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Fix to domain initialization when log base was preset on axis before adding it to chart
Fix to domain initialization when log base was preset on axis before adding it to chart

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r2110:a93a773ef512
r2295:8468c10170a2
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main.cpp
113 lines | 3.8 KiB | text/x-c | CppLexer
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QApplication>
#include <QMainWindow>
#include <QChartView>
#include <QBarSet>
#include <QLegend>
#include "drilldownseries.h"
#include "drilldownchart.h"
QTCOMMERCIALCHART_USE_NAMESPACE
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QMainWindow window;
//! [1]
DrilldownChart *drilldownChart = new DrilldownChart();
drilldownChart->setTheme(QChart::ChartThemeBlueIcy);
drilldownChart->setAnimationOptions(QChart::SeriesAnimations);
//! [1]
//! [2]
// Define categories
QStringList months;
months << "May" << "Jun" << "Jul" << "Aug" << "Sep";
QStringList weeks;
weeks << "week 1" << "week 2" << "week 3" << "week 4";
QStringList plants;
plants << "Habanero" << "Lemon Drop" << "Starfish" << "Aji Amarillo";
//! [2]
//! [3]
// Create drilldown structure
DrilldownBarSeries *seasonSeries = new DrilldownBarSeries(months, drilldownChart);
seasonSeries->setName("Crop by month - Season");
// Each month in season series has drilldown series for weekly data
for (int month = 0; month < months.count(); month++) {
// Create drilldown series for every week
DrilldownBarSeries *weeklySeries = new DrilldownBarSeries(weeks, drilldownChart);
seasonSeries->mapDrilldownSeries(month, weeklySeries);
// Drilling down from weekly data brings us back to season data.
for (int week = 0; week < weeks.count(); week++) {
weeklySeries->mapDrilldownSeries(week, seasonSeries);
weeklySeries->setName(QString("Crop by week - " + months.at(month)));
}
// Use clicked signal to implement drilldown
QObject::connect(weeklySeries, SIGNAL(clicked(int,QBarSet*)), drilldownChart, SLOT(handleClicked(int,QBarSet*)));
}
// Enable drilldown from season series using clicked signal
QObject::connect(seasonSeries, SIGNAL(clicked(int,QBarSet*)), drilldownChart, SLOT(handleClicked(int,QBarSet*)));
//! [3]
//! [4]
// Fill monthly and weekly series with data
foreach (QString plant, plants) {
QBarSet *monthlyCrop = new QBarSet(plant);
for (int month = 0; month < months.count(); month++) {
QBarSet *weeklyCrop = new QBarSet(plant);
for (int week = 0; week < weeks.count(); week++)
*weeklyCrop << (qrand() % 20);
// Get the drilldown series from season series and add crop to it.
seasonSeries->drilldownSeries(month)->append(weeklyCrop);
*monthlyCrop << weeklyCrop->sum();
}
seasonSeries->append(monthlyCrop);
}
//! [4]
//! [5]
// Show season series in initial view
drilldownChart->changeSeries(seasonSeries);
drilldownChart->setTitle(seasonSeries->name());
//! [5]
//! [6]
drilldownChart->axisX()->setGridLineVisible(false);
drilldownChart->legend()->setVisible(true);
drilldownChart->legend()->setAlignment(Qt::AlignBottom);
//! [6]
QChartView *chartView = new QChartView(drilldownChart);
window.setCentralWidget(chartView);
window.resize(400, 300);
window.show();
return a.exec();
}