我是新來的Wicket。在閱讀Wicket文檔之後,我決定使用數據表創建一個表。不過,我真的需要一些幫助。我怎樣才能使表中的行在數據表中可擴展?這是真的,這不能在數據表中完成,我必須切換到重複查看?如何在wicket數據表中啓用可擴展行?
HTML代碼
<!DOCTYPE html>
<html lang="en"
xml:lang="en"
xmlns:wicket="http://wicket.apache.org>
<head>
<title> Wicket test </title>
</head>
<body>
<table cellspacing="0" wicket:id="table"></table>
</body>
</html>
Java代碼的
import java.util.ArrayList;
import java.util.List;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.extensions.markup.html.repeater.data.table.DefaultDataTable;
import org.apache.wicket.extensions.markup.html.repeater.data.table.IColumn;
import org.apache.wicket.extensions.markup.html.repeater.data.table.PropertyColumn;
import org.apache.wicket.model.Model;
public class TestPage extends WebPage {
public TestPage() {
final UserProvider userProvider = new UserProvider();
List<IColumn<UserProvider.Contact, String>> columns = new ArrayList<IColumn<UserProvider.Contact, String>>(2);
columns.add(new PropertyColumn<UserProvider.Contact, String>(new Model<String>("First Name"), "name.first", "name.first"));
columns.add(new PropertyColumn<UserProvider.Contact, String>(new Model<String>("Last Name"), "name.last", "name.last"));
DefaultDataTable<UserProvider.Contact, String> dataTable = new DefaultDataTable<UserProvider.Contact, String>("table", columns, userProvider, 10);
add(dataTable);
}
}
Java代碼UserProvider
import java.util.*;
import java.io.Serializable;
import org.apache.wicket.extensions.markup.html.repeater.data.sort.SortOrder;
import org.apache.wicket.extensions.markup.html.repeater.util.SortableDataProvider;
import org.apache.wicket.model.AbstractReadOnlyModel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.PropertyModel;
public Class UserProvider extends SortableDataProvider {
class SortableDataProviderComparator implements Comparator<Contact>, Serializable {
public int compare(final Contact o1, final Contact o2) {
PropertyModel<Comparable> model1 = new PropertyModel<Comparable>(o1, (String) getSort().getProperty());
PropertyModel<Comparable> model2 = new PropertyModel<Comparable>(o2, (String) getSort().getProperty());
int result = model1.getObject().compareTo(model2.getObject());
if (!getSort().isAscending()) {
result = -result;
}
return result;
}
}
private List<Contact> list = new ArrayList<Contact>();
private SortableDataProviderComparator comparator = new SortableDataProviderComparator();
public UserProvder() {
setSort("name.first", SortOrder.ASCENDING);
list.add(new Contact(new Name("Abbie", "Zed LaBlanc Kayle Garcia")));
list.add(new Contact(new Name("Benny", "Yellen")));
list.add(new Contact(new Name("Charles", "Wukong Mike Alistar")));
list.add(new Contact(new Name("Dennis Woody Tresh", "Rose")));
list.add(new Contact(new Name("Elaine", "Poppy")));
list.add(new Contact(new Name("Peter Jose Brian", "Jax")));
}
public Iterator<Contact> model(long first, long count) {
List<Contact> newList = new ArrayList<Contact>(list);
Collections.sort(newList, comparator);
return newList.subList((int) first, (int) (first + count)).iterator();
}
public IModel<Contact> model(final Object object) {
return new AbstractReadOnlyModel<Contact>() {
@Override
public Contact getObject() {
return (Contact) object;
}
};
}
public long size() {
return list.size();
}
class Contact implements Serializable {
private final Name name;
public Contact(final Name name) {
this.name = name;
}
public Name getName() {
return name;
}
}
class Name implements Serializable {
private String firstName;
private String lastName;
public Name(final String fName, final String lName) {
firstName = fName;
lastName = lName;
}
public String getFirst() {
return firstName;
}
public String getLast() {
return lastName;
}
public setFirst(final String firstName) {
this.firstName = firstName;
}
public setLast(final String lastName) {
this.lastName = lastName;
}
}
}
上面的Java代碼從一些網上的例子。目標是默認表格,只顯示姓氏的第一個單詞和第一個名字的第一個單詞。點擊該行後,它將展開並顯示該行的整個名字和姓氏。
在此先感謝您的任何意見和建議。希望我不必從數據表中切換。