diff --git a/qelectrotech.pro b/qelectrotech.pro
index 250751189..78c51d530 100644
--- a/qelectrotech.pro
+++ b/qelectrotech.pro
@@ -102,7 +102,8 @@ INCLUDEPATH += sources \
                sources/NameList/ui \
                sources/utils \
                sources/pugixml \
-               sources/dataBase
+               sources/dataBase \
+               sources/dataBase/ui
 
 
 # Fichiers sources
@@ -132,7 +133,8 @@ HEADERS += $$files(sources/*.h) $$files(sources/ui/*.h) \
            $$files(sources/NameList/ui/*.h) \
            $$files(sources/utils/*.h) \
            $$files(sources/pugixml/*.hpp) \
-           $$files(sources/dataBase/*.h)
+           $$files(sources/dataBase/*.h) \
+           $$files(sources/dataBase/ui/*.h)
 
 SOURCES += $$files(sources/*.cpp) \
            $$files(sources/editor/*.cpp) \
@@ -161,7 +163,8 @@ SOURCES += $$files(sources/*.cpp) \
            $$files(sources/NameList/ui/*.cpp) \
            $$files(sources/utils/*.cpp) \
            $$files(sources/pugixml/*.cpp) \
-           $$files(sources/dataBase/*.cpp)
+           $$files(sources/dataBase/*.cpp) \
+           $$files(sources/dataBase/ui/*.cpp)
     
 # Liste des fichiers qui seront incorpores au binaire en tant que ressources Qt
 RESOURCES += qelectrotech.qrc
@@ -184,7 +187,8 @@ FORMS += $$files(sources/richtext/*.ui) \
          $$files(sources/ui/configpage/*.ui) \
          $$files(sources/SearchAndReplace/ui/*.ui) \
          $$files(sources/NameList/ui/*.ui) \
-         $$files(sources/qetgraphicsitem/ViewItem/ui/*.ui)
+         $$files(sources/qetgraphicsitem/ViewItem/ui/*.ui) \
+         $$files(sources/dataBase/ui/*.ui)
 
 UI_SOURCES_DIR = sources/ui/
 UI_HEADERS_DIR = sources/ui/
diff --git a/sources/dataBase/projectdatabase.cpp b/sources/dataBase/projectdatabase.cpp
index ed0e218e8..76732cd9a 100644
--- a/sources/dataBase/projectdatabase.cpp
+++ b/sources/dataBase/projectdatabase.cpp
@@ -1,4 +1,4 @@
-/*
+/*
 		Copyright 2006-2020 QElectroTech Team
 		This file is part of QElectroTech.
 
@@ -20,6 +20,8 @@
 #include "qetproject.h"
 #include "elementprovider.h"
 #include "element.h"
+#include "diagram.h"
+#include "diagramposition.h"
 
 #include <QSqlError>
 
@@ -36,6 +38,13 @@ projectDataBase::projectDataBase(QETProject *project, QObject *parent) :
 	createDataBase();
 }
 
+projectDataBase::projectDataBase(QETProject *project, const QString &connection_name, const QString &path, QObject *parent) :
+	QObject(parent),
+	m_project(project)
+{
+	createDataBase(connection_name, path);
+}
+
 /**
  * @brief projectDataBase::~projectDataBase
  * Destructor
@@ -75,6 +84,39 @@ QVector<QStringList> projectDataBase::elementsInfoFromQuery(const QString &query
 	return result_;
 }
 
+/**
+ * @brief projectDataBase::headersFromElementsInfoQuery
+ * @param query
+ * @return the header according to @query.
+ * Header can be false, notably when user create is own query.
+ */
+QStringList projectDataBase::headersFromElementsInfoQuery(const QString &query)
+{
+	QStringList header_string;
+	if (query.startsWith("SELECT ") && query.contains("FROM"))
+	{
+		auto header = query;
+		header.remove(0, 7); //Remove SELECT from the string;
+		header.truncate(header.indexOf("FROM")); //Now we only have the string between SELECT and FROM
+		header.replace(" ", ""); //remove white space
+		QStringList list = header.split(",");
+
+		if (!list.isEmpty())
+		{
+			for (int i=0 ; i<list.size() ; i++)
+			{
+				if (list.at(i) == "pos") {
+					header_string.append(tr("Position"));
+				} else {
+					header_string.append(QETApp::elementTranslatedInfoKey(list.at(i)));
+				}
+			}
+		}
+	}
+
+	return header_string;
+}
+
 /**
  * @brief projectDataBase::updateDB
  * Up to date the content of the data base.
@@ -89,20 +131,33 @@ void projectDataBase::updateDB()
 	emit dataBaseUpdated();
 }
 
+/**
+ * @brief projectDataBase::project
+ * @return the project of this  database
+ */
+QETProject *projectDataBase::project() const {
+	return m_project;
+}
+
 /**
  * @brief projectDataBase::createDataBase
  * Create the data base
  * @return : true if the data base was successfully created.
  */
-bool projectDataBase::createDataBase()
+bool projectDataBase::createDataBase(const QString &connection_name, const QString &name)
 {
-	QString connect_name("qet_project_db_" + m_project->uuid().toString());
+
+	QString connect_name=connection_name;
+	if (connect_name.isEmpty()) {
+		connect_name = "qet_project_db_" + m_project->uuid().toString();
+	}
 	if (m_data_base.connectionNames().contains(connect_name)) {
 		m_data_base = QSqlDatabase::database(connect_name);
 	}
 	else
 	{
 		m_data_base = QSqlDatabase::addDatabase("QSQLITE", connect_name);
+		m_data_base.setDatabaseName(name);
 		if(!m_data_base.open())
 		{
 			m_data_base.close();
@@ -177,6 +232,7 @@ void projectDataBase::populateElementsTable()
 
 			query.bindValue(":element_type", elmt->linkTypeToString());
 			query.bindValue(":element_subtype", elmt->kindInformations()["type"].toString());
+			query.bindValue(":pos", elmt->diagram()->convertPosition(elmt->scenePos()).toString());
 
 			if (!query.exec()) {
 				qDebug() << "projectDataBase::populateElementsTable insert error : " << query.lastError();
@@ -210,10 +266,47 @@ QHash<QString, QString> projectDataBase::elementInfoToString(Element *elmt)
  * @brief projectDataBase::elementsInfoKeys
  * @return QETApp::elementInfoKeys() + "element_type" and "element_subtype"
  */
-QStringList projectDataBase::elementsInfoKeys() const
+QStringList projectDataBase::elementsInfoKeys()
 {
 	auto keys_ = QETApp::elementInfoKeys();
-	keys_<< "element_type" << "element_subtype";
+	keys_<< "element_type" << "subtype" << "pos";
 
 	return keys_;
 }
+
+/**
+ * @brief projectDataBase::exportDb
+ * @param parent
+ * @param caption
+ * @param dir
+ * @param filter
+ * @param selectedFilter
+ * @param options
+ */
+void projectDataBase::exportDb(projectDataBase *db, QWidget *parent, const QString &caption, const QString &dir)
+{
+	auto caption_ = caption;
+	if (caption_.isEmpty()) {
+		caption_ = tr("Exporter la base de données interne du projet");
+	}
+
+	auto dir_ = dir;
+	if(dir_.isEmpty()) {
+		dir_ = db->project()->filePath();
+		if (dir_.isEmpty()) {
+			dir_ = QStandardPaths::standardLocations(QStandardPaths::DocumentsLocation).first();
+			dir_ += QString("/") += tr("sans_nom") += ".sqlite";
+		} else {
+			dir_.remove(".qet");
+			dir_.append(".sqlite");
+		}
+	}
+
+	auto path_ = QFileDialog::getSaveFileName(parent, caption_, dir_, "*.sqlite");
+	if (path_.isNull()) {
+		return;
+	}
+
+		//Database is filled at creation, work is done.
+	projectDataBase file_db(db->project(), "export_project_db_" + db->project()->uuid().toString(), path_);
+}
diff --git a/sources/dataBase/projectdatabase.h b/sources/dataBase/projectdatabase.h
index 0b89a202a..44da85046 100644
--- a/sources/dataBase/projectdatabase.h
+++ b/sources/dataBase/projectdatabase.h
@@ -1,4 +1,4 @@
-/*
+/*
 		Copyright 2006-2020 QElectroTech Team
 		This file is part of QElectroTech.
 
@@ -22,6 +22,7 @@
 #include <QSqlDatabase>
 #include <QSqlQuery>
 #include <QPointer>
+#include <QFileDialog>
 
 class Element;
 class QETProject;
@@ -39,24 +40,33 @@ class projectDataBase : public QObject
 
 	public:
 		projectDataBase(QETProject *project, QObject *parent = nullptr);
+	private:
+		projectDataBase(QETProject *project, const QString &connection_name, const QString &path, QObject *parent = nullptr);
+	public:
 		virtual ~projectDataBase() override;
 
 		QVector<QStringList> elementsInfoFromQuery(const QString &query);
 		void updateDB();
+		QETProject *project() const;
+
+		static QStringList elementsInfoKeys();
+		static QStringList headersFromElementsInfoQuery(const QString &query);
 
 	signals:
 		void dataBaseUpdated();
 
 	private:
-		bool createDataBase();
+		bool createDataBase(const QString &connection_name= QString(), const QString &name = QString());
 		void populateElementsTable();
 		static QHash<QString, QString> elementInfoToString(Element *elmt);
-		QStringList elementsInfoKeys() const;
 
 	private:
 		QPointer<QETProject> m_project;
 		QSqlDatabase m_data_base;
 		QSqlQuery m_insert_elements_query;
+
+	public:
+		static void exportDb(projectDataBase *db, QWidget *parent = nullptr, const QString &caption = QString(), const QString &dir = QString());
 };
 
 #endif // PROJECTDATABASE_H
diff --git a/sources/dataBase/ui/elementquerywidget.cpp b/sources/dataBase/ui/elementquerywidget.cpp
new file mode 100644
index 000000000..236987b13
--- /dev/null
+++ b/sources/dataBase/ui/elementquerywidget.cpp
@@ -0,0 +1,274 @@
+/*
+   Copyright 2006-2020 The QElectroTech Team
+   This file is part of QElectroTech.
+
+   QElectroTech is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 2 of the License, or
+   (at your option) any later version.
+
+   QElectroTech is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "elementquerywidget.h"
+#include "ui_elementquerywidget.h"
+#include "qetapp.h"
+
+/**
+ * @brief ElementQueryWidget::ElementQueryWidget
+ * @param parent
+ */
+ElementQueryWidget::ElementQueryWidget(QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::ElementQueryWidget)
+{
+    ui->setupUi(this);
+
+	m_export_info.insert("pos", tr("Position"));
+//	m_export_info.insert("folio_title", tr("Titre du folio"));
+//	m_export_info.insert("folio_pos", tr("Position de folio"));
+//	m_export_info.insert("folio_num", tr("Numéro de folio"));
+//	m_export_info.insert("designation_qty", tr("Quantité (Numéro d'article)"));
+
+	m_button_group.setExclusive(false);
+	m_button_group.addButton(ui->m_all_cb, 0);
+	m_button_group.addButton(ui->m_terminal_cb, 1);
+	m_button_group.addButton(ui->m_simple_cb, 2);
+	m_button_group.addButton(ui->m_button_cb, 3);
+	m_button_group.addButton(ui->m_coil_cb, 4);
+	m_button_group.addButton(ui->m_protection_cb, 5);
+	connect(&m_button_group, static_cast<void (QButtonGroup::*)(int)>(&QButtonGroup::buttonClicked), [this](int id)
+	{
+		auto check_box = static_cast<QCheckBox *>(m_button_group.button(0));
+		if (id == 0)
+		{
+			switch (check_box->checkState()) {
+				case Qt::Checked :
+					for (auto button : m_button_group.buttons()) {
+						button->setChecked(true);
+					}
+					break;
+				case Qt::Unchecked :
+					for (auto button : m_button_group.buttons()) {
+						button->setChecked(false);
+					}
+					break;
+				default: break;
+			}
+		}
+		else
+		{
+			int checked = 0;
+			for (int i=1 ; i<5 ; ++i) {
+				if (m_button_group.button(i)->isChecked()) {++checked;}
+			}
+
+			switch (checked)
+			{
+				case 0 :
+					check_box->setCheckState(Qt::Unchecked);
+					break;
+				case 5:
+					check_box->setCheckState(Qt::Checked);
+					break;
+				default:
+					check_box->setCheckState(Qt::PartiallyChecked);
+					break;
+			}
+		}
+
+		updateQueryLine();
+	});
+
+	setUpItems();
+}
+
+/**
+ * @brief ElementQueryWidget::~ElementQueryWidget
+ */
+ElementQueryWidget::~ElementQueryWidget() {
+	delete ui;
+}
+
+/**
+ * @brief ElementQueryWidget::queryStr
+ * @return The current query
+ */
+QString ElementQueryWidget::queryStr() const
+{
+		//User define is own query
+	if (ui->m_edit_sql_query_cb->isChecked()) {
+		return ui->m_sql_query->text();
+	}
+		//Made a string list with the colomns (keys) choosen by the user
+	QStringList keys = selectedKeys();
+
+	QString select ="SELECT ";
+	QString order_by = " ORDER BY ";
+
+	QString column;
+	bool first = true;
+	for (auto key: keys) {
+		if (first) {
+			first = false;
+		} else {
+			column += ", ";
+			order_by += ", ";
+		}
+		column += key;
+		order_by += key;
+	}
+
+	QString from = " FROM element_info";
+	QString where;
+	if (ui->m_all_cb->checkState() == Qt::PartiallyChecked)
+	{
+		if (ui->m_terminal_cb->isChecked()) {
+			where = " WHERE element_type = 'Terminale'";
+		}
+		if (ui->m_simple_cb->isChecked()) {
+			auto str = where.isEmpty() ? " WHERE element_type = 'Simple'" : " AND element_type = 'Simple'";
+			where += str;
+		}
+		if (ui->m_button_cb->isChecked()) {
+			auto str = where.isEmpty() ? " WHERE element_subtype = 'commutator'" : " AND element_subtype = 'commutator'";
+			where += str;
+		}
+		if (ui->m_coil_cb->isChecked()) {
+			auto str = where.isEmpty() ? " WHERE element_subtype = 'coil'" : " AND element_subtype = 'coil'";
+			where += str;
+		}
+		if (ui->m_protection_cb->isChecked()) {
+			auto str = where.isEmpty() ? " WHERE element_subtype = 'protection'" : " AND element_subtype = 'protection'";
+			where += str;
+		}
+	}
+
+	QString q(select + column + from + where + order_by);
+	return q;
+}
+
+/**
+ * @brief ElementQueryWidget::updateQueryLine
+ */
+void ElementQueryWidget::updateQueryLine() {
+	ui->m_sql_query->setText(queryStr());
+}
+
+/**
+ * @brief ElementQueryWidget::selectedKeys
+ * @return the current keys of selected infos to be exported
+ */
+QStringList ElementQueryWidget::selectedKeys() const
+{
+		//Made a string list with the colomns (keys) choosen by the user
+	QStringList keys;
+	int row = 0;
+	while (auto *item = ui->m_choosen_list->item(row))
+	{
+		keys.append(item->data(Qt::UserRole).toString());
+		++row;
+	}
+
+	return keys;
+}
+
+void ElementQueryWidget::setUpItems()
+{
+	for(QString key : QETApp::elementInfoKeys())
+	{
+		auto item = new QListWidgetItem(QETApp::elementTranslatedInfoKey(key), ui->m_var_list);
+		item->setData(Qt::UserRole, key);
+		m_items_list << item;
+	}
+
+	for (auto key : m_export_info.keys())
+	{
+		auto item = new QListWidgetItem(m_export_info.value(key), ui->m_var_list);
+		item->setData(Qt::UserRole, key);
+		m_items_list << item;
+	}
+}
+
+/**
+ * @brief ElementQueryWidget::on_m_up_pb_clicked
+ */
+void ElementQueryWidget::on_m_up_pb_clicked()
+{
+	auto row = ui->m_choosen_list->currentRow();
+	if(row <= 0) {
+		return;
+	}
+
+	auto *item = ui->m_choosen_list->takeItem(row);
+	ui->m_choosen_list->insertItem(row-1, item);
+	ui->m_choosen_list->setCurrentItem(item);
+
+	updateQueryLine();
+}
+
+/**
+ * @brief ElementQueryWidget::on_m_add_pb_clicked
+ */
+void ElementQueryWidget::on_m_add_pb_clicked()
+{
+	if (auto *item = ui->m_var_list->takeItem(ui->m_var_list->currentRow())) {
+		ui->m_choosen_list->addItem(item);
+	}
+
+	updateQueryLine();
+}
+
+/**
+ * @brief ElementQueryWidget::on_m_remove_pb_clicked
+ */
+void ElementQueryWidget::on_m_remove_pb_clicked()
+{
+	if (auto *item = ui->m_choosen_list->takeItem(ui->m_choosen_list->currentRow())) {
+		ui->m_var_list->addItem(item);
+	}
+
+	updateQueryLine();
+}
+
+/**
+ * @brief ElementQueryWidget::on_m_down_pb_clicked
+ */
+void ElementQueryWidget::on_m_down_pb_clicked()
+{
+	auto row = ui->m_choosen_list->currentRow();
+	if (row == -1) {
+		return;
+	}
+
+	auto *item = ui->m_choosen_list->takeItem(row);
+	ui->m_choosen_list->insertItem(row+1, item);
+	ui->m_choosen_list->setCurrentItem(item);
+
+	updateQueryLine();
+}
+
+/**
+ * @brief ElementQueryWidget::on_m_edit_sql_query_cb_clicked
+ */
+void ElementQueryWidget::on_m_edit_sql_query_cb_clicked()
+{
+	ui->m_sql_query->setEnabled(ui->m_edit_sql_query_cb->isChecked());
+	ui->m_info_widget->setDisabled(ui->m_edit_sql_query_cb->isChecked());
+	ui->m_parametre_widget->setDisabled(ui->m_edit_sql_query_cb->isChecked());
+
+	if (ui->m_edit_sql_query_cb->isChecked() && !m_custom_query.isEmpty())
+	{
+		ui->m_sql_query->setText(m_custom_query);
+	}
+	else if (!ui->m_edit_sql_query_cb->isChecked())
+	{
+		m_custom_query = ui->m_sql_query->text();
+		updateQueryLine();
+	}
+}
diff --git a/sources/dataBase/ui/elementquerywidget.h b/sources/dataBase/ui/elementquerywidget.h
new file mode 100644
index 000000000..4b9e126ba
--- /dev/null
+++ b/sources/dataBase/ui/elementquerywidget.h
@@ -0,0 +1,64 @@
+/*
+   Copyright 2006-2020 The QElectroTech Team
+   This file is part of QElectroTech.
+
+   QElectroTech is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 2 of the License, or
+   (at your option) any later version.
+
+   QElectroTech is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef ELEMENTQUERYWIDGET_H
+#define ELEMENTQUERYWIDGET_H
+
+#include <QWidget>
+#include <QButtonGroup>
+
+class QListWidgetItem;
+
+namespace Ui {
+class ElementQueryWidget;
+}
+
+/**
+ * @brief The ElementQueryWidget class
+ * A widget use to edit a sql query for get element information
+ * This widget only work to get information from ProjectDataBase
+ */
+class ElementQueryWidget : public QWidget
+{
+    Q_OBJECT
+
+	public:
+		explicit ElementQueryWidget(QWidget *parent = nullptr);
+		~ElementQueryWidget();
+
+		QString queryStr() const;
+
+	private slots:
+		void on_m_up_pb_clicked();
+		void on_m_add_pb_clicked();
+		void on_m_remove_pb_clicked();
+		void on_m_down_pb_clicked();
+		void on_m_edit_sql_query_cb_clicked();
+
+		void updateQueryLine();
+		QStringList selectedKeys() const;
+		void setUpItems();
+
+	private:
+		Ui::ElementQueryWidget *ui;
+		QHash <QString, QString> m_export_info;
+		QButtonGroup m_button_group;
+		QList <QListWidgetItem *> m_items_list;
+		QString m_custom_query;
+};
+
+#endif // ELEMENTQUERYWIDGET_H
diff --git a/sources/dataBase/ui/elementquerywidget.ui b/sources/dataBase/ui/elementquerywidget.ui
new file mode 100644
index 000000000..deacb2419
--- /dev/null
+++ b/sources/dataBase/ui/elementquerywidget.ui
@@ -0,0 +1,363 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ElementQueryWidget</class>
+ <widget class="QWidget" name="ElementQueryWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>341</width>
+    <height>457</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QWidget" name="m_info_widget" native="true">
+     <layout class="QGridLayout" name="gridLayout">
+      <property name="leftMargin">
+       <number>0</number>
+      </property>
+      <property name="topMargin">
+       <number>0</number>
+      </property>
+      <property name="rightMargin">
+       <number>0</number>
+      </property>
+      <property name="bottomMargin">
+       <number>0</number>
+      </property>
+      <item row="0" column="0">
+       <widget class="QLabel" name="label_2">
+        <property name="text">
+         <string>Informations disponibles</string>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignCenter</set>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="2">
+       <widget class="QLabel" name="label">
+        <property name="text">
+         <string>Informations à exporter</string>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignCenter</set>
+        </property>
+        <property name="margin">
+         <number>0</number>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0">
+       <widget class="QListWidget" name="m_var_list"/>
+      </item>
+      <item row="1" column="2">
+       <widget class="QListWidget" name="m_choosen_list"/>
+      </item>
+      <item row="1" column="1">
+       <layout class="QVBoxLayout" name="verticalLayout_2" stretch="0,0,0,0,0,0">
+        <property name="spacing">
+         <number>6</number>
+        </property>
+        <property name="sizeConstraint">
+         <enum>QLayout::SetDefaultConstraint</enum>
+        </property>
+        <item>
+         <spacer name="verticalSpacer">
+          <property name="orientation">
+           <enum>Qt::Vertical</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>20</width>
+            <height>40</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+        <item>
+         <widget class="QPushButton" name="m_up_pb">
+          <property name="toolTip">
+           <string>Monter la sélection</string>
+          </property>
+          <property name="text">
+           <string/>
+          </property>
+          <property name="icon">
+           <iconset resource="../../../qelectrotech.qrc">
+            <normaloff>:/ico/16x16/go-up.png</normaloff>:/ico/16x16/go-up.png</iconset>
+          </property>
+          <property name="checkable">
+           <bool>false</bool>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QPushButton" name="m_add_pb">
+          <property name="toolTip">
+           <string>Ajouter la sélection</string>
+          </property>
+          <property name="text">
+           <string/>
+          </property>
+          <property name="icon">
+           <iconset resource="../../../qelectrotech.qrc">
+            <normaloff>:/ico/16x16/list-add.png</normaloff>:/ico/16x16/list-add.png</iconset>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QPushButton" name="m_remove_pb">
+          <property name="toolTip">
+           <string>Supprimer la sélection</string>
+          </property>
+          <property name="text">
+           <string/>
+          </property>
+          <property name="icon">
+           <iconset resource="../../../qelectrotech.qrc">
+            <normaloff>:/ico/16x16/list-remove.png</normaloff>:/ico/16x16/list-remove.png</iconset>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QPushButton" name="m_down_pb">
+          <property name="toolTip">
+           <string>Descendre la sélection</string>
+          </property>
+          <property name="text">
+           <string/>
+          </property>
+          <property name="icon">
+           <iconset resource="../../../qelectrotech.qrc">
+            <normaloff>:/ico/16x16/go-down.png</normaloff>:/ico/16x16/go-down.png</iconset>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <spacer name="verticalSpacer_2">
+          <property name="orientation">
+           <enum>Qt::Vertical</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>20</width>
+            <height>40</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="Line" name="line">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QWidget" name="m_parametre_widget" native="true">
+     <layout class="QHBoxLayout" name="horizontalLayout_3">
+      <property name="leftMargin">
+       <number>0</number>
+      </property>
+      <property name="topMargin">
+       <number>0</number>
+      </property>
+      <property name="rightMargin">
+       <number>0</number>
+      </property>
+      <property name="bottomMargin">
+       <number>0</number>
+      </property>
+      <item>
+       <widget class="QGroupBox" name="groupBox_3">
+        <property name="title">
+         <string>Type d'éléments</string>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
+        </property>
+        <layout class="QGridLayout" name="gridLayout_4">
+         <item row="4" column="0">
+          <widget class="QCheckBox" name="m_simple_cb">
+           <property name="text">
+            <string>Simples</string>
+           </property>
+           <property name="checked">
+            <bool>true</bool>
+           </property>
+          </widget>
+         </item>
+         <item row="0" column="0">
+          <widget class="QCheckBox" name="m_all_cb">
+           <property name="text">
+            <string>Tous</string>
+           </property>
+           <property name="checked">
+            <bool>true</bool>
+           </property>
+          </widget>
+         </item>
+         <item row="0" column="1">
+          <widget class="QCheckBox" name="m_coil_cb">
+           <property name="text">
+            <string>Contacteurs et relais</string>
+           </property>
+           <property name="checked">
+            <bool>true</bool>
+           </property>
+          </widget>
+         </item>
+         <item row="1" column="1">
+          <widget class="QCheckBox" name="m_button_cb">
+           <property name="text">
+            <string>Boutons et commutateurs</string>
+           </property>
+           <property name="checked">
+            <bool>true</bool>
+           </property>
+          </widget>
+         </item>
+         <item row="1" column="0">
+          <widget class="QCheckBox" name="m_terminal_cb">
+           <property name="text">
+            <string>Borniers</string>
+           </property>
+           <property name="checked">
+            <bool>true</bool>
+           </property>
+          </widget>
+         </item>
+         <item row="4" column="1">
+          <widget class="QCheckBox" name="m_protection_cb">
+           <property name="text">
+            <string>Organes de protection</string>
+           </property>
+           <property name="checked">
+            <bool>true</bool>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="Line" name="line_4">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QGroupBox" name="groupBox">
+     <property name="title">
+      <string>Configuration</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout_2">
+      <item row="0" column="1">
+       <widget class="QPushButton" name="m_load_pb">
+        <property name="enabled">
+         <bool>true</bool>
+        </property>
+        <property name="toolTip">
+         <string>Ouvrir la configuration sélectionné</string>
+        </property>
+        <property name="text">
+         <string/>
+        </property>
+        <property name="icon">
+         <iconset resource="../../../qelectrotech.qrc">
+          <normaloff>:/ico/16x16/folder-open.png</normaloff>:/ico/16x16/folder-open.png</iconset>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="0">
+       <widget class="QComboBox" name="m_conf_cb">
+        <property name="editable">
+         <bool>false</bool>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0">
+       <widget class="QLineEdit" name="m_save_name_le"/>
+      </item>
+      <item row="1" column="1">
+       <widget class="QPushButton" name="m_save_current_conf_pb">
+        <property name="enabled">
+         <bool>false</bool>
+        </property>
+        <property name="toolTip">
+         <string>Sauvegarder la configuration actuelle</string>
+        </property>
+        <property name="text">
+         <string/>
+        </property>
+        <property name="icon">
+         <iconset resource="../../../qelectrotech.qrc">
+          <normaloff>:/ico/16x16/document-save.png</normaloff>:/ico/16x16/document-save.png</iconset>
+        </property>
+        <property name="flat">
+         <bool>false</bool>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="Line" name="line_3">
+     <property name="frameShadow">
+      <enum>QFrame::Sunken</enum>
+     </property>
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QCheckBox" name="m_edit_sql_query_cb">
+       <property name="toolTip">
+        <string>Requête SQL personnalisée</string>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="label_3">
+       <property name="text">
+        <string>Requête SQL :</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLineEdit" name="m_sql_query">
+       <property name="enabled">
+        <bool>false</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="../../../qelectrotech.qrc"/>
+ </resources>
+ <connections/>
+</ui>
diff --git a/sources/qetdiagrameditor.cpp b/sources/qetdiagrameditor.cpp
index ccd4e5dc2..b4bbd335d 100644
--- a/sources/qetdiagrameditor.cpp
+++ b/sources/qetdiagrameditor.cpp
@@ -412,16 +412,11 @@ void QETDiagramEditor::setUpActions()
 
 			/*******ONLY FOR TEST DURING DEVEL*********/
 			auto model = new NomenclatureModel(this->currentProject(), this->currentProject());
-			model->query("SELECT plant, location, label, comment, description FROM element_info ORDER BY plant, location, label, comment, description");
+			model->query("SELECT plant, location, label, pos, comment, description FROM element_info ORDER BY plant, location, label, comment, description");
 			model->setData(model->index(0,0), Qt::AlignLeft, Qt::TextAlignmentRole);
 			model->setData(model->index(0,0), QETApp::diagramTextsFont(), Qt::FontRole);
 			model->setHeaderData(0, Qt::Horizontal, Qt::AlignHCenter, Qt::TextAlignmentRole);
 			model->setHeaderData(0, Qt::Horizontal, QETApp::diagramTextsFont(), Qt::FontRole);
-			model->setHeaderData(0, Qt::Horizontal, "Installation");
-			model->setHeaderData(1, Qt::Horizontal, "Localisation");
-			model->setHeaderData(2, Qt::Horizontal, "Label");
-			model->setHeaderData(3, Qt::Horizontal, "Commentaire");
-			model->setHeaderData(4, Qt::Horizontal, "Description");
 			table->setModel(model);
 			/******************************************/
 
@@ -444,6 +439,11 @@ void QETDiagramEditor::setUpActions()
             wne.toCsv();
         }
     });
+
+	m_export_project_db = new QAction(QET::Icons::DocumentSpreadsheet, tr("Exporter la base de donnée interne du projet"), this);
+	connect(m_export_project_db, &QAction::triggered, [this]() {
+		projectDataBase::exportDb(this->currentProject()->dataBase(), this);
+	});
 	
 		//MDI view style
 	m_tabbed_view_mode = new QAction(tr("en utilisant des onglets"), this);
@@ -789,6 +789,8 @@ void QETDiagramEditor::setUpMenu() {
 	menu_project -> addAction(m_csv_export);
     menu_project -> addAction(m_project_export_conductor_num);
 	menu_project -> addAction(m_project_terminalBloc);
+	menu_project -> addSeparator();
+	menu_project -> addAction(m_export_project_db);
 
 	main_tool_bar         -> toggleViewAction() -> setStatusTip(tr("Affiche ou non la barre d'outils principale"));
 	view_tool_bar         -> toggleViewAction() -> setStatusTip(tr("Affiche ou non la barre d'outils Affichage"));
diff --git a/sources/qetdiagrameditor.h b/sources/qetdiagrameditor.h
index 0f3948eb3..1b9130c5e 100644
--- a/sources/qetdiagrameditor.h
+++ b/sources/qetdiagrameditor.h
@@ -187,6 +187,7 @@ class QETDiagramEditor : public QETMainWindow
 		QAction *m_add_nomenclature; ///< Add nomenclature graphics item;
 		QAction *m_project_terminalBloc;   ///< generate terminal block
         QAction *m_project_export_conductor_num; ///<Export the wire num to csv
+		QAction *m_export_project_db; ///Export to file the internal database of the current project
 		QAction *m_tile_window;        ///< Show MDI subwindows as tile
 		QAction *m_cascade_window;     ///< Show MDI subwindows as cascade
 		QAction *m_previous_window;        ///< Switch to the previous document
diff --git a/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.cpp b/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.cpp
index b2a22927b..7a4abc734 100644
--- a/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.cpp
+++ b/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.cpp
@@ -102,11 +102,15 @@ QVariant NomenclatureModel::headerData(int section, Qt::Orientation orientation,
 		return QVariant();
 	}
 
-	auto hash_ = m_header_data.value(section);
-	if (role == Qt::DisplayRole && !hash_.contains(Qt::DisplayRole)) { //special case to have the same behavior as Qt
-		return hash_.value(Qt::EditRole);
+	if (m_header_data.contains(section))
+	{
+		auto hash_ = m_header_data.value(section);
+		if (role == Qt::DisplayRole && !hash_.contains(Qt::DisplayRole)) { //special case to have the same behavior as Qt
+			return hash_.value(Qt::EditRole);
+		}
+		return m_header_data.value(section).value(role);
 	}
-	return m_header_data.value(section).value(role);
+	return QVariant();
 }
 
 /**
@@ -160,11 +164,35 @@ QVariant NomenclatureModel::data(const QModelIndex &index, int role) const
  */
 void NomenclatureModel::query(const QString &query)
 {
+	auto rm_ = m_query != query;
+	if (rm_)
+	{
+		auto headers = projectDataBase::headersFromElementsInfoQuery(query);
+		for (auto i=0 ; i<headers.size() ; ++i) {
+			this->setHeaderData(i, Qt::Horizontal, headers.at(i));
+		}
+		emit beginResetModel();
+	}
+
 	m_query = query;
 
-	if (m_project) {
+	if (m_project)
+	{
+		if (rm_) {
+			disconnect(m_project->dataBase(), &projectDataBase::dataBaseUpdated, this, &NomenclatureModel::dataBaseUpdated);
+		}
 		m_project->dataBase()->updateDB();
+		if (rm_) {
+			m_record = m_project->dataBase()->elementsInfoFromQuery(m_query);
+			connect(m_project->dataBase(), &projectDataBase::dataBaseUpdated, this, &NomenclatureModel::dataBaseUpdated);
+		}
 	}
+
+	if (rm_) { emit endResetModel();}
+}
+
+QETProject *NomenclatureModel::project() const {
+	return m_project.data();
 }
 
 /**
@@ -173,10 +201,22 @@ void NomenclatureModel::query(const QString &query)
  */
 void NomenclatureModel::dataBaseUpdated()
 {
-	m_record.clear();
-	m_record = m_project->dataBase()->elementsInfoFromQuery(m_query);
+	auto new_record = m_project->dataBase()->elementsInfoFromQuery(m_query);
 
-	auto row = m_record.size();
-	auto col = row ? m_record.first().count() : 1;
-	emit dataChanged(this->index(0,0), this->index(row-1, col-1), QVector<int>(Qt::DisplayRole));
+		//This a very special case, if this nomenclature model is added
+		//befor any element, column count return 0, so in this case we emit column inserted
+	if (new_record.size() != m_record.size())
+	{
+		emit beginInsertColumns(index(0,0), 0, m_record.size()-1);
+		m_record = new_record;
+		emit endInsertColumns();
+	}
+	else
+	{
+		m_record = new_record;
+		auto row = m_record.size();
+		auto col = row ? m_record.first().count() : 1;
+
+		emit dataChanged(this->index(0,0), this->index(row-1, col-1), QVector<int>(Qt::DisplayRole));
+	}
 }
diff --git a/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.h b/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.h
index bdc45c196..b9f9cecc3 100644
--- a/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.h
+++ b/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.h
@@ -42,6 +42,7 @@ class NomenclatureModel : public QAbstractTableModel
 		bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
 		QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
 		void query(const QString &query);
+		QETProject *project() const;
 
 	private:
 		void dataBaseUpdated();
diff --git a/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.cpp b/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.cpp
index 29a6a3ef0..c2c26d40a 100644
--- a/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.cpp
+++ b/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.cpp
@@ -42,10 +42,14 @@ void QetGraphicsHeaderItem::setModel(QAbstractItemModel *model)
 {
 	if (m_model) {
 		disconnect(m_model, &QAbstractItemModel::headerDataChanged, this, &QetGraphicsHeaderItem::headerDataChanged);
+		disconnect(m_model, &QAbstractItemModel::modelReset, this, &QetGraphicsHeaderItem::modelReseted);
+		disconnect(m_model, &QAbstractItemModel::columnsInserted, this, &QetGraphicsHeaderItem::modelReseted);
 	}
 
     m_model = model;
 	connect(m_model, &QAbstractItemModel::headerDataChanged, this, &QetGraphicsHeaderItem::headerDataChanged);
+	connect(m_model, &QAbstractItemModel::modelReset, this, &QetGraphicsHeaderItem::modelReseted);
+	connect(m_model, &QAbstractItemModel::columnsInserted, this, &QetGraphicsHeaderItem::modelReseted);
 	setUpMinimumSectionsSize();
 	m_current_sections_width.clear();
 	m_current_sections_width.resize(m_sections_minimum_width.size());
@@ -264,3 +268,11 @@ void QetGraphicsHeaderItem::adjustSize()
 
 	update();
 }
+
+void QetGraphicsHeaderItem::modelReseted()
+{
+	setUpMinimumSectionsSize();
+	m_current_sections_width.clear();
+	m_current_sections_width.resize(m_sections_minimum_width.size());
+	adjustSize();
+}
diff --git a/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.h b/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.h
index e192c5eb4..d3d30fe44 100644
--- a/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.h
+++ b/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.h
@@ -68,6 +68,7 @@ class QetGraphicsHeaderItem : public QGraphicsObject
 		void setUpBoundingRect();
 		void headerDataChanged(Qt::Orientations orientation, int first, int last);
 		void adjustSize();
+		void modelReseted();
 
     private:
         QRectF m_bounding_rect;
diff --git a/sources/qetgraphicsitem/ViewItem/qetgraphicstableitem.cpp b/sources/qetgraphicsitem/ViewItem/qetgraphicstableitem.cpp
index 899a33247..529536df9 100644
--- a/sources/qetgraphicsitem/ViewItem/qetgraphicstableitem.cpp
+++ b/sources/qetgraphicsitem/ViewItem/qetgraphicstableitem.cpp
@@ -66,8 +66,10 @@ QetGraphicsTableItem::~QetGraphicsTableItem()
  */
 void QetGraphicsTableItem::setModel(QAbstractItemModel *model)
 {
-	if (m_model) {
+	if (m_model)
+	{
 		disconnect(m_model, &QAbstractItemModel::dataChanged, this, &QetGraphicsTableItem::dataChanged);
+		disconnect(m_model, &QAbstractItemModel::modelReset, this, &QetGraphicsTableItem::modelReseted);
 	}
 	m_model = model;
 	m_header_item->setModel(model);
@@ -77,6 +79,7 @@ void QetGraphicsTableItem::setModel(QAbstractItemModel *model)
 
 	m_header_item->setPos(0, -m_header_item->rect().height());
 	connect(m_model, &QAbstractItemModel::dataChanged, this, &QetGraphicsTableItem::dataChanged);
+	connect(m_model, &QAbstractItemModel::modelReset, this, &QetGraphicsTableItem::modelReseted);
 }
 
 /**
@@ -274,6 +277,10 @@ bool QetGraphicsTableItem::sceneEventFilter(QGraphicsItem *watched, QEvent *even
 	return false;
 }
 
+void QetGraphicsTableItem::modelReseted() {
+	dataChanged(m_model->index(0,0), m_model->index(0,0), QVector<int>());
+}
+
 /**
  * @brief QetGraphicsTableItem::setUpColumnAndRowMinimumSize
  * Calcule the minimum row height and the minimum column width for each columns
@@ -377,7 +384,8 @@ void QetGraphicsTableItem::adjustColumnsWidth()
 	auto b = a/std::max(1,m_model->columnCount()); //avoid divide by 0
 
 	for(auto i= 0 ; i<m_model->columnCount() ; ++i) {
-		m_header_item->resizeSection(i, std::max(m_minimum_column_width.at(i), m_header_item->minimumSectionWidth().at(i)) + b);
+		m_header_item->resizeSection(i, std::max(m_minimum_column_width.at(std::min(m_minimum_column_width.size()-1, i)),
+												 m_header_item->minimumSectionWidth().at(std::min(m_header_item->minimumSectionWidth().size()-1, i))) + b);
 	}
 }
 
@@ -391,7 +399,6 @@ void QetGraphicsTableItem::dataChanged(const QModelIndex &topLeft, const QModelI
 	setUpColumnAndRowMinimumSize();
 	adjustSize();
 	setSize(size_);
-	qDebug() << "data changed";
 }
 
 /**
diff --git a/sources/qetgraphicsitem/ViewItem/ui/nomenclaturemodelpropertieswidget.cpp b/sources/qetgraphicsitem/ViewItem/ui/nomenclaturemodelpropertieswidget.cpp
index 811d8975b..35355aad5 100644
--- a/sources/qetgraphicsitem/ViewItem/ui/nomenclaturemodelpropertieswidget.cpp
+++ b/sources/qetgraphicsitem/ViewItem/ui/nomenclaturemodelpropertieswidget.cpp
@@ -18,6 +18,10 @@
 #include "nomenclaturemodelpropertieswidget.h"
 #include "ui_nomenclaturemodelpropertieswidget.h"
 #include "nomenclaturemodel.h"
+#include "qetproject.h"
+#include "elementquerywidget.h"
+
+#include <QDialogButtonBox>
 
 /**
  * @brief NomenclatureModelPropertiesWidget::NomenclatureModelPropertiesWidget
@@ -49,11 +53,30 @@ void NomenclatureModelPropertiesWidget::setModel(NomenclatureModel *model) {
     m_model = model;
 }
 
+/**
+ * @brief NomenclatureModelPropertiesWidget::on_m_edit_query_pb_clicked
+ */
 void NomenclatureModelPropertiesWidget::on_m_edit_query_pb_clicked()
-{}
+{
+	QDialog d(this);
+	auto l = new QVBoxLayout(this);
+	d.setLayout(l);
 
-void NomenclatureModelPropertiesWidget::on_m_refresh_pb_clicked() {
-	if (m_model) {
-		m_model->query("SELECT plant, location, label, comment, description FROM element_info ORDER BY plant, location, label, comment, description");
+	auto query_widget = new ElementQueryWidget(&d);
+	l->addWidget(query_widget);
+
+	auto button_box = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
+	l->addWidget(button_box);
+	connect(button_box, &QDialogButtonBox::accepted, &d, &QDialog::accept);
+	connect(button_box, &QDialogButtonBox::rejected, &d, &QDialog::reject);
+
+	if (d.exec()) {
+		m_model->query(query_widget->queryStr());
+	}
+}
+
+void NomenclatureModelPropertiesWidget::on_m_refresh_pb_clicked() {
+	if (m_model && m_model->project()) {
+		m_model->project()->dataBase()->updateDB();
 	}
 }
diff --git a/sources/ui/bomexportdialog.h b/sources/ui/bomexportdialog.h
index 6eaa1dbeb..f743fe7d3 100644
--- a/sources/ui/bomexportdialog.h
+++ b/sources/ui/bomexportdialog.h
@@ -54,13 +54,12 @@ class BOMExportDialog : public QDialog
         void on_m_save_current_conf_pb_clicked();
         void on_m_load_pb_clicked();
 
-		private:
+	private:
         void setUpItems();
         QString getBom();
         QString headers() const;
         bool createDataBase();
         void populateDataBase();
-        void prepareQuery(QStringList keys);
         QHash<QString, QString> elementInfoToString(Element *elmt) const;
         QString queryStr() const;
         void updateQueryLine();
diff --git a/sources/ui/diagrampropertieseditordockwidget.cpp b/sources/ui/diagrampropertieseditordockwidget.cpp
index bc3ba80f3..a97e5257f 100644
--- a/sources/ui/diagrampropertieseditordockwidget.cpp
+++ b/sources/ui/diagrampropertieseditordockwidget.cpp
@@ -1,5 +1,5 @@
 /*
-	Copyright 2006-2019 The QElectroTech Team
+	Copyright 2006-2020 The QElectroTech Team
 	This file is part of QElectroTech.
 
 	QElectroTech is free software: you can redistribute it and/or modify