/*
	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 MASTERPROPERTIESWIDGET_H
#define MASTERPROPERTIESWIDGET_H

#include <QWidget>
#include <QHash>

#include "abstractelementpropertieseditorwidget.h"

class Element;
class QUndoCommand;
class QETProject;
class Diagram;
class QTreeWidgetItem;
class QMenu;
class QAction;

namespace Ui {
	class MasterPropertiesWidget;
}

/**
	@brief The MasterPropertiesWidget class
	This class is a widget for make link between a master element
	with several slave element.
	This class embenddedthe undo/redo command when apply new connection.
*/
class MasterPropertiesWidget : public AbstractElementPropertiesEditorWidget
{
	Q_OBJECT

	public:
		explicit MasterPropertiesWidget(Element *elmt,
						QWidget *parent = nullptr);
		~MasterPropertiesWidget() override;

		void setElement (Element *element) override;
		void apply() override;
		void reset() override;
		QUndoCommand *associatedUndo () const override;
		/**
			@brief title
			@return QString title
		*/
		QString title() const override {
			return tr("Référence croisée (maître)");}
		bool setLiveEdit(bool live_edit) override;

	public slots:
		void updateUi() override;

	private slots:
		void headerCustomContextMenuRequested(const QPoint &pos);
		void on_link_button_clicked();
		void on_unlink_button_clicked();
		void showElementFromTWI(QTreeWidgetItem *qtwi, int column);
		void showedElementWasDeleted ();
		void diagramWasdeletedFromProject();
		void customContextMenu(const QPoint &pos, int i=0);

	private:
	Ui::MasterPropertiesWidget *ui;
	QHash <QTreeWidgetItem *, Element *> m_qtwi_hash;
	QTreeWidgetItem *m_qtwi_at_context_menu = nullptr;
	QPointer <Element> m_showed_element;
	QETProject *m_project;
	QMenu *m_context_menu;
	QAction *m_link_action,
			*m_unlink_action,
			*m_show_qtwi,
			*m_show_element,
			*m_save_header_state;
};

#endif // MASTERPROPERTIESWIDGET_H