1 files changed, 54 insertions, 0 deletions
diff --git a/examples/charts/piechartdrilldown/drilldownchart.cpp b/examples/charts/piechartdrilldown/drilldownchart.cpp
new file mode 100644
index 00000000..b326472c
--- /dev/null
+++ b/examples/charts/piechartdrilldown/drilldownchart.cpp
@@ -0,0 +1,54 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 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 Enterprise Charts Add-on.
+**
+** $QT_BEGIN_LICENSE$
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise 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 "drilldownchart.h"
+#include "drilldownslice.h"
+
+QT_CHARTS_USE_NAMESPACE
+
+DrilldownChart::DrilldownChart(QGraphicsItem *parent, Qt::WindowFlags wFlags)
+    : QChart(QChart::ChartTypeCartesian, parent, wFlags),
+      m_currentSeries(0)
+{
+
+}
+
+DrilldownChart::~DrilldownChart()
+{
+
+}
+
+void DrilldownChart::changeSeries(QAbstractSeries *series)
+{
+    // NOTE: if the series is owned by the chart it will be deleted
+    // here the "window" owns the series...
+    if (m_currentSeries)
+        removeSeries(m_currentSeries);
+    m_currentSeries = series;
+    addSeries(series);
+    setTitle(series->name());
+}
+
+void DrilldownChart::handleSliceClicked(QPieSlice *slice)
+{
+    DrilldownSlice *drilldownSlice = static_cast<DrilldownSlice *>(slice);
+    changeSeries(drilldownSlice->drilldownSeries());
+}
+
+#include "moc_drilldownchart.cpp"