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Diffstat (limited to 'src/charts/barchart/horizontal/bar/qhorizontalbarseries.cpp')
-rw-r--r-- | src/charts/barchart/horizontal/bar/qhorizontalbarseries.cpp | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/charts/barchart/horizontal/bar/qhorizontalbarseries.cpp b/src/charts/barchart/horizontal/bar/qhorizontalbarseries.cpp new file mode 100644 index 00000000..d381aadf --- /dev/null +++ b/src/charts/barchart/horizontal/bar/qhorizontalbarseries.cpp @@ -0,0 +1,126 @@ +/**************************************************************************** +** +** Copyright (C) 2014 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 Enterprise Charts Add-on. +** +** $QT_BEGIN_LICENSE$ +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise 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 +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qhorizontalbarseries.h" +#include "qhorizontalbarseries_p.h" +#include "horizontalbarchartitem_p.h" +#include "qbarcategoryaxis.h" + +#include "chartdataset_p.h" +#include "charttheme_p.h" + + +QT_CHARTS_BEGIN_NAMESPACE + +/*! + \class QHorizontalBarSeries + \inmodule Qt Charts + \brief Series for creating horizontal bar chart. + \mainclass + + QHorizontalBarSeries represents a series of data shown as bars. The purpose of this class is to draw bars + as groups, where bars in same category are grouped next to each other. QHorizontalBarSeries groups the data + from sets to categories, which are defined by a QStringList. + + See the \l {HorizontalBarChart Example} {horizontal bar chart example} to learn how to create a horizontal bar chart. + \image examples_horizontalbarchart.png + + \sa QBarSet, QBarSeries, QPercentBarSeries, QAbstractBarSeries, QStackedBarSeries, QHorizontalStackedBarSeries, QHorizontalPercentBarSeries +*/ +/*! + \qmltype HorizontalBarSeries + \instantiates QHorizontalBarSeries + \inqmlmodule QtCharts + + \inherits AbstractBarSeries + + \brief Series type for creating horizontal bar chart. + + The following QML shows how to create a simple horizontal bar chart: + \snippet qmlchart/qml/qmlchart/View9.qml 1 + \beginfloatleft + \image examples_qmlchart9.png + \endfloat + \clearfloat +*/ + +/*! + Constructs empty QHorizontalBarSeries. + QHorizontalBarSeries is QObject which is a child of a \a parent. +*/ +QHorizontalBarSeries::QHorizontalBarSeries(QObject *parent) + : QAbstractBarSeries(*new QHorizontalBarSeriesPrivate(this), parent) +{ +} + +/*! + Destructor. + Removes series from chart. +*/ +QHorizontalBarSeries::~QHorizontalBarSeries() +{ + Q_D(QHorizontalBarSeries); + if (d->m_chart) + d->m_chart->removeSeries(this); +} + +/*! + Returns QChartSeries::SeriesTypeHorizontalBar. +*/ +QAbstractSeries::SeriesType QHorizontalBarSeries::type() const +{ + return QAbstractSeries::SeriesTypeHorizontalBar; +} + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +QHorizontalBarSeriesPrivate::QHorizontalBarSeriesPrivate(QHorizontalBarSeries *q) + : QAbstractBarSeriesPrivate(q) +{ + +} + +void QHorizontalBarSeriesPrivate::initializeDomain() +{ + qreal minX(domain()->minX()); + qreal minY(domain()->minY()); + qreal maxX(domain()->maxX()); + qreal maxY(domain()->maxY()); + + qreal y = categoryCount(); + minX = qMin(minX, min()); + minY = qMin(minY, - (qreal)0.5); + maxX = qMax(maxX, max()); + maxY = qMax(maxY, y - (qreal)0.5); + + domain()->setRange(minX, maxX, minY, maxY); +} + +void QHorizontalBarSeriesPrivate::initializeGraphics(QGraphicsItem* parent) +{ + Q_Q(QHorizontalBarSeries); + HorizontalBarChartItem *bar = new HorizontalBarChartItem(q,parent); + m_item.reset(bar); + QAbstractSeriesPrivate::initializeGraphics(parent); +} + +#include "moc_qhorizontalbarseries.cpp" + +QT_CHARTS_END_NAMESPACE |