public JRDesignChartDataset transform(DynamicJasperDesign design, String name, JRDesignGroup group, JRDesignGroup parentGroup, Map vars) {
JRDesignXyDataset data = new JRDesignXyDataset(null);
for (Iterator iterator = series.iterator(); iterator.hasNext();) {
JRDesignXySeries serie = new JRDesignXySeries();
AbstractColumn column = (AbstractColumn) iterator.next();
//And use it as value for each bar
JRDesignExpression varExp = getExpressionFromVariable((JRDesignVariable) vars.get(column));
serie.setYValueExpression(varExp);
//The key for each bar
JRExpression exp2 = group.getExpression();
JRDesignExpression exp3;
if (seriesLabels.containsKey(column)) {
exp3 = ExpressionUtils.createAndRegisterExpression(design, "dataset_" + column.getName() + "_" + name, (CustomExpression) seriesLabels.get(column));
}
else {
exp3 = new JRDesignExpression();
exp3.setText("\"" + column.getTitle() + "\"");
}
exp3.setValueClass(String.class);
serie.setXValueExpression(exp2);
serie.setLabelExpression(exp3);
serie.setSeriesExpression(exp3);
data.addXySeries(serie);
}
setResetStyle(data, group, parentGroup);