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Description & Source Code

ZK allows using EL to iterate through a collection and renders values stored in each element onto the Grid component.
A row is created automatically for each iteration.

iterative_renderer.zul
<zk>
	<style src="/widgets/grid/iterative_renderer/style.css" />
	<div apply="demo.grid.iterative_renderer.IterativeRendererController">
		<grid id="demoGrid" model="${$composer.languageContributors}">
			<auxhead>
				<auxheader
					label="Contributor of ZK International Message(Part)" colspan="4" />
			</auxhead>
			<columns>
				<column hflex="4">Language</column>
				<column hflex="5">Contributor</column>
				<column hflex="2">Charset</column>
				<column hflex="3">Like</column>
			</columns>
			<rows sclass="narrow"/>
			<template name="model">
				<row>
					<label value="${each.language}" />
					<label value="${each.name}" />
					<label value="${each.charset}" />
					<div>
						<button image="/images/thumb-up.png"/>
					</div>
				</row>
			</template>
		</grid>
	</div>
</zk>
IterativeRendererController.java
package demo.grid.iterative_renderer;

import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.select.SelectorComposer;
import org.zkoss.zk.ui.select.annotation.Listen;
import org.zkoss.zul.Button;
import org.zkoss.zul.Label;
import org.zkoss.zul.ListModel;
import org.zkoss.zul.ListModelList;

import demo.data.ContributorData;
import demo.data.pojo.LanguageContribution;

public class IterativeRendererController extends SelectorComposer<Component> {
	private static final long serialVersionUID = 1L;
	
	ListModel<LanguageContribution> languageContributors = 
			new ListModelList<LanguageContribution>(new ContributorData().getLanguageContributors());

	public ListModel<LanguageContribution> getLanguageContributors() {
		return languageContributors;
	}
	
	@Listen("onClick = button")
	public void doThumbUp(Event event){
		Button btn = (Button)event.getTarget();
		btn.getParent().appendChild(new Label("Thumbs Up!!!"));
		btn.setDisabled(true);
	}
}
ContributorData.java
package demo.data;

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

import demo.data.pojo.Contributor;
import demo.data.pojo.LanguageContribution;

public class ContributorData {

	private List<String> titles = new ArrayList<String>();
	private List<Contributor> contributors = new ArrayList<Contributor>();
	private List<LanguageContribution> languageContributions = new ArrayList<LanguageContribution>();

	public ContributorData() {
		titles.add("Code");
		titles.add("Bug");
		titles.add("Docs");
		titles.add("Arts");

		contributors.add(new Contributor("Kaleb", "Leonel", titles.get(0).toString(), 321));
		contributors.add(new Contributor("Balu", "Haben", titles.get(0).toString(), 321));
		contributors.add(new Contributor("Trey", "Wyatt", titles.get(0).toString(), 323));
		contributors.add(new Contributor("Balu", "Chen", titles.get(0).toString(), 324));
		contributors.add(new Contributor("Terry", "Tornado", titles.get(0).toString(), 711));
		contributors.add(new Contributor("Jesse", "Miles", titles.get(1).toString(), 712));
		contributors.add(new Contributor("Sadira", "Jobs", titles.get(1).toString(), 713));
		contributors.add(new Contributor("Jaquan", "Frederick", titles.get(2).toString(), 451));
		contributors.add(new Contributor("Avery", "Katrina", titles.get(2).toString(), 453));
		contributors.add(new Contributor("Heidi", "Nikolas", titles.get(2).toString(), 455));
		contributors.add(new Contributor("Katelyn", "Clara", titles.get(2).toString(), 457));
		contributors.add(new Contributor("Branden", "Shane", titles.get(2).toString(), 459));
		contributors.add(new Contributor("Dacey", "Obert", titles.get(2).toString(), 450));
		contributors.add(new Contributor("Julianna", "Allison", titles.get(3).toString(), 643));
		contributors.add(new Contributor("Rachel", "Elisabeth", titles.get(3).toString(), 644));
		contributors.add(new Contributor("Clarissa", "Francesca", titles.get(3).toString(), 645));
		contributors.add(new Contributor("Gabby", "Taffy", titles.get(3).toString(), 646));
		
		languageContributions.add(new LanguageContribution("Arabic (ar)", "Ayman Elgharabawy", "iso-8859-6"));
		languageContributions.add(new LanguageContribution("Hungarian (hu)", "Andreas Klein", "iso-8859-2"));
		languageContributions.add(new LanguageContribution("Italian (it)", "Matteo Barbieri", "iso-8859-1"));
		languageContributions.add(new LanguageContribution("Indonesian (id)", "James Liam Supangkat", "iso-8859-1"));
		languageContributions.add(new LanguageContribution("Japanese (ja)", "Poli Lee", " iso-2022-jp"));
		languageContributions.add(new LanguageContribution("Korean (ko)", "Deok-su Lee", "euc-kr"));
		languageContributions.add(new LanguageContribution("Dutch (nl)", "Wido Jansen", "iso-8859-1"));
		languageContributions.add(new LanguageContribution("Portuguese (pt)", "Airton Carrara", "iso-8859-1"));
		languageContributions.add(new LanguageContribution("Brazilian Portugese (pt_BR)", "Airton Carrara", "iso-8859-1"));
		languageContributions.add(new LanguageContribution("Romanian (ro)", "Calin Vaida", "iso-8859-2"));
		languageContributions.add(new LanguageContribution("Russian (ru)", "Denis Yarkovoy", "iso-8859-1"));
		languageContributions.add(new LanguageContribution("French (fr)", "Jêrôme Vergereau", "iso-8859-1"));
		languageContributions.add(new LanguageContribution("Spanish (es)", "Daniel Octavio Ruiz Rodriguez", "iso-8859-1"));
		languageContributions.add(new LanguageContribution("German (de)", "H.-Dirk Schmitt", "iso-8859-1"));
		languageContributions.add(new LanguageContribution("Czech (cs)", "Pavel Mica", "iso-8859-2"));
		languageContributions.add(new LanguageContribution("Catalan (ca)", "Xavier Covas O'Ryan", "iso-8859-1"));
		languageContributions.add(new LanguageContribution("Bulgarian (bg) ", "Boril Yonchev", "iso-8859-5"));
		languageContributions.add(new LanguageContribution("Ukrainian (uk)", "Denis Yarkovoy", "iso-8859-5"));
		languageContributions.add(new LanguageContribution("Turkish (tr)", "Kursat Kurt", "iso-8859-9"));
		languageContributions.add(new LanguageContribution("Swedish (sv)", "Easit AB", "iso-8859-1"));
		languageContributions.add(new LanguageContribution("Slovenian (sl) ", "Ziga", "iso-8859-2"));
	}

	public List<String> getTitles() {
		return titles;
	}

	public List<Contributor> getContributors() {
		return contributors;
	}

	public List<LanguageContribution> getLanguageContributors() {
		return languageContributions;
	}

}
LanguageContribution.java
package demo.data.pojo;

public class LanguageContribution {
	private String language, name, charset;

	public LanguageContribution(String language, String name, String charset) {
		this.language = language;
		this.name = name;
		this.charset = charset;
	}
	
	public String getLanguage() {
		return language;
	}

	public void setLanguage(String language) {
		this.language = language;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getCharset() {
		return charset;
	}

	public void setCharset(String charset) {
		this.charset = charset;
	}
}