you really should read the javadoc for radiogroup
-igor
On Tue, Apr 15, 2008 at 1:20 AM, Goran Novak <[EMAIL PROTECTED]> wrote:
>
> Thanks,
>
> I got it to work but I dont't understand why does RadioGroup has to have its
> own model. RadioGroup has a constructor "RadioGroup(java.lang.String id)",
> why does it exist if you can't create RadioGroup without its own model. It
> seems somewhat misleading.
>
> Here is the solution if someone else encounters this problem:
>
> WebPage and Form:
>
> public class TestRadio extends WebPage {
> public TestRadio() {
> add(new SomeForm("form"));
> }
>
> class SomeForm extends Form {
> public SomeForm(String id) {
> super(id, new CompoundPropertyModel(new
> TestFormModel()));
>
> TestRadioModel testRadioModel = new TestRadioModel();
> RadioGroup radioGroup = new RadioGroup("radioGroup",
> new PropertyModel(
> testRadioModel, "radioGroup"));
> add(radioGroup);
>
> radioGroup.add(new Radio("radio1", new
> Model("some")));
> radioGroup.add(new Radio("radio2", new
> Model("none")));
>
> }
>
> protected void onSubmit() {
> super.onSubmit();
>
> RadioGroup radioGroup = (RadioGroup)get("radioGroup");
>
> String model = (String) radioGroup.getModelObject();
> System.out.println(model);//prints out "some" or
> "none"
> }
> }
> }
>
> Html:
> <form wicket:id="form">
>
> <input type="radio" wicket:id="radio1" />
> <input type="radio" wicket:id="radio2" />
>
> <input type="submit"/>
> </form>
>
> RadioGroup Model:
>
> public class TestRadioModel {
> private String radioGroup;
>
> private String radio1;
> private String radio2;
>
> // plus getters and setters
>
>
> }
>
>
>
> Michael O'Cleirigh wrote:
> >
> > Hi Goran,
> >>
> >> I have a form with a radio group. Everithing works (page renders without
> >> errors) but I can't get selected radio in forms onSubmit method.
> >> model.getSomeRadioGroup() returns null.
> >>
> >> It probably some logical error using the models. Does radioGroup have to
> >> have its own model or something like that.
> >>
> >>
> > RadioGroup does need to have its own model and it also needs to be
> > included in the markup and it needs to wrap (be the parent) of the
> > specific radio's.
> >
> > If your radio's are directly adjacent in the markup you might find the
> > RadioChoice class easier since you can just set 1 model and pass in a
> > list of the options.
> >
> >
> >
> >> Here is simplified example:
> >>
> >> FORM:
> >> public SomeForm(String id) {
> >> super(id, new CompoundPropertyModel(new SomeModel()));
> >> RadioGroup radioGroup = new RadioGroup("someRadioGroup");
> >> add(radioGroup);
> >>
> >> radioGroup.add(new Radio("radio1"));
> >> radioGroup.add(new Radio("radio2"));
> >> radioGroup.add(new Radio("radio3"));
> >>
> >> }
> >>
> > You need to set a model value for each radio since wicket will do a
> > radioGroup.modelObject = selectedRadio.modelObject when the form is
> > submitted.
> >
> >
> >
> >>
> >> protected void onSubmit() {
> >> super.onSubmit();
> >> SomeModel model = (SomeModel) getModelObject();
> >> System.out.println(model.getSomeRadioGroup()); // This returns null
> >> System.out.println(model.getRadio1());// This returns null
> >> System.out.println(model.getRadio2());// This returns null
> >> System.out.println(model.getRadio3());// This returns null
> >> }
> >>
> >> FORMS MODEL:
> >> public class EmailSettingsModel {
> >>
> >> private String radio1;
> >>
> >> private String radio2;
> >>
> >> private String radio3;
> >>
> >> private String someRadioGroup;
> >>
> >> //... plus getters and setters
> >> }
> >>
> >>
> > I would change this so that the options for the radio were and
> > enumeration:
> >
> > public enum EmailOptions { OPTION_1, OPTION_2, OPTION_3; }
> >
> > then just use a regular Model to hold the values:
> >
> > FORM:
> > public SomeForm(String id) {
> > super(id, new CompoundPropertyModel(new Model()));
> > RadioGroup radioGroup = new RadioGroup("someRadioGroup", new Model
> > (EmailOptions.OPTION_1);
> > add(radioGroup);
> >
> > radioGroup.add(new EmailOptionRadio("radio1", new Model
> > (EmailOptions.OPTION_1)));
> > radioGroup.add(new EmailOptionRadio("radio2", new Model
> > (EmailOptions.OPTION_2)));
> > radioGroup.add(new EmailOptionRadio("radio3", new Model
> > (EmailOptions.OPTION_3)));
> >
> > }
> >
> > Where emailOptionRadio overrides the Component.getConverter(Class c)
> > method to return an IConverter for the EmailOptions enumeration like:
> >
> > /* (non-Javadoc)
> > * @see org.apache.wicket.Component#getConverter(java.lang.Class)
> > */
> > @Override
> > public IConverter getConverter(Class type) {
> >
> > return new IConverter () {
> >
> > /* (non-Javadoc)
> > * @see
> > org.apache.wicket.util.convert.IConverter#convertToObject(java.lang.String,
> > java.util.Locale)
> > */
> > @Override
> > public Object convertToObject(String value, Locale
> locale) {
> >
> > if (value.equals("1")) {
> > return EmailOptions.OPTION_1;
> > }
> > else
> > if (value.equals("2")) {
> > return EmailOptions.OPTION_2;
> > }
> > if (value.equals("3")) {
> > return EmailOptions.OPTION_3;
> > }
> > else return null;
> >
> >
> >
> > }
> >
> > /* (non-Javadoc)
> > * @see
> > org.apache.wicket.util.convert.IConverter#convertToString(java.lang.Object,
> > java.util.Locale)
> > */
> > @Override
> > public String convertToString(Object value, Locale
> locale) {
> >
> > EmailOptions opts = (EmailOptions)value;
> >
> > if (opts == EmailOptions.OPTION_1)
> > return "1";
> > if (opts == EmailOptions.OPTION_2)
> > return "2";
> >
> > if (opts == EmailOptions.OPTION_3)
> > return "3";
> >
> > else return "";
> >
> > }};
> > }
> >
> >
> >> HTML:
> >>
> >> <form wicket:id="form">
> >>
> >> <input wicket:id="radio1" type="radio"/>
> >> <input wicket:id="radio2" type="radio"/>
> >> <input wicket:id="radio3" type="radio"/>
> >>
> >> </form>
> >>
> >>
> >
> > Mike
> >
> >
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> >
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/Radio-group%2C-model-tp16678100p16697337.html
>
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>
>
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