The code in Component.initModel() looks like it only searches for models
that are instance of CompoundPropertyModel. Am I totally missing something?
Igor
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Eelco
Hillenius
Sent: Tuesday, July 05, 2005 9:03 AM
To: [email protected]
Subject: Re: [Wicket-user] Newbie problem with Model-s
I'm afraid that is not true. I was kind of afraid people might think that;
it's one reason why I prefer explicit to implicit behaviour. The
CompoundPropertyModel is there for convenience really. It allows you to
'short hand' code that would otherwise by more verbose, and it is slightly
more efficient with object creation. But you can accomplish the same by just
using Model and PropertyModel objects.
Eelco
Igor Vaynberg wrote:
Martin,
The problem is here:
add(new TestForm("testForm", new Model(person)));
You are creating a Model, when in fact you should be creating a
CompoundPropertyModel.
Components that do not have models ( ie your RequiredTextField ) only
"inherit" models that are of type CompoundPropertyModel or derivatives
there of.
To fix your example try
add(new TestForm("testForm", new CompoundPropertyModel(person)));
See the model wiki page for more explanations on models.
http://wicket.sourceforge.net/wiki/index.php/Models
Igor
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Martin
Bednár
Sent: Tuesday, July 05, 2005 8:37 AM
To: [email protected]
Subject: [Wicket-user] Newbie problem with Model-s
Hi,
I have problems with updating models with data from page, I can't
uderstand why it dosn't work :( Can anybody tell me what I'am doing wrong ?
There is my very simple sample.
package wicket.examples.my;
import java.io.Serializable;
import wicket.markup.html.WebPage;
import wicket.markup.html.form.Form;
import wicket.markup.html.form.RequiredTextField;
import wicket.model.IModel;
import wicket.model.Model;
import wicket.model.PropertyModel;
public class TestFieldPage extends WebPage {
class Person implements Serializable {
private String name = "TEST";
public void setName(String name) {
this.name = name;
}
public String getName() {
return name;
}
}
public TestFieldPage() {
Person person = new Person();
add(new TestForm("testForm", new Model(person)));
}
class TestForm extends Form {
public TestForm(String id, IModel model) {
super(id, model, null);
add(new RequiredTextField("name", new PropertyModel(
model, "name")));
}
public void onFormSubmitted() {
System.out.println(((Person) getModelObject()).getName());
}
}
}
with this markup:
<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>My Wicket Example</title>
</head>
<body>
<form wicket:id="testForm">
Name: <input type="text" wicket:id="name"/> </form> </body> </html>
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