On Mon, Apr 21, 2008 at 07:18:57AM -0700, Doug Donohoe wrote:
>
> So I added an attribute modifier to the loginPanel:
>
> new AttributeModifier("style", true, new Model("display: none")
>
> This corrected the 'flash' problem. But introduced another problem. Now,
> when the form is submitted with an error, when the page is redisplayed, the
> form is hidden (because the attribute modifier is still in effect).
>
One of the great things about models is that they facilitate lazy
evaluation. Try this:
new AttributeModifier("style", true, new AbstractReadOnlyModel() {
public Object getObject() {
return hidePanel ? "display: none" : "";
}
});
You can then toggle whether "display:none" is rendered by toggling the
hidePanel field of your class.
jk
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