diff --git a/elementscategoryeditor.cpp b/elementscategoryeditor.cpp
index 03f5c35ad..ad4b4a5ae 100644
--- a/elementscategoryeditor.cpp
+++ b/elementscategoryeditor.cpp
@@ -58,11 +58,15 @@ void ElementsCategoryEditor::buildDialog() {
 	headers << tr("Langue") << tr("Nom");
 	category_names -> setHeaderLabels(headers);
 	
+	button_add_line = new QPushButton(tr("Ajouter une ligne"));
+	connect(button_add_line, SIGNAL(released()), this, SLOT(addLine()));
+	
 	buttons = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
 	connect(buttons, SIGNAL(rejected()), this, SLOT(reject()));
 	
 	editor_layout -> addWidget(new QLabel(tr("Vous pouvez sp\351cifier un nom par langue pour la cat\351gorie.")));
 	editor_layout -> addWidget(category_names);
+	editor_layout -> addWidget(button_add_line);
 	editor_layout -> addWidget(buttons);
 }
 
@@ -72,22 +76,15 @@ void ElementsCategoryEditor::buildDialog() {
 */
 void ElementsCategoryEditor::acceptCreation() {
 	// il doit y avoir au moins un nom
-	int names_count = category_names -> topLevelItemCount();
-	if (!names_count || (category_names -> topLevelItem(0) -> text(1)) == QString()) {
-		QMessageBox::critical(
-			this,
-			tr("La cat\351gorie doit avoir au moins un nom."),
-			tr("Vous devez entrer au moins un nom pour la cat\351gorie.")
-		);
-	}
+	if (!checkOneName()) return;
 	
 	// chargement des noms
 	category -> clearNames();
+	int names_count = category_names -> topLevelItemCount();
 	for (int i = 0 ; i < names_count ; ++ i) {
-		category -> addName(
-			category_names -> topLevelItem(i) -> text(0),
-			category_names -> topLevelItem(i) -> text(1)
-		);
+		QString lang  = category_names -> topLevelItem(i) -> text(0);
+		QString value = category_names -> topLevelItem(i) -> text(1);
+		if (lang != "" && value != "") category -> addName(lang, value);
 	}
 	
 	// cree un nom de dossier a partir du 1er nom de la categorie
@@ -103,5 +100,73 @@ void ElementsCategoryEditor::acceptCreation() {
 	categorie
 */
 void ElementsCategoryEditor::acceptUpdate() {
-	qDebug() << "acceptUpdate";
+	// il doit y avoir au moins un nom
+	if (!checkOneName()) return;
+	
+	// chargement des noms
+	category -> clearNames();
+	int names_count = category_names -> topLevelItemCount();
+	for (int i = 0 ; i < names_count ; ++ i) {
+		QString lang  = category_names -> topLevelItem(i) -> text(0);
+		QString value = category_names -> topLevelItem(i) -> text(1);
+		if (lang != "" && value != "") category -> addName(lang, value);
+	}
+	
+	category -> write();
+	
+	QDialog::accept();
+}
+
+/**
+	Nettoie la liste des noms en enlevant les lignes vides
+*/
+void ElementsCategoryEditor::clean() {
+	int names_count = category_names -> topLevelItemCount() - 1;
+	for (int i = names_count ; i >= 0 ; -- i) {
+		if (
+			category_names -> topLevelItem(i) -> text(0) == QString() &&\
+			category_names -> topLevelItem(i) -> text(1) == QString()
+		) {
+			category_names -> takeTopLevelItem(i);
+		}
+	}
+}
+
+/**
+	Ajoute une ligne a l'editeur
+*/
+void ElementsCategoryEditor::addLine() {
+	clean();
+	QTreeWidgetItem *qtwi = new QTreeWidgetItem();
+	qtwi -> setFlags(Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable);
+	category_names -> addTopLevelItem(qtwi);
+}
+
+/**
+	Verifie qu'il y a au moins un nom
+*/
+bool ElementsCategoryEditor::checkOneName() {
+	updateHash();
+	if (!hash_names.size()) {
+		QMessageBox::critical(
+			this,
+			tr("La cat\351gorie doit avoir au moins un nom."),
+			tr("Vous devez entrer au moins un nom pour la cat\351gorie.")
+		);
+		return(false);
+	}
+	return(true);
+}
+
+/**
+	Lit les noms valides dans hash_names
+*/
+void ElementsCategoryEditor::updateHash() {
+	hash_names.clear();
+	int names_count = category_names -> topLevelItemCount();
+	for (int i = 0 ; i < names_count ; ++ i) {
+		QString lang  = category_names -> topLevelItem(i) -> text(0);
+		QString value = category_names -> topLevelItem(i) -> text(1);
+		if (lang != "" && value != "") hash_names.insert(lang, value);
+	}
 }
diff --git a/elementscategoryeditor.h b/elementscategoryeditor.h
index 482797621..30bd23333 100644
--- a/elementscategoryeditor.h
+++ b/elementscategoryeditor.h
@@ -1,6 +1,10 @@
 #ifndef ELEMENTS_CATEGORY_EDITOR_H
 #define ELEMENTS_CATEGORY_EDITOR_H
 #include <QtGui>
+/**
+	Cette classe permet d'editer une categorie existante ou de creer une
+	categorie.
+*/
 class ElementsCategory;
 class ElementsCategoryEditor : public QDialog {
 	Q_OBJECT
@@ -15,13 +19,20 @@ class ElementsCategoryEditor : public QDialog {
 	QTreeWidget *category_names;
 	ElementsCategory *category;
 	QDialogButtonBox *buttons;
+	QPushButton *button_add_line;
+	QHash<QString, QString> hash_names;
+	
 	bool mode_edit;
 	// methodes
 	private:
 	void buildDialog();
+	void clean();
+	bool checkOneName();
+	void updateHash();
 	
 	public slots:
 	void acceptCreation();
 	void acceptUpdate();
+	void addLine();
 };
 #endif
diff --git a/newelementwizard.cpp b/newelementwizard.cpp
index d261ae3f5..d0fb0dd3c 100644
--- a/newelementwizard.cpp
+++ b/newelementwizard.cpp
@@ -92,10 +92,7 @@ void NewElementWizard::valid() {
 		case Dimensions:
 			
 		case Category:
-			
 			current_state = Dimensions;
 			button_next -> setText(tr("Suivant"));
 	}
 }
-
-
diff --git a/qelectrotech.pro b/qelectrotech.pro
index 7729fa252..090498bf5 100644
--- a/qelectrotech.pro
+++ b/qelectrotech.pro
@@ -26,7 +26,6 @@ HEADERS += aboutqet.h \
            newelementwizard.h \
            qetapp.h \
            terminal.h \
-           ui_export_fichier.h \
            elementscategoryeditor.h \
            elementscategory.h
 SOURCES += aboutqet.cpp \