Hi All,
I have a simple requirement in which I want to display two different
messages on Form Submit depending on whether or not the text field is filled
in . The way I thought it should work is if I use combination of AjaxButton,
WebMarkupContainer,<wicket:enclosure> and by overriding isVisible().
The flow of sample application is. ..
1. When the Page Loads(first-time) it displays.."Not found" (which means
nothing has been entered in textfield).[This is working as expected]
2. When I type in something to textfield and submit the form--it should
display "Found" but its not displaying that message.[Not working as
expected]
3. Also, When i clear the textfield and re-submit the form it should display
"Not found".But this also does not happen.[Not working as expected]
In short, the state of the WebMarkupcontainer never gets updated after
intial load.
Can someone point out what am I missing?
Here is the code.
SamplePage.html
<body>
<form wicket:id="myForm">
<input type="text" wicket:id="sampleText" />
<input type="submit" wicket:id="sampleSubmit" />
<div wicket:id="resultContainer">
<wicket:enclosure>
[YES]
</wicket:enclosure>
<wicket:enclosure>
[NO]
</wicket:enclosure>
</div>
</form>
</body>
SamplePage.java
public class SamplePage extends WebPage {
public SamplePage() {
add(new SampleForm("myForm"));
}
private class SampleForm extends Form {
public SampleForm(String id) {
super(id);
final SimplePOJO pojo = new SimplePOJO();
setModel(new CompoundPropertyModel(pojo));
add(new TextField("sampleText", new PropertyModel(pojo,
"sampleText")));
final WebMarkupContainer resultContainer = new
WebMarkupContainer(
"resultContainer");
resultContainer.setOutputMarkupId(true);
resultContainer.add(new Label("gotResults", "Found...")
{
public boolean isVisible() {
return pojo.getSampleText() != null;
}
});
resultContainer.add(new Label("noResults", "Not
found...") {
public boolean isVisible() {
return pojo.getSampleText() == null;
}
});
add(new AjaxButton("sampleSubmit") {
protected void onSubmit(AjaxRequestTarget
target, Form f) {
// If javascript is enabled on user's
browser.
pojo.setSampleText(pojo.getSampleText());
if (target != null) {
// refresh the component.
target.addComponent(resultContainer);
}
}
});
add(resultContainer);
}
}
}
SimplePOJO.java
public class SimplePOJO implements Serializable{
private String sampleText;
/**
* @return the sampleText
*/
public String getSampleText() {
return sampleText;
}
/**
* @param sampleText the sampleText to set
*/
public void setSampleText(String sampleText) {
this.sampleText = sampleText;
}
}
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