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Diffstat (limited to 'src/charts/qabstractseries.cpp')
| -rw-r--r-- | src/charts/qabstractseries.cpp | 328 |
1 files changed, 328 insertions, 0 deletions
diff --git a/src/charts/qabstractseries.cpp b/src/charts/qabstractseries.cpp new file mode 100644 index 00000000..1db799f2 --- /dev/null +++ b/src/charts/qabstractseries.cpp @@ -0,0 +1,328 @@ +/**************************************************************************** +** +** 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 "qabstractseries.h" +#include "qabstractseries_p.h" +#include "chartdataset_p.h" +#include "qchart.h" +#include "qchart_p.h" +#include "chartitem_p.h" +#include "xydomain_p.h" +#include "xlogydomain_p.h" +#include "logxydomain_p.h" +#include "logxlogydomain_p.h" + +QT_CHARTS_BEGIN_NAMESPACE + +/*! + \class QAbstractSeries + \inmodule Qt Charts + \brief Base class for all Qt Chart series. + \mainclass + + Usually you use the series type specific inherited classes instead of the base class. + \sa QXYSeries, QLineSeries, QSplineSeries, QScatterSeries, QAreaSeries, QAbstractBarSeries, QStackedBarSeries, + QPercentBarSeries, QPieSeries +*/ +/*! + \qmltype AbstractSeries + \instantiates QAbstractSeries + \inqmlmodule QtCharts + + \brief Base class for all Qt Chart series. + + AbstractSeries is the base class for all series. + The class cannot be instantiated by the user. +*/ + +/*! + \enum QAbstractSeries::SeriesType + + The type of the series object. + + \value SeriesTypeLine + \value SeriesTypeArea + \value SeriesTypeBar + \value SeriesTypeStackedBar + \value SeriesTypePercentBar + \value SeriesTypePie + \value SeriesTypeScatter + \value SeriesTypeSpline + \value SeriesTypeHorizontalBar + \value SeriesTypeHorizontalStackedBar + \value SeriesTypeHorizontalPercentBar + \value SeriesTypeBoxPlot +*/ + +/*! + \property QAbstractSeries::type + The type of the series. +*/ +/*! + \qmlproperty ChartView.SeriesType AbstractSeries::type + The type of the series. +*/ + +/*! + \property QAbstractSeries::name + \brief name of the series property. The name is shown in legend for series and supports html formatting. +*/ +/*! + \qmlproperty string AbstractSeries::name + Name of the series. The name is shown in legend for series and supports html formatting. +*/ + +/*! + \fn void QAbstractSeries::nameChanged() + This signal is emitted when the series name changes. +*/ +/*! + \qmlsignal AbstractSeries::onNameChanged() + This signal is emitted when the series name changes. +*/ + +/*! + \property QAbstractSeries::visible + \brief whether the series is visible or not; true by default. +*/ +/*! + \qmlproperty bool AbstractSeries::visible + Visibility of the series. True by default. +*/ + +/*! + \fn void QAbstractSeries::visibleChanged() + Emitted when the series visibility changes. +*/ +/*! + \qmlsignal AbstractSeries::onVisibleChanged() + Emitted when the series visibility changes. +*/ + +/*! + \property QAbstractSeries::opacity + \brief The opacity of the series. + + By default the opacity is 1.0. The valid values range from 0.0 (transparent) to 1.0 (opaque). +*/ +/*! + \qmlproperty real AbstractSeries::opacity + The opacity of the series. By default the opacity is 1.0. + The valid values range from 0.0 (transparent) to 1.0 (opaque). +*/ + +/*! + \fn void QAbstractSeries::opacityChanged() + Emitted when the opacity of the series changes. +*/ +/*! + \qmlsignal AbstractSeries::onOpacityChanged() + Emitted when the opacity of the series changes. +*/ + +/*! + \internal + \brief Constructs QAbstractSeries object with \a parent. +*/ +QAbstractSeries::QAbstractSeries(QAbstractSeriesPrivate &d, QObject *parent) : + QObject(parent), + d_ptr(&d) +{ +} + +/*! + \brief Virtual destructor for the chart series. +*/ +QAbstractSeries::~QAbstractSeries() +{ + if (d_ptr->m_chart) + qFatal("Series still bound to a chart when destroyed!"); +} + +void QAbstractSeries::setName(const QString &name) +{ + if (name != d_ptr->m_name) { + d_ptr->m_name = name; + emit nameChanged(); + } +} + +QString QAbstractSeries::name() const +{ + return d_ptr->m_name; +} + +void QAbstractSeries::setVisible(bool visible) +{ + if (visible != d_ptr->m_visible) { + d_ptr->m_visible = visible; + emit visibleChanged(); + } +} + +bool QAbstractSeries::isVisible() const +{ + return d_ptr->m_visible; +} + +qreal QAbstractSeries::opacity() const +{ + return d_ptr->m_opacity; +} + +void QAbstractSeries::setOpacity(qreal opacity) +{ + if (opacity != d_ptr->m_opacity) { + d_ptr->m_opacity = opacity; + emit opacityChanged(); + } +} + +/*! + \brief Returns the chart where series belongs to. + + Set automatically when the series is added to the chart + and unset when the series is removed from the chart. +*/ +QChart *QAbstractSeries::chart() const +{ + return d_ptr->m_chart; +} + +/*! + \brief Sets the visibility of the series to true. + + \sa setVisible(), isVisible() +*/ +void QAbstractSeries::show() +{ + setVisible(true); +} + +/*! + \brief Sets the visibility of the series to false. + + \sa setVisible(), isVisible() +*/ +void QAbstractSeries::hide() +{ + setVisible(false); +} + +/*! + Attach \a axis to the series. + \return true if the axis was attached successfully, false otherwise. + \note If multiple axes of same orientation are attached to same series, + they will have same min/max ranges. + \sa QChart::addAxis(), QChart::createDefaultAxes() + */ +bool QAbstractSeries::attachAxis(QAbstractAxis* axis) +{ + if(d_ptr->m_chart) { + return d_ptr->m_chart->d_ptr->m_dataset->attachAxis(this, axis); + } else { + qWarning()<<"Series not in the chart. Please addSeries to chart first."; + return false; + } +} + +/*! + Detach \a axis from the series. + \return true if the axis was detached successfully, false otherwise. + \sa QChart::removeAxis() + */ +bool QAbstractSeries::detachAxis(QAbstractAxis* axis) +{ + if(d_ptr->m_chart) { + return d_ptr->m_chart->d_ptr->m_dataset->detachAxis(this, axis); + } + else { + qWarning()<<"Series not in the chart. Please addSeries to chart first."; + return false; + } +} + +/*! + Returns the list of axes attached to the series. Usually there is an x-axis and a y-axis attached to a series, except + in case of a QPieSeries, which does not have any axes attached. + \sa attachAxis(), detachAxis() + */ +QList<QAbstractAxis*> QAbstractSeries::attachedAxes() +{ + return d_ptr->m_axes; +} + +/////////////////////////////////////////////////////////////////////////////////////////////////// + +QAbstractSeriesPrivate::QAbstractSeriesPrivate(QAbstractSeries *q) + : q_ptr(q), + m_chart(0), + m_item(0), + m_domain(new XYDomain()), + m_visible(true), + m_opacity(1.0) +{ +} + +QAbstractSeriesPrivate::~QAbstractSeriesPrivate() +{ +} + +void QAbstractSeriesPrivate::setDomain(AbstractDomain* domain) +{ + Q_ASSERT(domain); + if(m_domain.data()!=domain) { + if(!m_item.isNull()) QObject::disconnect(m_domain.data(), SIGNAL(updated()), m_item.data(), SLOT(handleDomainUpdated())); + m_domain.reset(domain); + if(!m_item.isNull()) { + QObject::connect(m_domain.data(), SIGNAL(updated()),m_item.data(), SLOT(handleDomainUpdated())); + m_item->handleDomainUpdated(); + } + } +} + +void QAbstractSeriesPrivate::setPresenter(ChartPresenter *presenter) +{ + m_presenter = presenter; +} + +ChartPresenter *QAbstractSeriesPrivate::presenter() const +{ + return m_presenter; +} + +void QAbstractSeriesPrivate::initializeGraphics(QGraphicsItem* parent) +{ + Q_ASSERT(!m_item.isNull()); + Q_UNUSED(parent); + QObject::connect(m_domain.data(), SIGNAL(updated()),m_item.data(), SLOT(handleDomainUpdated())); +} + +void QAbstractSeriesPrivate::initializeAnimations(QChart::AnimationOptions options) +{ + Q_UNUSED(options); +} + +#include "moc_qabstractseries.cpp" +#include "moc_qabstractseries_p.cpp" + +QT_CHARTS_END_NAMESPACE + + |