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