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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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#ifndef CHARTLAYOUT_H
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#define CHARTLAYOUT_H
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#include <QGraphicsLayout>
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#include <QMargins>
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#include "qchartglobal.h"
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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class ChartPresenter;
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class ChartTitle;
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class QLegend;
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class ChartAxis;
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class ChartBackground;
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class ChartElement;
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class ChartLayout : public QGraphicsLayout
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{
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public:
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ChartLayout(ChartPresenter *presenter);
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virtual ~ChartLayout();
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void setMargins(const QMargins &margins);
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QMargins margins() const;
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void setGeometry(const QRectF &rect);
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QRectF chartsGeometry() const { return m_chartsRect;}
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protected:
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QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
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int count() const { return 0; }
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QGraphicsLayoutItem *itemAt(int) const { return 0; };
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void removeAt(int) {};
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private:
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QRectF calculateBackgroundGeometry(const QRectF &geometry, ChartBackground *background) const;
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QRectF calculateContentGeometry(const QRectF &geometry) const;
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QRectF calculateTitleGeometry(const QRectF &geometry, ChartTitle *title) const;
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QRectF calculateChartGeometry(const QRectF &geometry, const QList<ChartAxis *>& axes) const;
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QRectF calculateLegendGeometry(const QRectF &geometry, QLegend *legend) const;
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QRectF calculateAxisGeometry(const QRectF &geometry, const QList<ChartAxis *>& axes) const;
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QRectF calculateChartsGeometry(const QRectF &geometry, const QList<ChartElement *>& charts) const;
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QRectF calculateBackgroundMinimum(const QRectF &minimum) const;
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QRectF calculateContentMinimum(const QRectF &minimum) const;
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QRectF calculateTitleMinimum(const QRectF &minimum, ChartTitle *title) const;
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QRectF calculateAxisMinimum(const QRectF &minimum, const QList<ChartAxis *>& axes) const;
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QRectF calculateLegendMinimum(const QRectF &minimum, QLegend *legend) const;
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private:
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ChartPresenter *m_presenter;
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QMargins m_margins;
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QRectF m_minChartRect;
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QRectF m_minAxisRect;
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QRectF m_chartsRect;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif
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