522 lines
18 KiB
C++
522 lines
18 KiB
C++
#ifndef GRAPHICSBASEITEM_H
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#define GRAPHICSBASEITEM_H
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#include "itemControlHandle.h"
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#include "global.h"
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#include <QObject>
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#include <QGraphicsItem>
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#include <QGraphicsSceneMouseEvent>
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#include <QPen>
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#include <QGraphicsSvgItem>
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#include <QUuid>
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#include <QJsonObject>
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//#include "graphicsItem/itemPort.h"
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enum ShapeType
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{
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T_undefined,
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T_item,
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T_group
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};
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enum ItemState
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{
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S_normal = 0,
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S_prepareConnect,
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};
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//基类采用模板形式，QGraphicsItem是默认值,也可以是别的类型，比如QGraphicsItemGroup，这样不同的基类继承可以共用一些高层的行为定义
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template <typename BaseType = QGraphicsItem>
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class AbstractShapeType : public BaseType
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{
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public:
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explicit AbstractShapeType(QGraphicsItem *parent = 0)
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: BaseType(parent)
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{
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m_type = T_undefined;
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m_pen = QPen(Qt::NoPen);
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m_brush = QBrush(QColor(rand() % 32 * 8, rand() % 32 * 8, rand() % 32 * 8));
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m_dWidth = m_dHeight = 0;
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m_pOperationCopy = nullptr;
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m_dSyncRotationByParent = 0.0;
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}
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virtual ~AbstractShapeType()
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{
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}
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public:
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virtual ShapeType getType() {return m_type;}
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virtual QUuid itemId() const {return m_itemId;}
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virtual void setItemId(QUuid n){m_itemId = n;}
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QPen pen() { return m_pen; }
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void setPen(const QPen &pen) { m_pen = pen; }
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QColor penColor() { return m_pen.color(); }
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void setPenColor(const QColor &color) { m_pen.setColor(color); }
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QBrush brush() { return m_brush; }
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void setBrush(const QBrush &brush) { m_brush = brush; }
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QColor brushColor() { return m_brush.color(); }
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void setBrushColor(const QColor &color) { m_brush.setColor(color); }
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double width() { return m_dWidth; }
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void setWidth(double width)
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{
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m_dWidth = width;
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updateCoordinate();
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}
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double height() { return m_dHeight; }
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void setHeight(double height)
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{
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m_dHeight = height;
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updateCoordinate();
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}
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//操作副本相关
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virtual void createOperationCopy() {}
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virtual void removeOperationCopy() {}
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virtual void moveOperationCopy(const QPointF&) {}
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virtual void rotateOperationCopy(const double&) {}
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virtual void resize(int,double, double, const QPointF&) {}
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virtual void move(const QPointF&) {}
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virtual void editShape(int, const QPointF&) {}
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virtual void updateCoordinate() {}
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virtual QRectF boundingRect() const { return m_boundingRect; }
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virtual QPainterPath shape()
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{
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QPainterPath path;
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return path;
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}
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virtual void syncRotationDataFromParent(const double&) {}
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virtual double getSyncRotationDataFromParent() {return m_dSyncRotationByParent;}
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virtual void setItemType(GraphicsItemType type){m_Itemtype = type;}
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virtual GraphicsItemType getItemType() const {return m_Itemtype;}
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protected:
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QUuid m_itemId;
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ShapeType m_type;
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QPen m_pen;
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QBrush m_brush;
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double m_dWidth;
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double m_dHeight;
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QRectF m_boundingRect;
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GraphicsItemType m_Itemtype; //显示类型
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double m_dSyncRotationByParent; //父项(被加入到某一组)的旋转数据，因为加入某一组后，对该组进行旋转，自身的旋转数据不会同步更新
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QGraphicsPathItem* m_pOperationCopy; //图元移动和旋转时的操作副本
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QPointF m_movingIniPos; //移动副本开始移动初始
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};
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class ItemPort;
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class ModelProperty;
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class PowerEntity;
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class AbstractProperty;
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typedef AbstractShapeType<QGraphicsItem> AbstractShape;
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class GraphicsNonStandardItem:public QObject, public AbstractShapeType<QGraphicsItem> //非标准图元,如间隔
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{
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Q_OBJECT
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public:
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GraphicsNonStandardItem(QGraphicsItem *parent = 0)
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:AbstractShapeType<QGraphicsItem>(parent)
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{
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setFlag(QGraphicsItem::ItemIsSelectable, true);
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}
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virtual ~GraphicsNonStandardItem(){};
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virtual void setProperty(AbstractProperty* p){_property = p;}
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virtual AbstractProperty* getProperty() {return _property;}
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bool containsPoint(const QPointF& pos)
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{
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QPointF localPos = mapFromScene(pos);
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QPainterPath path = shape(); // 或更精确的计算
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return path.contains(localPos);
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}
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protected:
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AbstractProperty* _property;
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};
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class GraphicsBaseItem :public QObject, public AbstractShapeType<QGraphicsItem>
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{
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Q_OBJECT
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public:
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GraphicsBaseItem(QGraphicsItem *parent);
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virtual ~GraphicsBaseItem();
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public:
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virtual int addPort(PortState typ,QPointF vec,QString id = "",HandleType hType = T_lineInOut,PortPos pos = P_top); //新建,返回-1失败
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virtual void setEntity(PowerEntity*); //设置当前图元的拓扑数据
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virtual PowerEntity* entity();
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virtual void setProperty(ModelProperty* p);
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virtual ModelProperty* getProperty() {return _property;}
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virtual void updateByProperty(){}; //使用data对象更新自己
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virtual void setItemChanged(bool b){_itemChanged = b;}
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virtual bool itemChanged() const {return _itemChanged;}
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virtual void renderSelectBackground(QPainter*);
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virtual ItemPort* getPortById(QString) const;
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virtual ItemPort* getPortPtr(int) const;
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virtual ItemControlHandle* getHandlePtr(int) const;
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virtual QMap<QString,ItemPort*> getPorts() {return m_mapPort;}
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//virtual GraphicsBaseItem*
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virtual void initialPortsByDatabase(); //从数据库初始化port信息
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virtual void setLastPoint(QPointF p) {m_lastPoint = p;}
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virtual void setTouched(bool b){m_touched = b;}
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int collidesWithHandle(const QPointF& point)
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{
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foreach (int key, m_vecHanle.keys())
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{
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ItemControlHandle* pHandle = m_vecHanle.value(key);
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if (pHandle)
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{
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QPointF pt = pHandle->mapFromScene(point);
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if(pHandle->contains(pt))
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{
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if(pHandle->enable())
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return pHandle->getTag();
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}
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}
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}
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return HandleTag::H_none;
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}
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//handle相关
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virtual int handleCount() { return m_vecHanle.count(); }
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virtual ItemControlHandle* getHandle(int nHandle)
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{
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ItemControlHandle* handle = nullptr;
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foreach (int key, m_vecHanle.keys())
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{
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ItemControlHandle* pHandle = m_vecHanle.value(key);
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if (pHandle)
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{
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if(pHandle->getTag() == nHandle)
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{
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handle = pHandle;
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return handle;
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}
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}
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}
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return handle;
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}
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virtual void setHandleVisible(bool bVisible)
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{
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foreach (int key, m_vecHanle.keys())
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{
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ItemControlHandle* pHandle = m_vecHanle.value(key);
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if(pHandle)
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{
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if(pHandle->ifShow())
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{
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if(bVisible)
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pHandle->show();
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else
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pHandle->hide();
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}
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}
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}
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}
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virtual void setHandleVisible(int tag,bool bVisible)
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{
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foreach (int key, m_vecHanle.keys())
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{
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ItemControlHandle* pHandle = m_vecHanle.value(key);
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if(pHandle)
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{
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if(pHandle->getTag() == tag)
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{
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if(bVisible)
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pHandle->show();
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else
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pHandle->hide();
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break;
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}
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}
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}
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}
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virtual void setHandleIfShow(int tag,bool bVisible) //是否参与显示判断
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{
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foreach (int key, m_vecHanle.keys())
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{
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ItemControlHandle* pHandle = m_vecHanle.value(key);
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if(pHandle)
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{
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if(pHandle->getTag() == tag)
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{
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pHandle->setIfShow(bVisible);
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break;
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}
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}
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}
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}
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virtual void setFunctionHandleIfShow(bool bVisible) //是否参与显示判断
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{
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foreach (int key, m_vecHanle.keys())
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{
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ItemControlHandle* pHandle = m_vecHanle.value(key);
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if(pHandle)
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{
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if(pHandle->getTag() < H_connect)
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{
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pHandle->setIfShow(bVisible);
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}
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}
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}
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}
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virtual void setFunctionHandleEnaable(bool val)
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{
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foreach (int key, m_vecHanle.keys())
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{
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ItemControlHandle* pHandle = m_vecHanle.value(key);
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if(pHandle)
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{
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if(pHandle->getTag() < H_connect) //设置port以外端点是否交互
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pHandle->setEnable(val);
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}
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}
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}
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virtual void setHandleEnaable(HandleTag tag,bool val)
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{
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foreach (int key, m_vecHanle.keys())
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{
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ItemControlHandle* pHandle = m_vecHanle.value(key);
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if(pHandle)
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{
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if(pHandle->getTag() == tag) //设置端点是否交互
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{
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pHandle->setEnable(val);
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break;
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}
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}
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}
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}
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virtual QPointF getSymmetricPointPos(int nHandle) //获取对称点的坐标位置，缩放的时候需要以对称点为锚点
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{
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QPointF pt;
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//handle的位置相对boundingRect会有一个向外的错位，因此直接采用bounddingRect的相应位置会更精准
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switch (nHandle)
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{
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case H_leftTop:
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//pt = m_vecHanle.at(H_rightBottom - 1)->pos();
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pt = m_boundingRect.bottomRight();
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break;
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case H_top:
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//pt = m_vecHanle.at(H_bottom - 1)->pos();
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pt = QPointF(m_boundingRect.width() * 0.5, m_boundingRect.bottom());
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break;
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case H_rightTop:
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//pt = m_vecHanle.at(H_leftBottom - 1)->pos();
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pt = m_boundingRect.bottomLeft();
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break;
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case H_right:
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//pt = m_vecHanle.at(H_left - 1)->pos();
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pt = QPointF(m_boundingRect.left(), m_boundingRect.height() * 0.5);
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break;
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case H_rightBottom:
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//pt = m_vecHanle.at(H_leftTop - 1)->pos();
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pt = m_boundingRect.topLeft();
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break;
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case H_bottom:
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//pt = m_vecHanle.at(H_top - 1)->pos();
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pt = QPointF(m_boundingRect.width() * 0.5, m_boundingRect.top());
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break;
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case H_leftBottom:
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//pt = m_vecHanle.at(H_rightTop - 1)->pos();
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pt = m_boundingRect.topRight();
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break;
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case H_left:
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//pt = m_vecHanle.at(H_right - 1)->pos();
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pt = QPointF(m_boundingRect.right(), m_boundingRect.height() * 0.5);
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break;
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default:
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break;
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}
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return pt;
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}
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virtual void updateHandles()
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{
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int nMargin = 5;
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const QRectF& boundRect = this->boundingRect();
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foreach (int key, m_vecHanle.keys())
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{
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ItemControlHandle* pHandle = m_vecHanle.value(key);
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if(pHandle)
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{
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switch (pHandle->getTag()) {
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case H_leftTop:
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pHandle->move(boundRect.x() - nMargin, boundRect.y() - nMargin);
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break;
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case H_top:
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pHandle->move(boundRect.x() + boundRect.width() * 0.5, boundRect.y() - nMargin);
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break;
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case H_rightTop:
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pHandle->move(boundRect.x() + boundRect.width() + nMargin, boundRect.y() - nMargin);
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break;
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case H_right:
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pHandle->move(boundRect.x() + boundRect.width() + nMargin, boundRect.y() + boundRect.height() * 0.5 + nMargin);
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break;
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case H_rightBottom:
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pHandle->move(boundRect.x() + boundRect.width() + nMargin, boundRect.y() + boundRect.height() + nMargin);
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break;
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case H_bottom:
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pHandle->move(boundRect.x() + boundRect.width() * 0.5, boundRect.y() + boundRect.height()+ nMargin);
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break;
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case H_leftBottom:
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pHandle->move(boundRect.x() - nMargin, boundRect.y() + boundRect.height() + nMargin);
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break;
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case H_left:
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pHandle->move(boundRect.x() - nMargin, boundRect.y() + boundRect.height() * 0.5);
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break;
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case H_rotate_leftTop:
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{
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ItemControlHandle* handle = getHandle(H_leftTop);
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if(handle)
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{
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int nSize = handle->getSize();
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QPointF pt = handle->pos();
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pHandle->move(pt.x() - nSize - 1, pt.y() - nSize - 1);
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}
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else
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pHandle->setVisible(false);
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break;
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}
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case H_rotate_rightTop:
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{
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ItemControlHandle* handle = getHandle(H_rightTop);
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if(handle)
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{
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int nSize = handle->getSize();
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QPointF pt = handle->pos();
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pHandle->move(pt.x() + nSize + 1, pt.y() - nSize - 1);
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}
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else
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pHandle->setVisible(false);
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break;
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}
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case H_rotate_rightBottom:
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{
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ItemControlHandle* handle = getHandle(H_rightBottom);
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if(handle)
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{
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int nSize = handle->getSize();
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QPointF pt = handle->pos();
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pHandle->move(pt.x() + nSize + 1, pt.y() + nSize + 1);
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}
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else
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pHandle->setVisible(false);
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break;
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}
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case H_rotate_leftBottom:
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{
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ItemControlHandle* handle = getHandle(H_leftBottom);
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if(handle)
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{
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int nSize = handle->getSize();
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QPointF pt = handle->pos();
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pHandle->move(pt.x() - nSize - 1, pt.y() + nSize + 1);
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}
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else
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pHandle->setVisible(false);
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break;
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}
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default:
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break;
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}
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}
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}
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double dWidth = boundRect.width();
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double dHeight = boundRect.height();
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double dDiagonal = sqrt((dWidth* 0.5)*(dWidth * 0.5)+(dHeight*0.5)*(dHeight*0.5));
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double dParam = dWidth > dHeight ? (dDiagonal-dWidth*0.5):(dDiagonal-dHeight*0.5);
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m_boundingRect_selected = boundRect.adjusted(-dParam-nMargin, -dParam-nMargin, dParam+nMargin, dParam+nMargin);
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}
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public slots:
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void onUpdateData(); //data发送的更新通知
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protected:
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ModelProperty* _property;
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PowerEntity* _pEntity; //图元拓扑
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bool _itemChanged; //图元变化标志，判断是否需要保存
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QMap<QString,ItemPort*> m_mapPort; //单独存放port
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QMap<int,ItemControlHandle*> m_vecHanle;
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QPointF m_lastPoint; //鼠标上次点击位置
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bool m_touched; //被触碰状态
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QRectF m_boundingRect_selected; //选中矩形框
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};
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class GraphicsBaseModelItem : public GraphicsBaseItem //基模item
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{
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Q_OBJECT
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public:
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GraphicsBaseModelItem(QGraphicsItem *parent);
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virtual ~GraphicsBaseModelItem();
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protected:
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virtual QVariant itemChange(QGraphicsItem::GraphicsItemChange, const QVariant&);
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};
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class GraphicsProjectModelItem : public GraphicsBaseItem //工程模item
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{
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Q_OBJECT
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public:
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GraphicsProjectModelItem(QGraphicsItem *parent);
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virtual ~GraphicsProjectModelItem();
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virtual void createOperationCopy();
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virtual void removeOperationCopy();
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virtual void moveOperationCopy(const QPointF&);
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virtual void rotateOperationCopy(const double&);
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virtual void syncRotationDataFromParent(const double&);
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//多边形、线段等点选创建的对象需要的函数
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virtual void addPoint(const QPointF&) {}
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virtual bool endDrawing() { return true; }
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virtual void setLabelTag(const QString& name); //设置名字牌
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virtual QString getLabelTag() const;
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virtual void setLabelCurrent(const QString& str); //设置电流标签
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virtual QString getLabelCurrent() const;
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virtual void setLabelVoltage(const QString& str); //设置电压标签
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virtual QString getLabelVoltage() const;
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//virtual void addPort(PortState typ,int ntagId,QPointF vec); //载入 PortState为P_const时，QPointF中为(0~1，0~1)的相对位置;PortState为p_movable时，QPointF为坐标值
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virtual void setState(ItemState s){m_state = s;}
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virtual void setBeginConnectPos(QPointF p){m_beginConnectPoint = p;}
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virtual void setEndConnectPos(QPointF p){m_endConnectPoint = p;}
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virtual void setLastPort(int n){_lastPort = n;}
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virtual int getLastPort() const {return _lastPort;}
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virtual void unbindProperty(); //断开图元与数据的绑定
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virtual void updateByProperty(); //使用data对象更新自己
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virtual void updateConnectData(); //更新连接关系数据
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virtual void setModelName(QString sName){_modelName = sName;}
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virtual QString getModelName() const {return _modelName;}
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protected:
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||
virtual QVariant itemChange(QGraphicsItem::GraphicsItemChange, const QVariant&);
|
||
virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent*);
|
||
signals:
|
||
void ifExist(QUuid id,const QString&,int type,GraphicsProjectModelItem*);
|
||
public slots:
|
||
void onEditNameFinish(const QString&);
|
||
protected:
|
||
ItemState m_state;
|
||
QPointF m_beginConnectPoint;
|
||
QPointF m_endConnectPoint;
|
||
int _lastPort; //最后触碰的port
|
||
QString _modelName; //当前图元使用的模型名，用来在model中检索属性信息
|
||
};
|
||
|
||
#endif
|