partplctable.h

Go to the documentation of this file.

/*
        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 PARTPLCTABLE_H
#define PARTPLCTABLE_H
 
#include "customelementgraphicpart.h"
#include "../../QetGraphicsItemModeler/qetgraphicshandleritem.h"
 
#include <QVector>

class PartPlcTable : public CustomElementGraphicPart
{
        Q_OBJECT
 
        Q_PROPERTY(QRectF rect READ rect WRITE setRect)
 
        public:
                PartPlcTable(QETElementEditor *editor, QGraphicsItem *parent = nullptr);
                ~PartPlcTable() override;
 
                enum { Type = UserType + 1120 };
                int     type  () const override { return Type; }
                void    paint (QPainter *, const QStyleOptionGraphicsItem *, QWidget * = nullptr) override;
                QString name  () const override { return QObject::tr("table PLC", "element part name"); }
 
                QString           xmlName () const override { return QString("plc_table"); }
                const QDomElement toXml   (QDomDocument &) const override;
                void              fromXml (const QDomElement &) override;
 
                QRectF rect() const;
                void   setRect(const QRectF &rect);
 
                QRectF  sceneGeometricRect() const override;
                QPainterPath shape () const override;
                QPainterPath shadowShape() const override;
                QRectF boundingRect() const override;
                bool   isUseless() const override;
 
                void startUserTransformation(const QRectF &) override;
                void handleUserTransformation(const QRectF &, const QRectF &) override;
 
                void addHandler() override;
                void removeHandler() override;
 
        protected:
                void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
                QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
                bool sceneEventFilter(QGraphicsItem *watched, QEvent *event) override;
 
        private:
                void switchResizeMode();
                void adjustHandlerPos();
                void handlerMousePressEvent   (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
                void handlerMouseMoveEvent    (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
                void handlerMouseReleaseEvent (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
                QSizeF calculateTableSize() const;
 
        private:
                QRectF m_rect,
                           m_old_rect;
                QList<QPointF> saved_points_;
                int m_resize_mode = 1,
                        m_vector_index = -1;
                QVector<QetGraphicsHandlerItem *> m_handler_vector;
};
 
#endif // PARTPLCTABLE_H