《wicket学习十三》&InterComponetsEventsExample
今天我们来学习wicket的事件,最后做出的页面如下。
我们来看homepage.java
public class HomePage extends WebPage {
public HomePage() {
final WebMarkupContainer containerInTheMiddle = new WebMarkupContainer("containerInTheMiddle"){
@Override
public void onEvent(IEvent<?> event) {
//we use session's info method to keep messages sorted by insertion order
Session.get().info("I'm the container in the middle and I received an event.");
}
};
WebMarkupContainer innerContainer = new WebMarkupContainer("innerContainer"){
@Override
public void onEvent(IEvent<?> event) {
//we use session's info method to keep messages sorted by insertion order
Session.get().info("I'm the inner component and I received an event.");
}
};
add(containerInTheMiddle);
containerInTheMiddle.add(innerContainer);
FeedbackPanel feedbackPanel = new FeedbackPanel("feedbackPanel");
add(feedbackPanel);
StatelessLink breadthLink = new StatelessLink<Void>("breadthLink") {
@Override
public void onClick() {
send(containerInTheMiddle, Broadcast.BREADTH, "Broadcat mode: breadth.");
}
};
add(breadthLink);
StatelessLink depthLink = new StatelessLink<Void>("depthLink") {
@Override
public void onClick() {
send(containerInTheMiddle, Broadcast.DEPTH, "Broadcat mode: depth.");
}
};
add(depthLink);
StatelessLink bubbleLink = new StatelessLink<Void>("bubbleLink") {
@Override
public void onClick() {
send(containerInTheMiddle, Broadcast.BUBBLE, "Broadcat mode: bubble.");
}
};
add(bubbleLink);
StatelessLink exactLink = new StatelessLink<Void>("exactLink") {
@Override
public void onClick() {
send(containerInTheMiddle, Broadcast.EXACT, "Broadcat mode: exact.");
}
};
add(exactLink);
}
}
html页面
<html lang="en" xmlns:wicket="http://www.w3.org/1999/xhtml">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<p>
Click on the links below to send an event to the container in the middle
using one of the supported broadcast methods. <br/>
A panel at the bottom of the page will display the order in which
the event has been received by sinks (page, components, session and application).
</p>
<a wicket:id="breadthLink">Breadth mode</a><br/>
<a wicket:id="depthLink">Depth mode</a><br/>
<a wicket:id="bubbleLink">Bubble mode</a><br/>
<a wicket:id="exactLink">Exact mode</a><br/>
<br/>
<br/>
<div style="border: 1px solid;padding: 8px; width:40%" wicket:id="containerInTheMiddle">
<p style="padding-bottom: 2px">I'm the container in the middle</p>
<div style="border: 1px solid;padding: 8px" wicket:id="innerContainer">
I'm the inner component.
</div>
</div>
<br/>
<br/>
<div wicket:id="feedbackPanel">
</div>
</body>
</html>
weapplication
public class WicketApplication extends WebApplication {
@Override
public Class<? extends Page> getHomePage() {
return HomePage.class;
}
}