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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
// W A R N I N G
// -------------
//
// This file is not part of the Qt Chart API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef ABSTRACTBARCHARTITEM_H
#define ABSTRACTBARCHARTITEM_H
#include <private/chartitem_p.h>
#include <QtCharts/QAbstractBarSeries>
#include <QtCharts/private/qchartglobal_p.h>
#include <QtGui/QPen>
#include <QtGui/QBrush>
#include <QtCore/QMap>
#include <QtCore/QList>
QT_BEGIN_NAMESPACE
class Bar;
class QAxisCategories;
class QChart;
class BarAnimation;
class QBarSetPrivate;
class QAbstractAxis;
class Q_CHARTS_EXPORT AbstractBarChartItem : public ChartItem
{
Q_OBJECT
public:
AbstractBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item = 0);
virtual ~AbstractBarChartItem();
public:
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
QRectF boundingRect() const override;
virtual QList<QRectF> calculateLayout() = 0;
void initializeFullLayout();
virtual void initializeLayout(int set, int category, int layoutIndex, bool resetAnimation) = 0;
virtual void applyLayout(const QList<QRectF> &layout);
virtual void setAnimation(BarAnimation *animation);
ChartAnimation *animation() const override;
void setLayout(const QList<QRectF> &layout);
QRectF geometry() const { return m_rect;}
void resetAnimation();
public Q_SLOTS:
void handleDomainUpdated() override;
void handleLayoutChanged();
void handleLabelsVisibleChanged(bool visible);
void handleDataStructureChanged(); // structure of of series has changed, recreate graphic items
void handleVisibleChanged();
void handleOpacityChanged();
void handleUpdatedBars();
void handleLabelsPositionChanged();
virtual void positionLabels();
void handleBarValueChange(int index, QBarSet *barset);
void handleBarValueAdd(int index, int count, QBarSet *barset);
void handleBarValueRemove(int index, int count, QBarSet *barset);
void handleSeriesAdded(QAbstractSeries *series);
void handleSeriesRemoved(QAbstractSeries *series);
protected:
void positionLabelsVertical();
void createLabelItems();
void handleSetStructureChange();
virtual QString generateLabelText(int set, int category, qreal value);
void updateBarItems();
virtual void markLabelsDirty(QBarSet *barset, int index, int count);
void calculateSeriesPositionAdjustmentAndWidth();
QRectF m_rect;
QList<QRectF> m_layout;
BarAnimation *m_animation;
QAbstractBarSeries *m_series; // Not owned.
QMap<QBarSet *, QList<Bar *> > m_barMap;
QMap<QBarSet *, QHash<int, Bar *> > m_indexForBarMap;
int m_firstCategory;
int m_lastCategory;
int m_categoryCount;
QSizeF m_oldSize;
bool m_labelItemsMissing;
Qt::Orientation m_orientation;
bool m_resetAnimation;
qreal m_seriesPosAdjustment;
qreal m_seriesWidth;
};
QT_END_NAMESPACE
#endif // ABSTRACTBARCHARTITEM_H
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