drilldownchart.cpp
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| 2.2 KiB
| text/x-c
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CppLexer
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r0 | /**************************************************************************** | ||
** | ||||
** 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 | ||||
** Licensees holding valid commercial Qt licenses may use this file in | ||||
** accordance with the commercial license agreement provided with the | ||||
** Software or, alternatively, in accordance with the terms contained in | ||||
** a written agreement between you and The Qt Company. For licensing terms | ||||
** and conditions see https://www.qt.io/terms-conditions. For further | ||||
** information use the contact form at https://www.qt.io/contact-us. | ||||
** | ||||
** GNU General Public License Usage | ||||
** Alternatively, this file may be used under the terms of the GNU | ||||
** General Public License version 3 or (at your option) any later version | ||||
** approved by the KDE Free Qt Foundation. The licenses are as published by | ||||
** the Free Software Foundation and appearing in the file LICENSE.GPL3 | ||||
** included in the packaging of this file. Please review the following | ||||
** information to ensure the GNU General Public License requirements will | ||||
** be met: https://www.gnu.org/licenses/gpl-3.0.html. | ||||
** | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
#include "drilldownchart.h" | ||||
#include <QtCharts/QBarCategoryAxis> | ||||
QT_CHARTS_USE_NAMESPACE | ||||
DrilldownChart::DrilldownChart(QGraphicsItem *parent, Qt::WindowFlags wFlags) | ||||
: QChart(QChart::ChartTypeCartesian, parent, wFlags), | ||||
m_currentSeries(0) | ||||
{ | ||||
} | ||||
void DrilldownChart::changeSeries(DrilldownBarSeries *series) | ||||
{ | ||||
if (m_currentSeries) { | ||||
removeSeries(m_currentSeries); | ||||
} | ||||
m_currentSeries = series; | ||||
// Reset axis | ||||
QBarCategoryAxis *axis = new QBarCategoryAxis(); | ||||
axis->append(m_currentSeries->categories()); | ||||
addSeries(series); | ||||
createDefaultAxes(); | ||||
setAxisX(axis, series); | ||||
axisY()->setTitleText("Crops"); | ||||
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" | ||||