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/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Enterprise Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Enterprise licenses may use this file in
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** accordance with the Qt Enterprise License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "chartdataset_p.h"
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#include "chartpresenter_p.h"
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#include "qchart.h"
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#include "qchart_p.h"
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#include "qvalueaxis.h"
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#include "qbarcategoryaxis.h"
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#include "qvalueaxis_p.h"
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#include "qcategoryaxis.h"
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#include "qabstractseries_p.h"
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#include "qabstractbarseries.h"
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#include "qstackedbarseries.h"
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#include "qpercentbarseries.h"
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#include "qpieseries.h"
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#include "chartitem_p.h"
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#include "xydomain_p.h"
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#include "xypolardomain_p.h"
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#include "xlogydomain_p.h"
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#include "logxydomain_p.h"
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#include "logxlogydomain_p.h"
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#include "xlogypolardomain_p.h"
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#include "logxypolardomain_p.h"
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#include "logxlogypolardomain_p.h"
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#ifndef QT_ON_ARM
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#include "qdatetimeaxis.h"
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#endif
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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ChartDataSet::ChartDataSet(QChart *chart)
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: QObject(chart),
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m_chart(chart)
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{
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}
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ChartDataSet::~ChartDataSet()
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{
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deleteAllSeries();
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deleteAllAxes();
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}
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/*
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* This method adds series to chartdataset, series ownership is taken from caller.
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*/
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void ChartDataSet::addSeries(QAbstractSeries *series)
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{
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if (m_seriesList.contains(series)) {
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qWarning() << QObject::tr("Can not add series. Series already on the chart.");
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return;
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}
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// Ignore unsupported series added to polar chart
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if (m_chart && m_chart->chartType() == QChart::ChartTypePolar) {
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if (!(series->type() == QAbstractSeries::SeriesTypeArea
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|| series->type() == QAbstractSeries::SeriesTypeLine
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|| series->type() == QAbstractSeries::SeriesTypeScatter
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|| series->type() == QAbstractSeries::SeriesTypeSpline)) {
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qWarning() << QObject::tr("Can not add series. Series type is not supported by a polar chart.");
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return;
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}
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series->d_ptr->setDomain(new XYPolarDomain());
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} else {
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series->d_ptr->setDomain(new XYDomain());
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}
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series->d_ptr->initializeDomain();
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m_seriesList.append(series);
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series->setParent(this); // take ownership
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series->d_ptr->m_chart = m_chart;
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emit seriesAdded(series);
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}
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/*
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* This method adds axis to chartdataset, axis ownership is taken from caller.
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*/
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void ChartDataSet::addAxis(QAbstractAxis *axis, Qt::Alignment aligment)
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{
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if (m_axisList.contains(axis)) {
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qWarning() << QObject::tr("Can not add axis. Axis already on the chart.");
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return;
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}
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axis->d_ptr->setAlignment(aligment);
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if (!axis->alignment()) {
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qWarning() << QObject::tr("No alignment specified !");
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return;
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};
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AbstractDomain *newDomain;
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if (m_chart && m_chart->chartType() == QChart::ChartTypePolar)
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newDomain = new XYPolarDomain();
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else
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newDomain = new XYDomain();
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QSharedPointer<AbstractDomain> domain(newDomain);
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axis->d_ptr->initializeDomain(domain.data());
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axis->setParent(this);
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axis->d_ptr->m_chart = m_chart;
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m_axisList.append(axis);
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emit axisAdded(axis);
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}
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/*
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* This method removes series form chartdataset, series ownership is passed back to caller.
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*/
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void ChartDataSet::removeSeries(QAbstractSeries *series)
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{
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if (! m_seriesList.contains(series)) {
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qWarning() << QObject::tr("Can not remove series. Series not found on the chart.");
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return;
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}
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QList<QAbstractAxis*> axes = series->d_ptr->m_axes;
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foreach(QAbstractAxis* axis, axes) {
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detachAxis(series,axis);
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}
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emit seriesRemoved(series);
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m_seriesList.removeAll(series);
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// Reset domain to default
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series->d_ptr->setDomain(new XYDomain());
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series->setParent(0);
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series->d_ptr->m_chart = 0;
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}
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/*
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* This method removes axis form chartdataset, series ownership is passed back to caller.
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*/
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void ChartDataSet::removeAxis(QAbstractAxis *axis)
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{
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if (! m_axisList.contains(axis)) {
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qWarning() << QObject::tr("Can not remove axis. Axis not found on the chart.");
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return;
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}
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QList<QAbstractSeries*> series = axis->d_ptr->m_series;
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foreach(QAbstractSeries* s, series) {
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detachAxis(s,axis);
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}
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emit axisRemoved(axis);
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m_axisList.removeAll(axis);
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axis->setParent(0);
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axis->d_ptr->m_chart = 0;
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}
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/*
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* This method attaches axis to series, return true if success.
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*/
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bool ChartDataSet::attachAxis(QAbstractSeries *series,QAbstractAxis *axis)
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{
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Q_ASSERT(axis);
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if (!series)
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return false;
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QList<QAbstractSeries *> attachedSeriesList = axis->d_ptr->m_series;
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QList<QAbstractAxis *> attachedAxisList = series->d_ptr->m_axes;
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if (!m_seriesList.contains(series)) {
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qWarning() << QObject::tr("Can not find series on the chart.");
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return false;
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}
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if (axis && !m_axisList.contains(axis)) {
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qWarning() << QObject::tr("Can not find axis on the chart.");
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return false;
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}
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if (attachedAxisList.contains(axis)) {
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qWarning() << QObject::tr("Axis already attached to series.");
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return false;
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}
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if (attachedSeriesList.contains(series)) {
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qWarning() << QObject::tr("Axis already attached to series.");
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return false;
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}
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AbstractDomain *domain = series->d_ptr->domain();
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AbstractDomain::DomainType type = selectDomain(attachedAxisList<<axis);
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if (type == AbstractDomain::UndefinedDomain) return false;
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if (domain->type() != type) {
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AbstractDomain *old = domain;
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domain = createDomain(type);
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domain->setRange(old->minX(), old->maxX(), old->minY(), old->maxY());
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// Initialize domain size to old domain size, as it won't get updated
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// unless geometry changes.
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domain->setSize(old->size());
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}
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if (!domain)
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return false;
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if (!domain->attachAxis(axis))
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return false;
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QList<AbstractDomain *> blockedDomains;
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domain->blockRangeSignals(true);
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blockedDomains << domain;
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if (domain != series->d_ptr->domain()) {
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foreach (QAbstractAxis *axis, series->d_ptr->m_axes) {
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series->d_ptr->domain()->detachAxis(axis);
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domain->attachAxis(axis);
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foreach (QAbstractSeries *otherSeries, axis->d_ptr->m_series) {
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if (otherSeries != series && otherSeries->d_ptr->domain()) {
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if (!otherSeries->d_ptr->domain()->rangeSignalsBlocked()) {
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otherSeries->d_ptr->domain()->blockRangeSignals(true);
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blockedDomains << otherSeries->d_ptr->domain();
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}
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}
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}
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}
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series->d_ptr->setDomain(domain);
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series->d_ptr->initializeDomain();
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}
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series->d_ptr->m_axes<<axis;
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axis->d_ptr->m_series<<series;
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series->d_ptr->initializeAxes();
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axis->d_ptr->initializeDomain(domain);
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foreach (AbstractDomain *blockedDomain, blockedDomains)
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blockedDomain->blockRangeSignals(false);
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return true;
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}
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/*
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* This method detaches axis to series, return true if success.
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*/
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bool ChartDataSet::detachAxis(QAbstractSeries* series,QAbstractAxis *axis)
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{
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Q_ASSERT(series);
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Q_ASSERT(axis);
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QList<QAbstractSeries* > attachedSeriesList = axis->d_ptr->m_series;
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QList<QAbstractAxis* > attachedAxisList = series->d_ptr->m_axes;
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AbstractDomain* domain = series->d_ptr->domain();
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if (!m_seriesList.contains(series)) {
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qWarning() << QObject::tr("Can not find series on the chart.");
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return false;
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}
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if (axis && !m_axisList.contains(axis)) {
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qWarning() << QObject::tr("Can not find axis on the chart.");
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return false;
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}
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if (!attachedAxisList.contains(axis)) {
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qWarning() << QObject::tr("Axis not attached to series.");
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return false;
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}
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Q_ASSERT(axis->d_ptr->m_series.contains(series));
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domain->detachAxis(axis);
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series->d_ptr->m_axes.removeAll(axis);
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axis->d_ptr->m_series.removeAll(series);
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return true;
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}
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void ChartDataSet::createDefaultAxes()
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{
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if (m_seriesList.isEmpty())
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return;
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QAbstractAxis::AxisTypes typeX(0);
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QAbstractAxis::AxisTypes typeY(0);
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// Remove possibly existing axes
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deleteAllAxes();
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Q_ASSERT(m_axisList.isEmpty());
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// Select the required axis x and axis y types based on the types of the current series
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foreach(QAbstractSeries* s, m_seriesList) {
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typeX |= s->d_ptr->defaultAxisType(Qt::Horizontal);
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typeY |= s->d_ptr->defaultAxisType(Qt::Vertical);
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}
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// Create the axes of the types selected
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// As long as AxisType enum balues are sequential a check to see if there are series of
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// different types is needed. In such cases AxisTypeNoAxis is used to create separate axes
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// for the types.
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if (typeX != QAbstractAxis::AxisTypeNoAxis) {
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if (typeX != m_seriesList.first()->d_ptr->defaultAxisType(Qt::Horizontal))
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typeX = QAbstractAxis::AxisTypeNoAxis;
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createAxes(typeX, Qt::Horizontal);
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}
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if (typeY != QAbstractAxis::AxisTypeNoAxis) {
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if (typeY != m_seriesList.first()->d_ptr->defaultAxisType(Qt::Vertical))
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typeY = QAbstractAxis::AxisTypeNoAxis;
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createAxes(typeY, Qt::Vertical);
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}
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}
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void ChartDataSet::createAxes(QAbstractAxis::AxisTypes type, Qt::Orientation orientation)
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{
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QAbstractAxis *axis = 0;
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//decide what axis should be created
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switch (type) {
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case QAbstractAxis::AxisTypeValue:
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axis = new QValueAxis(this);
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break;
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case QAbstractAxis::AxisTypeBarCategory:
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axis = new QBarCategoryAxis(this);
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break;
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case QAbstractAxis::AxisTypeCategory:
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axis = new QCategoryAxis(this);
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break;
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#ifndef Q_WS_QWS
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case QAbstractAxis::AxisTypeDateTime:
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axis = new QDateTimeAxis(this);
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break;
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#endif
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default:
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axis = 0;
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break;
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}
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if (axis) {
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//create one axis for all
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addAxis(axis,orientation==Qt::Horizontal?Qt::AlignBottom:Qt::AlignLeft);
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qreal min = 0;
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qreal max = 0;
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findMinMaxForSeries(m_seriesList,orientation,min,max);
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foreach(QAbstractSeries *s, m_seriesList) {
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attachAxis(s,axis);
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}
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axis->setRange(min,max);
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}
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else if (type.testFlag(QAbstractAxis::AxisTypeNoAxis)) {
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//create separate axis
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foreach(QAbstractSeries *s, m_seriesList) {
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QAbstractAxis *axis = s->d_ptr->createDefaultAxis(orientation);
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if(axis) {
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addAxis(axis,orientation==Qt::Horizontal?Qt::AlignBottom:Qt::AlignLeft);
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attachAxis(s,axis);
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}
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}
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}
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}
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void ChartDataSet::findMinMaxForSeries(QList<QAbstractSeries *> series,Qt::Orientations orientation, qreal &min, qreal &max)
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{
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Q_ASSERT(!series.isEmpty());
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AbstractDomain *domain = series.first()->d_ptr->domain();
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min = (orientation == Qt::Vertical) ? domain->minY() : domain->minX();
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max = (orientation == Qt::Vertical) ? domain->maxY() : domain->maxX();
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for (int i = 1; i< series.size(); i++) {
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AbstractDomain *domain = series[i]->d_ptr->domain();
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min = qMin((orientation == Qt::Vertical) ? domain->minY() : domain->minX(), min);
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max = qMax((orientation == Qt::Vertical) ? domain->maxY() : domain->maxX(), max);
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}
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if (min == max) {
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min -= 0.5;
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max += 0.5;
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}
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}
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void ChartDataSet::deleteAllSeries()
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{
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foreach (QAbstractSeries *s , m_seriesList){
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removeSeries(s);
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s->deleteLater();
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}
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Q_ASSERT(m_seriesList.count() == 0);
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}
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void ChartDataSet::deleteAllAxes()
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{
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foreach (QAbstractAxis *a , m_axisList){
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removeAxis(a);
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a->deleteLater();
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}
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Q_ASSERT(m_axisList.count() == 0);
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}
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void ChartDataSet::zoomInDomain(const QRectF &rect)
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{
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QList<AbstractDomain*> domains;
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foreach(QAbstractSeries *s, m_seriesList) {
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AbstractDomain* domain = s->d_ptr->domain();
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s->d_ptr->m_domain->blockRangeSignals(true);
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domains<<domain;
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}
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foreach(AbstractDomain *domain, domains)
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domain->zoomIn(rect);
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foreach(AbstractDomain *domain, domains)
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domain->blockRangeSignals(false);
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}
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void ChartDataSet::zoomOutDomain(const QRectF &rect)
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{
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QList<AbstractDomain*> domains;
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foreach(QAbstractSeries *s, m_seriesList) {
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AbstractDomain* domain = s->d_ptr->domain();
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s->d_ptr->m_domain->blockRangeSignals(true);
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domains<<domain;
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}
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foreach(AbstractDomain *domain, domains)
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domain->zoomOut(rect);
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foreach(AbstractDomain *domain, domains)
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domain->blockRangeSignals(false);
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}
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void ChartDataSet::zoomResetDomain()
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{
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QList<AbstractDomain*> domains;
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foreach (QAbstractSeries *s, m_seriesList) {
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AbstractDomain *domain = s->d_ptr->domain();
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s->d_ptr->m_domain->blockRangeSignals(true);
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domains << domain;
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}
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foreach (AbstractDomain *domain, domains)
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domain->zoomReset();
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foreach (AbstractDomain *domain, domains)
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domain->blockRangeSignals(false);
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}
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bool ChartDataSet::isZoomedDomain()
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{
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foreach (QAbstractSeries *s, m_seriesList) {
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if (s->d_ptr->domain()->isZoomed())
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return true;
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}
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return false;
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}
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void ChartDataSet::scrollDomain(qreal dx, qreal dy)
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{
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QList<AbstractDomain*> domains;
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foreach(QAbstractSeries *s, m_seriesList) {
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AbstractDomain* domain = s->d_ptr->domain();
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s->d_ptr->m_domain->blockRangeSignals(true);
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domains<<domain;
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}
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foreach(AbstractDomain *domain, domains)
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domain->move(dx, dy);
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foreach(AbstractDomain *domain, domains)
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domain->blockRangeSignals(false);
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}
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QPointF ChartDataSet::mapToValue(const QPointF &position, QAbstractSeries *series)
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{
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QPointF point;
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if (series == 0 && !m_seriesList.isEmpty())
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series = m_seriesList.first();
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if (series && series->type() == QAbstractSeries::SeriesTypePie)
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return point;
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if (series && m_seriesList.contains(series))
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point = series->d_ptr->m_domain->calculateDomainPoint(position - m_chart->plotArea().topLeft());
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return point;
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}
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QPointF ChartDataSet::mapToPosition(const QPointF &value, QAbstractSeries *series)
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{
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QPointF point = m_chart->plotArea().topLeft();
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if (series == 0 && !m_seriesList.isEmpty())
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series = m_seriesList.first();
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if (series && series->type() == QAbstractSeries::SeriesTypePie)
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return QPoint(0, 0);
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bool ok;
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if (series && m_seriesList.contains(series))
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point += series->d_ptr->m_domain->calculateGeometryPoint(value, ok);
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return point;
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}
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QList<QAbstractAxis *> ChartDataSet::axes() const
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{
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return m_axisList;
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}
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QList<QAbstractSeries *> ChartDataSet::series() const
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{
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return m_seriesList;
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}
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AbstractDomain::DomainType ChartDataSet::selectDomain(QList<QAbstractAxis *> axes)
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{
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enum Type {
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Undefined = 0,
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LogType = 0x1,
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ValueType = 0x2
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};
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int horizontal(Undefined);
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int vertical(Undefined);
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// Assume cartesian chart type, unless chart is set
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QChart::ChartType chartType(QChart::ChartTypeCartesian);
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if (m_chart)
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chartType = m_chart->chartType();
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foreach (QAbstractAxis *axis, axes)
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{
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switch (axis->type()) {
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case QAbstractAxis::AxisTypeLogValue:
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if (axis->orientation() == Qt::Horizontal)
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horizontal |= LogType;
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if (axis->orientation() == Qt::Vertical)
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vertical |= LogType;
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break;
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case QAbstractAxis::AxisTypeValue:
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case QAbstractAxis::AxisTypeBarCategory:
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case QAbstractAxis::AxisTypeCategory:
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case QAbstractAxis::AxisTypeDateTime:
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if (axis->orientation() == Qt::Horizontal)
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horizontal |= ValueType;
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|
if (axis->orientation() == Qt::Vertical)
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|
vertical |= ValueType;
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|
break;
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default:
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|
qWarning() << "Undefined type";
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|
break;
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|
}
|
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|
}
|
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if (vertical == Undefined)
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vertical = ValueType;
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if (horizontal == Undefined)
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horizontal = ValueType;
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|
if (vertical == ValueType && horizontal == ValueType) {
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|
if (chartType == QChart::ChartTypeCartesian)
|
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|
return AbstractDomain::XYDomain;
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|
else if (chartType == QChart::ChartTypePolar)
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|
return AbstractDomain::XYPolarDomain;
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|
}
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|
if (vertical == LogType && horizontal == ValueType) {
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|
if (chartType == QChart::ChartTypeCartesian)
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|
return AbstractDomain::XLogYDomain;
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|
if (chartType == QChart::ChartTypePolar)
|
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|
return AbstractDomain::XLogYPolarDomain;
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|
|
}
|
|
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|
|
|
if (vertical == ValueType && horizontal == LogType) {
|
|
|
if (chartType == QChart::ChartTypeCartesian)
|
|
|
return AbstractDomain::LogXYDomain;
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|
|
else if (chartType == QChart::ChartTypePolar)
|
|
|
return AbstractDomain::LogXYPolarDomain;
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|
|
}
|
|
|
|
|
|
if (vertical == LogType && horizontal == LogType) {
|
|
|
if (chartType == QChart::ChartTypeCartesian)
|
|
|
return AbstractDomain::LogXLogYDomain;
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|
|
else if (chartType == QChart::ChartTypePolar)
|
|
|
return AbstractDomain::LogXLogYPolarDomain;
|
|
|
}
|
|
|
|
|
|
return AbstractDomain::UndefinedDomain;
|
|
|
}
|
|
|
|
|
|
//refactor create factory
|
|
|
AbstractDomain* ChartDataSet::createDomain(AbstractDomain::DomainType type)
|
|
|
{
|
|
|
switch (type)
|
|
|
{
|
|
|
case AbstractDomain::LogXLogYDomain:
|
|
|
return new LogXLogYDomain();
|
|
|
case AbstractDomain::XYDomain:
|
|
|
return new XYDomain();
|
|
|
case AbstractDomain::XLogYDomain:
|
|
|
return new XLogYDomain();
|
|
|
case AbstractDomain::LogXYDomain:
|
|
|
return new LogXYDomain();
|
|
|
case AbstractDomain::XYPolarDomain:
|
|
|
return new XYPolarDomain();
|
|
|
case AbstractDomain::XLogYPolarDomain:
|
|
|
return new XLogYPolarDomain();
|
|
|
case AbstractDomain::LogXYPolarDomain:
|
|
|
return new LogXYPolarDomain();
|
|
|
case AbstractDomain::LogXLogYPolarDomain:
|
|
|
return new LogXLogYPolarDomain();
|
|
|
default:
|
|
|
return 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
#include "moc_chartdataset_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
