ScatterPlotExample::ScatterPlotExample(WContainerWidget *parent):
WContainerWidget(parent)
{
new WText(WString::tr("scatter plot 2"), this);
WStandardItemModel *model = new WStandardItemModel(40, 2, this);
model->setItemPrototype(new NumericItem());
model->setHeaderData(0, WString("X"));
model->setHeaderData(1, WString("Y = sin(X)"));
for (unsigned i = 0; i < 40; ++i) {
double x = (static_cast<double>(i) - 20) / 4;
model->setData(i, 0, x);
model->setData(i, 1, sin(x));
}
/*
* Create the scatter plot.
*/
WCartesianChart *chart = new WCartesianChart(this);
chart->setModel(model); // set the model
chart->setXSeriesColumn(0); // set the column that holds the X data
chart->setLegendEnabled(true); // enable the legend
chart->setType(ScatterPlot); // set type to ScatterPlot
// Typically, for mathematical functions, you want the axes to cross
// at the 0 mark:
chart->axis(XAxis).setLocation(ZeroValue);
chart->axis(YAxis).setLocation(ZeroValue);
// Automatically layout chart (space for axes, legend, ...)
chart->setAutoLayoutEnabled();
// Add the curves
WDataSeries s(1, CurveSeries);
s.setShadow(WShadow(3, 3, WColor(0, 0, 0, 127), 3));
chart->addSeries(s);
chart->resize(800, 300); // WPaintedWidget must be given explicit size
chart->setMargin(10, Top | Bottom); // add margin vertically
chart->setMargin(WLength::Auto, Left | Right); // center horizontally
ChartConfig *config = new ChartConfig(chart, this);
config->setValueFill(ZeroValueFill);
}
PieExample::PieExample(WContainerWidget *parent):
WContainerWidget(parent)
{
new WText(WString::tr("pie chart"), this);
WStandardItemModel *model = new WStandardItemModel(this);
model->setItemPrototype(new NumericItem());
//headers
model->insertColumns(model->columnCount(), 2);
model->setHeaderData(0, WString("Item"));
model->setHeaderData(1, WString("Sales"));
//data
model->insertRows(model->rowCount(), 6);
int row = 0;
model->setData(row, 0, WString("Blueberry"));
model->setData(row, 1, 120);
// model->setData(row, 1, WString("Blueberry"), ToolTipRole);
row++;
model->setData(row, 0, WString("Cherry"));
model->setData(row, 1, 30);
row++;
model->setData(row, 0, WString("Apple"));
model->setData(row, 1, 260);
row++;
model->setData(row, 0, WString("Boston Cream"));
model->setData(row, 1, 160);
row++;
model->setData(row, 0, WString("Other"));
model->setData(row, 1, 40);
row++;
model->setData(row, 0, WString("Vanilla Cream"));
model->setData(row, 1, 120);
row++;
//set all items to be editable and selectable
for (int row = 0; row < model->rowCount(); ++row)
for (int col = 0; col < model->columnCount(); ++col)
model->item(row, col)->setFlags(ItemIsSelectable | ItemIsEditable);
WContainerWidget *w = new WContainerWidget(this);
WTableView* table = new WTableView(w);
table->setMargin(10, Top | Bottom);
table->setMargin(WLength::Auto, Left | Right);
table->setSortingEnabled(true);
table->setModel(model);
table->setColumnWidth(1, 100);
table->setRowHeight(22);
if (WApplication::instance()->environment().ajax()) {
table->resize(150 + 100 + 14, 20 + 6 * 22);
table->setEditTriggers(WAbstractItemView::SingleClicked);
} else {
table->resize(150 + 100 + 14, WLength::Auto);
table->setEditTriggers(WAbstractItemView::NoEditTrigger);
}
/*
* Create the pie chart.
*/
WPieChart *chart = new WPieChart(this);
chart->setModel(model); // set the model
chart->setLabelsColumn(0); // set the column that holds the labels
chart->setDataColumn(1); // set the column that holds the data
// configure location and type of labels
chart->setDisplayLabels(Outside | TextLabel | TextPercentage);
// enable a 3D and shadow effect
chart->setPerspectiveEnabled(true, 0.2);
chart->setShadowEnabled(true);
// explode the first item
chart->setExplode(0, 0.3);
chart->resize(800, 300); // WPaintedWidget must be given an explicit size
chart->setMargin(10, Top | Bottom); // add margin vertically
chart->setMargin(WLength::Auto, Left | Right); // center horizontally
}
