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/**
* Manage the scene, which contains a single Graph, and respond to user input. This serves as
* the controller for the MVC (Graph, TikzView, TikzScene).
*/
#ifndef TIKZSCENE_H
#define TIKZSCENE_H
#include "graph.h"
#include "nodeitem.h"
#include "edgeitem.h"
#include <QWidget>
#include <QGraphicsScene>
#include <QPainter>
#include <QRectF>
#include <QVector>
#include <QGraphicsEllipseItem>
#include <QGraphicsSceneMouseEvent>
class TikzScene : public QGraphicsScene
{
Q_OBJECT
public:
TikzScene(Graph *graph, QObject *parent);
~TikzScene();
Graph *graph() const;
void setGraph(Graph *graph);
QVector<NodeItem *> nodeItems() const;
QVector<EdgeItem *> edgeItems() const;
public slots:
void graphReplaced();
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
private:
Graph *_graph;
QVector<NodeItem*> _nodeItems;
QVector<EdgeItem*> _edgeItems;
QMap<Node*,QPointF> _oldNodePositions;
};
#endif // TIKZSCENE_H
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