crossrefitem.h

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/*
        Copyright 2006-2026 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 CROSSREFITEM_H
#define CROSSREFITEM_H
 
#include "../properties/xrefproperties.h"
 
#include <QGraphicsObject>
#include <QMultiMap>
#include <QStyleOptionGraphicsItem>
 
class Element;
class DynamicElementTextItem;
class ElementTextItemGroup;

class CrossRefItem : public QGraphicsObject
{
        Q_OBJECT
 
                //Methods
        public:
                explicit CrossRefItem(Element *elmt);
                explicit CrossRefItem(
                        Element *elmt, DynamicElementTextItem *text);
                explicit CrossRefItem(
                        Element *elmt, ElementTextItemGroup *group);
                ~CrossRefItem() override;
        private:
                void init();
                void setUpConnection();
        
        public:
                enum { Type = UserType + 1009 };
                int type() const override { return Type; }

                enum CONTACTS {
                        NO              = 1,
                        NC              = 2,
                        NOC             = 3,
                        SW              = 4,
                        Power           = 8,
                        DelayOn         = 16,
                        DelayOff        = 32,
                        DelayOnOff      = 64,
                        Delay           = 112,
                        Other      = 128
                };
 
                QRectF boundingRect() const override;
                QPainterPath shape() const override;
                QString elementPositionText(
                                const Element *elmt,
                                const bool &add_prefix = false) const;
 
        public slots:
                void updateProperties();
                void updateLabel();
                void autoPos();
 
        public:
                void paintForExport(QPainter *painter)
                {
                        QStyleOptionGraphicsItem option;
                        paint(painter, &option, nullptr);
                }
 
        protected:
                bool sceneEvent(QEvent *event) override;
                void paint(QPainter *painter,
                           const QStyleOptionGraphicsItem *option,
                           QWidget *widget) override;
                void mouseDoubleClickEvent (
                                QGraphicsSceneMouseEvent * event ) override;
                void hoverEnterEvent(QGraphicsSceneHoverEvent *event) override;
                void hoverMoveEvent(QGraphicsSceneHoverEvent *event) override;
                void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override;
 
        private:
                void linkedChanged();
                void buildHeaderContact(QPainter &painter, QPointF no_pos, QPointF nc_pos);
                void setUpCrossBoundingRect(QPainter &painter);
                void drawAsCross(QPainter &painter);
                void drawAsContacts(QPainter &painter);
                void drawAsPlcTable(QPainter &painter);
                QRectF drawContact(QPainter &painter, int flags, Element *elmt, int pole_index = 0);
                void fillCrossRef(QPainter &painter);
                void AddExtraInfo(QPainter &painter, const QString&);
                QList<Element *> NOElements() const;
                QList<Element *> NCElements() const;
 
                //Attributes
        private:
                Element *m_element; //element to display the cross reference
                QRectF m_bounding_rect;
                QPainterPath m_shape_path;
                XRefProperties m_properties;
                int m_drawed_contacts;
                bool m_update_map = false;
                QMultiMap <Element *, QRectF> m_hovered_contacts_map;
                Element *m_hovered_contact = nullptr;
                DynamicElementTextItem *m_text = nullptr;
                ElementTextItemGroup *m_group = nullptr;
                QList <QMetaObject::Connection> m_slave_connection;
                QList <QMetaObject::Connection> m_update_connection;
 
        public:
                const QMultiMap<Element *, QRectF> &hoveredContactsMap() const
                { return m_hovered_contacts_map; }
};
 
#endif // CROSSREFITEM_H