Hi,
The next click does not come because exception is raised.
if the link is still enabled, which exception should be thrown then?
Sven
On 06/17/2014 04:24 PM, Daniel Stoch wrote:
On Tue, Jun 17, 2014 at 4:14 PM, Sven Meier <s...@meiers.net> wrote:
Hi,
when you alter the enabled state in #onConfigure() - this is recommended
instead of overriding #isEnabled() - the link will still be enabled when the
next click comes in.
Hmmm, I think I don't understand :). The next click does not come
because exception is raised. If I catch exception and do nothing the
link is still enabled to user, because page is not rerendered,
You can handle the changed system state in your application logic.
How?
The only solution I know is to auto-refresh a page (eg. using push),
but user can always click faster ;).
Best regards
Sven
On 06/17/2014 03:55 PM, Daniel Stoch wrote:
Hi,
I have a link (or ajax link) which executes some system command. This
system gives me an information if this command is enabled or not, so I
can mark my link as enabled or disabled (by calling
setEnabled(command.isEnabled()) or overriding link.isEnabled()
method).
1. Page is being rendered, command is enabled so link is rendered as
enabled.
2. In the meantime system state is changed so command became disabled.
3. User clicks link on a page rendered in step 1 where link is
rendered as enabled but it is disabled now.
In Wicket 1.4 nothing happens in such situation and only warning was
logged:
"component not enabled or visible; ignoring call. Component:
[MarkupContainer [Component id = link]]"
In Wicket 6 in such situation the exception is raised:
"ListenerInvocationNotAllowedException: Behavior rejected interface
invocation."
How should I handle this correctly to show some information to user,
that this is link is no longer active (but user should stay on the
same page)?
Should I catch ListenerInvocationNotAllowedException inside
IRequestCycleListener.onException()?
--
Daniel
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