| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Charts module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
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| ** GNU General Public License Usage |
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| ** General Public License version 3 or (at your option) any later version |
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| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
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| ****************************************************************************/ |
| |
| #include "drilldownchart.h" |
| #include <QtCharts/QBarCategoryAxis> |
| #include <QtCharts/QValueAxis> |
| |
| QT_CHARTS_USE_NAMESPACE |
| |
| DrilldownChart::DrilldownChart(QGraphicsItem *parent, Qt::WindowFlags wFlags) |
| : QChart(QChart::ChartTypeCartesian, parent, wFlags), |
| m_currentSeries(0), |
| m_axisX(new QBarCategoryAxis()), |
| m_axisY(new QValueAxis()) |
| { |
| addAxis(m_axisY, Qt::AlignLeft); |
| addAxis(m_axisX, Qt::AlignBottom); |
| } |
| |
| void DrilldownChart::changeSeries(DrilldownBarSeries *series) |
| { |
| if (m_currentSeries) |
| removeSeries(m_currentSeries); |
| |
| m_currentSeries = series; |
| |
| // Reset axis |
| m_axisX->setCategories(m_currentSeries->categories()); |
| addSeries(series); |
| series->attachAxis(m_axisX); |
| series->attachAxis(m_axisY); |
| m_axisY->setRange(0,m_currentSeries->maxValue()); |
| setTitle(series->name()); |
| } |
| |
| void DrilldownChart::handleClicked(int index, QBarSet *barset) |
| { |
| Q_UNUSED(barset) |
| DrilldownBarSeries *series = static_cast<DrilldownBarSeries *>(sender()); |
| changeSeries(series->drilldownSeries(index)); |
| } |
| |
| #include "moc_drilldownchart.cpp" |