Thanks thats taught me something about radio groups that I wasn't able to
find in the books I have. Your example was very helpful.
Michael O'Cleirigh wrote:
>
> Hi ArchieC,
>
> The way RadioGroup works is that it renders to a hidden field and stores
> the selected value of the selected Radio.
>
> i.e. the rendered markup is not that relevant and the model object for
> the selected radio will be placed into the model for the RadioGroup when
> the form submits.
>
> This is how I've used it:
>
> RadioGroup group = new RadioGroup ("group", new Model());
>
>
> Radio apple = new Radio ("apple", new Model (Fruit.APPLE));
>
> Radio orange = new Radio ("orange", new Model (Fruit.ORANGE));
>
>
> group.setModelObject (Fruit.APPLE);
>
> Here by default the first radio is selected.
>
> When the form submits group.getModelObject() will return either
> Fruit.APPLE or Fruit.ORANGE depending on the selected radio button
>
> In your case the RadioGroup will have as its model Object the value of
> the selected radio.getModelObject() so whatever the value of "user" is
> coming from the PropertyModel() for the selected option.
>
> Regards,
>
> Mike
>
>
>
>> RadioGroup group=new RadioGroup("group", new Model(id));
>> final ArrayList <SelectOptionLevel> selectOptionLevel =
>> getDdcChoices();
>> ListView persons=new ListView("persons", selectOptionLevel) {
>> /**
>> *
>> */
>> private static final long serialVersionUID = 1L;
>>
>>
>> protected void populateItem(ListItem item) {
>> SelectOptionLevel option = (SelectOptionLevel)
>> item.getModelObject();
>>
>> //Exampe of Icon setting
>> item.add(new Label("levelImage", "< img
>> src='images/icons/icon1.gif'/>").setEscapeModelStrings(false));
>>
>> Radio radio = new Radio(
>> "radio",
>> new PropertyModel(modelObject, "user")
>>
>> <~~ Need to set the value of the radio to
>>
>>
>> my option.getValue() value.
>> );
>> item.add(radio);
>> item.add(new Label("name", option.getLabel()));
>> }
>> };
>> group.add(persons);
>> add(group);
>>
>> Apart from not getting a value it all looks great just as I want.
>>
>
>
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