chartdataset.cpp
482 lines
| 12.3 KiB
| text/x-c
|
CppLexer
/ src / chartdataset.cpp
Michal Klocek
|
r771 | /**************************************************************************** | ||
| ** | ||||
| ** Copyright (C) 2012 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 Commercial Charts Add-on. | ||||
| ** | ||||
| ** $QT_BEGIN_LICENSE$ | ||||
| ** Licensees holding valid Qt Commercial licenses may use this file in | ||||
| ** accordance with the Qt Commercial 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 | ||||
| ** $QT_END_LICENSE$ | ||||
| ** | ||||
| ****************************************************************************/ | ||||
|
Michal Klocek
|
r131 | #include "chartdataset_p.h" | ||
|
Michal Klocek
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r2273 | #include "chartpresenter_p.h" | ||
Jani Honkonen
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r1314 | #include "qchart.h" | ||
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r2273 | #include "qchart_p.h" | ||
Marek Rosa
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r1805 | #include "qvalueaxis.h" | ||
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Marek Rosa
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r1810 | #include "qbarcategoryaxis.h" | ||
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Marek Rosa
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r1805 | #include "qvalueaxis_p.h" | ||
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Marek Rosa
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r1817 | #include "qcategoryaxis.h" | ||
Tero Ahola
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r988 | #include "qabstractseries_p.h" | ||
sauimone
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r1586 | #include "qabstractbarseries.h" | ||
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sauimone
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r338 | #include "qstackedbarseries.h" | ||
| #include "qpercentbarseries.h" | ||||
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Jani Honkonen
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r146 | #include "qpieseries.h" | ||
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r2273 | #include "chartitem_p.h" | ||
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Marek Rosa
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r2275 | #include "xydomain_p.h" | ||
|
Marek Rosa
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r2280 | #include "xlogydomain_p.h" | ||
| #include "logxydomain_p.h" | ||||
| #include "logxlogydomain_p.h" | ||||
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r131 | |||
|
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r1867 | #ifndef QT_ON_ARM | ||
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r2097 | #include "qdatetimeaxis.h" | ||
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Marek Rosa
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r1867 | #endif | ||
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r131 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||
|
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r2273 | ChartDataSet::ChartDataSet(QChart *chart) | ||
| : QObject(chart), | ||||
| m_chart(chart) | ||||
|
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r131 | { | ||
|
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r1556 | |||
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r131 | } | ||
| ChartDataSet::~ChartDataSet() | ||||
| { | ||||
|
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r2284 | deleteAllSeries(); | ||
| deleteAllAxes(); | ||||
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Michal Klocek
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r131 | } | ||
|
Michal Klocek
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r2273 | /* | ||
| * This method adds series to chartdataset, series ownership is taken from caller. | ||||
| */ | ||||
|
Jani Honkonen
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r2104 | void ChartDataSet::addSeries(QAbstractSeries *series) | ||
|
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r131 | { | ||
|
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r2273 | if (m_seriesList.contains(series)) { | ||
| qWarning() << QObject::tr("Can not add series. Series already on the chart."); | ||||
| return; | ||||
| } | ||||
| series->d_ptr->initializeDomain(); | ||||
| m_seriesList.append(series); | ||||
| series->setParent(this); // take ownership | ||||
| series->d_ptr->m_chart = m_chart; | ||||
| emit seriesAdded(series); | ||||
| } | ||||
|
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r910 | |||
|
Michal Klocek
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r2273 | /* | ||
| * This method adds axis to chartdataset, axis ownership is taken from caller. | ||||
| */ | ||||
| void ChartDataSet::addAxis(QAbstractAxis *axis,Qt::Alignment aligment) | ||||
| { | ||||
| if (m_axisList.contains(axis)) { | ||||
| qWarning() << QObject::tr("Can not add axis. Axis already on the chart."); | ||||
|
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r439 | return; | ||
| } | ||||
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r223 | |||
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r2273 | axis->d_ptr->setAlignment(aligment); | ||
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r1695 | |||
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r2273 | if(!axis->alignment()) { | ||
| qWarning()<< QObject::tr("No alignment specified !"); | ||||
| return; | ||||
| }; | ||||
|
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r1695 | |||
|
Marek Rosa
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r2275 | QSharedPointer<AbstractDomain> domain(new XYDomain()); | ||
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r2273 | axis->d_ptr->initializeDomain(domain.data()); | ||
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r223 | |||
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r2273 | axis->setParent(this); | ||
| axis->d_ptr->m_chart = m_chart; | ||||
| m_axisList.append(axis); | ||||
|
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r421 | |||
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r2273 | emit axisAdded(axis); | ||
|
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r1695 | } | ||
|
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r2273 | /* | ||
| * This method removes series form chartdataset, series ownership is passed back to caller. | ||||
| */ | ||||
|
Jani Honkonen
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r2104 | void ChartDataSet::removeSeries(QAbstractSeries *series) | ||
|
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r1695 | { | ||
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r2273 | if (! m_seriesList.contains(series)) { | ||
| qWarning() << QObject::tr("Can not remove series. Series not found on the chart."); | ||||
|
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r1695 | return; | ||
| } | ||||
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r2273 | QList<QAbstractAxis*> axes = series->d_ptr->m_axes; | ||
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r1695 | |||
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r2273 | foreach(QAbstractAxis* axis, axes) { | ||
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r2299 | detachAxis(series,axis); | ||
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r910 | } | ||
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r2284 | |||
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r2299 | emit seriesRemoved(series); | ||
| m_seriesList.removeAll(series); | ||||
| series->setParent(0); | ||||
| series->d_ptr->m_chart = 0; | ||||
|
Michal Klocek
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r1695 | } | ||
|
Michal Klocek
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r910 | |||
|
Michal Klocek
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r2273 | /* | ||
| * This method removes axis form chartdataset, series ownership is passed back to caller. | ||||
| */ | ||||
| void ChartDataSet::removeAxis(QAbstractAxis *axis) | ||||
|
Michal Klocek
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r1577 | { | ||
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r2273 | if (! m_axisList.contains(axis)) { | ||
| qWarning() << QObject::tr("Can not remove axis. Axis not found on the chart."); | ||||
|
Tero Ahola
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r1813 | return; | ||
|
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r1588 | } | ||
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r1577 | |||
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r2299 | QList<QAbstractSeries*> series = axis->d_ptr->m_series; | ||
| foreach(QAbstractSeries* s, series) { | ||||
| detachAxis(s,axis); | ||||
| } | ||||
|
Michal Klocek
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r2273 | emit axisRemoved(axis); | ||
| m_axisList.removeAll(axis); | ||||
|
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r1577 | |||
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r2273 | axis->setParent(0); | ||
| axis->d_ptr->m_chart = 0; | ||||
|
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r1577 | } | ||
|
Michal Klocek
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r2273 | /* | ||
|
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r2284 | * This method attaches axis to series, return true if success. | ||
|
Michal Klocek
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r2273 | */ | ||
| bool ChartDataSet::attachAxis(QAbstractSeries* series,QAbstractAxis *axis) | ||||
|
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r1588 | { | ||
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r2273 | Q_ASSERT(series); | ||
| Q_ASSERT(axis); | ||||
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r1588 | |||
|
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r2273 | QList<QAbstractSeries* > attachedSeriesList = axis->d_ptr->m_series; | ||
| QList<QAbstractAxis* > attachedAxisList = series->d_ptr->m_axes; | ||||
|
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r1588 | |||
|
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r2273 | if (!m_seriesList.contains(series)) { | ||
| qWarning() << QObject::tr("Can not find series on the chart."); | ||||
| return false; | ||||
| } | ||||
|
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r1588 | |||
|
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r2273 | if (axis && !m_axisList.contains(axis)) { | ||
| qWarning() << QObject::tr("Can not find axis on the chart."); | ||||
| return false; | ||||
| } | ||||
|
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r1588 | |||
|
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r2273 | if (attachedAxisList.contains(axis)) { | ||
| qWarning() << QObject::tr("Axis already attached to series."); | ||||
| return false; | ||||
|
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r1695 | } | ||
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r1588 | |||
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r2284 | if (attachedSeriesList.contains(series)) { | ||
| qWarning() << QObject::tr("Axis already attached to series."); | ||||
| return false; | ||||
| } | ||||
|
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r2285 | AbstractDomain* domain = series->d_ptr->domain(); | ||
|
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r2284 | AbstractDomain::DomainType type = selectDomain(attachedAxisList<<axis); | ||
| if(type == AbstractDomain::UndefinedDomain) return false; | ||||
|
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r910 | |||
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r2284 | if(domain->type()!=type){ | ||
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r2285 | domain = createDomain(type); | ||
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r439 | } | ||
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r223 | |||
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r2285 | if(!domain) return false; | ||
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r2284 | |||
| if(!domain->attachAxis(axis)) return false; | ||||
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r2288 | if(domain!=series->d_ptr->domain()){ | ||
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r2292 | foreach(QAbstractAxis* axis,series->d_ptr->m_axes){ | ||
| series->d_ptr->domain()->detachAxis(axis); | ||||
| domain->attachAxis(axis); | ||||
| } | ||||
|
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r2288 | series->d_ptr->setDomain(domain); | ||
| series->d_ptr->initializeDomain(); | ||||
| } | ||||
|
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r2292 | |||
| series->d_ptr->m_axes<<axis; | ||||
| axis->d_ptr->m_series<<series; | ||||
|
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r2273 | series->d_ptr->initializeAxes(); | ||
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r2285 | axis->d_ptr->initializeDomain(domain); | ||
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r2273 | |||
| return true; | ||||
|
Michal Klocek
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r139 | } | ||
|
Michal Klocek
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r2273 | /* | ||
|
Michal Klocek
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r2284 | * This method detaches axis to series, return true if success. | ||
|
Michal Klocek
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r2273 | */ | ||
| bool ChartDataSet::detachAxis(QAbstractSeries* series,QAbstractAxis *axis) | ||||
|
Michal Klocek
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r1725 | { | ||
|
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r2273 | Q_ASSERT(series); | ||
| Q_ASSERT(axis); | ||||
|
Michal Klocek
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r1725 | |||
|
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r2273 | QList<QAbstractSeries* > attachedSeriesList = axis->d_ptr->m_series; | ||
| QList<QAbstractAxis* > attachedAxisList = series->d_ptr->m_axes; | ||||
|
Michal Klocek
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r2285 | AbstractDomain* domain = series->d_ptr->domain(); | ||
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r1725 | |||
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r2273 | if (!m_seriesList.contains(series)) { | ||
| qWarning() << QObject::tr("Can not find series on the chart."); | ||||
| return false; | ||||
| } | ||||
|
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r1725 | |||
|
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r2273 | if (axis && !m_axisList.contains(axis)) { | ||
| qWarning() << QObject::tr("Can not find axis on the chart."); | ||||
| return false; | ||||
| } | ||||
|
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r1725 | |||
|
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r2273 | if (!attachedAxisList.contains(axis)) { | ||
| qWarning() << QObject::tr("Axis not attached to series."); | ||||
| return false; | ||||
|
Michal Klocek
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r1725 | } | ||
|
Michal Klocek
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r2273 | Q_ASSERT(axis->d_ptr->m_series.contains(series)); | ||
|
Michal Klocek
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r2284 | domain->detachAxis(axis); | ||
|
Michal Klocek
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r2273 | series->d_ptr->m_axes.removeAll(axis); | ||
| axis->d_ptr->m_series.removeAll(series); | ||||
|
Michal Klocek
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r139 | |||
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Michal Klocek
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r2273 | return true; | ||
|
Michal Klocek
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r139 | } | ||
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Michal Klocek
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r2273 | void ChartDataSet::createDefaultAxes() | ||
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r139 | { | ||
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r2273 | if (m_seriesList.isEmpty()) | ||
| return; | ||||
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r1593 | |||
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r2273 | QAbstractAxis::AxisTypes typeX(0); | ||
| QAbstractAxis::AxisTypes typeY(0); | ||||
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r1652 | |||
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r2273 | // Remove possibly existing axes | ||
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r2284 | deleteAllAxes(); | ||
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r1593 | |||
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r2273 | Q_ASSERT(m_axisList.isEmpty()); | ||
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r1593 | |||
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r2273 | // Select the required axis x and axis y types based on the types of the current series | ||
| foreach(QAbstractSeries* s, m_seriesList) { | ||||
| typeX |= s->d_ptr->defaultAxisType(Qt::Horizontal); | ||||
| typeY |= s->d_ptr->defaultAxisType(Qt::Vertical); | ||||
|
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r223 | } | ||
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r1593 | |||
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r2273 | // Create the axes of the types selected | ||
| createAxes(typeX, Qt::Horizontal); | ||||
| createAxes(typeY, Qt::Vertical); | ||||
|
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r1593 | |||
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r439 | } | ||
|
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r223 | |||
|
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r2273 | void ChartDataSet::createAxes(QAbstractAxis::AxisTypes type, Qt::Orientation orientation) | ||
|
Michal Klocek
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r439 | { | ||
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r2273 | QAbstractAxis *axis = 0; | ||
| //decide what axis should be created | ||||
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r1593 | |||
|
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r2273 | switch (type) { | ||
| case QAbstractAxis::AxisTypeValue: | ||||
| axis = new QValueAxis(this); | ||||
| break; | ||||
| case QAbstractAxis::AxisTypeBarCategory: | ||||
| axis = new QBarCategoryAxis(this); | ||||
| break; | ||||
| case QAbstractAxis::AxisTypeCategory: | ||||
| axis = new QCategoryAxis(this); | ||||
| break; | ||||
| #ifndef Q_WS_QWS | ||||
| case QAbstractAxis::AxisTypeDateTime: | ||||
| axis = new QDateTimeAxis(this); | ||||
| break; | ||||
| #endif | ||||
| default: | ||||
| axis = 0; | ||||
| break; | ||||
|
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r439 | } | ||
|
Michal Klocek
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r1593 | |||
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Michal Klocek
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r2273 | if (axis) { | ||
| //create one axis for all | ||||
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r1593 | |||
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Michal Klocek
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r2273 | addAxis(axis,orientation==Qt::Horizontal?Qt::AlignBottom:Qt::AlignLeft); | ||
| foreach(QAbstractSeries *s, m_seriesList) { | ||||
| attachAxis(s,axis); | ||||
|
Michal Klocek
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r1738 | } | ||
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r223 | |||
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Michal Klocek
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r910 | } | ||
|
Michal Klocek
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r2273 | else if (!type.testFlag(QAbstractAxis::AxisTypeNoAxis)) { | ||
| //create separate axis | ||||
| foreach(QAbstractSeries *s, m_seriesList) { | ||||
| QAbstractAxis *axis = s->d_ptr->createDefaultAxis(orientation); | ||||
| if(axis) { | ||||
| addAxis(axis,orientation==Qt::Horizontal?Qt::AlignBottom:Qt::AlignLeft); | ||||
| attachAxis(s,axis); | ||||
| } | ||||
| } | ||||
|
Tero Ahola
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r538 | } | ||
| } | ||||
|
Michal Klocek
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r2284 | void ChartDataSet::deleteAllSeries() | ||
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sauimone
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r1554 | { | ||
|
Michal Klocek
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r2284 | foreach (QAbstractSeries *s , m_seriesList){ | ||
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r2273 | removeSeries(s); | ||
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r2299 | s->deleteLater(); | ||
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Michal Klocek
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r2284 | } | ||
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Michal Klocek
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r2273 | Q_ASSERT(m_seriesList.count() == 0); | ||
|
sauimone
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r1554 | } | ||
|
Michal Klocek
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r2284 | void ChartDataSet::deleteAllAxes() | ||
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Michal Klocek
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r223 | { | ||
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Michal Klocek
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r2284 | foreach (QAbstractAxis *a , m_axisList){ | ||
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r2273 | removeAxis(a); | ||
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r2299 | a->deleteLater(); | ||
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Michal Klocek
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r2284 | } | ||
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Michal Klocek
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r2273 | Q_ASSERT(m_axisList.count() == 0); | ||
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Michal Klocek
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r223 | } | ||
|
Michal Klocek
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r2273 | void ChartDataSet::zoomInDomain(const QRectF &rect) | ||
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sauimone
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r1554 | { | ||
|
Marek Rosa
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r2275 | QList<AbstractDomain*> domains; | ||
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Michal Klocek
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r2273 | foreach(QAbstractSeries *s, m_seriesList) { | ||
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r2285 | AbstractDomain* domain = s->d_ptr->domain(); | ||
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r2289 | s->d_ptr->m_domain->blockRangeSignals(true); | ||
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r2273 | domains<<domain; | ||
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Michal Klocek
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r1699 | } | ||
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Marek Rosa
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r2275 | foreach(AbstractDomain *domain, domains) | ||
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r2273 | domain->zoomIn(rect); | ||
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r1564 | |||
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Marek Rosa
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r2275 | foreach(AbstractDomain *domain, domains) | ||
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r2289 | domain->blockRangeSignals(false); | ||
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r2273 | } | ||
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Michal Klocek
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r1564 | |||
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r2273 | void ChartDataSet::zoomOutDomain(const QRectF &rect) | ||
| { | ||||
|
Marek Rosa
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r2275 | QList<AbstractDomain*> domains; | ||
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Michal Klocek
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r2273 | foreach(QAbstractSeries *s, m_seriesList) { | ||
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r2285 | AbstractDomain* domain = s->d_ptr->domain(); | ||
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r2289 | s->d_ptr->m_domain->blockRangeSignals(true); | ||
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r2273 | domains<<domain; | ||
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Michal Klocek
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r1564 | } | ||
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Marek Rosa
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r2275 | foreach(AbstractDomain *domain, domains) | ||
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r2273 | domain->zoomOut(rect); | ||
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Michal Klocek
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r1564 | |||
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Marek Rosa
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r2275 | foreach(AbstractDomain *domain, domains) | ||
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Michal Klocek
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r2289 | domain->blockRangeSignals(false); | ||
|
Michal Klocek
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r2273 | } | ||
|
Tero Ahola
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r1813 | |||
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Michal Klocek
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r2273 | void ChartDataSet::scrollDomain(qreal dx, qreal dy) | ||
| { | ||||
|
Marek Rosa
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r2275 | QList<AbstractDomain*> domains; | ||
|
Michal Klocek
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r2273 | foreach(QAbstractSeries *s, m_seriesList) { | ||
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r2289 | AbstractDomain* domain = s->d_ptr->domain(); | ||
| s->d_ptr->m_domain->blockRangeSignals(true); | ||||
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Michal Klocek
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r2273 | domains<<domain; | ||
|
Michal Klocek
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r1577 | } | ||
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Michal Klocek
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r1564 | |||
|
Marek Rosa
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r2275 | foreach(AbstractDomain *domain, domains) | ||
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r2273 | domain->move(dx, dy); | ||
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r1564 | |||
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Marek Rosa
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r2275 | foreach(AbstractDomain *domain, domains) | ||
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Michal Klocek
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r2289 | domain->blockRangeSignals(false); | ||
|
Michal Klocek
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r1542 | } | ||
|
Michal Klocek
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r2273 | QList<QAbstractAxis*> ChartDataSet::axes() const | ||
|
Michal Klocek
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r531 | { | ||
|
Michal Klocek
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r2273 | return m_axisList; | ||
|
Michal Klocek
|
r1078 | } | ||
|
Jani Honkonen
|
r2104 | QList<QAbstractSeries *> ChartDataSet::series() const | ||
|
Michal Klocek
|
r1078 | { | ||
|
Michal Klocek
|
r2273 | return m_seriesList; | ||
|
Michal Klocek
|
r531 | } | ||
|
Michal Klocek
|
r2273 | |||
|
Michal Klocek
|
r2284 | AbstractDomain::DomainType ChartDataSet::selectDomain(QList<QAbstractAxis*> axes) | ||
| { | ||||
| enum Type { | ||||
|
Michal Klocek
|
r2288 | Undefined = 0, | ||
|
Michal Klocek
|
r2284 | LogType = 0x1, | ||
| ValueType = 0x2 | ||||
| }; | ||||
|
Michal Klocek
|
r2288 | int horizontal(Undefined); | ||
| int vertical(Undefined); | ||||
|
Michal Klocek
|
r2284 | |||
| foreach(QAbstractAxis* axis, axes) | ||||
| { | ||||
| switch(axis->type()) { | ||||
| case QAbstractAxis::AxisTypeLogValue: | ||||
|
Michal Klocek
|
r2288 | |||
| if(axis->orientation()==Qt::Horizontal) { | ||||
| horizontal|=LogType; | ||||
| } | ||||
| if(axis->orientation()==Qt::Vertical) { | ||||
| vertical|=LogType; | ||||
| } | ||||
|
Michal Klocek
|
r2284 | break; | ||
| case QAbstractAxis::AxisTypeValue: | ||||
| case QAbstractAxis::AxisTypeBarCategory: | ||||
| case QAbstractAxis::AxisTypeCategory: | ||||
| case QAbstractAxis::AxisTypeDateTime: | ||||
|
Michal Klocek
|
r2288 | if(axis->orientation()==Qt::Horizontal) { | ||
| horizontal|=ValueType; | ||||
| } | ||||
| if(axis->orientation()==Qt::Vertical) { | ||||
| vertical|=ValueType; | ||||
| } | ||||
|
Michal Klocek
|
r2284 | break; | ||
| default: | ||||
| qWarning()<<"Undefined type"; | ||||
| break; | ||||
| } | ||||
| } | ||||
|
Michal Klocek
|
r2288 | if(vertical==Undefined) vertical=ValueType; | ||
| if(horizontal==Undefined) horizontal=ValueType; | ||||
|
Michal Klocek
|
r2284 | if(vertical==ValueType && horizontal== ValueType) { | ||
| return AbstractDomain::XYDomain; | ||||
| } | ||||
| if(vertical==LogType && horizontal== ValueType) { | ||||
| return AbstractDomain::XLogYDomain; | ||||
| } | ||||
| if(vertical==ValueType && horizontal== LogType) { | ||||
| return AbstractDomain::LogXYDomain; | ||||
| } | ||||
| if(vertical==LogType && horizontal== LogType) { | ||||
|
Michal Klocek
|
r2287 | return AbstractDomain::LogXLogYDomain; | ||
|
Michal Klocek
|
r2284 | } | ||
| return AbstractDomain::UndefinedDomain; | ||||
| } | ||||
| //refactor create factory | ||||
| AbstractDomain* ChartDataSet::createDomain(AbstractDomain::DomainType type) | ||||
| { | ||||
| switch(type) | ||||
| { | ||||
|
Michal Klocek
|
r2287 | case AbstractDomain::LogXLogYDomain: | ||
| return new LogXLogYDomain(); | ||||
|
Michal Klocek
|
r2284 | case AbstractDomain::XYDomain: | ||
| return new XYDomain(); | ||||
| case AbstractDomain::XLogYDomain: | ||||
|
Michal Klocek
|
r2287 | return new XLogYDomain(); | ||
|
Michal Klocek
|
r2284 | case AbstractDomain::LogXYDomain: | ||
|
Michal Klocek
|
r2287 | return new LogXYDomain(); | ||
|
Michal Klocek
|
r2284 | default: | ||
| return 0; | ||||
| } | ||||
| } | ||||
|
Michal Klocek
|
r131 | #include "moc_chartdataset_p.cpp" | ||
| QTCOMMERCIALCHART_END_NAMESPACE | ||||