wicket 中ListView和WebMarkupContainer以及AjaxButton的使用
此例子为wicket中在页面中点检索后，在本页面显示出检索结果所用到的控件：
import java.util.ArrayList;
import java.util.List;
import jp.co.infomart.foods.common.admin.page.BasePage;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.form.AjaxButton;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
/**
*
* @author admin
*/
public class Test_ListView extends BasePage {
private Form form;
private static List books = new ArrayList();
WebMarkupContainer container;
public Test_ListView(){
super();
form = new Form("myForm");
this.add(form);
container = new WebMarkupContainer("listViewContainer");
container.setOutputMarkupId(true);
//
ListView listView = new ListView("books",books){
@Override
protected void populateItem(ListItem item) {
Test_ListViewModel book = (Test_ListViewModel)item.getModelObject();
item.add(new Label("id",Integer.toString(book.getId())));
item.add(new Label("title",book.getTitle()));
item.add(new Label("author",book.getAuthor()));
}
};
container.add(listView);
form.add(container);
AjaxButton ajaxButton = new AjaxButton("ajaxButton") {
@Override
protected void onSubmit(AjaxRequestTarget art, Form<?> form) {
init();
art.addComponent(container);
}
@Override
protected void onError(AjaxRequestTarget art, Form<?> form) {
throw new UnsupportedOperationException("Not supported yet.");
}
};
form.add(ajaxButton);
}
public void init(){
books.clear();
for(int i=1;i<10;i++){
Test_ListViewModel book = new Test_ListViewModel();
book.setId(i);
book.setAuthor("author"+i);
book.setTitle("title"+i);
books.add(book);
}
}
}
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>test</title>
</head>
<body bgcolor="#FFFFFF" text="#000000" topmargin="0" leftmargin="0" marginwidth="0" marginheight="0" onUnload="fCloseWin()">
<form wicket:id="myForm">
<div wicket:id="listViewContainer">
<table width="240" border="1">
<tr>
<th>序号</th>
<th>书名</th>
<th>作者</th>
</tr>
<tr wicket:id="books">
<td wicket:id="id">id</td>
<td wicket:id="title">title</td>
<td wicket:id="author">author</td>
</tr>
</table>
</div>
<input type="submit" wicket:id="ajaxButton"/>
</form>
</body>
</html>
public class Test_ListViewModel {
private int id;
private String title;
private String author;
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
}
import java.util.ArrayList;
import java.util.List;
import jp.co.infomart.foods.common.admin.page.BasePage;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.form.AjaxButton;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
/**
*
* @author admin
*/
public class Test_ListView extends BasePage {
private Form form;
private static List books = new ArrayList();
WebMarkupContainer container;
public Test_ListView(){
super();
form = new Form("myForm");
this.add(form);
container = new WebMarkupContainer("listViewContainer");
container.setOutputMarkupId(true);
//
ListView listView = new ListView("books",books){
@Override
protected void populateItem(ListItem item) {
Test_ListViewModel book = (Test_ListViewModel)item.getModelObject();
item.add(new Label("id",Integer.toString(book.getId())));
item.add(new Label("title",book.getTitle()));
item.add(new Label("author",book.getAuthor()));
}
};
container.add(listView);
form.add(container);
AjaxButton ajaxButton = new AjaxButton("ajaxButton") {
@Override
protected void onSubmit(AjaxRequestTarget art, Form<?> form) {
init();
art.addComponent(container);
}
@Override
protected void onError(AjaxRequestTarget art, Form<?> form) {
throw new UnsupportedOperationException("Not supported yet.");
}
};
form.add(ajaxButton);
}
public void init(){
books.clear();
for(int i=1;i<10;i++){
Test_ListViewModel book = new Test_ListViewModel();
book.setId(i);
book.setAuthor("author"+i);
book.setTitle("title"+i);
books.add(book);
}
}
}
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>test</title>
</head>
<body bgcolor="#FFFFFF" text="#000000" topmargin="0" leftmargin="0" marginwidth="0" marginheight="0" onUnload="fCloseWin()">
<form wicket:id="myForm">
<div wicket:id="listViewContainer">
<table width="240" border="1">
<tr>
<th>序号</th>
<th>书名</th>
<th>作者</th>
</tr>
<tr wicket:id="books">
<td wicket:id="id">id</td>
<td wicket:id="title">title</td>
<td wicket:id="author">author</td>
</tr>
</table>
</div>
<input type="submit" wicket:id="ajaxButton"/>
</form>
</body>
</html>
public class Test_ListViewModel {
private int id;
private String title;
private String author;
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
}