Can some tapestry savvy guys look at this and help us out here. Would really
appreciate the effort. This is quite a big blocker for me at present.
Thanks,
Srini.
On 11/10/06, Srinivas Yermal <[EMAIL PROTECTED]> wrote:
BTW We currently use version 4.0.2. and run it on tomcat. I would also
appreciate if somebody can point me to the "rewind" document if any. I have
heard so many stories about common newbie rewind mistakes but couldnt find
what they really are.
Thanks again.
Srini.
On 11/10/06, Srinivas Yermal <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> I am a newbie trying to learn Tapestry. I did try to search through the
> archives for a solution, but couldnt find anything relavant. It would be
> great if someone could point me in the right direction.
>
> I have a page with a listing of a collection. I am using "For" component
> (ForBean) in the form. There are text fields against each item which has a
> value from the items in the collection. Now one can change the text value
> and hit the save button at the end of the form. The listener that is
> associated with the form gets called but I dont have a clue as to how I can
> obtain the changed values from the collection. I tried with both form
> listener and submit action listener. I always end up with a null or empty
> item collection.
>
> Some code snippet below -
>
> public abstract Collection getItems();
> public abstract void setItems(Collection items);
>
> ActionListener Method 1:
> public void saveHistory(IRequestCycle cycle, Object[] list) {
> LOG.debug("saveHistory(cycle, array) invoked");
> if (null == list) return;
> for (Object o : list) {
> Question mh = (Question)o;
> LOG.debug(mh.getQuestionText() + " " + mh.getAnswerText());
> }
> }
>
> ActionListener Method 2:
> public void saveHistory(IRequestCycle cycle) {
> LOG.debug("saveHistory(cycle, array) invoked");
> List list = cycle.getListenerParameters();
> if (null == list) return;
> for (Object o : list) {
> Question mh = (Question)o;
> LOG.debug(mh.getQuestionText() + " " + mh.getAnswerText());
> }
> }
>
>
> FormListner Method:
> public void saveFormHistory(IRequestCycle cycle) {
> LOG.debug("saveFormHistory(cyle) invoked");
> Collection<Question> list = getItems();
> if (null == list) return;
> for (Question mh: list) {
> LOG.debug(mh.getQuestionText () + " " + mh.getAnswerText());
> }
> }
>
> The HTML file -
>
> <form jwcid="[EMAIL PROTECTED]" listener="listener:saveFormHistory">
> ...
> <tr jwcid="@For" source="ognl:items" value="ognl:item" element="tr">
>
>
> <td><span jwcid="@Insert" value="ognl:item.question.text">Question
Text</span></td>
> <td><input jwcid="@TextField" value="ognl:item.answerText
> "/></td>
>
> </tr>
> ...
> <input class="button" type="submit" value="Save" name="save" jwcid="@Submit"
action="listener:saveHistory"
>
> parameters="ognl:items"/>
>
> Please do let me know if something here is not right or if you have any
> further questions. Looking forward for some advice.
>
> Thanks in advance.
> Regards,
> Srini.
>
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