diff --git a/sources/SearchAndReplace/searchandreplaceworker.cpp b/sources/SearchAndReplace/searchandreplaceworker.cpp
index 3254c047e..62c320663 100644
--- a/sources/SearchAndReplace/searchandreplaceworker.cpp
+++ b/sources/SearchAndReplace/searchandreplaceworker.cpp
@@ -24,6 +24,7 @@
 #include "independenttextitem.h"
 #include "diagramcommands.h"
 #include "QPropertyUndoCommand/qpropertyundocommand.h"
+#include "qetinformation.h"
 
 
 SearchAndReplaceWorker::SearchAndReplaceWorker()
@@ -126,7 +127,7 @@ void SearchAndReplaceWorker::replaceElement(QList<Element *> list)
 		{
 			DiagramContext old_context;
 			DiagramContext new_context =  old_context = elmt->elementInformations();
-			for (QString key : QETApp::elementInfoKeys())
+			for (QString key : QETInformation::elementInfoKeys())
 			{
 				new_context.addValue(key, applyChange(old_context.value(key).toString(),
 													  m_element_context.value(key).toString()));
diff --git a/sources/SearchAndReplace/ui/replaceadvanceddialog.cpp b/sources/SearchAndReplace/ui/replaceadvanceddialog.cpp
index 1174a7ae4..a1bf5337a 100644
--- a/sources/SearchAndReplace/ui/replaceadvanceddialog.cpp
+++ b/sources/SearchAndReplace/ui/replaceadvanceddialog.cpp
@@ -99,7 +99,7 @@ void replaceAdvancedDialog::fillWhatComboBox(int index)
 		}
 	}
 	else if (index == 1) {
-		for (QString str : QETApp::elementInfoKeys()) {
+		for (QString str : QETInformation::elementInfoKeys()) {
 			ui->m_what_cb->addItem(QETInformation::translatedInfoKey(str), str);
 		}
 	}
diff --git a/sources/SearchAndReplace/ui/replaceelementdialog.cpp b/sources/SearchAndReplace/ui/replaceelementdialog.cpp
index 2fdd7fbb7..eecd51de9 100644
--- a/sources/SearchAndReplace/ui/replaceelementdialog.cpp
+++ b/sources/SearchAndReplace/ui/replaceelementdialog.cpp
@@ -73,7 +73,7 @@ void ReplaceElementDialog::buildWidget()
 		this->done(ui->m_button_box->buttonRole(button_));
 	});
 	
-	for (QString str : QETApp::elementInfoKeys())
+	for (QString str : QETInformation::elementInfoKeys())
 	{
 		ElementInfoPartWidget *eipw = new ElementInfoPartWidget(str, QETInformation::translatedInfoKey(str), this);
 		eipw->setEraseTextVisible(true);
diff --git a/sources/SearchAndReplace/ui/searchandreplacewidget.cpp b/sources/SearchAndReplace/ui/searchandreplacewidget.cpp
index 0f8fe087c..8bb2c8abc 100644
--- a/sources/SearchAndReplace/ui/searchandreplacewidget.cpp
+++ b/sources/SearchAndReplace/ui/searchandreplacewidget.cpp
@@ -32,6 +32,7 @@
 #include "dynamicelementtextitem.h"
 #include "elementtextitemgroup.h"
 #include "QWidgetAnimation/qwidgetanimation.h"
+#include "qetinformation.h"
 
 #include <QSettings>
 
@@ -798,7 +799,7 @@ QStringList SearchAndReplaceWidget::searchTerms(Element *element)
 {
 	QStringList list;
 	DiagramContext context = element->elementInformations();
-	for (QString key : QETApp::elementInfoKeys())
+	for (QString key : QETInformation::elementInfoKeys())
 	{
 		QString str = context.value(key).toString();
 		if (!str.isEmpty()) {
diff --git a/sources/dataBase/projectdatabase.cpp b/sources/dataBase/projectdatabase.cpp
index e81a766f3..1cb6795d6 100644
--- a/sources/dataBase/projectdatabase.cpp
+++ b/sources/dataBase/projectdatabase.cpp
@@ -160,7 +160,7 @@ void projectDataBase::removeElement(Element *element)
 void projectDataBase::elementInfoChanged(Element *element)
 {
 	auto hash = elementInfoToString(element);
-	for (auto str : QETApp::elementInfoKeys()) {
+	for (auto str : QETInformation::elementInfoKeys()) {
 		m_update_element_query.bindValue(":" + str, hash.value(str));
 	}
 	m_update_element_query.bindValue(":uuid", element->uuid().toString());
@@ -286,7 +286,7 @@ bool projectDataBase::createDataBase()
 	//Create the element info table
 	QString element_info_table("CREATE TABLE element_info(element_uuid VARCHAR(50) PRIMARY KEY NOT NULL,");
 	first_=true;
-	for (auto string : QETApp::elementInfoKeys())
+	for (auto string : QETInformation::elementInfoKeys())
 	{
 		if (first_) {
 			first_ = false;
@@ -506,11 +506,11 @@ void projectDataBase::prepareQuery()
 
 		//INSERT ELEMENT INFO
 	QStringList bind_values;
-	for (auto key : QETApp::elementInfoKeys()) {
+	for (auto key : QETInformation::elementInfoKeys()) {
 		bind_values << key.prepend(":");
 	}
 	QString insert_element_info("INSERT INTO element_info (element_uuid," +
-				   QETApp::elementInfoKeys().join(", ") +
+				   QETInformation::elementInfoKeys().join(", ") +
 				   ") VALUES (:uuid," +
 				   bind_values.join(", ") +
 				   ")");
@@ -524,7 +524,7 @@ void projectDataBase::prepareQuery()
 
 		//UPDATE ELEMENT INFO
 	QString update_str("UPDATE element_info SET ");
-	for (auto string : QETApp::elementInfoKeys()) {
+	for (auto string : QETInformation::elementInfoKeys()) {
 		update_str.append(string + " = :" + string + ", ");
 	}
 	update_str.remove(update_str.length()-2, 2); //Remove the last ", "
@@ -541,7 +541,7 @@ void projectDataBase::prepareQuery()
 QHash<QString, QString> projectDataBase::elementInfoToString(Element *elmt)
 {
 	QHash<QString, QString> hash; //Store the value for each columns
-	for (auto key : QETApp::elementInfoKeys())
+	for (auto key : QETInformation::elementInfoKeys())
 	{
 		if (key == "label") {
 			hash.insert(key, elmt->actualLabel());
diff --git a/sources/dataBase/ui/elementquerywidget.cpp b/sources/dataBase/ui/elementquerywidget.cpp
index 3c008acef..6bfaf0cdd 100644
--- a/sources/dataBase/ui/elementquerywidget.cpp
+++ b/sources/dataBase/ui/elementquerywidget.cpp
@@ -445,7 +445,7 @@ QStringList ElementQueryWidget::selectedKeys() const
 */
 void ElementQueryWidget::setUpItems()
 {
-	for(QString key : QETApp::elementInfoKeys())
+	for(QString key : QETInformation::elementInfoKeys())
 	{
 		if (key == "formula")
 			continue;
diff --git a/sources/editor/ui/dynamictextfieldeditor.cpp b/sources/editor/ui/dynamictextfieldeditor.cpp
index efb4fd77e..dc1a53f16 100644
--- a/sources/editor/ui/dynamictextfieldeditor.cpp
+++ b/sources/editor/ui/dynamictextfieldeditor.cpp
@@ -209,7 +209,7 @@ void DynamicTextFieldEditor::fillInfoComboBox()
 		strl = QETInformation::folioReportInfoKeys();
 	}
 	else {
-		strl = QETApp::elementInfoKeys();
+		strl = QETInformation::elementInfoKeys();
 	}
 		//We use a QMap because the keys of the map are sorted, then no matter the curent local,
 		//the value of the combo box are always alphabetically sorted
diff --git a/sources/qetapp.cpp b/sources/qetapp.cpp
index a8446857e..3a67a33e9 100644
--- a/sources/qetapp.cpp
+++ b/sources/qetapp.cpp
@@ -386,47 +386,6 @@ ElementsCollectionCache *QETApp::collectionCache()
 	return(collections_cache_);
 }
 
-/**
-	@brief QETApp::elementInfoKeys
-	@return all available key for describe an element
-*/
-QStringList QETApp::elementInfoKeys()
-{
-	QStringList info_list;
-	info_list << "formula"
-			  << "label"
-			  << "plant"
-			  << "location"
-			  << "comment"
-			  << "function"
-			  << "auxiliary1"
-			  << "auxiliary2"
-			  << "description"
-			  << "designation"
-			  << "manufacturer"
-			  << "manufacturer_reference"
-			  << "machine_manufacturer_reference"
-			  << "supplier"
-			  << "quantity"
-			  << "unity";
-	return info_list;
-}
-
-/**
-	@brief QETApp::elementInfoToVar
-	@param info
-	@return var in form %{my-var} corresponding to the info,
-	if there is not available var for the given info
-	the returned var is %{void}
-	@see QETApp::elementInfoKeys for list
-*/
-QString QETApp::elementInfoToVar(const QString &info)
-{
-	if (elementInfoKeys().contains(info))
-		return QString("%{")+info+QString("}");
-	return (QString ("%{void}"));
-}
-
 /**
 	@brief QETApp::commonTitleBlockTemplatesCollection
 	@return the common title block templates collection,
diff --git a/sources/qetapp.h b/sources/qetapp.h
index e33841afc..8c37a81ba 100644
--- a/sources/qetapp.h
+++ b/sources/qetapp.h
@@ -73,8 +73,6 @@ class QETApp : public QObject
 		static void printLicense();
 		
 		static ElementsCollectionCache *collectionCache();
-		static QStringList elementInfoKeys();
-		static QString elementInfoToVar(const QString &info);
 		
 		static TitleBlockTemplatesFilesCollection *commonTitleBlockTemplatesCollection();
 		static TitleBlockTemplatesFilesCollection *customTitleBlockTemplatesCollection();
diff --git a/sources/qetinformation.cpp b/sources/qetinformation.cpp
index 0addfc051..f010e11c6 100644
--- a/sources/qetinformation.cpp
+++ b/sources/qetinformation.cpp
@@ -21,44 +21,44 @@
 #include "qetinformation.h"
 
 /** Default information related to element **/
-static QString ELMT_LABEL     = "label";
-static QString ELMT_LABEL_VAR = "%{label}";
+static QString ELMT_LABEL                        = "label";
+static QString ELMT_FORMULA                      = "formula";
+static QString ELMT_COMMENT                      = "comment";
+static QString ELMT_FUNCTION                     = "function";
+static QString ELMT_AUX1                         = "auxiliary1";
+static QString ELMT_AUX2                         = "auxiliary2";
+static QString ELMT_DESCRIPTION                  = "description";
+static QString ELMT_DESIGNATION                  = "designation";
+static QString ELMT_MANUFACTURER                 = "manufacturer";
+static QString ELMT_MANUFACTURER_REF             = "manufacturer_reference";
+static QString ELMT_MACHINE_MANUFACTURER_REF     = "machine_manufacturer_reference";
+static QString ELMT_SUPPLIER                     = "supplier";
+static QString ELMT_QUANTITY                     = "quantity";
+static QString ELMT_UNITY                        = "unity";
+static QString ELMT_PLANT                        = "plant";
+static QString ELMT_LOCATION                     = "location";
+
+//Voir la suite dans QETApp::elementInfoKeys()
 
 /** Default information related to conductor **/
 static QString COND_FUNCTION             = "function";
-static QString COND_FUNCTION_VAR         = "%{function}";
 static QString COND_TENSION_PROTOCOL     = "tension/protocol";
-static QString COND_TENSION_PROTOCOL_var = "%{tension/protocol}";
 static QString COND_COLOR                = "conductor_color";
-static QString COND_COLOR_VAR            = "%{conductor_color}";
 static QString COND_SECTION              = "conductor_section";
-static QString COND_SECTION_var          = "%{conductor_section}";
 static QString COND_FORMULA              = "formula";
-static QString COND_FORMULA_VAR          = "%{formula}";
 static QString COND_TEXT                 = "text";
-static QString COND_TEXT_VAR             = "%{text}";
 
 /** Default information related to diagram **/
 static QString DIA_AUTHOR            = "author";
-static QString DIA_AUTHOR_VAR        = "%{author}";
 static QString DIA_DATE              = "date";
-static QString DIA_DATE_VAR          = "%{date}";
 static QString DIA_DISPLAY_FOLIO     = "display_folio";
-static QString DIA_DISPLAY_FOLIO_VAR = "%{display_folio}";
 static QString DIA_FILENAME          = "filename";
-static QString DIA_FILENAME_VAR      = "%{filename}";
 static QString DIA_FOLIO             = "folio";
-static QString DIA_FOLIO_VAR         = "%{folio}";
 static QString DIA_INDEX_REV         = "indexrev";
-static QString DIA_INDEX_REV_VAR     = "%{indexrev}";
 static QString DIA_LOCMACH           = "locmach";
-static QString DIA_LOCMACH_VAR       = "%{locmach}";
 static QString DIA_PLANT             = "plant";
-static QString DIA_PLANT_VAR         = "%{plant}";
 static QString DIA_POS               = "pos";
-static QString DIA_POS_VAR           = "%{pos}";
 static QString DIA_TITLE             = "title";
-static QString DIA_TITLE_VAR         = "%{title}";
 
 /**
 	@brief QETInformation::titleblockInfoKeys
@@ -101,29 +101,10 @@ QStringList QETInformation::titleblockInfoKeys()
 */
 QString QETInformation::titleblockInfoKeysToVar(const QString &info)
 {
-	if      (info == DIA_AUTHOR)           return DIA_AUTHOR_VAR;
-	else if (info == DIA_DATE)             return DIA_DATE_VAR;
-	else if (info == DIA_TITLE)            return DIA_TITLE_VAR;
-	else if (info == DIA_FILENAME)         return DIA_FILENAME_VAR;
-	else if (info == DIA_PLANT)            return DIA_PLANT_VAR;
-	else if (info == DIA_LOCMACH)          return DIA_LOCMACH_VAR;
-	else if (info == DIA_INDEX_REV)        return DIA_INDEX_REV_VAR;
-	else if (info == "version")            return QString("%{version}");
-	else if (info == DIA_FOLIO)            return DIA_FOLIO_VAR;
-	else if (info == "folio-id")           return QString("%{folio-id}");
-	else if (info == "folio-total")        return QString("%{folio-total}");
-	else if (info == "previous-folio-num") return QString("%{previous-folio-num}");
-	else if (info == "next-folio-num")     return QString("%{next-folio-num}");
-	else if (info == "projecttitle")       return QString("%{projecttitle}");
-	else if (info == "projectpath")        return QString("%{projectpath}");
-	else if (info == "projectfilename")    return QString("%{projectfilename}");
-	else if (info == "saveddate")          return QString("%{saveddate}");
-	else if (info == "saveddate-eu")       return QString("%{saveddate-eu}");
-	else if (info == "saveddate-us")       return QString("%{saveddate-us}");
-	else if (info == "savedtime")          return QString("%{savedtime}");
-	else if (info == "savedfilename")      return QString("%{savedfilename}");
-	else if (info == "savedfilepath")      return QString("%{savedfilepath}");
-	else return QString("%{void}");
+	if (titleblockInfoKeys().contains(info))
+		return infoToVar(info);
+	else
+		return QString("%{void}");
 }
 
 /**
@@ -157,11 +138,11 @@ QStringList QETInformation::folioReportInfoKeys()
 QHash<QString, QString> QETInformation::folioReportInfoKeyToVar()
 {
 	QHash <QString, QString> H_;
-	H_.insert(ELMT_LABEL, ELMT_LABEL_VAR);
-	H_.insert(COND_FUNCTION, COND_FUNCTION_VAR);
-	H_.insert(COND_TENSION_PROTOCOL, COND_TENSION_PROTOCOL_var);
-	H_.insert(COND_COLOR, COND_COLOR_VAR);
-	H_.insert(COND_SECTION, COND_SECTION_var);
+	H_.insert(ELMT_LABEL,            infoToVar(ELMT_LABEL));
+	H_.insert(COND_FUNCTION,         infoToVar(COND_FUNCTION));
+	H_.insert(COND_TENSION_PROTOCOL, infoToVar(COND_TENSION_PROTOCOL));
+	H_.insert(COND_COLOR,            infoToVar(COND_COLOR));
+	H_.insert(COND_SECTION,          infoToVar(COND_SECTION));
 
 	return H_;
 }
@@ -192,6 +173,52 @@ QStringList QETInformation::diagramInfoKeys()
 	return list;
 }
 
+QStringList QETInformation::elementInfoKeys()
+{
+	QStringList list = { ELMT_FORMULA,
+						 ELMT_LABEL,
+						 ELMT_PLANT,
+						 ELMT_LOCATION,
+						 ELMT_COMMENT,
+						 ELMT_FUNCTION,
+						 ELMT_AUX1,
+						 ELMT_AUX2,
+						 ELMT_DESCRIPTION,
+						 ELMT_DESIGNATION,
+						 ELMT_MANUFACTURER,
+						 ELMT_MANUFACTURER_REF,
+						 ELMT_MACHINE_MANUFACTURER_REF,
+						 ELMT_SUPPLIER,
+						 ELMT_QUANTITY,
+						 ELMT_UNITY};
+	return list;
+}
+
+/**
+ * @brief QETInformation::elementInfoToVar
+ * @param info
+ * @return The info to a variable or %{void} if @info
+ * is not an element information
+ */
+QString QETInformation::elementInfoToVar(const QString &info)
+{
+	if (QETInformation::elementInfoKeys().contains(info))
+		return infoToVar(info);
+	else
+		return (QString ("%{void}"));
+}
+
+/**
+ * @brief QETInformation::infoToVar
+ * @param info
+ * @return return the string @info prepended by %{ ans appended by }
+ * exemple : if info is label, the returned string is %{label}
+ */
+QString QETInformation::infoToVar(const QString &info)
+{
+	return QString("%{")+info+QString("}");
+}
+
 /**
  * @brief QETInformation::translatedInfoKey
  * @param info
@@ -224,20 +251,20 @@ QString QETInformation::translatedInfoKey(const QString &info)
 	else if (info == "savedtime")                      return QObject::tr("Heure d'enregistrement du fichier");
 	else if (info == "savedfilename")                  return QObject::tr("Nom du fichier enregistré");
 	else if (info == "savedfilepath")                  return QObject::tr("Chemin du fichier enregistré");
-	else if (info == "formula")                        return QObject::tr("Formule du label");
+	else if (info == ELMT_LABEL)                       return QObject::tr("Formule du label");
 	else if (info == ELMT_LABEL)                       return QObject::tr("Label");
-	else if (info == "comment")                        return QObject::tr("Commentaire");
-	else if (info == "function")                       return QObject::tr("Fonction");
-	else if (info == "auxiliary1")                     return QObject::tr("Bloc auxiliaire 1");
-	else if (info == "auxiliary2")                     return QObject::tr("Bloc auxiliaire 2");
-	else if (info == "description")                    return QObject::tr("Description textuelle");
-	else if (info == "designation")                    return QObject::tr("Numéro d'article");
-	else if (info == "manufacturer")                   return QObject::tr("Fabricant");
-	else if (info == "manufacturer_reference")         return QObject::tr("Numéro de commande");
-	else if (info == "machine_manufacturer_reference") return QObject::tr("Numéro interne");
-	else if (info == "supplier")                       return QObject::tr("Fournisseur");
-	else if (info == "quantity")                       return QObject::tr("Quantité");
-	else if (info == "unity")                          return QObject::tr("Unité");
+	else if (info == ELMT_COMMENT)                     return QObject::tr("Commentaire");
+	else if (info == ELMT_FUNCTION)                    return QObject::tr("Fonction");
+	else if (info == ELMT_AUX1)                        return QObject::tr("Bloc auxiliaire 1");
+	else if (info == ELMT_AUX2)                        return QObject::tr("Bloc auxiliaire 2");
+	else if (info == ELMT_DESCRIPTION)                 return QObject::tr("Description textuelle");
+	else if (info == ELMT_DESIGNATION)                 return QObject::tr("Numéro d'article");
+	else if (info == ELMT_MANUFACTURER)                return QObject::tr("Fabricant");
+	else if (info == ELMT_MANUFACTURER_REF)            return QObject::tr("Numéro de commande");
+	else if (info == ELMT_MACHINE_MANUFACTURER_REF)    return QObject::tr("Numéro interne");
+	else if (info == ELMT_SUPPLIER)                    return QObject::tr("Fournisseur");
+	else if (info == ELMT_QUANTITY)                    return QObject::tr("Quantité");
+	else if (info == ELMT_UNITY)                       return QObject::tr("Unité");
 	else if (info == COND_FUNCTION)                    return QObject::tr("Fonction");
 	else if (info == COND_TENSION_PROTOCOL)            return QObject::tr("Tension / Protocole");
 	else if (info == COND_COLOR)                       return QObject::tr("Couleur du fil");
diff --git a/sources/qetinformation.h b/sources/qetinformation.h
index b7ddb9d05..1f369272d 100644
--- a/sources/qetinformation.h
+++ b/sources/qetinformation.h
@@ -1,4 +1,4 @@
-/*
+/*
 	Copyright 2006-2020 The QElectroTech Team
 	This file is part of QElectroTech.
 
@@ -35,11 +35,17 @@ namespace QETInformation
 	QStringList titleblockInfoKeys();
 	QString titleblockInfoKeysToVar(const QString &info);
 	QHash <QString, QString> titleblockTranslatedKeyHashVar();
+
 	QStringList folioReportInfoKeys();
 	QHash <QString, QString> folioReportInfoKeyToVar();
+
 	QStringList conductorInfoKeys();
 	QStringList diagramInfoKeys();
 
+	QStringList elementInfoKeys();
+	QString elementInfoToVar(const QString &info);
+
+	QString infoToVar(const QString &info);
 	QString translatedInfoKey(const QString &info);
 }
 
diff --git a/sources/ui/compositetexteditdialog.cpp b/sources/ui/compositetexteditdialog.cpp
index d898b0f63..e665b2099 100644
--- a/sources/ui/compositetexteditdialog.cpp
+++ b/sources/ui/compositetexteditdialog.cpp
@@ -59,7 +59,7 @@ void CompositeTextEditDialog::setUpComboBox()
 	}
 	else
 	{
-		qstrl = QETApp::elementInfoKeys();
+		qstrl = QETInformation::elementInfoKeys();
 		qstrl.removeAll("formula");
 	}
 	
@@ -67,7 +67,7 @@ void CompositeTextEditDialog::setUpComboBox()
 		//the value of the combo box are always alphabetically sorted
 	QMap <QString, QString> info_map;
 	for(const QString& str : qstrl) {
-		info_map.insert(QETInformation::translatedInfoKey(str), QETApp::elementInfoToVar(str));
+		info_map.insert(QETInformation::translatedInfoKey(str), QETInformation::elementInfoToVar(str));
 	}
 	for(const QString& key : info_map.keys()) {
 		ui->m_info_cb->addItem(key, info_map.value(key));
diff --git a/sources/ui/dynamicelementtextmodel.cpp b/sources/ui/dynamicelementtextmodel.cpp
index 67e92d50a..e888605ed 100644
--- a/sources/ui/dynamicelementtextmodel.cpp
+++ b/sources/ui/dynamicelementtextmodel.cpp
@@ -1912,7 +1912,7 @@ QStringList DynamicTextItemDelegate::availableInfo(
 			return qstrl;
 		
 		
-		QStringList info_list = QETApp::elementInfoKeys();
+		QStringList info_list = QETInformation::elementInfoKeys();
 		info_list.removeAll("formula"); //No need to have formula
 		DiagramContext dc = elmt->elementInformations();
 		
diff --git a/sources/ui/elementinfowidget.cpp b/sources/ui/elementinfowidget.cpp
index 75b04e28a..96f3fc785 100644
--- a/sources/ui/elementinfowidget.cpp
+++ b/sources/ui/elementinfowidget.cpp
@@ -178,7 +178,7 @@ void ElementInfoWidget::disableLiveEdit()
 */
 void ElementInfoWidget::buildInterface()
 {
-	for (auto str : QETApp::elementInfoKeys())
+	for (auto str : QETInformation::elementInfoKeys())
 	{
 		ElementInfoPartWidget *eipw = new ElementInfoPartWidget(str, QETInformation::translatedInfoKey(str), this);
 		ui->scroll_vlayout->addWidget(eipw);