Hi David, you can specify your css for clicked links wiht the pseudo-class
:visited, also you can send back to browser only the javascript needed to
style the clicked links, like:
request.appendJavascript("Wicket.$('linkId').style.someProperty = 'some
value'");

On Wed, Dec 1, 2010 at 8:56 AM, drf <[email protected]> wrote:

>
> I have an issue whereby an ajax update on a WebMarkupContainer is having
> unexpected effect on content outside the container.
>
> The page in question consists of two parts:
> 1. on the left hand side, a menu, composed of a list of AjaxFallbackLink
> objects. This is contained in a <DIV>.
> 2. on the right hand side, a panel, which itself is contained in a
> WebMarkupContainer.
>
> Here is standard behavior:
> When a link is clicked, it's color changes to indicate it is selected
> (achieved by using AttributeModifier to change the css class). Also, the
> content of the panel changes. Works fine.
>
> Here is the issue:
> when the <ul></ul> list is long, a scrollbar appears in the DIV surrounding
> it (which is correct). I want to avoid the scrollbar moving back to the top
> of the list when an item is clicked, so rather than doing an update on the
> whole page, I use ajax to update just:
> 1. The selected link
> 2. The previously selected link
> 3. The WebMarkupContainer  containing the panel (which will now have new
> content).
>
> If I just do an update on the two AjaxFallbackLink objects, there is no
> problem, and the DIV does not scroll back to the top. However, when I do an
> update on the WebMarkupContainer, the DIV does scroll back to the top -
> even
> though the <DIV><ul><li></il></ul<DIV> is outside the WebMarkupContainer.
>
> Here is the snippet from the html:
> <wicket:panel>
> <div wicket:id="pageContainer"><div class="mainPageDiv"
> wicket:id="mainPage"></div></div>
>
> <div class="menuDiv">
> <ul>
> <li class="mainMenuItem" wicket:id="topItem_CM_Information"></li>
> <li class="subMenuItem" wicket:id="subItem_holdings"> #  </li>
> <li class="subMenuItem" wicket:id="subItem_holdings_at_day_end"> #  </li>
> <li class="subMenuItem" wicket:id="subItem_holdings_update"> #  </li>
> </ul>
> </div>
> </wicket:panel>
>
> (I have removed most of the list items for the sake of brevity).
> Here is a snippet from the java:
>                Panel mainPage = new SimplePage("mainPage");
>                mainPageContainer = new WebMarkupContainer("pageContainer");
>                mainPageContainer.setOutputMarkupId(true);
>                add(mainPageContainer);
>                mainPageContainer.add(mainPage);
>
> The list items are then added as AjaxFallbackLink objects.
> As always, help greatly appreciated !
>
>
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-- 
Pedro Henrique Oliveira dos Santos

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