Well, there are some options here...
Try removing
public abstract boolean getSomeValue();
and use
public boolean getSomeValue() {
// return the correct value using getCurrentListItem()
}
public void setSomeValue(boolean value) {
// store the value using getCurrentListItem()
}
On Jan 7, 2008 2:38 PM, Petri Wessman <[EMAIL PROTECTED]> wrote:
> Andreas Andreou wrote:
> > Hi, what's the problem with just binding the value parameter of
> > http://tapestry.apache.org/tapestry4.1/components/form/checkbox.html ?
>
> Well, the question becomes "what do I bind it to?". Up to now, I've been
> using a static number of checkboxes per page, and each one has been
> given an OGNL property as value, e.g.:
>
> <input type="checkbox" jwcid="@Checkbox" value="ognl:someValue"/>
>
> with the code having:
>
> public abstract boolean getSomeValue();
>
> In this case, I have a variable number of checkboxes per page, I'd need
> to bind them to array elements (I guess) or some such. How do I do that
> in OGNL?
>
> As a simplified concrete example, I'd have something like this on the page:
>
> <table>
> <div jwcid="@For" source="ognl:itemList" value="ognl:currentListItem">
> <tr>
> <td><span jwcid="@Insert" value="ognl:currentListItem.name"/></td>
> <td><input type="checkbox" jwcid="@Checkbox" value="???"/></td>
> </tr>
> </div>
> </table>
>
> What goes in "???" ?
>
> Sorry if I'm missing something obvious here, but so far RTFM hasn't
> clued me in sufficiently :/.
>
> //Petri
>
>
> > On Jan 7, 2008 1:31 PM, Petri Wessman <[EMAIL PROTECTED]> wrote:
> >> Hello all, using Tapestry 4.0.2 here (had some Javascript issues when
> >> trying to upgrade to 4.1.x, so putting off upgrading till I figure those
> >> out). Anyway, I'm now trying to implement a new functionality to our app
> >> and am a bit puzzled as to the best way to do it.
> >>
> >> What I want to do is have a list of items (0-N items), and a checkbox
> >> next to each one (i.e. one checkbox per line item). Below this list I'll
> >> have controls to "delete all checked items" (or in general, "do X to
> >> checked items"). Pretty basic UI functionality... except that I'm
> >> stumped as how to do it with Tapestry.
> >>
> >> I'm generating the list with a normal @For loop, and that works fine.
> >> The checkboxes I need some help on, though... how do I bind a list of
> >> checkboxes to values, so that I can figure out which one is related to
> >> which line item on form submit?
> >>
> >> All help appreciated. If it requires upgrading to 4.1.x, then that's
> >> doable too, with some extra work.
> >>
> >> //Petri
> >>
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> >>
> >>
> >
> >
> >
>
>
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--
Andreas Andreou - [EMAIL PROTECTED] - http://blog.andyhot.gr
Tapestry / Tacos developer
Open Source / JEE Consulting
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