Hi :)
It seems I'm not very clear, sorry for my english...
As I answered to Chris, I'd like to display all the elements on the same
page, but in different tables, that's why I can't tell my page before which
element to render...
Anyway, your explanation is very clear :)
Thank you
kristian.marinkovic wrote:
>
> i still do not understand what you want to do but i'll try to
> provide some usful explanations :)
>
> if you have a list of elements you can render them using
> a Loop component. The Loop component (see Component
> Reference) provides the source parameter to pass in the
> list (or another collection). The Loop component also
> provides a value (Object) and an index (int) parameter.
>
> During the loop the variables referenced through the index and
> value parameter will be updated with the current iteration count and
> with the object via their setter methods. So if you also provide
> getter methods for these variables you can access them in your
> template.
>
> OGNL was used in T4 and provided means to access and return
> an object from a list by directly providing an index in the template
> or the .page file. This is not possible with T5s prop binding (eventually
> will provide this functionality -> see JIRA).
>
> so if you know beforehand what object you need to can provide a
> getter method for it
>
> g
> kris
>
>
>
> Hibowl <[EMAIL PROTECTED]>
> 02.10.2007 15:44
> Bitte antworten an
> "Tapestry users" <users@tapestry.apache.org>
>
>
> An
> users@tapestry.apache.org
> Kopie
>
> Thema
> Re: [T5] Access table values from html
>
>
>
>
>
>
>
> Ok, in fact I want all the objects from the list, but not in the same
> table,
> that's why I dont think a Loop is usuable, because I won't display them
> one
> after the other.
>
> But even if I provide a getter for my object, I don't think I can tell my
> page which object for the List to render (because it changes).
>
> Now, I have instanciated all the 15 Objects of the list, and I provide 15
> getters... But I don't think it's very optimal !!
>
> Thanks a lot for your help Chris !!
>
>
>
>
>
>
>
> Chris Lewis-5 wrote:
>>
>> Ok, but _how_ do you want to get this object? It seems like you only
>> want one of them from the List, so you won't need to Loop. If that's
>> right then you need only to provide a getter for your object (this
>> assumes your page knows which specific object is desired).
>>
>> Hibowl wrote:
>>> I'm maybe not very clear, I will try to describe better.
>>> I have an ArrayList from Fichier, and I'd like to display their IDs.
>>>
>>> Start.java :
>>>
>>> private ArrayList<Fichier> _listeFichiers;
>>> private Fichier _fichier;
>>>
>>> //+getters/setters
>>>
>>> Fichier.java :
>>> private fichierId;
>>> ...
>>> //+getters/setters
>>>
>>>
>>>
>>> Start.html : I have several tables with Fichier descriptions, and there
>>> is a
>>> cell where I want to display the Id of the Fichier :
>>>
>>> <table id="tbFichiers" summary="Fichiers">
>>>
>>> <tr>
>>> <th id="th1" class="colonnefichiers"> # Numéro Ordre </th>
>>> <th id="th2">
>>> # Description
>>> </th>
>>> <th id="th3" class="colonneavancement">Avancement</th>
>>> <th id="th4" class="colonnenotifications">Etat </th>
>>> </tr>
>>> <tr>
>>> <td class="tdlft" headers="th1"><t:pagelink
> page="fichiers/detail"
>>> context=${fichier.id} onmouseover="return overlib('Afficher détails
>>> fichier
>>> 50.');" onmouseout="return nd();"><strong>Fichier
>>> 50</strong></t:pagelink>
>>> javascript:void(0); ? </td>
>>> <td class="tdlft" headers="th2">alerte</td>
>>> <td headers="th3"><strong>Fichier Id :
> ${fichier.id}</strong></td>
>>> <td headers="th4"><strong>Etat </strong></td>
>>> </tr>
>>> .......
>>> </table>
>>>
>>>
>>> My problem is how to display the Id of the fichier, I would like to
>>> specify
>>> the index in the array, so that it could render the good id.
>>>
>>> Am I clear enough ?
>>>
>>> thanks :)
>>>
>>>
>>>
>>>
>>> Chris Lewis-5 wrote:
>>>
>>>> I'm sorry I'm afraid I don't understand your situation. If you could
>>>> explain what exactly you are trying to do, maybe I can help.
>>>>
>>>> chris
>>>>
>>>> Hibowl wrote:
>>>>
>>>>> Hi,
>>>>> thanks for your answer. I tried with the loop, but I need to display
>>>>> only
>>>>> one value. I think I could use the index parameter for Loop, but I
>>>>> don't
>>>>> see
>>>>> how to link it with my List.
>>>>>
>>>>>
> http://www.nabble.com/T5%3A-How-to-acces-to-an-array-from-loop--tf3599642.html#a10054876
>
>>>>> Here is an example, but how can I use it with my example ?
>>>>>
>>>>> Thank you for your help !
>>>>>
>>>>>
>>>>> Chris Lewis-5 wrote:
>>>>>
>>>>>
>>>>>> This is a pretty basic operation that you can learn by doing the T5
>>>>>> tutorial.
>>>>>> It sounds like you want to enumerate a list and display something
> for
>>>>>> each iteration - a String property from each Fichier instance. To do
>
>>>>>> this you need the T5 Loop
>>>>>> <
> http://tapestry.apache.org/tapestry5/tapestry-core/component-parameters.html#orgapachetapestrycorelibcomponentsloop
>>
>>>>>> component. Your page provides the List (any Iterable), but must also
>
>>>>>> provide a property for holding a member of the List for each
> iteration
>>>>>> (the value parameter of the Loop). So in your page you need:
>>>>>>
>>>>>> //The Iterable.
>>>>>> private ArrayList<Fichier> listeFichiers;
>>>>>>
>>>>>> //The "current" element.
>>>>>> private Fichier fichier;
>>>>>>
>>>>>> //now you need at least a getter for your list, and both a getter
> and
>>>>>> a
>>>>>> setter for fichier.
>>>>>>
>>>>>> In your template you can now:
>>>>>>
>>>>>> <t:loop source="listeFichiers" value="fichier">
>>>>>> ${fichier.field}
>>>>>> </t:loop>
>>>>>>
>>>>>> Note that ${fichier.field} will result in a call to the method
>>>>>> Fichier#getField.
>>>>>>
>>>>>> Hibowl wrote:
>>>>>>
>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> I'd like to access the values of a List from my html page, but I
>>>>>>> don't
>>>>>>> know
>>>>>>> how to do that...
>>>>>>>
>>>>>>> Start.java :
>>>>>>>
>>>>>>> private ArrayList<Fichier> listeFichiers;
>>>>>>>
>>>>>>> (getter/setter).
>>>>>>>
>>>>>>>
>>>>>>> Start.html :
>>>>>>> I want to display a field from Fichier (type String). But how can I
>>>>>>> access
>>>>>>> to it ? Is there a way to use such a ${listeFichiers...} with a
>>>>>>> parameter
>>>>>>> ?
>>>>>>>
>>>>>>> Thank you for any help !
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>>
>
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