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#ifndef TESTGRAPHICSVIEW_H
#define TESTGRAPHICSVIEW_H

#include <QGraphicsView>
#include <QGraphicsProxyWidget>

#define ZOOM_IN_FACTOR 1.18921
#define ZOOM_OUT_FACTOR 0.840896
#define ZOOM_MIN 0.29
#define ZOOM_MAX 2.4

class TestViewLayout;
class TestResultWidget;
class TestView;
class QStateMachine;
class QState;
class QGraphicsOpacityEffect;
class QGraphicsDropShadowEffect;

class TestGraphicsView : public QGraphicsView
{
    Q_OBJECT

public:
    TestGraphicsView(QWidget *parent = 0);
    ~TestGraphicsView();

    TestViewLayout *itemsLayout() const
    { return layout; }

    void showTestResultsDetail(TestView *t);
    void zoomIn();
    void zoomOut();
    void resetZoom();
    void zoomFit();

    inline qreal zoom() const
    { return currentZoomLevel; }
    void setZoom(qreal z);

Q_SIGNALS:
    void detailsRequested();
    void zoomLevelChanged(qreal zoomLevel);

protected:
    void wheelEvent(QWheelEvent *event);
    void resizeEvent(QResizeEvent *event);
    void adjustDetailsWidget();
    void updateLayout();

private:
    TestViewLayout *layout;
    QGraphicsWidget *testsContainer;
    TestResultWidget *widget;

    QStateMachine *machine;
    QState *detailsVisible;
    QState *detailsNotVisible;
    qreal currentZoomLevel;
};

#endif // TESTGRAPHICSVIEW_H