diff options
Diffstat (limited to 'src/charts/barchart/vertical/stacked/qstackedbarseries.cpp')
-rw-r--r-- | src/charts/barchart/vertical/stacked/qstackedbarseries.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/charts/barchart/vertical/stacked/qstackedbarseries.cpp b/src/charts/barchart/vertical/stacked/qstackedbarseries.cpp new file mode 100644 index 00000000..7a1946f7 --- /dev/null +++ b/src/charts/barchart/vertical/stacked/qstackedbarseries.cpp @@ -0,0 +1,123 @@ +/**************************************************************************** +** +** 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 "qstackedbarseries.h" +#include "qstackedbarseries_p.h" +#include "stackedbarchartitem_p.h" +#include "chartdataset_p.h" +#include "charttheme_p.h" +#include "qvalueaxis.h" + +QT_CHARTS_BEGIN_NAMESPACE + +/*! + \class QStackedBarSeries + \inmodule Qt Charts + \brief Series for creating stacked bar chart. + \mainclass + + QStackedBarSeries represents a series of data shown as bars. The purpose of this class is to draw bars + as stacks, where bars in same category are stacked on top of each other. + QStackedBarSeries groups the data from sets to categories, which are defined by QStringList. + + See the \l {StackedbarChart Example} {stacked bar chart example} to learn how to create a stacked bar chart. + \image examples_stackedbarchart.png + + \sa QBarSet, QPercentBarSeries, QAbstractBarSeries +*/ + +/*! + \qmltype StackedBarSeries + \instantiates QStackedBarSeries + \inqmlmodule QtCharts + + \inherits AbstractBarSeries + + \brief Series for creating stacked bar chart. + + The following QML shows how to create a simple stacked bar chart: + \snippet qmlchart/qml/qmlchart/View7.qml 1 + \beginfloatleft + \image examples_qmlchart7.png + \endfloat + \clearfloat +*/ + +/*! + Constructs empty QStackedBarSeries. + QStackedBarSeries is QObject which is a child of a \a parent. +*/ +QStackedBarSeries::QStackedBarSeries(QObject *parent) + : QAbstractBarSeries(*new QStackedBarSeriesPrivate(this), parent) +{ +} + +/*! + Destructor. Removes series from chart. +*/ +QStackedBarSeries::~QStackedBarSeries() +{ + Q_D(QStackedBarSeries); + if (d->m_chart) + d->m_chart->removeSeries(this); +} +/*! + Returns QAbstractSeries::SeriesTypeStackedBar. +*/ +QAbstractSeries::SeriesType QStackedBarSeries::type() const +{ + return QAbstractSeries::SeriesTypeStackedBar; +} + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +QStackedBarSeriesPrivate::QStackedBarSeriesPrivate(QStackedBarSeries *q) : QAbstractBarSeriesPrivate(q) +{ + +} + +void QStackedBarSeriesPrivate::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, bottom()); + maxX = qMax(maxX, x - (qreal)0.5); + maxY = qMax(maxY, top()); + + domain()->setRange(minX, maxX, minY, maxY); +} + +void QStackedBarSeriesPrivate::initializeGraphics(QGraphicsItem* parent) +{ + Q_Q(QStackedBarSeries); + StackedBarChartItem *bar = new StackedBarChartItem(q,parent); + m_item.reset(bar); + QAbstractSeriesPrivate::initializeGraphics(parent); +} + +#include "moc_qstackedbarseries.cpp" + +QT_CHARTS_END_NAMESPACE + |