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Diffstat (limited to 'src/charts/barchart/vertical/percent/qpercentbarseries.cpp')
-rw-r--r-- | src/charts/barchart/vertical/percent/qpercentbarseries.cpp | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/charts/barchart/vertical/percent/qpercentbarseries.cpp b/src/charts/barchart/vertical/percent/qpercentbarseries.cpp new file mode 100644 index 00000000..7899899b --- /dev/null +++ b/src/charts/barchart/vertical/percent/qpercentbarseries.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 "qpercentbarseries.h" +#include "qpercentbarseries_p.h" +#include "percentbarchartitem_p.h" +#include "chartdataset_p.h" +#include "charttheme_p.h" +#include "qvalueaxis.h" + +QT_CHARTS_BEGIN_NAMESPACE + +/*! + \class QPercentBarSeries + \inmodule Qt Charts + \brief Series for creating percent bar chart. + \mainclass + + QPercentBarSeries represents a series of data shown as bars. The purpose of this class is to + draw bars as stacks, where each bar is shown as percentage of all bars in that category. + QPercentBarSeries groups the data from sets to categories, which are defined by a QStringList. + Bars with zero value are not drawn. + + See the \l {PercentbarChart Example} {percent bar chart example} to learn how to create a + percent bar chart. + \image examples_percentbarchart.png + + \sa QBarSet, QStackedBarSeries, QAbstractBarSeries +*/ +/*! + \qmltype PercentBarSeries + \instantiates QPercentBarSeries + \inqmlmodule QtCharts + + \inherits AbstractBarSeries + + \brief Series for creating persent bar chart. + + The following QML shows how to create a simple percent bar chart: + \snippet qmlchart/qml/qmlchart/View8.qml 1 + \beginfloatleft + \image examples_qmlchart8.png + \endfloat + \clearfloat +*/ + +/*! + Constructs empty QPercentBarSeries. + QPercentBarSeries is QObject which is a child of a \a parent. +*/ +QPercentBarSeries::QPercentBarSeries(QObject *parent) + : QAbstractBarSeries(*new QPercentBarSeriesPrivate(this), parent) +{ +} + +/*! + Destructor. Removes series from chart. +*/ +QPercentBarSeries::~QPercentBarSeries() +{ + Q_D(QPercentBarSeries); + if (d->m_chart) + d->m_chart->removeSeries(this); +} + +/*! + Returns QAbstractSeries::SeriesTypePercentBar. +*/ +QAbstractSeries::SeriesType QPercentBarSeries::type() const +{ + return QAbstractSeries::SeriesTypePercentBar; +} + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +QPercentBarSeriesPrivate::QPercentBarSeriesPrivate(QPercentBarSeries *q) : QAbstractBarSeriesPrivate(q) +{ + +} + +void QPercentBarSeriesPrivate::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); + maxX = qMax(maxX, x - (qreal)0.5); + minY = 0; + maxY = 100; + + domain()->setRange(minX, maxX, minY, maxY); +} + + +void QPercentBarSeriesPrivate::initializeGraphics(QGraphicsItem* parent) +{ + Q_Q(QPercentBarSeries); + PercentBarChartItem *bar = new PercentBarChartItem(q,parent); + m_item.reset(bar); + QAbstractSeriesPrivate::initializeGraphics(parent); +} + +#include "moc_qpercentbarseries.cpp" + +QT_CHARTS_END_NAMESPACE + |