
+
 add_library(${PROJECT_NAME}
 	V2SvkWidget.cpp
 	V2SvkModel.cpp
 	${UI_HEADERS}
+	${V2Svk_PROTO_SRCS}
+	${V2Svk_PROTO_HDRS}
 )

 set_target_properties(${PROJECT_NAME}
@ -25,6 +34,7 @@ target_include_directories(${PROJECT_NAME}
 		${CMAKE_CURRENT_SOURCE_DIR}
 	PRIVATE
 		${CMAKE_CURRENT_BINARY_DIR}
+		${Protobuf_INCLUDE_DIRS}
 )

 target_link_libraries(${PROJECT_NAME}
@ -33,4 +43,5 @@ target_link_libraries(${PROJECT_NAME}
 		CheckableTest
 		CheckableTestModel
 		Qt5::Widgets
+		${Protobuf_LIBRARIES}
 )
--- a/source/SubTests/V2Svk/V2SvkModel.cpp
+++ b/source/SubTests/V2Svk/V2SvkModel.cpp
@ -1,46 +1,39 @@
 #include "V2SvkModel.h"

 V2SvkModel::V2SvkModel(QObject *parent)
-	: CheckableTestModel(parent)
+    : CheckableTestModel(parent)
 {
-	m_tests = { 
-		{ "W-Frage", 
-			{ "Affe", "Affe", "Affe", "Affe", "Schwein", "Schwein", "Schwein", "Schwein", 
-				"Gans" , "Gans", "Gans", "Gans"} },
-		{ "Verbtrennung", 
-			{ "", "Affe", "", "", "", "", "", "Schwein", "" , "", "Gans", ""} },
-		{ "SVK: /-st/", 
-			{ "Affe", "Affe", "Affe", "Affe", "Schwein", "Schwein", "Schwein", "Schwein", 
-				"Gans" , "Gans", "Gans", "Gans"} },
+	m_tests = {
+	    {"W-Frage",
+	     {"Affe", "Affe", "Affe", "Affe", "Schwein", "Schwein", "Schwein", "Schwein", "Gans",
+	      "Gans", "Gans", "Gans"}},
+	    {"Verbtrennung", {"", "Affe", "", "", "", "", "", "Schwein", "", "", "Gans", ""}},
+	    {"SVK: /-st/",
+	     {"Affe", "Affe", "Affe", "Affe", "Schwein", "Schwein", "Schwein", "Schwein", "Gans",
+	      "Gans", "Gans", "Gans"}},

-		{ "Objekt-Topikalisierung", 
-			{ "Affe", "Affe", "Affe", "Affe", "Schwein", "Schwein", "Schwein", "Schwein", 
-				"Gans" , "Gans", "Gans", "Gans"} },
-		{ "SVK: Stamm", 
-			{ "Affe", "Affe", "Affe", "Affe", "Schwein", "Schwein", "Schwein", "Schwein", 
-				"Gans" , "Gans", "Gans", "Gans"} },
+	    {"Objekt-Topikalisierung",
+	     {"Affe", "Affe", "Affe", "Affe", "Schwein", "Schwein", "Schwein", "Schwein", "Gans",
+	      "Gans", "Gans", "Gans"}},
+	    {"SVK: Stamm",
+	     {"Affe", "Affe", "Affe", "Affe", "Schwein", "Schwein", "Schwein", "Schwein", "Gans",
+	      "Gans", "Gans", "Gans"}},

-		{ "Temporaladverb Präsens", 
-			{ "Affe", "Affe", "Schwein", "Schwein", "Gans", "Gans" } },
-		{ "SKV: /-e/ o. Stamm", 
-			{ "Affe", "Affe", "Schwein", "Schwein", "Gans", "Gans" } },
+	    {"Temporaladverb Präsens", {"Affe", "Affe", "Schwein", "Schwein", "Gans", "Gans"}},
+	    {"SKV: /-e/ o. Stamm", {"Affe", "Affe", "Schwein", "Schwein", "Gans", "Gans"}},

-		{ "Temporaladverb Perfekt", 
-			{ "Affe", "Affe", "Schwein", "Schwein", "Gans", "Gans" } },
-		{ "Verbtrennung", 
-			{ "Affe", "Affe", "Schwein", "Schwein", "Gans", "Gans" } },
-		{ "SVK: /-e/ o. Stamm", 
-			{ "Affe", "Affe", "Schwein", "Schwein", "Gans", "Gans" } },
-		{ "Partizip", 
-			{ "Affe", "Affe", "Schwein", "Schwein", "Gans", "Gans" } },
+	    {"Temporaladverb Perfekt", {"Affe", "Affe", "Schwein", "Schwein", "Gans", "Gans"}},
+	    {"Verbtrennung", {"Affe", "Affe", "Schwein", "Schwein", "Gans", "Gans"}},
+	    {"SVK: /-e/ o. Stamm", {"Affe", "Affe", "Schwein", "Schwein", "Gans", "Gans"}},
+	    {"Partizip", {"Affe", "Affe", "Schwein", "Schwein", "Gans", "Gans"}},
 	};
 }

 unsigned int V2SvkModel::getV2Points()
 {
-    unsigned int points = 0;
+	unsigned int points = 0;

-	for (auto testIndex : { 0, 1, 3, 5, 7, 8 })
+	for (auto testIndex : {0, 1, 3, 5, 7, 8})
 	{
 		const auto &test = m_tests.at(testIndex);

@ -58,9 +51,9 @@ unsigned int V2SvkModel::getV2Points()

 unsigned int V2SvkModel::getSvkPoints()
 {
-    unsigned int points = 0;
+	unsigned int points = 0;

-	for (auto testIndex : { 2, 4, 6, 9, 10 })
+	for (auto testIndex : {2, 4, 6, 9, 10})
 	{
 		const auto &test = m_tests.at(testIndex);

@ -75,3 +68,134 @@ unsigned int V2SvkModel::getSvkPoints()

 	return points;
 }
+
+bool V2SvkModel::isValidIndex(const QModelIndex &index) const
+{
+	switch (index.row())
+	{
+		case 1:
+			return index.column() == 1 || index.column() == 7 || index.column() == 10;
+		case 5:
+		case 6:
+		case 7:
+		case 8:
+		case 9:
+		case 10:
+			return index.column() < 6;
+		default:
+			return CheckableTestModel::isValidIndex(index);
+	}
+}
+
+void V2SvkModel::writeProtoBuf(ESGRAF48::V2SvkModel &model) const
+{
+	auto writeOneVal = [&](ESGRAF48::V2SvkModel::OneEach *modelData, int testIndex) {
+		if (modelData != nullptr)
+		{
+			const auto &testItems = m_tests.at(testIndex).items();
+
+			modelData->set_affe(testItems[1].isChecked());
+			modelData->set_schwein(testItems[7].isChecked());
+			modelData->set_gans(testItems[10].isChecked());
+		}
+	};
+
+	auto writeTwoVals = [&](ESGRAF48::V2SvkModel::TwoEach *modelData, int testIndex) {
+		if (modelData != nullptr)
+		{
+			const auto &testItems = m_tests.at(testIndex).items();
+
+			modelData->set_affe1(testItems[0].isChecked());
+			modelData->set_affe2(testItems[1].isChecked());
+			modelData->set_schwein1(testItems[2].isChecked());
+			modelData->set_schwein2(testItems[3].isChecked());
+			modelData->set_gans1(testItems[4].isChecked());
+			modelData->set_gans2(testItems[5].isChecked());
+		}
+	};
+
+	auto writeFourVals = [&](ESGRAF48::V2SvkModel::FourEach *modelData, int testIndex) {
+		if (modelData != nullptr)
+		{
+			const auto &testItems = m_tests.at(testIndex).items();
+
+			modelData->set_affe1(testItems[0].isChecked());
+			modelData->set_affe2(testItems[1].isChecked());
+			modelData->set_affe3(testItems[2].isChecked());
+			modelData->set_affe4(testItems[3].isChecked());
+			modelData->set_schwein1(testItems[4].isChecked());
+			modelData->set_schwein2(testItems[5].isChecked());
+			modelData->set_schwein3(testItems[6].isChecked());
+			modelData->set_schwein4(testItems[7].isChecked());
+			modelData->set_gans1(testItems[8].isChecked());
+			modelData->set_gans2(testItems[9].isChecked());
+			modelData->set_gans3(testItems[10].isChecked());
+			modelData->set_gans4(testItems[11].isChecked());
+		}
+	};
+
+	writeFourVals(model.mutable_wfrage(), 0);
+	writeOneVal(model.mutable_verbtrennung1(), 1);
+	writeFourVals(model.mutable_svkst(), 2);
+	writeFourVals(model.mutable_objtop(), 3);
+	writeFourVals(model.mutable_svkstamm(), 4);
+	writeTwoVals(model.mutable_temppraes(), 5);
+	writeTwoVals(model.mutable_svke1(), 6);
+	writeTwoVals(model.mutable_tempperf(), 7);
+	writeTwoVals(model.mutable_verbtrennung2(), 8);
+	writeTwoVals(model.mutable_svke2(), 9);
+	writeTwoVals(model.mutable_partizip(), 10);
+}
+
+void V2SvkModel::readProtoBuf(const ESGRAF48::V2SvkModel &model)
+{
+	auto readOneVal = [&](const ESGRAF48::V2SvkModel::OneEach &modelData, int testIndex) {
+		auto &testItems = m_tests.at(testIndex).items();
+
+		testItems[1].setState(modelData.affe());
+		testItems[7].setState(modelData.schwein());
+		testItems[10].setState(modelData.gans());
+	};
+
+	auto readTwoVals = [&](const ESGRAF48::V2SvkModel::TwoEach &modelData, int testIndex) {
+		auto &testItems = m_tests.at(testIndex).items();
+
+		testItems[0].setState(modelData.affe1());
+		testItems[1].setState(modelData.affe2());
+		testItems[2].setState(modelData.schwein1());
+		testItems[3].setState(modelData.schwein2());
+		testItems[4].setState(modelData.gans1());
+		testItems[5].setState(modelData.gans2());
+	};
+
+	auto readFourVals = [&](const ESGRAF48::V2SvkModel::FourEach &modelData, int testIndex) {
+		auto &testItems = m_tests.at(testIndex).items();
+
+		testItems[0].setState(modelData.affe1());
+		testItems[1].setState(modelData.affe2());
+		testItems[2].setState(modelData.affe3());
+		testItems[3].setState(modelData.affe4());
+		testItems[4].setState(modelData.schwein1());
+		testItems[5].setState(modelData.schwein2());
+		testItems[6].setState(modelData.schwein3());
+		testItems[7].setState(modelData.schwein4());
+		testItems[8].setState(modelData.gans1());
+		testItems[9].setState(modelData.gans2());
+		testItems[10].setState(modelData.gans3());
+		testItems[11].setState(modelData.gans4());
+	};
+
+	readFourVals(model.wfrage(), 0);
+	readOneVal(model.verbtrennung1(), 1);
+	readFourVals(model.svkst(), 2);
+	readFourVals(model.objtop(), 3);
+	readFourVals(model.svkstamm(), 4);
+	readTwoVals(model.temppraes(), 5);
+	readTwoVals(model.svke1(), 6);
+	readTwoVals(model.tempperf(), 7);
+	readTwoVals(model.verbtrennung2(), 8);
+	readTwoVals(model.svke2(), 9);
+	readTwoVals(model.partizip(), 10);
+
+	emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+}
--- a/source/SubTests/V2Svk/V2SvkModel.h
+++ b/source/SubTests/V2Svk/V2SvkModel.h
@ -1,6 +1,7 @@
 #pragma once

 #include "CheckableTestModel.h"
+#include "V2SvkModel.pb.h"

 class V2SvkModel : public CheckableTestModel
 {
@ -11,4 +12,10 @@ public:

 	unsigned int getV2Points();
 	unsigned int getSvkPoints();
+
+	void writeProtoBuf(ESGRAF48::V2SvkModel &model) const;
+	void readProtoBuf(const ESGRAF48::V2SvkModel &model);
+
+protected:
+	bool isValidIndex(const QModelIndex &index) const override;
 };
--- a/source/SubTests/VerbEnd/CMakeLists.txt
+++ b/source/SubTests/VerbEnd/CMakeLists.txt
@ -3,6 +3,7 @@ cmake_minimum_required(VERSION 3.6)
 project(VerbEnd LANGUAGES CXX)

 find_package(Qt5Widgets REQUIRED)
+find_package(Protobuf REQUIRED)

 set(CMAKE_AUTOMOC ON)

@ -10,10 +11,18 @@ qt5_wrap_ui(UI_HEADERS
 	VerbEndWidget.ui
 )

+set(VerbEnd_PROTO_FILES
+	../../../proto/VerbEndModel.proto
+)
+
+protobuf_generate_cpp(VerbEnd_PROTO_SRCS VerbEnd_PROTO_HDRS ${VerbEnd_PROTO_FILES})
+
 add_library(${PROJECT_NAME}
 	VerbEndWidget.cpp
 	VerbEndModel.cpp
 	${UI_HEADERS}
+	${VerbEnd_PROTO_SRCS}
+	${VerbEnd_PROTO_HDRS}
 )

 set_target_properties(${PROJECT_NAME}
@ -25,6 +34,7 @@ target_include_directories(${PROJECT_NAME}
 		${CMAKE_CURRENT_SOURCE_DIR}
 	PRIVATE
 		${CMAKE_CURRENT_BINARY_DIR}
+		${Protobuf_INCLUDE_DIRS}
 )

 target_link_libraries(${PROJECT_NAME}
@ -33,4 +43,5 @@ target_link_libraries(${PROJECT_NAME}
 		CheckableTest
 		CheckableTestModel
 		Qt5::Widgets
+		${Protobuf_LIBRARIES}
 )
--- a/source/SubTests/VerbEnd/VerbEndModel.cpp
+++ b/source/SubTests/VerbEnd/VerbEndModel.cpp
@ -11,3 +11,90 @@ VerbEndModel::VerbEndModel(QObject *parent)
 		{ "Zauberregel", { "Temporal", "Kausal", "Final", "Relativ",
 							 "Temporal", "Relativ" } } };
 }
+
+void VerbEndModel::writeProtoBuf(ESGRAF48::VerbEndModel &model) const
+{
+	auto *telefonatModel = model.mutable_telefonat();
+	if (telefonatModel != nullptr)
+	{
+		const auto &testItems = m_tests.at(0).items();
+
+		telefonatModel->set_kausal1(testItems[0].isChecked());
+		telefonatModel->set_kausal2(testItems[1].isChecked());
+		telefonatModel->set_relativ(testItems[2].isChecked());
+		telefonatModel->set_kausal3(testItems[3].isChecked());
+		telefonatModel->set_final(testItems[4].isChecked());
+		telefonatModel->set_temporal1(testItems[5].isChecked());
+		telefonatModel->set_temporal2(testItems[6].isChecked());
+	}
+
+	auto *zaubertrickModel = model.mutable_zaubertrick();
+	if (zaubertrickModel != nullptr)
+	{
+		const auto &testItems = m_tests.at(1).items();
+
+		zaubertrickModel->set_relativ(testItems[0].isChecked());
+		zaubertrickModel->set_final1(testItems[1].isChecked());
+		zaubertrickModel->set_kausal1(testItems[2].isChecked());
+		zaubertrickModel->set_final2(testItems[3].isChecked());
+		zaubertrickModel->set_temporal1(testItems[4].isChecked());
+		zaubertrickModel->set_kausal2(testItems[5].isChecked());
+		zaubertrickModel->set_temporal2(testItems[6].isChecked());
+	}
+
+	auto *zauberregelModel = model.mutable_zauberregel();
+	if (zauberregelModel != nullptr)
+	{
+		const auto &testItems = m_tests.at(2).items();
+
+		zauberregelModel->set_temporal1(testItems[0].isChecked());
+		zauberregelModel->set_kausal(testItems[1].isChecked());
+		zauberregelModel->set_final(testItems[2].isChecked());
+		zauberregelModel->set_relativ1(testItems[3].isChecked());
+		zauberregelModel->set_temporal2(testItems[4].isChecked());
+		zauberregelModel->set_relativ2(testItems[5].isChecked());
+	}
+}
+
+void VerbEndModel::readProtoBuf(const ESGRAF48::VerbEndModel &model)
+{
+	const auto &telefonatModel = model.telefonat();
+	{
+		auto &testItems = m_tests.at(0).items();
+
+		testItems[0].setState(telefonatModel.kausal1());
+		testItems[1].setState(telefonatModel.kausal2());
+		testItems[2].setState(telefonatModel.relativ());
+		testItems[3].setState(telefonatModel.kausal3());
+		testItems[4].setState(telefonatModel.final());
+		testItems[5].setState(telefonatModel.temporal1());
+		testItems[6].setState(telefonatModel.temporal2());
+	}
+
+	const auto &zaubertrickModel = model.zaubertrick();
+	{
+		auto &testItems = m_tests.at(1).items();
+
+		testItems[0].setState(zaubertrickModel.relativ());
+		testItems[1].setState(zaubertrickModel.final1());
+		testItems[2].setState(zaubertrickModel.kausal1());
+		testItems[3].setState(zaubertrickModel.final2());
+		testItems[4].setState(zaubertrickModel.temporal1());
+		testItems[5].setState(zaubertrickModel.kausal2());
+		testItems[6].setState(zaubertrickModel.temporal2());
+	}
+
+	const auto &zauberregelModel = model.zauberregel();
+	{
+		auto &testItems = m_tests.at(2).items();
+
+		testItems[0].setState(zauberregelModel.temporal1());
+		testItems[1].setState(zauberregelModel.kausal());
+		testItems[2].setState(zauberregelModel.final());
+		testItems[3].setState(zauberregelModel.relativ1());
+		testItems[4].setState(zauberregelModel.temporal2());
+		testItems[5].setState(zauberregelModel.relativ2());
+	}
+
+	emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+}
--- a/source/SubTests/VerbEnd/VerbEndModel.h
+++ b/source/SubTests/VerbEnd/VerbEndModel.h
@ -1,6 +1,7 @@
 #pragma once

 #include "CheckableTestModel.h"
+#include "VerbEndModel.pb.h"

 class VerbEndModel : public CheckableTestModel
 {
@ -8,4 +9,7 @@ class VerbEndModel : public CheckableTestModel

 public:
 	VerbEndModel(QObject *parent);
+
+	void writeProtoBuf(ESGRAF48::VerbEndModel &model) const;
+	void readProtoBuf(const ESGRAF48::VerbEndModel &model);
 };
--- a/source/mainwindow.cpp
+++ b/source/mainwindow.cpp
@ -16,6 +16,8 @@

 #include <QDebug>

+#include <fstream>
+
 MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
@ -72,17 +74,8 @@ void MainWindow::openFile()

 	closeFile();

-	QFile loadFile(filename);
-	if (!loadFile.open(QFile::ReadOnly))
-	{
-		qWarning("Could not open file");
-		return;
-	}
-
-	QByteArray byteData = loadFile.readAll();
-	QJsonDocument loadDoc = QJsonDocument::fromJson(byteData);
-
-	m_dataModel->read(loadDoc.object());
+	std::fstream protoInFile(filename.toStdString(), std::ios::in | std::ios::binary);
+	m_dataModel->readProtoBuf(protoInFile);

 	setWindowModified(false);
 	setWindowTitle(filename + "[*]");
@ -135,6 +128,9 @@ void MainWindow::closeFile()

 void MainWindow::print() const
 {
+	//std::ofstream htmlfile("print.html");
+	//htmlfile << m_dataModel->toHtml();
+
 	QPrinter printer;

 	QPrintDialog dialog(&printer);
@ -144,12 +140,7 @@ void MainWindow::print() const
 	}

 	QTextDocument printDoc;
-	printDoc.setHtml(
-	    "<html>"
-	    "<body>"
-	    "<h2>Hello World</h2>"
-	    "</body>"
-	    "</hthml>");
+	printDoc.setHtml(QString::fromStdString(m_dataModel->toHtml()));

 	printDoc.print(&printer);
 }
@ -167,15 +158,9 @@ void MainWindow::closeEvent(QCloseEvent *event)

 void MainWindow::saveFile(const QString &filename)
 {
-	QJsonObject saveData;
-	m_dataModel->write(saveData);
-
-	QJsonDocument saveDoc(saveData);
-
-	QFile saveFile(filename);
-	saveFile.open(QFile::WriteOnly);
-	saveFile.write(saveDoc.toJson());
-	saveFile.close();
+	std::fstream protoOutFile(filename.toStdString(),
+	                          std::ios::out | std::ios::trunc | std::ios::binary);
+	m_dataModel->writeProtoBuf(protoOutFile);

 	qDebug() << "Wrote" << filename;