DiagramDesigner/diagramCavas/include/diagramEditor/editItems.h

#ifndef EDITITEMS_H
#define EDITITEMS_H

//组态过程中的item
#include <QGraphicsWidget>
#include <QPointer>
#include "global.h"

class DiagramEditorBaseBlock;

class EditBaseItem : public QGraphicsWidget
{
    Q_OBJECT
public:
    EditBaseItem(QGraphicsItem *parent = nullptr);
    virtual ~EditBaseItem();

    virtual void setName(const QString& s){sName = s;}
    virtual QString getName(){return sName;}
    virtual void setType(EditorItemType tpe) {nType = tpe;}
    virtual EditorItemType getType(){return nType;}
    virtual void setBoundingRect(QRectF rec) {m_boundingRect = rec;}
    virtual QRectF boundingRect() const {return m_boundingRect;}
    virtual void setBlockData(QPointer<DiagramEditorBaseBlock> p){_pBlock = p;}
    virtual QPointer<DiagramEditorBaseBlock> getBlockData(){return _pBlock;}
signals:
    void itemDbClicked(QPointer<DiagramEditorBaseBlock>);
protected:
    virtual QPainterPath shape();
    virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event) override;
protected:
    QString sName;
    EditorItemType nType;
    QRectF    m_boundingRect;
    QPointer<DiagramEditorBaseBlock>     _pBlock;
};

/********************bus*********************/
class EditBusItem: public EditBaseItem
{
    Q_OBJECT
public:
    EditBusItem(QGraphicsItem *parent = nullptr);
    virtual ~EditBusItem();
    virtual void setGeometry(const QRectF &rect) override;
protected:
    virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) override;
};

/********************bay*********************/
class EditBayItem: public EditBaseItem
{
    Q_OBJECT
public:
    EditBayItem(QGraphicsItem *parent = nullptr);
    virtual ~EditBayItem();
protected:
    virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) override;
};

/********************trans*********************/
class EditTransItem: public EditBaseItem
{
    Q_OBJECT
public:
    EditTransItem(QGraphicsItem *parent = nullptr);
    virtual ~EditTransItem();
protected:
    virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) override;
};

/********************连线*********************/
class EditLineItem : public EditBaseItem
{
public:
    EditLineItem(QGraphicsItem *parent = nullptr);
    virtual ~EditLineItem();

    void setStartPoint(const QPointF& p);
    void setEndPoint(const QPointF& p);
    QPainterPath getPoints(void) const { return m_points; }

    void calculatePath(int nSeg = 2);       //划分段数，2段3段
    void resetCurLine(){_curLine = QPoint();}

protected:
    virtual QPainterPath shape() const override;
    virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) override;
private:
    QPainterPath        m_points;
    QPainterPath        m_pointsBoundingRect;       //包裹点的矩形集合
    QList<QPointF>      m_lstPoints;
    QPoint              _curLine;               //参数1用点序号表示的当前线段起始点,参数2表示线段方向

};

#endif