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Clone from http://code.qt.io/qt/qtcharts.git

Refactor piechartdrilldown example a bit
Jani Honkonen -
r408:e1c298a209aa
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@@ -29,7 +29,7 public Q_SLOTS:
29 void updateLabel()
29 void updateLabel()
30 {
30 {
31 QString label = m_prefix;
31 QString label = m_prefix;
32 label += " - " + QString::number(this->value())+ "e (";
32 label += " " + QString::number(this->value())+ "e (";
33 label += QString::number(this->percentage()*100, 'f', 1) + "%)";
33 label += QString::number(this->percentage()*100, 'f', 1) + "%)";
34 setLabel(label);
34 setLabel(label);
35 }
35 }
@@ -83,34 +83,22 int main(int argc, char *argv[])
83
83
84 QList<QString> months;
84 QList<QString> months;
85 months << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun" << "Jul" << "Aug" << "Sep" << "Oct" << "Nov" << "Dec";
85 months << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun" << "Jul" << "Aug" << "Sep" << "Oct" << "Nov" << "Dec";
86 QList<QString> names;
87 names << "Jane" << "John" << "Axel" << "Mary" << "Samantha" << "Bob";
86
88
87 int max = 1000;
89 foreach (QString name, names) {
90 QPieSeries* series = new QPieSeries(drilldownChart);
91 series->setTitle("Sales by month - " + name);
92 series->setHoverHighlighting();
88
93
89 QPieSeries* monthSeriesJane = new QPieSeries(drilldownChart);
90 monthSeriesJane->setTitle("Sales by month - Jane");
91 monthSeriesJane->setHoverHighlighting();
92 foreach (QString month, months)
94 foreach (QString month, months)
93 *monthSeriesJane << new DrilldownSlice(qrand() % max, month, yearSeries);
95 *series << new DrilldownSlice(qrand() % 1000, month, yearSeries);
94
96
95 QPieSeries* monthSeriesJohn = new QPieSeries(drilldownChart);
97 QObject::connect(series, SIGNAL(clicked(QPieSlice*)), drilldownChart, SLOT(handleSliceClicked(QPieSlice*)));
96 monthSeriesJohn->setTitle("Sales by month - John");
97 monthSeriesJohn->setHoverHighlighting();
98 foreach (QString month, months)
99 *monthSeriesJohn << new DrilldownSlice(qrand() % max, month, yearSeries);
100
101 QPieSeries* monthSeriesAxel = new QPieSeries(drilldownChart);
102 monthSeriesAxel->setTitle("Sales by month - Axel");
103 monthSeriesAxel->setHoverHighlighting();
104 foreach (QString month, months)
105 *monthSeriesAxel << new DrilldownSlice(qrand() % max, month, yearSeries);
106
98
107 *yearSeries << new DrilldownSlice(monthSeriesJane->total(), "Jane", monthSeriesJane);
99 *yearSeries << new DrilldownSlice(series->total(), name, series);
108 *yearSeries << new DrilldownSlice(monthSeriesJohn->total(), "John", monthSeriesJohn);
100 }
109 *yearSeries << new DrilldownSlice(monthSeriesAxel->total(), "Axel", monthSeriesAxel);
110
101
111 QObject::connect(monthSeriesJane, SIGNAL(clicked(QPieSlice*)), drilldownChart, SLOT(handleSliceClicked(QPieSlice*)));
112 QObject::connect(monthSeriesJohn, SIGNAL(clicked(QPieSlice*)), drilldownChart, SLOT(handleSliceClicked(QPieSlice*)));
113 QObject::connect(monthSeriesAxel, SIGNAL(clicked(QPieSlice*)), drilldownChart, SLOT(handleSliceClicked(QPieSlice*)));
114 QObject::connect(yearSeries, SIGNAL(clicked(QPieSlice*)), drilldownChart, SLOT(handleSliceClicked(QPieSlice*)));
102 QObject::connect(yearSeries, SIGNAL(clicked(QPieSlice*)), drilldownChart, SLOT(handleSliceClicked(QPieSlice*)));
115
103
116 drilldownChart->changeSeries(yearSeries);
104 drilldownChart->changeSeries(yearSeries);
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