diff --git a/sources/diagram.cpp b/sources/diagram.cpp
index e2882b150..3e32ea109 100644
--- a/sources/diagram.cpp
+++ b/sources/diagram.cpp
@@ -37,6 +37,9 @@
 #include "elementtextitemgroup.h"
 #include "undocommand/addelementtextcommand.h"
 #include "QPropertyUndoCommand/qpropertyundocommand.h"
+#include "qetgraphicstableitem.h"
+#include "qetxml.h"
+#include "elementprovider.h"
 
 int Diagram::xGrid  = 10;
 int Diagram::yGrid  = 10;
@@ -614,31 +617,31 @@ QDomDocument Diagram::toXml(bool whole_content) {
 	QDomDocument document;
 	
 	// racine de l'arbre XML
-	QDomElement racine = document.createElement("diagram");
+	auto dom_root = document.createElement("diagram");
 	
 	// add the application version number
-	racine.setAttribute("version", QET::version);
+	dom_root.setAttribute("version", QET::version);
 	
 	// proprietes du schema
 	if (whole_content) {
-		border_and_titleblock.titleBlockToXml(racine);
-		border_and_titleblock.borderToXml(racine);
+		border_and_titleblock.titleBlockToXml(dom_root);
+		border_and_titleblock.borderToXml(dom_root);
 		
 		// Default conductor properties
 		QDomElement default_conductor = document.createElement("defaultconductor");
 		defaultConductorProperties.toXml(default_conductor);
-		racine.appendChild(default_conductor);
+		dom_root.appendChild(default_conductor);
 
 		// Conductor autonum
 		if (!m_conductors_autonum_name.isEmpty()) {
-			racine.setAttribute("conductorAutonum", m_conductors_autonum_name);
+			dom_root.setAttribute("conductorAutonum", m_conductors_autonum_name);
 		}
 
 		//Default New Element
-		racine.setAttribute("freezeNewElement", m_freeze_new_elements ? "true" : "false");
+		dom_root.setAttribute("freezeNewElement", m_freeze_new_elements ? "true" : "false");
 
 		//Default New Conductor
-		racine.setAttribute("freezeNewConductor", m_freeze_new_conductors_ ? "true" : "false");
+		dom_root.setAttribute("freezeNewConductor", m_freeze_new_conductors_ ? "true" : "false");
 
 		//Element Folio Sequential Variables
 		if (!m_elmt_unitfolio_max.isEmpty() || !m_elmt_tenfolio_max.isEmpty() || !m_elmt_hundredfolio_max.isEmpty()) {
@@ -658,7 +661,7 @@ QDomDocument Diagram::toXml(bool whole_content) {
 				folioSequentialsToXml(&m_elmt_hundredfolio_max, &elmtfolioseq, "seqhf_", "hundredfolioseq", &document);
 				elmtfoliosequential.appendChild(elmtfolioseq);
 			}
-			racine.appendChild(elmtfoliosequential);
+			dom_root.appendChild(elmtfoliosequential);
 		}
 		//Conductor Folio Sequential Variables
 		if (!m_cnd_unitfolio_max.isEmpty() || !m_cnd_tenfolio_max.isEmpty() || !m_cnd_hundredfolio_max.isEmpty()) {
@@ -679,101 +682,125 @@ QDomDocument Diagram::toXml(bool whole_content) {
 				folioSequentialsToXml(&m_cnd_hundredfolio_max, &cndfolioseq, "seqhf_", "hundredfolioseq", &document);
 				cndfoliosequential.appendChild(cndfolioseq);
 			}
-			racine.appendChild(cndfoliosequential);
+			dom_root.appendChild(cndfoliosequential);
 		}
 	}
 	else {
 			//this method with whole_content to false,
 			//is often use to copy and paste the current selection
 			//so we add the id of the project where copy occur.
-		racine.setAttribute("projectId", QETApp::projectId(m_project));
+		dom_root.setAttribute("projectId", QETApp::projectId(m_project));
 	}
-	document.appendChild(racine);
+	document.appendChild(dom_root);
 	
-	// si le schema ne contient pas d'element (et donc pas de conducteurs), on retourne de suite le document XML
-	if (items().isEmpty()) return(document);
+	if (items().isEmpty())
+		return(document);
 	
-	// creation de trois listes : une qui contient les elements, une qui contient les conducteurs, une qui contient les champs de texte
-	QList<Element *> list_elements;
-	QList<Conductor *> list_conductors;
-	QList<DiagramTextItem *> list_texts;
-	QList<DiagramImageItem *> list_images;
-	QList<QetShapeItem *> list_shapes;
-	
-	QList<QGraphicsItem *> list_items = items();
-	;
-	// Determine les elements a "XMLiser"
-	foreach(QGraphicsItem *qgi, list_items) {
-		if (Element *elmt = qgraphicsitem_cast<Element *>(qgi)) {
-			if (whole_content) list_elements << elmt;
-			else if (elmt -> isSelected()) list_elements << elmt;
-		} else if (Conductor *f = qgraphicsitem_cast<Conductor *>(qgi)) {
-			if (whole_content) list_conductors << f;
-			// lorsqu'on n'exporte pas tout le diagram, il faut retirer les conducteurs non selectionnes
-			// et pour l'instant, les conducteurs non selectionnes sont les conducteurs dont un des elements n'est pas selectionne
-			else if (f -> terminal1 -> parentItem() -> isSelected() && f -> terminal2 -> parentItem() -> isSelected()) {
-				list_conductors << f;
+	QVector<Element *> list_elements;
+	QVector<Conductor *> list_conductors;
+	QVector<DiagramTextItem *> list_texts;
+	QVector<DiagramImageItem *> list_images;
+	QVector<QetShapeItem *> list_shapes;
+	QVector<QetGraphicsTableItem *> table_vector;
+
+		//Ckeck graphics item to "XMLise"
+	for(QGraphicsItem *qgi : items())
+	{
+		switch (qgi->type())
+		{
+			case Element::Type: {
+				auto elmt = static_cast<Element *>(qgi);
+				if (whole_content || elmt->isSelected())
+					list_elements << elmt;
+				break;
+			}
+			case Conductor::Type: {
+				auto cond = static_cast<Conductor *>(qgi);
+				if (whole_content)
+					list_conductors << cond;
+					//When we did not export the whole diagram, we must to remove the non selected conductors.
+					//At this step that mean a conductor which one of these two element are not selected
+				else if (cond->terminal1->parentItem()->isSelected() && cond->terminal2->parentItem()->isSelected())
+					list_conductors << cond;
+				break;
+			}
+			case DiagramImageItem::Type: {
+				auto image = static_cast<DiagramImageItem *>(qgi);
+				if (whole_content || image->isSelected())
+					list_images << image;
+				break;
+			}
+			case IndependentTextItem::Type: {
+				auto indi_text = static_cast<IndependentTextItem *>(qgi);
+				if (whole_content || indi_text->isSelected())
+					list_texts << indi_text;
+				break;
+			}
+			case QetShapeItem::Type: {
+				auto shape = static_cast<QetShapeItem *>(qgi);
+				if (whole_content || shape->isSelected())
+					list_shapes << shape;
+				break;
+			}
+			case QetGraphicsTableItem::Type: {
+				auto table = static_cast<QetGraphicsTableItem *>(qgi);
+				if (whole_content || table->isSelected())
+					table_vector << table;
 			}
-		} else if (IndependentTextItem *iti = qgraphicsitem_cast<IndependentTextItem *>(qgi)) {
-			if (whole_content) list_texts << iti;
-			else if (iti -> isSelected()) list_texts << iti;
-		} else if (DiagramImageItem *dii = qgraphicsitem_cast<DiagramImageItem *>(qgi)) {
-			if (whole_content) list_images << dii;
-			else if (dii -> isSelected()) list_images << dii;
-		} else if (QetShapeItem *dsi = qgraphicsitem_cast<QetShapeItem *>(qgi)) {
-			if (whole_content) list_shapes << dsi;
-			else if (dsi -> isSelected()) list_shapes << dsi;
 		}
 	}
 	
-	// table de correspondance entre les adresses des bornes et leurs ids
+		// table de correspondance entre les adresses des bornes et leurs ids
 	QHash<Terminal *, int> table_adr_id;
 	
-	// enregistrement des elements
 	if (!list_elements.isEmpty()) {
-		QDomElement elements = document.createElement("elements");
-		foreach(Element *elmt, list_elements) {
-			elements.appendChild(elmt -> toXml(document, table_adr_id));
+		auto dom_elements = document.createElement("elements");
+		for (auto elmt : list_elements) {
+			dom_elements.appendChild(elmt->toXml(document, table_adr_id));
 		}
-		racine.appendChild(elements);
+		dom_root.appendChild(dom_elements);
 	}
 	
-	// enregistrement des conducteurs
 	if (!list_conductors.isEmpty()) {
-		QDomElement conductors = document.createElement("conductors");
-		foreach(Conductor *cond, list_conductors) {
-			conductors.appendChild(cond -> toXml(document, table_adr_id));
+		auto dom_conductors = document.createElement("conductors");
+		for (auto cond : list_conductors) {
+			dom_conductors.appendChild(cond->toXml(document, table_adr_id));
 		}
-		racine.appendChild(conductors);
+		dom_root.appendChild(dom_conductors);
 	}
 	
-	// enregistrement des champs de texte
 	if (!list_texts.isEmpty()) {
-		QDomElement inputs = document.createElement("inputs");
-		foreach(DiagramTextItem *dti, list_texts) {
-			inputs.appendChild(dti -> toXml(document));
+		auto dom_texts = document.createElement("inputs");
+		for (auto dti : list_texts) {
+			dom_texts.appendChild(dti->toXml(document));
 		}
-		racine.appendChild(inputs);
+		dom_root.appendChild(dom_texts);
 	}
 
-	// save of images
 	if (!list_images.isEmpty()) {
-		QDomElement images = document.createElement("images");
-		foreach (DiagramImageItem *dii, list_images) {
-			images.appendChild(dii -> toXml(document));
+		auto dom_images = document.createElement("images");
+		for (auto dii : list_images) {
+			dom_images.appendChild(dii->toXml(document));
 		}
-		racine.appendChild(images);
+		dom_root.appendChild(dom_images);
 	}
 
-	// save of basic shapes
 	if (!list_shapes.isEmpty()) {
-		QDomElement shapes = document.createElement("shapes");
-		foreach (QetShapeItem *dii, list_shapes) {
-			shapes.appendChild(dii -> toXml(document));
+		auto dom_shapes = document.createElement("shapes");
+		for (auto dii : list_shapes) {
+			dom_shapes.appendChild(dii -> toXml(document));
 		}
-		racine.appendChild(shapes);
+		dom_root.appendChild(dom_shapes);
 	}
-	// on retourne le document XML ainsi genere
+
+	if (table_vector.size()) {
+		auto tables = document.createElement("tables");
+		for (auto table : table_vector) {
+			tables.appendChild(table->toXml(document));
+		}
+		dom_root.appendChild(tables);
+	}
+
 	return(document);
 }
 
@@ -970,7 +997,7 @@ bool Diagram::fromXml(QDomElement &document, QPointF position, bool consider_inf
 		}
 	}
 	
-	// Load text
+		// Load text
 	QList<IndependentTextItem *> added_texts;
 	foreach (QDomElement text_xml, QET::findInDomElement(root, "inputs", "input")) {
 		IndependentTextItem *iti = new IndependentTextItem();
@@ -979,7 +1006,7 @@ bool Diagram::fromXml(QDomElement &document, QPointF position, bool consider_inf
 		added_texts << iti;
 	}
 
-	// Load image
+		// Load image
 	QList<DiagramImageItem *> added_images;
 	foreach (QDomElement image_xml, QET::findInDomElement(root, "images", "image")) {
 		DiagramImageItem *dii = new DiagramImageItem ();
@@ -988,7 +1015,7 @@ bool Diagram::fromXml(QDomElement &document, QPointF position, bool consider_inf
 		added_images << dii;
 	}
 
-	// Load shape
+		// Load shape
 	QList<QetShapeItem *> added_shapes;
 	foreach (QDomElement shape_xml, QET::findInDomElement(root, "shapes", "shape")) {
 		QetShapeItem *dii = new QetShapeItem (QPointF(0,0));
@@ -1026,39 +1053,52 @@ bool Diagram::fromXml(QDomElement &document, QPointF position, bool consider_inf
 		else qDebug() << "Diagram::fromXml() : Le chargement du conducteur" << id_p1 << id_p2 << "a echoue";
 	}
 
-	//Translate items if a new position was given in parameter
-	if (position != QPointF()) {
+		//Load tables
+	QVector<QetGraphicsTableItem *> added_tables;
+	for (auto dom_table : QETXML::subChild(root, "tables", QetGraphicsTableItem::xmlTagName()))
+	{
+		auto table = new QetGraphicsTableItem();
+		addItem(table);
+		table->fromXml(dom_table);
+		added_tables << table;
+	}
 
-		QList<QGraphicsItem *> added_items;
-		foreach (Element          *added_element, added_elements  ) added_items << added_element;
-		foreach (Conductor        *added_cond,    added_conductors) added_items << added_cond;
-		foreach (QetShapeItem     *added_shape,   added_shapes    ) added_items << added_shape;
-		foreach (DiagramTextItem  *added_text,    added_texts     ) added_items << added_text;
-		foreach (DiagramImageItem *added_image,   added_images    ) added_items << added_image;
+		//Translate items if a new position was given in parameter
+	if (position != QPointF())
+	{
+		QVector <QGraphicsItem *> added_items;
+		for (auto element : added_elements  ) added_items << element;
+		for (auto cond    : added_conductors) added_items << cond;
+		for (auto shape   : added_shapes    ) added_items << shape;
+		for (auto text    : added_texts     ) added_items << text;
+		for (auto image   : added_images    ) added_items << image;
+		for (auto table   : added_tables    ) added_items << table;
 
-		//Get the top left corner of the rectangle that contain all added items
+			//Get the top left corner of the rectangle that contain all added items
 		QRectF items_rect;
-		foreach (QGraphicsItem *item, added_items) {
-			items_rect = items_rect.united(item -> mapToScene(item -> boundingRect()).boundingRect());
+		for (auto item : added_items) {
+			items_rect = items_rect.united(item->mapToScene(item->boundingRect()).boundingRect());
 		}
 
 		QPointF point_ = items_rect.topLeft();
 		QPointF pos_ = Diagram::snapToGrid(QPointF (position.x() - point_.x(),
 													position.y() - point_.y()));
 
-		//Translate all added items
-		foreach (QGraphicsItem *qgi, added_items)
-			qgi -> setPos( qgi -> pos() += pos_);
+			//Translate all added items
+		for (auto qgi : added_items)
+			qgi->setPos(qgi->pos() += pos_);
 	}
 	
-	// remplissage des listes facultatives
+		//Filling of falculatory lists
 	if (content_ptr) {
-		content_ptr -> m_elements         = added_elements;
+		content_ptr -> m_elements           = added_elements;
 		content_ptr -> m_conductors_to_move = added_conductors;
-		content_ptr -> m_text_fields       = added_texts.toSet();
-		content_ptr -> m_images			= added_images.toSet();
-		content_ptr -> m_shapes			= added_shapes.toSet();
+		content_ptr -> m_text_fields        = added_texts.toSet();
+		content_ptr -> m_images			    = added_images.toSet();
+		content_ptr -> m_shapes			    = added_shapes.toSet();
+		content_ptr -> m_tables             = added_tables;
 	}
+
 	adjustSceneRect();
 	return(true);
 }
@@ -1096,6 +1136,8 @@ void Diagram::folioSequentialsFromXml(const QDomElement &root, QHash<QString, QS
  */
 void Diagram::refreshContents()
 {
+	ElementProvider provider_(this);
+
 	for (Element *elmt : elements())
 	{
 		elmt->initLink(project());
@@ -1105,6 +1147,9 @@ void Diagram::refreshContents()
 
 	for (Conductor *conductor : conductors())
 		conductor->refreshText();
+
+	for (auto table : provider_.table())
+		table->initLink();
 }
 
 /**
diff --git a/sources/diagramcontent.h b/sources/diagramcontent.h
index c4611da50..beda6ea06 100644
--- a/sources/diagramcontent.h
+++ b/sources/diagramcontent.h
@@ -19,6 +19,7 @@
 #define DIAGRAM_CONTENT_H
 
 #include <QSet>
+#include <QVector>
 
 class QGraphicsItem;
 class Conductor;
@@ -30,6 +31,7 @@ class DynamicElementTextItem;
 class ElementTextItemGroup;
 class Diagram;
 class DiagramTextItem;
+class QetGraphicsTableItem;
 
 /**
 	This class provides a container that makes the transmission of diagram content
@@ -60,8 +62,9 @@ class DiagramContent
 			AnyConductor = 112,
 			Shapes = 128,
 			TextGroup = 256,
-			All = 511,
-			SelectedOnly = 512
+			Tables = 512,
+			All = 1023,
+			SelectedOnly = 1024
 		};
 		
 		QList<Element *> m_elements;
@@ -75,6 +78,8 @@ class DiagramContent
 		QSet<DynamicElementTextItem *> m_element_texts;
 		QSet<ElementTextItemGroup *> m_texts_groups;
 		QList<QGraphicsItem *> m_selected_items;
+		QVector<QetGraphicsTableItem *> m_tables;
+
 		
 		QList<DiagramTextItem *> selectedTexts() const;
 		QList<ElementTextItemGroup *> selectedTextsGroup() const;
diff --git a/sources/elementprovider.cpp b/sources/elementprovider.cpp
index be65b300c..d2e5240a8 100644
--- a/sources/elementprovider.cpp
+++ b/sources/elementprovider.cpp
@@ -156,3 +156,17 @@ QVector<QetGraphicsTableItem *> ElementProvider::table(QetGraphicsTableItem *tab
 
 	return v_;
 }
+
+/**
+ * @brief ElementProvider::tableFromUuid
+ * @param uuid
+ * @return the table with uuid @uuid or nullptr if not found
+ */
+QetGraphicsTableItem *ElementProvider::tableFromUuid(const QUuid &uuid)
+{
+	for (auto table : this->table())
+		if (table->uuid() == uuid)
+			return table;
+
+	return nullptr;
+}
diff --git a/sources/elementprovider.h b/sources/elementprovider.h
index 983dd3e2f..65979abf3 100644
--- a/sources/elementprovider.h
+++ b/sources/elementprovider.h
@@ -42,6 +42,7 @@ class ElementProvider
 		QList <Element *> fromUuids(QList <QUuid>) const;
 		QList <Element *> find(const int filter) const;
 		QVector <QetGraphicsTableItem *> table(QetGraphicsTableItem *table = nullptr, QAbstractItemModel *model = nullptr);
+		QetGraphicsTableItem *tableFromUuid(const QUuid &uuid);
 
 	private:
 		QList <Diagram *> m_diagram_list;
diff --git a/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.cpp b/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.cpp
index e46c650ff..e991a53e9 100644
--- a/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.cpp
+++ b/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.cpp
@@ -18,6 +18,7 @@
 #include "nomenclaturemodel.h"
 #include "qetapp.h"
 #include "qetproject.h"
+#include "qetxml.h"
 
 #include <QModelIndex>
 #include <QFont>
@@ -202,6 +203,47 @@ void NomenclatureModel::autoHeaders()
 	}
 }
 
+/**
+ * @brief NomenclatureModel::toXml
+ * Save the model to xml,since model can have unlimited data we only save few data.
+ * The query and all header data. All other data are not saved.
+ * @param document
+ * @return
+ */
+QDomElement NomenclatureModel::toXml(QDomDocument &document) const
+{
+	auto dom_element = document.createElement(xmlTagName());
+
+		//query
+	auto dom_query = document.createElement("query");
+	auto dom_query_txt = document.createTextNode(m_query);
+	dom_query.appendChild(dom_query_txt);
+	dom_element.appendChild(dom_query);
+
+		//header data
+	QHash<int, QList<int>> horizontal_;
+	for (auto key : m_header_data.keys()) {
+		horizontal_.insert(key, m_header_data.value(key).keys()); }
+
+	dom_element.appendChild(QETXML::modelHeaderDataToXml(document, this, horizontal_, QHash<int, QList<int>>()));
+
+	return dom_element;
+}
+
+/**
+ * @brief NomenclatureModel::fromXml
+ * Restore the model from xml
+ * @param element
+ */
+void NomenclatureModel::fromXml(const QDomElement &element)
+{
+	if (element.tagName() != xmlTagName())
+		return;
+
+	query(element.firstChildElement("query").text());
+	QETXML::modelHeaderDataFromXml(element.firstChildElement("header_data"), this);
+}
+
 /**
  * @brief NomenclatureModel::dataBaseUpdated
  * slot called when the project database is updated
@@ -214,9 +256,9 @@ void NomenclatureModel::dataBaseUpdated()
 		//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);
+		emit beginResetModel();
 		m_record = new_record;
-		emit endInsertColumns();
+		emit endResetModel();
 	}
 	else
 	{
diff --git a/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.h b/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.h
index e4b52f70b..b23a6cae4 100644
--- a/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.h
+++ b/sources/qetgraphicsitem/ViewItem/nomenclaturemodel.h
@@ -1,4 +1,4 @@
-/*
+/*
         Copyright 2006-2020 QElectroTech Team
         This file is part of QElectroTech.
 
@@ -20,6 +20,7 @@
 
 #include <QAbstractTableModel>
 #include <QPointer>
+#include <QDomElement>
 
 class QETProject;
 
@@ -45,6 +46,10 @@ class NomenclatureModel : public QAbstractTableModel
 		QETProject *project() const;
 		void autoHeaders();
 
+		QDomElement toXml(QDomDocument &document) const;
+		void fromXml(const QDomElement &element);
+		static QString xmlTagName() {return QString("nomenclature_model");}
+
 	private:
 		void dataBaseUpdated();
 
diff --git a/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.cpp b/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.cpp
index ba813044e..f089e5ac3 100644
--- a/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.cpp
+++ b/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.cpp
@@ -17,6 +17,7 @@
 */
 #include "qetgraphicsheaderitem.h"
 #include "qabstractitemmodel.h"
+#include "qetxml.h"
 
 #include <QFontMetrics>
 #include <QPainter>
@@ -209,6 +210,34 @@ void QetGraphicsHeaderItem::setMargins(const QMargins &margins)
 	headerDataChanged(Qt::Horizontal, 0,1);
 }
 
+/**
+ * @brief QetGraphicsHeaderItem::toXml
+ * save the header to xml
+ * @param document
+ * @return
+ */
+QDomElement QetGraphicsHeaderItem::toXml(QDomDocument &document) const
+{
+	auto dom_element = document.createElement(xmlTagName());
+	dom_element.appendChild(QETXML::marginsToXml(document, m_margin));
+
+	return dom_element;
+}
+
+/**
+ * @brief QetGraphicsHeaderItem::fromXml
+ * Restore the header from xml
+ * @param element
+ */
+void QetGraphicsHeaderItem::fromXml(const QDomElement &element)
+{
+	if (element.tagName() != xmlTagName()) {
+		return;
+	}
+
+	m_margin = QETXML::marginsFromXml(element.firstChildElement("margins"));
+}
+
 /**
  * @brief QetGraphicsHeaderItem::setUpMinimumSectionsSize
  * Setup the minimum section size and height of the item.
diff --git a/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.h b/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.h
index efbe5eaaa..236f8ad3e 100644
--- a/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.h
+++ b/sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.h
@@ -59,6 +59,10 @@ class QetGraphicsHeaderItem : public QGraphicsObject
 		QVector<int> minimumSectionWidth()  const {return m_sections_minimum_width;}
 		int minimumWidth() const {return m_minimum_width;}
 
+		QDomElement toXml (QDomDocument &document) const;
+		void fromXml(const QDomElement &element);
+		static QString xmlTagName() {return QString("graphics_header");}
+
 	signals:
 		void sectionResized(int logicalIndex, int size);
 		void heightResized();
diff --git a/sources/qetgraphicsitem/ViewItem/qetgraphicstableitem.cpp b/sources/qetgraphicsitem/ViewItem/qetgraphicstableitem.cpp
index dff66e981..ca17903be 100644
--- a/sources/qetgraphicsitem/ViewItem/qetgraphicstableitem.cpp
+++ b/sources/qetgraphicsitem/ViewItem/qetgraphicstableitem.cpp
@@ -1,4 +1,4 @@
-/*
+/*
 		Copyright 2006-2020 QElectroTech Team
         This file is part of QElectroTech.
 
@@ -19,6 +19,9 @@
 #include "diagram.h"
 #include "qetgraphicsheaderitem.h"
 #include "QPropertyUndoCommand/qpropertyundocommand.h"
+#include "qetxml.h"
+#include "nomenclaturemodel.h"
+#include "elementprovider.h"
 
 #include <QAbstractItemModel>
 #include <QFontMetrics>
@@ -55,6 +58,8 @@ QetGraphicsTableItem::QetGraphicsTableItem(QGraphicsItem *parent) :
 	connect(m_header_item, &QetGraphicsHeaderItem::heightResized, this, [this]() {
 		m_header_item->setPos(0, 0-m_header_item->rect().height());
 	});
+		//Init the size of table without a model
+	setModel();
 }
 
 QetGraphicsTableItem::~QetGraphicsTableItem()
@@ -86,6 +91,10 @@ void QetGraphicsTableItem::setModel(QAbstractItemModel *model)
 		connect(m_model, &QAbstractItemModel::dataChanged, this, &QetGraphicsTableItem::dataChanged);
 		connect(m_model, &QAbstractItemModel::modelReset, this, &QetGraphicsTableItem::modelReseted);
 	}
+
+	if (m_next_table) {
+		m_next_table->setModel(m_model);
+	}
 }
 
 /**
@@ -141,7 +150,7 @@ void QetGraphicsTableItem::paint(QPainter *painter, const QStyleOptionGraphicsIt
 		painter->restore();
 		return;
 	}
-	painter->setFont(m_model->data(model()->index(0,0), Qt::FontRole).value<QFont>());
+	painter->setFont(m_model->data(m_model->index(0,0), Qt::FontRole).value<QFont>());
 
 		//Draw vertical lines
 	auto offset= 0;
@@ -213,6 +222,7 @@ void QetGraphicsTableItem::setMargins(const QMargins &margins)
  */
 void QetGraphicsTableItem::setSize(const QSize &size)
 {
+	qDebug() << "ici";
 	auto new_size = size;
 	if (new_size.width() < minimumSize().width())  {
 		new_size.setWidth(minimumSize().width());
@@ -296,7 +306,8 @@ int QetGraphicsTableItem::displayNRow() const {
  */
 void QetGraphicsTableItem::setPreviousTable(QetGraphicsTableItem *table)
 {
-	if (m_previous_table == table) {
+	if (m_previous_table == table ||
+		this == table) {
 		return;
 	}
 
@@ -316,13 +327,6 @@ void QetGraphicsTableItem::setPreviousTable(QetGraphicsTableItem *table)
 		old_previous_table->nextTable() == this) {
 		old_previous_table->setNextTable(nullptr);
 	}
-
-		//Set the m_model to every next table
-	auto next_ = m_next_table;
-	while (next_) {
-		next_->setModel(m_model);
-		next_ = next_->nextTable();
-	}
 }
 
 /**
@@ -333,7 +337,8 @@ void QetGraphicsTableItem::setPreviousTable(QetGraphicsTableItem *table)
  */
 void QetGraphicsTableItem::setNextTable(QetGraphicsTableItem *table)
 {
-	if (m_next_table == table) {
+	if (m_next_table == table ||
+		this == table) {
 		return;
 	}
 
@@ -393,6 +398,119 @@ void QetGraphicsTableItem::setToMinimumHeight()
 	setSize(size_);
 }
 
+void QetGraphicsTableItem::initLink()
+{
+	if (!m_pending_previous_table_uuid.isNull())
+	{
+		ElementProvider provider_(this->diagram());
+		if (auto previous_table = provider_.tableFromUuid(m_pending_previous_table_uuid)) {
+			setPreviousTable(previous_table);
+		}
+		m_pending_previous_table_uuid = QUuid(); //Set to null in case initLink is called again
+	}
+	setSize(m_pending_size);
+}
+
+/**
+ * @brief QetGraphicsTableItem::toXml
+ * Save the table to xml
+ * @param dom_document : parent document
+ * @return the dom_element that describe the table
+ */
+QDomElement QetGraphicsTableItem::toXml(QDomDocument &dom_document) const
+{
+	auto dom_table = dom_document.createElement(xmlTagName());
+	dom_table.setAttribute("x", QString::number(pos().x()));
+	dom_table.setAttribute("y", QString::number(pos().y()));
+	dom_table.setAttribute("width", QString::number(m_current_size.width()));
+	dom_table.setAttribute("height", QString::number(m_current_size.height()));
+	dom_table.setAttribute("uuid", m_uuid.toString());
+	dom_table.setAttribute("name", m_name);
+	dom_table.setAttribute("display_n_row", QString::number(m_number_of_displayed_row));
+
+		//Add the header xml
+	dom_table.appendChild(m_header_item->toXml(dom_document));
+
+		//Add previous table, the model is save by the previous table
+	if (m_previous_table)
+	{
+		auto dom_previous_table = dom_document.createElement("previous_table");
+		dom_previous_table.setAttribute("uuid", m_previous_table->m_uuid.toString());
+		dom_table.appendChild(dom_previous_table);
+	}
+	else if (m_model) //There is not a previous table, we need to save the model
+	{
+			//Add cell properties
+		auto dom_cell = dom_document.createElement("cell");
+		dom_cell.setAttribute("font", m_model->data(m_model->index(0,0), Qt::FontRole).toString());
+		auto me = QMetaEnum::fromType<Qt::Alignment>();
+		dom_cell.setAttribute("alignment", me.valueToKey(m_model->data(m_model->index(0,0), Qt::TextAlignmentRole).toInt()));
+		dom_cell.appendChild(QETXML::marginsToXml(dom_document, m_margin));
+		dom_table.appendChild(dom_cell);
+
+			//Add model
+		auto dom_model = dom_document.createElement("model");
+		auto nomenclature_model = static_cast<NomenclatureModel *>(m_model);
+		dom_model.appendChild(nomenclature_model->toXml(dom_document));
+		dom_table.appendChild(dom_model);
+
+	}
+
+	return dom_table;
+}
+
+/**
+ * @brief QetGraphicsTableItem::fromXml
+ * Restore the table from xml.
+ * Make this item is already in a diagram to
+ * @param dom_element
+ */
+void QetGraphicsTableItem::fromXml(const QDomElement &dom_element)
+{
+	if (dom_element.tagName() != xmlTagName()) {
+		return;
+	}
+
+	this->setPos(dom_element.attribute("x", QString::number(10)).toDouble(),
+				 dom_element.attribute("y", QString::number(10)).toDouble());
+		//Size is not set now because will change during the whole process of opening a project from the xml
+	m_pending_size = QSize(dom_element.attribute("width",  QString::number(no_model_width)).toInt(),
+						   dom_element.attribute("height", QString::number(no_model_height)).toInt());
+
+	m_uuid = QUuid(dom_element.attribute("uuid", QUuid::createUuid().toString()));
+	m_name = dom_element.attribute("name");
+	m_number_of_displayed_row = dom_element.attribute("display_n_row", QString::number(0)).toInt();
+	m_margin = QETXML::marginsFromXml(dom_element.firstChildElement("margins"));
+
+	auto vector_ = QETXML::directChild(dom_element, "previous_table");
+	if (vector_.size()) { //Table have a previous table
+		m_pending_previous_table_uuid = QUuid(vector_.first().attribute("uuid"));
+	}
+	else if (this->diagram()) //The table haven't got a previous table, so there should be a model save to xml
+	{
+			//Get table
+		auto model_ = new NomenclatureModel(this->diagram()->project(), this->diagram()->project());
+		model_->fromXml(dom_element.firstChildElement("model").firstChildElement(NomenclatureModel::xmlTagName()));
+		this->setModel(model_);
+
+			//Get cell properties
+		auto dom_cell = dom_element.firstChildElement("cell");
+			//font
+		QFont font_;
+		font_.fromString(dom_cell.attribute("font"));
+		m_model->setData(m_model->index(0,0), font_, Qt::FontRole);
+			//alignment
+		auto me = QMetaEnum::fromType<Qt::Alignment>();
+		m_model->setData(m_model->index(0,0), me.keyToValue(dom_cell.attribute("alignment").toStdString().data()));
+		dom_cell.setAttribute("alignment", me.valueToKey(m_model->data(m_model->index(0,0), Qt::TextAlignmentRole).toInt()));
+			//margins
+		m_margin =  QETXML::marginsFromXml(dom_cell.firstChildElement("margins"));
+	}
+
+		//Restore the header from xml
+	m_header_item->fromXml(dom_element.firstChildElement(QetGraphicsHeaderItem::xmlTagName()));
+}
+
 /**
  * @brief QetGraphicsTableItem::hoverEnterEvent
  * Reimplemented from QetGraphicsItem
diff --git a/sources/qetgraphicsitem/ViewItem/qetgraphicstableitem.h b/sources/qetgraphicsitem/ViewItem/qetgraphicstableitem.h
index 95f3219f0..300eed9fd 100644
--- a/sources/qetgraphicsitem/ViewItem/qetgraphicstableitem.h
+++ b/sources/qetgraphicsitem/ViewItem/qetgraphicstableitem.h
@@ -74,6 +74,12 @@ class QetGraphicsTableItem : public QetGraphicsItem
 		QetGraphicsTableItem *previousTable() const;
 		QetGraphicsTableItem *nextTable() const;
 		void setToMinimumHeight();
+		void initLink();
+		QUuid uuid() const {return m_uuid;}
+
+		QDomElement toXml(QDomDocument &dom_document) const;
+		void fromXml(const QDomElement &dom_element);
+		static QString xmlTagName() {return QString("graphics_table");}
 
 	protected:
 		virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *event) override;
@@ -103,7 +109,8 @@ class QetGraphicsTableItem : public QetGraphicsItem
 		int m_minimum_row_height;
 		int m_number_of_displayed_row = 0;
 		QSize m_current_size,
-			  m_old_size;
+			  m_old_size,
+			  m_pending_size;
 
 		int m_br_margin= 10;
 		QRectF m_bounding_rect;
@@ -115,6 +122,8 @@ class QetGraphicsTableItem : public QetGraphicsItem
 							 *m_next_table = nullptr;
 
 		QString m_name;
+		QUuid m_uuid = QUuid::createUuid(),
+			  m_pending_previous_table_uuid;
 };
 
 #endif // QetGraphicsTableItem_H
diff --git a/sources/qetgraphicsitem/dynamicelementtextitem.cpp b/sources/qetgraphicsitem/dynamicelementtextitem.cpp
index 2309da9d8..f887d005a 100644
--- a/sources/qetgraphicsitem/dynamicelementtextitem.cpp
+++ b/sources/qetgraphicsitem/dynamicelementtextitem.cpp
@@ -86,7 +86,7 @@ DynamicElementTextItem::DynamicElementTextItem()
  */
 QDomElement DynamicElementTextItem::toXml(QDomDocument &dom_doc) const
 {
-	QDomElement root_element = dom_doc.createElement(xmlTaggName());
+	QDomElement root_element = dom_doc.createElement(xmlTagName());
 	
 	root_element.setAttribute("x", QString::number(pos().x()));
 	root_element.setAttribute("y", QString::number(pos().y()));
@@ -153,7 +153,7 @@ QDomElement DynamicElementTextItem::toXml(QDomDocument &dom_doc) const
  */
 void DynamicElementTextItem::fromXml(const QDomElement &dom_elmt)
 {
-	if (dom_elmt.tagName() != xmlTaggName()) {
+	if (dom_elmt.tagName() != xmlTagName()) {
 		qDebug() << "DynamicElementTextItem::fromXml : Wrong tagg name";
 		return;
 	}
diff --git a/sources/qetgraphicsitem/dynamicelementtextitem.h b/sources/qetgraphicsitem/dynamicelementtextitem.h
index 643473dc0..0bdaf14c3 100644
--- a/sources/qetgraphicsitem/dynamicelementtextitem.h
+++ b/sources/qetgraphicsitem/dynamicelementtextitem.h
@@ -91,7 +91,7 @@ class DynamicElementTextItem : public DiagramTextItem
 		void setTextFrom (DynamicElementTextItem::TextFrom text_from);
 		QString text() const;
 		void setText(const QString &text);
-		static QString xmlTaggName() {return QString("dynamic_elmt_text");}
+		static QString xmlTagName() {return QString("dynamic_elmt_text");}
 		void setInfoName(const QString &info_name);
 		QString infoName() const;
 		void setCompositeText(const QString &text);
diff --git a/sources/qetgraphicsitem/element.cpp b/sources/qetgraphicsitem/element.cpp
index 400e5ce60..0871c6afc 100644
--- a/sources/qetgraphicsitem/element.cpp
+++ b/sources/qetgraphicsitem/element.cpp
@@ -555,7 +555,7 @@ DynamicElementTextItem *Element::parseDynamicText(const QDomElement &dom_element
 		//and the uuid (because the uuid, is the uuid of the descritpion and not the uuid of instantiated dynamic text field)
 	
 	QDomElement dom(dom_element.cloneNode(true).toElement());
-	dom.setTagName(DynamicElementTextItem::xmlTaggName());
+	dom.setTagName(DynamicElementTextItem::xmlTagName());
 	deti->fromXml(dom);
 	deti->m_uuid = QUuid::createUuid();
 	this->addDynamicTextItem(deti);
@@ -741,7 +741,7 @@ bool Element::fromXml(QDomElement &e, QHash<int, Terminal *> &table_id_adr, bool
 		//************************//
 		//***Dynamic texts item***//
 		//************************//
-    for (const QDomElement& qde : QET::findInDomElement(e, "dynamic_texts", DynamicElementTextItem::xmlTaggName()))
+	for (const QDomElement& qde : QET::findInDomElement(e, "dynamic_texts", DynamicElementTextItem::xmlTagName()))
     {
         DynamicElementTextItem *deti = new DynamicElementTextItem(this);
         addDynamicTextItem(deti);
diff --git a/sources/qetproject.cpp b/sources/qetproject.cpp
index cc7efe374..a31dc0f2f 100644
--- a/sources/qetproject.cpp
+++ b/sources/qetproject.cpp
@@ -1391,6 +1391,9 @@ void QETProject::readDiagramsXml(QDomDocument &xml_project)
 								 "Mise en place des références croisées"
 								 "</p>"));
 	}
+
+	m_data_base.updateDB(); //All diagrams and items are created we need to update the database
+
 	for(Diagram *d : diagrams())
 	{
 		if(dlgWaiting)
diff --git a/sources/qetxml.cpp b/sources/qetxml.cpp
index e088878f1..974a8a5f6 100644
--- a/sources/qetxml.cpp
+++ b/sources/qetxml.cpp
@@ -17,8 +17,10 @@
 */
 #include "qetxml.h"
 #include "nameslist.h"
+
 #include <QPen>
 #include <QDir>
+#include <QFont>
 
 /**
  * @brief QETXML::penToXml
@@ -72,8 +74,10 @@ QPen QETXML::penFromXml(const QDomElement &element)
 	else if (style == "DotLine")        pen.setStyle(Qt::DotLine);
 	else if (style == "DashDotLine")    pen.setStyle(Qt::DashDotLine);
 	else if (style == "DashDotDotLine") pen.setStyle(Qt::DashDotDotLine);
-	else if (style == "CustomDashLine") pen.setStyle(Qt::CustomDashLine),
-	pen.setDashPattern( QVector<qreal>() << 10 << 10 );
+	else if (style == "CustomDashLine") {
+		pen.setStyle(Qt::CustomDashLine);
+		pen.setDashPattern( QVector<qreal>() << 10 << 10 );
+	}
 	else                                pen.setStyle(Qt::DashLine);
 
 	pen.setColor(QColor(element.attribute("color", "#000000")));
@@ -274,3 +278,197 @@ QDomElement QETXML::textToDomElement(QDomDocument &document, const QString& tag_
 	element.appendChild(text);
 	return element;
 }
+
+/**
+ * @brief QETXML::directChild
+ * @param element
+ * @param tag_name
+ * @return All direct child of @element  with the tag name @tag_name
+ */
+QVector<QDomElement> QETXML::directChild(const QDomElement &element, const QString &tag_name)
+{
+	QVector<QDomElement> return_list;
+	for (QDomNode node = element.firstChild() ; !node.isNull() ; node = node.nextSibling())
+	{
+		if (!node.isElement()) continue;
+		QDomElement element = node.toElement();
+		if (element.isNull() || element.tagName() != tag_name) continue;
+		return_list << element;
+	}
+
+	return(return_list);
+}
+
+/**
+ * @brief QETXML::subChild
+ * @param element
+ * @param parent_tag_name
+ * @param children_tag_name
+ * @return When given an xml dom element @element,
+ * returns a vector of all children dom_elements tagged @children_tag_name
+ * nested in the parent dom elements tagged parent_tag_name, themselves children of the dom element @element.
+ */
+QVector<QDomElement> QETXML::subChild(const QDomElement &element, const QString parent_tag_name, const QString &children_tag_name)
+{
+	QVector<QDomElement> return_list;
+
+	for (QDomNode child = element.firstChild() ; !child.isNull() ; child = child.nextSibling())
+	{
+		QDomElement parents = child.toElement();
+		if (parents.isNull() || parents.tagName() != parent_tag_name)
+			continue;
+
+		for (QDomNode node_children = parents.firstChild() ; !node_children.isNull() ; node_children = node_children.nextSibling())
+		{
+			QDomElement n_children = node_children.toElement();
+			if (!n_children.isNull() && n_children.tagName() == children_tag_name)
+				return_list.append(n_children);
+		}
+	}
+
+	return(return_list);
+}
+
+/**
+ * @brief QETXML::marginsToXml
+ * Save a QMargins to xml. the xml tag name is 'margins'
+ * @param parent_document
+ * @param margins
+ * @return
+ */
+QDomElement QETXML::marginsToXml(QDomDocument &parent_document, const QMargins &margins)
+{
+	auto dom_ = parent_document.createElement("margins");
+	auto text_ = parent_document.createTextNode(QString::number(margins.left())  + QString(";") +
+												QString::number(margins.top())   + QString(";") +
+												QString::number(margins.right()) + QString(";") +
+												QString::number(margins.bottom()));
+	dom_.appendChild(text_);
+	return  dom_;
+}
+
+/**
+ * @brief QETXML::marginsFromXml
+ * @param element
+ * @return a QMargins from an xml description.
+ * The tag name must ne 'margins'
+ */
+QMargins QETXML::marginsFromXml(const QDomElement &element)
+{
+	if (element.tagName() != "margins") {
+		return QMargins();
+	}
+
+	auto margins_ = element.text().split(";");
+	if (margins_.size() == 4) {
+		return QMargins(margins_.at(0).toInt(), margins_.at(1).toInt(), margins_.at(2).toInt(), margins_.at(3).toInt());
+	} else {
+		return QMargins();
+	}
+}
+
+/**
+ * @brief QETXML::modelHeaderDataToXml
+ * Save to xml element all header data specified by @horizontal_section_role and @vertical_section_role
+ * @param parent_document
+ * @param model
+ * @param horizontal_section_role : key as header section and value as list of roles to save in xml
+ * @param vertical_section_role :key as header section and value as list of roles to save in xml
+ * @return
+ */
+QDomElement QETXML::modelHeaderDataToXml(QDomDocument &parent_document, const QAbstractItemModel *model, QHash<int, QList<int>> horizontal_section_role, QHash<int, QList<int>> vertical_section_role)
+{
+	auto dom_element = parent_document.createElement("header_data");
+
+	auto orientation_ = Qt::Horizontal;
+	auto data_hash = horizontal_section_role;
+	auto meta_enum_ori = QMetaEnum::fromType<Qt::Orientation>();
+	auto meta_enum_role = QMetaEnum::fromType<Qt::ItemDataRole>();
+
+		//Iterate twice, first for horizontal header and second to vertical header
+	while (true)
+	{
+		for (auto section : data_hash.keys())
+		{
+			for (auto role : data_hash.value(section))
+			{
+				auto variant = model->headerData(section, orientation_, role);
+				if (variant.isValid())
+				{
+					auto dom_data = parent_document.createElement("data");
+					dom_data.setAttribute("section", QString::number(section));
+					dom_data.setAttribute("orientation", meta_enum_ori.valueToKey(orientation_));
+					dom_data.setAttribute("role", meta_enum_role.valueToKey(role));
+
+					auto text_node = parent_document.createTextNode("");
+					if (role == Qt::DisplayRole || role == Qt::EditRole || role == Qt::ToolTipRole || role == Qt::StatusTipRole || role == Qt::WhatsThisRole)
+					{
+						text_node.setData(variant.toString());
+					}
+					else if (role == Qt::FontRole)
+					{
+						auto font = variant.value<QFont>();
+						text_node.setData(font.toString());
+					}
+					else if (role == Qt::TextAlignmentRole)
+					{
+						auto me = QMetaEnum::fromType<Qt::Alignment>();
+						text_node.setData(me.valueToKey(variant.toInt()));
+					}
+					dom_data.appendChild(text_node);
+					dom_element.appendChild(dom_data);
+				}
+			}
+		}
+
+		if(orientation_ == Qt::Vertical) {
+			break;
+		} else {
+			data_hash = vertical_section_role;
+			orientation_ = Qt::Vertical;
+		}
+	}
+
+	return dom_element;
+}
+
+/**
+ * @brief QETXML::modelHeaderDataFromXml
+ * Restore from xml modele header data
+ * @param element
+ * @param model
+ */
+void QETXML::modelHeaderDataFromXml(const QDomElement &element, QAbstractItemModel *model)
+{
+	if (element.tagName() != "header_data")
+		return;
+
+	auto meta_enum_orientation = QMetaEnum::fromType<Qt::Orientations>();
+	auto meta_enum_role        = QMetaEnum::fromType<Qt::ItemDataRole>();
+
+	for (auto child : QETXML::directChild(element, "data"))
+	{
+		auto section_ = child.attribute("section", "-1").toInt();
+		auto orientation_ = Qt::Orientation(meta_enum_orientation.keyToValue(child.attribute("orientation", "Horizontal").toStdString().data()));
+		auto role_ = meta_enum_role.keyToValue(child.attribute("role", "DisplayRole").toStdString().data());
+		auto text_ = child.text();
+		QVariant data_;
+
+		if (role_ == Qt::DisplayRole || role_ == Qt::EditRole || role_ == Qt::ToolTipRole || role_ == Qt::StatusTipRole || role_ == Qt::WhatsThisRole) {
+			data_ = text_;
+		}
+		else if (role_ == Qt::FontRole)
+		{
+			QFont font;
+			font.fromString(text_);
+			data_ = font;
+		}
+		else if (role_ == Qt::TextAlignmentRole)
+		{
+			auto me = QMetaEnum::fromType<Qt::Alignment>();
+			data_ = me.keyToValue(text_.toStdString().data());
+		}
+
+		model->setHeaderData(section_, orientation_, data_, role_);
+	}
+}
diff --git a/sources/qetxml.h b/sources/qetxml.h
index 3aaa1445e..4b0868839 100644
--- a/sources/qetxml.h
+++ b/sources/qetxml.h
@@ -1,4 +1,4 @@
-/*
+/*
         Copyright 2006-2019 The QElectroTech Team
         This file is part of QElectroTech.
 
@@ -24,6 +24,7 @@
 class QDomDocument;
 class QDir;
 class QFile;
+class QAbstractItemModel;
 
 /**
  *This namespace contain some function to use xml with QET.
@@ -42,6 +43,15 @@ namespace QETXML
 	bool writeXmlFile(const QDomDocument &xml_document, const QString &file_path, QString *error_message = nullptr);
 
 	QDomElement textToDomElement (QDomDocument &document, const QString& tag_name, const QString& value);
+
+	QVector <QDomElement> directChild(const QDomElement &element, const QString &tag_name);
+	QVector <QDomElement> subChild(const QDomElement &element, const QString parent_tag_name, const QString &children_tag_name);
+
+	QDomElement marginsToXml (QDomDocument &parent_document, const QMargins &margins);
+	QMargins marginsFromXml(const QDomElement &element);
+
+	QDomElement modelHeaderDataToXml(QDomDocument &parent_document, const QAbstractItemModel *model, QHash<int, QList<int>> horizontal_section_role, QHash<int, QList<int>> vertical_section_role);
+	void modelHeaderDataFromXml(const QDomElement &element, QAbstractItemModel *model);
 }
 
 #endif // QETXML_H