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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
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef DECLARATIVECHART_H
#define DECLARATIVECHART_H
#include <QtCore/QtGlobal>
#include <QDeclarativeItem>
#include <qchart.h>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
// TODO: Derive from QChart for easier definition of properties?
class DeclarativeChart : public QDeclarativeItem
// TODO: for QTQUICK2: extend QQuickPainterItem instead
//class DeclarativeChart : public QQuickPaintedItem, public Chart
{
Q_OBJECT
Q_PROPERTY(Theme theme READ theme WRITE setTheme)
Q_PROPERTY(Animation animationOptions READ animationOptions WRITE setAnimationOptions)
Q_PROPERTY(QString title READ title WRITE setTitle)
Q_PROPERTY(QFont titleFont READ titleFont WRITE setTitleFont)
Q_PROPERTY(QColor titleColor READ titleColor WRITE setTitleColor NOTIFY titleColorChanged)
Q_PROPERTY(QLegend *legend READ legend)
Q_PROPERTY(int count READ count)
Q_PROPERTY(QColor backgroundColor READ backgroundColor WRITE setBackgroundColor NOTIFY backgroundColorChanged)
Q_PROPERTY(bool dropShadowEnabled READ dropShadowEnabled WRITE setDropShadowEnabled NOTIFY dropShadowEnabledChanged)
Q_PROPERTY(qreal topMargin READ topMargin NOTIFY topMarginChanged)
Q_PROPERTY(qreal bottomMargin READ bottomMargin NOTIFY bottomMarginChanged)
Q_PROPERTY(qreal leftMargin READ leftMargin NOTIFY leftMarginChanged)
Q_PROPERTY(qreal rightMargin READ rightMargin NOTIFY rightMarginChanged)
Q_ENUMS(Animation)
Q_ENUMS(Theme)
Q_ENUMS(SeriesType)
public:
// duplicating enums from QChart to make the QML api namings 1-to-1 with the C++ api
enum Theme {
ChartThemeLight = 0,
ChartThemeBlueCerulean,
ChartThemeDark,
ChartThemeBrownSand,
ChartThemeBlueNcs,
ChartThemeHighContrast,
ChartThemeBlueIcy
};
enum Animation {
NoAnimation = 0x0,
GridAxisAnimations = 0x1,
SeriesAnimations =0x2,
AllAnimations = 0x3
};
enum SeriesType {
SeriesTypeLine,
SeriesTypeArea,
SeriesTypeBar,
SeriesTypeStackedBar,
SeriesTypePercentBar,
SeriesTypePie,
SeriesTypeScatter,
SeriesTypeSpline
};
public:
DeclarativeChart(QDeclarativeItem *parent = 0);
~DeclarativeChart();
public: // From QDeclarativeItem/QGraphicsItem
void childEvent(QChildEvent *event);
void componentComplete();
void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);
void paint (QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
public:
void setTheme(DeclarativeChart::Theme theme);
DeclarativeChart::Theme theme();
void setAnimationOptions(DeclarativeChart::Animation animations);
DeclarativeChart::Animation animationOptions();
void setTitle(QString title);
QString title();
QLegend *legend();
QFont titleFont() const;
void setTitleFont(const QFont& font);
void setTitleColor(QColor color);
QColor titleColor();
void setBackgroundColor(QColor color);
QColor backgroundColor();
int count();
void setDropShadowEnabled(bool enabled);
bool dropShadowEnabled();
qreal topMargin();
qreal bottomMargin();
qreal leftMargin();
qreal rightMargin();
public:
Q_INVOKABLE QAbstractSeries *series(int index);
Q_INVOKABLE QAbstractSeries *series(QString seriesName);
Q_INVOKABLE QAbstractSeries *createSeries(DeclarativeChart::SeriesType type, QString name = "");
Q_INVOKABLE void setAxisX(QAbstractAxis* axis, QAbstractSeries *series = 0);
Q_INVOKABLE void setAxisY(QAbstractAxis* axis, QAbstractSeries *series = 0);
Q_INVOKABLE void createDefaultAxes();
Q_INVOKABLE QAbstractAxis *axisX(QAbstractSeries *series = 0);
Q_INVOKABLE QAbstractAxis *axisY(QAbstractSeries *series = 0);
Q_INVOKABLE void zoom(qreal factor);
Q_INVOKABLE void scrollLeft(qreal pixels);
Q_INVOKABLE void scrollRight(qreal pixels);
Q_INVOKABLE void scrollUp(qreal pixels);
Q_INVOKABLE void scrollDown(qreal pixels);
Q_SIGNALS:
void axisLabelsChanged();
void titleColorChanged(QColor color);
void backgroundColorChanged();
void dropShadowEnabledChanged(bool enabled);
void topMarginChanged(qreal margin);
void bottomMarginChanged(qreal margin);
void leftMarginChanged(qreal margin);
void rightMarginChanged(qreal margin);
public Q_SLOTS:
void handleMarginsChanged(QRectF newMargins);
private:
// Extending QChart with DeclarativeChart is not possible because QObject does not support
// multi inheritance, so we now have a QChart as a member instead
QChart *m_chart;
QRectF m_chartMargins;
};
QTCOMMERCIALCHART_END_NAMESPACE
#endif // DECLARATIVECHART_H
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