public static ScatterPlot demo(String data, String xfield, String yfield, String sfield) {
Table table = null;
try {
table = new DelimitedTextTableReader().readTable(data);
} catch (Exception e) {
e.printStackTrace();
return null;
}
ScatterPlot scatter = new ScatterPlot(table, xfield, yfield, sfield);
scatter.setPointSize(10);
return scatter;
}
private static JToolBar getEncodingToolbar(
final ScatterPlot sp, final String xfield, final String yfield, final String sfield) {
int spacing = 10;
// create list of column names
Table t = (Table) sp.getVisualization().getSourceData(group);
String[] colnames = new String[t.getColumnCount()];
for (int i = 0; i < colnames.length; ++i) colnames[i] = t.getColumnName(i);
// create toolbar that allows visual mappings to be changed
JToolBar toolbar = new JToolBar();
toolbar.setLayout(new BoxLayout(toolbar, BoxLayout.X_AXIS));
toolbar.add(Box.createHorizontalStrut(spacing));
final JComboBox xcb = new JComboBox(colnames);
xcb.setSelectedItem(xfield);
xcb.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
Visualization vis = sp.getVisualization();
AxisLayout xaxis = (AxisLayout) vis.getAction("x");
xaxis.setDataField((String) xcb.getSelectedItem());
vis.run("draw");
}
});
toolbar.add(new JLabel("X: "));
toolbar.add(xcb);
toolbar.add(Box.createHorizontalStrut(2 * spacing));
final JComboBox ycb = new JComboBox(colnames);
ycb.setSelectedItem(yfield);
ycb.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
Visualization vis = sp.getVisualization();
AxisLayout yaxis = (AxisLayout) vis.getAction("y");
yaxis.setDataField((String) ycb.getSelectedItem());
vis.run("draw");
}
});
toolbar.add(new JLabel("Y: "));
toolbar.add(ycb);
toolbar.add(Box.createHorizontalStrut(2 * spacing));
final JComboBox scb = new JComboBox(colnames);
scb.setSelectedItem(sfield);
scb.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
Visualization vis = sp.getVisualization();
DataShapeAction s = (DataShapeAction) vis.getAction("shape");
s.setDataField((String) scb.getSelectedItem());
vis.run("draw");
}
});
toolbar.add(new JLabel("Shape: "));
toolbar.add(scb);
toolbar.add(Box.createHorizontalStrut(spacing));
toolbar.add(Box.createHorizontalGlue());
return toolbar;
}