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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt Charts module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial 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 The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 or (at your option) any later version
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** approved by the KDE Free Qt Foundation. The licenses are as published by
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <private/chartdataset_p.h>
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#include <private/chartpresenter_p.h>
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#include <QtCharts/QChart>
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#include <private/qchart_p.h>
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#include <QtCharts/QValueAxis>
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#include <QtCharts/QBarCategoryAxis>
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#include <private/qvalueaxis_p.h>
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#include <QtCharts/QCategoryAxis>
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#include <private/qabstractseries_p.h>
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#include <QtCharts/QAbstractBarSeries>
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#include <QtCharts/QStackedBarSeries>
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#include <QtCharts/QPercentBarSeries>
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#include <QtCharts/QPieSeries>
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#include <private/chartitem_p.h>
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#include <private/xydomain_p.h>
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#include <private/xypolardomain_p.h>
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#include <private/xlogydomain_p.h>
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#include <private/logxydomain_p.h>
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#include <private/logxlogydomain_p.h>
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#include <private/xlogypolardomain_p.h>
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#include <private/logxypolardomain_p.h>
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#include <private/logxlogypolardomain_p.h>
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#include <private/glxyseriesdata_p.h>
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#ifndef QT_ON_ARM
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#include <QtCharts/QDateTimeAxis>
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#endif
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QT_CHARTS_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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m_glXYSeriesDataManager(new GLXYSeriesDataManager(this))
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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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// Disable OpenGL for series in polar charts
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series->setUseOpenGL(false);
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series->d_ptr->setDomain(new XYPolarDomain());
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// Set the correct domain for upper and lower series too
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if (series->type() == QAbstractSeries::SeriesTypeArea) {
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foreach (QObject *child, series->children()) {
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if (qobject_cast<QAbstractSeries *>(child)) {
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QAbstractSeries *childSeries = qobject_cast<QAbstractSeries *>(child);
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childSeries->d_ptr->setDomain(new XYPolarDomain());
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}
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}
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}
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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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QXYSeries *xySeries = qobject_cast<QXYSeries *>(series);
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if (xySeries)
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m_glXYSeriesDataManager->removeSeries(xySeries);
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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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createAxes(typeX, Qt::Horizontal);
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createAxes(typeY, Qt::Vertical);
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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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} else {
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// Create separate axis for each series
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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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|
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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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|
|
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|
bool ChartDataSet::isZoomedDomain()
|
|
|
{
|
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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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|
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void ChartDataSet::scrollDomain(qreal dx, qreal dy)
|
|
|
{
|
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|
QList<AbstractDomain*> domains;
|
|
|
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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|
|
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foreach(AbstractDomain *domain, domains)
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domain->move(dx, dy);
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|
|
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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)
|
|
|
{
|
|
|
QPointF point;
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|
if (series == 0 && !m_seriesList.isEmpty())
|
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|
series = m_seriesList.first();
|
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|
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|
if (series && series->type() == QAbstractSeries::SeriesTypePie)
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return point;
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|
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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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|
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|
QPointF ChartDataSet::mapToPosition(const QPointF &value, QAbstractSeries *series)
|
|
|
{
|
|
|
QPointF point = m_chart->plotArea().topLeft();
|
|
|
if (series == 0 && !m_seriesList.isEmpty())
|
|
|
series = m_seriesList.first();
|
|
|
|
|
|
if (series && series->type() == QAbstractSeries::SeriesTypePie)
|
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|
return QPoint(0, 0);
|
|
|
|
|
|
bool ok;
|
|
|
if (series && m_seriesList.contains(series))
|
|
|
point += series->d_ptr->m_domain->calculateGeometryPoint(value, ok);
|
|
|
return point;
|
|
|
}
|
|
|
|
|
|
QList<QAbstractAxis *> ChartDataSet::axes() const
|
|
|
{
|
|
|
return m_axisList;
|
|
|
}
|
|
|
|
|
|
QList<QAbstractSeries *> ChartDataSet::series() const
|
|
|
{
|
|
|
return m_seriesList;
|
|
|
}
|
|
|
|
|
|
AbstractDomain::DomainType ChartDataSet::selectDomain(QList<QAbstractAxis *> axes)
|
|
|
{
|
|
|
enum Type {
|
|
|
Undefined = 0,
|
|
|
LogType = 0x1,
|
|
|
ValueType = 0x2
|
|
|
};
|
|
|
|
|
|
int horizontal(Undefined);
|
|
|
int vertical(Undefined);
|
|
|
|
|
|
// Assume cartesian chart type, unless chart is set
|
|
|
QChart::ChartType chartType(QChart::ChartTypeCartesian);
|
|
|
if (m_chart)
|
|
|
chartType = m_chart->chartType();
|
|
|
|
|
|
foreach (QAbstractAxis *axis, axes)
|
|
|
{
|
|
|
switch (axis->type()) {
|
|
|
case QAbstractAxis::AxisTypeLogValue:
|
|
|
if (axis->orientation() == Qt::Horizontal)
|
|
|
horizontal |= LogType;
|
|
|
if (axis->orientation() == Qt::Vertical)
|
|
|
vertical |= LogType;
|
|
|
break;
|
|
|
case QAbstractAxis::AxisTypeValue:
|
|
|
case QAbstractAxis::AxisTypeBarCategory:
|
|
|
case QAbstractAxis::AxisTypeCategory:
|
|
|
case QAbstractAxis::AxisTypeDateTime:
|
|
|
if (axis->orientation() == Qt::Horizontal)
|
|
|
horizontal |= ValueType;
|
|
|
if (axis->orientation() == Qt::Vertical)
|
|
|
vertical |= ValueType;
|
|
|
break;
|
|
|
default:
|
|
|
qWarning() << "Undefined type";
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if (vertical == Undefined)
|
|
|
vertical = ValueType;
|
|
|
if (horizontal == Undefined)
|
|
|
horizontal = ValueType;
|
|
|
|
|
|
if (vertical == ValueType && horizontal == ValueType) {
|
|
|
if (chartType == QChart::ChartTypeCartesian)
|
|
|
return AbstractDomain::XYDomain;
|
|
|
else if (chartType == QChart::ChartTypePolar)
|
|
|
return AbstractDomain::XYPolarDomain;
|
|
|
}
|
|
|
|
|
|
if (vertical == LogType && horizontal == ValueType) {
|
|
|
if (chartType == QChart::ChartTypeCartesian)
|
|
|
return AbstractDomain::XLogYDomain;
|
|
|
if (chartType == QChart::ChartTypePolar)
|
|
|
return AbstractDomain::XLogYPolarDomain;
|
|
|
}
|
|
|
|
|
|
if (vertical == ValueType && horizontal == LogType) {
|
|
|
if (chartType == QChart::ChartTypeCartesian)
|
|
|
return AbstractDomain::LogXYDomain;
|
|
|
else if (chartType == QChart::ChartTypePolar)
|
|
|
return AbstractDomain::LogXYPolarDomain;
|
|
|
}
|
|
|
|
|
|
if (vertical == LogType && horizontal == LogType) {
|
|
|
if (chartType == QChart::ChartTypeCartesian)
|
|
|
return AbstractDomain::LogXLogYDomain;
|
|
|
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"
|
|
|
|
|
|
QT_CHARTS_END_NAMESPACE
|
|
|
|
