diff --git a/sources/elementspanel.cpp b/sources/elementspanel.cpp
index d3c948c56..2ce21f83e 100644
--- a/sources/elementspanel.cpp
+++ b/sources/elementspanel.cpp
@@ -67,7 +67,10 @@ ElementsPanel::ElementsPanel(QWidget *parent) :
 	connect(this, &ElementsPanel::itemDoubleClicked, this, &ElementsPanel::slot_doubleClick);
 	connect(this, &GenericPanel::firstActivated, [this]() {QTimer::singleShot(250, this, SLOT(reload()));});
 	connect(this, &ElementsPanel::panelContentChanged, this, &ElementsPanel::panelContentChange);
-	
+
+		// manage signal itemClicked
+	connect(this, &ElementsPanel::itemClicked, this, &ElementsPanel::slot_clicked);
+
 		//Emit a signal instead au manage is own context menu
 	setContextMenuPolicy(Qt::CustomContextMenu);
 }
@@ -269,21 +272,28 @@ void ElementsPanel::reload()
 }
 
 /**
-	Gere le double-clic sur un element.
-	Si un double-clic sur un projet est effectue, le signal requestForProject
-	est emis.
-	Si un double-clic sur un schema est effectue, le signal requestForDiagram
-	est emis.
+	@brief ElementsPanel::slot_clicked
+	handle click on qtwi
+	@param qtwi item that was clickerd on
+*/
+void ElementsPanel::slot_clicked(QTreeWidgetItem *clickedItem, int) {
+
+	requestForItem(clickedItem);
+}
+
+/**
+	@brief ElementsPanel::slot_doubleClick
+	handle double click on qtwi
 	@param qtwi
 */
 void ElementsPanel::slot_doubleClick(QTreeWidgetItem *qtwi, int) {
 	int qtwi_type = qtwi -> type();
 	if (qtwi_type == QET::Project) {
-		QETProject *project = valueForItem<QETProject *>(qtwi);
-		emit(requestForProject(project));
+			// open project properties
+		emit(requestForProjectPropertiesEdition());
 	} else if (qtwi_type == QET::Diagram) {
-		Diagram *diagram = valueForItem<Diagram *>(qtwi);
-		diagram->showMe();
+			// open diagram properties
+		emit(requestForDiagramPropertiesEdition());
 	} else if (qtwi_type == QET::TitleBlockTemplate) {
 		TitleBlockTemplateLocation tbt = valueForItem<TitleBlockTemplateLocation>(qtwi);
 		emit(requestForTitleBlockTemplate(tbt));
@@ -455,3 +465,64 @@ void ElementsPanel::ensureHierarchyIsVisible(const QList<QTreeWidgetItem *> &ite
 		if (parent_qtwi -> isHidden()) parent_qtwi -> setHidden(false);
 	}
 }
+
+/**
+ * @brief ElementsPanel::syncTabBars
+ * set the project- or diagram Tab corresponding to
+ * the selection in the treeView
+ */
+void ElementsPanel::requestForItem(QTreeWidgetItem *clickedItem)
+{
+		// activate diagram
+	if(clickedItem->type() == QET::Diagram){
+		Diagram *diagram = valueForItem<Diagram *>(clickedItem);
+			// if we click on diagramItem in annother project we need the other project
+		emit(requestForProject(projectForItem(clickedItem->parent())));
+			// required for keyPressEvent
+			// after emit the focus is on the diagram editor, we put it back to elementsPanel
+		this->setFocus();
+			// activate diagram
+		diagram->showMe();
+	}
+		// activate project
+	else if(clickedItem->type() == QET::Project) {
+		QETProject *project = projectForItem(clickedItem);
+		emit(requestForProject(project));
+		this->setFocus();
+	}
+}
+
+/**
+ *   @brief ElementsPanel::keyPressEvent
+ *   @param event
+ */
+void ElementsPanel::keyPressEvent(QKeyEvent *event)
+{
+	switch (event->key())
+	{
+	case Qt::Key_Up:{
+			// check if there is another item abbove
+		if(!itemAbove(currentItem()))
+			break;
+
+		setCurrentItem(itemAbove(currentItem()));
+		if (currentItem()->type()==QET::Diagram || currentItem()->type()==QET::Project){
+			requestForItem(currentItem());
+		}
+		break;
+	}
+	case Qt::Key_Down:{
+			// check if there is another item below
+		if(!itemBelow(currentItem()))
+			break;
+
+		setCurrentItem(itemBelow(currentItem()));
+		if (currentItem()->type()==QET::Diagram || currentItem()->type()==QET::Project){
+			requestForItem(currentItem());
+		}
+		break;
+	}
+	default:
+		QTreeView::keyPressEvent(event);
+	}
+}
diff --git a/sources/elementspanel.h b/sources/elementspanel.h
index a82daa160..7aa1143e5 100644
--- a/sources/elementspanel.h
+++ b/sources/elementspanel.h
@@ -53,8 +53,13 @@ class ElementsPanel : public GenericPanel {
 	signals:
 	void requestForProject(QETProject *);
 	void requestForTitleBlockTemplate(const TitleBlockTemplateLocation &);
-	
+		// Signal to open the project properties
+	void requestForProjectPropertiesEdition();
+		// Signal to open the diagram properties
+	void requestForDiagramPropertiesEdition();
+
 	public slots:
+	void slot_clicked(QTreeWidgetItem *, int);
 	void slot_doubleClick(QTreeWidgetItem *, int);
 	void reload();
 	void filter(const QString &, QET::Filtering = QET::RegularFilter);
@@ -63,7 +68,9 @@ class ElementsPanel : public GenericPanel {
 	void buildFilterList();
 	void applyCurrentFilter(const QList<QTreeWidgetItem *> &);
 	void ensureHierarchyIsVisible(const QList<QTreeWidgetItem *> &);
-	
+	void requestForItem(QTreeWidgetItem *);
+	void keyPressEvent(QKeyEvent *event)override;
+
 	protected:
 	void startDrag(Qt::DropActions) override;
 	void startTitleBlockTemplateDrag(const TitleBlockTemplateLocation &);
diff --git a/sources/elementspanelwidget.cpp b/sources/elementspanelwidget.cpp
index 43b4b6958..464fb89d0 100644
--- a/sources/elementspanelwidget.cpp
+++ b/sources/elementspanelwidget.cpp
@@ -120,6 +120,12 @@ ElementsPanelWidget::ElementsPanelWidget(QWidget *parent) : QWidget(parent) {
 		SLOT(openTitleBlockTemplate(const TitleBlockTemplateLocation &))
 	);
 
+		// manage double click on TreeWidgetItem
+	connect(elements_panel, SIGNAL(requestForProjectPropertiesEdition()), this, SLOT(editProjectProperties()) );
+	connect(elements_panel, SIGNAL(requestForDiagramPropertiesEdition()), this, SLOT(editDiagramProperties()) );
+		// manage project activation
+	connect(elements_panel, SIGNAL(requestForProject(QETProject*)), this, SIGNAL(requestForProject(QETProject*)));
+
 	// disposition verticale
 	QVBoxLayout *vlayout = new QVBoxLayout(this);
 	vlayout -> setContentsMargins(0,0,0,0);