|
|
#ifndef BARPRESENTERBASE_H
|
|
|
#define BARPRESENTERBASE_H
|
|
|
|
|
|
#include "chartitem_p.h"
|
|
|
#include "qbarseries.h"
|
|
|
#include <QPen>
|
|
|
#include <QBrush>
|
|
|
#include <QGraphicsItem>
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
class Bar;
|
|
|
class BarValue;
|
|
|
class QChartAxisCategories;
|
|
|
class QChart;
|
|
|
|
|
|
// Common implemantation of different presenters. Not to be instantiated.
|
|
|
// TODO: combine this with BarPresenter and derive other presenters from it?
|
|
|
class BarPresenterBase : public QObject, public ChartItem
|
|
|
{
|
|
|
Q_OBJECT
|
|
|
public:
|
|
|
BarPresenterBase(QBarSeries *series, QChart *parent = 0);
|
|
|
virtual ~BarPresenterBase();
|
|
|
|
|
|
public:
|
|
|
// From QGraphicsItem
|
|
|
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
|
|
|
QRectF boundingRect() const;
|
|
|
|
|
|
// TODO: Consider the domain for layoutChanged. May be use case, may not be. If it is, then the derived classes need to implement it
|
|
|
virtual void dataChanged(); // data of series has changed -> need to recalculate bar sizes
|
|
|
private slots:
|
|
|
virtual void layoutChanged() = 0; // layout has changed -> need to recalculate bar sizes
|
|
|
|
|
|
protected:
|
|
|
void initAxisLabels();
|
|
|
|
|
|
public slots:
|
|
|
void handleModelChanged(int index);
|
|
|
void handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY);
|
|
|
void handleGeometryChanged(const QRectF& size);
|
|
|
|
|
|
// Internal slots
|
|
|
void showToolTip(QPoint pos, QString tip); // shows tooltip (if enabled)
|
|
|
|
|
|
protected:
|
|
|
|
|
|
// TODO: consider these.
|
|
|
int mHeight; // Layout spesific
|
|
|
int mWidth;
|
|
|
qreal mBarWidth;
|
|
|
|
|
|
bool mLayoutSet; // True, if component has been laid out.
|
|
|
|
|
|
// Not owned.
|
|
|
QBarSeries* mSeries;
|
|
|
QList<Bar*> mBars;
|
|
|
QList<BarValue*> mFloatingValues;
|
|
|
QChart* mChart;
|
|
|
};
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
|
|
#endif // BARPRESENTERBASE_H
|
|
|
|
