crossrefitem.h

Go to the documentation of this file.

/*
    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 CROSSREFITEM_H
#define CROSSREFITEM_H

#include <QGraphicsObject>
#include"properties/xrefproperties.h"
#include <QPicture>

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
        };

        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       ();

    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     ();
        void setUpCrossBoundingRect (QPainter &painter);
        void drawAsCross            (QPainter &painter);
        void drawAsContacts     (QPainter &painter);
        QRectF drawContact          (QPainter &painter, int flags, Element *elmt);
        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;
        QPicture       m_drawing, m_hdr_no_ctc, m_hdr_nc_ctc;
        QPainterPath   m_shape_path;
        XRefProperties m_properties;
        int            m_drawed_contacts;
        QMap <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;
};

#endif // CROSSREFITEM_H