#ifndef VVIEW_H_
#define VVIEW_H_

#include <QGraphicsView>

class QAction;
class QPoint;
class QToolBar;
class VComboBox;
class VSmallView;

class VView : public QGraphicsView
{
    Q_OBJECT

public:
    VView();
//    virtual ~VView();

public slots:

    void zoomIn();
    void zoomOut();
    void zoom100();
    void onOffSmallView();
    void setScale(
    		const QString& text);
    void setScene(
    		QGraphicsScene * scene);
    void setVisibleRect(
    		const QRectF & rect);
    void viewChanged();

signals:

    void viewChanged(const QRectF& rect);

protected:

    void mousePressEvent(QMouseEvent *event);
    void mouseReleaseEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
    void wheelEvent(QWheelEvent *event);

private:

    void createActions();
    void createWidgets();
    void createToolBar();

    void applyScale();

    double fCurScaleX;
    double fCurScaleY;
    double fMaxScale;
    double fMinScale;
    double fScaleFactor;
    QPoint fMousePos;
    int fScrollValueX;
    int fScrollValueY;
    bool fMouseMovable;

    QAction *fZoomInAct;
    QAction *fZoomOutAct;
    QAction *fZoom100Act;
    QAction *fOnOffSmallViewAct;

    QToolBar *fToolBar;
    VComboBox *fZoomComboBox;
    VSmallView *fSmallView;
};

#endif