Yes , indeed , if the form is in the second row (default invisible) , it
works , But I cannot get the first row's data (such as radioGroup's model
object will become null ).
Moreover , Form with multiple row , with something visible and something
extensible (default invisible), it is not so rare.
If the form is not inside a ListView , it will work.
But it just fails if it is inside a ListView.
2010/1/21 Chuck Brinkman <chasb1...@gmail.com>
> I stepped through the code and found that the convertedInput is null when
> processing submit. I didn't see anything that looked like an error message
> from wicket. I look forward to seeing what the wicket developers have to
> say.
>
> I'm just a new wicket user but was interested in this issue. I also found
> that if you make the following changes it will work.
> <tr wicket:id="more">
> <td colspan="2">
> *<form wicket:id="moreForm">*
> <input type="text" size="40" value="Please
> leave
> comments"
> wicket:id="textfield" />
> <input type="submit" value="Submit"
> wicket:id="submit" />
> * </form>*
> </td>
> </tr>
>
>
> *Form<Void> moreForm = new Form<Void>("moreForm");
> more.add(moreForm);*
> final TextField<String> textfield = new TextField<String>(
> "textfield", new Model<String>());
> *moreForm*.add(textfield);
> AjaxButton button = new AjaxButton("submit") {
> @Override
> protected void onSubmit(AjaxRequestTarget arg0, Form<?>
> form) {
> System.out.println("radioGroup = "
> + radioGroup.getModelObject()
> + " , textfield.getModelObject() = "
> + textfield.getModelObject());
> }
> };
> *moreForm*.add(button);
>
>
> On Wed, Jan 20, 2010 at 10:47 PM, smallufo <small...@gmail.com> wrote:
>
> > This is a full functional Page :
> >
> > I found this problem only occurs when the form is in the listView :
> > If I move the form out of the listView , it works like a charm.
> > Bug ? I am not sure...
> >
> > The link is the screen capture :
> > http://xs.to/image-B859_4B57CDD0.gif
> >
> >
> > MyPage.html
> >
> > <table border="1">
> > <tr>
> > <th>name</th>
> > <th>more ?</th>
> > </tr>
> > <span wicket:id="listView">
> > <form wicket:id="form">
> > <tr>
> > <td wicket:id="name">[name]</td>
> > <td>
> > <span wicket:id="radioGroup">
> > <input type="radio" wicket:id="yes"/>yes
> > <input type="radio" wicket:id="no"/>no
> > </span>
> > </td>
> > </tr>
> > <tr wicket:id="more">
> > <td colspan="2">
> > <input type="text" size="40" value="Please leave comments"
> > wicket:id="textfield"/>
> > <input type="submit" value="Submit" wicket:id="submit"/>
> > </td>
> > </tr>
> > </form>
> > </span>
> > </table>
> >
> >
> > MyPage.java
> >
> > package quickstart.ajax;
> >
> > import java.util.ArrayList;
> > import java.util.List;
> >
> > import org.apache.wicket.ajax.AjaxEventBehavior;
> > 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.WebPage;
> > import org.apache.wicket.markup.html.basic.Label;
> > import org.apache.wicket.markup.html.form.Form;
> > import org.apache.wicket.markup.html.form.Radio;
> > import org.apache.wicket.markup.html.form.RadioGroup;
> > import org.apache.wicket.markup.html.form.TextField;
> > import org.apache.wicket.markup.html.list.ListItem;
> > import org.apache.wicket.markup.html.list.ListView;
> > import org.apache.wicket.model.Model;
> >
> > public class MyPage extends WebPage
> > {
> > private final static List<String> names = new ArrayList<String>();
> > static
> > {
> > names.add("Andy");
> > names.add("Brian");
> > names.add("Carol");
> > }
> >
> > public MyPage()
> > {
> > ListView<String> listView = new ListView<String>("listView" , names)
> > {
> > @Override
> > protected void populateItem(ListItem<String> item)
> > {
> >
> > Form<Void> form = new Form<Void>("form");
> > item.add(form);
> >
> > String name = item.getModelObject();
> >
> > form.add(new Label("name" , name));
> >
> > final WebMarkupContainer more = new WebMarkupContainer("more");
> > more.setVisible(false);
> > more.setOutputMarkupPlaceholderTag(true);
> > form.add(more);
> >
> >
> > final RadioGroup<Boolean> radioGroup = new
> > RadioGroup<Boolean>("radioGroup" , Model.of(Boolean.FALSE));
> > form.add(radioGroup);
> >
> > Radio<Boolean> yes = new Radio<Boolean>("yes" ,
> > Model.of(Boolean.TRUE));
> > Radio<Boolean> no = new Radio<Boolean>("no" ,
> > Model.of(Boolean.FALSE));
> > radioGroup.add(yes);
> > radioGroup.add(no);
> >
> > yes.add(new AjaxEventBehavior("onClick")
> > {
> > @Override
> > protected void onEvent(AjaxRequestTarget target)
> > {
> > more.setVisible(true);
> > target.addComponent(more);
> > }
> > });
> >
> > no.add(new AjaxEventBehavior("onClick")
> > {
> > @Override
> > protected void onEvent(AjaxRequestTarget target)
> > {
> > more.setVisible(false);
> > target.addComponent(more);
> > }
> > });
> >
> > final TextField<String> textfield = new
> > TextField<String>("textfield" , new Model<String>());
> > more.add(textfield);
> > AjaxButton button = new AjaxButton("submit")
> > {
> > @Override
> > protected void onSubmit(AjaxRequestTarget arg0, Form<?> form)
> > {
> > System.out.println("radioGroup = " +
> radioGroup.getModelObject()
> > + " , textfield.getModelObject() = " + textfield.getModelObject());
> > }
> > };
> > more.add(button);
> > }
> > };
> > add(listView);
> > }
> > }
> >
>
