TrainCamp_yanchaoyang_Two/untitled/plcitems.h

#ifndef PLCITEMS_H
#define PLCITEMS_H

#include <QGraphicsObject>
#include <QPen>
#include <QBrush>
#include <QFont>
#include <QPainter>
#include <QPointF>
#include <QDebug>

// PLC图形项基类
class PLCItem : public QGraphicsObject
{
    Q_OBJECT
public:
    enum ItemType { NormallyOpen, NormallyClosed, GreaterThan, GreaterEqual,
                   LessThan, LessEqual, Equal, Coil };

    PLCItem(ItemType type, QGraphicsItem *parent = nullptr);

    QRectF boundingRect() const override;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
    QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;

    ItemType itemType() const { return m_type; }
    QString name() const { return m_name; }
    void setName(const QString &name) { m_name = name; }

    void setState(bool active);
    bool isActive() const { return m_active; }

    QPointF leftTerminal() const;
    QPointF rightTerminal() const;

protected:
    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;

signals:
    void stateChanged(bool active);

private:
    ItemType m_type;
    QString m_name;
    bool m_active = false;
    QRectF m_boundingRect;
    QGraphicsRectItem* m_tableFrame = nullptr;
    QVector<QGraphicsLineItem*> m_horizontalLines;
    QVector<QGraphicsLineItem*> m_verticalLines;
    int m_rows = 15;  // 表格行数
    int m_columns = 20; // 表格列数
    int m_cellSize = 50; // 单元格大小(像素)

};

// 常开触点
class NormallyOpenItem : public PLCItem
{
public:
    NormallyOpenItem(QGraphicsItem *parent = nullptr)
        : PLCItem(NormallyOpen, parent) {}
};

// 常闭触点
class NormallyClosedItem : public PLCItem
{
public:
    NormallyClosedItem(QGraphicsItem *parent = nullptr)
        : PLCItem(NormallyClosed, parent) {}
};

// 大于指令
class GreaterThanItem : public PLCItem
{
public:
    GreaterThanItem(QGraphicsItem *parent = nullptr)
        : PLCItem(GreaterThan, parent) {}
};

// 大于等于指令
class GreaterEqualItem : public PLCItem
{
public:
    GreaterEqualItem(QGraphicsItem *parent = nullptr)
        : PLCItem(GreaterEqual, parent) {}
};

// 小于指令
class LessThanItem : public PLCItem
{
public:
    LessThanItem(QGraphicsItem *parent = nullptr)
        : PLCItem(LessThan, parent) {}
};

// 小于等于指令
class LessEqualItem : public PLCItem
{
public:
    LessEqualItem(QGraphicsItem *parent = nullptr)
        : PLCItem(LessEqual, parent) {}
};

// 等于指令
class EqualItem : public PLCItem
{
public:
    EqualItem(QGraphicsItem *parent = nullptr)
        : PLCItem(Equal, parent) {}
};

// 线圈
class CoilItem : public PLCItem
{
public:
    CoilItem(QGraphicsItem *parent = nullptr)
        : PLCItem(Coil, parent) {}
};

#endif // PLCITEMS_H