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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
// W A R N I N G
// -------------
//
// This file is not part of the QtCommercial 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 CHARTPRESENTER_H
#define CHARTPRESENTER_H
#include "qchartglobal.h"
#include "qchart.h" //becouse of QChart::ChartThemeId //TODO
#include <QRectF>
#include <QMargins>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
class ChartElement;
class QAbstractSeries;
class ChartDataSet;
class Domain;
class ChartAxis;
class ChartTheme;
class ChartAnimator;
class ChartBackground;
class ChartAnimation;
class ChartLayout;
class ChartPresenter: public QObject
{
Q_OBJECT
public:
enum ZValues {
BackgroundZValue = -1,
ShadesZValue ,
GridZValue,
AxisZValue,
SeriesZValue,
LineChartZValue = SeriesZValue,
SplineChartZValue = SeriesZValue,
BarSeriesZValue = SeriesZValue,
ScatterSeriesZValue = SeriesZValue,
PieSeriesZValue = SeriesZValue,
LegendZValue,
TopMostZValue
};
enum State {
ShowState,
ScrollUpState,
ScrollDownState,
ScrollLeftState,
ScrollRightState,
ZoomInState,
ZoomOutState
};
ChartPresenter(QChart* chart,ChartDataSet *dataset);
virtual ~ChartPresenter();
ChartTheme *chartTheme() const { return m_chartTheme; }
ChartDataSet *dataSet() const { return m_dataset; }
QGraphicsItem* rootItem() const { return m_chart; }
QGraphicsRectItem* backgroundItem();
QGraphicsItem* titleItem();
QList<ChartAxis*> axisItems() const;
QLegend* legend();
void setBackgroundBrush(const QBrush& brush);
QBrush backgroundBrush() const;
void setBackgroundPen(const QPen& pen);
QPen backgroundPen() const;
void setTitle(const QString& title);
QString title() const;
void setTitleFont(const QFont& font);
QFont titleFont() const;
void setTitleBrush(const QBrush &brush);
QBrush titleBrush() const;
void setBackgroundVisible(bool visible);
bool isBackgroundVisible() const;
void setBackgroundDropShadowEnabled(bool enabled);
bool isBackgroundDropShadowEnabled() const;
void setVisible(bool visible);
void setTheme(QChart::ChartTheme theme,bool force = true);
QChart::ChartTheme theme();
void setAnimationOptions(QChart::AnimationOptions options);
QChart::AnimationOptions animationOptions() const;
void zoomIn(qreal factor);
void zoomIn(const QRectF& rect);
void zoomOut(qreal factor);
void scroll(qreal dx,qreal dy);
void setGeometry(const QRectF& rect);
QRectF geometry() { return m_rect; }
void startAnimation(ChartAnimation* animation);
State state() const { return m_state; }
QPointF statePoint() const { return m_statePoint; }
void resetAllElements();
void setMinimumMargins(const QMargins& margins);
QMargins minimumMargins() const;
QGraphicsLayout* layout();
private:
void createBackgroundItem();
void createTitleItem();
void selectVisibleAxis();
public Q_SLOTS:
void handleSeriesAdded(QAbstractSeries* series,Domain* domain);
void handleSeriesRemoved(QAbstractSeries* series);
void handleAxisAdded(QAbstractAxis* axis,Domain* domain);
void handleAxisRemoved(QAbstractAxis* axis);
void handleAxisVisibleChanged(bool visible);
private Q_SLOTS:
void handleAnimationFinished();
Q_SIGNALS:
void geometryChanged(const QRectF& rect);
void animationsFinished();
void marginsChanged(QRectF margins);
private:
QChart* m_chart;
ChartDataSet* m_dataset;
ChartTheme *m_chartTheme;
QMap<QAbstractSeries*, ChartElement*> m_chartItems;
QMap<QAbstractAxis*, ChartAxis*> m_axisItems;
QRectF m_rect;
QChart::AnimationOptions m_options;
State m_state;
QPointF m_statePoint;
QList<ChartAnimation*> m_animations;
ChartLayout* m_layout;
ChartBackground* m_backgroundItem;
QGraphicsSimpleTextItem* m_titleItem;
};
QTCOMMERCIALCHART_END_NAMESPACE
#endif /* CHARTPRESENTER_H */
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