node.h

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#ifndef NODE_H
#define NODE_H
 
#include <QGraphicsScene>
#include <QGraphicsSceneMouseEvent>
#include <QPainter>
#include <QStyleOption>
 
#include "Network.h"
#include "graphwidget.h"
#include "symbol.h"
#include "wire.h"
 
class Node : public Symbol {
public:
  Node(GraphWidget* graphWidget);
 
  Node(GraphWidget* graphWidget, struct NodeInfo);
 
  ~Node() {}
 
  void addWire(Wire* Wire) {
    WireList << Wire;
    Wire->adjust();
  }
 
  QList<Wire*> Wires() const { return WireList; }
 
  enum { Type = UserType + 1 };
  int type() const { return Type; }
 
 
  QRectF boundingRect() const { return QRectF(-4, -4, 8, 8); }
 
  QPainterPath shape() const;
 
  void paint(QPainter* painter, const QStyleOptionGraphicsItem* option,
             QWidget* widget);
 
  QPoint getPortLocation(int /*port_number*/) { return QPoint(0, 0); }
 
  QString getID() { return ID; }
 
  void show() { visible = true; }
 
  void hide() { visible = false; }
 
protected:
  QVariant itemChange(GraphicsItemChange change, const QVariant& value);
 
  void mousePressEvent(QGraphicsSceneMouseEvent *event) {
    update();
    QGraphicsItem::mousePressEvent(event);
  }
 
  void mouseReleaseEvent(QGraphicsSceneMouseEvent* event){
    update();
    QGraphicsItem::mouseReleaseEvent(event);
  }
 
 
private:
  QList<Wire*> WireList;     
  QPointF newPos;            
  GraphWidget* graph;        
  QString ID;                
  bool visible;              
};
 
#endif