70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
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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 "drilldownchart.h"
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#include <QtCharts/QBarCategoryAxis>
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#include <QtCharts/QValueAxis>
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QT_CHARTS_USE_NAMESPACE
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DrilldownChart::DrilldownChart(QGraphicsItem *parent, Qt::WindowFlags wFlags)
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: QChart(QChart::ChartTypeCartesian, parent, wFlags),
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m_currentSeries(0),
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m_axisX(new QBarCategoryAxis()),
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m_axisY(new QValueAxis())
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{
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addAxis(m_axisY, Qt::AlignLeft);
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addAxis(m_axisX, Qt::AlignBottom);
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}
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void DrilldownChart::changeSeries(DrilldownBarSeries *series)
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{
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if (m_currentSeries)
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removeSeries(m_currentSeries);
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m_currentSeries = series;
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// Reset axis
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m_axisX->setCategories(m_currentSeries->categories());
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addSeries(series);
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series->attachAxis(m_axisX);
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series->attachAxis(m_axisY);
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m_axisY->setRange(0,m_currentSeries->maxValue());
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setTitle(series->name());
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}
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void DrilldownChart::handleClicked(int index, QBarSet *barset)
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{
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Q_UNUSED(barset)
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DrilldownBarSeries *series = static_cast<DrilldownBarSeries *>(sender());
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changeSeries(series->drilldownSeries(index));
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}
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#include "moc_drilldownchart.cpp"
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