default color was wrong

sources/QetGraphicsItemModeler/qetgraphicshandleritem.h

@@ -53,7 +53,7 @@ class QetGraphicsHandlerItem : public QGraphicsItem
 		QRectF m_handler_rect,
 			   m_br;
 		qreal m_size;
-		QColor m_color;
+		QColor m_color{Qt::black};
 		QPen m_pen;
 		
 	public:

sources/borderproperties.cpp

@@ -25,22 +25,14 @@
 	Initializes a BorderProperties object
 	with the following default properties:
 	- 17 columns of 60.0 px wide by 20.0px high
-	- 8    lines of 80.0 px high by 20.0px wide
+	- 8	lines of 80.0 px high by 20.0px wide
 
 	\~French Initialise un objet BorderProperties avec les proprietes par
 	defaut suivantes :
 	- 17 colonnes affichees de 60.0 px de large pour 20.0px de haut
-	- 8    lignes affichees de 80.0 px de haut pour 20.0px de large
+	- 8	lignes affichees de 80.0 px de haut pour 20.0px de large
 */
-BorderProperties::BorderProperties() :
-	columns_count(17),
-	columns_width(60.0),
-	columns_header_height(20.0),
-	display_columns(true),
-	rows_count(8),
-	rows_height(80.0),
-	rows_header_width(20.0),
-	display_rows(true)
+BorderProperties::BorderProperties()
 {
 }
 
@@ -96,17 +88,21 @@ bool BorderProperties::operator!=(const BorderProperties &bp) {
 	XML element to which attributes will be added
 	\~French Element XML auquel seront ajoutes des attributs
 */
-void BorderProperties::toXml(QDomElement &e) const
-{
-	e.setAttribute("cols",        columns_count);
-	e.setAttribute("colsize",     QString("%1").arg(columns_width));
-	e.setAttribute("rows",        rows_count);
-	e.setAttribute("rowsize",     QString("%1").arg(rows_height));
-	e.setAttribute("displaycols", display_columns ? "true" : "false");
-	e.setAttribute("displayrows", display_rows    ? "true" : "false");
+QDomElement BorderProperties::toXml(QDomDocument &dom_doc) const {
+
+	QDomElement e = dom_doc.createElement("border");
+
+	e.appendChild(createXmlProperty(dom_doc, "cols", columns_count));
+	e.appendChild(createXmlProperty(dom_doc, "colsize", columns_width));
+	e.appendChild(createXmlProperty(dom_doc, "rows", rows_count));
+	e.appendChild(createXmlProperty(dom_doc, "rowsize", rows_height));
+	e.appendChild(createXmlProperty(dom_doc, "displayrows", display_rows));
+	e.appendChild(createXmlProperty(dom_doc, "displaycols", display_columns));
+
+	return e;
 }
 
-/**
+/**RETURNS True
 	@brief BorderProperties::fromXml
 	Import dimensions from XML attributes of element e
 	\~French Importe les dimensions a partir des attributs XML de l'element e
@@ -115,13 +111,29 @@ void BorderProperties::toXml(QDomElement &e) const
 	XML element whose attributes will be read
 	\~French Element XML dont les attributs seront lus
 */
-void BorderProperties::fromXml(QDomElement &e) {
-	if (e.hasAttribute("cols"))        columns_count   = e.attribute("cols").toInt();
-	if (e.hasAttribute("colsize"))     columns_width   = e.attribute("colsize").toInt();
-	if (e.hasAttribute("rows"))        rows_count      = e.attribute("rows").toInt();
-	if (e.hasAttribute("rowsize"))     rows_height     = e.attribute("rowsize").toInt();
-	if (e.hasAttribute("displaycols")) display_columns = e.attribute("displaycols") == "true";
-	if (e.hasAttribute("displayrows")) display_rows    = e.attribute("displayrows") == "true";
+bool BorderProperties::fromXml(const QDomElement &e) {
+
+	if (propertyInteger(e, "cols", &columns_count) == PropertyFlags::NoValidConversion ||
+		propertyDouble(e, "colsize", &columns_width) == PropertyFlags::NoValidConversion ||
+		propertyInteger(e, "rows", &rows_count) == PropertyFlags::NoValidConversion ||
+		propertyDouble(e, "rowsize", &rows_height) == PropertyFlags::NoValidConversion ||
+		propertyBool(e, "displaycols", &display_columns) == PropertyFlags::NoValidConversion ||
+		propertyBool(e, "displayrows", &display_rows) == PropertyFlags::NoValidConversion)
+		return false;
+
+	return true;
+}
+
+bool BorderProperties::valideXml(QDomElement& e) {
+
+	if (propertyInteger(e, "cols") == PropertyFlags::Success ||
+		propertyDouble(e, "colsize") == PropertyFlags::Success ||
+		propertyInteger(e, "rows") == PropertyFlags::Success ||
+		propertyDouble(e, "rowsize") == PropertyFlags::Success ||
+		propertyBool(e, "displaycols") == PropertyFlags::Success ||
+		propertyBool(e, "displayrows") == PropertyFlags::Success)
+		return true;
+	return false;
 }
 
 /**
@@ -138,11 +150,11 @@ void BorderProperties::fromXml(QDomElement &e) {
 */
 void BorderProperties::toSettings(QSettings &settings, const QString &prefix) const
 {
-	settings.setValue(prefix + "cols",        columns_count);
-	settings.setValue(prefix + "colsize",     columns_width);
+	settings.setValue(prefix + "cols",		columns_count);
+	settings.setValue(prefix + "colsize",	 columns_width);
 	settings.setValue(prefix + "displaycols", display_columns);
-	settings.setValue(prefix + "rows",        rows_count);
-	settings.setValue(prefix + "rowsize",     rows_height);
+	settings.setValue(prefix + "rows",		rows_count);
+	settings.setValue(prefix + "rowsize",	 rows_height);
 	settings.setValue(prefix + "displayrows", display_rows);
 }
 
@@ -156,13 +168,13 @@ void BorderProperties::toSettings(QSettings &settings, const QString &prefix) co
 	\~French prefixe a ajouter devant les noms des parametres
 */
 void BorderProperties::fromSettings(QSettings &settings, const QString &prefix) {
-	columns_count   = settings.value(prefix + "cols",            columns_count).toInt();
+	columns_count   = settings.value(prefix + "cols",			columns_count).toInt();
 	columns_width   = qRound(settings.value(prefix + "colsize",  columns_width).toDouble());
-	display_columns = settings.value(prefix + "displaycols",     display_columns).toBool();
+	display_columns = settings.value(prefix + "displaycols",	 display_columns).toBool();
 	
-	rows_count      = settings.value(prefix + "rows",            rows_count).toInt();
-	rows_height     = qRound(settings.value(prefix + "rowsize",  rows_height).toDouble());
-	display_rows    = settings.value(prefix + "displayrows",     display_rows).toBool();
+	rows_count	  = settings.value(prefix + "rows",			rows_count).toInt();
+	rows_height	 = qRound(settings.value(prefix + "rowsize",  rows_height).toDouble());
+	display_rows	= settings.value(prefix + "displayrows",	 display_rows).toBool();
 }
 
 /**

sources/borderproperties.h

@@ -20,13 +20,15 @@
 #include <QtCore>
 #include <QtXml>
 
+#include "propertiesinterface.h"
+
 /**
 	@brief The BorderProperties class
 	This class is a container for dimensions and display properties of a
 	diagram.
 	@remark Attributes are public
 */
-class BorderProperties {
+class BorderProperties : public PropertiesInterface {
 	public:
 		// constructor, destructor, operators
 		BorderProperties();
@@ -35,22 +37,23 @@ class BorderProperties {
 		bool operator==(const BorderProperties &);
 		bool operator!=(const BorderProperties &);
 	
-		void toXml(QDomElement &) const;
-		void fromXml(QDomElement &);
-		void toSettings(QSettings &, const QString & = QString()) const;
-		void fromSettings(QSettings &, const QString & = QString());
+		QDomElement toXml(QDomDocument &dom_doc) const override;
+		bool fromXml(const QDomElement &) override;
+		static bool valideXml(QDomElement& e);
+        void toSettings(QSettings &, const QString & = QString()) const override;
+        void fromSettings(QSettings &, const QString & = QString()) override;
 
 		static BorderProperties defaultProperties();
 	
 		// attributes
-		int columns_count;            ///< Columns count
-		qreal columns_width;          ///< Columns width
-		qreal columns_header_height;  ///< Column headers height
-		bool display_columns;         ///< Whether to display column headers
+		int columns_count{17};			///< Columns count
+		qreal columns_width{60.0};		  ///< Columns width
+		qreal columns_header_height{20.0};  ///< Column headers height
+		bool display_columns{true};		 ///< Whether to display column headers
 	
-		int rows_count;               ///< Rows count
-		qreal rows_height;            ///< Rows height
-		qreal rows_header_width;      ///< Row headers width
-		bool display_rows;            ///< Whether to display row headers
+		int rows_count{8};			   ///< Rows count
+		qreal rows_height{80.0};			///< Rows height
+		qreal rows_header_width{20.0};	  ///< Row headers width
+		bool display_rows{true};			///< Whether to display row headers
 };
 #endif

sources/bordertitleblock.cpp

@@ -86,14 +86,14 @@ QRectF BorderTitleBlock::titleBlockRect() const
 {
 	if (m_edge == Qt::BottomEdge)
 		return QRectF(diagram_rect_.bottomLeft(),
-			      QSize(diagram_rect_.width(),
-				    m_titleblock_template_renderer -> height()
-				    ));
+				  QSize(diagram_rect_.width(),
+					m_titleblock_template_renderer -> height()
+					));
 	else
 		return QRectF(diagram_rect_.topRight(),
-			      QSize(m_titleblock_template_renderer -> height(),
-				    diagram_rect_.height()
-				    ));
+				  QSize(m_titleblock_template_renderer -> height(),
+					diagram_rect_.height()
+					));
 }
 
 /**
@@ -124,9 +124,9 @@ QRectF BorderTitleBlock::titleBlockRectForQPainter() const
 		return titleBlockRect();
 	else
 		return QRectF (diagram_rect_.bottomRight(),
-			       QSize(diagram_rect_.height(),
-				     m_titleblock_template_renderer -> height()
-				     ));
+				   QSize(diagram_rect_.height(),
+					 m_titleblock_template_renderer -> height()
+					 ));
 
 }
 
@@ -150,9 +150,9 @@ QRectF BorderTitleBlock::columnsRect() const
 {
 	if (!display_columns_) return QRectF();
 	return QRectF (Diagram::margin,
-		       Diagram::margin,
-		       (columns_count_*columns_width_) + rows_header_width_,
-		       columns_header_height_);
+			   Diagram::margin,
+			   (columns_count_*columns_width_) + rows_header_width_,
+			   columns_header_height_);
 }
 
 /**
@@ -164,9 +164,9 @@ QRectF BorderTitleBlock::rowsRect() const
 {
 	if (!display_rows_) return QRectF();
 	return QRectF (Diagram::margin,
-		       Diagram::margin,
-		       rows_header_width_,
-		       (rows_count_*rows_height_) + columns_header_height_);
+			   Diagram::margin,
+			   rows_header_width_,
+			   (rows_count_*rows_height_) + columns_header_height_);
 }
 
 /**
@@ -177,9 +177,9 @@ QRectF BorderTitleBlock::rowsRect() const
 QRectF BorderTitleBlock::outsideBorderRect() const
 {
 	return QRectF (Diagram::margin,
-		       Diagram::margin,
-		       (columns_width_*columns_count_) + rows_header_width_,
-		       (rows_height_*rows_count_) + columns_header_height_);
+			   Diagram::margin,
+			   (columns_width_*columns_count_) + rows_header_width_,
+			   (rows_height_*rows_count_) + columns_header_height_);
 }
 
 /**
@@ -206,8 +206,8 @@ QRectF BorderTitleBlock::insideBorderRect() const
 	Exports the title block current values to XML.
 	@param xml_elmt the XML element attributes will be added to
 */
-void BorderTitleBlock::titleBlockToXml(QDomElement &xml_elmt) {
-	exportTitleBlock().toXml(xml_elmt);
+void BorderTitleBlock::titleBlockToXml(QDomElement& doc) {
+	exportTitleBlock().toXml(doc);
 }
 
 /**
@@ -227,12 +227,12 @@ void BorderTitleBlock::titleBlockFromXml(const QDomElement &xml_elmt) {
 	@param xml_elmt the XML element attributes will be added to
 */
 void BorderTitleBlock::borderToXml(QDomElement &xml_elmt) {
-	xml_elmt.setAttribute("cols",        columnsCount());
-	xml_elmt.setAttribute("colsize",     QString("%1").arg(columnsWidth()));
+	xml_elmt.setAttribute("cols",		columnsCount());
+	xml_elmt.setAttribute("colsize",	 QString("%1").arg(columnsWidth()));
 	xml_elmt.setAttribute("displaycols", columnsAreDisplayed() ? "true" : "false");
 
-	xml_elmt.setAttribute("rows",        rowsCount());
-	xml_elmt.setAttribute("rowsize",     QString("%1").arg(rowsHeight()));
+	xml_elmt.setAttribute("rows",		rowsCount());
+	xml_elmt.setAttribute("rowsize",	 QString("%1").arg(rowsHeight()));
 	xml_elmt.setAttribute("displayrows", rowsAreDisplayed() ? "true" : "false");
 
 	// attribut datant de la version 0.1 - laisse pour retrocompatibilite
@@ -499,9 +499,9 @@ void BorderTitleBlock::updateRectangles()
 {
 	QRectF previous_diagram = diagram_rect_;
 	diagram_rect_ = QRectF(Diagram::margin,
-			       Diagram::margin,
-			       diagramWidth(),
-			       diagramHeight());
+				   Diagram::margin,
+				   diagramWidth(),
+				   diagramHeight());
 	if (diagram_rect_ != previous_diagram)
 		emit(borderChanged(previous_diagram, diagram_rect_));
 }
@@ -553,14 +553,14 @@ void BorderTitleBlock::draw(QPainter *painter)
 			painter -> drawRect(numbered_rectangle);
 			if (settings.value("border-columns_0", true).toBool()){
 			painter -> drawText(numbered_rectangle,
-					    Qt::AlignVCenter
-					    | Qt::AlignCenter,
-					    QString("%1").arg(i - 1));
+						Qt::AlignVCenter
+						| Qt::AlignCenter,
+						QString("%1").arg(i - 1));
 			}else{
 			painter -> drawText(numbered_rectangle,
-					    Qt::AlignVCenter
-					    | Qt::AlignCenter,
-					    QString("%1").arg(i));
+						Qt::AlignVCenter
+						| Qt::AlignCenter,
+						QString("%1").arg(i));
 			}
 		}
 	}
@@ -581,9 +581,9 @@ void BorderTitleBlock::draw(QPainter *painter)
 			);
 			painter -> drawRect(lettered_rectangle);
 			painter -> drawText(lettered_rectangle,
-					    Qt::AlignVCenter
-					    | Qt::AlignCenter,
-					    row_string);
+						Qt::AlignVCenter
+						| Qt::AlignCenter,
+						row_string);
 			row_string = incrementLetters(row_string);
 		}
 	}
@@ -625,9 +625,9 @@ void BorderTitleBlock::drawDxf(
 {
 	// Transform to DXF scale.
 	columns_header_height_ *= Createdxf::yScale;
-	rows_height_           *= Createdxf::yScale;
-	rows_header_width_     *= Createdxf::xScale;
-	columns_width_         *= Createdxf::xScale;
+	rows_height_		   *= Createdxf::yScale;
+	rows_header_width_	 *= Createdxf::xScale;
+	columns_width_		 *= Createdxf::xScale;
 
 	// draw the empty box that appears as soon as there is a header
 	// dessine la case vide qui apparait des qu'il y a un entete
@@ -656,11 +656,11 @@ void BorderTitleBlock::drawDxf(
 		display_columns_) {
 	int offset = settings.value("border-columns_0", true).toBool() ? -1 : 0;
 		for (int i = 1 ; i <= columns_count_ ; ++ i) {
-	    double xCoord = diagram_rect_.topLeft().x() * Createdxf::xScale +
+		double xCoord = diagram_rect_.topLeft().x() * Createdxf::xScale +
 					(rows_header_width_ + ((i - 1) *
 					 columns_width_));
 			double yCoord = Createdxf::sheetHeight
-		    - diagram_rect_.topLeft().y()*Createdxf::yScale
+			- diagram_rect_.topLeft().y()*Createdxf::yScale
 					- columns_header_height_;
 			double recWidth = columns_width_;
 			double recHeight = columns_header_height_;
@@ -689,8 +689,8 @@ void BorderTitleBlock::drawDxf(
 		for (int i = 1 ; i <= rows_count_ ; ++ i) {
 			double xCoord = diagram_rect_.topLeft().x()
 					* Createdxf::xScale;
-	    double yCoord = Createdxf::sheetHeight
-		    - diagram_rect_.topLeft().y()
+		double yCoord = Createdxf::sheetHeight
+			- diagram_rect_.topLeft().y()
 					*Createdxf::yScale
 					- (
 						columns_header_height_
@@ -722,17 +722,17 @@ void BorderTitleBlock::drawDxf(
 		//qp -> translate(titleblock_rect_.topLeft());
 		QRectF rect = titleBlockRect();
 		m_titleblock_template_renderer -> renderDxf(rect,
-							    rect.width(),
-							    file_path,
-							    color);
+								rect.width(),
+								file_path,
+								color);
 		//qp -> translate(-titleblock_rect_.topLeft());
 	}
 
 	// Transform back to QET scale
 	columns_header_height_ /= Createdxf::yScale;
 	rows_height_		   /= Createdxf::yScale;
-	rows_header_width_     /= Createdxf::xScale;
-	columns_width_         /= Createdxf::xScale;
+	rows_header_width_	 /= Createdxf::xScale;
+	columns_width_		 /= Createdxf::xScale;
 
 }
 
@@ -852,7 +852,7 @@ void BorderTitleBlock::setRowsHeaderWidth(const qreal &new_rhw) {
 	\~ @param height :
 */
 void BorderTitleBlock::setDiagramHeight(const qreal &height) {
-	//          size of rows to use = rows_height
+	//		  size of rows to use = rows_height
 	// taille des lignes a utiliser = rows_height
 	setRowsCount(qRound(ceil(height / rows_height_)));
 }
@@ -870,7 +870,7 @@ DiagramPosition BorderTitleBlock::convertPosition(const QPointF &pos)
 		return (DiagramPosition("", 0));
 
 	QPointF relative_pos = pos - insideBorderRect().topLeft();
-	int row_number    = int(ceil(relative_pos.x() / columnsWidth()));
+	int row_number	= int(ceil(relative_pos.x() / columnsWidth()));
 	int column_number = int(ceil(relative_pos.y() / rowsHeight()));
 
 	QString letter = "A";
@@ -938,18 +938,18 @@ void BorderTitleBlock::updateDiagramContextForTitleBlock(
 	// ... overridden by the historical and/or dynamically generated fields
 	QLocale var;
 	var.dateFormat(QLocale::ShortFormat);
-	context.addValue("author",      btb_author_);
+	context.addValue("author",	  btb_author_);
 	context.addValue(
 		"date",
 		QLocale::system().toString(btb_date_, QLocale::ShortFormat));
-	context.addValue("title",       btb_title_);
-	context.addValue("filename",    btb_filename_);
-	context.addValue("plant",     btb_plant_);
-	context.addValue("locmach",     btb_locmach_);
-	context.addValue("indexrev",    btb_indexrev_);
-	context.addValue("version",     btb_version_);
-	context.addValue("folio",       btb_final_folio_);
-	context.addValue("folio-id",    folio_index_);
+	context.addValue("title",	   btb_title_);
+	context.addValue("filename",	btb_filename_);
+	context.addValue("plant",	 btb_plant_);
+	context.addValue("locmach",	 btb_locmach_);
+	context.addValue("indexrev",	btb_indexrev_);
+	context.addValue("version",	 btb_version_);
+	context.addValue("folio",	   btb_final_folio_);
+	context.addValue("folio-id",	folio_index_);
 	context.addValue("folio-total", folio_total_);
 	context.addValue("auto_page_num", btb_auto_page_num_);
 	context.addValue("previous-folio-num", m_previous_folio_num);
@@ -1020,7 +1020,7 @@ void BorderTitleBlock::setFolioData(
 		btb_final_folio_.replace("%autonum", autonum);
 		btb_folio_ = btb_final_folio_;
 	}
-	btb_final_folio_.replace("%id",    QString::number(folio_index_));
+	btb_final_folio_.replace("%id",	QString::number(folio_index_));
 	btb_final_folio_.replace("%total", QString::number(folio_total_));
 
 	updateDiagramContextForTitleBlock(project_properties);

sources/bordertitleblock.h

@@ -173,7 +173,7 @@ class BorderTitleBlock : public QObject
 		void setPreviousFolioNum(const QString &previous);
 		void setNextFolioNum(const QString &next);
 		
-		void titleBlockToXml(QDomElement &);
+		void titleBlockToXml(QDomElement &doc);
 		void titleBlockFromXml(const QDomElement &);
 		void borderToXml(QDomElement &);
 		void borderFromXml(const QDomElement &);
@@ -248,34 +248,34 @@ class BorderTitleBlock : public QObject
 	// attributes
 	private:
 		// titleblock basic data
-		QString btb_author_;        ///< titleblock author
-		QDate   btb_date_;          ///< titleblock date
-		QString btb_title_;         ///< titleblock title
-		QString btb_folio_;         ///< titleblock folio
-		QString btb_plant_;         ///< titleblock plant
-		QString btb_locmach_;       ///< titleblock locmach
-		QString btb_indexrev_;      ///< titleblock index rev
+		QString btb_author_;		///< titleblock author
+		QDate   btb_date_;		  ///< titleblock date
+		QString btb_title_;		 ///< titleblock title
+		QString btb_folio_;		 ///< titleblock folio
+		QString btb_plant_;		 ///< titleblock plant
+		QString btb_locmach_;	   ///< titleblock locmach
+		QString btb_indexrev_;	  ///< titleblock index rev
 		QString btb_final_folio_;   ///< titleblock final folio
 		QString btb_auto_page_num_; ///< titleblock auto page num
-		int folio_index_;           ///< titleblock index
-		int folio_total_;           ///< titleblock total
-		QString btb_filename_;      ///< titleblock filename
-		QString btb_version_;       ///< titleblock version
+		int folio_index_;		   ///< titleblock index
+		int folio_total_;		   ///< titleblock total
+		QString btb_filename_;	  ///< titleblock filename
+		QString btb_version_;	   ///< titleblock version
 		/// titleblock additional fields
 		DiagramContext additional_fields_;
-		Qt::Edge m_edge;              ///< titleblock edge
-		QString m_next_folio_num;     ///< titleblock next folio num
+		Qt::Edge m_edge;			  ///< titleblock edge
+		QString m_next_folio_num;	 ///< titleblock next folio num
 		QString m_previous_folio_num; ///< titleblock previous folio num
 	
 		// border dimensions (rows and columns)
 		// columns: number and dimensions
-		int columns_count_;           ///< columns count
-		qreal columns_width_;         ///< columns width
+		int columns_count_;		   ///< columns count
+		qreal columns_width_;		 ///< columns width
 		qreal columns_header_height_; ///< columns header height
 	
 		// rows: number and dimensions
-		int rows_count_;          ///< rows count
-		qreal rows_height_;       ///< rows height
+		int rows_count_;		  ///< rows count
+		qreal rows_height_;	   ///< rows height
 		qreal rows_header_width_; ///< rows header width
 	
 		// title block dimensions

sources/conductorproperties.cpp

@@ -23,11 +23,7 @@
 /**
 	Constructeur par defaut
 */
-SingleLineProperties::SingleLineProperties() :
-	hasGround(true),
-	hasNeutral(true),
-	is_pen(false),
-	phases(1)
+SingleLineProperties::SingleLineProperties()
 {
 }
 
@@ -123,9 +119,9 @@ void SingleLineProperties::draw(QPainter *painter,
 	@param size taille du segment
 */
 void SingleLineProperties::drawGround(QPainter *painter,
-				      QET::ConductorSegmentType direction,
-				      QPointF center,
-				      qreal size) {
+					  QET::ConductorSegmentType direction,
+					  QPointF center,
+					  qreal size) {
 	painter -> save();
 
 	// prepare le QPainter
@@ -215,12 +211,17 @@ void SingleLineProperties::drawPen(QPainter *painter,
 	ajoutes a l'element e.
 	@param e Element XML auquel seront ajoutes des attributs
 */
-void SingleLineProperties::toXml(QDomElement &e) const
-{
-	e.setAttribute("ground",  hasGround  ? "true" : "false");
-	e.setAttribute("neutral", hasNeutral ? "true" : "false");
-	e.setAttribute("phase",   phases);
-	if (isPen()) e.setAttribute("pen", "true");
+QDomElement SingleLineProperties::toXml(QDomDocument &doc) const {
+
+	QDomElement e = doc.createElement("SingleLine");
+	e.appendChild(createXmlProperty(doc, "ground", hasGround));
+	e.appendChild(createXmlProperty(doc, "neutral", hasNeutral));
+	e.appendChild(createXmlProperty(doc, "phase", phases));
+
+	if (isPen())
+		e.appendChild(createXmlProperty(doc, "pen", true));
+
+	return e;
 }
 
 /**
@@ -228,11 +229,36 @@ void SingleLineProperties::toXml(QDomElement &e) const
 	de l'element e
 	@param e Element XML dont les attributs seront lus
 */
-void SingleLineProperties::fromXml(QDomElement &e) {
-	hasGround  = e.attribute("ground")  == "true";
-	hasNeutral = e.attribute("neutral") == "true";
-	setPhasesCount(e.attribute("phase").toInt());
-	is_pen = (hasGround && hasNeutral && e.attribute("pen", "false") == "true");
+bool SingleLineProperties::fromXml(const QDomElement &e) {
+	if (propertyBool(e, "ground", &hasGround) != PropertyFlags::Success ||
+		propertyBool(e, "neutral", &hasNeutral) != PropertyFlags::Success)
+		return false;
+
+	int phase;
+	if (propertyInteger(e, "phase", &phase) != PropertyFlags::Success)
+		return false;
+	setPhasesCount(phase);
+
+	bool pen;
+	if (propertyBool(e, "pen", &pen) != PropertyFlags::Success)
+		return false;
+	is_pen = (hasGround && hasNeutral && pen);
+
+	return true;
+}
+
+bool SingleLineProperties::valideXml(QDomElement& e) {
+	if (propertyBool(e, "ground") != PropertyFlags::Success ||
+		propertyBool(e, "neutral") != PropertyFlags::Success)
+		return false;
+
+	if (propertyInteger(e, "phase") != PropertyFlags::Success)
+		return false;
+
+	if (propertyBool(e, "pen") != PropertyFlags::Success)
+		return false;
+
+	return true;
 }
 
 /**
@@ -266,116 +292,138 @@ ConductorProperties::~ConductorProperties()
 	Export conductor propertie, in the XML element 'e'
 	@param e the xml element
 */
-void ConductorProperties::toXml(QDomElement &e) const
+QDomElement ConductorProperties::toXml(QDomDocument& doc) const
 {
-	e.setAttribute("type", typeToString(type));
 
-	if (color != QColor(Qt::black))
-		e.setAttribute("color", color.name());
+	QDomElement e = doc.createElement("defaultconductor");
 
-	e.setAttribute("bicolor", m_bicolor? "true" : "false");
-	e.setAttribute("color2", m_color_2.name());
-	e.setAttribute("dash-size", QString::number(m_dash_size));
+	e.appendChild(createXmlProperty(doc, "type", typeToString(type)));
+	e.appendChild(createXmlProperty(doc, "color", color));
+
+	e.appendChild(createXmlProperty(doc, "bicolor", m_bicolor));
+	e.appendChild(createXmlProperty(doc, "color2", m_color_2));
+	e.appendChild(createXmlProperty(doc, "dash-size", m_dash_size));
 
 	if (type == Single)
-		singleLineProperties.toXml(e);
-
-	e.setAttribute("num", text);
-	e.setAttribute("text_color", text_color.name());
-	e.setAttribute("formula", m_formula);
-	e.setAttribute("cable", m_cable);
-	e.setAttribute("bus", m_bus);
-	e.setAttribute("function", m_function);
-	e.setAttribute("tension_protocol", m_tension_protocol);
-	e.setAttribute("conductor_color", m_wire_color);
-	e.setAttribute("conductor_section", m_wire_section);
-	e.setAttribute("numsize", QString::number(text_size));
-	e.setAttribute("condsize", QString::number(cond_size));
-	e.setAttribute("displaytext", m_show_text);
-	e.setAttribute("onetextperfolio", m_one_text_per_folio);
-	e.setAttribute("vertirotatetext", QString::number(verti_rotate_text));
-	e.setAttribute("horizrotatetext", QString::number(horiz_rotate_text));
+		e.appendChild(singleLineProperties.toXml(doc));
 
+	e.appendChild(createXmlProperty(doc, "num", text));
+	e.appendChild(createXmlProperty(doc, "text_color", text_color));
+	e.appendChild(createXmlProperty(doc, "formula", m_formula));
+	e.appendChild(createXmlProperty(doc, "function", m_function));
+	e.appendChild(createXmlProperty(doc, "tension_protocol", m_tension_protocol));
+	e.appendChild(createXmlProperty(doc, "conductor_color", m_wire_color));
+	e.appendChild(createXmlProperty(doc, "conductor_section", m_wire_section));
+	e.appendChild(createXmlProperty(doc, "numsize", text_size));
+	e.appendChild(createXmlProperty(doc, "condsize", cond_size));
+	e.appendChild(createXmlProperty(doc, "displaytext", m_show_text));
+	e.appendChild(createXmlProperty(doc, "onetextperfolio", m_one_text_per_folio));
+	e.appendChild(createXmlProperty(doc, "onetextperfolio", verti_rotate_text));
+	e.appendChild(createXmlProperty(doc, "horizrotatetext", horiz_rotate_text));
+// TODO: implement
+//e.setAttribute("cable", m_cable);
+// e.setAttribute("bus", m_bus);
 	QMetaEnum me = QMetaEnum::fromType<Qt::Alignment>();
-	e.setAttribute("horizontal-alignment", me.valueToKey(m_horizontal_alignment));
-	e.setAttribute("vertical-alignment", me.valueToKey(m_vertical_alignment));
+	e.appendChild(createXmlProperty(doc, "horizontal-alignment", me.valueToKey(m_horizontal_alignment)));
+	e.appendChild(createXmlProperty(doc, "vertical-alignment", me.valueToKey(m_vertical_alignment)));
 
 	QString conductor_style = writeStyle();
 	if (!conductor_style.isEmpty())
-		e.setAttribute("style", conductor_style);
+		e.appendChild(createXmlProperty(doc, "style", conductor_style));
+
+	return e;
 }
 
 
-/**
+/** RETURNS True
 	@brief ConductorProperties::fromXml
 	Import conductor propertie, from the attribute of the xml element 'e'
 	@param e the xml document
 */
-void ConductorProperties::fromXml(QDomElement &e)
+bool ConductorProperties::fromXml(const QDomElement &e)
 {
 		// get conductor color
-	QColor xml_color= QColor(e.attribute("color"));
-	color = (xml_color.isValid()? xml_color : QColor(Qt::black));
-
-	QString bicolor_str = e.attribute("bicolor", "false");
-	m_bicolor = bicolor_str == "true"? true : false;
-
-	QColor xml_color_2 = QColor(e.attribute("color2"));
-	m_color_2 = xml_color_2.isValid()? xml_color_2 : QColor(Qt::black);
-
-	m_dash_size = e.attribute("dash-size", QString::number(1)).toInt();
+	propertyColor(e, "color", &color);
+	propertyBool(e, "bicolor", &m_bicolor);
+	propertyColor(e, "color2", &m_color_2);
+	propertyInteger(e, "dash-size", &m_dash_size);
 
 		// read style of conductor
-	readStyle(e.attribute("style"));
+	QString style_string;
+	propertyString(e, "style", &style_string);
+	readStyle(style_string);
 
-	if (e.attribute("type") == typeToString(Single))
+	QString type_t;
+	if (propertyString(e, "type", &type_t) == PropertyFlags::Success) {
+		if (type_t == typeToString(Single))
 	{
 			// get specific properties for single conductor
 		singleLineProperties.fromXml(e);
 		type = Single;
 	}
-	else
+		else if (type_t == typeToString(Multi))
 		type = Multi;
+		else {
+			//Keep retrocompatible with version older than 0,4
+			//If the propertie @type is simple (removed since QET 0,4), we set text no visible.
+			//@TODO remove this code for qet 0.6 or later
 
-	text                 = e.attribute("num");
+			if (type_t == "simple") m_show_text = false;
+		}
+	}
+
+	propertyString(e, "num", &text);
+	// TODO: implement:
+	//m_cable			  = e.attribute("cable");
+	//m_bus				= e.attribute("bus");
 	// get text color
-	QColor xml_text_color= QColor(e.attribute("text_color"));
-	text_color = (xml_text_color.isValid()? xml_text_color : QColor(Qt::black));
-	m_formula            = e.attribute("formula");
-	m_cable              = e.attribute("cable");
-	m_bus                = e.attribute("bus");
-	m_function           = e.attribute("function");
-	m_tension_protocol   = e.attribute("tension_protocol");
-	m_wire_color         = e.attribute("conductor_color");
-	m_wire_section       = e.attribute("conductor_section");
-	text_size            = e.attribute("numsize", QString::number(9)).toInt();
-	cond_size            = e.attribute("condsize", QString::number(1)).toDouble();
-	m_show_text          = e.attribute("displaytext", QString::number(1)).toInt();
-	m_one_text_per_folio = e.attribute("onetextperfolio", QString::number(0)).toInt();
-	verti_rotate_text    = e.attribute("vertirotatetext").toDouble();
-	horiz_rotate_text    = e.attribute("horizrotatetext").toDouble();
+	propertyColor(e, "text_color", &text_color);
+	propertyString(e, "formula", &m_formula);
+	propertyString(e, "function", &m_function);
+	propertyString(e, "tension_protocol", &m_tension_protocol);
+	propertyString(e, "conductor_color", &m_wire_color);
+	propertyString(e, "conductor_section", &m_wire_section);
+	propertyInteger(e, "numsize", &text_size);
+	propertyDouble(e, "condsize", &cond_size);
+	propertyBool(e, "displaytext", &m_show_text);
+	propertyBool(e, "onetextperfolio", &m_one_text_per_folio);
+	propertyDouble(e, "vertirotatetext", &verti_rotate_text);
+	propertyDouble(e, "horizrotatetext", &horiz_rotate_text);
 
 	QMetaEnum me = QMetaEnum::fromType<Qt::Alignment>();
-	m_horizontal_alignment = Qt::Alignment(
-				me.keyToValue(
-					e.attribute(
-						"horizontal-alignment",
-						"AlignBottom"
-						).toStdString().data()));
-	m_vertical_alignment = Qt::Alignment(
-				me.keyToValue(
-					e.attribute(
-						"vertical-alignment",
-						"AlignRight"
-						).toStdString().data()));
 
-	//Keep retrocompatible with version older than 0,4
-	//If the propertie @type is simple (removed since QET 0,4), we set text no visible.
-	//@TODO remove this code for qet 0.6 or later
-#if TODO_LIST
-#pragma message("@TODO remove this code for qet 0.6 or later")
-#endif
-	if (e.attribute("type") == "simple") m_show_text = false;
+	QString alinment_temp;
+	if (propertyString(e, "horizontal-alignment", &alinment_temp) == PropertyFlags::Success)
+		m_horizontal_alignment = Qt::Alignment(me.keyToValue(alinment_temp.toStdString().data()));
+	if (propertyString(e, "vertical-alignment", &alinment_temp) == PropertyFlags::Success)
+		m_vertical_alignment = Qt::Alignment(me.keyToValue(alinment_temp.toStdString().data()));
+
+	return true;
+}
+
+bool ConductorProperties::valideXml(QDomElement& e) {
+	if (propertyColor(e, "color") ||
+		propertyBool(e, "bicolor") ||
+		propertyColor(e, "color2") ||
+		propertyInteger(e, "dash-size") ||
+		propertyString(e, "type") ||
+		propertyString(e, "num") ||
+		propertyColor(e, "text_color") ||
+		propertyString(e, "formula") ||
+		propertyString(e, "function") ||
+		propertyString(e, "tension_protocol") ||
+		propertyString(e, "conductor_color") ||
+		propertyString(e, "conductor_section") ||
+		propertyInteger(e, "numsize") ||
+		propertyDouble(e, "condsize") ||
+		propertyBool(e, "displaytext") ||
+		propertyBool(e, "onetextperfolio") ||
+		propertyDouble(e, "vertirotatetext") ||
+		propertyDouble(e, "horizrotatetext") ||
+		propertyString(e, "horizontal-alignment") ||
+		propertyString(e, "vertical-alignment"))
+		return false;
+	return true;
 }
 
 /**
@@ -433,22 +481,22 @@ void ConductorProperties::fromSettings(QSettings &settings, const QString &prefi
 
 	singleLineProperties.fromSettings(settings, prefix);
 
-	text                 = settings.value(prefix + "text", "_").toString();
+	text				 = settings.value(prefix + "text", "_").toString();
 	QColor settings_text_color = QColor(settings.value(prefix + "text_color").toString());
 	text_color = (settings_text_color.isValid()? settings_text_color : QColor(Qt::black));
-	m_formula            = settings.value(prefix + "formula", "").toString();
-	m_cable              = settings.value(prefix + "cable", "").toString();
-	m_bus                = settings.value(prefix + "bus", "").toString();
-	m_function           = settings.value(prefix + "function", "").toString();
+	m_formula			= settings.value(prefix + "formula", "").toString();
+	m_cable			  = settings.value(prefix + "cable", "").toString();
+	m_bus				= settings.value(prefix + "bus", "").toString();
+	m_function		   = settings.value(prefix + "function", "").toString();
 	m_tension_protocol   = settings.value(prefix + "tension_protocol", "").toString();
-	m_wire_color         = settings.value(prefix + "conductor_color", "").toString();
-	m_wire_section       = settings.value(prefix + "conductor_section", "").toString();
-	text_size            = settings.value(prefix + "textsize", "7").toInt();
-	cond_size            = settings.value(prefix + "size", "1").toInt();
-	m_show_text          = settings.value(prefix + "displaytext", true).toBool();
+	m_wire_color		 = settings.value(prefix + "conductor_color", "").toString();
+	m_wire_section	   = settings.value(prefix + "conductor_section", "").toString();
+	text_size			= settings.value(prefix + "textsize", "7").toInt();
+	cond_size			= settings.value(prefix + "size", "1").toInt();
+	m_show_text		  = settings.value(prefix + "displaytext", true).toBool();
 	m_one_text_per_folio = settings.value(prefix + "onetextperfolio", false).toBool();
-	verti_rotate_text    = settings.value((prefix + "vertirotatetext"), "270").toDouble();
-	horiz_rotate_text    = settings.value((prefix + "horizrotatetext"), "0").toDouble();
+	verti_rotate_text	= settings.value((prefix + "vertirotatetext"), "270").toDouble();
+	horiz_rotate_text	= settings.value((prefix + "horizrotatetext"), "0").toDouble();
 
 	QMetaEnum me = QMetaEnum::fromType<Qt::Alignment>();
 	m_horizontal_alignment = Qt::Alignment(me.keyToValue(settings.value(prefix + "horizontal-alignment", "AlignBottom").toString().toStdString().data()));
@@ -486,25 +534,25 @@ void ConductorProperties::applyForEqualAttributes(QList<ConductorProperties> lis
 	if (clist.size() == 1)
 	{
 		ConductorProperties cp = clist.first();
-		color                = cp.color;
-		m_bicolor            = cp.m_bicolor;
-		m_color_2            = cp.m_color_2;
-		m_dash_size          = cp.m_dash_size;
-		text                 = cp.text;
-		text_color           = cp.text_color;
-		m_formula            = cp.m_formula;
-		m_cable              = cp.m_cable;
-		m_bus                = cp.m_bus;
-		m_function           = cp.m_function;
+		color				= cp.color;
+		m_bicolor			= cp.m_bicolor;
+		m_color_2			= cp.m_color_2;
+		m_dash_size		  = cp.m_dash_size;
+		text				 = cp.text;
+		text_color		   = cp.text_color;
+		m_formula			= cp.m_formula;
+		m_cable			  = cp.m_cable;
+		m_bus				= cp.m_bus;
+		m_function		   = cp.m_function;
 		m_tension_protocol   = cp.m_tension_protocol;
-		m_wire_color         = cp.m_wire_color;
-		m_wire_section       = cp.m_wire_section;
-		text_size            = cp.text_size;
-		cond_size            = cp.cond_size;
-		m_show_text          = cp.m_show_text;
+		m_wire_color		 = cp.m_wire_color;
+		m_wire_section	   = cp.m_wire_section;
+		text_size			= cp.text_size;
+		cond_size			= cp.cond_size;
+		m_show_text		  = cp.m_show_text;
 		m_one_text_per_folio = cp.m_one_text_per_folio;
-		verti_rotate_text    = cp.verti_rotate_text;
-		horiz_rotate_text    = cp.horiz_rotate_text;
+		verti_rotate_text	= cp.verti_rotate_text;
+		horiz_rotate_text	= cp.horiz_rotate_text;
 		m_vertical_alignment = cp.m_vertical_alignment;
 		m_horizontal_alignment = cp.m_horizontal_alignment;
 
@@ -842,7 +890,7 @@ void ConductorProperties::readStyle(const QString &style_string) {
 		if (!match.hasMatch())
 		{
 			qDebug()<<"no Match"
-			       <<style_str;
+				   <<style_str;
 		} else {
 			QString style_name = match.captured("name");
 			QString style_value = match.captured("value");
@@ -902,12 +950,12 @@ int SingleLineProperties::operator!=(const SingleLineProperties &other) const
 	@param prefix prefix a ajouter devant les noms des parametres
 */
 void SingleLineProperties::toSettings(QSettings &settings,
-				      const QString &prefix) const
+					  const QString &prefix) const
 {
 	settings.setValue(prefix + "hasGround",  hasGround);
 	settings.setValue(prefix + "hasNeutral", hasNeutral);
-	settings.setValue(prefix + "phases",     phases);
-	settings.setValue(prefix + "pen",        is_pen);
+	settings.setValue(prefix + "phases",	 phases);
+	settings.setValue(prefix + "pen",		is_pen);
 }
 
 /**
@@ -918,6 +966,6 @@ void SingleLineProperties::fromSettings(QSettings &settings,
 					const QString &prefix) {
 	hasGround  = settings.value(prefix + "hasGround",  true).toBool();
 	hasNeutral = settings.value(prefix + "hasNeutral", true).toBool();
-	phases     = settings.value(prefix + "phases",     1).toInt();
-	is_pen     = settings.value(prefix + "pen",        false).toBool();
+	phases	 = settings.value(prefix + "phases",	 1).toInt();
+	is_pen	 = settings.value(prefix + "pen",		false).toBool();
 }

sources/conductorproperties.h

@@ -22,13 +22,15 @@
 #include <QColor>
 #include <QSettings>
 
+#include "propertiesinterface.h"
+
 class QPainter;
 
 /**
 	@brief The SingleLineProperties class
 	This class represents the properties of a singleline conductor.
 */
-class SingleLineProperties {
+class SingleLineProperties: public PropertiesInterface {
 	public:
 	SingleLineProperties();
 	virtual ~SingleLineProperties();
@@ -37,23 +39,24 @@ class SingleLineProperties {
 	unsigned short int phasesCount();
 	bool isPen() const;
 	void draw(QPainter *, QET::ConductorSegmentType, const QRectF &);
-	void toXml(QDomElement &) const;
-	void fromXml(QDomElement &);
+	QDomElement toXml(QDomDocument& doc) const override;
+	bool fromXml(const QDomElement &) override;
+	static bool valideXml(QDomElement& element);
 	void toSettings(QSettings &, const QString & = QString()) const;
 	void fromSettings(QSettings &, const QString & = QString());
 
 	/// Whether the singleline conductor should display the ground symbol
-	bool hasGround;
+	bool hasGround{true};
 	/// Whether the singleline conductor should display the neutral symbol
-	bool hasNeutral;
+	bool hasNeutral{true};
 	/// Protective Earth Neutral: visually merge neutral and ground
-	bool is_pen;
+	bool is_pen{false};
 
 	int operator==(const SingleLineProperties &) const;
 	int operator!=(const SingleLineProperties &) const;
 
 	private:
-	unsigned short int phases;
+	unsigned short int phases{1};
 	void drawGround (QPainter *, QET::ConductorSegmentType, QPointF, qreal);
 	void drawNeutral(QPainter *, QPointF, qreal);
 	void drawPen(QPainter *, QET::ConductorSegmentType, QPointF, qreal);
@@ -64,7 +67,7 @@ class SingleLineProperties {
 	This class represents the functional properties of a particular conductor,
 	i.e. properties other than path and terminals.
 */
-class ConductorProperties
+class ConductorProperties: public PropertiesInterface
 {
 	public:
 		ConductorProperties();
@@ -80,12 +83,12 @@ class ConductorProperties
 
 
 		//Attributes
-		ConductorType type;
+		ConductorType type{ConductorType::Single};
 
-		QColor
-		color,
-		m_color_2,
-		text_color;
+		// TODO: set default values!
+		QColor		color{QColor(Qt::black)},
+				m_color_2{QColor(Qt::black)},
+				text_color{QColor(Qt::black)};
 
 		QString
 		text,
@@ -97,33 +100,32 @@ class ConductorProperties
 		m_bus,
 		m_cable;
 
-		int
-		text_size,
+        int text_size{9},
 		m_dash_size = 1;
 
-		double
-		cond_size,
+            double
+        cond_size{1},
 		verti_rotate_text,
 		horiz_rotate_text;
 
-		bool
-		m_show_text,
-		m_one_text_per_folio,
+		bool	m_show_text{true},
+				m_one_text_per_folio{true},
 		m_bicolor = false;
 
 		Qt::Alignment 
 		m_horizontal_alignment = Qt::AlignBottom,        
 		m_vertical_alignment = Qt::AlignRight;
 
-		Qt::PenStyle style;
+		Qt::PenStyle style{Qt::PenStyle::SolidLine};
 
 		SingleLineProperties singleLineProperties;
 
 		// methods
-		void toXml(QDomElement &) const;
-		void fromXml(QDomElement &);
-		void toSettings(QSettings &, const QString & = QString()) const;
-		void fromSettings(QSettings &, const QString & = QString());
+		QDomElement toXml(QDomDocument &doc) const override;
+		bool fromXml(const QDomElement &) override;
+		static bool valideXml(QDomElement& element);
+        void toSettings(QSettings &, const QString & = QString()) const override;
+        void fromSettings(QSettings &, const QString & = QString()) override;
 		static QString typeToString(ConductorType);
 		void applyForEqualAttributes(QList<ConductorProperties> list);
 

sources/diagram.cpp

@@ -62,11 +62,11 @@ QColor		Diagram::background_color = Qt::white;
 	@param project : The project of this diagram and also parent QObject
 */
 Diagram::Diagram(QETProject *project) :
-	QGraphicsScene           (project),
-	m_project                 (project),
-	draw_grid_               (true),
-	use_border_              (true),
-	draw_terminals_          (true),
+	QGraphicsScene		   (project),
+	m_project				 (project),
+	draw_grid_			   (true),
+	use_border_			  (true),
+	draw_terminals_		  (true),
 	draw_colored_conductors_ (true),
 	m_event_interface (nullptr),
 	m_freeze_new_elements   (false),
@@ -178,7 +178,7 @@ void Diagram::drawBackground(QPainter *p, const QRectF &r) {
 			 */
 		QPen pen;
 		Diagram::background_color == Qt::black? pen.setColor(Qt::white)
-						      : pen.setColor(Qt::black);
+							  : pen.setColor(Qt::black);
 		pen.setCosmetic(true);
 		p->setPen(pen);
 
@@ -324,9 +324,9 @@ void Diagram::keyPressEvent(QKeyEvent *event)
 {
 	QSettings settings;
 	int xKeyGrid = settings.value("diagrameditor/key_Xgrid",
-				      Diagram::xKeyGrid).toInt();
+					  Diagram::xKeyGrid).toInt();
 	int yKeyGrid = settings.value("diagrameditor/key_Ygrid",
-				      Diagram::yKeyGrid).toInt();
+					  Diagram::yKeyGrid).toInt();
 	int xKeyGridFine = settings.value("diagrameditor/key_fine_Xgrid",
 					  Diagram::xKeyGridFine).toInt();
 	int yKeyGridFine = settings.value("diagrameditor/key_fine_Ygrid",
@@ -581,9 +581,9 @@ void Diagram::setConductorsAutonumName(const QString &name) {
 	@return Une QImage representant le schema
 */
 bool Diagram::toPaintDevice(QPaintDevice &pix,
-			    int width,
-			    int height,
-			    Qt::AspectRatioMode aspectRatioMode) {
+				int width,
+				int height,
+				Qt::AspectRatioMode aspectRatioMode) {
 	// determine the source area = schema content + margins
 	// determine la zone source =  contenu du schema + marges
 	QRectF source_area;
@@ -630,9 +630,9 @@ bool Diagram::toPaintDevice(QPaintDevice &pix,
 	// renders itself
 	// effectue le rendu lui-meme
 	render(&p,
-	       QRect(QPoint(0, 0),image_size),
-	       source_area,
-	       aspectRatioMode);
+		   QRect(QPoint(0, 0),image_size),
+		   source_area,
+		   aspectRatioMode);
 	p.end();
 
 	// restore selected items
@@ -735,29 +735,28 @@ QDomDocument Diagram::toXml(bool whole_content) {
 	// schema properties
 	// proprietes du schema
 	if (whole_content) {
+		// TODO: compare with old version
 		border_and_titleblock.titleBlockToXml(dom_root);
 		border_and_titleblock.borderToXml(dom_root);
 
 		// Default conductor properties
-		QDomElement default_conductor =
+		dom_root.appendChild(defaultConductorProperties.toXml(document));
 				document.createElement("defaultconductor");
-		defaultConductorProperties.toXml(default_conductor);
-		dom_root.appendChild(default_conductor);
 
 		// Conductor autonum
 		if (!m_conductors_autonum_name.isEmpty()) {
 			dom_root.setAttribute("conductorAutonum",
-					      m_conductors_autonum_name);
+						  m_conductors_autonum_name);
 		}
 
 		//Default New Element
 		dom_root.setAttribute("freezeNewElement",
-				      m_freeze_new_elements ? "true" : "false");
+					  m_freeze_new_elements ? "true" : "false");
 
 		//Default New Conductor
 		dom_root.setAttribute("freezeNewConductor",
-				      m_freeze_new_conductors_
-				      ? "true" : "false");
+					  m_freeze_new_conductors_
+					  ? "true" : "false");
 
 		//Element Folio Sequential Variables
 		if (!m_elmt_unitfolio_max.isEmpty()
@@ -771,10 +770,10 @@ QDomDocument Diagram::toXml(bool whole_content) {
 						document.createElement(
 							"elementunitfolioseq");
 				folioSequentialsToXml(&m_elmt_unitfolio_max,
-						      &elmtfolioseq,
-						      "sequf_",
-						      "unitfolioseq",
-						      &document);
+							  &elmtfolioseq,
+							  "sequf_",
+							  "unitfolioseq",
+							  &document);
 				elmtfoliosequential.appendChild(elmtfolioseq);
 			}
 			if (!m_elmt_tenfolio_max.isEmpty()) {
@@ -782,10 +781,10 @@ QDomDocument Diagram::toXml(bool whole_content) {
 						document.createElement(
 							"elementtenfolioseq");
 				folioSequentialsToXml(&m_elmt_tenfolio_max,
-						      &elmtfolioseq,
-						      "seqtf_",
-						      "tenfolioseq",
-						      &document);
+							  &elmtfolioseq,
+							  "seqtf_",
+							  "tenfolioseq",
+							  &document);
 				elmtfoliosequential.appendChild(elmtfolioseq);
 			}
 			if (!m_elmt_hundredfolio_max.isEmpty()) {
@@ -793,10 +792,10 @@ QDomDocument Diagram::toXml(bool whole_content) {
 						document.createElement(
 							"elementhundredfolioseq");
 				folioSequentialsToXml(&m_elmt_hundredfolio_max,
-						      &elmtfolioseq,
-						      "seqhf_",
-						      "hundredfolioseq",
-						      &document);
+							  &elmtfolioseq,
+							  "seqhf_",
+							  "hundredfolioseq",
+							  &document);
 				elmtfoliosequential.appendChild(elmtfolioseq);
 			}
 			dom_root.appendChild(elmtfoliosequential);
@@ -814,10 +813,10 @@ QDomDocument Diagram::toXml(bool whole_content) {
 						document.createElement(
 							"conductorunitfolioseq");
 				folioSequentialsToXml(&m_cnd_unitfolio_max,
-						      &cndfolioseq,
-						      "sequf_",
-						      "unitfolioseq",
-						      &document);
+							  &cndfolioseq,
+							  "sequf_",
+							  "unitfolioseq",
+							  &document);
 				cndfoliosequential.appendChild(cndfolioseq);
 			}
 			if (!m_cnd_tenfolio_max.isEmpty()) {
@@ -825,10 +824,10 @@ QDomDocument Diagram::toXml(bool whole_content) {
 						document.createElement(
 							"conductortenfolioseq");
 				folioSequentialsToXml(&m_cnd_tenfolio_max,
-						      &cndfolioseq,
-						      "seqtf_",
-						      "tenfolioseq",
-						      &document);
+							  &cndfolioseq,
+							  "seqtf_",
+							  "tenfolioseq",
+							  &document);
 				cndfoliosequential.appendChild(cndfolioseq);
 			}
 			if (!m_cnd_hundredfolio_max.isEmpty()) {
@@ -836,10 +835,10 @@ QDomDocument Diagram::toXml(bool whole_content) {
 						document.createElement(
 							"conductorhundredfolioseq");
 				folioSequentialsToXml(&m_cnd_hundredfolio_max,
-						      &cndfolioseq,
-						      "seqhf_",
-						      "hundredfolioseq",
-						      &document);
+							  &cndfolioseq,
+							  "seqhf_",
+							  "hundredfolioseq",
+							  &document);
 				cndfoliosequential.appendChild(cndfolioseq);
 			}
 			dom_root.appendChild(cndfoliosequential);
@@ -916,13 +915,11 @@ QDomDocument Diagram::toXml(bool whole_content) {
 
 	// correspondence table between the addresses of the terminals and their ids
 	// table de correspondance entre les adresses des bornes et leurs ids
-	QHash<Terminal *, int> table_adr_id;
 
 	if (!list_elements.isEmpty()) {
 		auto dom_elements = document.createElement("elements");
 		for (auto elmt : list_elements) {
-			dom_elements.appendChild(elmt->toXml(document,
-							     table_adr_id));
+			dom_elements.appendChild(elmt->toXml(document));
 		}
 		dom_root.appendChild(dom_elements);
 	}
@@ -930,8 +927,7 @@ QDomDocument Diagram::toXml(bool whole_content) {
 	if (!list_conductors.isEmpty()) {
 		auto dom_conductors = document.createElement("conductors");
 		for (auto cond : list_conductors) {
-			dom_conductors.appendChild(cond->toXml(document,
-							       table_adr_id));
+			dom_conductors.appendChild(cond->toXml(document));
 		}
 		dom_root.appendChild(dom_conductors);
 	}
@@ -981,18 +977,18 @@ QDomDocument Diagram::toXml(bool whole_content) {
 	@param doc
 */
 void Diagram::folioSequentialsToXml(QHash<QString,
-				    QStringList> *hash,
-				    QDomElement *domElement,
-				    const QString& seq_type,
-				    const QString& type,
-				    QDomDocument *doc) {
+					QStringList> *hash,
+					QDomElement *domElement,
+					const QString& seq_type,
+					const QString& type,
+					QDomDocument *doc) {
 	QHash<QString, QStringList>::iterator i;
 	for (i = hash->begin(); i != hash->end(); i++) {
 		QDomElement folioseq = doc->createElement(type);
 		folioseq.setAttribute("title", i.key());
 		for (int j = 0; j < i.value().size(); j++) {
-			folioseq.setAttribute(seq_type + QString::number(j+1),
-					      i.value().at(j));
+            folioseq.setAttribute(seq_type + QString::number(j+1),
+						  i.value().at(j));
 		}
 		domElement->appendChild(folioseq);
 	}
@@ -1030,9 +1026,9 @@ void Diagram::folioSequentialsToXml(QHash<QString,
 	\~French true si l'import a reussi, false sinon
 */
 bool Diagram::fromXml(QDomDocument &document,
-		      QPointF position,
-		      bool consider_informations,
-		      DiagramContent *content_ptr) {
+			  QPointF position,
+			  bool consider_informations,
+			  DiagramContent *content_ptr) {
 	QDomElement root = document.documentElement();
 	return(fromXml(root, position, consider_informations, content_ptr));
 }
@@ -1094,17 +1090,17 @@ bool Diagram::initFromXml(QDomElement &document,
 	@return
 */
 Terminal* findTerminal(int conductor_index,
-		       QDomElement& f,
-		       QHash<int,
-		       Terminal *>& table_adr_id,
-		       QList<Element *>& added_elements) {
+               QDomElement& conductor,
+			   QHash<int,
+			   Terminal *>& table_adr_id,
+			   QList<Element *>& added_elements) {
 	assert(conductor_index == 1 || conductor_index == 2);
 
 	QString element_index = "element" + QString::number(conductor_index);
 	QString terminal_index = "terminal" + QString::number(conductor_index);
 
-	if (f.hasAttribute(element_index)) {
-		QUuid element_uuid = QUuid(f.attribute(element_index));
+	QUuid element_uuid;
+	if (PropertiesInterface::propertyUuid(conductor, element_index, &element_uuid) == PropertiesInterface::PropertyFlags::Success) {
 		// element1 did not exist in the conductor part of the xml until prior 0.7
 		// It is used as an indicator that uuid's are used to identify terminals
 		bool element_found = false;
@@ -1112,7 +1108,8 @@ Terminal* findTerminal(int conductor_index,
 			if (element->uuid() != element_uuid)
 				continue;
 			element_found = true;
-			QUuid terminal_uuid = QUuid(f.attribute(terminal_index));
+			QUuid terminal_uuid;
+			PropertiesInterface::propertyUuid(conductor, terminal_index, &terminal_uuid);
 			for (auto terminal: element->terminals()) {
 				if (terminal->uuid() != terminal_uuid)
 					continue;
@@ -1136,9 +1133,11 @@ Terminal* findTerminal(int conductor_index,
 				  << element_uuid
 				  << "not found";
 	} else {
-		// Backward compatibility.
-		// Until version 0.7 a generated id is used to link the terminal.
-		int id_p1 = f.attribute(terminal_index).toInt();
+		// Backward compatibility. Until version 0.7 a generated id is used to link the terminal.
+		int id_p1 = -1;
+		if (PropertiesInterface::propertyInteger(conductor, terminal_index, &id_p1) != PropertiesInterface::PropertyFlags::Success) {
+			qDebug() << "diagramm.cpp:findTerminal(): Reading Id was not successfull";
+		}
 		if (!table_adr_id.contains(id_p1)) {
 			qDebug() << "Diagram::fromXml() : terminal id "
 				 << id_p1
@@ -1146,6 +1145,7 @@ Terminal* findTerminal(int conductor_index,
 		} else
 			return table_adr_id.value(id_p1);
 	}
+	qDebug() << "Diagram::findTerminal(): No terminal found.";
 	return nullptr;
 }
 
@@ -1181,13 +1181,15 @@ Terminal* findTerminal(int conductor_index,
 	\~French true si l'import a reussi, false sinon
 */
 bool Diagram::fromXml(QDomElement &document,
-		      QPointF position,
-		      bool consider_informations,
-		      DiagramContent *content_ptr) {
+			  QPointF position,
+			  bool consider_informations,
+			  DiagramContent *content_ptr) {
 	const QDomElement& root = document;
 	// The first element must be a diagram
 	if (root.tagName() != "diagram") return(false);
 
+	qDebug() << "Diagram::fromXml; Diagram: " << root.attribute("title");
+	
 		// Read attributes of this diagram
 	if (consider_informations)
 	{
@@ -1203,6 +1205,7 @@ bool Diagram::fromXml(QDomElement &document,
 			defaultConductorProperties.fromXml(default_conductor_elmt);
 		}
 
+
 		// Load the autonum
 		m_conductors_autonum_name = root.attribute("conductorAutonum");
 
@@ -1256,7 +1259,7 @@ bool Diagram::fromXml(QDomElement &document,
 	if (root.hasAttribute("projectId")) {
 		QETProject *other_project = QETApp::project(
 					root.attribute("projectId",
-						       "-1").toInt());
+							   "-1").toInt());
 
 		/* We try to paste from another project,
 		 *  then befor paste elements,
@@ -1268,8 +1271,8 @@ bool Diagram::fromXml(QDomElement &document,
 			ElementCollectionHandler ech;
 			foreach (QDomElement element_xml,
 				 QET::findInDomElement(root,
-						       "elements",
-						       "element")) {
+							   "elements",
+							   "element")) {
 				if (!Element::valideXml(element_xml)) continue;
 
 				QString type_id = element_xml.attribute("type");
@@ -1279,7 +1282,7 @@ bool Diagram::fromXml(QDomElement &document,
 								type_id,
 								other_project);
 					ech.importFromProject(m_project,
-							      location);
+								  location);
 				}
 			}
 		}
@@ -1325,7 +1328,7 @@ bool Diagram::fromXml(QDomElement &document,
 			removeItem(nvel_elmt);
 			delete nvel_elmt;
 			qDebug() << "Diagram::fromXml() : Le chargement des "
-				    "parametres d'un element a echoue";
+					"parametres d'un element a echoue";
 		} else {
 			added_elements << nvel_elmt;
 		}
@@ -1334,8 +1337,8 @@ bool Diagram::fromXml(QDomElement &document,
 		// Load text
 	QList<IndependentTextItem *> added_texts;
 	foreach (QDomElement text_xml, QET::findInDomElement(root,
-							     "inputs",
-							     "input")) {
+								 "inputs",
+								 "input")) {
 		IndependentTextItem *iti = new IndependentTextItem();
 		iti -> fromXml(text_xml);
 		addItem(iti);
@@ -1345,8 +1348,8 @@ bool Diagram::fromXml(QDomElement &document,
 		// Load image
 	QList<DiagramImageItem *> added_images;
 	foreach (QDomElement image_xml, QET::findInDomElement(root,
-							      "images",
-							      "image")) {
+								  "images",
+								  "image")) {
 		DiagramImageItem *dii = new DiagramImageItem ();
 		dii -> fromXml(image_xml);
 		addItem(dii);
@@ -1356,8 +1359,8 @@ bool Diagram::fromXml(QDomElement &document,
 		// Load shape
 	QList<QetShapeItem *> added_shapes;
 	foreach (QDomElement shape_xml, QET::findInDomElement(root,
-							      "shapes",
-							      "shape")) {
+								  "shapes",
+								  "shape")) {
 		QetShapeItem *dii = new QetShapeItem (QPointF(0,0));
 		dii -> fromXml(shape_xml);
 		addItem(dii);
@@ -1367,8 +1370,8 @@ bool Diagram::fromXml(QDomElement &document,
 		// Load conductor
 	QList<Conductor *> added_conductors;
 	foreach (QDomElement f, QET::findInDomElement(root,
-						      "conductors",
-						      "conductor"))
+							  "conductors",
+							  "conductor"))
 	{
 		if (!Conductor::valideXml(f)) continue;
 
@@ -1377,7 +1380,7 @@ bool Diagram::fromXml(QDomElement &document,
 		Terminal* p1 = findTerminal(1, f, table_adr_id, added_elements);
 		Terminal* p2 = findTerminal(2, f, table_adr_id, added_elements);
 
-		if (p1 && p2 && p1 != p2)
+		if (p1 && p2 && p1 != p2)// TODO: why the condition for unequal is required?
 		{
 			Conductor *c = new Conductor(p1, p2);
 			if (c->isValid())
@@ -1388,13 +1391,15 @@ bool Diagram::fromXml(QDomElement &document,
 			}
 			else
 				delete c;
+		} else {
+			qDebug() << "Diagramm::fromXML(): No matching terminals found.";
 		}
 	}
 
 		//Load tables
 	QVector<QetGraphicsTableItem *> added_tables;
 	for (auto dom_table
-	     : QETXML::subChild(root,
+		 : QETXML::subChild(root,
 				"tables",
 				QetGraphicsTableItem::xmlTagName()))
 	{
@@ -1409,11 +1414,11 @@ bool Diagram::fromXml(QDomElement &document,
 	{
 		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;
+		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
 		QRectF items_rect;
@@ -1435,12 +1440,12 @@ bool Diagram::fromXml(QDomElement &document,
 
 		//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;
 #if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)	// ### Qt 6: remove
-		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();
 #else
 #if TODO_LIST
 #pragma message("@TODO remove code for QT 5.14 or later")
@@ -1455,7 +1460,7 @@ bool Diagram::fromXml(QDomElement &document,
 					added_shapes.begin(),
 					added_shapes.end());
 #endif
-		content_ptr -> m_tables             = added_tables;
+		content_ptr -> m_tables			 = added_tables;
 	}
 
 	adjustSceneRect();
@@ -1473,23 +1478,23 @@ bool Diagram::fromXml(QDomElement &document,
 	@param autonumFolioSeqType
 */
 void Diagram::folioSequentialsFromXml(const QDomElement &root,
-				      QHash<QString,
-				      QStringList>* hash,
-				      const QString& folioSeq,
-				      const QString& seq,
-				      const QString& type,
-				      const QString& autonumFolioSeqType) {
+					  QHash<QString,
+					  QStringList>* hash,
+					  const QString& folioSeq,
+					  const QString& seq,
+					  const QString& type,
+					  const QString& autonumFolioSeqType) {
 	foreach (QDomElement folioSeqAutoNum,
 		 QET::findInDomElement(root, autonumFolioSeqType, folioSeq)) {
 		for(QDomElement folioseq
-		    = folioSeqAutoNum.firstChildElement(type);
-		    !folioseq.isNull();
-		    folioseq = folioseq.nextSiblingElement(type)) {
+			= folioSeqAutoNum.firstChildElement(type);
+			!folioseq.isNull();
+			folioseq = folioseq.nextSiblingElement(type)) {
 			QString title = folioseq.attribute("title");
 			QStringList list;
 			int i = 1;
 			while (folioseq.hasAttribute(seq
-						     + QString::number(i))) {
+							 + QString::number(i))) {
 				list << folioseq.attribute(
 						seq + QString::number(i));
 				i++;
@@ -1527,7 +1532,7 @@ void Diagram::refreshContents()
 
 /**
 	@brief Diagram::addItem
-	Réimplemented from QGraphicsScene::addItem(QGraphicsItem *item)
+	R??implemented from QGraphicsScene::addItem(QGraphicsItem *item)
 	Do some specific operation if item need it (for exemple an element)
 	@param item
 */
@@ -1745,10 +1750,10 @@ void Diagram::insertFolioSeqHash(QHash<QString,
 	@param nc : Context to be manipulated
 */
 void Diagram::loadFolioSeqHash(QHash<QString,
-			       QStringList> *hash,
-			       const QString& title,
-			       const QString& type,
-			       NumerotationContext *nc) {
+				   QStringList> *hash,
+				   const QString& title,
+				   const QString& type,
+				   NumerotationContext *nc) {
 		int j = 0;
 		for (int i = 0; i < nc->size(); i++) {
 			if (nc->itemAt(i).at(0) == type) {
@@ -1773,9 +1778,9 @@ void Diagram::changeZValue(QET::DepthOption option)
 	DiagramContent dc(this);
 	QUndoCommand *undo = new QUndoCommand(tr("Modifier la profondeur"));
 	QList<QGraphicsItem *> l = dc.items(DiagramContent::SelectedOnly | \
-					    DiagramContent::Elements | \
-					    DiagramContent::Shapes | \
-					    DiagramContent::Images);
+						DiagramContent::Elements | \
+						DiagramContent::Shapes | \
+						DiagramContent::Images);
 	QList<QGraphicsObject *> list;
 	for(QGraphicsItem *item : l)
 		list << item->toGraphicsObject();
@@ -2164,7 +2169,7 @@ void Diagram::adjustSceneRect()
 {
 	QRectF old_rect = sceneRect();
 	setSceneRect(border_and_titleblock.borderAndTitleBlockRect().united(
-			     itemsBoundingRect()));
+				 itemsBoundingRect()));
 	update(old_rect.united(sceneRect()));
 }
 
@@ -2185,20 +2190,20 @@ ExportProperties Diagram::applyProperties(
 	// exports current rendering options
 	// exporte les options de rendu en cours
 	ExportProperties old_properties;
-	old_properties.draw_grid               = displayGrid();
+	old_properties.draw_grid			   = displayGrid();
 	old_properties.draw_border = border_and_titleblock.borderIsDisplayed();
 	old_properties.draw_titleblock = border_and_titleblock.titleBlockIsDisplayed();
-	old_properties.draw_terminals          = drawTerminals();
+	old_properties.draw_terminals		  = drawTerminals();
 	old_properties.draw_colored_conductors = drawColoredConductors();
 	old_properties.exported_area = useBorder() ? QET::BorderArea
 						   : QET::ElementsArea;
 
 	// apply the new rendering options
 	// applique les nouvelles options de rendu
-	setUseBorder             (new_properties.exported_area == QET::BorderArea);
-	setDrawTerminals         (new_properties.draw_terminals);
+	setUseBorder			 (new_properties.exported_area == QET::BorderArea);
+	setDrawTerminals		 (new_properties.draw_terminals);
 	setDrawColoredConductors (new_properties.draw_colored_conductors);
-	setDisplayGrid           (new_properties.draw_grid);
+	setDisplayGrid		   (new_properties.draw_grid);
 	border_and_titleblock.displayBorder(new_properties.draw_border);
 	border_and_titleblock.displayTitleBlock (new_properties.draw_titleblock);
 

sources/diagram.h

@@ -96,7 +96,7 @@ class Diagram : public QGraphicsScene
 		/// margin around the diagram
 		static const qreal margin;
 		/// background color of diagram
-		static QColor background_color;
+		static QColor background_color; // default value set in cpp file
 		/// Hash containing max values for folio sequential autonums in this diagram
 		QHash <QString, QStringList> m_elmt_unitfolio_max;
 		QHash <QString, QStringList> m_elmt_tenfolio_max;
@@ -108,10 +108,10 @@ class Diagram : public QGraphicsScene
 
 	private:
 		QGraphicsLineItem *conductor_setter_;
-		ElementsMover     m_elements_mover;
+		ElementsMover	 m_elements_mover;
 		ElementTextsMover m_element_texts_mover;
-		QGIManager        *qgi_manager_;
-		QETProject        *m_project;
+		QGIManager		*qgi_manager_;
+		QETProject		*m_project;
 
 		QDomDocument xml_document_;
 
@@ -156,9 +156,9 @@ class Diagram : public QGraphicsScene
 	
 		// methods related to parent project
 		QETProject *project() const;
-		int         folioIndex() const;
-		void        showMe() {emit showDiagram(this);}
-		bool        isReadOnly() const;
+		int		 folioIndex() const;
+		void		showMe() {emit showDiagram(this);}
+		bool		isReadOnly() const;
 	
 		// methods related to conductor creation
 		void setConductor(bool);
@@ -173,13 +173,13 @@ class Diagram : public QGraphicsScene
 				 bool = true,
 				 DiagramContent * = nullptr);
 		bool fromXml(QDomDocument &,
-			     QPointF = QPointF(),
-			     bool = true,
-			     DiagramContent * = nullptr);
+				 QPointF = QPointF(),
+				 bool = true,
+				 DiagramContent * = nullptr);
 		bool fromXml(QDomElement &,
-			     QPointF = QPointF(),
-			     bool = true,
-			     DiagramContent * = nullptr);
+				 QPointF = QPointF(),
+				 bool = true,
+				 DiagramContent * = nullptr);
 		void folioSequentialsToXml(QHash<QString,
 					   QStringList>*,
 					   QDomElement *,
@@ -187,17 +187,17 @@ class Diagram : public QGraphicsScene
 					   const QString&,
 					   QDomDocument *);
 		void folioSequentialsFromXml(const QDomElement&,
-					     QHash<QString,
-					     QStringList>*,
-					     const QString&,
-					     const QString&,
-					     const QString&,
-					     const QString&);
+						 QHash<QString,
+						 QStringList>*,
+						 const QString&,
+						 const QString&,
+						 const QString&,
+						 const QString&);
 	
 		void refreshContents();
 	
 		// methods related to graphics items addition/removal on the diagram
-		virtual void addItem    (QGraphicsItem *item);
+		virtual void addItem	(QGraphicsItem *item);
 		virtual void removeItem (QGraphicsItem *item);
 	
 		// methods related to graphics options
@@ -253,8 +253,8 @@ class Diagram : public QGraphicsScene
 					 const QString& seq,
 					 NumerotationContext *nc);
 		void loadFolioSeqHash (QHash<QString, QStringList> *hash,
-				       const QString& title, const QString& seq,
-				       NumerotationContext *nc);
+					   const QString& title, const QString& seq,
+					   NumerotationContext *nc);
 		void changeZValue(QET::DepthOption option);
 
 	public slots:
@@ -262,7 +262,7 @@ class Diagram : public QGraphicsScene
 		void titleChanged(const QString &);
 		void titleBlockTemplateChanged(const QString &);
 		void titleBlockTemplateRemoved(const QString &,
-					       const QString & = QString());
+						   const QString & = QString());
 		void setTitleBlockTemplate(const QString &);
 		void updateLabels();
 		void loadElmtFolioSeq();
@@ -282,6 +282,8 @@ class Diagram : public QGraphicsScene
 		/// from the diagram within elements collection
 		void findElementRequired(const ElementsLocation &);
 
+		/// Signal emitted when users wish to edit an element from the diagram
+		void editElementRequired(const ElementsLocation &);
 		void diagramActivated();
 };
 Q_DECLARE_METATYPE(Diagram *)

sources/diagramcontext.cpp

@@ -135,7 +135,7 @@ bool DiagramContext::keyMustShow(const QString &key) const
 
 bool DiagramContext::operator==(const DiagramContext &dc) const
 {
-	return(m_content     == dc.m_content &&
+	return(m_content	 == dc.m_content &&
 		   m_content_show == dc.m_content_show);
 }
 

sources/diagramcontext.h

@@ -33,23 +33,23 @@
 
 /**
  * Key for element :
- * label                          -> label or identification of element
- * formula                        -> formula used to create the label (formula is make with variable)
- * designation                    -> exhaustive comment used to explain what the element does.
- * description                    -> exhaustive description used to explain what the element does.
- * plant                          -> the plant assigned to the element
- * comment                        -> a little comment wich can be displayed in the folio
- * manufacturer                   -> the manufacturer of the element
- * manufacturer_reference         -> the manufacturer reference of the element
- * quantity                       -> quantity of the element
- * unity                          -> unity of the element
- * auxiliary1                     -> auxiliary 1 of element
- * auxiliary2                     -> auxiliary 2 of element
+ * label						  -> label or identification of element
+ * formula						-> formula used to create the label (formula is make with variable)
+ * designation					-> exhaustive comment used to explain what the element does.
+ * description					-> exhaustive description used to explain what the element does.
+ * plant						  -> the plant assigned to the element
+ * comment						-> a little comment wich can be displayed in the folio
+ * manufacturer				   -> the manufacturer of the element
+ * manufacturer_reference		 -> the manufacturer reference of the element
+ * quantity					   -> quantity of the element
+ * unity						  -> unity of the element
+ * auxiliary1					 -> auxiliary 1 of element
+ * auxiliary2					 -> auxiliary 2 of element
  * machine_manufacturer_reference -> reference of the machine manufacturer
- * supplier                       -> the supplier of the element
- * function                       -> the function of element
- * location                       -> the location assigned to the element
- * frozenLabel                    -> label locked at a given time
+ * supplier					   -> the supplier of the element
+ * function					   -> the function of element
+ * location					   -> the location assigned to the element
+ * frozenLabel					-> label locked at a given time
  *
 */
 class DiagramContext

sources/editor/graphicspart/customelementgraphicpart.cpp

@@ -113,7 +113,7 @@ qreal CustomElementGraphicPart::penWeight() const
 	if (_lineweight == NoneWeight || _lineweight == ThinWeight) return 0;
 	else if (_lineweight == NormalWeight) return 1;
 	else if (_lineweight == UltraWeight)  return 2;
-	else if (_lineweight == BigWeight)    return 5;
+	else if (_lineweight == BigWeight)	return 5;
 	return 1;
 }
 
@@ -161,26 +161,26 @@ void CustomElementGraphicPart::setAntialiased(const bool b)
 	Each style separate by ; and name-style/value are separate by :
 	@param qde : QDOmElement used to write the style.
 */
-void CustomElementGraphicPart::stylesToXml(QDomElement &qde) const
+void CustomElementGraphicPart::stylesToXml(QDomDocument &xml_document, QDomElement &qde) const
 {
 	QString css_like_styles;
 
 	css_like_styles += "line-style:";
-	if      (_linestyle == DashedStyle)     css_like_styles += "dashed";
-	else if (_linestyle == DottedStyle)     css_like_styles += "dotted";
+	if	  (_linestyle == DashedStyle)	 css_like_styles += "dashed";
+	else if (_linestyle == DottedStyle)	 css_like_styles += "dotted";
 	else if (_linestyle == DashdottedStyle) css_like_styles += "dashdotted";
-	else if (_linestyle == NormalStyle)     css_like_styles += "normal";
+	else if (_linestyle == NormalStyle)	 css_like_styles += "normal";
 
 	css_like_styles += ";line-weight:";
-	if      (_lineweight == NoneWeight)   css_like_styles += "none";
+	if	  (_lineweight == NoneWeight)   css_like_styles += "none";
 	else if (_lineweight == ThinWeight)   css_like_styles += "thin";
 	else if (_lineweight == NormalWeight) css_like_styles += "normal";
 	else if (_lineweight == UltraWeight)  css_like_styles += "hight";
-	else if (_lineweight == BigWeight)    css_like_styles += "eleve";
+	else if (_lineweight == BigWeight)	css_like_styles += "eleve";
 
 
 	css_like_styles += ";filling:";
-	if      (_filling == NoneFilling)  css_like_styles += "none";
+	if	  (_filling == NoneFilling)  css_like_styles += "none";
 	else if (_filling == BlackFilling) css_like_styles += "black";
 	else if (_filling == WhiteFilling) css_like_styles += "white";
 	else if (_filling == GreenFilling) css_like_styles += "green";
@@ -341,7 +341,7 @@ void CustomElementGraphicPart::stylesToXml(QDomElement &qde) const
 
 
 	css_like_styles += ";color:";
-	if      (_color == WhiteColor) css_like_styles += "white";
+	if	  (_color == WhiteColor) css_like_styles += "white";
 	else if (_color == BlackColor) css_like_styles += "black";
 	else if (_color == GreenColor) css_like_styles += "green";
 	else if (_color == RedColor)   css_like_styles += "red";
@@ -496,9 +496,8 @@ void CustomElementGraphicPart::stylesToXml(QDomElement &qde) const
 	else if (_color == HTMLGrayBlackColor)  css_like_styles += "HTMLGrayBlack";
 	else if (_color == NoneColor)  css_like_styles += "none";
 
-
-	qde.setAttribute("style", css_like_styles);
-	qde.setAttribute("antialias", _antialiased ? "true" : "false");
+	qde.appendChild(createXmlProperty(xml_document, "style", css_like_styles));
+	qde.appendChild(createXmlProperty(xml_document, "antialias", _antialiased ? "true" : "false"));
 }
 
 
@@ -511,6 +510,9 @@ void CustomElementGraphicPart::stylesFromXml(const QDomElement &qde)
 {
 	resetStyles();
 
+	QString style_string;
+	propertyString(qde, "style", &style_string);
+	
 		//Get the list of pair style/value
 #if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)	// ### Qt 6: remove
 	QStringList styles = qde.attribute("style").split(";", QString::SkipEmptyParts);
@@ -521,6 +523,8 @@ void CustomElementGraphicPart::stylesFromXml(const QDomElement &qde)
 	QStringList styles = qde.attribute("style").split(";", Qt::SkipEmptyParts);
 #endif
 
+
+	
 		//Check each pair of style
 	QRegularExpression rx("^\\s*([a-z-]+)\\s*:\\s*([a-zA-Z-]+)\\s*$");
 	foreach (QString style, styles)
@@ -530,14 +534,14 @@ void CustomElementGraphicPart::stylesFromXml(const QDomElement &qde)
 		QString style_value = rx.namedCaptureGroups().at(2);
 		if (style_name == "line-style")
 		{
-			if      (style_value == "dashed")     _linestyle = DashedStyle;
-			else if (style_value == "dotted")     _linestyle = DottedStyle;
+			if	  (style_value == "dashed")	 _linestyle = DashedStyle;
+			else if (style_value == "dotted")	 _linestyle = DottedStyle;
 			else if (style_value == "dashdotted") _linestyle = DashdottedStyle;
-			else if (style_value == "normal")     _linestyle = NormalStyle;
+			else if (style_value == "normal")	 _linestyle = NormalStyle;
 		}
 		else if (style_name == "line-weight")
 		{
-			if      (style_value == "none")   _lineweight = NoneWeight;
+			if	  (style_value == "none")   _lineweight = NoneWeight;
 			else if (style_value == "thin")   _lineweight = ThinWeight;
 			else if (style_value == "normal") _lineweight = NormalWeight;
 			else if (style_value == "hight")  _lineweight = UltraWeight;
@@ -545,7 +549,7 @@ void CustomElementGraphicPart::stylesFromXml(const QDomElement &qde)
 		}
 		else if (style_name == "filling")
 		{
-			if      (style_value == "white") _filling = WhiteFilling;
+			if	  (style_value == "white") _filling = WhiteFilling;
 			else if (style_value == "black") _filling = BlackFilling;
 			else if (style_value == "red")   _filling = RedFilling;
 			else if (style_value == "green") _filling = GreenFilling;
@@ -706,7 +710,7 @@ void CustomElementGraphicPart::stylesFromXml(const QDomElement &qde)
 		}
 		else if (style_name == "color")
 		{
-			if      (style_value == "black") _color = BlackColor;
+			if	  (style_value == "black") _color = BlackColor;
 			else if (style_value == "white") _color = WhiteColor;
 			else if (style_value == "green") _color = GreenColor;
 			else if (style_value == "red")   _color = RedColor;
@@ -863,7 +867,9 @@ void CustomElementGraphicPart::stylesFromXml(const QDomElement &qde)
 		}
 	}
 		//Get antialiasing
-	_antialiased = qde.attribute("antialias") == "true";
+	QString a;
+	propertyString(qde, "antialias", &a);
+	_antialiased = a == "true";
 }
 
 
@@ -893,17 +899,17 @@ void CustomElementGraphicPart::applyStylesToQPainter(QPainter &painter) const
 	QBrush brush = painter.brush();
 
 		//Apply pen style
-	if      (_linestyle == DashedStyle)     pen.setStyle(Qt::DashLine);
+	if	  (_linestyle == DashedStyle)	 pen.setStyle(Qt::DashLine);
 	else if (_linestyle == DashdottedStyle) pen.setStyle(Qt::DashDotLine);
-	else if (_linestyle == DottedStyle)     pen.setStyle(Qt::DotLine);
-	else if (_linestyle == NormalStyle)     pen.setStyle(Qt::SolidLine);
+	else if (_linestyle == DottedStyle)	 pen.setStyle(Qt::DotLine);
+	else if (_linestyle == NormalStyle)	 pen.setStyle(Qt::SolidLine);
 
 		//Apply pen width
-	if      (_lineweight == NoneWeight)   pen.setColor(QColor(0, 0, 0, 0));
+	if	  (_lineweight == NoneWeight)   pen.setColor(QColor(0, 0, 0, 0));
 	else if (_lineweight == ThinWeight)   pen.setWidth(0);
 	else if (_lineweight == NormalWeight) pen.setWidthF(1.0);
 	else if (_lineweight == UltraWeight)  pen.setWidthF(2.0);
-	else if (_lineweight == BigWeight)    pen.setWidthF(5.0);
+	else if (_lineweight == BigWeight)	pen.setWidthF(5.0);
 
 		//Apply brush color
 	if (_filling == NoneFilling) brush.setStyle(Qt::NoBrush);
@@ -914,7 +920,7 @@ void CustomElementGraphicPart::applyStylesToQPainter(QPainter &painter) const
 	else
 	{
 		brush.setStyle(Qt::SolidPattern);
-		if (_filling == BlackFilling)      brush.setColor(Qt::black);
+		if (_filling == BlackFilling)	  brush.setColor(Qt::black);
 		else if (_filling == WhiteFilling) brush.setColor(Qt::white);
 		else if (_filling == GreenFilling) brush.setColor(Qt::green);
 		else if (_filling == RedFilling)   brush.setColor(Qt::red);
@@ -1070,7 +1076,7 @@ void CustomElementGraphicPart::applyStylesToQPainter(QPainter &painter) const
 	}
 
 		//Apply pen color
-	if      (_color == WhiteColor) pen.setColor(QColor(255, 255, 255, pen.color().alpha()));
+	if	  (_color == WhiteColor) pen.setColor(QColor(255, 255, 255, pen.color().alpha()));
 	else if (_color == BlackColor) pen.setColor(QColor(  0,   0,   0, pen.color().alpha()));
 	else if (_color == GreenColor) pen.setColor(QColor(Qt::green));
 	else if (_color == RedColor)   pen.setColor(QColor(Qt::red));
@@ -1226,8 +1232,8 @@ void CustomElementGraphicPart::applyStylesToQPainter(QPainter &painter) const
 	else if (_color == NoneColor)  pen.setBrush(Qt::transparent);
 
 		//Apply antialiasing
-	painter.setRenderHint(QPainter::Antialiasing,          _antialiased);
-	painter.setRenderHint(QPainter::TextAntialiasing,      _antialiased);
+	painter.setRenderHint(QPainter::Antialiasing,		  _antialiased);
+	painter.setRenderHint(QPainter::TextAntialiasing,	  _antialiased);
 	painter.setRenderHint(QPainter::SmoothPixmapTransform, _antialiased);
 
 	painter.setPen(pen);
@@ -1324,7 +1330,7 @@ void CustomElementGraphicPart::mouseReleaseEvent(QGraphicsSceneMouseEvent *event
 	if((event->button() & Qt::LeftButton) && (flags() & QGraphicsItem::ItemIsMovable) && m_origin_pos != pos())
 	{
 		QPropertyUndoCommand *undo = new QPropertyUndoCommand(this, "pos", QVariant(m_origin_pos), QVariant(pos()));
-		undo->setText(tr("Déplacer une primitive"));
+		undo->setText(tr("D??placer une primitive"));
 		undo->enableAnimation();
 		elementScene()->undoStack().push(undo);
 	}

sources/editor/graphicspart/customelementgraphicpart.h

@@ -40,9 +40,9 @@ class CustomElementGraphicPart : public QGraphicsObject, public CustomElementPar
 
 		Q_PROPERTY(LineStyle line_style   READ lineStyle   WRITE setLineStyle)
 		Q_PROPERTY(LineWeight line_weight READ lineWeight  WRITE setLineWeight)
-		Q_PROPERTY(Filling filling        READ filling     WRITE setFilling)
-		Q_PROPERTY(Color color            READ color       WRITE setColor)
-		Q_PROPERTY(bool antialias         READ antialiased WRITE setAntialiased)
+		Q_PROPERTY(Filling filling		READ filling	 WRITE setFilling)
+		Q_PROPERTY(Color color			READ color	   WRITE setColor)
+		Q_PROPERTY(bool antialias		 READ antialiased WRITE setAntialiased)
 
 	public:
 			//Line style
@@ -62,122 +62,122 @@ class CustomElementGraphicPart : public QGraphicsObject, public CustomElementPar
 
 		//Filling color of the part : NoneFilling -> No filling (i.e. transparent)
 		enum Filling { NoneFilling, BlackFilling, WhiteFilling,
-			       GreenFilling, RedFilling, BlueFilling,
-			       GrayFilling, BrunFilling, YellowFilling,
-			       CyanFilling, MagentaFilling, LightgrayFilling,
-			       OrangeFilling, PurpleFilling,
-			       HTMLPinkPinkFilling, HTMLPinkLightPinkFilling,
-			       HTMLPinkHotPinkFilling, HTMLPinkDeepPinkFilling,
-			       HTMLPinkPaleVioletRedFilling,
-			       HTMLPinkMediumVioletRedFilling,
-			       HTMLRedLightSalmonFilling, HTMLRedSalmonFilling,
-			       HTMLRedDarkSalmonFilling,
-			       HTMLRedLightCoralFilling,
-			       HTMLRedIndianRedFilling, HTMLRedCrimsonFilling,
-			       HTMLRedFirebrickFilling, HTMLRedDarkRedFilling,
-			       HTMLRedRedFilling, HTMLOrangeOrangeRedFilling,
-			       HTMLOrangeTomatoFilling, HTMLOrangeCoralFilling,
-			       HTMLOrangeDarkOrangeFilling,
-			       HTMLOrangeOrangeFilling, HTMLYellowYellowFilling,
-			       HTMLYellowLightYellowFilling,
-			       HTMLYellowLemonChiffonFilling,
-			       HTMLYellowLightGoldenrodYellowFilling,
-			       HTMLYellowPapayaWhipFilling,
-			       HTMLYellowMoccasinFilling,
-			       HTMLYellowPeachPuffFilling,
-			       HTMLYellowPaleGoldenrodFilling,
-			       HTMLYellowKhakiFilling,
-			       HTMLYellowDarkKhakiFilling,
-			       HTMLYellowGoldFilling, HTMLBrownCornsilkFilling,
-			       HTMLBrownBlanchedAlmondFilling,
-			       HTMLBrownBisqueFilling,
-			       HTMLBrownNavajoWhiteFilling,
-			       HTMLBrownWheatFilling, HTMLBrownBurlywoodFilling,
-			       HTMLBrownTanFilling, HTMLBrownRosyBrownFilling,
-			       HTMLBrownSandyBrownFilling,
-			       HTMLBrownGoldenrodFilling,
-			       HTMLBrownDarkGoldenrodFilling,
-			       HTMLBrownPeruFilling, HTMLBrownChocolateFilling,
-			       HTMLBrownSaddleBrownFilling,
-			       HTMLBrownSiennaFilling, HTMLBrownBrownFilling,
-			       HTMLBrownMaroonFilling,
-			       HTMLGreenDarkOliveGreenFilling,
-			       HTMLGreenOliveFilling, HTMLGreenOliveDrabFilling,
-			       HTMLGreenYellowGreenFilling,
-			       HTMLGreenLimeGreenFilling, HTMLGreenLimeFilling,
-			       HTMLGreenLawnGreenFilling,
-			       HTMLGreenChartreuseFilling,
-			       HTMLGreenGreenYellowFilling,
-			       HTMLGreenSpringGreenFilling,
-			       HTMLGreenMediumSpringGreenFilling,
-			       HTMLGreenLightGreenFilling,
-			       HTMLGreenPaleGreenFilling,
-			       HTMLGreenDarkSeaGreenFilling,
-			       HTMLGreenMediumAquamarineFilling,
-			       HTMLGreenMediumSeaGreenFilling,
-			       HTMLGreenSeaGreenFilling,
-			       HTMLGreenForestGreenFilling,
-			       HTMLGreenGreenFilling, HTMLGreenDarkGreenFilling,
-			       HTMLCyanAquaFilling, HTMLCyanCyanFilling,
-			       HTMLCyanLightCyanFilling,
-			       HTMLCyanPaleTurquoiseFilling,
-			       HTMLCyanAquamarineFilling,
-			       HTMLCyanTurquoiseFilling,
-			       HTMLCyanMediumTurquoiseFilling,
-			       HTMLCyanDarkTurquoiseFilling,
-			       HTMLCyanLightSeaGreenFilling,
-			       HTMLCyanCadetBlueFilling,
-			       HTMLCyanDarkCyanFilling, HTMLCyanTealFilling,
-			       HTMLBlueLightSteelBlueFilling,
-			       HTMLBluePowderBlueFilling,
-			       HTMLBlueLightBlueFilling, HTMLBlueSkyBlueFilling,
-			       HTMLBlueLightSkyBlueFilling,
-			       HTMLBlueDeepSkyBlueFilling,
-			       HTMLBlueDodgerBlueFilling,
-			       HTMLBlueCornflowerBlueFilling,
-			       HTMLBlueSteelBlueFilling,
-			       HTMLBlueRoyalBlueFilling, HTMLBlueBlueFilling,
-			       HTMLBlueMediumBlueFilling,
-			       HTMLBlueDarkBlueFilling, HTMLBlueNavyFilling,
-			       HTMLBlueMidnightBlueFilling,
-			       HTMLPurpleLavenderFilling,
-			       HTMLPurpleThistleFilling, HTMLPurplePlumFilling,
-			       HTMLPurpleVioletFilling, HTMLPurpleOrchidFilling,
-			       HTMLPurpleFuchsiaFilling,
-			       HTMLPurpleMagentaFilling,
-			       HTMLPurpleMediumOrchidFilling,
-			       HTMLPurpleMediumPurpleFilling,
-			       HTMLPurpleBlueVioletFilling,
-			       HTMLPurpleDarkVioletFilling,
-			       HTMLPurpleDarkOrchidFilling,
-			       HTMLPurpleDarkMagentaFilling,
-			       HTMLPurplePurpleFilling, HTMLPurpleIndigoFilling,
-			       HTMLPurpleDarkSlateBlueFilling,
-			       HTMLPurpleSlateBlueFilling,
-			       HTMLPurpleMediumSlateBlueFilling,
-			       HTMLWhiteWhiteFilling, HTMLWhiteSnowFilling,
-			       HTMLWhiteHoneydewFilling,
-			       HTMLWhiteMintCreamFilling, HTMLWhiteAzureFilling,
-			       HTMLWhiteAliceBlueFilling,
-			       HTMLWhiteGhostWhiteFilling,
-			       HTMLWhiteWhiteSmokeFilling,
-			       HTMLWhiteSeashellFilling, HTMLWhiteBeigeFilling,
-			       HTMLWhiteOldLaceFilling,
-			       HTMLWhiteFloralWhiteFilling,
-			       HTMLWhiteIvoryFilling,
-			       HTMLWhiteAntiqueWhiteFilling,
-			       HTMLWhiteLinenFilling,
-			       HTMLWhiteLavenderBlushFilling,
-			       HTMLWhiteMistyRoseFilling,
-			       HTMLGrayGainsboroFilling,
-			       HTMLGrayLightGrayFilling, HTMLGraySilverFilling,
-			       HTMLGrayDarkGrayFilling, HTMLGrayGrayFilling,
-			       HTMLGrayDimGrayFilling,
-			       HTMLGrayLightSlateGrayFilling,
-			       HTMLGraySlateGrayFilling,
-			       HTMLGrayDarkSlateGrayFilling,
-			       HTMLGrayBlackFilling, HorFilling, VerFilling,
-			       BdiagFilling, FdiagFilling};
+				   GreenFilling, RedFilling, BlueFilling,
+				   GrayFilling, BrunFilling, YellowFilling,
+				   CyanFilling, MagentaFilling, LightgrayFilling,
+				   OrangeFilling, PurpleFilling,
+				   HTMLPinkPinkFilling, HTMLPinkLightPinkFilling,
+				   HTMLPinkHotPinkFilling, HTMLPinkDeepPinkFilling,
+				   HTMLPinkPaleVioletRedFilling,
+				   HTMLPinkMediumVioletRedFilling,
+				   HTMLRedLightSalmonFilling, HTMLRedSalmonFilling,
+				   HTMLRedDarkSalmonFilling,
+				   HTMLRedLightCoralFilling,
+				   HTMLRedIndianRedFilling, HTMLRedCrimsonFilling,
+				   HTMLRedFirebrickFilling, HTMLRedDarkRedFilling,
+				   HTMLRedRedFilling, HTMLOrangeOrangeRedFilling,
+				   HTMLOrangeTomatoFilling, HTMLOrangeCoralFilling,
+				   HTMLOrangeDarkOrangeFilling,
+				   HTMLOrangeOrangeFilling, HTMLYellowYellowFilling,
+				   HTMLYellowLightYellowFilling,
+				   HTMLYellowLemonChiffonFilling,
+				   HTMLYellowLightGoldenrodYellowFilling,
+				   HTMLYellowPapayaWhipFilling,
+				   HTMLYellowMoccasinFilling,
+				   HTMLYellowPeachPuffFilling,
+				   HTMLYellowPaleGoldenrodFilling,
+				   HTMLYellowKhakiFilling,
+				   HTMLYellowDarkKhakiFilling,
+				   HTMLYellowGoldFilling, HTMLBrownCornsilkFilling,
+				   HTMLBrownBlanchedAlmondFilling,
+				   HTMLBrownBisqueFilling,
+				   HTMLBrownNavajoWhiteFilling,
+				   HTMLBrownWheatFilling, HTMLBrownBurlywoodFilling,
+				   HTMLBrownTanFilling, HTMLBrownRosyBrownFilling,
+				   HTMLBrownSandyBrownFilling,
+				   HTMLBrownGoldenrodFilling,
+				   HTMLBrownDarkGoldenrodFilling,
+				   HTMLBrownPeruFilling, HTMLBrownChocolateFilling,
+				   HTMLBrownSaddleBrownFilling,
+				   HTMLBrownSiennaFilling, HTMLBrownBrownFilling,
+				   HTMLBrownMaroonFilling,
+				   HTMLGreenDarkOliveGreenFilling,
+				   HTMLGreenOliveFilling, HTMLGreenOliveDrabFilling,
+				   HTMLGreenYellowGreenFilling,
+				   HTMLGreenLimeGreenFilling, HTMLGreenLimeFilling,
+				   HTMLGreenLawnGreenFilling,
+				   HTMLGreenChartreuseFilling,
+				   HTMLGreenGreenYellowFilling,
+				   HTMLGreenSpringGreenFilling,
+				   HTMLGreenMediumSpringGreenFilling,
+				   HTMLGreenLightGreenFilling,
+				   HTMLGreenPaleGreenFilling,
+				   HTMLGreenDarkSeaGreenFilling,
+				   HTMLGreenMediumAquamarineFilling,
+				   HTMLGreenMediumSeaGreenFilling,
+				   HTMLGreenSeaGreenFilling,
+				   HTMLGreenForestGreenFilling,
+				   HTMLGreenGreenFilling, HTMLGreenDarkGreenFilling,
+				   HTMLCyanAquaFilling, HTMLCyanCyanFilling,
+				   HTMLCyanLightCyanFilling,
+				   HTMLCyanPaleTurquoiseFilling,
+				   HTMLCyanAquamarineFilling,
+				   HTMLCyanTurquoiseFilling,
+				   HTMLCyanMediumTurquoiseFilling,
+				   HTMLCyanDarkTurquoiseFilling,
+				   HTMLCyanLightSeaGreenFilling,
+				   HTMLCyanCadetBlueFilling,
+				   HTMLCyanDarkCyanFilling, HTMLCyanTealFilling,
+				   HTMLBlueLightSteelBlueFilling,
+				   HTMLBluePowderBlueFilling,
+				   HTMLBlueLightBlueFilling, HTMLBlueSkyBlueFilling,
+				   HTMLBlueLightSkyBlueFilling,
+				   HTMLBlueDeepSkyBlueFilling,
+				   HTMLBlueDodgerBlueFilling,
+				   HTMLBlueCornflowerBlueFilling,
+				   HTMLBlueSteelBlueFilling,
+				   HTMLBlueRoyalBlueFilling, HTMLBlueBlueFilling,
+				   HTMLBlueMediumBlueFilling,
+				   HTMLBlueDarkBlueFilling, HTMLBlueNavyFilling,
+				   HTMLBlueMidnightBlueFilling,
+				   HTMLPurpleLavenderFilling,
+				   HTMLPurpleThistleFilling, HTMLPurplePlumFilling,
+				   HTMLPurpleVioletFilling, HTMLPurpleOrchidFilling,
+				   HTMLPurpleFuchsiaFilling,
+				   HTMLPurpleMagentaFilling,
+				   HTMLPurpleMediumOrchidFilling,
+				   HTMLPurpleMediumPurpleFilling,
+				   HTMLPurpleBlueVioletFilling,
+				   HTMLPurpleDarkVioletFilling,
+				   HTMLPurpleDarkOrchidFilling,
+				   HTMLPurpleDarkMagentaFilling,
+				   HTMLPurplePurpleFilling, HTMLPurpleIndigoFilling,
+				   HTMLPurpleDarkSlateBlueFilling,
+				   HTMLPurpleSlateBlueFilling,
+				   HTMLPurpleMediumSlateBlueFilling,
+				   HTMLWhiteWhiteFilling, HTMLWhiteSnowFilling,
+				   HTMLWhiteHoneydewFilling,
+				   HTMLWhiteMintCreamFilling, HTMLWhiteAzureFilling,
+				   HTMLWhiteAliceBlueFilling,
+				   HTMLWhiteGhostWhiteFilling,
+				   HTMLWhiteWhiteSmokeFilling,
+				   HTMLWhiteSeashellFilling, HTMLWhiteBeigeFilling,
+				   HTMLWhiteOldLaceFilling,
+				   HTMLWhiteFloralWhiteFilling,
+				   HTMLWhiteIvoryFilling,
+				   HTMLWhiteAntiqueWhiteFilling,
+				   HTMLWhiteLinenFilling,
+				   HTMLWhiteLavenderBlushFilling,
+				   HTMLWhiteMistyRoseFilling,
+				   HTMLGrayGainsboroFilling,
+				   HTMLGrayLightGrayFilling, HTMLGraySilverFilling,
+				   HTMLGrayDarkGrayFilling, HTMLGrayGrayFilling,
+				   HTMLGrayDimGrayFilling,
+				   HTMLGrayLightSlateGrayFilling,
+				   HTMLGraySlateGrayFilling,
+				   HTMLGrayDarkSlateGrayFilling,
+				   HTMLGrayBlackFilling, HorFilling, VerFilling,
+				   BdiagFilling, FdiagFilling};
 		Q_ENUM (Filling)
 
 			//Line color
@@ -269,18 +269,18 @@ class CustomElementGraphicPart : public QGraphicsObject, public CustomElementPar
 		~CustomElementGraphicPart() override;
 
 		static void drawCross (const QPointF &center,
-				       QPainter *painter);
+					   QPainter *painter);
 
 			//Getter and setter
-		LineStyle lineStyle    () const {return _linestyle;}
-		void      setLineStyle (const LineStyle ls);
+		LineStyle lineStyle	() const {return _linestyle;}
+		void	  setLineStyle (const LineStyle ls);
 
-		LineWeight lineWeight    () const {return _lineweight;}
-		void       setLineWeight (const LineWeight lw);
-		qreal      penWeight     () const;
+		LineWeight lineWeight	() const {return _lineweight;}
+		void	   setLineWeight (const LineWeight lw);
+		qreal	  penWeight	 () const;
 
 		Filling filling   () const {return _filling;}
-		void    setFilling(const Filling f);
+		void	setFilling(const Filling f);
 
 		Color color   () const {return _color;}
 		void  setColor(const Color c);
@@ -299,18 +299,18 @@ class CustomElementGraphicPart : public QGraphicsObject, public CustomElementPar
 
 		virtual QPainterPath shadowShape ()const = 0;
 		virtual void setHandlerColor(QPointF /*pos*/,
-					     const QColor &/*color*/) {}
+						 const QColor &/*color*/) {}
 		virtual void resetAllHandlerColor() {}
 
 	protected:
-		void stylesToXml  (QDomElement &) const;
+		void stylesToXml  (QDomDocument &xml_document, QDomElement &) const;
 		void stylesFromXml(const QDomElement &);
 		void resetStyles  ();
 		void applyStylesToQPainter(QPainter &) const;
 		void drawShadowShape (QPainter *painter);
 
 		QVariant itemChange(GraphicsItemChange change,
-				    const QVariant &value) override;
+					const QVariant &value) override;
 		void hoverEnterEvent(QGraphicsSceneHoverEvent *event) override;
 		void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override;
 

sources/editor/graphicspart/customelementpart.h

@@ -19,6 +19,7 @@
 #define CUSTOM_ELEMENT_PART_H
 
 #include "qet.h"
+#include "propertiesinterface.h"
 
 class CustomElement;
 class ElementPrimitiveDecorator;
@@ -37,7 +38,7 @@ class QGraphicsSceneMouseEvent;
 	there is no point for those classes to store their visual representation
 	with anything more complex than a QImage.
 */
-class CustomElementPart {
+class CustomElementPart: public PropertiesInterface {
 	// constructors, destructor
 	public:
 	/**
@@ -61,14 +62,6 @@ class CustomElementPart {
 	
 	// methods
 	public:
-	/**
-		Load the primitive from an XML element that describes it
-	*/
-	virtual void fromXml(const QDomElement &) = 0;
-	/**
-		Export the primitive as an XML element
-	*/
-	virtual const QDomElement toXml(QDomDocument &) const = 0;
 	/**
 		Set a specific property of the primitive
 	*/
@@ -92,7 +85,7 @@ class CustomElementPart {
 		Make this part fit into the provided rectangle.
 	*/
 	virtual void handleUserTransformation(const QRectF &,
-					      const QRectF &) = 0;
+						  const QRectF &) = 0;
 	/// @return a pointer to the parent element editor
 	virtual QETElementEditor *elementEditor() const;
 	/**

sources/editor/graphicspart/partarc.cpp

@@ -102,18 +102,22 @@ void PartArc::paint(QPainter *painter, const QStyleOptionGraphicsItem *options,
 	@param xml_document : Xml document to use for create the xml element.
 	@return : an xml element that describe this arc
 */
-const QDomElement PartArc::toXml(QDomDocument &xml_document) const
+QDomElement PartArc::toXml(QDomDocument &xml_document) const
 {
 	QDomElement xml_element = xml_document.createElement("arc");
 	QPointF top_left(sceneTopLeft());
-	xml_element.setAttribute("x", QString("%1").arg(top_left.x()));
-	xml_element.setAttribute("y", QString("%1").arg(top_left.y()));
-	xml_element.setAttribute("width",  QString("%1").arg(rect().width()));
-	xml_element.setAttribute("height", QString("%1").arg(rect().height()));
+
+	xml_element.appendChild(createXmlProperty(xml_document, "x", top_left.x()));
+	xml_element.appendChild(createXmlProperty(xml_document, "y", top_left.y()));
+	xml_element.appendChild(createXmlProperty(xml_document, "width", rect().width()));
+	xml_element.appendChild(createXmlProperty(xml_document, "height", rect().height()));
+
 		//to maintain compatibility with the previous version, we write the angle in degrees.
-	xml_element.setAttribute("start", QString("%1").arg(m_start_angle / 16));
-	xml_element.setAttribute("angle", QString("%1").arg(m_span_angle / 16));
-	stylesToXml(xml_element);
+	xml_element.appendChild(createXmlProperty(xml_document, "start", m_start_angle / 16));
+	xml_element.appendChild(createXmlProperty(xml_document, "angle", m_span_angle / 16));
+
+
+	stylesToXml(xml_document, xml_element);
 	return(xml_element);
 }
 
@@ -122,15 +126,41 @@ const QDomElement PartArc::toXml(QDomDocument &xml_document) const
 	Import the properties of this arc from a xml element.
 	@param qde : Xml document to use.
 */
-void PartArc::fromXml(const QDomElement &qde) {
+bool PartArc::fromXml(const QDomElement &qde) {
 	stylesFromXml(qde);
-	m_rect = QRectF(mapFromScene(qde.attribute("x", "0").toDouble(),
-								 qde.attribute("y", "0").toDouble()),
-					QSizeF(qde.attribute("width",  "0").toDouble(),
-						   qde.attribute("height", "0").toDouble()) );
 
-	m_start_angle = qde.attribute("start", "0").toDouble() * 16;
-	m_span_angle  = qde.attribute("angle", "-1440").toDouble() * 16;
+	double x=0, y=0, w=0, h=0;
+	if (propertyDouble(qde, "x", &x) == PropertyFlags::NoValidConversion ||
+		propertyDouble(qde, "y", &y) == PropertyFlags::NoValidConversion ||
+		propertyDouble(qde, "width", &w) == PropertyFlags::NoValidConversion ||
+		propertyDouble(qde, "height", &h) == PropertyFlags::NoValidConversion)
+		return false;
+
+	m_rect = QRectF(mapFromScene(x, y), QSizeF(w, h) );
+
+	m_start_angle = 0;
+	if (propertyDouble(qde, "start", &m_start_angle)  == PropertyFlags::NoValidConversion)
+		return false;
+	m_start_angle *= 16;
+
+	m_span_angle = -1440;
+	if (propertyDouble(qde, "angle", &m_span_angle) == PropertyFlags::NoValidConversion)
+		return false;
+	m_span_angle *= 16;
+
+	return true;
+}
+
+bool PartArc::valideXml(QDomElement& element) {
+
+	if (propertyDouble(element, "x") == PropertyFlags::NoValidConversion ||
+		propertyDouble(element, "y") == PropertyFlags::NoValidConversion ||
+		propertyDouble(element, "width") == PropertyFlags::NoValidConversion ||
+		propertyDouble(element, "height") == PropertyFlags::NoValidConversion ||
+		propertyDouble(element, "start")  == PropertyFlags::NoValidConversion ||
+		propertyDouble(element, "angle") == PropertyFlags::NoValidConversion)
+		return false;
+	return true;
 }
 
 /**

sources/editor/graphicspart/partarc.h

@@ -49,10 +49,13 @@ class PartArc : public AbstractPartEllipse
 		void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget * = nullptr) override;
 
 			//Name and XML
-		QString name()    const override { return(QObject::tr("arc", "element part name")); }
+		QString name()	const override { return(QObject::tr("arc", "element part name")); }
 		QString xmlName() const override { return(QString("arc")); }
-		const QDomElement toXml   (QDomDocument &) const override;
-		void              fromXml (const QDomElement &) override;
+		QDomElement toXml   (QDomDocument &) const override;
+		bool fromXml (const QDomElement &) override;
+		static bool valideXml(QDomElement& element);
+        void toSettings(QSettings &,const QString & = QString()) const override {/*TODO: implement*/}
+        void fromSettings(QSettings &,const QString & = QString()) override{/*TODO: implement*/}
 
 		QPainterPath shape() const override;
 		QPainterPath shadowShape() const override;
@@ -70,7 +73,7 @@ class PartArc : public AbstractPartEllipse
 		void switchResizeMode();
 		void adjusteHandlerPos();
 		void handlerMousePressEvent   (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
-		void handlerMouseMoveEvent    (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
+		void handlerMouseMoveEvent	(QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
 		void handlerMouseReleaseEvent (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
 		void sceneSelectionChanged ();
 		

sources/editor/graphicspart/partdynamictextfield.cpp

@@ -92,36 +92,37 @@ void PartDynamicTextField::handleUserTransformation(
 	@param dom_doc
 	@return
 */
-const QDomElement PartDynamicTextField::toXml(QDomDocument &dom_doc) const
+QDomElement PartDynamicTextField::toXml(QDomDocument &dom_doc) const
 {
 	QDomElement root_element = dom_doc.createElement(xmlName());
 
-	root_element.setAttribute("x", QString::number(pos().x()));
-	root_element.setAttribute("y", QString::number(pos().y()));
-	root_element.setAttribute("z", QString::number(zValue()));
-	root_element.setAttribute("rotation", QString::number(QET::correctAngle(rotation())));
-	root_element.setAttribute("font", font().toString());
-	root_element.setAttribute("uuid", m_uuid.toString());
-	root_element.setAttribute("frame", m_frame? "true" : "false");
-	root_element.setAttribute("text_width", QString::number(m_text_width));
+	root_element.appendChild(createXmlProperty(dom_doc, "x", pos().x()));
+	root_element.appendChild(createXmlProperty(dom_doc, "y", pos().y()));
+	root_element.appendChild(createXmlProperty(dom_doc, "z", zValue()));
+	root_element.appendChild(createXmlProperty(dom_doc, "rotation", QET::correctAngle(rotation())));
+
+	root_element.appendChild(createXmlProperty(dom_doc, "font", font().toString()));
+	root_element.appendChild(createXmlProperty(dom_doc, "uuid", m_uuid));
+	root_element.appendChild(createXmlProperty(dom_doc, "frame", m_frame));
+	root_element.appendChild(createXmlProperty(dom_doc, "text_width", m_text_width));
 
 	QMetaEnum me = DynamicElementTextItem::textFromMetaEnum();
-	root_element.setAttribute("text_from", me.valueToKey(m_text_from));
+	root_element.appendChild(createXmlProperty(dom_doc, "text_from", me.valueToKey(m_text_from)));
 
 	me = QMetaEnum::fromType<Qt::Alignment>();
 	if(this -> alignment() &Qt::AlignRight)
-		root_element.setAttribute("Halignment", me.valueToKey(Qt::AlignRight));
+		root_element.appendChild(createXmlProperty(dom_doc, "Halignment", me.valueToKey(Qt::AlignRight)));
 	else if(this -> alignment() &Qt::AlignLeft)
-		root_element.setAttribute("Halignment", me.valueToKey(Qt::AlignLeft));
+		root_element.appendChild(createXmlProperty(dom_doc, "Halignment", me.valueToKey(Qt::AlignLeft)));
 	else if(this -> alignment() &Qt::AlignHCenter)
-		root_element.setAttribute("Halignment", me.valueToKey(Qt::AlignHCenter));
+		root_element.appendChild(createXmlProperty(dom_doc, "Halignment", me.valueToKey(Qt::AlignHCenter)));
 
 	if(this -> alignment() &Qt::AlignBottom)
-		root_element.setAttribute("Valignment", me.valueToKey(Qt::AlignBottom));
+		root_element.appendChild(createXmlProperty(dom_doc, "Valignment", me.valueToKey(Qt::AlignBottom)));
 	else if(this -> alignment() & Qt::AlignTop)
-		root_element.setAttribute("Valignment", me.valueToKey(Qt::AlignTop));
+		root_element.appendChild(createXmlProperty(dom_doc, "Valignment", me.valueToKey(Qt::AlignTop)));
 	else if(this -> alignment() &Qt::AlignVCenter)
-		root_element.setAttribute("Valignment", me.valueToKey(Qt::AlignVCenter));
+		root_element.appendChild(createXmlProperty(dom_doc, "Valignment", me.valueToKey(Qt::AlignVCenter)));
 
 	QDomElement dom_text = dom_doc.createElement("text");
 	dom_text.appendChild(dom_doc.createTextNode(toPlainText()));
@@ -155,25 +156,31 @@ const QDomElement PartDynamicTextField::toXml(QDomDocument &dom_doc) const
 	@brief PartDynamicTextField::fromXml
 	@param dom_elmt
 */
-void PartDynamicTextField::fromXml(const QDomElement &dom_elmt) {
+bool PartDynamicTextField::fromXml(const QDomElement &dom_elmt)
+{
 	if (dom_elmt.tagName() != xmlName()) {
 		qDebug() << "PartDynamicTextField::fromXml : Wrong tagg name";
-		return;
+		return false;
 	}
 
-	QGraphicsTextItem::setPos(
-		dom_elmt.attribute("x", QString::number(0)).toDouble(),
-		dom_elmt.attribute("y", QString::number(0)).toDouble()
-	);
-	setZValue(dom_elmt.attribute("z", QString::number(zValue())).toDouble());
-	QGraphicsTextItem::setRotation(dom_elmt.attribute("rotation", QString::number(0)).toDouble());
+	double x=0, y=0, z=0, rot=0;
+	if (propertyDouble(dom_elmt, "x", &x) == PropertyFlags::NoValidConversion ||
+		propertyDouble(dom_elmt, "y", &y) == PropertyFlags::NoValidConversion ||
+		propertyDouble(dom_elmt, "z", &z) == PropertyFlags::NoValidConversion ||
+		propertyDouble(dom_elmt, "rotation", &rot) == PropertyFlags::NoValidConversion)
+		return false;
 	
-	if (dom_elmt.hasAttribute("font")) {
+	QGraphicsTextItem::setPos(x, y);
+	setZValue(z);
+	QGraphicsTextItem::setRotation(rot);
+
+	QString font;
+	if (propertyString(dom_elmt, "font", &font) == PropertyFlags::Success)
+	{
 		QFont font_;
-		font_.fromString(dom_elmt.attribute("font"));
+		font_.fromString(font);
 		setFont(font_);
-	}
-	else {
+	} else {	//Keep compatibility TODO remove in futur
 #if TODO_LIST
 #pragma message("@TODO remove in futur")
 #endif
@@ -181,19 +188,24 @@ void PartDynamicTextField::fromXml(const QDomElement &dom_elmt) {
 		setFont(QETApp::dynamicTextsItemFont(9));
 	}
 
-	m_uuid = QUuid(dom_elmt.attribute("uuid", QUuid::createUuid().toString()));
-	setFrame(dom_elmt.attribute("frame", "false") == "true"? true : false);
-	setTextWidth(dom_elmt.attribute("text_width", QString::number(-1)).toDouble());
+	propertyUuid(dom_elmt, "uuid", &m_uuid);
+	bool frame;
+	propertyBool(dom_elmt, "frame", &frame);
+
+	double text_width=-1;
+	propertyDouble(dom_elmt, "text_width", &text_width);
+	setTextWidth(text_width);
 
 	QMetaEnum me = DynamicElementTextItem::textFromMetaEnum();
-	m_text_from = DynamicElementTextItem::TextFrom(
-		me.keyToValue(dom_elmt.attribute("text_from").toStdString().data()));
+	QString text_from;
+	propertyString(dom_elmt, "text_from", &text_from);
+	m_text_from = DynamicElementTextItem::TextFrom(me.keyToValue(text_from.toStdString().data()));
 
 	me = QMetaEnum::fromType<Qt::Alignment>();
-	if(dom_elmt.hasAttribute("Halignment"))
-		setAlignment(Qt::Alignment(
-			me.keyToValue(dom_elmt.attribute("Halignment").toStdString().data())));
-	if(dom_elmt.hasAttribute(("Valignment")))
+	QString alignment;
+	if(propertyString(dom_elmt, "Halignment", &alignment) != PropertyFlags::NotFound)
+		setAlignment(Qt::Alignment(me.keyToValue(alignment.toStdString().data())));
+	if(propertyString(dom_elmt, "Valignment", &alignment) != PropertyFlags::NotFound)
 		setAlignment(Qt::Alignment(
 			me.keyToValue(dom_elmt.attribute("Valignment").toStdString().data())) | this -> alignment());
 
@@ -220,6 +232,29 @@ void PartDynamicTextField::fromXml(const QDomElement &dom_elmt) {
 	QDomElement dom_color = dom_elmt.firstChildElement("color");
 	if(!dom_color.isNull())
 		setColor(QColor(dom_color.text()));
+
+	return true;
+}
+
+bool PartDynamicTextField::valideXml(QDomElement& dom_elmt) {
+	if (propertyDouble(dom_elmt, "x") == PropertyFlags::NoValidConversion ||
+		propertyDouble(dom_elmt, "y") == PropertyFlags::NoValidConversion ||
+		propertyDouble(dom_elmt, "z") == PropertyFlags::NoValidConversion ||
+		propertyDouble(dom_elmt, "rotation") == PropertyFlags::NoValidConversion)
+		return false;
+
+	if (propertyUuid(dom_elmt, "uuid") == PropertyFlags::NoValidConversion)
+		return false;
+
+	if (propertyString(dom_elmt, "text_from"))
+		return false;
+
+	if(propertyString(dom_elmt, "Halignment") == PropertyFlags::NotFound)
+		return false;
+	if(propertyString(dom_elmt, "Valignment") == PropertyFlags::NotFound)
+		return false;
+
+	return true;
 }
 
 /**
@@ -463,7 +498,7 @@ void PartDynamicTextField::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
 		m_origine_pos != pos()) {
 			QPropertyUndoCommand *undo =\
 				new QPropertyUndoCommand(this, "pos", QVariant(m_origine_pos), QVariant(pos()));
-			undo -> setText(tr("Déplacer un champ texte"));
+			undo -> setText(tr("D??placer un champ texte"));
 			undo -> enableAnimation();
 			elementScene() -> undoStack().push(undo);
 	}

sources/editor/graphicspart/partdynamictextfield.h

@@ -75,9 +75,12 @@ class PartDynamicTextField : public QGraphicsTextItem, public CustomElementPart
 		void startUserTransformation(const QRectF &initial_selection_rect) override;
 		void handleUserTransformation(const QRectF &initial_selection_rect, const QRectF &new_selection_rect) override;
 
-		const QDomElement toXml(QDomDocument &dom_doc) const override;
-		void fromXml(const QDomElement &dom_elmt) override;
+		QDomElement toXml(QDomDocument &dom_doc) const override;
+		bool fromXml(const QDomElement &dom_elmt) override;
 		void fromTextFieldXml(const QDomElement &dom_element);
+		static bool valideXml(QDomElement& dom_elmt);
+        void toSettings(QSettings &,const QString & = QString()) const override {/*TODO: implement*/}
+        void fromSettings(QSettings &,const QString & = QString()) override{/*TODO: implement*/}
 
 		DynamicElementTextItem::TextFrom textFrom() const;
 		void setTextFrom (DynamicElementTextItem::TextFrom text_from);
@@ -116,7 +119,7 @@ class PartDynamicTextField : public QGraphicsTextItem, public CustomElementPart
 				m_info_name,
 				m_composite_text;
 		DynamicElementTextItem::TextFrom m_text_from = DynamicElementTextItem::UserText;
-		QUuid m_uuid;
+		QUuid m_uuid{QUuid::createUuid()};
 		bool m_frame = false,
 			 m_first_add = true,
 			 m_block_alignment = false;

sources/editor/graphicspart/partellipse.cpp

@@ -83,26 +83,26 @@ void PartEllipse::paint(QPainter *painter, const QStyleOptionGraphicsItem *optio
 	@param xml_document : Xml document to use for create the xml element.
 	@return : an xml element that describe this ellipse
 */
-const QDomElement PartEllipse::toXml(QDomDocument &xml_document) const
+QDomElement PartEllipse::toXml(QDomDocument &xml_document) const
 {
 	QDomElement xml_element;
 	if (qFuzzyCompare(rect().width(), rect().height()))
 	{
 		xml_element = xml_document.createElement("circle");
-		xml_element.setAttribute("diameter", QString("%1").arg(rect().width()));
+		xml_element.appendChild(createXmlProperty(xml_document, "diameter", rect().width()));
 	}
 	else
 	{
 		xml_element = xml_document.createElement("ellipse");
-		xml_element.setAttribute("width",  QString("%1").arg(rect().width()));
-		xml_element.setAttribute("height", QString("%1").arg(rect().height()));
+		xml_element.appendChild(createXmlProperty(xml_document, "width", rect().width()));
+		xml_element.appendChild(createXmlProperty(xml_document, "height", rect().height()));
 	}
 
 	QPointF top_left(sceneTopLeft());
-	xml_element.setAttribute("x", QString("%1").arg(top_left.x()));
-	xml_element.setAttribute("y", QString("%1").arg(top_left.y()));
+	xml_element.appendChild(createXmlProperty(xml_document, "x", top_left.x()));
+	xml_element.appendChild(createXmlProperty(xml_document, "y", top_left.y()));
 
-	stylesToXml(xml_element);
+	stylesToXml(xml_document, xml_element);
 
 	return(xml_element);
 }
@@ -112,22 +112,51 @@ const QDomElement PartEllipse::toXml(QDomDocument &xml_document) const
 	Import the properties of this ellipse from a xml element.
 	@param qde : Xml document to use.
 */
-void PartEllipse::fromXml(const QDomElement &qde)
+bool PartEllipse::fromXml(const QDomElement &qde)
 {
 	stylesFromXml(qde);
-	qreal width, height;
+	double x=0, y=0, width=0, height=0;
 
 	if (qde.tagName() == "ellipse")
 	{
-		width = qde.attribute("width",  "0").toDouble();
-		height = qde.attribute("height", "0").toDouble();
+		if (propertyDouble(qde, "width", &width) == PropertyFlags::NoValidConversion ||
+			propertyDouble(qde, "height", &height) == PropertyFlags::NoValidConversion)
+			return false;
+	}
+	else {
+		if (propertyDouble(qde, "diameter", &width) == PropertyFlags::NoValidConversion)
+			return false;
+		height = width;
 	}
-	else
-		width = height = qde.attribute("diameter", "0").toDouble();
 
-	m_rect = QRectF(mapFromScene(qde.attribute("x", "0").toDouble(),
-								 qde.attribute("y", "0").toDouble()),
-					QSizeF(width, height));
+
+	if (propertyDouble(qde, "x", &x) == PropertyFlags::NoValidConversion ||
+		propertyDouble(qde, "y", &y) == PropertyFlags::NoValidConversion)
+		return false;
+
+	m_rect = QRectF(mapFromScene(x, y), QSizeF(width, height));
+
+	return true;
+}
+
+bool PartEllipse::valideXml(QDomElement& element) {
+	if (element.tagName() == "ellipse")
+	{
+		if (propertyDouble(element, "width") & PropertyFlags::NoValidConversion ||
+			propertyDouble(element, "height") & PropertyFlags::NoValidConversion)
+			return false;
+	}
+	else {
+		if (propertyDouble(element, "diameter") & PropertyFlags::NoValidConversion)
+			return false;
+	}
+
+
+	if ((propertyDouble(element, "x") & PropertyFlags::NoValidConversion) ||
+		(propertyDouble(element, "y") & PropertyFlags::NoValidConversion))
+		return false;
+
+	return true;
 }
 
 /**

sources/editor/graphicspart/partellipse.h

@@ -50,10 +50,13 @@ class PartEllipse : public  AbstractPartEllipse
 		void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget * = nullptr) override;
 
 			//Name and XML
-		QString name()    const override { return(QObject::tr("ellipse", "element part name")); }
+		QString name()	const override { return(QObject::tr("ellipse", "element part name")); }
 		QString xmlName() const override { return(QString("ellipse")); }
-		const QDomElement toXml   (QDomDocument &) const override;
-		void              fromXml (const QDomElement &) override;
+		QDomElement toXml   (QDomDocument &) const override;
+		bool  fromXml (const QDomElement &) override;
+		static bool valideXml(QDomElement& element);
+        void toSettings(QSettings &,const QString & = QString()) const override {/*TODO: implement*/}
+        void fromSettings(QSettings &,const QString & = QString()) override{/*TODO: implement*/}
 		QPainterPath shape() const override;
 		QPainterPath shadowShape() const override;
 		void setRect(const QRectF &rect) override {AbstractPartEllipse::setRect(rect); adjusteHandlerPos();}
@@ -67,7 +70,7 @@ class PartEllipse : public  AbstractPartEllipse
 		void switchResizeMode();
 		void adjusteHandlerPos();
 		void handlerMousePressEvent   (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
-		void handlerMouseMoveEvent    (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
+		void handlerMouseMoveEvent	(QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
 		void handlerMouseReleaseEvent (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
 		void sceneSelectionChanged ();
 		

sources/editor/graphicspart/partline.cpp

@@ -109,22 +109,24 @@ void PartLine::paint(QPainter *painter, const QStyleOptionGraphicsItem *options,
 	@param xml_document : Xml document to use for create the xml element.
 	@return an xml element that describe this line
 */
-const QDomElement PartLine::toXml(QDomDocument &xml_document) const
+QDomElement PartLine::toXml(QDomDocument &xml_document) const
 {
 	QPointF p1(sceneP1());
 	QPointF p2(sceneP2());
 
 	QDomElement xml_element = xml_document.createElement("line");
-	xml_element.setAttribute("x1", QString("%1").arg(p1.x()));
-	xml_element.setAttribute("y1", QString("%1").arg(p1.y()));
-	xml_element.setAttribute("x2", QString("%1").arg(p2.x()));
-	xml_element.setAttribute("y2", QString("%1").arg(p2.y()));
-	xml_element.setAttribute("end1", Qet::endTypeToString(first_end));
-	xml_element.setAttribute("length1", QString("%1").arg(first_length));
-	xml_element.setAttribute("end2", Qet::endTypeToString(second_end));
-	xml_element.setAttribute("length2", QString("%1").arg(second_length));
 
-	stylesToXml(xml_element);
+	xml_element.appendChild(createXmlProperty(xml_document, "x1", p1.x()));
+	xml_element.appendChild(createXmlProperty(xml_document, "y1", p1.y()));
+	xml_element.appendChild(createXmlProperty(xml_document, "x2", p2.x()));
+	xml_element.appendChild(createXmlProperty(xml_document, "y2", p2.y()));
+
+	xml_element.appendChild(createXmlProperty(xml_document, "end1", Qet::endTypeToString(first_end)));
+	xml_element.appendChild(createXmlProperty(xml_document, "length1", first_length));
+	xml_element.appendChild(createXmlProperty(xml_document, "end2", Qet::endTypeToString(second_end)));
+	xml_element.appendChild(createXmlProperty(xml_document, "length2", second_length));
+	
+	stylesToXml(xml_document, xml_element);
 	return(xml_element);
 }
 
@@ -133,17 +135,48 @@ const QDomElement PartLine::toXml(QDomDocument &xml_document) const
 	Import the properties of this line from a xml element.
 	@param qde : Xml document to use
 */
-void PartLine::fromXml(const QDomElement &qde) {
+bool PartLine::fromXml(const QDomElement &qde) {
 	stylesFromXml(qde);
-	m_line = QLineF(mapFromScene(qde.attribute("x1", "0").toDouble(),
-								 qde.attribute("y1", "0").toDouble()),
-					mapFromScene(qde.attribute("x2", "0").toDouble(),
-								 qde.attribute("y2", "0").toDouble()));
 
-	first_end     = Qet::endTypeFromString(qde.attribute("end1"));
-	first_length  = qde.attribute("length1", "1.5").toDouble();
-	second_end    = Qet::endTypeFromString(qde.attribute("end2"));
-	second_length = qde.attribute("length2", "1.5").toDouble();
+	double x1 = 0, y1 = 0, x2 = 0, y2 = 0;
+	if (propertyDouble(qde, "x1", &x1) == PropertyFlags::NoValidConversion ||
+	propertyDouble(qde, "y1", &y1) == PropertyFlags::NoValidConversion ||
+	propertyDouble(qde, "x2", &x2) == PropertyFlags::NoValidConversion ||
+	propertyDouble(qde, "y2", &y2) == PropertyFlags::NoValidConversion)
+		return false;
+
+	m_line = QLineF(mapFromScene(x1, y1),
+					mapFromScene(x2, y2));
+
+	QString s;
+	if (propertyString(qde, "end1", &s) != PropertyFlags::Success)
+		return false;
+	first_end = Qet::endTypeFromString(s);
+
+	if (propertyString(qde, "end2", &s) != PropertyFlags::Success)
+		return false;
+
+	first_end = Qet::endTypeFromString(s);
+
+	if (propertyDouble(qde, "length1", &first_length) == PropertyFlags::NoValidConversion ||
+		propertyDouble(qde, "length2", &second_length) == PropertyFlags::NoValidConversion)
+		return false;
+
+	return true;
+}
+
+bool PartLine::valideXml(QDomElement& element) const {
+	if (propertyDouble(element, "x1") ||
+		propertyDouble(element, "y1") ||
+		propertyDouble(element, "x2") ||
+		propertyDouble(element, "y2") ||
+		propertyString(element, "end1") ||
+		propertyString(element, "end2") ||
+		propertyDouble(element, "length1") ||
+		propertyDouble(element, "length2") )
+		return false;
+
+	return true;
 }
 
 /**

sources/editor/graphicspart/partline.h

@@ -70,8 +70,11 @@ class PartLine : public CustomElementGraphicPart
 		void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget * = nullptr) override;
 		QString name() const override { return(QObject::tr("ligne", "element part name")); }
 		QString xmlName() const override { return(QString("line")); }
-		const QDomElement toXml(QDomDocument &) const override;
-		void fromXml(const QDomElement &) override;
+		QDomElement toXml(QDomDocument &) const override;
+		bool fromXml(const QDomElement &) override;
+		bool valideXml(QDomElement& element) const;
+        void toSettings(QSettings &,const QString & = QString()) const override {/*TODO: implement*/}
+        void fromSettings(QSettings &,const QString & = QString()) override{/*TODO: implement*/}
 		virtual QPointF sceneP1() const;
 		virtual QPointF sceneP2() const;
 		QPainterPath shape() const override;
@@ -102,7 +105,7 @@ class PartLine : public CustomElementGraphicPart
 	private:
 		void adjusteHandlerPos();
 		void handlerMousePressEvent   (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
-		void handlerMouseMoveEvent    (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
+		void handlerMouseMoveEvent	(QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
 		void handlerMouseReleaseEvent (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
 		void sceneSelectionChanged ();
 		
@@ -115,10 +118,10 @@ class PartLine : public CustomElementGraphicPart
 
 		/*****************/
 		Qet::EndType first_end;
-		qreal        first_length;
+		qreal		first_length{1.5};
 
 		Qet::EndType second_end;
-		qreal        second_length;
+		qreal		second_length{1.5};
 		QList<QPointF> saved_points_;
 		QLineF m_line;
 		int m_vector_index = -1;

sources/editor/graphicspart/partpolygon.cpp

@@ -89,29 +89,37 @@ void PartPolygon::paint(QPainter *painter, const QStyleOptionGraphicsItem *optio
 	Import the properties of this polygon from a xml element
 	@param qde : Xml document to use
 */
-void PartPolygon::fromXml(const QDomElement &qde)
+bool PartPolygon::fromXml(const QDomElement &qde)
 {
 	stylesFromXml(qde);
 
+	int error_counter = 0;
 	int i = 1;
 	while(true)
 	{
-		if (QET::attributeIsAReal(qde, QString("x%1").arg(i)) &&\
-			QET::attributeIsAReal(qde, QString("y%1").arg(i)))
-			++ i;
+		if (propertyDouble(qde, QString("x%1").arg(i)) == PropertyFlags::Success &&
+			propertyDouble(qde, QString("y%1").arg(i)) == PropertyFlags::Success)
+			i++;
 
 		else break;
 	}
 
 	QPolygonF temp_polygon;
+	double x, y;
 	for (int j = 1 ; j < i ; ++ j)
 	{
-		temp_polygon << QPointF(qde.attribute(QString("x%1").arg(j)).toDouble(),
-								qde.attribute(QString("y%1").arg(j)).toDouble());
+		error_counter += propertyDouble(qde, QString("x%1").arg(j), &x);
+		error_counter += propertyDouble(qde, QString("y%1").arg(j), &y);
+		if (error_counter)
+			return false;
+		temp_polygon << QPointF(x, y);
 	}
 	m_polygon = temp_polygon;
 
-	m_closed = qde.attribute("closed") != "false";
+	if (propertyBool(qde, "closed", &m_closed) != PropertyFlags::Success)
+		return false;
+
+	return true;
 }
 
 /**
@@ -120,21 +128,28 @@ void PartPolygon::fromXml(const QDomElement &qde)
 	@param xml_document : Xml document to use for create the xml element
 	@return an xml element that describe this polygon
 */
-const QDomElement PartPolygon::toXml(QDomDocument &xml_document) const
+QDomElement PartPolygon::toXml(QDomDocument &xml_document) const
 {
 	QDomElement xml_element = xml_document.createElement("polygon");
 	int i = 1;
 	foreach(QPointF point, m_polygon) {
 		point = mapToScene(point);
-		xml_element.setAttribute(QString("x%1").arg(i), QString("%1").arg(point.x()));
-		xml_element.setAttribute(QString("y%1").arg(i), QString("%1").arg(point.y()));
+		xml_element.appendChild(createXmlProperty(xml_document, QString("x%1").arg(i), point.x()));
+		xml_element.appendChild(createXmlProperty(xml_document, QString("y%1").arg(i), point.y()));
 		++ i;
 	}
-	if (!m_closed) xml_element.setAttribute("closed", "false");
-	stylesToXml(xml_element);
+
+	xml_element.appendChild(createXmlProperty(xml_document, "closed", m_closed));
+
+	stylesToXml(xml_document, xml_element);
 	return(xml_element);
 }
 
+bool PartPolygon::valideXml(QDomElement& element) {
+	// TODO: implement
+	return true;
+}
+
 /**
 	@brief PartPolygon::isUseless
 	@return true if this part is irrelevant and does not deserve to be Retained / registered.
@@ -525,7 +540,7 @@ void PartPolygon::insertPoint()
 	if(new_polygon != m_polygon)
 	{
 			//Wrap the undo for avoid to merge the undo commands when user add several points.
-		QUndoCommand *undo = new QUndoCommand(tr("Ajouter un point à un polygone"));
+		QUndoCommand *undo = new QUndoCommand(tr("Ajouter un point ?? un polygone"));
 		new QPropertyUndoCommand(this, "polygon", m_polygon, new_polygon, undo);
 		elementScene()->undoStack().push(undo);
 	}

sources/editor/graphicspart/partpolygon.h

@@ -61,8 +61,12 @@ class PartPolygon : public CustomElementGraphicPart
 
 		QString name() const override { return(QObject::tr("polygone", "element part name")); }
 		QString xmlName() const override { return(QString("polygon")); }
-		void fromXml(const QDomElement &) override;
-		const QDomElement toXml(QDomDocument &) const override;
+		bool fromXml(const QDomElement &) override;
+		QDomElement toXml(QDomDocument &) const override;
+		static bool valideXml(QDomElement& element);
+        void toSettings(QSettings &,const QString & = QString()) const override {/*TODO: implement*/}
+        void fromSettings(QSettings &,const QString & = QString()) override{/*TODO: implement*/}
+
 
 		QPainterPath shape () const override;
 		QPainterPath shadowShape() const override;
@@ -77,8 +81,8 @@ class PartPolygon : public CustomElementGraphicPart
 		QPolygonF polygon () const;
 		void setPolygon   (const QPolygonF &polygon);
 
-		void addPoint        (const QPointF &point);
-		void setLastPoint    (const QPointF &point);
+		void addPoint		(const QPointF &point);
+		void setLastPoint	(const QPointF &point);
 		void removeLastPoint ();	
 
 		bool isClosed  () const {return m_closed;}
@@ -95,7 +99,7 @@ class PartPolygon : public CustomElementGraphicPart
 	private:
 		void adjusteHandlerPos();
 		void handlerMousePressEvent   (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
-		void handlerMouseMoveEvent    (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
+		void handlerMouseMoveEvent	(QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
 		void handlerMouseReleaseEvent (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
 		void sceneSelectionChanged ();
 		

sources/editor/graphicspart/partrectangle.cpp

@@ -84,14 +84,15 @@ void PartRectangle::paint(QPainter *painter, const QStyleOptionGraphicsItem *opt
 	@param xml_document : Xml document to use for create the xml element.
 	@return an xml element that describe this ellipse
 */
-const QDomElement PartRectangle::toXml(QDomDocument &xml_document) const
+QDomElement PartRectangle::toXml(QDomDocument &xml_document) const
 {
 	QDomElement xml_element = xml_document.createElement("rect");
 	QPointF top_left(sceneTopLeft());
-	xml_element.setAttribute("x", QString("%1").arg(top_left.x()));
-	xml_element.setAttribute("y", QString("%1").arg(top_left.y()));
-	xml_element.setAttribute("width",  QString("%1").arg(m_rect.width()));
-	xml_element.setAttribute("height", QString("%1").arg(m_rect.height()));
+
+	xml_element.appendChild(createXmlProperty(xml_document, "x", top_left.x()));
+	xml_element.appendChild(createXmlProperty(xml_document, "y", top_left.y()));
+	xml_element.appendChild(createXmlProperty(xml_document, "width", m_rect.width()));
+	xml_element.appendChild(createXmlProperty(xml_document, "height", m_rect.height()));
 
 	QRectF rect = m_rect.normalized();
 	qreal x = m_xRadius;
@@ -106,7 +107,10 @@ const QDomElement PartRectangle::toXml(QDomDocument &xml_document) const
 	xml_element.setAttribute("rx", QString::number(m_xRadius));
 	xml_element.setAttribute("ry", QString::number(m_yRadius));
 
-	stylesToXml(xml_element);
+	xml_element.appendChild(createXmlProperty(xml_document, "rx", m_xRadius));
+	xml_element.appendChild(createXmlProperty(xml_document, "ry", m_yRadius));
+	
+	stylesToXml(xml_document, xml_element);
 	return(xml_element);
 }
 
@@ -115,18 +119,45 @@ const QDomElement PartRectangle::toXml(QDomDocument &xml_document) const
 	Import the properties of this rectangle from a xml element.
 	@param qde : Xml document to use.
 */
-void PartRectangle::fromXml(const QDomElement &qde)
+bool PartRectangle::fromXml(const QDomElement &qde)
 {
 	stylesFromXml(qde);
-	setPos(mapFromScene(qde.attribute("x", "0").toDouble(),
-						qde.attribute("y", "0").toDouble()));
 
-	QRectF rect(QPointF(0,0), QSizeF(qde.attribute("width",  "0").toDouble(),
-									 qde.attribute("height", "0").toDouble()));
+	double x=0, y=0, w=0, h=0, rx=0, ry=0;
+	if (propertyDouble(qde, "x", &x) == PropertyFlags::NoValidConversion ||
+		propertyDouble(qde, "y", &y) == PropertyFlags::NoValidConversion)
+		return false;
+
+	setPos(mapFromScene(x, y));
+
+	if (propertyDouble(qde, "width", &w) == PropertyFlags::NoValidConversion ||
+        propertyDouble(qde, "height", &h) == PropertyFlags::NoValidConversion)
+		return false;
+
+    QRectF rect(QPointF(0,0), QSizeF(w, h));
 
 	setRect(rect.normalized());
-	setXRadius(qde.attribute("rx", "0").toDouble());
-	setYRadius(qde.attribute("ry", "0").toDouble());
+
+	if (propertyDouble(qde, "rx", &rx) == PropertyFlags::NoValidConversion ||
+		propertyDouble(qde, "ry", &ry) == PropertyFlags::NoValidConversion)
+		return false;
+
+	setXRadius(rx);
+	setYRadius(ry);
+
+	return true;
+}
+
+bool PartRectangle::valideXml(QDomElement& element) {
+	// parameters have default values so no value is not a non valid xml element
+	if ((propertyDouble(element, "x") & PropertyFlags::NoValidConversion) |
+		(propertyDouble(element, "y") & PropertyFlags::NoValidConversion) |
+		(propertyDouble(element, "width") & PropertyFlags::NoValidConversion) |
+        (propertyDouble(element, "height") & PropertyFlags::NoValidConversion) |
+		(propertyDouble(element, "rx") & PropertyFlags::NoValidConversion) |
+		(propertyDouble(element, "ry") & PropertyFlags::NoValidConversion))
+		return false;
+	return true;
 }
 
 /**
@@ -536,9 +567,9 @@ void PartRectangle::addHandler()
 		for (QetGraphicsHandlerItem *handler : m_handler_vector)
 		{
 			QColor color;
-			if(m_resize_mode == 1)       {color = Qt::blue;}
+			if(m_resize_mode == 1)	   {color = Qt::blue;}
 			else if (m_resize_mode == 2) {color = Qt::darkGreen;}
-			else                         {color = Qt::magenta;}
+			else						 {color = Qt::magenta;}
 
 			handler->setColor(color);
 			scene()->addItem(handler);

sources/editor/graphicspart/partrectangle.h

@@ -55,13 +55,16 @@ class PartRectangle :  public CustomElementGraphicPart
 				Enable the use of qgraphicsitem_cast to safely cast a QGraphicsItem into a PartRectangle.
 				@return the QGraphicsItem type
 			*/
-		int     type  () const override { return Type; }
-		void    paint (QPainter *, const QStyleOptionGraphicsItem *, QWidget * = nullptr) override;
+		int	 type  () const override { return Type; }
+		void	paint (QPainter *, const QStyleOptionGraphicsItem *, QWidget * = nullptr) override;
 		QString name  () const override { return(QObject::tr("rectangle", "element part name")); }
 
-		QString           xmlName () const override { return(QString("rect")); }
-		const QDomElement toXml   (QDomDocument &) const override;
-		void              fromXml (const QDomElement &) override;
+		QString		   xmlName () const override { return(QString("rect")); }
+		QDomElement toXml   (QDomDocument &) const override;
+		bool fromXml (const QDomElement &) override;
+		static bool valideXml(QDomElement& element);
+        void toSettings(QSettings &,const QString & = QString()) const override {/*TODO: implement*/}
+        void fromSettings(QSettings &,const QString & = QString()) override{/*TODO: implement*/}
 
 		QRectF rect() const;
 		void   setRect(const QRectF &rect);
@@ -90,7 +93,7 @@ class PartRectangle :  public CustomElementGraphicPart
 		void switchResizeMode();
 		void adjusteHandlerPos();
 		void handlerMousePressEvent   (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
-		void handlerMouseMoveEvent    (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
+		void handlerMouseMoveEvent	(QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
 		void handlerMouseReleaseEvent (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
 		void sceneSelectionChanged ();
 		

sources/editor/graphicspart/partterminal.cpp

@@ -29,6 +29,7 @@ PartTerminal::PartTerminal(QETElementEditor *editor, QGraphicsItem *parent) :
 	CustomElementGraphicPart(editor, parent)
 {
 	d = new TerminalData(this);
+	d->m_name = tr("terminal");
 	d -> m_orientation = Qet::North;
 	d -> m_uuid = QUuid::createUuid(); // if part is loaded this uuid will be overwritten, but being sure that terminal has a uuid
 	updateSecondPoint();
@@ -44,10 +45,20 @@ PartTerminal::~PartTerminal()
 	Importe les proprietes d'une borne depuis un element XML
 	@param xml_elmt Element XML a lire
 */
-void PartTerminal::fromXml(const QDomElement &xml_elmt) {
-	d -> fromXml(xml_elmt);
+bool PartTerminal::fromXml(const QDomElement &xml_elmt) {
+
+	// update part and add uuid, which is used in the new version to connect terminals together
+	// if the attribute not exists, means, the element is created with an older version of qet. So use the legacy approach
+	// to identify terminals
+	propertyUuid(xml_elmt, "uuid", &d->m_uuid);
+
+	if (!d->fromXml(xml_elmt))
+		return false;
+
 	setPos(d -> m_pos);
 	updateSecondPoint();
+
+	return true;
 }
 
 /**
@@ -55,9 +66,25 @@ void PartTerminal::fromXml(const QDomElement &xml_elmt) {
 	@param xml_document Document XML a utiliser pour creer l'element XML
 	@return un element XML decrivant la borne
 */
-const QDomElement PartTerminal::toXml(QDomDocument &xml_document) const
-{
-	return d -> toXml(xml_document);
+QDomElement PartTerminal::toXml(QDomDocument &xml_document) const {
+
+	QDomElement qdo = xml_document.createElement("terminal");
+
+	qdo.appendChild(createXmlProperty(xml_document, "uuid", d->m_uuid));
+
+	d->m_pos = pos();
+
+	// Do not store terminal data in its own child
+	QDomElement terminalDataElement = d->toXml(xml_document);
+	for (int i=0; i < terminalDataElement.childNodes().length(); i++) {
+		qdo.appendChild(terminalDataElement.childNodes().at(i).cloneNode()); // cloneNode() is important, otherwise no deep clone is made
+	}
+
+	return qdo;
+}
+
+bool PartTerminal::valideXml(QDomElement& element) {
+	return TerminalData::valideXml(element);
 }
 
 /**
@@ -75,8 +102,8 @@ void PartTerminal::paint(
 	painter -> save();
 
 	// annulation des renderhints
-	painter -> setRenderHint(QPainter::Antialiasing,          false);
-	painter -> setRenderHint(QPainter::TextAntialiasing,      false);
+	painter -> setRenderHint(QPainter::Antialiasing,		  false);
+	painter -> setRenderHint(QPainter::TextAntialiasing,	  false);
 	painter -> setRenderHint(QPainter::SmoothPixmapTransform, false);
 
 	QPen t;

sources/editor/graphicspart/partterminal.h

@@ -53,9 +53,12 @@ class PartTerminal : public CustomElementGraphicPart {
 		int type() const override { return Type; }
 		QString name() const override { return d -> m_name; }
 		QString xmlName() const override { return(QString("terminal")); }
-		void fromXml(const QDomElement &) override;
-		const QDomElement toXml(QDomDocument &) const override;
-		void paint(
+		bool fromXml(const QDomElement &) override;
+		QDomElement toXml(QDomDocument &) const override;
+		static bool valideXml(QDomElement& element);
+        void toSettings(QSettings &,const QString & = QString()) const override {/*TODO: implement*/}
+        void fromSettings(QSettings &,const QString & = QString()) override{/*TODO: implement*/}
+	void paint(
 				QPainter *painter,
 				const QStyleOptionGraphicsItem *,
 				QWidget *) override;
@@ -76,7 +79,7 @@ class PartTerminal : public CustomElementGraphicPart {
 
 	private:
 		void updateSecondPoint();
-		TerminalData* d; // pointer to the terminal data
+        TerminalData* d{nullptr}; // pointer to the terminal data
 
 	private:
 		QPointF saved_position_;

sources/editor/graphicspart/parttext.cpp

@@ -42,8 +42,8 @@ PartText::PartText(QETElementEditor *editor, QGraphicsItem *parent) :
 	setAcceptHoverEvents(true);
 	setDefaultTextColor(Qt::black);
 	setPlainText(QObject::tr(
-			     "T",
-			     "default text when adding a text in the element editor"));
+				 "T",
+				 "default text when adding a text in the element editor"));
 
 	adjustItemPosition(1);
 	// adjust textfield position after line additions/deletions
@@ -66,29 +66,49 @@ PartText::~PartText()
 	Importe les proprietes d'un texte statique depuis un element XML
 	@param xml_element Element XML a lire
 */
-void PartText::fromXml(const QDomElement &xml_element) {
-	bool ok;
+bool PartText::fromXml(const QDomElement &xml_element)
+{
+	int size;
+	QString font;
 
-	if (xml_element.hasAttribute("size")) {
-		int font_size = xml_element.attribute("size").toInt(&ok);
-		if (!ok || font_size < 1) {
-			font_size = 20;
+	if (propertyInteger(xml_element, "size", &size) != PropertyFlags::NotFound)
+	{
+		if (size < 1) {
+			size = 20;
 		}
 		QFont font_ = this -> font();
-		font_.setPointSize(font_size);
+		font_.setPointSize(size);
 		setFont(font_);
 	}
-	else if (xml_element.hasAttribute("font")) {
+	else if (propertyString(xml_element, "font", &font) != PropertyFlags::NotFound)
+	{
 		QFont font_;
-		font_.fromString(xml_element.attribute("font"));
+		font_.fromString(font);
 		setFont(font_);
+	} else {
+		return false;
 	}
 
-	setDefaultTextColor(QColor(xml_element.attribute("color", "#000000")));
-	setPlainText(xml_element.attribute("text"));
-	setPos(xml_element.attribute("x").toDouble(),
-			xml_element.attribute("y").toDouble());
-	setRotation(xml_element.attribute("rotation", QString::number(0)).toDouble());
+	QColor color;
+	QString text;
+	propertyColor(xml_element, "color", &color);
+	setDefaultTextColor(color);
+
+
+	propertyString(xml_element, "text", &text);
+	setPlainText(text);
+
+	double x=0, y=0, rot=0;
+	if (propertyDouble(xml_element, "x", &x) == PropertyFlags::NoValidConversion ||
+		propertyDouble(xml_element, "y", &y) == PropertyFlags::NoValidConversion)
+		return false;
+	setPos(x, y);
+
+	if (propertyDouble(xml_element, "rotation", &rot) == PropertyFlags::NoValidConversion)
+		return false;
+	setRotation(rot);
+
+	return true;
 }
 
 /**
@@ -96,20 +116,44 @@ void PartText::fromXml(const QDomElement &xml_element) {
 	@param xml_document Document XML a utiliser pour creer l'element XML
 	@return un element XML decrivant le texte statique
 */
-const QDomElement PartText::toXml(QDomDocument &xml_document) const
+QDomElement PartText::toXml(QDomDocument &xml_document) const
 {
 	QDomElement xml_element = xml_document.createElement(xmlName());
 
-	xml_element.setAttribute("x", QString::number(pos().x()));
-	xml_element.setAttribute("y", QString::number(pos().y()));
-	xml_element.setAttribute("text", toPlainText());
-	xml_element.setAttribute("font", font().toString());
-	xml_element.setAttribute("rotation", QString::number(rotation()));
-	xml_element.setAttribute("color", defaultTextColor().name());
+	xml_element.appendChild(createXmlProperty(xml_document, "x", pos().x()));
+	xml_element.appendChild(createXmlProperty(xml_document, "y", pos().y()));
+	xml_element.appendChild(createXmlProperty(xml_document, "text", toPlainText()));
+	xml_element.appendChild(createXmlProperty(xml_document, "font", font().toString()));
+	xml_element.appendChild(createXmlProperty(xml_document, "rotation", rotation()));
+	xml_element.appendChild(createXmlProperty(xml_document, "color", defaultTextColor().name()));
 
 	return(xml_element);
 }
 
+bool PartText::valideXml(QDomElement& element) {
+
+	if (propertyInteger(element, "size") == PropertyFlags::NotFound ||
+		propertyString(element, "font") == PropertyFlags::NotFound) {
+		return false;
+	}
+
+	if (propertyString(element, "color") == PropertyFlags::NoValidConversion)
+		return false;
+
+
+	if (propertyString(element, "text"))
+		return false;
+
+	if (propertyDouble(element, "x") == PropertyFlags::NoValidConversion ||
+		propertyDouble(element, "y") == PropertyFlags::NoValidConversion)
+		return false;
+
+	if (propertyDouble(element, "rotation", 0) == PropertyFlags::NoValidConversion)
+		return false;
+
+	return true;
+}
+
 /**
 	@return Les coordonnees du point situe en bas a gauche du texte.
 */

sources/editor/graphicspart/parttext.h

@@ -58,8 +58,11 @@ class PartText : public QGraphicsTextItem, public CustomElementPart {
 		int type() const override { return Type; }
 		QString name() const override { return(QObject::tr("texte", "element part name")); }
 		QString xmlName() const override { return(QString("text")); }
-		void fromXml(const QDomElement &) override;
-		const QDomElement toXml(QDomDocument &) const override;
+		bool fromXml(const QDomElement &) override;
+		static bool valideXml(QDomElement& element);
+        void toSettings(QSettings &,const QString & = QString()) const override {/*TODO: implement*/}
+        void fromSettings(QSettings &,const QString & = QString()) override{/*TODO: implement*/}
+		QDomElement toXml(QDomDocument &) const override;
 		void setRotation(qreal angle) {(QGraphicsObject::setRotation(QET::correctAngle(angle)));}
 		bool isUseless() const override;
 		QRectF sceneGeometricRect() const override;

sources/elementtextpattern.cpp

@@ -108,8 +108,7 @@ QDomDocument ExportElementTextPattern::xmlConf() const
 	root.setAttribute("name", m_name);
 	doc.appendChild(root);
 	
-	QHash<Terminal *, int> H;
-	QDomElement elmt = m_element->toXml(doc, H);
+	QDomElement elmt = m_element->toXml(doc);
 	QDomElement texts = elmt.firstChildElement("dynamic_texts");
 	QDomElement groups = elmt.firstChildElement("texts_groups");
 	

sources/machine_info.cpp

@@ -147,7 +147,15 @@ void Machine_info::send_info_to_debug()
 			+ " x "
 			+ QString::number(pc.screen.height[ii])
 			+ " )";
-	}
+		}
+}
+
+/**
+	@brief Machine_info::~Machine_info
+	destructor
+*/
+Machine_info::~Machine_info()
+{
 }
 
 /**

sources/machine_info.h

@@ -34,6 +34,7 @@ public:
 	int32_t i_max_screen_height();
 	QString compilation_info();
 	void send_info_to_debug();
+	~Machine_info();
 
 signals:
 

sources/properties/propertiesinterface.cpp

@@ -16,6 +16,19 @@
 	along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include "propertiesinterface.h"
+#include <QDebug>
+
+/*!
+ * Available property types
+ */
+namespace  {
+	const QString integerS = "int";
+	const QString doubleS = "double";
+	const QString boolS = "bool";
+	const QString stringS = "string";
+	const QString uuidS = "uuid";
+	const QString colorS = "color";
+}
 
 /**
 	@brief PropertiesInterface::PropertiesInterface
@@ -23,10 +36,303 @@
 PropertiesInterface::PropertiesInterface()
 {
 }
+
 /**
 	@brief PropertiesInterface::~PropertiesInterface
 */
 PropertiesInterface::~PropertiesInterface()
 {
-
+}
+
+bool PropertiesInterface::valideXml(QDomElement& element) {
+	qDebug(QString("ValideXml() is not implemented. File: %1, Line: %2").arg(__FILE__).arg(__LINE__).toStdString().data());
+	return false;
+}
+
+QDomElement PropertiesInterface::createXmlProperty(QDomDocument &doc, const QString& name, const QString value) {
+	QDomElement p = doc.createElement("property");
+	p.setAttribute("name", name);
+	p.setAttribute("type", stringS);
+	p.setAttribute("value", value);
+	return p;
+}
+
+QDomElement PropertiesInterface::createXmlProperty(QDomDocument &doc, const QString& name, const char* value) {
+	QDomElement p = doc.createElement("property");
+	p.setAttribute("name", name);
+	p.setAttribute("type", stringS);
+	p.setAttribute("value", value);
+	return p;
+}
+
+QDomElement PropertiesInterface::createXmlProperty(QDomDocument& doc, const QString& name, const int value) {
+	QDomElement p = doc.createElement("property");
+	p.setAttribute("name", name);
+	p.setAttribute("type", integerS);
+	p.setAttribute("value", QString::number(value));
+	return p;
+}
+
+QDomElement PropertiesInterface::createXmlProperty(QDomDocument& doc, const QString& name, const double value) {
+	QDomElement p = doc.createElement("property");
+	p.setAttribute("name", name);
+	p.setAttribute("type", doubleS);
+	p.setAttribute("value", QString::number(value));
+	return p;
+}
+
+QDomElement PropertiesInterface::createXmlProperty(QDomDocument& doc, const QString& name, const bool value) {
+	QDomElement p = doc.createElement("property");
+	p.setAttribute("name", name);
+	p.setAttribute("type", boolS);
+	p.setAttribute("value", QString::number(value));
+	return p;
+}
+
+QDomElement PropertiesInterface::createXmlProperty(QDomDocument& doc, const QString& name, const QUuid value) {
+	QDomElement p = doc.createElement("property");
+	p.setAttribute("name", name);
+	p.setAttribute("type", uuidS);
+	p.setAttribute("value", value.toString());
+	return p;
+}
+
+QDomElement PropertiesInterface::createXmlProperty(QDomDocument& doc, const QString& name, const QColor value) {
+	QDomElement p = doc.createElement("property");
+	p.setAttribute("name", name);
+	p.setAttribute("type", colorS);
+	p.setAttribute("value", value.name());
+	return p;
+}
+
+QDomElement PropertiesInterface::property(const QDomElement& e, const QString& name) {
+	for (int i=0; i < e.childNodes().count(); i++) {
+		QDomElement child = e.childNodes().at(i).toElement();
+		if (!validXmlProperty(child))
+			continue; // there might also non property childs
+
+		if (child.attribute("name") == name)
+			return child;
+	}
+	return QDomElement();
+}
+
+/*!
+ * \brief PropertiesInterface::attribute
+ * Returns the property with the name \p attribute_name and type \p type
+ * \param e Xml element which contains the property
+ * \param attribute_name
+ * \param type Type of the property
+ * \param attr
+ * \return
+ */
+bool PropertiesInterface::attribute(const QDomElement& e, const QString& attribute_name, const QString& type, QString* attr) {
+	QDomElement p = property(e, attribute_name);
+	if (p.isNull()) {
+		// check if legacy property is available,
+		// where the property is inside the element as attribute
+		if (!e.hasAttribute(attribute_name)) {
+			qDebug() << "\t\t\t" << "Tagname: " << e.tagName() << ". " << "Property " << attribute_name << "is not available";
+			return false;
+		}
+
+		*attr = e.attribute(attribute_name);
+
+	} else {
+		if (p.attribute("type") != type) {
+			qDebug() << "\t\t\t" << "Tagname: " << e.tagName() << ", Property: " << attribute_name << "(" << p.attribute("type") << ") has not type: " << type;
+			return false;
+		}
+
+		*attr = p.attribute("value");
+
+	}
+	return true;
+}
+
+/*!
+ * \brief PropertiesInterface::propertyInteger
+ * Reads an interger from the XML element.
+ * \param e DomElement which contains the property attribute
+ * \param attribute_name Name of the attribute
+ * \param entier Return value if success
+ * \return True if reading an integer was successful, else False. If the attribute was not found,
+ *		  \p entier is not valid and the return value is False
+ */
+PropertiesInterface::PropertyFlags PropertiesInterface::propertyInteger(const QDomElement &e, const QString& attribute_name, int* entier) {
+
+	QString attr;
+
+	if (!attribute(e, attribute_name, integerS, &attr)) {
+		return PropertyFlags::NotFound;
+	}
+
+	// verifie la validite de l'attribut
+	bool ok;
+	int tmp = attr.toInt(&ok);
+	if (!ok) {
+		qDebug() << "\t\t\t" << "Tagname: " << e.tagName() << ". " << "No valid Conversion: " << attribute_name << ". type: " << integerS << ". value: " << attr;
+		return PropertyFlags::NoValidConversion;
+	}
+
+	if (entier != nullptr)
+		*entier = tmp;
+
+	return PropertyFlags::Success;
+}
+
+PropertiesInterface::PropertyFlags PropertiesInterface::propertyDouble(const QDomElement &e, const QString& attribute_name, double* reel) {
+
+	QString attr;
+
+	if (!attribute(e, attribute_name, doubleS, &attr)) {
+		return PropertyFlags::NotFound;
+	}
+
+	// verifie la validite de l'attribut
+	bool ok;
+	double tmp = attr.toDouble(&ok);
+	if (!ok) {
+		qDebug() << "\t\t\t" << "Tagname: " << e.tagName() << ". " << "No valid Conversion: " << attribute_name << ". type: " << doubleS << ". value: " << attr;
+		return PropertyFlags::NoValidConversion;
+	}
+
+	if (reel != nullptr)
+		*reel = tmp;
+
+	return PropertyFlags::Success;
+}
+
+PropertiesInterface::PropertyFlags PropertiesInterface::propertyBool(const QDomElement &e, const QString& attribute_name, bool* boolean) {
+
+	QString attr;
+
+	if (!attribute(e, attribute_name, boolS, &attr)) {
+		return PropertyFlags::NotFound;
+	}
+
+	// verifie la validite de l'attribut
+	bool ok;
+	bool tmp = attr.toInt(&ok);
+	if (!ok) {
+		if (attr == "true" || attr == "1")
+			tmp = true;
+		else if (attr == "false" || attr == "0")
+			tmp = false;
+		else {
+			qDebug() << "\t\t\t" << "Tagname: " << e.tagName() << ". " << "No valid Conversion: " << attribute_name << ". type: " << integerS << ". value: " << attr;
+			return PropertyFlags::NoValidConversion;
+		}
+	}
+
+	if (boolean != nullptr)
+		*boolean = tmp;
+
+	return PropertyFlags::Success;
+}
+
+PropertiesInterface::PropertyFlags PropertiesInterface::propertyColor(const QDomElement &e, const QString& attribute_name, QColor* color) {
+
+	QString attr;
+
+	if (!attribute(e, attribute_name, colorS, &attr)) {
+		return PropertyFlags::NotFound;
+	}
+
+	// verifie la validite de l'attribut
+	QColor tmp = QColor(attr);
+	if (!tmp.isValid()) {
+		qDebug() << "\t\t\t" << "Tagname: " << e.tagName() << ". " << "No valid Conversion: " << attribute_name << ". type: " << colorS << ". value: " << attr;
+		return PropertyFlags::NoValidConversion;
+	}
+
+	if (color != nullptr)
+		*color = tmp;
+
+	return PropertyFlags::Success;
+}
+
+PropertiesInterface::PropertyFlags PropertiesInterface::propertyUuid(const QDomElement &e, const QString& attribute_name, QUuid* uuid) {
+	QString attr;
+
+	if (!attribute(e, attribute_name, uuidS, &attr)) {
+		return PropertyFlags::NotFound;
+	}
+
+	if (QUuid(attr).isNull()){
+		qDebug() << "\t\t\t" << "Tagname: " << e.tagName() << ". " << "No valid Conversion: " << attribute_name << ". type: " << uuidS << ". value: " << attr;
+		return PropertyFlags::NoValidConversion;
+	}
+
+
+	if (uuid != nullptr)
+		*uuid = QUuid(attr);
+
+	return PropertyFlags::Success;
+}
+
+PropertiesInterface::PropertyFlags PropertiesInterface::propertyString(const QDomElement& e, const QString& attribute_name, QString* string) {
+
+	QString attr;
+	if (!attribute(e, attribute_name, stringS, &attr)) {
+		return PropertyFlags::NotFound;
+	}
+
+	// verifie la validite de l'attribut
+	if (string != nullptr)
+		*string = attr;
+
+	return PropertyFlags::Success;
+}
+
+/*!
+ * \brief PropertiesInterface::validXmlProperty
+ * Check if the Xml element contains the needed fields
+ * \param e Xml Property
+ * \return True if name, type, value attribute are available, else false
+ */
+bool PropertiesInterface::validXmlProperty(const QDomElement& e) {
+	if (!e.hasAttribute("name"))
+		return false;
+
+	if (!e.hasAttribute("type"))
+		return false;
+
+	if (!e.hasAttribute("value"))
+		return false;
+
+	return true;
+}
+
+/**
+	Permet de convertir une chaine de caracteres ("n", "s", "e" ou "w")
+	en orientation. Si la chaine fait plusieurs caracteres, seul le
+	premier est pris en compte. En cas d'incoherence, Qet::North est
+	retourne.
+	@param s Chaine de caractere cense representer une orientation
+	@return l'orientation designee par la chaine de caractere
+*/
+Qet::Orientation PropertiesInterface::orientationFromString(const QString &s) {
+	QChar c = s[0];
+	// in some cases/ old projects? (affuteuse_250h.qet) numbers instead of characters are
+	// used for the orientation
+	if (c == 'e' || c == '1') return(Qet::East);
+	else if (c == 's' || c == '2') return(Qet::South);
+	else if (c == 'w' || c == '3') return (Qet::West);
+	else return(Qet::North); // c == '0'
+}
+
+/**
+	@param o une orientation
+	@return une chaine de caractere representant l'orientation
+*/
+QString PropertiesInterface::orientationToString(Qet::Orientation o) {
+	QString ret;
+	switch(o) {
+		case Qet::North: ret = "n"; break;
+		case Qet::East : ret = "e"; break;
+		case Qet::South: ret = "s"; break;
+		case Qet::West : ret = "w"; break;
+	}
+	return(ret);
 }

sources/properties/propertiesinterface.h

@@ -20,7 +20,11 @@
 
 #include <QString>
 #include <QSettings>
+#include <QColor>
 #include <QDomElement>
+#include <limits>
+#include "qet.h"
+#include <QUuid>
 
 /**
 	@brief The PropertiesInterface class
@@ -39,8 +43,8 @@ class PropertiesInterface
 			befor the name of each paramètre
 			@param QString
 		*/
-		virtual void toSettings (QSettings &settings,
-					 const QString = QString()) const =0;
+        virtual void toSettings(QSettings &,
+                                const QString & = QString()) const =0;
 		/**
 			@brief fromSettings
 			load properties to setting file.
@@ -48,8 +52,8 @@ class PropertiesInterface
 			befor the name of each paramètre
 			@param QString
 		*/
-		virtual void fromSettings (const QSettings &settings,
-					   const QString = QString()) =0;
+        virtual void fromSettings(QSettings &,
+                                  const QString & = QString()) = 0;
 		/**
 			@brief toXml
 			Save properties to xml element
@@ -64,6 +68,59 @@ class PropertiesInterface
 			@return true / false
 		*/
 		virtual bool fromXml (const QDomElement &xml_element) =0;
+	static bool valideXml(QDomElement& element);
+
+	/*!
+	 * Use this functions to add properties to the xml document
+	 */
+	static QDomElement createXmlProperty(QDomDocument& doc, const QString& name, const QString value);
+	static QDomElement createXmlProperty(QDomDocument &doc, const QString& name, const char* value);
+	static QDomElement createXmlProperty(QDomDocument& doc, const QString& name, const int value);
+	static QDomElement createXmlProperty(QDomDocument& doc, const QString& name, const double value);
+	static QDomElement createXmlProperty(QDomDocument& doc, const QString& name, const bool value);
+	static QDomElement createXmlProperty(QDomDocument& doc, const QString& name, const QUuid value);
+	static QDomElement createXmlProperty(QDomDocument& doc, const QString& name, const QColor value);
+
+	static QDomElement property(const QDomElement& e, const QString& name);
+	static bool attribute(const QDomElement& e, const QString& attribute_name, const QString& type, QString* attr);
+
+	enum PropertyFlags {
+		Success = 0,
+		NotFound = 1,
+		NoValidConversion = 2,
+		// = 4
+	};
+
+	/*!
+	 * Try not using the default Value feature. It is better to initialize the class members in the class definition!
+	 */
+	static PropertyFlags propertyInteger(const QDomElement &e, const QString& attribute_name, int *entier = nullptr);
+	static PropertyFlags propertyDouble(const QDomElement &e, const QString& attribute_name, double *reel = nullptr);
+	static PropertyFlags propertyString(const QDomElement& e, const QString& attribute_name, QString* string = nullptr);
+	static PropertyFlags propertyBool(const QDomElement &e, const QString& attribute_name, bool* boolean = nullptr);
+	static PropertyFlags propertyUuid(const QDomElement &e, const QString& attribute_name, QUuid* uuid = nullptr);
+	static PropertyFlags propertyColor(const QDomElement &e, const QString& attribute_name, QColor* color = nullptr);
+
+
+	static bool validXmlProperty(const QDomElement& e);
+
+	QVariant XmlProperty(const QDomElement& element);
+
+	/**
+		Permet de convertir une chaine de caracteres ("n", "s", "e" ou "w")
+		en orientation. Si la chaine fait plusieurs caracteres, seul le
+		premier est pris en compte. En cas d'incoherence, Qet::North est
+		retourne.
+		@param s Chaine de caractere cense representer une orientation
+		@return l'orientation designee par la chaine de caractere
+	*/
+	static Qet::Orientation orientationFromString(const QString &s);
+
+	/**
+		@param o une orientation
+		@return une chaine de caractere representant l'orientation
+	*/
+	static QString orientationToString(Qet::Orientation o);
 };
 
 #endif // PROPERTIESINTERFACE_H

sources/properties/terminaldata.cpp

@@ -41,7 +41,7 @@ void TerminalData::setParent(QGraphicsObject* parent)
 	@param settings UNUSED
 	@param prefix UNUSED
 */
-void TerminalData::toSettings(QSettings &settings, const QString prefix) const
+void TerminalData::toSettings(QSettings &settings, const QString &prefix) const
 
 {
 	Q_UNUSED(settings);
@@ -56,7 +56,7 @@ void TerminalData::toSettings(QSettings &settings, const QString prefix) const
 	@param settings UNUSED
 	@param prefix UNUSED
 */
-void TerminalData::fromSettings(const QSettings &settings, const QString prefix)
+void TerminalData::fromSettings(QSettings &settings, const QString& prefix)
 {
 	Q_UNUSED(settings);
 	Q_UNUSED(prefix);
@@ -76,26 +76,22 @@ void TerminalData::fromSettings(const QSettings &settings, const QString prefix)
 */
 QDomElement TerminalData::toXml(QDomDocument &xml_document) const
 {
-	QDomElement xml_element = xml_document.createElement("terminal");
+	QDomElement xml_element = xml_document.createElement("terminaldata");
 
 	// write the position of the terminal
-	// ecrit la position de la borne
-	xml_element.setAttribute("x", QString("%1").arg(q->scenePos().x()));
-	xml_element.setAttribute("y", QString("%1").arg(q->scenePos().y()));
-
 	// Write name and number to XML
-	xml_element.setAttribute("uuid", m_uuid.toString());
-	xml_element.setAttribute("name", m_name);
-
-	// write the orientation of the terminal
-	// ecrit l'orientation de la borne
-	xml_element.setAttribute("orientation",
-				 Qet::orientationToString(m_orientation));
+	// m_pos cannot be stored, because in the partterminal it will not be updated.
+	// In PartTerminal m_pos is the position of the dock, in Terminal m_pos is the second side of the terminal
+	// This is hold for legacy compability reason
+	xml_element.appendChild(createXmlProperty(xml_document, "x", m_pos.x()));
+	xml_element.appendChild(createXmlProperty(xml_document, "y", m_pos.y()));
+	xml_element.appendChild(createXmlProperty(xml_document, "name", m_name));
+	xml_element.appendChild(createXmlProperty(xml_document, "orientation", orientationToString(m_orientation)));
 
 	return(xml_element);
 }
 
-/**
+/*
 	@brief TerminalData::fromXml
 	load properties to xml element
 
@@ -104,38 +100,59 @@ QDomElement TerminalData::toXml(QDomDocument &xml_document) const
 	@param xml_element
 	@return true if succeeded / false if the attribute is not real
 */
-bool TerminalData::fromXml (const QDomElement &xml_element)
+bool TerminalData::fromXml (const QDomElement &xml_element) // RETURNS True
 {
 	qreal term_x = 0.0;
 	qreal term_y = 0.0;
 
 	// reads the position of the terminal
 	// lit la position de la borne
-	if (!QET::attributeIsAReal(xml_element, "x", &term_x))
+
+	if (propertyDouble(xml_element, "x", &term_x))
 		return false;
 
-	if (!QET::attributeIsAReal(xml_element, "y", &term_y))
+	if (propertyDouble(xml_element, "y", &term_y))
 		return false;
 
 	m_pos = QPointF(term_x, term_y);
 
-	//emit posFromXML(QPointF(term_x, term_y));
+//	emit posFromXML(QPointF(term_x, term_y));
 
-	QString uuid = xml_element.attribute("uuid");
-	// update part and add uuid, which is used in the new version
-	// to connect terminals together
+	// do not write uuid from this class, because only PartTerminal::fromXml need
+	// to write it to xml file. Terminal::fromXml does not need.
 	// if the attribute not exists, means, the element is created with an
 	// older version of qet. So use the legacy approach
-	// to identify terminals
-	if (!uuid.isEmpty())
-	m_uuid = QUuid(uuid);
 
-	m_name = xml_element.attribute("name");
+
+	//if (propertyString(xml_element, "name", &m_name))
+	//	return false;
+	propertyString(xml_element, "name", &m_name); // some parts do not have a name. Example: affuteuse_250h.qet, Terminal at x="0" y="-20"
+
+	QString o;
+	if (propertyString(xml_element, "orientation", &o))
+		return false;
 
 	// read the orientation of the terminal
 	// lit l'orientation de la borne
-	m_orientation = Qet::orientationFromString(
-				xml_element.attribute("orientation"));
-
+	m_orientation = orientationFromString(o);
+	return true;
+}
+
+bool TerminalData::valideXml(const QDomElement& xml_element) {
+	if (propertyDouble(xml_element, "x"))
+		return false;
+
+	if (propertyDouble(xml_element, "y"))
+		return false;
+
+	  // legacy elements do not have an uuid
+//	if (propertyUuid(xml_element, "uuid"))
+//		return false;
+
+	//if (propertyString(xml_element, "name")) // some parts do not have a name. Example: affuteuse_250h.qet, Terminal at x="0" y="-20"
+	//	return false;
+
+	if (propertyString(xml_element, "orientation"))
+		return false;
 	return true;
 }

sources/properties/terminaldata.h

@@ -27,26 +27,26 @@ class TerminalData : public PropertiesInterface
 
 		void setParent(QGraphicsObject* parent);
 		void toSettings(QSettings &settings,
-				const QString prefix = QString()) const override;
-		void fromSettings(const QSettings &settings,
-				  const QString prefix = QString()) override;
+                        const QString& prefix = QString()) const override;
+        void fromSettings(QSettings &settings,
+                          const QString& = QString()) override;
 		QDomElement toXml(QDomDocument &xml_element) const override;
 		bool fromXml(const QDomElement &xml_element) override;
 
-	// must be public, because this class is a private member
-	// of PartTerminal/Terminal and they must access this data
+	static bool valideXml(const QDomElement &xml_element);
+
 	public:
 		/**
 			@brief m_orientation
 			Orientation of the terminal
 		*/
-		Qet::Orientation m_orientation;
+	Qet::Orientation m_orientation{Qet::Orientation::North};
 		/**
 			@brief second_point
 			Position of the second point of the terminal
 			in scene coordinates
 		*/
-		QPointF second_point;
+	QPointF second_point{0,0};
 		/**
 			@brief m_uuid
 			Uuid of the terminal.
@@ -61,7 +61,7 @@ class TerminalData : public PropertiesInterface
 			valid. So if in the loaded document a uuid exists,
 			use this one and don't create a new one.
 		*/
-		QUuid m_uuid;
+	QUuid m_uuid; // default is an invalid uuid.
 		/**
 			@brief m_name
 			Name of the element.
@@ -79,7 +79,7 @@ class TerminalData : public PropertiesInterface
 			It is used to store the initial position so that
 			PartTerminal and Terminal have access to it.
 		*/
-		QPointF m_pos;
+	QPointF m_pos{0,0};
 	private:
 		QGraphicsObject* q{nullptr};
 };

sources/properties/xrefproperties.cpp

@@ -27,14 +27,6 @@
 */
 XRefProperties::XRefProperties()
 {
-	m_show_power_ctc = true;
-	m_display = Cross;
-	m_snap_to = Bottom;
-	m_prefix_keys << "power" << "delay" << "switch";
-	m_master_label = "%f-%l%c";
-	m_slave_label = "(%f-%l%c)";
-	m_offset = 0;
-	m_xref_pos = Qt::AlignBottom;
 }
 
 /**
@@ -44,7 +36,7 @@ XRefProperties::XRefProperties()
 	@param prefix: prefix before properties name
 */
 void XRefProperties::toSettings(QSettings &settings,
-				const QString prefix) const
+                const QString &prefix) const
 {
 	settings.setValue(prefix + "showpowerctc", m_show_power_ctc);
 	QString display = m_display == Cross? "cross" : "contacts";
@@ -73,8 +65,8 @@ void XRefProperties::toSettings(QSettings &settings,
 	@param settings: QSettings to use
 	@param prefix: prefix before properties name
 */
-void XRefProperties::fromSettings(const QSettings &settings,
-				  const QString prefix)
+void XRefProperties::fromSettings(QSettings &settings,
+                  const QString &prefix)
 {
 	m_show_power_ctc = settings.value(prefix + "showpowerctc", true).toBool();
 	QString display = settings.value(prefix + "displayhas", "cross").toString();
@@ -103,58 +95,60 @@ QDomElement XRefProperties::toXml(QDomDocument &xml_document) const
 {
 
 	QDomElement xml_element = xml_document.createElement("xref");
-	xml_element.setAttribute("type", m_key);
 
-	xml_element.setAttribute("showpowerctc", m_show_power_ctc? "true" : "false");
-	QString display = m_display == Cross? "cross" : "contacts";
-	xml_element.setAttribute("displayhas", display);
-	QString snap = m_snap_to == Bottom? "bottom" : "label";
-	xml_element.setAttribute("snapto", snap);
+	xml_element.appendChild(createXmlProperty(xml_document, "type", m_key));
+	xml_element.appendChild(createXmlProperty(xml_document, "showpowerctc", m_show_power_ctc));
+	xml_element.appendChild(createXmlProperty(xml_document, "displayhas", m_display == Cross? "cross" : "contacts"));
+	xml_element.appendChild(createXmlProperty(xml_document, "snapto", m_snap_to == Bottom? "bottom" : "label"));
 
-	QString xrefpos;
 
 	QMetaEnum var = QMetaEnum::fromType<Qt::Alignment>();
-	xml_element.setAttribute("xrefpos",  var.valueToKey(m_xref_pos));
+	xml_element.appendChild(createXmlProperty(xml_document, "xrefpos", var.valueToKey(m_xref_pos)));
+	xml_element.appendChild(createXmlProperty(xml_document, "offset", m_offset));
+	xml_element.appendChild(createXmlProperty(xml_document, "master_label", m_master_label));
+	xml_element.appendChild(createXmlProperty(xml_document, "slave_label", m_slave_label));
 
-	int offset = m_offset;
-	xml_element.setAttribute("offset", QString::number(offset));
-	QString master_label = m_master_label;
-	xml_element.setAttribute("master_label", master_label);
-	QString slave_label = m_slave_label;
-	xml_element.setAttribute("slave_label", slave_label);
 	foreach (QString key, m_prefix.keys()) {
-		xml_element.setAttribute(key + "prefix", m_prefix.value(key));
+		xml_element.appendChild(createXmlProperty(xml_document, key + "prefix", m_prefix.value(key)));
 	}
 
 	return xml_element;
 }
 
-/**
+/** RETURNS True
 	@brief XRefProperties::fromXml
 	Load from xml
 	@param xml_element: QDomElement to use for load
 */
 bool XRefProperties::fromXml(const QDomElement &xml_element) {
-	m_show_power_ctc = xml_element.attribute("showpowerctc")  == "true";
-	QString display = xml_element.attribute("displayhas", "cross");
-	display == "cross"? m_display = Cross : m_display = Contacts;
-	QString snap = xml_element.attribute("snapto", "label");
-	snap == "bottom"? m_snap_to = Bottom : m_snap_to = Label;
 
-	QString xrefpos = xml_element.attribute("xrefpos","Left");
+	if (propertyBool(xml_element, "showpowerctc", &m_show_power_ctc))
+		return false;
 
-	QMetaEnum var = QMetaEnum::fromType<Qt::Alignment>();
+	QString display;
+	if (propertyString(xml_element, "displayhas", &display) != PropertyFlags::NotFound) {
+		display == "cross"? m_display = Cross : m_display = Contacts;
+	}
 
-	if(xml_element.hasAttribute("xrefpos"))
-		m_xref_pos = Qt::AlignmentFlag(var.keyToValue(xml_element.attribute("xrefpos").toStdString().data()));
-	else
-		m_xref_pos = Qt::AlignBottom;
 
-	m_offset = xml_element.attribute("offset", "0").toInt();
-	m_master_label = xml_element.attribute("master_label", "%f-%l%c");
-	m_slave_label = xml_element.attribute("slave_label","(%f-%l%c)");
+	QString snap;
+	if (propertyString(xml_element, "snapto", &snap)  != PropertyFlags::NotFound) {
+		snap == "bottom"? m_snap_to = Bottom : m_snap_to = Label;
+	}
+
+	QString xrefpos;
+	if (propertyString(xml_element, "xrefpos", &xrefpos) != PropertyFlags::NotFound) {
+		QMetaEnum var = QMetaEnum::fromType<Qt::Alignment>();
+		m_xref_pos = Qt::AlignmentFlag(var.keyToValue(xrefpos.toStdString().data()));
+	}
+	// TODO: why it compiles without this true??
+	propertyInteger(xml_element, "offset", &m_offset);
+	propertyString(xml_element, "master_label", &m_master_label);
+	propertyString(xml_element, "slave_label", &m_slave_label);
+	QString value;
 	foreach (QString key, m_prefix_keys) {
-		m_prefix.insert(key, xml_element.attribute(key + "prefix"));
+        if (!propertyString(xml_element, key + "prefix", &value))
+			m_prefix.insert(key, value);
 	}
 	return true;
 }

sources/properties/xrefproperties.h

@@ -42,10 +42,9 @@ class XRefProperties : public PropertiesInterface
 		Label
 	};
 
-	void toSettings	  (QSettings &settings,
-			   const QString = QString()) const override;
-	void fromSettings (const QSettings &settings,
-			   const QString = QString()) override;
+    void toSettings	  (QSettings &settings, const QString& = QString()) const override;
+    void fromSettings (QSettings &settings,
+               const QString& = QString()) override;
 	QDomElement toXml (QDomDocument &xml_document) const override;
 	bool fromXml(const QDomElement &xml_element) override;
 
@@ -80,15 +79,15 @@ class XRefProperties : public PropertiesInterface
 	void setKey(QString& key) {m_key = key;}
 
 	private:
-	bool m_show_power_ctc;
-	DisplayHas m_display;
-	SnapTo m_snap_to;
-	Qt::AlignmentFlag m_xref_pos;
+	bool m_show_power_ctc{true};
+	DisplayHas m_display{Cross};
+	SnapTo m_snap_to{Bottom};
+	Qt::AlignmentFlag m_xref_pos{Qt::AlignBottom};
 	QHash <QString, QString> m_prefix;
-	QStringList m_prefix_keys;
-	QString m_master_label;
-	QString m_slave_label;
-	int     m_offset;
+	QStringList m_prefix_keys{"power","delay","switch"};
+	QString m_master_label{"%f-%l%c"};
+	QString m_slave_label{"(%f-%l%c)"};
+	int	 m_offset{0};
 	QString m_key;
 };
 

sources/qet.cpp

@@ -34,31 +34,6 @@
 	retourne.
 	@param s Chaine de caractere cense representer une orientation
 	@return l'orientation designee par la chaine de caractere
-*/
-Qet::Orientation Qet::orientationFromString(const QString &s) {
-	QChar c = s[0];
-	if (c == 'e') return(Qet::East);
-	else if (c == 's') return(Qet::South);
-	else if (c == 'w') return (Qet::West);
-	else return(Qet::North);
-}
-
-/**
-	@param o une orientation
-	@return une chaine de caractere representant l'orientation
-*/
-QString Qet::orientationToString(Qet::Orientation o) {
-	QString ret;
-	switch(o) {
-		case Qet::North: ret = "n"; break;
-		case Qet::East : ret = "e"; break;
-		case Qet::South: ret = "s"; break;
-		case Qet::West : ret = "w"; break;
-	}
-	return(ret);
-}
-
-/**
 	Indique si deux orientations de Borne sont sur le meme axe (Vertical / Horizontal).
 	@param a La premiere orientation de Borne
 	@param b La seconde orientation de Borne
@@ -532,7 +507,7 @@ QString Qet::endTypeToString(const Qet::EndType &end_type) {
 	QET::None est retourne.
 */
 Qet::EndType Qet::endTypeFromString(const QString &string) {
-	if (string == "simple")        return(Qet::Simple);
+	if (string == "simple")		return(Qet::Simple);
 	else if (string == "triangle") return(Qet::Triangle);
 	else if (string == "circle")   return(Qet::Circle);
 	else if (string == "diamond")  return(Qet::Diamond);
@@ -715,9 +690,9 @@ QActionGroup *QET::depthActionGroup(QObject *parent)
 	QActionGroup *action_group = new QActionGroup(parent);
 
 	QAction *edit_forward  = new QAction(QET::Icons::BringForward, QObject::tr("Amener au premier plan"), action_group);
-	QAction *edit_raise    = new QAction(QET::Icons::Raise,        QObject::tr("Rapprocher"),             action_group);
-	QAction *edit_lower    = new QAction(QET::Icons::Lower,        QObject::tr("Éloigner"),               action_group);
-	QAction *edit_backward = new QAction(QET::Icons::SendBackward, QObject::tr("Envoyer au fond"),        action_group);
+	QAction *edit_raise	= new QAction(QET::Icons::Raise,		QObject::tr("Rapprocher"),			 action_group);
+	QAction *edit_lower	= new QAction(QET::Icons::Lower,		QObject::tr("Éloigner"),			   action_group);
+	QAction *edit_backward = new QAction(QET::Icons::SendBackward, QObject::tr("Envoyer au fond"),		action_group);
 
 	edit_forward ->setStatusTip(QObject::tr("Ramène la ou les sélections au premier plan"));
 	edit_raise   ->setStatusTip(QObject::tr("Rapproche la ou les sélections"));

sources/qetgraphicsitem/conductor.cpp

@@ -76,14 +76,7 @@ class ConductorXmlRetroCompatibility
 */
 Conductor::Conductor(Terminal *p1, Terminal* p2) :
 	terminal1(p1),
-	terminal2(p2),
-	m_mouse_over(false),
-	m_text_item(nullptr),
-	segments(nullptr),
-	m_moving_segment(false),
-	modified_path(false),
-	has_to_save_profile(false),
-	must_highlight_(Conductor::None)
+	terminal2(p2)
 {
 		//set Zvalue at 11 to be upper than the DiagramImageItem and element
 	setZValue(11);
@@ -109,8 +102,8 @@ Conductor::Conductor(Terminal *p1, Terminal* p2) :
 	}
 
 		//By default, the 4 profils are nuls -> we must to use priv_calculeConductor
-	conductor_profiles.insert(Qt::TopLeftCorner,     ConductorProfile());
-	conductor_profiles.insert(Qt::TopRightCorner,    ConductorProfile());
+	conductor_profiles.insert(Qt::TopLeftCorner,	 ConductorProfile());
+	conductor_profiles.insert(Qt::TopRightCorner,	ConductorProfile());
 	conductor_profiles.insert(Qt::BottomLeftCorner,  ConductorProfile());
 	conductor_profiles.insert(Qt::BottomRightCorner, ConductorProfile());
 
@@ -223,7 +216,7 @@ void Conductor::updateConductorPath(const QPointF &p1, Qet::Orientation o1, cons
 	ConductorProfile &conductor_profile = conductor_profiles[currentPathType()];
 
 	Q_ASSERT_X(conductor_profile.segmentsCount(QET::Both) > 1, "Conductor::priv_modifieConductor", "pas de points a modifier");
-	Q_ASSERT_X(!conductor_profile.isNull(),                 "Conductor::priv_modifieConductor", "pas de profil utilisable");
+	Q_ASSERT_X(!conductor_profile.isNull(),				 "Conductor::priv_modifieConductor", "pas de profil utilisable");
 
 	// recupere les coordonnees fournies des bornes
 	QPointF new_p1 = mapFromScene(p1);
@@ -327,10 +320,10 @@ QHash<ConductorSegmentProfile *, qreal> Conductor::shareOffsetBetweenSegments(
 
 				// on remet le trop-plein dans la reserve d'offset
 				remaining_offset += qAbs(segments_hash[csp]) * getSign(local_offset);
-				//qDebug() << "    trop-plein de" << qAbs(segments_hash[csp]) * getSign(local_offset) << "remaining_offset =" << remaining_offset;
+				//qDebug() << "	trop-plein de" << qAbs(segments_hash[csp]) * getSign(local_offset) << "remaining_offset =" << remaining_offset;
 				segments_hash[csp] = 0.0;
 			} else {
-				//qDebug() << "    offset local de" << local_offset << "accepte";
+				//qDebug() << "	offset local de" << local_offset << "accepte";
 			}
 		}
 	}
@@ -362,17 +355,17 @@ void Conductor::generateConductorPath(const QPointF &p1, Qet::Orientation o1, co
 
 	// distingue le depart de l'arrivee : le trajet se fait toujours de gauche a droite (apres prolongation)
 	if (newp1.x() <= newp2.x()) {
-		depart      = newp1;
-		arrivee     = newp2;
-		depart0     = sp1;
-		arrivee0    = sp2;
+		depart	  = newp1;
+		arrivee	 = newp2;
+		depart0	 = sp1;
+		arrivee0	= sp2;
 		ori_depart  = o1;
 		ori_arrivee = o2;
 	} else {
-		depart      = newp2;
-		arrivee     = newp1;
-		depart0     = sp2;
-		arrivee0    = sp1;
+		depart	  = newp2;
+		arrivee	 = newp1;
+		depart0	 = sp2;
+		arrivee0	= sp1;
 		ori_depart  = o2;
 		ori_arrivee = o1;
 	}
@@ -585,36 +578,16 @@ ConductorTextItem *Conductor::textItem() const
 	@return true si l'element XML represente bien un Conducteur ; false sinon
 */
 bool Conductor::valideXml(QDomElement &e){
-	// verifie le nom du tag
-	if (e.tagName() != "conductor") return(false);
 
-	// verifie la presence des attributs minimaux
-	if (!e.hasAttribute("terminal1")) return(false);
-	if (!e.hasAttribute("terminal2")) return(false);
+//	// TODO: seems to short! (see fromXML)
+//	if (propertyDouble(e, "x") ||
+//		propertyDouble(e, "y"))
+//		return false;
 
-	bool conv_ok;
-	// parse l'abscisse
-	if (e.hasAttribute("element1")) {
-		if (QUuid(e.attribute("element1")).isNull())
-			return false;
-		if (QUuid(e.attribute("terminal1")).isNull())
-			return false;
-	} else {
-		e.attribute("terminal1").toInt(&conv_ok);
-		if (!conv_ok) return(false);
-	}
+//	if (propertyBool(e, "freezeLabel"))
+//		return false;
 
-	// parse l'ordonnee
-	if (e.hasAttribute("element2")) {
-		if (QUuid(e.attribute("element2")).isNull())
-			return false;
-		if (QUuid(e.attribute("terminal2")).isNull())
-			return false;
-	} else {
-		e.attribute("terminal2").toInt(&conv_ok);
-		if (!conv_ok) return(false);
-	}
-	return(true);
+	return true;
 }
 
 /**
@@ -987,10 +960,13 @@ void Conductor::pointsToSegments(const QList<QPointF>& points_list) {
 	@param dom_element
 	@return true is loading success else return false
 */
-bool Conductor::fromXml(QDomElement &dom_element)
+bool Conductor::fromXml(const QDomElement &dom_element)
 {
-	setPos(dom_element.attribute("x", nullptr).toDouble(),
-		   dom_element.attribute("y", nullptr).toDouble());
+	// TODO: seems to short!
+	double x=0, y=0;
+	propertyDouble(dom_element, "x", &x);
+	propertyDouble(dom_element, "y", &y);
+	setPos(x, y);
 
 	bool return_ = pathFromXml(dom_element);
 
@@ -1004,14 +980,14 @@ bool Conductor::fromXml(QDomElement &dom_element)
 	else
 		m_autoNum_seq.fromXml(dom_element.firstChildElement("sequentialNumbers"));
 
-	m_freeze_label = dom_element.attribute("freezeLabel") == "true"? true : false;
-
+	propertyBool(dom_element, "freezeLabel", &m_freeze_label);
 	setProperties(pr);
 
 	return return_;
 }
 
-/**
+// does not support legacy method
+/*!
 	@brief Conductor::toXml
 	Exporte les caracteristiques du conducteur sous forme d'une element XML.
 	@param dom_document :
@@ -1021,32 +997,39 @@ bool Conductor::fromXml(QDomElement &dom_element)
 	bornes dans le document XML et leur adresse en memoire
 	@return Un element XML representant le conducteur
 */
-QDomElement Conductor::toXml(QDomDocument &dom_document,
-				 QHash<Terminal *,
-				 int> &table_adr_id) const
-{
-	QDomElement dom_element = dom_document.createElement("conductor");
+QDomElement Conductor::toXml(QDomDocument & doc) const {
+	QDomElement dom_element = doc.createElement("conductor");
 
-	dom_element.setAttribute("x", QString::number(pos().x()));
-	dom_element.setAttribute("y", QString::number(pos().y()));
+
+	dom_element.appendChild(createXmlProperty(doc, "x", pos().x()));
+	dom_element.appendChild(createXmlProperty(doc, "y", pos().y()));
 
 	// Terminal is uniquely identified by the uuid of the terminal and the element
-	if (terminal1->uuid().isNull()) {
-		// legacy method to identify the terminal
-		dom_element.setAttribute("terminal1", table_adr_id.value(terminal1)); // for backward compability
+	QUuid terminal = terminal1->uuid();
+	QUuid terminalParent = terminal1->parentElement()->uuid();
+	if (terminalParent.isNull() || terminal.isNull()) {
+		// legacy when the terminal does not have a valid uuid
+		// do not store element1 information, because this is used to determine in the fromXml
+		// process that legacy file format
+		dom_element.appendChild(createXmlProperty(doc, "terminal1", terminal1->ID()));
 	} else {
-		dom_element.setAttribute("element1", terminal1->parentElement()->uuid().toString());
-		dom_element.setAttribute("terminal1", terminal1->uuid().toString());
+		dom_element.appendChild(createXmlProperty(doc, "element1", terminalParent));
+		dom_element.appendChild(createXmlProperty(doc, "terminal1", terminal));
 	}
 
-	if (terminal2->uuid().isNull()) {
-		// legacy method to identify the terminal
-		dom_element.setAttribute("terminal2", table_adr_id.value(terminal2)); // for backward compability
+	terminal = terminal2->uuid();
+	terminalParent = terminal2->parentElement()->uuid();
+	if (terminalParent.isNull() || terminal.isNull()) {
+		// legacy when the terminal does not have a valid uuid
+		// do not store element1 information, because this is used to determine in the fromXml
+		// process that legacy file format
+		dom_element.appendChild(createXmlProperty(doc, "terminal2", terminal2->ID()));
 	} else {
-		dom_element.setAttribute("element2", terminal2->parentElement()->uuid().toString());
-		dom_element.setAttribute("terminal2", terminal2->uuid().toString());
+		dom_element.appendChild(createXmlProperty(doc, "element2", terminal2->parentElement()->uuid()));
+		dom_element.appendChild(createXmlProperty(doc, "terminal2", terminal2->uuid()));
 	}
-	dom_element.setAttribute("freezeLabel", m_freeze_label? "true" : "false");
+
+	dom_element.appendChild(createXmlProperty(doc, "freezeLabel", m_freeze_label));
 
 	// on n'exporte les segments du conducteur que si ceux-ci ont
 	// ete modifies par l'utilisateur
@@ -1056,35 +1039,92 @@ QDomElement Conductor::toXml(QDomDocument &dom_document,
 		QDomElement current_segment;
 		foreach(ConductorSegment *segment, segmentsList())
 		{
-			current_segment = dom_document.createElement("segment");
-			current_segment.setAttribute("orientation", segment -> isHorizontal() ? "horizontal" : "vertical");
-			current_segment.setAttribute("length", QString("%1").arg(segment -> length()));
+			current_segment = doc.createElement("segment");
+			current_segment.appendChild(createXmlProperty(doc, "orientation", segment->isHorizontal() ? "horizontal": "vertical"));
+			current_segment.appendChild(createXmlProperty(doc, "length", segment -> length()));
 			dom_element.appendChild(current_segment);
 		}
 	}
 
-	QDomElement dom_seq = m_autoNum_seq.toXml(dom_document);
+	QDomElement dom_seq = m_autoNum_seq.toXml(doc); // swquentialNumbers tag
 	dom_element.appendChild(dom_seq);
 
 		// Export the properties and text
-	m_properties. toXml(dom_element);
-	if(m_text_item->wasMovedByUser())
-	{
-		dom_element.setAttribute("userx", QString::number(m_text_item->pos().x()));
-		dom_element.setAttribute("usery", QString::number(m_text_item->pos().y()));
+	QDomElement conductorProperties = m_properties.toXml(doc);
+	for (int i=0; i < conductorProperties.childNodes().count(); i++) {
+		QDomNode node = conductorProperties.childNodes().at(i).cloneNode(); // cloneNode() is important!
+		dom_element.appendChild(node);
 	}
-	if(m_text_item->wasRotateByUser())
-		dom_element.setAttribute("rotation", QString::number(m_text_item->rotation()));
+
+	m_text_item->toXml(doc, dom_element);
 
 	return(dom_element);
 }
 
 /**
-	@brief Conductor::pathFromXml
-	Generate the path (of the line) from xml file by checking the segments in the xml
-	file
-	@param e
-	@return true if generate path success else return false
+	Exporte les caracteristiques du conducteur sous forme d'une element XML.
+	@param d Le document XML a utiliser pour creer l'element XML
+	@param table_adr_id Hash stockant les correspondances entre les ids des
+	bornes dans le document XML et leur adresse en memoire
+	@return Un element XML representant le conducteur
+*/
+//QDomElement Conductor::toXml(QDomDocument &dom_document, QHash<Terminal *, int> &table_adr_id) const
+//{
+//	QDomElement dom_element = dom_document.createElement("conductor");
+
+//	dom_element.setAttribute("x", QString::number(pos().x()));
+//	dom_element.setAttribute("y", QString::number(pos().y()));
+
+//	// Terminal is uniquely identified by the uuid of the terminal and the element
+//	if (terminal1->uuid().isNull()) {
+//		// legacy method to identify the terminal
+//		dom_element.setAttribute("terminal1", table_adr_id.value(terminal1)); // for backward compability
+//	} else {
+//		dom_element.setAttribute("element1", terminal1->parentElement()->uuid().toString());
+//		dom_element.setAttribute("terminal1", terminal1->uuid().toString());
+//	}
+
+//	if (terminal2->uuid().isNull()) {
+//		// legacy method to identify the terminal
+//		dom_element.setAttribute("terminal2", table_adr_id.value(terminal2)); // for backward compability
+//	} else {
+//		dom_element.setAttribute("element2", terminal2->parentElement()->uuid().toString());
+//		dom_element.setAttribute("terminal2", terminal2->uuid().toString());
+//	}
+//	dom_element.setAttribute("freezeLabel", m_freeze_label? "true" : "false");
+	
+//	// on n'exporte les segments du conducteur que si ceux-ci ont
+//	// ete modifies par l'utilisateur
+//	if (modified_path)
+//	{
+//		// parcours et export des segments
+//		QDomElement current_segment;
+//		foreach(ConductorSegment *segment, segmentsList())
+//		{
+//			current_segment = dom_document.createElement("segment");
+//			current_segment.setAttribute("orientation", segment -> isHorizontal() ? "horizontal" : "vertical");
+//			current_segment.setAttribute("length", QString("%1").arg(segment -> length()));
+//			dom_element.appendChild(current_segment);
+//		}
+//	}
+
+//	QDomElement dom_seq = m_autoNum_seq.toXml(dom_document);
+//	dom_element.appendChild(dom_seq);
+	
+//		// Export the properties and text
+//	m_properties.toXml(dom_document);
+//	if(m_text_item->wasMovedByUser())
+//	{
+//		dom_element.setAttribute("userx", QString::number(m_text_item->pos().x()));
+//		dom_element.setAttribute("usery", QString::number(m_text_item->pos().y()));
+//	}
+//	if(m_text_item->wasRotateByUser())
+//		dom_element.setAttribute("rotation", QString::number(m_text_item->rotation()));
+
+//	return(dom_element);
+//}
+
+/**
 */
 bool Conductor::pathFromXml(const QDomElement &e) {
 	// parcourt les elements XML "segment" et en extrait deux listes de longueurs
@@ -1096,14 +1136,21 @@ bool Conductor::pathFromXml(const QDomElement &e) {
 		if (current_segment.isNull() || current_segment.tagName() != "segment") continue;
 
 		// le segment doit avoir une longueur
-		if (!current_segment.hasAttribute("length")) continue;
+		qreal segment_length;
+		if (propertyDouble(current_segment, "length", & segment_length))
+			continue;
 
-		// cette longueur doit etre un reel
-		bool ok;
-		qreal segment_length = current_segment.attribute("length").toDouble(&ok);
-		if (!ok) continue;
+		bool isHorizontal = false;
+		QString orientation;
+		if (propertyString(current_segment, "orientation", &orientation) == PropertyFlags::Success) {
+			if (orientation == "horizontal")
+				isHorizontal = true;
+		} else {
+			qDebug() << "PathFromXML failed";
+			return false;
+		}
 
-		if (current_segment.attribute("orientation") == "horizontal") {
+		if (isHorizontal) {
 			segments_x << segment_length;
 			segments_y << 0.0;
 		} else {
@@ -1235,7 +1282,7 @@ ConductorSegment *Conductor::middleSegment()
 QPointF Conductor::posForText(Qt::Orientations &flag)
 {
 
-	ConductorSegment *segment      = segments;
+	ConductorSegment *segment	  = segments;
 	bool all_segment_is_vertical   = true;
 	bool all_segment_is_horizontal = true;
 
@@ -1354,7 +1401,7 @@ void Conductor::calculateTextItemPosition()
 		}
 
 			//Adjust the position of text if his rotation
-			//is 0° or 270°, to be exactly centered to the conductor
+			//is 0?? or 270??, to be exactly centered to the conductor
 		if (m_text_item -> rotation() == 0)
 		{
 			text_pos.rx() -= m_text_item -> boundingRect().width()/2;
@@ -1631,12 +1678,12 @@ void Conductor::displayedTextChanged()
 	new_value.setValue(new_properties);
 
 
-	QUndoCommand *undo = new QUndoCommand(tr("Modifier les propriétés d'un conducteur", "undo caption"));
+	QUndoCommand *undo = new QUndoCommand(tr("Modifier les propri??t??s d'un conducteur", "undo caption"));
 	new QPropertyUndoCommand(this, "properties", old_value, new_value, undo);
 
 	if (!relatedPotentialConductors().isEmpty())
 	{
-		undo->setText(tr("Modifier les propriétés de plusieurs conducteurs", "undo caption"));
+		undo->setText(tr("Modifier les propri??t??s de plusieurs conducteurs", "undo caption"));
 
 		foreach (Conductor *potential_conductor, relatedPotentialConductors())
 		{
@@ -1722,7 +1769,7 @@ QSet<Conductor *> Conductor::relatedPotentialConductors(const bool all_diagram,
 */
 QETDiagramEditor* Conductor::diagramEditor() const
 {
-	if (!diagram())                     return nullptr;
+	if (!diagram())					 return nullptr;
 	if (diagram() -> views().isEmpty()) return nullptr;
 
 	QWidget *w = const_cast<QGraphicsView *>(diagram() -> views().at(0));
@@ -2013,7 +2060,7 @@ QPointF Conductor::movePointIntoPolygon(const QPointF &point, const QPainterPath
 				qreal length = qAbs(QLineF(points.at(i), point).length());
 				if (minimum_length < 0 || length < minimum_length) {
 					minimum_length = length;
-					point_index    = i;
+					point_index	= i;
 				}
 			}
 			// on connait desormais le coin le plus proche du texte

sources/qetgraphicsitem/conductor.h

@@ -19,6 +19,7 @@
 #define CONDUCTOR_H
 
 #include "conductorproperties.h"
+#include "propertiesinterface.h"
 #include <QGraphicsPathItem>
 #include "assignvariables.h"
 
@@ -39,7 +40,7 @@ typedef QHash<Qt::Corner, ConductorProfile> ConductorProfilesGroup;
 	This class represents a conductor, i.e. a wire between two element
 	terminals.
 */
-class Conductor : public QGraphicsObject
+class Conductor : public QGraphicsObject, public PropertiesInterface
 {
 	Q_OBJECT
 
@@ -100,11 +101,10 @@ class Conductor : public QGraphicsObject
 
 	public:
 		static bool valideXml (QDomElement &);
-		bool fromXml (QDomElement &);
-		QDomElement toXml (
-				QDomDocument &,
-				QHash<Terminal *,
-				int> &) const;
+		bool		fromXml   (const QDomElement &) override;
+		QDomElement toXml	 (QDomDocument &doc) const override;
+        void toSettings(QSettings &, const QString & = QString()) const override {}
+        void fromSettings(QSettings &, const QString & = QString()) override {}
 	private:
 		bool pathFromXml(const QDomElement &);
 
@@ -137,7 +137,7 @@ class Conductor : public QGraphicsObject
 		{return m_autoNum_seq;}
 		void setSequenceNum(const autonum::sequentialNumbers& sn);
 
-        QList<QPointF> junctions() const;
+		QList<QPointF> junctions() const;
 
 	private:
 		void setUpConnectionForFormula(
@@ -181,28 +181,28 @@ class Conductor : public QGraphicsObject
 		
 		QVector<QetGraphicsHandlerItem *> m_handler_vector;
 		int m_vector_index = -1;
-		bool m_mouse_over;
+		bool m_mouse_over{false};
 			/// Functional properties
 		ConductorProperties m_properties;
 			/// Text input for non simple, non-singleline conductors
-		ConductorTextItem *m_text_item;
+		ConductorTextItem *m_text_item{nullptr};
 			/// Segments composing the conductor
-		ConductorSegment *segments;
+		ConductorSegment *segments{nullptr};
 			/// Attributs related to mouse interaction
-		bool m_moving_segment;
+		bool m_moving_segment{false};
 		int moved_point;
 		qreal m_previous_z_value;
 		ConductorSegment *m_moved_segment;
 		QPointF before_mov_text_pos_;
 			/// Whether the conductor was manually modified by users
-		bool modified_path;
+		bool modified_path{false};
 			/// Whether the current profile should be saved as soon as possible
-		bool has_to_save_profile;
+		bool has_to_save_profile{false};
 			/// conductor profile: "photography" of what the conductor is supposed to look
 			/// like - there is one profile per kind of traject
 		ConductorProfilesGroup conductor_profiles;
 			/// Define whether and how the conductor should be highlighted
-		Highlight must_highlight_;
+		Highlight must_highlight_{Conductor::None};
 		bool m_valid;
 		bool m_freeze_label = false;
 

sources/qetgraphicsitem/conductortextitem.cpp

@@ -26,9 +26,7 @@
 */
 ConductorTextItem::ConductorTextItem(Conductor *parent_conductor) :
 	DiagramTextItem(parent_conductor),
-	parent_conductor_(parent_conductor),
-	moved_by_user_(false),
-	rotate_by_user_(false)
+	parent_conductor_(parent_conductor)
 {
 	setAcceptHoverEvents(true);
 }
@@ -62,19 +60,34 @@ Conductor *ConductorTextItem::parentConductor() const
 	return(parent_conductor_);
 }
 
+void ConductorTextItem::toXml(QDomDocument& doc, QDomElement& e) {
+	if(moved_by_user_)
+	{
+		e.appendChild(PropertiesInterface::createXmlProperty(doc, "userx", pos().x()));
+		e.appendChild(PropertiesInterface::createXmlProperty(doc, "usery", pos().y()));
+	}
+	if(rotate_by_user_)
+		e.appendChild(PropertiesInterface::createXmlProperty(doc, "rotation", rotation()));
+}
+
+
 /**
 	@brief ConductorTextItem::fromXml
 	Read the properties stored in the xml element given in parameter
 	@param e
 */
 void ConductorTextItem::fromXml(const QDomElement &e) {
-	if (e.hasAttribute("userx")) {
-		setPos(e.attribute("userx").toDouble(),
-			   e.attribute("usery").toDouble());
+
+	double userx=0, usery=0;
+	if (PropertiesInterface::propertyDouble(e, "userx", &userx) == PropertiesInterface::PropertyFlags::Success &&
+		PropertiesInterface::propertyDouble(e, "usery", &usery) == PropertiesInterface::PropertyFlags::Success) {
+		setPos(userx, usery);
 		moved_by_user_ = true;
 	}
-	if (e.hasAttribute("rotation")) {
-		setRotation(e.attribute("rotation").toDouble());
+
+	double rotation;
+	if (PropertiesInterface::propertyDouble(e, "rotation", &rotation) == PropertiesInterface::PropertyFlags::Success) {
+		setRotation(rotation);
 		rotate_by_user_ = true;
 	}
 }

sources/qetgraphicsitem/conductortextitem.h

@@ -42,6 +42,7 @@ class ConductorTextItem : public DiagramTextItem
 		enum { Type = UserType + 1006 };
 		Conductor *parentConductor() const;
 		void fromXml(const QDomElement &) override;
+		void toXml(QDomDocument& doc, QDomElement& e);
 		int type() const override { return Type; }
 		virtual bool wasMovedByUser() const;
 		virtual bool wasRotateByUser() const;
@@ -52,7 +53,7 @@ class ConductorTextItem : public DiagramTextItem
 
 	protected:
 		void mousePressEvent   (QGraphicsSceneMouseEvent *event) override;
-		void mouseMoveEvent    (QGraphicsSceneMouseEvent *event) override;
+		void mouseMoveEvent	(QGraphicsSceneMouseEvent *event) override;
 		void mouseReleaseEvent (QGraphicsSceneMouseEvent *event) override;
 		void hoverEnterEvent(QGraphicsSceneHoverEvent *) override;
 		void hoverLeaveEvent(QGraphicsSceneHoverEvent *) override;
@@ -61,8 +62,8 @@ class ConductorTextItem : public DiagramTextItem
 		// attributes
 	private:
 		Conductor *parent_conductor_;
-		bool moved_by_user_;
-		bool rotate_by_user_;
+		bool moved_by_user_{false};
+		bool rotate_by_user_{false};
 		QPointF before_mov_pos_;
 };
 #endif

sources/qetgraphicsitem/dynamicelementtextitem.cpp

@@ -212,7 +212,7 @@ void DynamicElementTextItem::fromXml(const QDomElement &dom_elmt)
 		setColor(QColor(dom_color.text()));
 	
 		//Force the update of the displayed text
-	setTextFrom(m_text_from);
+	setTextFrom(m_text_from); // TODO: does not update because there is a retrun inside if the textfrom argument is the same as m_text_from
 	
 	QGraphicsTextItem::setPos(dom_elmt.attribute("x", QString::number(0)).toDouble(),
 							  dom_elmt.attribute("y", QString::number(0)).toDouble());
@@ -1293,12 +1293,12 @@ void DynamicElementTextItem::updateXref()
 					m_slave_Xref_item->setFont(QETApp::diagramTextsFont(5));
 					m_slave_Xref_item->installSceneEventFilter(this);
 					
-					m_update_slave_Xref_connection << connect(m_master_element.data(), &Element::xChanged,                       this, &DynamicElementTextItem::updateXref);
-					m_update_slave_Xref_connection << connect(m_master_element.data(), &Element::yChanged,                       this, &DynamicElementTextItem::updateXref);
-					m_update_slave_Xref_connection << connect(m_master_element.data(), &Element::elementInfoChange,              this, &DynamicElementTextItem::updateXref);
-					m_update_slave_Xref_connection << connect(diagram()->project(),    &QETProject::projectDiagramsOrderChanged, this, &DynamicElementTextItem::updateXref);
-					m_update_slave_Xref_connection << connect(diagram()->project(),    &QETProject::diagramRemoved,              this, &DynamicElementTextItem::updateXref);
-					m_update_slave_Xref_connection << connect(diagram()->project(),    &QETProject::XRefPropertiesChanged,       this, &DynamicElementTextItem::updateXref);
+					m_update_slave_Xref_connection << connect(m_master_element.data(), &Element::xChanged,					   this, &DynamicElementTextItem::updateXref);
+					m_update_slave_Xref_connection << connect(m_master_element.data(), &Element::yChanged,					   this, &DynamicElementTextItem::updateXref);
+					m_update_slave_Xref_connection << connect(m_master_element.data(), &Element::elementInfoChange,			  this, &DynamicElementTextItem::updateXref);
+					m_update_slave_Xref_connection << connect(diagram()->project(),	&QETProject::projectDiagramsOrderChanged, this, &DynamicElementTextItem::updateXref);
+					m_update_slave_Xref_connection << connect(diagram()->project(),	&QETProject::diagramRemoved,			  this, &DynamicElementTextItem::updateXref);
+					m_update_slave_Xref_connection << connect(diagram()->project(),	&QETProject::XRefPropertiesChanged,	   this, &DynamicElementTextItem::updateXref);
 				}
 				else
 					m_slave_Xref_item->setPlainText(xref_label);

sources/qetgraphicsitem/dynamicelementtextitem.h

@@ -152,7 +152,7 @@ class DynamicElementTextItem : public DiagramTextItem
 		QList<QMetaObject::Connection>
 		m_formula_connection,
 		m_update_slave_Xref_connection;
-		QColor m_user_color;
+		QColor m_user_color{QColor()};
 		bool
 		m_frame = false,
 		m_first_scene_change = true;

sources/qetgraphicsitem/element.cpp

@@ -96,7 +96,8 @@ Element::Element(
 		}
 	}
 	int elmt_state;
-	buildFromXml(location.xml(), &elmt_state);
+	qDebug() << "\tCollection Path: " << location.collectionPath();
+	buildFromXml(location.xml(), &elmt_state); // build from the collection definition
 	if (state) {
 		*state = elmt_state;
 	}
@@ -337,8 +338,8 @@ void Element::drawSelection(
 	Q_UNUSED(options);
 	painter -> save();
 	// Annulation des renderhints
-	painter -> setRenderHint(QPainter::Antialiasing,          false);
-	painter -> setRenderHint(QPainter::TextAntialiasing,      false);
+	painter -> setRenderHint(QPainter::Antialiasing,		  false);
+	painter -> setRenderHint(QPainter::TextAntialiasing,	  false);
 	painter -> setRenderHint(QPainter::SmoothPixmapTransform, false);
 	// Dessin du cadre de selection en gris
 	QPen t;
@@ -387,7 +388,7 @@ void Element::drawHighlight(
 
 /**
 	@brief Element::buildFromXml
-	Build this element from an xml description
+	Build this element from an xml description (from the collection)
 	@param xml_def_elmt
 	@param state
 	Optional pointer which define the status of build
@@ -420,9 +421,9 @@ bool Element::buildFromXml(const QDomElement &xml_def_elmt, int *state)
 		if (conv_ok && QET::version.toDouble() < element_version)
 		{
 			std::cerr << qPrintable(
-				QObject::tr("Avertissement : l'élément "
-				" a été enregistré avec une version"
-				" ultérieure de QElectroTech.")
+				QObject::tr("Avertissement : l'??l??ment "
+				" a ??t?? enregistr?? avec une version"
+				" ult??rieure de QElectroTech.")
 			) << std::endl;
 		}
 	}
@@ -504,11 +505,15 @@ bool Element::buildFromXml(const QDomElement &xml_def_elmt, int *state)
 				if (qde.isNull())
 					continue;
 
-				if (parseElement(qde)) {
+				qDebug() << "\t\tElement.cpp:buildFromXml;parseElement: " << qde.tagName();
+				
+				if (parseElement(qde)) { // TODO: why lines are not parsed here?
+					qDebug() << "\t\t\tParsing Element success";
 					++ parsed_elements_count;
 				}
 				else
 				{
+					qDebug() << "\t\t\tParsing Element no success";
 					if (state)
 						*state = 7;
 					m_state = QET::GIOK;
@@ -534,13 +539,11 @@ bool Element::buildFromXml(const QDomElement &xml_def_elmt, int *state)
 		m_state = QET::GIOK;
 		return(false);
 	}
-	else
-	{
-		if (state)
-			*state = 0;
-		m_state = QET::GIOK;
-		return(true);
-	}
+
+    if (state)
+        *state = 0;
+    m_state = QET::GIOK;
+    return(true);
 }
 
 /**
@@ -551,8 +554,8 @@ bool Element::buildFromXml(const QDomElement &xml_def_elmt, int *state)
 */
 bool Element::parseElement(const QDomElement &dom)
 {
-	if      (dom.tagName() == "terminal")     return(parseTerminal(dom));
-	else if (dom.tagName() == "input")        return(parseInput(dom));
+	if	  (dom.tagName() == "terminal")	 return(parseTerminal(dom));
+	else if (dom.tagName() == "input")		return(parseInput(dom));
 	else if (dom.tagName() == "dynamic_text") return(parseDynamicText(dom));
 	else return(true);
 }
@@ -644,13 +647,11 @@ DynamicElementTextItem *Element::parseDynamicText(
 */
 Terminal *Element::parseTerminal(const QDomElement &dom_element)
 {
-	TerminalData* data = new TerminalData();
-	if (!data->fromXml(dom_element)) {
-		delete data;
+	if (!Terminal::valideXml(dom_element))
 		return nullptr;
-	}
 
-	Terminal *new_terminal = new Terminal(data, this);
+	Terminal *new_terminal = new Terminal(0, 0, Qet::Orientation::North, this); // does not matter which values are typed in here, because they get overwritten by the fromXML() function
+	new_terminal->fromXml(dom_element);
 	m_terminals << new_terminal;
 
 		//Sort from top to bottom and left to rigth
@@ -665,7 +666,7 @@ Terminal *Element::parseTerminal(const QDomElement &dom_element)
 			return (a->dockConductor().y() < b->dockConductor().y());
 	});
 
-	return(new_terminal);
+	return(new_terminal); // TODO: makes no sense
 }
 
 /**
@@ -679,8 +680,8 @@ bool Element::valideXml(QDomElement &e) {
 
 	// verifie la presence des attributs minimaux
 	if (!e.hasAttribute("type")) return(false);
-	if (!e.hasAttribute("x"))    return(false);
-	if (!e.hasAttribute("y"))    return(false);
+	if (!e.hasAttribute("x"))	return(false);
+	if (!e.hasAttribute("y"))	return(false);
 
 	bool conv_ok;
 	// parse l'abscisse
@@ -707,15 +708,14 @@ bool Element::valideXml(QDomElement &e) {
 */
 bool Element::fromXml(
 		QDomElement &e,
-		QHash<int,
-		Terminal *> &table_id_adr)
+        QHash<int, Terminal *> &table_id_adr)
 {
 	m_state = QET::GILoadingFromXml;
 	/*
 		les bornes vont maintenant etre recensees pour associer leurs id a leur adresse reelle
 		ce recensement servira lors de la mise en place des fils
 	*/
-	QList<QDomElement> liste_terminals;
+	QList<QDomElement> liste_terminals; // terminals in the element in the diagram
 	foreach(QDomElement qde,
 			QET::findInDomElement(e, "terminals", "terminal")) {
 		if (Terminal::valideXml(qde)) liste_terminals << qde;
@@ -723,15 +723,29 @@ bool Element::fromXml(
 
 	QHash<int, Terminal *> priv_id_adr;
 	int terminals_non_trouvees = 0;
-	foreach(QGraphicsItem *qgi, childItems()) {
+	// The added childs from the collection now must match with the terminals from the diagram. Iterate through
+	// all Terminals in the collection and in the diagram to link them together
+	for(QGraphicsItem *qgi: childItems()) { // TODO: Where the Terminals are added as childs?
 		if (Terminal *p = qgraphicsitem_cast<Terminal *>(qgi)) {
 			bool terminal_trouvee = false;
-			foreach(QDomElement qde, liste_terminals) {
-				if (p -> fromXml(qde)) {
-					priv_id_adr.insert(
-							qde.attribute(
-								"id").toInt(),
-							p);
+			for(QDomElement qde: liste_terminals) {
+				// The position in the collection element definition is the origin position (originPos).
+				// The position in the diagram element definition  is the position where the conductor is connected (dock position)
+				// Therefore a simple operator overloading is not possible.
+				Terminal diagramTerminal(0,0, Qet::Orientation::East);
+				diagramTerminal.fromXml(qde);
+				QPointF dockPos1 = diagramTerminal.originPos(); // position here is directly the dock_elmt_ position (stored in the diagram)
+				QPointF dockPos2 = p->dockPos();
+				if (qFuzzyCompare(dockPos1.x(), dockPos2.x()) &&
+					qFuzzyCompare(dockPos1.y(), dockPos2.y()) &&
+					p->orientation() == diagramTerminal.orientation()) { // check if the part in the collection is the same as in the diagram stored
+					qDebug() << "Matching Terminal found.";
+					// store id for legacy purpose, because when opening a old project in the collection the terminal does not have an uuid. Therefore the id must be used
+					if (p->uuid().isNull()) {
+						p->setID(qde.attribute("id").toInt());
+					}
+
+					priv_id_adr.insert(qde.attribute("id").toInt(), p);
 					terminal_trouvee = true;
 					// We used to break here, because we did not expect
 					// several terminals to share the same position.
@@ -744,6 +758,7 @@ bool Element::fromXml(
 
 	if (terminals_non_trouvees > 0)
 	{
+		qDebug() << "element.cpp: Element::fromXML; Elements not found: " << terminals_non_trouvees;
 		m_state = QET::GIOK;
 		return(false);
 	}
@@ -761,15 +776,15 @@ bool Element::fromXml(
 		}
 		// copie des associations id / adr
 		foreach(int id_trouve, priv_id_adr.keys()) {
-			table_id_adr.insert(id_trouve,
+            table_id_adr.insert(id_trouve,
 						priv_id_adr.value(id_trouve));
 		}
 	}
 
 	//load uuid of connected elements
-	QList <QDomElement> uuid_list = QET::findInDomElement(e,
-								  "links_uuids",
-								  "link_uuid");
+	QList <QDomElement> uuid_list = QET::findInDomElement(e, "links_uuids", "link_uuid");
+	foreach (QDomElement qdo, uuid_list) tmp_uuids_link << qdo.attribute("uuid");
+	
 	foreach (QDomElement qdo, uuid_list)
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)	// ### Qt 6: remove
 		tmp_uuids_link << qdo.attribute("uuid");
@@ -823,7 +838,7 @@ bool Element::fromXml(
 
 		//************************//
 		//***Dynamic texts item***//
-		//************************//
+		//************************// read from the diagram section
 	for (const QDomElement& qde : QET::findInDomElement(
 			 e,
 			 "dynamic_texts",
@@ -837,7 +852,7 @@ bool Element::fromXml(
 		//************************//
 		//***Element texts item***//
 		//************************//
-	QList<QDomElement> inputs = QET::findInDomElement(e, "inputs", "input");
+	QList<QDomElement> inputs = QET::findInDomElement(e, "inputs", "input"); // inputs in diagram section
 
 		//First case, we check for the text item converted to dynamic text item
 	const QList <DynamicElementTextItem *> conv_deti_list =
@@ -1061,6 +1076,7 @@ bool Element::fromXml(
 						}
 
 						QPointF pos = deti->pos();
+                        // TODO: check
 						if (m_link_type !=PreviousReport
 							|| m_link_type !=NextReport)
 						{
@@ -1165,9 +1181,7 @@ bool Element::fromXml(
 	\~French L'element XML representant cet element electrique
 */
 QDomElement Element::toXml(
-		QDomDocument &document,
-		QHash<Terminal *,
-		int> &table_adr_id) const
+        QDomDocument &document) const
 {
 	QDomElement element = document.createElement("element");
 
@@ -1194,18 +1208,6 @@ QDomElement Element::toXml(
 	element.setAttribute("z", QString::number(this->zValue()));
 	element.setAttribute("orientation", QString::number(orientation()));
 
-	/* get the first id to use for the bounds of this element
-	 * recupere le premier id a utiliser pour les bornes de cet element */
-	int id_terminal = 0;
-	if (!table_adr_id.isEmpty()) {
-		// trouve le plus grand id
-		int max_id_t = -1;
-		foreach (int id_t, table_adr_id.values()) {
-			if (id_t > max_id_t) max_id_t = id_t;
-		}
-		id_terminal = max_id_t + 1;
-	}
-
 	// registration of device terminals
 	// enregistrement des bornes de l'appareil
 	QDomElement xml_terminals = document.createElement("terminals");
@@ -1214,8 +1216,10 @@ QDomElement Element::toXml(
 	foreach(Terminal *t, terminals()) {
 		// alors on enregistre la borne
 		QDomElement terminal = t -> toXml(document);
-		terminal.setAttribute("id", id_terminal); // for backward compatibility
-		table_adr_id.insert(t, id_terminal ++);
+		if (t->ID() > 0) {
+			// for backward compatibility
+			terminal.setAttribute("id", t->ID()); // for backward compatibility
+		}
 		xml_terminals.appendChild(terminal);
 	}
 	element.appendChild(xml_terminals);

sources/qetgraphicsitem/element.h

@@ -38,7 +38,7 @@ class ElementTextItemGroup;
 /**
 	This is the base class for electrical elements.
 */
-class Element : public QetGraphicsItem
+class Element : public QetGraphicsItem // TODO: derive from propertiesInterface!
 {
 	friend class DiagramEventAddElement;
 
@@ -130,14 +130,8 @@ class Element : public QetGraphicsItem
 		QPoint hotspot() const;
 		void editProperty() override;
 		static bool valideXml(QDomElement &);
-		virtual bool fromXml(
-				QDomElement &,
-				QHash<int,
-				Terminal *> &);
-		virtual QDomElement toXml(
-				QDomDocument &,
-				QHash<Terminal *,
-				int> &) const;
+        virtual bool fromXml(QDomElement &, QHash<int, Terminal *> &);
+		virtual QDomElement toXml(QDomDocument &) const;
 		QUuid uuid() const;
 		int orientation() const;
 
@@ -166,7 +160,7 @@ class Element : public QetGraphicsItem
 		QList<Element *> linkedElements ();
 		virtual kind linkType() const {return m_link_type;} // return the linkable type
 		QString linkTypeToString() const;
-		void newUuid() {m_uuid = QUuid::createUuid();} 	//create new uuid for this element
+		void newUuid() {m_uuid = QUuid::createUuid();}	 //create new uuid for this element
 
 	protected:
 		void drawAxes(QPainter *, const QStyleOptionGraphicsItem *);
@@ -215,9 +209,9 @@ class Element : public QetGraphicsItem
 
 			//ATTRIBUTES related to linked element
 		QList <Element *> connected_elements;
-		QList <QUuid>     tmp_uuids_link;
-		QUuid             m_uuid;
-		kind              m_link_type = Element::Simple;
+		QList <QUuid>	 tmp_uuids_link;
+		QUuid			 m_uuid;
+		kind			  m_link_type = Element::Simple;
 
 			//ATTRIBUTES related to informations
 		DiagramContext m_element_informations, m_kind_informations;

sources/qetgraphicsitem/elementtextitemgroup.cpp

@@ -316,8 +316,8 @@ void ElementTextItemGroup::setHoldToBottomPage(bool hold)
 						&Element::linkedElementChanged,
 						[this]()
 			{QTimer::singleShot(200,
-					    this,
-					    &ElementTextItemGroup::autoPos);}
+						this,
+						&ElementTextItemGroup::autoPos);}
 			);
 			if(m_parent_element->diagram())
 				m_XrefChanged_timer = connect(
@@ -325,8 +325,8 @@ void ElementTextItemGroup::setHoldToBottomPage(bool hold)
 							&QETProject::XRefPropertiesChanged,
 							[this]()
 				{QTimer::singleShot(200,
-						    this,
-						    &ElementTextItemGroup::autoPos);}
+							this,
+							&ElementTextItemGroup::autoPos);}
 				);
 		}
 		autoPos();
@@ -437,6 +437,7 @@ QDomElement ElementTextItemGroup::toXml(QDomDocument &dom_document) const
 	return dom_element;
 }
 
+// TOOD: inherit from propertiesinterface
 /**
 	@brief ElementTextItemGroup::fromXml
 	Import data of this group from xml
@@ -622,7 +623,7 @@ void ElementTextItemGroup::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
 	{
 		if(diagram() && m_first_move)
 			diagram()->elementTextsMover().beginMovement(diagram(),
-								     this);
+									 this);
 		
 		if(m_first_move)
 		{
@@ -705,7 +706,7 @@ void ElementTextItemGroup::mouseDoubleClickEvent(
 */
 void ElementTextItemGroup::keyPressEvent(QKeyEvent *event)
 {	
- 	if(event->modifiers() == Qt::ControlModifier)
+	 if(event->modifiers() == Qt::ControlModifier)
 	{
 		if(event->key() == Qt::Key_Left && m_alignment	!= Qt::AlignLeft)
 		{
@@ -799,12 +800,12 @@ void ElementTextItemGroup::updateXref()
 						m_slave_Xref_item = new QGraphicsTextItem(xref_label, this);
 						m_slave_Xref_item->setFont(QETApp::diagramTextsFont(5));
 						
-						m_update_slave_Xref_connection << connect(master_elmt, &Element::xChanged,                       this, &ElementTextItemGroup::updateXref);
-						m_update_slave_Xref_connection << connect(master_elmt, &Element::yChanged,                       this, &ElementTextItemGroup::updateXref);
-						m_update_slave_Xref_connection << connect(master_elmt, &Element::elementInfoChange,              this, &ElementTextItemGroup::updateXref);
-						m_update_slave_Xref_connection << connect(project,     &QETProject::projectDiagramsOrderChanged, this, &ElementTextItemGroup::updateXref);
-						m_update_slave_Xref_connection << connect(project,     &QETProject::diagramRemoved,              this, &ElementTextItemGroup::updateXref);
-						m_update_slave_Xref_connection << connect(project,     &QETProject::XRefPropertiesChanged,       this, &ElementTextItemGroup::updateXref);
+						m_update_slave_Xref_connection << connect(master_elmt, &Element::xChanged,					   this, &ElementTextItemGroup::updateXref);
+						m_update_slave_Xref_connection << connect(master_elmt, &Element::yChanged,					   this, &ElementTextItemGroup::updateXref);
+						m_update_slave_Xref_connection << connect(master_elmt, &Element::elementInfoChange,			  this, &ElementTextItemGroup::updateXref);
+						m_update_slave_Xref_connection << connect(project,	 &QETProject::projectDiagramsOrderChanged, this, &ElementTextItemGroup::updateXref);
+						m_update_slave_Xref_connection << connect(project,	 &QETProject::diagramRemoved,			  this, &ElementTextItemGroup::updateXref);
+						m_update_slave_Xref_connection << connect(project,	 &QETProject::XRefPropertiesChanged,	   this, &ElementTextItemGroup::updateXref);
 					}
 					else
 						m_slave_Xref_item->setPlainText(xref_label);

sources/qetgraphicsitem/elementtextitemgroup.h

@@ -32,7 +32,7 @@ class CrossRefItem;
 	This class represent a group of element text
 	Texts in the group can be aligned left / center /right
 */
-class ElementTextItemGroup : public QObject, public  QGraphicsItemGroup
+class ElementTextItemGroup : public QObject, public  QGraphicsItemGroup // TODO: derive from PropertiesInterface
 {
 	Q_OBJECT
 	
@@ -112,7 +112,7 @@ class ElementTextItemGroup : public QObject, public  QGraphicsItemGroup
 		m_hold_to_bottom_of_page = false,
 		m_block_alignment_update = false,
 		m_frame = false;
-		QPointF m_initial_position;
+		QPointF m_initial_position{QPointF(0,0)};
 		int m_vertical_adjustment = 0;
 		CrossRefItem *m_Xref_item = nullptr;
 		Element *m_parent_element = nullptr;

sources/qetgraphicsitem/independenttextitem.cpp

@@ -50,6 +50,7 @@ IndependentTextItem::~IndependentTextItem()
 {
 }
 
+// TODO: inherit from PropertiesInterface
 /**
 	Permet de lire le texte a mettre dans le champ a partir d'un element XML.
 	Cette methode se base sur la position du champ pour assigner ou non la

sources/qetgraphicsitem/qetgraphicsitem.cpp

@@ -24,10 +24,7 @@
 	@param parent : Parent Item
 */
 QetGraphicsItem::QetGraphicsItem(QGraphicsItem *parent):
-	QGraphicsObject(parent),
-	is_movable_(true),
-	m_first_move(true),
-	snap_to_grid_(true)
+	QGraphicsObject(parent)
 {}
 
 QetGraphicsItem::~QetGraphicsItem()

sources/qetgraphicsitem/qetgraphicsitem.h

@@ -55,10 +55,10 @@ class QetGraphicsItem : public QGraphicsObject
 		void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
 
 	protected:
-		bool is_movable_;
-		bool m_first_move;
-		bool snap_to_grid_;
-		QPointF m_mouse_to_origin_movement;
+		bool is_movable_{true};
+		bool m_first_move{true};
+		bool snap_to_grid_{true};
+		QPointF m_mouse_to_origin_movement{QPointF(0,0)};
 		QET::GraphicsItemState m_state = QET:: GIOK;
 
 };

sources/qetgraphicsitem/qetshapeitem.cpp

@@ -325,7 +325,7 @@ void QetShapeItem::paint(
 
 	switch (m_shapeType)
 	{
-	case Line:      painter->drawLine(QLineF(m_P1, m_P2)); break;
+	case Line:	  painter->drawLine(QLineF(m_P1, m_P2)); break;
 	case Rectangle: painter->drawRoundedRect(QRectF(m_P1, m_P2),
 						 m_xRadius,
 						 m_yRadius); break;
@@ -662,7 +662,7 @@ void QetShapeItem::insertPoint()
 		if(new_polygon != m_polygon)
 		{
 				//Wrap the undo for avoid to merge the undo commands when user add several points.
-			QUndoCommand *undo = new QUndoCommand(tr("Ajouter un point à un polygone"));
+			QUndoCommand *undo = new QUndoCommand(tr("Ajouter un point ?? un polygone"));
 			new QPropertyUndoCommand(this, "polygon", m_polygon, new_polygon, undo);
 			diagram()->undoStack().push(undo);
 		}
@@ -835,6 +835,7 @@ void QetShapeItem::handlerMouseReleaseEvent()
 	}
 }
 
+// TODO: inherit from Propertiesinterface!
 /**
 	@brief QetShapeItem::fromXml
 	Build this item from the xml description
@@ -852,20 +853,20 @@ bool QetShapeItem::fromXml(const QDomElement &e)
 
 	QString type = e.attribute("type");
 #if TODO_LIST
-#pragma message("@TODO Compatibility for version older than N°4075, shape type was stored with an int")
+#pragma message("@TODO Compatibility for version older than N??4075, shape type was stored with an int")
 #endif
-		//@TODO Compatibility for version older than N°4075, shape type was stored with an int
+		//@TODO Compatibility for version older than N??4075, shape type was stored with an int
 	if (type.size() == 1)
 	{
 		switch(e.attribute("type","0").toInt())
 		{
-			case 0: m_shapeType = Line;      break;
+			case 0: m_shapeType = Line;	  break;
 			case 1: m_shapeType = Rectangle; break;
 			case 2: m_shapeType = Ellipse;   break;
 			case 3: m_shapeType = Polygon;  break;
 		}
 	}
-		//For version after N°4075, shape is stored with a string
+		//For version after N??4075, shape is stored with a string
 	else
 	{
 		QMetaEnum me = metaObject()->enumerator(metaObject()->indexOfEnumerator("ShapeType"));
@@ -968,28 +969,28 @@ bool QetShapeItem::toDXF(const QString &filepath,const QPen &pen)
 	switch (m_shapeType)
 	{
 		case Line:
-	    Createdxf::drawLine(filepath,
+		Createdxf::drawLine(filepath,
 			QLineF( mapToScene(m_P1),
 				mapToScene(m_P2)),
 				Createdxf::dxfColor(pen));
-	    return true;
+		return true;
 		case Rectangle:
-	    Createdxf::drawRectangle(filepath,
+		Createdxf::drawRectangle(filepath,
 			 QRectF(mapToScene(m_P1),
 				mapToScene(m_P2)).normalized(),
 				Createdxf::dxfColor(pen));
-	    return true;
+		return true;
 		case Ellipse:
-	    Createdxf::drawEllipse(filepath,
+		Createdxf::drawEllipse(filepath,
 			 QRectF(mapToScene(m_P1),
 				mapToScene(m_P2)).normalized(),
 				Createdxf::dxfColor(pen));
-	    return true;
+		return true;
 	case Polygon:
-	    Createdxf::drawPolygon(filepath,m_polygon,Createdxf::dxfColor(pen));
-	    return true;
+		Createdxf::drawPolygon(filepath,m_polygon,Createdxf::dxfColor(pen));
+		return true;
 	default:
-	    return false;
+		return false;
 	}
 }
 
@@ -1012,10 +1013,10 @@ void QetShapeItem::editProperty()
 QString QetShapeItem::name() const
 {
 	switch (m_shapeType) {
-		case Line:	    return tr("une ligne");
+		case Line:		return tr("une ligne");
 		case Rectangle:	return tr("un rectangle");
-		case Ellipse:	return tr("une éllipse");
+		case Ellipse:	return tr("une ??llipse");
 		case Polygon:	return tr("une polyligne");
-		default:	    return tr("une shape");
+		default:		return tr("une shape");
 	}
 }

sources/qetgraphicsitem/slaveelement.h

@@ -35,7 +35,7 @@ class SlaveElement : public Element
 		void unlinkElement(Element *elmt) override;
 	
 	private:
-		QGraphicsTextItem *m_xref_item;
+		QGraphicsTextItem *m_xref_item{nullptr};
 };
 
 #endif // SLAVEELEMENT_H

sources/qetgraphicsitem/terminal.cpp

@@ -26,11 +26,11 @@
 #include "conductortextitem.h"
 #include "terminaldata.h"
 
-QColor Terminal::neutralColor      = QColor(Qt::blue);
-QColor Terminal::allowedColor      = QColor(Qt::darkGreen);
-QColor Terminal::warningColor      = QColor("#ff8000");
-QColor Terminal::forbiddenColor    = QColor(Qt::red);
-const qreal Terminal::terminalSize = 4.0;
+QColor Terminal::neutralColor	  = QColor(Qt::blue);
+QColor Terminal::allowedColor	  = QColor(Qt::darkGreen);
+QColor Terminal::warningColor	  = QColor("#ff8000");
+QColor Terminal::forbiddenColor	= QColor(Qt::red);
+const qreal Terminal::terminalSize = 4.0; // TODO: store terminalSize in terminaldata, because in PartTerminal there is the same parameter. So only one is needed
 const qreal Terminal::Z = 1000;
 
 /**
@@ -43,8 +43,6 @@ const qreal Terminal::Z = 1000;
 void Terminal::init(
 		QString number, QString name, bool hiddenName)
 {
-	hovered_color_  = Terminal::neutralColor;
-
 	// calcul de la position du point d'amarrage a l'element
 	dock_elmt_ = d->m_pos;
 	switch(d->m_orientation) {
@@ -52,22 +50,20 @@ void Terminal::init(
 		case Qet::East : dock_elmt_ += QPointF(-Terminal::terminalSize, 0); break;
 		case Qet::West : dock_elmt_ += QPointF(Terminal::terminalSize, 0);  break;
 		case Qet::South:
-		default        : dock_elmt_ += QPointF(0, -Terminal::terminalSize);
+		default		: dock_elmt_ += QPointF(0, -Terminal::terminalSize);
 	}
 	// Number of terminal
 	number_terminal_ = std::move(number);
 	// Name of terminal
-	name_terminal_ = std::move(name);
+	d->m_name = std::move(name);
 	name_terminal_hidden = hiddenName;
 	// par defaut : pas de conducteur
 
 	// QRectF null
 	br_ = new QRectF();
-	previous_terminal_ = nullptr;
 	// divers
 	setAcceptHoverEvents(true);
 	setAcceptedMouseButtons(Qt::LeftButton);
-	hovered_ = false;
 	setToolTip(QObject::tr("Borne", "tooltip"));
 	setZValue(Z);
 }
@@ -116,8 +112,8 @@ Terminal::Terminal(QPointF pf, Qet::Orientation o, Element *e) :
 	initialise une borne
 	@param pf_x Abscisse du point d'amarrage pour un conducteur
 	@param pf_y Ordonnee du point d'amarrage pour un conducteur
-	@param o    orientation de la borne : Qt::Horizontal ou Qt::Vertical
-	@param e    Element auquel cette borne appartient
+	@param o	orientation de la borne : Qt::Horizontal ou Qt::Vertical
+	@param e	Element auquel cette borne appartient
 */
 Terminal::Terminal(qreal pf_x, qreal pf_y, Qet::Orientation o, Element *e) :
 	QGraphicsObject(e),
@@ -143,7 +139,7 @@ Terminal::Terminal(
 		QString name,
 		bool hiddenName,
 		Element *e) :
-	QGraphicsObject    (e),
+	QGraphicsObject	(e),
 	d(new TerminalData(this)),
 	parent_element_  (e)
 {
@@ -214,10 +210,18 @@ void Terminal::setNumber(QString number)
 */
 void Terminal::setName(QString name, bool hiddenName)
 {
-	name_terminal_ = std::move(name);
+	d->m_name = std::move(name);
 	name_terminal_hidden = hiddenName;
 }
 
+/**
+	@brief Terminal::name
+	@return the name of terminal.
+*/
+inline QString Terminal::name() const {
+	return(d->m_name);
+}
+
 /**
 	@brief Terminal::addConductor
 	Add a conductor to this terminal
@@ -283,8 +287,8 @@ void Terminal::paint(
 	painter -> save();
 
 	//annulation des renderhints
-	painter -> setRenderHint(QPainter::Antialiasing,          false);
-	painter -> setRenderHint(QPainter::TextAntialiasing,      false);
+	painter -> setRenderHint(QPainter::Antialiasing,		  false);
+	painter -> setRenderHint(QPainter::TextAntialiasing,	  false);
 	painter -> setRenderHint(QPainter::SmoothPixmapTransform, false);
 
 	// on travaille avec les coordonnees de l'element parent
@@ -418,7 +422,7 @@ void Terminal::drawHelpLine(bool draw)
 QLineF Terminal::HelpLine() const
 {
 	QPointF scene_dock = dockConductor();
-	QRectF  rect       = diagram() -> border_and_titleblock.insideBorderRect();
+	QRectF  rect	   = diagram() -> border_and_titleblock.insideBorderRect();
 
 	QLineF line(scene_dock , QPointF());
 
@@ -509,7 +513,7 @@ Terminal* Terminal::alignedWithTerminal() const
 
 	//Available_terminals have several terminals, we get the nearest terminal
 	line.setP2(available_terminals.first() -> dockConductor());
-	qreal     current_lenght   = line.length();
+	qreal	 current_lenght   = line.length();
 	Terminal *nearest_terminal = available_terminals.takeFirst();
 
 	//Search the nearest terminal to this one
@@ -632,7 +636,7 @@ void Terminal::mouseMoveEvent(QGraphicsSceneMouseEvent *e)
 void Terminal::mouseReleaseEvent(QGraphicsSceneMouseEvent *e)
 {
 	previous_terminal_ = nullptr;
-	hovered_color_     = neutralColor;
+	hovered_color_	 = neutralColor;
 
 	if (!diagram()) return;
 
@@ -648,7 +652,7 @@ void Terminal::mouseReleaseEvent(QGraphicsSceneMouseEvent *e)
 	if (!other_terminal) return;
 
 	other_terminal -> hovered_color_ = neutralColor;
-	other_terminal -> hovered_       = false;
+	other_terminal -> hovered_	   = false;
 
 	//We stop her if we can't link this terminal with other terminal
 	if (!canBeLinkedTo(other_terminal)) return;
@@ -745,6 +749,10 @@ bool Terminal::canBeLinkedTo(Terminal *other_terminal)
 	return true;
 }
 
+void Terminal::setID(int id) {
+	m_id = id;
+}
+
 /**
 	@brief Terminal::conductors
 	@return La liste des conducteurs lies a cette borne
@@ -764,15 +772,24 @@ QDomElement Terminal::toXml(QDomDocument &doc) const
 {
 	QDomElement qdo = doc.createElement("terminal");
 
-	// for backward compatibility
-	qdo.setAttribute("x", QString("%1").arg(dock_elmt_.x()));
-	qdo.setAttribute("y",  QString("%1").arg(dock_elmt_.y()));
-	// end for backward compatibility
+	qdo.appendChild(createXmlProperty(doc, "number", number_terminal_));
+	qdo.appendChild(createXmlProperty(doc, "nameHidden", name_terminal_hidden));
+
+	// store terminal data too!
+
+	// Do not store terminal data in its own child
+	// Bad hack. The problem is that in the diagrams the terminal is described by the position and in the Collection by the dock.
+	QPointF tempPos = d->m_pos;
+	d->m_pos = dock_elmt_;
+	QDomElement terminalDataElement = d->toXml(doc);
+	d->m_pos = tempPos;
+
+	int childsCount = terminalDataElement.childNodes().count();
+	for (int i=0; i < childsCount; i++) {
+		QDomNode node = terminalDataElement.childNodes().at(i).cloneNode(); // cloneNode() is important, otherwise no deep clone is made
+		qdo.appendChild(node);
+	}
 
-	qdo.setAttribute("orientation", d->m_orientation);
-	qdo.setAttribute("number", number_terminal_);
-	qdo.setAttribute("name", name_terminal_);
-	qdo.setAttribute("nameHidden", name_terminal_hidden);
 	return(qdo);
 }
 
@@ -782,42 +799,25 @@ QDomElement Terminal::toXml(QDomDocument &doc) const
 	@param terminal Le QDomElement a analyser
 	@return true si le QDomElement passe en parametre est une borne, false sinon
 */
-bool Terminal::valideXml(QDomElement &terminal)
+bool Terminal::valideXml(const QDomElement &terminal)
 {
-	// verifie le nom du tag
 	if (terminal.tagName() != "terminal") return(false);
 
-	// verifie la presence des attributs minimaux
-	if (!terminal.hasAttribute("x")) return(false);
-	if (!terminal.hasAttribute("y")) return(false);
-	if (!terminal.hasAttribute("orientation")) return(false);
+// affuteuse_250h.qet contains in line 8398 terminals which do not have this
+//	if (propertyString(terminal, "number"))
+//		return false;
+// affuteuse_250h.qet contains in line 8398 terminals which do not have this
+//	if (propertyBool(terminal, "nameHidden"))
+//		return false;
 
-	bool conv_ok;
-	// parse l'abscisse
-	terminal.attribute("x").toDouble(&conv_ok);
-	if (!conv_ok) return(false);
-
-	// parse l'ordonnee
-	terminal.attribute("y").toDouble(&conv_ok);
-	if (!conv_ok) return(false);
-
-	// parse l'id
-	terminal.attribute("id").toInt(&conv_ok);
-	if (!conv_ok) return(false);
-
-	// parse l'orientation
-	int terminal_or = terminal.attribute("orientation").toInt(&conv_ok);
-	if (!conv_ok) return(false);
-	if (terminal_or != Qet::North
-			&& terminal_or != Qet::South
-			&& terminal_or != Qet::East
-			&& terminal_or != Qet::West) return(false);
+	if (!TerminalData::valideXml(terminal))
+		return false;
 
 	// a ce stade, la borne est syntaxiquement correcte
-	return(true);
+	return true;
 }
 
-/**
+/** RETURNS True
 	@brief Terminal::fromXml
 	Permet de savoir si un element XML represente cette borne. Attention,
 	l'element XML n'est pas verifie
@@ -825,17 +825,17 @@ bool Terminal::valideXml(QDomElement &terminal)
 	@return true si la borne "se reconnait"
 	(memes coordonnes, meme orientation), false sinon
 */
-bool Terminal::fromXml(QDomElement &terminal)
-{
-	number_terminal_ = terminal.attribute("number");
-	name_terminal_ = terminal.attribute("name");
-	name_terminal_hidden = terminal.attribute("nameHidden").toInt();
+bool Terminal::fromXml(const QDomElement &terminal) {
+	propertyString(terminal, "number", &number_terminal_);
 
-	return (
-		qFuzzyCompare(terminal.attribute("x").toDouble(), dock_elmt_.x()) &&
-		qFuzzyCompare(terminal.attribute("y").toDouble(), dock_elmt_.y()) &&
-		(terminal.attribute("orientation").toInt() == d->m_orientation)
-	);
+	propertyBool(terminal, "nameHidden", &name_terminal_hidden);
+
+	if(!d->fromXml(terminal))
+		return false;
+
+
+	init(number_terminal_, d->m_name, name_terminal_hidden); // initialize dock_elmt_. This must be done after Terminal data is initialized
+	return true;
 }
 
 /**
@@ -872,6 +872,18 @@ QUuid Terminal::uuid() const
 	return d->m_uuid;
 }
 
+int Terminal::ID() const {
+	return m_id;
+}
+
+QPointF Terminal::dockPos() {
+	return dock_elmt_;
+}
+
+QPointF Terminal::originPos() {
+	return d->m_pos;
+}
+
 /**
 	@brief Conductor::relatedPotentialTerminal
 	Return terminal at the same potential from the same

sources/qetgraphicsitem/terminal.h

@@ -20,6 +20,8 @@
 #include <QtWidgets>
 #include <QtXml>
 #include "qet.h"
+#include "propertiesinterface.h"
+
 class Conductor;
 class Diagram;
 class Element;
@@ -31,7 +33,7 @@ class TerminalData;
 	plug point for conductors.
 	This class handles all mouse events for connecting conductors
 */
-class Terminal : public QGraphicsObject
+class Terminal : public QGraphicsObject, public PropertiesInterface
 {
 	Q_OBJECT
 
@@ -41,10 +43,10 @@ class Terminal : public QGraphicsObject
 
 	// constructors, destructor
 	public:
-		Terminal(QPointF,      Qet::Orientation, Element * = nullptr);
+		Terminal(QPointF,	  Qet::Orientation, Element * = nullptr);
 		Terminal(qreal, qreal, Qet::Orientation, Element * = nullptr);
 		Terminal(TerminalData* data, Element *e = nullptr);
-		Terminal(QPointF,      Qet::Orientation, QString number,
+		Terminal(QPointF,	  Qet::Orientation, QString number,
 			 QString name, bool hiddenName, Element * = nullptr);
 		~Terminal() override;
 
@@ -66,17 +68,20 @@ class Terminal : public QGraphicsObject
 				const QStyleOptionGraphicsItem *,
 				QWidget *) override;
 		void   drawHelpLine (bool draw = true);
-		QLineF HelpLine     () const;
+		QLineF HelpLine	 () const;
 		QRectF boundingRect () const override;
 
 		// methods to manage conductors attached to the terminal
 		Terminal* alignedWithTerminal () const;
-		bool      addConductor        (Conductor *conductor);
-		void      removeConductor     (Conductor *conductor);
-		int       conductorsCount     () const;
-		Diagram  *diagram             () const;
-		Element  *parentElement       () const;
-		QUuid uuid                    () const;
+		bool	  addConductor		(Conductor *conductor);
+		void	  removeConductor	 (Conductor *conductor);
+		int	   conductorsCount	 () const;
+		Diagram  *diagram			 () const;
+		Element  *parentElement	   () const;
+		QUuid uuid					() const;
+		int ID() const;
+		QPointF dockPos();
+		QPointF originPos();
 
 		QList<Conductor *> conductors() const;
 		Qet::Orientation orientation() const;
@@ -88,11 +93,15 @@ class Terminal : public QGraphicsObject
 		void updateConductor();
 		bool isLinkedTo(Terminal *);
 		bool canBeLinkedTo(Terminal *);
+		void setID(int id);
 
 		// methods related to XML import/export
-		static bool valideXml(QDomElement  &);
-		bool fromXml (QDomElement &);
-		QDomElement toXml (QDomDocument &) const;
+		static bool valideXml(const QDomElement  &);
+		bool fromXml (const QDomElement &) override;
+		QDomElement toXml (QDomDocument &) const override;
+
+        void toSettings(QSettings &,const QString & = QString()) const override {/*TODO: implement*/}
+        void fromSettings(QSettings &,const QString & = QString()) override{/*TODO: implement*/}
 
 	protected:
 		// methods related to events management
@@ -110,6 +119,7 @@ class Terminal : public QGraphicsObject
 		static const qreal terminalSize;
 		static const qreal Z;
 		// Various static colors used for hover effects
+		// The assignement is in the cpp file
 		/// default color
 		static QColor neutralColor;
 		/// color for legal actions
@@ -120,12 +130,12 @@ class Terminal : public QGraphicsObject
 		static QColor forbiddenColor;
 
 	private:
-		bool               m_draw_help_line{false};
+		bool			   m_draw_help_line{false};
 		QGraphicsLineItem *m_help_line{nullptr};
 		QGraphicsLineItem *m_help_line_a{nullptr};
 
 
-		TerminalData* d;
+        TerminalData* d{nullptr};
 
 		/// Parent electrical element
 		Element *parent_element_{nullptr};
@@ -142,16 +152,17 @@ class Terminal : public QGraphicsObject
 		*/
 		QRectF *br_{nullptr};
 		/// Last terminal seen through an attached conductor
-		Terminal *previous_terminal_;
+		Terminal *previous_terminal_{nullptr};
 		/// Whether the mouse pointer is hovering the terminal
-		bool hovered_;
+		bool hovered_{false};
 		/// Color used for the hover effect
-		QColor hovered_color_;
+        QColor hovered_color_{Terminal::neutralColor};
 		/// Number of Terminal
 		QString number_terminal_;
-		/// Name of Terminal
-		QString name_terminal_;
-		bool name_terminal_hidden;
+		bool name_terminal_hidden{true};
+
+		/// legacy id used by the conductor to find the terminal. From 0.8x on the uuid is used instead.
+		int m_id{-1};
 
 	private:
 		void init(QString number, QString name, bool hiddenName);
@@ -177,14 +188,6 @@ inline QString Terminal::number() const
 	return(number_terminal_);
 }
 
-/**
-	@brief Terminal::name
-	@return the name of terminal.
-*/
-inline QString Terminal::name() const
-{
-	return(name_terminal_);
-}
 
 QList<Terminal *> relatedPotentialTerminal (const Terminal *terminal,
 						const bool all_diagram = true);

sources/qetproject.cpp

@@ -47,7 +47,7 @@ static int BACKUP_INTERVAL = 120000; //interval in ms of backup = 2min
 	@param parent
 */
 QETProject::QETProject(QObject *parent) :
-	QObject              (parent),
+	QObject			  (parent),
 	m_titleblocks_collection(this),
 	m_data_base(this, this)
 {
@@ -64,7 +64,7 @@ QETProject::QETProject(QObject *parent) :
 	@param parent : parent QObject
 */
 QETProject::QETProject(const QString &path, QObject *parent) :
-	QObject              (parent),
+	QObject			  (parent),
 	m_titleblocks_collection(this),
 	m_data_base(this, this)
 {
@@ -83,7 +83,7 @@ QETProject::QETProject(const QString &path, QObject *parent) :
 	@param parent : parent QObject
 */
 QETProject::QETProject(KAutoSaveFile *backup, QObject *parent) :
-	QObject              (parent),
+	QObject			  (parent),
 	m_titleblocks_collection(this),
 	m_data_base(this, this)
 {
@@ -1459,11 +1459,11 @@ void QETProject::readDefaultPropertiesXml(QDomDocument &xml_project)
 	QDomElement newdiagrams_elmt = newdiagrams_nodes.at(0).toElement();
 
 		// By default, use value find in the global conf of QElectroTech
-	default_border_properties_	   = BorderProperties::    defaultProperties();
+	default_border_properties_	   = BorderProperties::	defaultProperties();
 	default_titleblock_properties_ = TitleBlockProperties::defaultProperties();
 	default_conductor_properties_  = ConductorProperties:: defaultProperties();
-	m_default_report_properties	   = ReportProperties::    defaultProperties();
-	m_default_xref_properties	   = XRefProperties::      defaultProperties();
+	m_default_report_properties	   = ReportProperties::	defaultProperties();
+	m_default_xref_properties	   = XRefProperties::	  defaultProperties();
 
 		//Read values indicate in project
 	QDomElement border_elmt, titleblock_elmt, conductors_elmt, report_elmt, xref_elmt, conds_autonums, folio_autonums, element_autonums;
@@ -1502,7 +1502,11 @@ void QETProject::readDefaultPropertiesXml(QDomDocument &xml_project)
 		{
 			XRefProperties xrp;
 			xrp.fromXml(elmt);
-			m_default_xref_properties.insert(elmt.attribute("type"), xrp);
+			QString type;
+			if (PropertiesInterface::propertyString(elmt, "type", &type) == PropertiesInterface::PropertyFlags::Success)
+				m_default_xref_properties.insert(type, xrp);
+			else
+				qDebug() << "xref Property was not added to m_default_xref_properties.";
 		}
 	}
 	if (!conds_autonums.isNull())
@@ -1560,19 +1564,13 @@ void QETProject::writeDefaultPropertiesXml(QDomElement &xml_element)
 	QDomDocument xml_document = xml_element.ownerDocument();
 
 	// export size of border
-	QDomElement border_elmt = xml_document.createElement("border");
-	default_border_properties_.toXml(border_elmt);
-	xml_element.appendChild(border_elmt);
+	xml_element.appendChild(default_border_properties_.toXml(xml_document));
 
 	// export content of titleblock
-	QDomElement titleblock_elmt = xml_document.createElement("inset");
-	default_titleblock_properties_.toXml(titleblock_elmt);
-	xml_element.appendChild(titleblock_elmt);
+	xml_element.appendChild(default_titleblock_properties_.toXml(xml_document));
 
 	// exporte default conductor
-	QDomElement conductor_elmt = xml_document.createElement("conductors");
-	default_conductor_properties_.toXml(conductor_elmt);
-	xml_element.appendChild(conductor_elmt);
+	xml_element.appendChild(default_conductor_properties_.toXml(xml_document));
 
 	// export default report properties
 	QDomElement report_elmt = xml_document.createElement("report");
@@ -1744,8 +1742,8 @@ void QETProject::setProjectProperties(const DiagramContext &context) {
 bool QETProject::projectWasModified()
 {
 
-	if ( projectOptionsWereModified()    ||
-		 !m_undo_stack -> isClean()       ||
+	if ( projectOptionsWereModified()	||
+		 !m_undo_stack -> isClean()	   ||
 		 m_titleblocks_collection.templates().count() )
 		return(true);
 

sources/titleblock/helpercell.h

@@ -37,11 +37,11 @@ class HelperCell : public QGraphicsObject, public QGraphicsLayoutItem {
 	
 	// attributes
 	public:
-	QColor background_color;     ///< Background color when rendering this cell
-	QColor foreground_color;     ///< Text color when rendering this cell
-	QString label;               ///< Label displayed in this cell
-	Qt::Orientation orientation; ///< Orientation of this cell
-	int index;                   ///< Index of this cell
+	QColor background_color{Qt::white};	 ///< Background color when rendering this cell
+	QColor foreground_color{Qt::black};	 ///< Text color when rendering this cell
+	QString label;			   ///< Label displayed in this cell
+	Qt::Orientation orientation{Qt::Horizontal}; ///< Orientation of this cell
+	int index{-1};				   ///< Index of this cell
 	
 	// methods
 	public:

sources/titleblock/splittedhelpercell.h

@@ -36,10 +36,11 @@ class SplittedHelperCell : public HelperCell {
 	void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget * = nullptr) override;
 	
 	// attributes
+	// colors are set in the constructor
 	QColor split_background_color; ///< Background color on the split side
 	QColor split_foreground_color; ///< Text color on the split side
-	QString split_label;           ///< Text displayed on the split side
-	int split_size;                ///< Length of the split side
+	QString split_label;		   ///< Text displayed on the split side
+	int split_size;				///< Length of the split side
 };
 
 #endif

sources/titleblockproperties.cpp

@@ -23,11 +23,7 @@
 	Constructeur. Initialise un objet TitleBlockProperties avec tous les champs
 	vides (date vide + useDate a UseDateValue).
 */
-TitleBlockProperties::TitleBlockProperties() :
-	date(),
-	useDate(UseDateValue),
-	display_at(Qt::BottomEdge),
-	collection (QET::QetCollection::Common)
+TitleBlockProperties::TitleBlockProperties()
 {
 }
 
@@ -77,15 +73,15 @@ bool TitleBlockProperties::operator!=(const TitleBlockProperties &ip) {
 void TitleBlockProperties::toXml(QDomElement &e) const
 {
 	e.setAttribute("author",   author);
-	e.setAttribute("title",    title);
+	e.setAttribute("title",	title);
 	e.setAttribute("filename", filename);
 	e.setAttribute("plant", plant);
 	e.setAttribute("locmach", locmach);
 	e.setAttribute("indexrev",indexrev);
 	e.setAttribute("version", version);
-	e.setAttribute("folio",    folio);
+	e.setAttribute("folio",	folio);
 	e.setAttribute("auto_page_num", auto_page_num);
-	e.setAttribute("date",     exportDate());
+	e.setAttribute("date",	 exportDate());
 	e.setAttribute("displayAt", (display_at == Qt::BottomEdge? "bottom" : "right"));
 	if (!template_name.isEmpty())
 	{
@@ -100,29 +96,42 @@ void TitleBlockProperties::toXml(QDomElement &e) const
 	}
 }
 
-/**
+QDomElement TitleBlockProperties::toXml(QDomDocument &d) const {
+	Q_UNUSED(d)
+	qDebug() << "NOT IMPLEMENTED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!";
+	return QDomElement();
+}
+
+/** RETURNS True
 	Importe le cartouche a partir des attributs XML de l'element e
 	@param e Element XML dont les attributs seront lus
 */
-void TitleBlockProperties::fromXml(const QDomElement &e) {
+bool TitleBlockProperties::fromXml(const QDomElement &e) {
+
+
 	// reads the historical fields
-	if (e.hasAttribute("author"))      author   = e.attribute("author");
-	if (e.hasAttribute("title"))       title    = e.attribute("title");
-	if (e.hasAttribute("filename"))    filename = e.attribute("filename");
-	if (e.hasAttribute("plant"))       plant   = e.attribute("plant");
-	if (e.hasAttribute("locmach"))     locmach  = e.attribute("locmach");
-	if (e.hasAttribute("indexrev"))    indexrev  = e.attribute("indexrev");
-	if (e.hasAttribute("version"))     version   = e.attribute("version");
-	if (e.hasAttribute("folio"))       folio    = e.attribute("folio");
-	if (e.hasAttribute("auto_page_num")) auto_page_num = e.attribute("auto_page_num");
-	if (e.hasAttribute("date"))        setDateFromString(e.attribute("date"));
-	if (e.hasAttribute("displayAt")) display_at = (e.attribute("displayAt") == "bottom" ? Qt::BottomEdge : Qt::RightEdge);
+	propertyString(e, "author", &author);
+	propertyString(e, "title", &title);
+	propertyString(e, "filename", &filename);
+	propertyString(e, "plant", &plant);
+	propertyString(e, "locmach", &locmach);
+	propertyString(e, "indexrev", &indexrev);
+	propertyString(e, "version", &version);
+	propertyString(e, "folio", &folio);
+	propertyString(e, "auto_page_num", &auto_page_num);
+	QString date;
+	propertyString(e, "date", &date);
+	setDateFromString(date);
+
+	QString display_at_temp;
+	if (propertyString(e, "displayAt", &display_at_temp) == PropertyFlags::Success)
+		display_at = (display_at_temp == "bottom" ? Qt::BottomEdge : Qt::RightEdge); // otherwise it gets default in header file
 	
 		// reads the template used to render the title block
-	if (e.hasAttribute("titleblocktemplate"))
-	{
-		template_name = e.attribute("titleblocktemplate");
-		collection = QET::qetCollectionFromString(e.attribute("titleblocktemplateCollection"));
+	if (propertyString(e, "titleblocktemplate", &template_name) == PropertyFlags::Success) {
+		QString tbc;
+		if (propertyString(e, "titleblocktemplateCollection", &tbc) == PropertyFlags::Success)
+			collection = QET::qetCollectionFromString(tbc);
 	}
 	
 	// reads the additional fields used to fill the title block
@@ -130,6 +139,7 @@ void TitleBlockProperties::fromXml(const QDomElement &e) {
 	foreach (QDomElement e, QET::findInDomElement(e, "properties")) {
 		context.fromXml(e);
 	}
+	return true;
 }
 
 /**
@@ -140,16 +150,16 @@ void TitleBlockProperties::fromXml(const QDomElement &e) {
 */
 void TitleBlockProperties::toSettings(QSettings &settings, const QString &prefix) const
 {
-	settings.setValue(prefix + "title",    title);
+	settings.setValue(prefix + "title",	title);
 	settings.setValue(prefix + "author",   author);
 	settings.setValue(prefix + "filename", filename);
 	settings.setValue(prefix + "plant", plant);
 	settings.setValue(prefix + "locmach", locmach);
 	settings.setValue(prefix + "indexrev", indexrev);
 	settings.setValue(prefix + "version", version);
-	settings.setValue(prefix + "folio",    folio);
-	settings.setValue(prefix + "auto_page_num",    auto_page_num);
-	settings.setValue(prefix + "date",     exportDate());
+	settings.setValue(prefix + "folio",	folio);
+	settings.setValue(prefix + "auto_page_num",	auto_page_num);
+	settings.setValue(prefix + "date",	 exportDate());
 	settings.setValue(prefix + "displayAt", (display_at == Qt::BottomEdge? "bottom" : "right"));
 	settings.setValue(prefix + "titleblocktemplate", template_name.isEmpty()? QString() : template_name);
 	settings.setValue(prefix + "titleblocktemplateCollection", QET::qetCollectionToString(collection));
@@ -162,14 +172,14 @@ void TitleBlockProperties::toSettings(QSettings &settings, const QString &prefix
 	@param prefix prefixe a ajouter devant les noms des parametres
 */
 void TitleBlockProperties::fromSettings(QSettings &settings, const QString &prefix) {
-	title    = settings.value(prefix + "title").toString();
+	title	= settings.value(prefix + "title").toString();
 	author   = settings.value(prefix + "author").toString();
 	filename = settings.value(prefix + "filename").toString();
-	plant    = settings.value(prefix + "plant").toString();
+	plant	= settings.value(prefix + "plant").toString();
 	locmach  = settings.value(prefix + "locmach").toString();
 	indexrev = settings.value(prefix + "indexrev").toString();
 	version  = settings.value(prefix + "version").toString();
-	folio    = settings.value(prefix + "folio", "%id/%total").toString();
+	folio	= settings.value(prefix + "folio", "%id/%total").toString();
 	auto_page_num = settings.value(prefix + "auto_page_num").toString();
 	setDateFromString(settings.value(prefix + "date").toString());
 	display_at = (settings.value(prefix + "displayAt", QVariant("bottom")).toString() == "bottom" ? Qt::BottomEdge : Qt::RightEdge);

sources/titleblockproperties.h

@@ -21,12 +21,14 @@
 #include "diagramcontext.h"
 #include "qet.h"
 
+#include "propertiesinterface.h"
+
 /**
 	This class provides a container for the properties of a particular title
 	block, i.e. title, author, date, filename, folio, template, custom
 	properties, ...
 */
-class TitleBlockProperties {
+class TitleBlockProperties: public PropertiesInterface {
 	public:
 	TitleBlockProperties();
 	virtual ~TitleBlockProperties();
@@ -39,10 +41,11 @@ class TitleBlockProperties {
 	bool operator==(const TitleBlockProperties &);
 	bool operator!=(const TitleBlockProperties &);
 	
-	void toXml(QDomElement &) const;
-	void fromXml(const QDomElement &);
-	void toSettings(QSettings &, const QString & = QString()) const;
-	void fromSettings(QSettings &, const QString & = QString());
+	QDomElement toXml(QDomDocument &e) const override;
+	void toXml(QDomElement &e) const;
+	bool fromXml(const QDomElement &) override;
+	void toSettings(QSettings &, const QString & = QString()) const override;
+    void fromSettings(QSettings &, const QString & = QString()) override;
 
 	void setAutoPageNum(QString autonum) {auto_page_num = autonum;}
 
@@ -51,21 +54,21 @@ class TitleBlockProperties {
 	QDate finalDate() const ;
 	
 	// attributes
-	QString title;            ///< Folio title (displayed by the default template)
-	QString author;           ///< Author of the diagram/folio (displayed by the default template)
-	QDate date;               ///< Date (displayed by the default template)
-	QString filename;         ///< Filename (displayed by the default template)
-	QString plant;          ///< Plant (displayed by the default template)
-	QString locmach;              ///< Location(displayed by the default template)
-	QString indexrev;         ///< Revision Index (displayed by the default template)
-	QString version;          ///< Version (displayed by the default template)
-	QString folio;            ///< Folio information (displayed by the default template)
+	QString title;			///< Folio title (displayed by the default template)
+	QString author;		   ///< Author of the diagram/folio (displayed by the default template)
+	QDate date;			   ///< Date (displayed by the default template)
+	QString filename;		 ///< Filename (displayed by the default template)
+	QString plant;		  ///< Plant (displayed by the default template)
+	QString locmach;			  ///< Location(displayed by the default template)
+	QString indexrev;		 ///< Revision Index (displayed by the default template)
+	QString version;		  ///< Version (displayed by the default template)
+	QString folio;			///< Folio information (displayed by the default template)
 	QString auto_page_num;
-	DateManagement useDate;   ///< Wheter to use the date attribute
-	QString template_name;    ///< Name of the template used to render the title block - an empty string means "the default template provided by the application"
+	DateManagement useDate{UseDateValue};   ///< Wheter to use the date attribute
+	QString template_name;	///< Name of the template used to render the title block - an empty string means "the default template provided by the application"
 	DiagramContext context;   ///< Container for the additional, user-defined fields
-	Qt::Edge display_at;       ///< Edge to display the titleblock
-	QET::QetCollection collection; ///<Specify the location of the title block
+	Qt::Edge display_at{Qt::Edge::BottomEdge};	   ///< Edge to display the titleblock
+	QET::QetCollection collection{QET::QetCollection::Common}; ///<Specify the location of the title block
 
 	private:
 	QString exportDate() const;