/*
	Copyright 2006-2021 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 ELEMENTQUERYWIDGET_H
#define ELEMENTQUERYWIDGET_H

#include <QWidget>
#include <QButtonGroup>
#include <QHash>

class QListWidgetItem;

namespace Ui {
class ElementQueryWidget;
}

/**
	@brief The ElementQueryWidget class
	A widget use to edit a sql query for get element information
	This widget only work to get information from ProjectDataBase
*/
class ElementQueryWidget : public QWidget
{
	Q_OBJECT

	public:
		explicit ElementQueryWidget(QWidget *parent = nullptr);
		~ElementQueryWidget();

		void setQuery(const QString &query);
		QString queryStr() const;
		void setGroupBy(QString text, bool set = true);
		void setCount(QString text, bool set = true);

		static QString modelIdentifier() {return "nomenclature";}

	private slots:
		void on_m_up_pb_clicked();
		void on_m_add_pb_clicked();
		void on_m_remove_pb_clicked();
		void on_m_down_pb_clicked();
		void on_m_edit_sql_query_cb_clicked();
		void on_m_filter_le_textEdited(const QString &arg1);
		void on_m_filter_type_cb_activated(int index);
		void on_m_load_pb_clicked();
		void on_m_save_current_conf_pb_clicked();
		void on_m_save_name_le_textChanged(const QString &arg1);
		void on_m_choosen_list_currentItemChanged(QListWidgetItem *current, QListWidgetItem *previous);
		void on_m_var_list_itemDoubleClicked(QListWidgetItem *item);
		void on_m_choosen_list_itemDoubleClicked(QListWidgetItem *item);

		void updateQueryLine();
		QStringList selectedKeys() const;
		void setUpItems();
		QPair<int, QString> FilterFor(const QString &key) const;
		void fillSavedQuery();


		void reset();

		private:
		Ui::ElementQueryWidget *ui;
		QHash <QString, QString> m_export_info;
		QButtonGroup m_button_group;
		QList <QListWidgetItem *> m_items_list;
		QString m_custom_query,
				m_group_by,
				m_count;
		QHash <QString, QPair<int, QString>> m_filter;
};

#endif // ELEMENTQUERYWIDGET_H