chart_display::chart_display(chart_dd const& dd)
{
auto _layout = new Wt::WVBoxLayout;
setLayout(_layout);
m_model = new Wt::WStandardItemModel();
auto chart = new Wt::Chart::WCartesianChart{};
chart->setBackground(Wt::WColor(220, 220, 220));
chart->setModel(m_model);
chart->setXSeriesColumn(0);
chart->setLegendEnabled(true);
chart->setType(Wt::Chart::ScatterPlot);
/*
* Provide ample space for the title, the X and Y axis and the legend.
*/
chart->setPlotAreaPadding(40, Wt::Left | Wt::Top | Wt::Bottom);
chart->setPlotAreaPadding(120, Wt::Right);
chart->axis(Wt::Chart::Axis::XAxis).setTitle(dd.x_axis_name);
chart->resize(500, 400);
chart->setMargin(Wt::WLength::Auto, Wt::Left | Wt::Right);
_layout->addWidget(chart);
auto num_series = dd.series.size();
m_model->insertColumns(0, num_series + 1);
std::vector< Wt::Chart::WDataSeries > chart_series;
for(size_t i = 0; i < num_series; ++i)
{
m_model->setHeaderData(i + 1, dd.series[i].name);
chart_series.push_back(Wt::Chart::WDataSeries(i + 1,
Wt::Chart::LineSeries));
// TODO: configurable: Wt::Chart::PointSeries));
}
chart->setSeries(chart_series);
}
void WCartesianChart::init()
{
legendFont_.setFamily(WFont::SansSerif);
legendFont_.setSize(WFont::FixedSize, WLength(10, WLength::Point));
setPalette(new WStandardPalette(WStandardPalette::Muted));
//setPreferredMethod(InlineSvgVml);
#ifdef WT_TARGET_JAVA
for (int i = 0; i < 3; ++i)
axes_[i] = WAxis();
#endif //WT_TARGET_JAVA
axes_[XAxis].init(this, XAxis);
axes_[YAxis].init(this, YAxis);
axes_[Y2Axis].init(this, Y2Axis);
setPlotAreaPadding(40, Left | Right);
setPlotAreaPadding(30, Top | Bottom);
}
