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index.zulzul<zk>
<grid id="groupGrid" height="600px" apply="pkg$.GroupModelCtrl">
<columns>
<column label="id" sort="auto(id)" />
<column label="name" sort="auto(name)" />
<column label="age" sort="auto(age)" />
</columns>
</grid>
</zk>GroupModelCtrl.javajavaimport org.zkoss.zk.ui.*;
import org.zkoss.zk.ui.event.*;
import org.zkoss.zk.ui.util.*;
import org.zkoss.zk.ui.ext.*;
import org.zkoss.zk.au.*;
import org.zkoss.zk.au.out.*;
import org.zkoss.zul.*;
import java.util.*;
public class GroupModelCtrl extends GenericForwardComposer {
//auto wire component as member fields
private Grid groupGrid;
private List<Person> personList = getPersonList();
private PersonComparator comparator = new PersonComparator();
public void doAfterCompose(Component comp) throws Exception {
super.doAfterCompose(comp);
//set group model
CustomGroupsModelArray groupModel = new CustomGroupsModelArray(personList.toArray(), comparator, 1);
groupGrid.setModel(groupModel);
//set group item renderer
groupGrid.setRowRenderer(new PersonGroupRenderer());
}
private List<Person> getPersonList() {
List<Person> list = new ArrayList<Person>();
for (int i=0; i<10; i++)
list.add(new Person(i, "America", "name"+(i+1), 19));
for (int i=10; i<23; i++)
list.add(new Person(i, "Canada", "name"+(i+1), 30));
for (int i=23; i<38; i++)
list.add(new Person(i, "Taiwan", "name"+(i+1), 24));
return list;
}
}
CustomGroupsModelArray.javajavaimport java.util.Comparator;
import org.zkoss.zul.GroupsModelArray;
public class CustomGroupsModelArray extends GroupsModelArray {
public CustomGroupsModelArray(Object[] data, Comparator cmpr) {
super(data, cmpr);
}
public CustomGroupsModelArray(Object[] data, Comparator cmpr, int col) {
super(data, cmpr, col);
}
protected Object createGroupHead(Object[] groupdata, int index, int col) {
return new Object[] { groupdata[0], col, groupdata.length };
}
}
Person.javajavapublic class Person {
private Integer id;
private String nation;
private String name;
private Integer age;
private String serial;
public Person() {}
public Person(String nation) {
this.nation = nation;
this.age = null;
}
public Person(Integer id, String nation, String name, Integer age) {
this.id = id;
this.nation = nation;
this.name = name;
this.age = age;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getNation() {
return nation;
}
public void setNation(String nation) {
this.nation = nation;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
}
PersonComparator.javajavaimport java.util.Comparator;
public class PersonComparator implements Comparator<Person> {
public int compare(Person p1, Person p2) {
return p1.getNation().compareTo(p2.getNation());
}
}PersonGroupRenderer.javajavaimport java.text.SimpleDateFormat;
import java.util.Date;
import org.zkoss.zul.Group;
import org.zkoss.zul.Label;
import org.zkoss.zul.Row;
import org.zkoss.zul.RowRenderer;
public class PersonGroupRenderer implements RowRenderer {
public void render(Row row, Object data, int index) throws Exception {
if (row instanceof Group) {
Object[] datas = (Object[]) data;
Person person = (Person) datas[0];
Label groupLabel = new Label();
Label countLabel = new Label("Total Size:" + datas[2].toString()); // item size information
SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
Label timestampLabel = new Label(sdf.format(new Date())); // Timestamp information
switch (Integer.parseInt(datas[1].toString())) {
case 0:
groupLabel.setValue(String.valueOf(person.getId()));
break;
case 1:
groupLabel.setValue(person.getNation());
break;
case 2:
groupLabel.setValue(person.getName());
break;
case 3:
groupLabel.setValue(String.valueOf(person.getAge()));
break;
default:
groupLabel.setValue(person.getNation());
break;
}
row.appendChild(groupLabel);
row.appendChild(countLabel); // add item size information here
row.appendChild(timestampLabel); // add Timestamp information
} else {
Person person = (Person) data;
row.setValue(person);
new Label(String.valueOf(person.getId())).setParent(row);
new Label(person.getName()).setParent(row);
new Label(String.valueOf(person.getAge())).setParent(row);
}
}
}