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Diffstat (limited to 'src/charts/barchart/vertical/bar/qbarseries.cpp')
-rw-r--r-- | src/charts/barchart/vertical/bar/qbarseries.cpp | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/charts/barchart/vertical/bar/qbarseries.cpp b/src/charts/barchart/vertical/bar/qbarseries.cpp new file mode 100644 index 00000000..3ab2a1ee --- /dev/null +++ b/src/charts/barchart/vertical/bar/qbarseries.cpp @@ -0,0 +1,125 @@ +/**************************************************************************** +** +** 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 "qbarseries.h" +#include "qbarseries_p.h" +#include "barchartitem_p.h" +#include "chartdataset_p.h" +#include "charttheme_p.h" +#include "qvalueaxis.h" +#include "qbarcategoryaxis.h" + +QT_CHARTS_BEGIN_NAMESPACE + +/*! + \class QBarSeries + \inmodule Qt Charts + \brief Series for creating bar chart. + \mainclass + + QBarSeries 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. QBarSeries groups the data + from sets to categories, which are defined by a QStringList. + + See the \l {BarChart Example} {bar chart example} to learn how to create a grouped bar chart. + \image examples_barchart.png + + \sa QBarSet, QPercentBarSeries, QAbstractBarSeries, QStackedBarSeries +*/ +/*! + \qmltype BarSeries + \instantiates QBarSeries + \inqmlmodule QtCharts + + \inherits AbstractBarSeries + + \brief Series for creating bar chart. + + The following QML shows how to create a simple grouped bar chart: + \snippet qmlchart/qml/qmlchart/View6.qml 1 + \beginfloatleft + \image examples_qmlchart6.png + \endfloat + \clearfloat +*/ + +/*! + Constructs empty QBarSeries. + QBarSeries is QObject which is a child of a \a parent. +*/ +QBarSeries::QBarSeries(QObject *parent) + : QAbstractBarSeries(*new QBarSeriesPrivate(this), parent) +{ + +} + +/*! + Returns QAbstractSeries::SeriesTypeBar. +*/ +QAbstractSeries::SeriesType QBarSeries::type() const +{ + return QAbstractSeries::SeriesTypeBar; +} + +/*! + Destructor. Removes series from chart. +*/ +QBarSeries::~QBarSeries() +{ + Q_D(QBarSeries); + if (d->m_chart) + d->m_chart->removeSeries(this); +} +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +QBarSeriesPrivate::QBarSeriesPrivate(QBarSeries *q) : QAbstractBarSeriesPrivate(q) +{ + +} + +void QBarSeriesPrivate::initializeDomain() +{ + qreal minX(domain()->minX()); + qreal minY(domain()->minY()); + qreal maxX(domain()->maxX()); + qreal maxY(domain()->maxY()); + + qreal x = categoryCount(); + minX = qMin(minX, - (qreal)0.5); + minY = qMin(minY, min()); + maxX = qMax(maxX, x - (qreal)0.5); + maxY = qMax(maxY, max()); + + domain()->setRange(minX, maxX, minY, maxY); +} + + +void QBarSeriesPrivate::initializeGraphics(QGraphicsItem* parent) +{ + Q_Q(QBarSeries); + BarChartItem *bar = new BarChartItem(q,parent); + m_item.reset(bar); + QAbstractSeriesPrivate::initializeGraphics(parent); +} + +#include "moc_qbarseries.cpp" + +QT_CHARTS_END_NAMESPACE + |