Thanks for the quick response i'll try that. I can't seem to find it in the
FAQ though.
On 4/8/07, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
you cannot update a listview with ajax, i think its in the faq. wrap it in
a webmarkupcontainer and update that instead.
-igor
On 4/8/07, Robbert Vergeten <[EMAIL PROTECTED]> wrote:
> Hi, i'm new to wicket and currently trying out some things to learn
> wicket and to do proof-of-concepts with ajax functionality.
> Because for what I want for my actual application i'm going to need a
> lot of Ajax.
>
> I'm having a problem with an ajax update of a list through ajax. The
> concept is a simple variation of the databinder.net example.
> Its like a guestbook/chat example with a form for input and a list for
> the output. With both the ajax and the normal submit
> the server sends and receives the proper data only with the ajax the
> list is not properly updated because it works with id's.
> And all items in my list have the same id and therefore only the first
> gets updated so to speak.
> (IE and FF give quite different (both wrong) results.)
>
> I'm quite stuck on this so my question is how should i properly pack the
> output list into a single object with custom behavior
> that can handle its own update as a single component. Like a table
> instead of a list of rows.
> Any hints or links on where to start are most welcome.
>
> my current code:
>
> list = new PropertyListView("list", new HibernateListModel(
> ChatLine.class, new ICriteriaBuilder(){
> public void build(Criteria criteria){
> criteria.addOrder (Order.desc ("id"));
> criteria.setMaxResults(10);
> }})){
> @Override
> protected void populateItem(ListItem item) {
> Label textLine = new Label("text");
> Label userName = new Label("username");
> item.add(userName);
> item.add(textLine);
> }};
> list.setOutputMarkupId(true);
> add(list);
>
> form = new DataForm("chatform", ChatLine.class){
> @Override
> protected void onSubmit() {
> super.onSubmit();
> clearPersistentObject();
> }};
> form.add (new TextField("text"));
> form.add(new TextField("username"));
> form.add(new AjaxSubmitButton("ajaxsubmit", form){
> @Override
> protected void onSubmit(AjaxRequestTarget target, Form f) {
> target.addComponent(list);
> }});
> add(form);
>
> <wicket:extend>
> <div style="margin-top:20px; position:absolute;">
> <table class="chatline">
> <tr wicket:id="list" id="list">
> <td wicket:id="username" class="user"></td>
> <td>: </td>
> <td wicket:id="text" class="text"></td>
> </tr>
> </table>
> </div>
>
> <div style="margin-top:700px; position:absolute;">
> <form wicket:id="chatform">
> <table>
> <tr>
> <td>Username:</td>
> <td>Chat Message:</td>
> </tr>
> <tr>
> <td><input type="text" wicket:id="username" /></td>
> <td><input type="text" wicket:id="text"/ size="80"></td>
> </tr>
> </table>
> <div style="margin-left:100px; position:absolute;">
> <input type="submit" wicket:id="ajaxsubmit" value="send">
> <input type="submit" value="send">
> </div>
> </form>
> </div>
> </wicket:extend>
>
>
>
> Thanks in advance,
>
> Robbert
>
>
>
>
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