CSV export : correctly export label

sources/diagramevent/diagrameventaddelement.cpp

@@ -237,7 +237,7 @@ void DiagramEventAddElement::addElement()
 		if (m_diagram->freezeNewConductors() || m_diagram->project()->isFreezeNewConductors()) {
 			conductor->setFreezeLabel(true);
 		}
-	};
+    }
 
 	m_diagram -> undoStack().push(undo_object);
 	element->setUpFormula();

sources/qetgraphicsitem/dynamicelementtextitem.cpp

@@ -762,11 +762,13 @@ bool DynamicElementTextItem::sceneEventFilter(QGraphicsItem *watched, QEvent *ev
 void DynamicElementTextItem::elementInfoChanged()
 {
 	DiagramContext dc;
-	if(elementUseForInfo())
-		dc = elementUseForInfo()->elementInformations();
+	Element *element = elementUseForInfo();
+	if(element) {
+		dc = element->elementInformations();
+	}
 	
 	QString final_text;
-	Element *element = elementUseForInfo();
+
 
 	if (m_text_from == ElementInfo)
 	{
@@ -776,14 +778,14 @@ void DynamicElementTextItem::elementInfoChanged()
 		{
 			setupFormulaConnection();
 
-			if (dc.value("formula").toString().isEmpty())
-				final_text = dc.value(m_info_name).toString();
-			else
-				final_text = autonum::AssignVariables::formulaToLabel(dc.value("formula").toString(), element->rSequenceStruct(), element->diagram(), element);
+			if (element) {
+				final_text = element->actualLabel();
 			}
-		else
+		}
+		else {
 			final_text = dc.value(m_info_name).toString();
 		}
+	}
 	else if (m_text_from == CompositeText)
 	{
 			//If the composite have the label variable, we must to make some
@@ -1040,21 +1042,19 @@ void DynamicElementTextItem::updateLabel()
 		(m_text_from == CompositeText && m_composite_text.contains("%{label}")))
 	{
 		DiagramContext dc;
-		if(elementUseForInfo())
-			dc = elementUseForInfo()->elementInformations();
-		
         Element *element = elementUseForInfo();
-		
-		if(m_text_from == ElementInfo)
-		{
-			if(dc.value("formula").toString().isEmpty())
-				setPlainText(dc.value("label").toString());
-			else
-				setPlainText(autonum::AssignVariables::formulaToLabel(dc.value("formula").toString(), element->rSequenceStruct(), element->diagram(), element));
+        if(element) {
+            dc = element->elementInformations();
         }
-		else if (m_text_from == CompositeText)
+		
+
+        if(m_text_from == ElementInfo && element) {
+            setPlainText(element->actualLabel());
+		}
+        else if (m_text_from == CompositeText) {
 			setPlainText(autonum::AssignVariables::replaceVariable(m_composite_text, dc));
         }
+	}
 }
 
 /**
@@ -1172,7 +1172,7 @@ QString DynamicElementTextItem::reportReplacedCompositeText() const
 		{
 			Element *elmt = m_other_report.data();
 			QString label = m_report_formula;
-			label = autonum::AssignVariables::formulaToLabel(label, elmt->rSequenceStruct(), elmt->diagram(), elmt);
+            label = elmt->actualLabel();
 			string.replace("%{label}", label);
 		}
 		if (m_watched_conductor)

sources/qetgraphicsitem/element.cpp

@@ -1419,7 +1419,10 @@ QString Element::linkTypeToString() const
  */
 void Element::setElementInformations(DiagramContext dc)
 {
-	if (m_element_informations == dc) return;
+    if (m_element_informations == dc) {
+        return;
+    }
+
 	DiagramContext old_info = m_element_informations;
 	m_element_informations = dc;
 	emit elementInfoChange(old_info, m_element_informations);
@@ -1480,7 +1483,7 @@ void Element::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
  * @param e QGraphicsSceneHoverEvent
 */
 void Element::hoverEnterEvent(QGraphicsSceneHoverEvent *e) {
-	Q_UNUSED(e);
+    Q_UNUSED(e)
 
 	foreach (Element *elmt, linkedElements())
 		elmt -> setHighlighted(true);
@@ -1497,7 +1500,7 @@ void Element::hoverEnterEvent(QGraphicsSceneHoverEvent *e) {
  * @param e QGraphicsSceneHoverEvent
 */
 void Element::hoverLeaveEvent(QGraphicsSceneHoverEvent *e) {
-	Q_UNUSED(e);
+    Q_UNUSED(e)
 
 	foreach (Element *elmt, linkedElements())
 		elmt -> setHighlighted(false);
@@ -1536,8 +1539,7 @@ void Element::setUpFormula(bool code_letter)
 		if(!m_freeze_label && !formula.isEmpty())
 		{
 			DiagramContext dc = m_element_informations;
-			QString label = autonum::AssignVariables::formulaToLabel(formula, m_autoNum_seq, diagram(), this);
-			m_element_informations.addValue("label", label);
+            m_element_informations.addValue("label", actualLabel());
 			emit elementInfoChange(dc, m_element_informations);
 		}
 	}
@@ -1579,6 +1581,21 @@ void Element::freezeNewAddedElement() {
     else return;
 }
 
+/**
+ * @brief Element::actualLabel
+ * Always return the current label to be displayed.
+ * This function is usefull when label is based on formula, because label can change at any time.
+ * @return
+ */
+QString Element::actualLabel()
+{
+    if (m_element_informations.value("formula").toString().isEmpty()) {
+        return m_element_informations.value("label").toString();
+    } else {
+        return autonum::AssignVariables::formulaToLabel(m_element_informations.value("formula").toString(), m_autoNum_seq, diagram(), this);
+    }
+}
+
 /**
  * @brief Element::name
  * @return the human name of this element

sources/qetgraphicsitem/element.h

@@ -100,6 +100,7 @@ class Element : public QetGraphicsItem
 		void freezeLabel(bool freeze);
 		bool isFreezeLabel() const {return m_freeze_label;}
 		void freezeNewAddedElement();
+        QString actualLabel();
 		
 		QString name() const override;
 		ElementsLocation location() const;

sources/ui/bomexportdialog.cpp

@@ -426,6 +426,9 @@ QHash<QString, QString> BOMExportDialog::elementInfoToString(Element *elmt) cons
         else if (key == "designation_qty") {
             hash.insert(key, key);
         }
+        else if (key == "label") {
+            hash.insert(key, elmt->actualLabel());
+        }
         else {
             hash.insert(key, elmt->elementInformations()[keys_hash.value(key)].toString());
         }

sources/ui/linksingleelementwidget.cpp

@@ -220,16 +220,8 @@ void LinkSingleElementWidget::buildTree()
 			QStringList search_list;
 			QStringList str_list;
 
-			QString formula = elmt->elementInformations()["formula"].toString();
-			if(!formula.isEmpty())
-			{
-				str_list << autonum::AssignVariables::formulaToLabel(formula, elmt->rSequenceStruct(), elmt->diagram(), elmt);
-				search_list << str_list.last();
-			}
-			else
-			{
-				str_list << elmt->elementInformations()["label"].toString();
-				if(!str_list.last().isEmpty())
+            str_list << elmt->actualLabel();
+            if(!str_list.last().isEmpty()) {
                 search_list << str_list.last();
             }