Not a bad idea.
Eelco
On 1/10/07, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
> as a sidenote, i think a few tag-interfaces are in order:
>
> INotRenderable, INotAjaxifiable, names up for grabs.
>
> what this can do is give the user some nice runtime errors that explain
> whats wrong. listview, for example, would implement both.
>
> INotRenderable - throw exception when a behavior is added, figure out a way
> to lock out oncomponenttag overrides
>
> INotAjaxifiable - throw error when added to ajax target for repainting
>
> just some brain farts
>
> -igor
>
>
>
> On 1/10/07, Eelco Hillenius <[EMAIL PROTECTED]> wrote:
> >
> > Someone (nick eugs) had a question on the IRC channel today. I gave
> > the wrong answer unfortunately, and I'm afraid this is quite a common
> > mistake to make anyway.
> >
> > Q: I want to change an attribute of the list view. So say, the list
> > view is attached to tag <tr wicket:id="rows">...</tr>, I want it to
> > render as <tr myattrib="foo" wicket:id="rows">...</tr>. I tried adding
> > an attribute modifier to the list view: myListView.add(new
> > SimpleAttributeModifier("myattrib", "foo")), but it
> doesn't show up. I
> > also tried overriding onComponentTag of the list view, but this never
> > gets called.
> >
> > A: ListView is a weird bastard. The actual component itself is never
> > rendered, but for every row, the child components it creates (the
> > ListItem components you get passed in the populateItem method) get
> > rendered instead. This is something to get used to, but once you get
> > the solutions like this question are easy: attach the attribute
> > modifier to the list item instead of to the list view:
> >
> > add(new myListView("someid", list) {
> > protected void populateItem(ListItem listItem) {
> > listItem.add(new SimpleAttributeModifier("myattrib",
> "foo"));
> > ...
> > }
> > });
> >
> > If I didn't make any grave mistakes and all, could someone be so kind
> > to put this (maybe with more list view examples?) in the WIKI
> > somewhere?
> >
> > Eelco
> >
> >
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