Revampe nomenclature

Nomenclature is now totally revamped, user can define information to
export and the order of theme.

sources/ui/bomexportdialog.h

@@ -0,0 +1,79 @@
+/*
+    Copyright 2006-2019 The QElectroTech Team
+    This file is part of QElectroTech.
+
+    QElectroTech is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    QElectroTech is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef BOMExportDialog_H
+#define BOMExportDialog_H
+
+#include <QDialog>
+#include <QSqlDatabase>
+#include <QSqlQuery>
+
+class QListWidgetItem;
+class QETProject;
+class Element;
+
+namespace Ui {
+class BOMExportDialog;
+}
+
+class BOMExportDialog : public QDialog
+{
+        Q_OBJECT
+
+    public:
+        explicit BOMExportDialog(QETProject *project, QWidget *parent = nullptr);
+        ~BOMExportDialog() override;
+
+        virtual int exec() override;
+
+    private slots:
+        void on_m_add_pb_clicked();
+        void on_m_remove_pb_clicked();
+        void on_m_up_pb_clicked();
+        void on_m_down_pb_clicked();
+        void on_m_save_name_le_textChanged(const QString &arg1);
+        void on_m_all_rb_clicked();
+        void on_m_terminal_rb_clicked();
+        void on_m_button_rb_clicked();
+        void on_m_format_as_nomenclature_rb_toggled(bool checked);
+        void on_m_edit_sql_query_cb_clicked();
+        void on_m_save_current_conf_pb_clicked();
+        void on_m_load_pb_clicked();
+
+private:
+        void setUpItems();
+        QString getBom();
+        QString headers() const;
+        bool createDataBase();
+        void populateDataBase();
+        void prepareQuery(QStringList keys);
+        QHash<QString, QString> elementInfoToString(Element *elmt) const;
+        QString queryStr() const;
+        void updateQueryLine();
+        void fillSavedQuery();
+
+    private:
+        Ui::BOMExportDialog *ui;
+        QETProject *m_project = nullptr;
+        QSqlDatabase m_data_base;
+        QSqlQuery m_insert_query,
+                  m_update_qty_query,
+                  m_count_ref_query;
+        QString   m_custom_query;
+};
+
+#endif // BOMExportDialog_H