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



<window apply="demo.bar.ColumnParsedComposer">
	<charts id="chart" type="column"
		title="Data extracted from a ZK grid model"/>
	<grid model="${$composer.foods}" hflex="min">
		<columns>
			<column label="" width="80px" />
			<column width="80px" forEach="${$composer.people}" label="${each}"/>
		</columns>
		<template name="model">
			<row>
				<label value="${each.name}"/>
				<label forEach="${each.units}" value="${each}"/>
			</row>
		</template>
	</grid>
</window>

package demo.bar;

import java.util.List;

import org.zkoss.chart.Charts;
import org.zkoss.chart.model.CategoryModel;
import org.zkoss.chart.model.DefaultCategoryModel;
import org.zkoss.zk.ui.select.SelectorComposer;
import org.zkoss.zk.ui.select.annotation.Wire;
import org.zkoss.zul.ListModel;
import org.zkoss.zul.ListModelList;
import org.zkoss.zul.Window;


public class ColumnParsedComposer extends SelectorComposer<Window> {

	@Wire
	Charts chart;
	
	public void doAfterCompose(Window comp) throws Exception {
		super.doAfterCompose(comp);
		
		chart.getYAxis().setAllowDecimals(false);
		chart.getYAxis().getTitle().setText("Units");
		
		CategoryModel catemodel = new DefaultCategoryModel();
		for (Food food : ColumnParsedData.getFoods()) {
			List<Integer> units = food.getUnits();
			for (int i = 0; i < units.size(); ++i) {
				catemodel.setValue(getPeople().get(i), food.getName(), units.get(i));
			}
		}
		chart.setModel(catemodel);
	}
	
	public ListModel<Food> getFoods() {
		return new ListModelList<Food>(ColumnParsedData.getFoods(), true);
	}
	
	public List<String> getPeople() {
		return ColumnParsedData.getPeople();
	}
}

package demo.bar;

import java.util.Arrays;
import java.util.ArrayList;
import java.util.List;


public class ColumnParsedData {
    private static final List<Food> foods;
    static {
		foods = new ArrayList<Food>();
		foods.add(new Food("Apple", 3, 4));
		foods.add(new Food("Pears", 2, 0));
		foods.add(new Food("Plums", 5, 11));
		foods.add(new Food("Bananas", 1, 1));
		foods.add(new Food("Oranges", 2, 4));
    }

    public static List<Food> getFoods() {
    	return foods;
    }

    public static List<String> getPeople() {
    	return Arrays.asList("Jane", "John");
    }
}