<?xml version="1.0" encoding="UTF-8"?>



<window apply="demo.bar.ColumnNegativeComposer">
	<charts id="chart" type="column" title="Column chart with negative values"/>
</window>

package demo.bar;

import org.zkoss.chart.Charts;
import org.zkoss.chart.Series;
import org.zkoss.zk.ui.select.SelectorComposer;
import org.zkoss.zk.ui.select.annotation.Wire;
import org.zkoss.zul.Window;


public class ColumnNegativeComposer extends SelectorComposer<Window> {

	@Wire
	Charts chart;
	
	public void doAfterCompose(Window comp) throws Exception {
		super.doAfterCompose(comp);
		chart.getXAxis().setCategories("Apples", "Oranges", "Pears", "Grapes", "Bananas");

		chart.getPlotOptions().getColumn().setBorderRadius("25%");

		chart.getCredits().setEnabled(false);

		Series series0 = chart.getSeries(0);
		series0.setName("John");
		series0.setData(5, 3, 4, 7, 2);

		Series series1 = chart.getSeries(1);
		series1.setName("Jane");
		series1.setData(2, -2, -3, 2, 1);

		Series series2 = chart.getSeries(2);
		series2.setName("Joe");
		series2.setData(3, 4, 4, -2, 5);
	}
}