Re: Wicket and Struts together have a problem when not adding mountpath to the Wicket-Page

[cknafl]

I am trying some hacks now to get the application work well and I am looking
forward to just have wicket in my application :)

I don't even know why overriding getDefaultNameSpace(){ return "";} doesn't
work. The resources js or css cannot be found anymore, so the will be
searched in "/wicket/wicket/" I guess...
Well, some kind of strange things happening here...

Regards and thanks for the help!
Christoph



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Re: Deleting Cookies

[Joachim Schrod]

Corbin, James wrote:
> The ListView is not in a form, which is why I am leaving the default for
> setReuseItems to false.
> I am using a LoadableDetachableModel and verified the load that rereads
> the cookies, does in fact get called after I delete them (reset method
> call below).  If I break in the load of the detachable model, it is
> reading that there are still values for the cookies I deleted in the
> previous step.
> 
> Basically, here is the body of my Ajax Link's onClick,
> 
> RecentlyViewedItemsCollection c = new
> RecentlyViewedItemsCollection(util.getCurrentUser());
>   c.reset(); // this actually deletes all the 
> cookies
>   getModel().detach(); // this forces the 
> detachable model to call its
> load, which attempts to re-read specific cookies that should no longer
>   exist
>   
> target.add(RecentlyViewedItemsPanel.this.get("itemContainer")); //
> lastly, I refresh the parent (WebMarkupContainer) of the ListView
> 
> I would have expected that when the model's load method is called that it
> would see that the cookies were removed, but it still finds them.
> 

Have you confirmed that the cookie store is updated on AJAX
requests? (a) are the updated cookies sent, and (b) are they made
available properly for your app code; i.e., don't use some
previously cached values?

I'd wireshark the request and then step through the cookie
gathering code to check what values are sent in the AJAX request
and where the load() method gets its values from.

Joachim

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Joachim Schrod, Roedermark, Germany
Email: jsch...@acm.org


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Re: Model is null after submit, using FormComponentPanel

[Joachim Schrod]

Paul Bors wrote:
> Assuming that you don't set a model for the FormComponet won't Wicket fail
> back to the CompountPropertyModel of the form?

Yes, for sure. But you explicitly recommended:

>> If you're using CompoundPropertyModel and set the model on your
>> FormComponentPanel then your TextField ID and type should be all
you
>> need for wicket to know which getter/setter to call.

I.e., you told Raul that he should set the FormComponentPanel's
model. And then he risks getting null values set in his model at
the panel level.

Please note, that I don't argue for or against storing
CompountPropertyModels in FormComponetPanels. I have many places in
my applications where storing models is sensible and where the
form's CompountPropertyModel is not the right thing, design-wise.
And the other way round, too.

As a common use case, consider when a FormComponentPanel is
actually a reusable model that may be used in several situations. A
recent example of mine is a component that handles address input
and validation for a person. The base model, available as a
CompountPropertyModel at form level, has several persons. So the
FormComponentPanel gets passed the right person model (actually,
the address model from that person model -- a person might have
several addresses!) and uses it.

And in such cases, one has to take care that the FormComponent
processing lifecycle is properly adapted to such situation.

> Who will perform the conversion then?

As I've written, quite often it's not the conversion that's the
problem, but the updateModel() call that stores
FormComponent.convertedInput into the model object. To repeat: On
the panel level, no input is available, and convertInput() stores
that as null in FormComponent.convertedInput. You need to prevent
usage of that stored field in updateModel(), otherwise your model
object will end up to be null. Overriding convertInput() is of no
use here, if there *is no input* that can be converted.

Thus quite clearly, overriding FormComponentPanel#convertInput() is
only sensible if you do something with the input values of
sub-components, beyond storing them, and if you can compute
something that you can place into convertedInput. If it's just
about storing and you use a CompountPropertyModel, overriding
FormComponentPanel#updateModel() is adequate and sufficient.

I hope this makes my arguments clearer. It probably won't help
Raul, though. :-(

Joachim

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Email: jsch...@acm.org


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RE: Returning XML or HTML

[McDonough, Jonathan]

That worked! Thanks a lot Martin 

-Original Message-
From: Martin Grigorov [mailto:mgrigo...@apache.org] 
Sent: Thursday, December 06, 2012 3:10 AM
To: users@wicket.apache.org
Subject: Re: Returning XML or HTML

A simpler solution is:

if (needsXml()) {
   getRequestCycle().replaceAllRequestHandlers(new
TextRequestHandler("text/xml", theXml))
}


On Thu, Dec 6, 2012 at 7:55 AM, Sven Meier  wrote:

> You'll have to let Wicket know that you wrote the response by yourself.
>
> With |RestartResponseException| you can switch to another response. In
> your case you could direct the request to a resource first (since your XML
> doesn't seem be component-based) and switch to a page in case of missing
> parameters.
>
> Sven
>
>
>
> On 12/06/2012 04:49 AM, McDonough, Jonathan wrote:
>
>> Hi all,
>> I am trying to create a WebPage that returns either XML or HTML depending
>> upon if a parameter is supplied. If the parameter is supplied, return a
>> custom XML document. Otherwise return an HTML page with an error message.
>> The code I wrote produces these results, which is great. But it is also
>> throwing an exception (below) to the console. Does anyone know how to go
>> about fixing this?
>>
>> I am using Java 6 and Wicket 6.2.0
>>
>> Thanks
>> Jon
>>
>> Here is the code for DocumentPage.java:
>>  public DocumentPage(final PageParameters parameters) {
>>  setStatelessHint(true);
>>
>>  // Get the ID
>>  final org.apache.wicket.util.string.**StringValue
>> idStringValue = parameters.get(0);
>>  if (idStringValue == null || idStringValue.isEmpty()) {
>>  add(new Label("errorMsg", "Please supply an
>> ID"));
>>  return;
>>  }
>>
>>
>>  // Get the CTS2 XML from the database
>>  final String id = idStringValue.toString();
>>
>>
>>  // Send the output
>>  add(new Label("errorMsg", ""));
>>  String content = "" + id +
>> "";
>>
>>  RequestCycle.get().**getOriginalResponse().write(**
>> content);
>>  }
>>
>>
>> DocumentPage.html:
>> 
>>  
>>  Error
>>  
>>
>>  
>>  
>>  
>> 
>>
>>
>> 2012-12-05 22:36:32,976 ERROR  [RequestCycle] Error during processing
>> error message
>> java.lang.**IllegalStateException: Header was already written to
>> response!
>>  at org.apache.wicket.protocol.**http.**
>> HeaderBufferingWebResponse.**checkHeader(**HeaderBufferingWebResponse.**
>> java:64)
>>  at org.apache.wicket.protocol.**http.**
>> HeaderBufferingWebResponse.**sendError(**HeaderBufferingWebResponse.**
>> java:105)
>>  at org.apache.wicket.request.**http.handler.**
>> ErrorCodeRequestHandler.**respond(**ErrorCodeRequestHandler.java:**77)
>>  at org.apache.wicket.request.**cycle.RequestCycle$**
>> HandlerExecutor.respond(**RequestCycle.java:830)
>>  at org.apache.wicket.request.**RequestHandlerStack.execute(**
>> RequestHandlerStack.java:64)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:302)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> processRequest(RequestCycle.**java:225)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> processRequestAndDetach(**RequestCycle.java:281)
>>  at org.apache.wicket.protocol.**http.WicketFilter.**
>> processRequest(WicketFilter.**java:188)
>>  at org.apache.wicket.protocol.**http.WicketFilter.doFilter(**
>> WicketFilter.java:245)
>>  at org.apache.catalina.core.**ApplicationFilterChain.**
>> internalDoFil

Re: Deleting Cookies

[Sebastien]

Oops, you are right: I misread. I though you was recreating the listview,
sorry for he confusion!

Also, "reattach the listview's parent-container" simply means what you
already do by:
target.add(RecentlyViewedItemsPanel.this.get("itemContainer"));
(this is because it is not possible to reattach the listview directly but
you already knew that)

Well, as I said earlier, maybe is it a cookie/IO issue. I mean: the fact of
deleting and persisting changes in the cookie may be IO-asynchronous and
then the model is updated before changes are persisted...
I hope someone can help you on that subject...

Best regards,
Sebastien.

On Fri, Dec 7, 2012 at 12:28 AM, Corbin, James wrote:

> Hi Sebastian,
>
> Thanks for your feedback.  I wasn't recreating (semantics?) the Listview,
> I was just refreshing it via ajax so it updates with the model changes.
> What do you mean by "reattach the listview's parent-container"?  Do you
> mean remove the listview and re-add it in the onbeforerender?
>
> J.D.
>
>
>
> On 12/6/12 4:16 PM, "Sebastien"  wrote:
>
> >Well, I think it is because this is the same listview that is redisplayed,
> >not the new one.
> >The cause is that you did not add the new listview to its parent.
> >
> >But, I would have done a little bit differently because:
> >1/ You do not have to recreate the listview in ajaxlink's onclick. just
> >clear cookies and reattach the listview's parent-container
> >2/ You do not have - generally speaking - to detach you model yourself
> >and,
> >moreover, it is not interesting to do it in the same request cycle. It
> >should be end at the end of the previous cycle. The use of a LDM does this
> >for you.
> >
> >So: just one ListView with a LDM, and it should be good.
> >If it's still not, maybe the persistence of the cookie update is a little
> >bit "slow" and IO-async... But I (means myself) could not help in a such
> >case.
> >
> >Best regards,
> >Sebastien.
> >
> >
> >On Thu, Dec 6, 2012 at 11:41 PM, Corbin, James
> >wrote:
> >
> >> The ListView is not in a form, which is why I am leaving the default for
> >> setReuseItems to false.
> >> I am using a LoadableDetachableModel and verified the load that rereads
> >> the cookies, does in fact get called after I delete them (reset method
> >> call below).  If I break in the load of the detachable model, it is
> >> reading that there are still values for the cookies I deleted in the
> >> previous step.
> >>
> >> Basically, here is the body of my Ajax Link's onClick,
> >>
> >> RecentlyViewedItemsCollection c = new
> >> RecentlyViewedItemsCollection(util.getCurrentUser());
> >> c.reset(); // this actually deletes all
> >> the cookies
> >> getModel().detach(); // this forces the
> >> detachable model to call its
> >> load, which attempts to re-read specific cookies that should no longer
> >> exist
> >>
> >> target.add(RecentlyViewedItemsPanel.this.get("itemContainer")); //
> >> lastly, I refresh the parent (WebMarkupContainer) of the ListView
> >>
> >> I would have expected that when the model's load method is called that
> >>it
> >> would see that the cookies were removed, but it still finds them.
> >>
> >> J.D.
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> On 12/6/12 3:29 PM, "Sebastien"  wrote:
> >>
> >> >Hi,
> >> >
> >> >Be sure to use a LoadableDetachableModel
> >> >Also, maybe you set ListView#*setReuseItems* to true (because the
> >>ListView
> >> >is in a form)? You can set it to false if you have no validation and
> >>then
> >> >you will get fresh data (see ListView javadoc)
> >> >
> >> >Hope this helps,
> >> >Sebastien.
> >> >
> >> >On Thu, Dec 6, 2012 at 11:09 PM, Corbin, James
> >> >wrote:
> >> >
> >> >> I have a ListView that renders items that are populated from user
> >>cookie
> >> >> data.  The ListView contains a "clear" action that is supposed to
> >>delete
> >> >> the cookies then refresh the ListView so it reflects that the cookie
> >> >>data
> >> >> was removed.  I have code that executes the deletion of the cookies
> >> >> (works), then I turn around and detach the ListView's model which
> >> >>triggers
> >> >> a rereading of the cookie data.  For some reason (probably works as
> >> >> designed), when the model is detach and reloads the cookies, they are
> >> >>still
> >> >> present.
> >> >> If I then force a page refresh, cookie data is in fact removed and
> >>the
> >> >> ListView is empty.
> >> >>
> >> >> Is there a way to attain this?  Am I missing something?  I really
> >>don't
> >> >> want to have to reload the page to see that the cookie data has been
> >> >> removed.
> >> >>
> >> >> J.D.
> >> >>
> >> >>
> >> >>
> >>
> >>
> >>
> >> -
> >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> >> For additional commands, e-mail: users-h...@wicket.apache.org
> >>
> >>
>
>
>
> -
> To

Re: Deleting Cookies

[Corbin, James]

Hi Sebastian,

Thanks for your feedback.  I wasn't recreating (semantics?) the Listview,
I was just refreshing it via ajax so it updates with the model changes.
What do you mean by "reattach the listview's parent-container"?  Do you
mean remove the listview and re-add it in the onbeforerender?

J.D.



On 12/6/12 4:16 PM, "Sebastien"  wrote:

>Well, I think it is because this is the same listview that is redisplayed,
>not the new one.
>The cause is that you did not add the new listview to its parent.
>
>But, I would have done a little bit differently because:
>1/ You do not have to recreate the listview in ajaxlink's onclick. just
>clear cookies and reattach the listview's parent-container
>2/ You do not have - generally speaking - to detach you model yourself
>and,
>moreover, it is not interesting to do it in the same request cycle. It
>should be end at the end of the previous cycle. The use of a LDM does this
>for you.
>
>So: just one ListView with a LDM, and it should be good.
>If it's still not, maybe the persistence of the cookie update is a little
>bit "slow" and IO-async... But I (means myself) could not help in a such
>case.
>
>Best regards,
>Sebastien.
>
>
>On Thu, Dec 6, 2012 at 11:41 PM, Corbin, James
>wrote:
>
>> The ListView is not in a form, which is why I am leaving the default for
>> setReuseItems to false.
>> I am using a LoadableDetachableModel and verified the load that rereads
>> the cookies, does in fact get called after I delete them (reset method
>> call below).  If I break in the load of the detachable model, it is
>> reading that there are still values for the cookies I deleted in the
>> previous step.
>>
>> Basically, here is the body of my Ajax Link's onClick,
>>
>> RecentlyViewedItemsCollection c = new
>> RecentlyViewedItemsCollection(util.getCurrentUser());
>> c.reset(); // this actually deletes all
>> the cookies
>> getModel().detach(); // this forces the
>> detachable model to call its
>> load, which attempts to re-read specific cookies that should no longer
>> exist
>>
>> target.add(RecentlyViewedItemsPanel.this.get("itemContainer")); //
>> lastly, I refresh the parent (WebMarkupContainer) of the ListView
>>
>> I would have expected that when the model's load method is called that
>>it
>> would see that the cookies were removed, but it still finds them.
>>
>> J.D.
>>
>>
>>
>>
>>
>>
>>
>>
>> On 12/6/12 3:29 PM, "Sebastien"  wrote:
>>
>> >Hi,
>> >
>> >Be sure to use a LoadableDetachableModel
>> >Also, maybe you set ListView#*setReuseItems* to true (because the
>>ListView
>> >is in a form)? You can set it to false if you have no validation and
>>then
>> >you will get fresh data (see ListView javadoc)
>> >
>> >Hope this helps,
>> >Sebastien.
>> >
>> >On Thu, Dec 6, 2012 at 11:09 PM, Corbin, James
>> >wrote:
>> >
>> >> I have a ListView that renders items that are populated from user
>>cookie
>> >> data.  The ListView contains a "clear" action that is supposed to
>>delete
>> >> the cookies then refresh the ListView so it reflects that the cookie
>> >>data
>> >> was removed.  I have code that executes the deletion of the cookies
>> >> (works), then I turn around and detach the ListView's model which
>> >>triggers
>> >> a rereading of the cookie data.  For some reason (probably works as
>> >> designed), when the model is detach and reloads the cookies, they are
>> >>still
>> >> present.
>> >> If I then force a page refresh, cookie data is in fact removed and
>>the
>> >> ListView is empty.
>> >>
>> >> Is there a way to attain this?  Am I missing something?  I really
>>don't
>> >> want to have to reload the page to see that the cookie data has been
>> >> removed.
>> >>
>> >> J.D.
>> >>
>> >>
>> >>
>>
>>
>>
>> -
>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>> For additional commands, e-mail: users-h...@wicket.apache.org
>>
>>



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Re: Deleting Cookies

[Sebastien]

Well, I think it is because this is the same listview that is redisplayed,
not the new one.
The cause is that you did not add the new listview to its parent.

But, I would have done a little bit differently because:
1/ You do not have to recreate the listview in ajaxlink's onclick. just
clear cookies and reattach the listview's parent-container
2/ You do not have - generally speaking - to detach you model yourself and,
moreover, it is not interesting to do it in the same request cycle. It
should be end at the end of the previous cycle. The use of a LDM does this
for you.

So: just one ListView with a LDM, and it should be good.
If it's still not, maybe the persistence of the cookie update is a little
bit "slow" and IO-async... But I (means myself) could not help in a such
case.

Best regards,
Sebastien.


On Thu, Dec 6, 2012 at 11:41 PM, Corbin, James wrote:

> The ListView is not in a form, which is why I am leaving the default for
> setReuseItems to false.
> I am using a LoadableDetachableModel and verified the load that rereads
> the cookies, does in fact get called after I delete them (reset method
> call below).  If I break in the load of the detachable model, it is
> reading that there are still values for the cookies I deleted in the
> previous step.
>
> Basically, here is the body of my Ajax Link's onClick,
>
> RecentlyViewedItemsCollection c = new
> RecentlyViewedItemsCollection(util.getCurrentUser());
> c.reset(); // this actually deletes all
> the cookies
> getModel().detach(); // this forces the
> detachable model to call its
> load, which attempts to re-read specific cookies that should no longer
> exist
>
> target.add(RecentlyViewedItemsPanel.this.get("itemContainer")); //
> lastly, I refresh the parent (WebMarkupContainer) of the ListView
>
> I would have expected that when the model's load method is called that it
> would see that the cookies were removed, but it still finds them.
>
> J.D.
>
>
>
>
>
>
>
>
> On 12/6/12 3:29 PM, "Sebastien"  wrote:
>
> >Hi,
> >
> >Be sure to use a LoadableDetachableModel
> >Also, maybe you set ListView#*setReuseItems* to true (because the ListView
> >is in a form)? You can set it to false if you have no validation and then
> >you will get fresh data (see ListView javadoc)
> >
> >Hope this helps,
> >Sebastien.
> >
> >On Thu, Dec 6, 2012 at 11:09 PM, Corbin, James
> >wrote:
> >
> >> I have a ListView that renders items that are populated from user cookie
> >> data.  The ListView contains a "clear" action that is supposed to delete
> >> the cookies then refresh the ListView so it reflects that the cookie
> >>data
> >> was removed.  I have code that executes the deletion of the cookies
> >> (works), then I turn around and detach the ListView's model which
> >>triggers
> >> a rereading of the cookie data.  For some reason (probably works as
> >> designed), when the model is detach and reloads the cookies, they are
> >>still
> >> present.
> >> If I then force a page refresh, cookie data is in fact removed and the
> >> ListView is empty.
> >>
> >> Is there a way to attain this?  Am I missing something?  I really don't
> >> want to have to reload the page to see that the cookie data has been
> >> removed.
> >>
> >> J.D.
> >>
> >>
> >>
>
>
>
> -
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
>
>

Re: Deleting Cookies

[Corbin, James]

The ListView is not in a form, which is why I am leaving the default for
setReuseItems to false.
I am using a LoadableDetachableModel and verified the load that rereads
the cookies, does in fact get called after I delete them (reset method
call below).  If I break in the load of the detachable model, it is
reading that there are still values for the cookies I deleted in the
previous step.

Basically, here is the body of my Ajax Link's onClick,

RecentlyViewedItemsCollection c = new
RecentlyViewedItemsCollection(util.getCurrentUser());
c.reset(); // this actually deletes all the 
cookies
getModel().detach(); // this forces the 
detachable model to call its
load, which attempts to re-read specific cookies that should no longer
exist

target.add(RecentlyViewedItemsPanel.this.get("itemContainer")); //
lastly, I refresh the parent (WebMarkupContainer) of the ListView

I would have expected that when the model's load method is called that it
would see that the cookies were removed, but it still finds them.

J.D.








On 12/6/12 3:29 PM, "Sebastien"  wrote:

>Hi,
>
>Be sure to use a LoadableDetachableModel
>Also, maybe you set ListView#*setReuseItems* to true (because the ListView
>is in a form)? You can set it to false if you have no validation and then
>you will get fresh data (see ListView javadoc)
>
>Hope this helps,
>Sebastien.
>
>On Thu, Dec 6, 2012 at 11:09 PM, Corbin, James
>wrote:
>
>> I have a ListView that renders items that are populated from user cookie
>> data.  The ListView contains a "clear" action that is supposed to delete
>> the cookies then refresh the ListView so it reflects that the cookie
>>data
>> was removed.  I have code that executes the deletion of the cookies
>> (works), then I turn around and detach the ListView's model which
>>triggers
>> a rereading of the cookie data.  For some reason (probably works as
>> designed), when the model is detach and reloads the cookies, they are
>>still
>> present.
>> If I then force a page refresh, cookie data is in fact removed and the
>> ListView is empty.
>>
>> Is there a way to attain this?  Am I missing something?  I really don't
>> want to have to reload the page to see that the cookie data has been
>> removed.
>>
>> J.D.
>>
>>
>>



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Re: Deleting Cookies

[Sebastien]

Hi,

Be sure to use a LoadableDetachableModel
Also, maybe you set ListView#*setReuseItems* to true (because the ListView
is in a form)? You can set it to false if you have no validation and then
you will get fresh data (see ListView javadoc)

Hope this helps,
Sebastien.

On Thu, Dec 6, 2012 at 11:09 PM, Corbin, James wrote:

> I have a ListView that renders items that are populated from user cookie
> data.  The ListView contains a "clear" action that is supposed to delete
> the cookies then refresh the ListView so it reflects that the cookie data
> was removed.  I have code that executes the deletion of the cookies
> (works), then I turn around and detach the ListView's model which triggers
> a rereading of the cookie data.  For some reason (probably works as
> designed), when the model is detach and reloads the cookies, they are still
> present.
> If I then force a page refresh, cookie data is in fact removed and the
> ListView is empty.
>
> Is there a way to attain this?  Am I missing something?  I really don't
> want to have to reload the page to see that the cookie data has been
> removed.
>
> J.D.
>
>
>

Deleting Cookies

[Corbin, James]

I have a ListView that renders items that are populated from user cookie data.  
The ListView contains a "clear" action that is supposed to delete the cookies 
then refresh the ListView so it reflects that the cookie data was removed.  I 
have code that executes the deletion of the cookies (works), then I turn around 
and detach the ListView's model which triggers a rereading of the cookie data.  
For some reason (probably works as designed), when the model is detach and 
reloads the cookies, they are still present.
If I then force a page refresh, cookie data is in fact removed and the ListView 
is empty.

Is there a way to attain this?  Am I missing something?  I really don't want to 
have to reload the page to see that the cookie data has been removed.

J.D.

RE: Model is null after submit, using FormComponentPanel

[Paul Bors]

Clean it, zip it and just publish it somewhere where you can post the URL in
a reply to this thread :)

~ Thank you,
  Paul Bors

-Original Message-
From: Raul [mailto:ralva...@netwie.com] 
Sent: Thursday, December 06, 2012 3:32 PM
To: users@wicket.apache.org
Subject: RE: Model is null after submit, using FormComponentPanel

I created a quickstart, Where I can upload it for what you may see?



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RE: Model is null after submit, using FormComponentPanel

[Paul Bors]

Assuming that you don't set a model for the FormComponet won't Wicket fail
back to the CompountPropertyModel of the form?

Who will perform the conversion then?

I only override FormComponentPanel#convertInput() when I force my clients to
provide the model for my FormComponentPanel and even then I delegate the
call to another form component :)

e.g.

/**
 * {@link FormComponentPanel} that hosts the label and form component with a
shared model.
 * The label can be aligned around the form field given the {@link LABEL}
value constants.
 * 
 * @param 
 *  F = The form field type (e.g. TextField, CheckBox etc.)
 *  M = The model object type of the form field
 */
public class LabeledFormField
extends FormComponentPanel {
...
public LabeledFormField(String id, IModel model, ...) {
...
}
...
/**
 * Propagate changes into the real valid model via the
FormComponentPanel.convertInput() method.
 * {@inheritDoc}
 */
@Override
@SuppressWarnings("unchecked")
protected void convertInput() {
FormComponent formComponent = ...
if(formComponent != null) {
setConvertedInput((M)formComponent.getConvertedInput());
}
}
...
}

Above class warps around all the form field I use to ensure that
accessibility is supported.

I did so per the recommendation of Wicket:
http://ci.apache.org/projects/wicket/apidocs/6.0.x/org/apache/wicket/markup/
html/form/FormComponentPanel.html

It is recommended that you override FormComponent.convertInput() and let it
set the value that represents the compound value of the nested components.
Often, this goes hand-in-hand with overriding Component.onBeforeRender(),
where you would analyze the model value, break it up and distribute the
appropriate values over the child components.

But if you have a CompoundPropertyModel, do you really need to do all this
conversion?
Wouldn't the form component wrapped inside the panel handle it itself?

I had to delegate the call because I don't always use a
CompoundProeprtyModel.

~ Thank you,
  Paul Bors

-Original Message-
From: Joachim Schrod [mailto:jsch...@acm.org] 
Sent: Thursday, December 06, 2012 2:05 PM
To: users@wicket.apache.org
Subject: Re: Model is null after submit, using FormComponentPanel

Paul Bors wrote:
> I would suggest overriding FormComponentPanel#convertInput() only if 
> your domain object can't be easily converted by Wicket given the model you
have.
> 
> If you're using CompoundPropertyModel and set the model on your 
> FormComponentPanel then your TextField ID and type should be all you 
> need for wicket to know which getter/setter to call.

Really? That's not possible in an 1.4-based application, IMHO.

FormComponentPanel is a FormComponent, i.e., it participates in conversion,
validation, and update Model. When that FormComponentPanel has an associated
model, e.g., a CompoundPropertyModel, its getInputAsArray() will return
null, null will be stored as convertedInput, and updateModel() will set the
CompoundPropertyModel's object to that null value.

When sub-widgets of a FormComponentPanel do all the work necessary, and the
FormComponentPanel has a model of its own, I often override
updateModel() to be an empty method, to prevent the behavior named above
from happening.

Best,
Joachim

--
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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Email: jsch...@acm.org


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RE: Model is null after submit, using FormComponentPanel

[Raul]

I created a quickstart, Where I can upload it for what you may see?



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AjaxLazyLoadingPanel finished event?

[pkc]

Hi Everyone,

I need to update a feedback panel with some info after a lazy load panel
finishes getting its data.  I was looking for a method like "onPanelLoaded(
AjaxRequestTarget target )" but didn't see anything so not sure how to get
my feedback panel refreshed.

Thanks for any tips.



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Potential XSS-Vulnerability due to the way Wicket renders JavaScript in CDATA blocks?

[spam2...@meeque.de]

Hello List,


I must admit, I don't follow here too closely. But I've searched the
archive and Wicket's Jira, and have not found much discussion regarding
this Issue. So let me elaborate...


A partner pointed me to a XSS vulnerability in one of our websites built
with Wicket. The respective page uses a lot of custom JS code, and some
of it interacts with the backend, too. We use
AbstractDefaultAjaxBehavior.getCallbackUrl() to build the respective
URLs. This apparently includes URL-parameters that were used to access
the original page, no matter if these parameters are needed by the
Wicket application or not. Hence an attacker can manipulate theses URLs,
and render them into the page. 

In Wicket 1.5. that caused injection trouble when such a tampered URL
contains the closing of an XML CDATA block, i.e. the characters ]]>.
We're currently migrating the website to Wicket 6 (great work on the JS
integration there btw.) where this kind of injection does not work.
Apparently, the URLs that are returned by
AbstractDefaultAjaxBehavior.getCallbackUrl() are already sanitized. So
no more problem for us here. 


However, that all started me thinking. And in the end I could construct
a similar XSS vulnerability, even with Wicket 6.0. Here's an example,
using an IHeaderResponse:

response.render( new OnDomReadyHeaderItem( "var foo = 'Injecting CDATA
section end-tag ... ]]> ... in order to break out of script
block'" ) );

Of course, the above is just a demo, using a static string. However, it
might aswell contain dynamic data constructed from user input. Point
being, it is a string of perfectly legitimate JavaScript code. So
JS-escaping wouldn't help much. Still it introduces a serious XSS
vulnerability IMHO.

Btw, the documentation of OnDomReadyHeaderItem merely speaks of
JavaScript -- it does not mention anything about encoding it. So as a
caller I assumed, OnDomReadyHeaderItem (or more generally Wicket) would
take care of proper escaping. 

Also, I don't think OnDomReadyHeaderItem is the only way to reproduce
this. I suspect such injection is possible almost anywhere Wicket
renders JavaScript. In particular, Wicket code ads its own
 markers around JS code-blocks in HTML. So shouldn't it
also make sure, that these code-blocks don't contain the charactes ]]>
themselves? And somehow escape them, if needed?


Sorry, if all of that has already been discussed. I noticed a long time
ago that Wicket uses CDATA blocks for JS code. And I always assumed
Wicket would take appropriate measures to prevent code from breaking out
of these blocks. So I'm a little worried about my discovery. 


Regards,
Michael


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Re: Model is null after submit, using FormComponentPanel

[Joachim Schrod]

Paul Bors wrote:
> I would suggest overriding FormComponentPanel#convertInput() only if your
> domain object can't be easily converted by Wicket given the model you have.
> 
> If you're using CompoundPropertyModel and set the model on your
> FormComponentPanel then your TextField ID and type should be all you need
> for wicket to know which getter/setter to call.

Really? That's not possible in an 1.4-based application, IMHO.

FormComponentPanel is a FormComponent, i.e., it participates in
conversion, validation, and update Model. When that
FormComponentPanel has an associated model, e.g., a
CompoundPropertyModel, its getInputAsArray() will return null, null
will be stored as convertedInput, and updateModel() will set the
CompoundPropertyModel's object to that null value.

When sub-widgets of a FormComponentPanel do all the work necessary,
and the FormComponentPanel has a model of its own, I often override
updateModel() to be an empty method, to prevent the behavior named
above from happening.

Best,
Joachim

-- 
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Joachim Schrod, Roedermark, Germany
Email: jsch...@acm.org


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Re: How to call a Wicket Ajax click event

[Jered Myers]

I am able to make this work in a Quickstart, so there must be something 
else wrong.  Thanks for the response Martin.


Here is code if anybody wants an example:
Java:
AjaxLink standardAjaxLink = new 
AjaxLink("standardAjaxLink")

{
private static final long serialVersionUID = 1L;

@Override
public void onClick(AjaxRequestTarget target)
{
target.appendJavaScript("alert('The standard ajax link 
has been clicked');");

}
};
standardAjaxLink.setOutputMarkupId(true);
add(standardAjaxLink);

Form form = new Form("pageForm");
add(form);

AjaxSubmitLink ajaxSubmitLink = new 
AjaxSubmitLink("ajaxSubmitLink")

{
private static final long serialVersionUID = 1L;

@Override
public void onSubmit(AjaxRequestTarget target, Form form)
{
target.appendJavaScript("alert('The ajax submit link 
has been subimtted');");

}
};
form.add(ajaxSubmitLink);

HTML:

function clickTheAjaxLink() {
$("a[linkType=standard]").triggerHandler("click");
}
function clickTheAjaxSubmitLink() {
$("a[linkType=submit]").triggerHandler("click");
}

Click the Ajax 
Link Standard 
Ajax Link


Click the 
Ajax Submit Link



Submit 
Form



On 12/06/2012 12:16 AM, Martin Grigorov wrote:

Hi,

Wicket 6 uses jQuery.on() to register the event listeners.
If your AjaxSubmitLink listens on 'click' then
jQuery('#theSubmitLinkId').triggerHandler('click') should do it.
Also check the docs of jQuery#trigger


On Thu, Dec 6, 2012 at 1:53 AM, Jered Myers wrote:


The link here is actually an AjaxSubmitLink and not an AjaxLink.  I am
trying to get back to the onSubmit on the server side.  I saw
http://apache-wicket.1842946.**n4.nabble.com/Wicket-6-Ajax-**
Behaviors-td4654398.html,
but $(mylink).triggerHandler('**click') doesn't seem to be working. Do I
treat the trigger on an AjaxSubmitLink different from a regular AjaxLink?


On 12/05/2012 03:28 PM, Jered Myers wrote:


Wicket 6.3

How do I call a click event on an AjaxLink from via jQuery or JavaScript?
  I have an AjaxLink that I have added to the page and after I run some
JavaScript, I want to pragmatically click the link with JavaScript.  This
broke when updating from Wicket 1.5 to 6.  It appears that the onclick
attribute is no longer on my link and I am not sure how to call the events
that Wicket has registered in the head.







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Re: Recommended way to hide and show table rows dynamically?

[William Speirs]

This might be of zero use to you, but I had something similar where I was
exposing a table row by button/link. I created a somewhat generic solution
and posted it here: https://github.com/wspeirs/wicket-details-table

Bill-


On Thu, Dec 6, 2012 at 12:40 PM, shimin_q  wrote:

> I have a table that includes only two rows when it is first loaded, but
> later, depending on the selected value of the first row, I will need to add
> a number of rows to the table.  I assume it is a quite common AJAX task, is
> there a recommended way to do this?  My existing way of handing this has
> run
> into an issue where all the DropDownChoice (select option menu on HTML)
> components that were dynamically added to the table are unable to display
> the selected value after user selection, so I am trying to figure out if it
> is due to my existing AJAX code...   (I am using latest wicket 6.3 and
> jQuery mobile 1.8.2)
>
> Here is the html portion:
>
>
> 
> 
> 
> message
>
> 
> 
>
>
>
>
>
>
>   class="requiredLabel">Metaprofile Type
>   wicket:id="type">
>   default
> 
>
>
>
>   class="requiredLabel">Metaprofile
> Name
>   wicket:id="profileName"/>
>
>
>
>
>
>
>   class="requiredLabel">OXE Node
> 
>   OXENode
> 
>
>
>
>   class="requiredLabel">Free Number Range
>  
>
>
>
>class="requiredLabel">Device Type
>  
>   SIP Extension
> 
>
> ...
>
>
> Now the Wicket code for these:
>
> profileTypeBox = new
> DropDownChoice("type",
> new
> PropertyModel(profile, "type"),
> Arrays.asList(MetaProfileType.values()),
> new IChoiceRenderer() {
> private static final long
> serialVersionUID = 1L;
> @Override
> public Object
> getDisplayValue(MetaProfileType object) {
> return object.name();
> }
> @Override
> public String
> getIdValue(MetaProfileType object, int index) {
> return object.name();
> }
> }
> );
> profileTypeBox.setOutputMarkupId(true);
> add(profileTypeBox);
>
> profileTypeBox.add(new
> AjaxFormComponentUpdatingBehavior("onChange") {
> private static final long serialVersionUID = 1L;
> protected void onUpdate(AjaxRequestTarget target) {
> resetFieldsPerProfileType(target);
> //add any component that will be called in
> resetFieldsPerProfileType()
> target.add(oxeNodeAsteriskImg);
> target.add(oxeNodeLabel);
> target.add(oxeNodeBox);
> target.add(rangeAsteriskImg);
> target.add(rangeLabel);
> target.add(freeNumRangeBox);
> target.add(deviceTypeAsteriskImg);
> target.add(deviceTypeLabel);
> target.add(deviceTypeBox);
> //...
> };
> });
>
> //...
> oxeNodeModel = new
> LoadableDetachableModel>() {
> private static final long serialVersionUID
> = 1L;
> @Override
> protected List load() {
> try {
> List names = null;
> if ((profile!=null) &&
> (profile.getType().equals(MetaProfileType.OXE)
> || profile.getType().equals(MetaProfileType.OXE_WITH_OT)))
> names =
> getOXENodeList();
> if (names == null)
> return
> Collections.emptyList();
> else {
> return names;
> }
> }
> catch (Exception e) {
> return
> Collections.empt

Recommended way to hide and show table rows dynamically?

[shimin_q]

I have a table that includes only two rows when it is first loaded, but
later, depending on the selected value of the first row, I will need to add
a number of rows to the table.  I assume it is a quite common AJAX task, is
there a recommended way to do this?  My existing way of handing this has run
into an issue where all the DropDownChoice (select option menu on HTML)
components that were dynamically added to the table are unable to display
the selected value after user selection, so I am trying to figure out if it
is due to my existing AJAX code...   (I am using latest wicket 6.3 and
jQuery mobile 1.8.2)

Here is the html portion:





message



  

  
  
  
 
 Metaprofile Type
 
  default
 


 
 Metaprofile 
Name
  
  




 
 OXE Node

  OXENode



 
 Free Number Range
 


 
  Device Type
 
  SIP Extension
 

...


Now the Wicket code for these:

profileTypeBox = new DropDownChoice("type",
new PropertyModel(profile, 
"type"),
Arrays.asList(MetaProfileType.values()),
new IChoiceRenderer() {
private static final long 
serialVersionUID = 1L;
@Override
public Object 
getDisplayValue(MetaProfileType object) {
return object.name();
}
@Override
public String 
getIdValue(MetaProfileType object, int index) {
return object.name();
}
}
);
profileTypeBox.setOutputMarkupId(true);
add(profileTypeBox);
 
profileTypeBox.add(new 
AjaxFormComponentUpdatingBehavior("onChange") {
private static final long serialVersionUID = 1L;
protected void onUpdate(AjaxRequestTarget target) {
resetFieldsPerProfileType(target);
//add any component that will be called in 
resetFieldsPerProfileType()
target.add(oxeNodeAsteriskImg);
target.add(oxeNodeLabel);
target.add(oxeNodeBox);
target.add(rangeAsteriskImg);
target.add(rangeLabel);
target.add(freeNumRangeBox);
target.add(deviceTypeAsteriskImg);
target.add(deviceTypeLabel);
target.add(deviceTypeBox);
//...
};
});

//...
oxeNodeModel = new 
LoadableDetachableModel>() {
private static final long serialVersionUID = 1L;
@Override
protected List load() {
try {
List names = null;
if ((profile!=null) && 
(profile.getType().equals(MetaProfileType.OXE)
|| profile.getType().equals(MetaProfileType.OXE_WITH_OT)))
names = 
getOXENodeList();
if (names == null)
return 
Collections.emptyList();
else {
return names;
}
}
catch (Exception e) {
return Collections.emptyList();
}
}
};
}
oxeNodeBox = new DropDownChoice("oxeNode",
new PropertyModel(profile, "oxeNodeName"), 
oxeNodeModel);   

IChoiceRenderer rendererd = new 
IChoiceRenderer() {
private static final long serialVersionUID = 1L;
  pub

WebSockets questions

[Maxim Solodovnik]

Hello,

I'm trying to add WebSocketBehavior to our project (Apache Openmeetings
Incubating)

Unfortunately my first attempts were unsuccessful :(

Configuration:
1) custom Tomcat7 (Red5 server on the top of Servlet Engine: Apache
Tomcat/7.0.32 embedded)
2) Sun JDK 1.7.09
3) Ubuntu 12.10
4) Wicket 6.3.0
5) Google Chrome 24.0.1312.32 beta
6) One page architecture with custom HomePageMapper
https://svn.apache.org/repos/asf/incubator/openmeetings/trunk/singlewebapp/src/org/apache/openmeetings/web/app/Application.java

What I did:
1) set org.apache.wicket.protocol.http.Tomcat7WebSocketFilter
2) add new WebSocketBehavior() to the page

Errors:
1) if the page is accessed via
http://localhost:5080/openmeetings/html/#admin/configs URL I get "URL has
fragment component
ws://localhost:5080/openmeetings/html/#admin/configs&pageId=8" error

2) if the page is accessed via http://localhost:5080/openmeetings/html/ I
get
java.lang.IllegalStateException: Request parameter 'pageId' is required!
in the error log

I believe error 1) above is bug, I'm I right?
Maybe anybody can suggest how to handle error 2) ?

I would really appreciate any help :)

-- 
WBR
Maxim aka solomax

RE: Model is null after submit, using FormComponentPanel

[Paul Bors]

I would suggest overriding FormComponentPanel#convertInput() only if your
domain object can't be easily converted by Wicket given the model you have.

If you're using CompoundPropertyModel and set the model on your
FormComponentPanel then your TextField ID and type should be all you need
for wicket to know which getter/setter to call.

Since you mentioned that you can see the values rendered okay but you can't
change them via your form submit I would ask to see the full picture.

Can you create a quick start and show it to us?
http://wicket.apache.org/start/quickstart.html

Also take a look at FormComponentPanel's direct known subclasses:
DateTimeField, MultiFileUploadField, Multiply

~ Thank you,
  Paul Bors

-Original Message-
From: Raul [mailto:ralva...@netwie.com] 
Sent: Thursday, December 06, 2012 10:35 AM
To: users@wicket.apache.org
Subject: Re: Model is null after submit, using FormComponentPanel

I've tried to override FormComponentPanel#convertInput (),  but in the
execution of this, both the method TextField#getConvertedInput () and
TextField#getModelObject () return null. By the way I'm using Wicket 6.3



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Re: Model is null after submit, using FormComponentPanel

[Raul]

I've tried to override FormComponentPanel#convertInput (),  but in the
execution of this, both the method TextField#getConvertedInput () and
TextField#getModelObject () return null. By the way I'm using Wicket 6.3



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Re: Syncing files with designers

[Edgar Merino]

Thanks again for the response. For the first part I had it already 
figured out, but having a concrete example is always helpful.


> We thought the same - but this not manageable with more than 50 files 
in one folder. So we decide to use folders - as already mentioned. 
Perhaps I'll write a tutorial...


How did you manage relative links in markup? With css resources it won't 
be a problem, the designers can add their resources using href="../css/style.css"> and any relative url in it will 
translate to the right path, however this is not true for relative paths 
inside the html document:  for example, will 
be a problem since wicket always resolves relatives paths from the web 
root (or webapp folder).


Do you include the resources you need inside all of your folders so 
relative paths resolve correctly outside and inside the wicket application?



Thanks in advance,
Edgar Merino


On 05/12/12 10:56, Jan Riehn wrote:

Hello Edgar,

> I think I'm missing something: since every WebPage in wicket has 
straight access to resources located in the web root  (that is, every 
path reference in the page's markup is relative to the web root)


Wicket is able to locate resources outside of the web application: 
This could be done by implementing an own IResourceFinder:


public final class FileSystemResourceFinder implements IResourceFinder {
private final Resource resource;

public FileSystemResourceFinder(Resource resource) {
this.resource = resource;
}

@Override
public IResourceStream find(Class clazz, String pathname) {
try {
final File file = new File(resource.getFile(), pathname);
if (file.exists()) {
return new FileResourceStream(file);
}
} catch (final IOException e) {
// ignore, file couldn't be found
}
return null;
}
}

At least you've to add the resource finder to the resource finders 
list with getResourceSettings().setResourceFinders(resourceFinderList) 
in your applications init method. Alternatively, implement a custom 
ResourceStreamLocator. At first the Locator should use the 
FileSystemResourceFinder - if there's no match the locator should 
fallback to wicket's default resource finder. So far, your application 
is able to locate resources from the local file system.


> I would like to avoid using folders to organise html files so the 
designers can put all the resources they need in their root folder. 
The mechanism you describe, seems to use folders, how are you managing 
this for the designers?


We thought the same - but this not manageable with more than 50 files 
in one folder. So we decide to use folders - as already mentioned. 
Perhaps I'll write a tutorial...



Best regards,

Jan


On 12/05/2012 02:49 PM, Edgar Merino wrote:
Hello Jan, that seems like a good approach. However, I think I'm 
missing something: since every WebPage in wicket has straight access 
to resources located in the web root (that is, every path reference 
in the page's markup is relative to the web root), I would like to 
avoid using folders to organize html files so the designers can put 
all the resources they need in their root folder. The mechanism you 
describe, seems to use folders, how are you managing this for the 
designers?



Edgar Merino


On 04/12/12 04:15, Jan Riehn wrote:

Hello Edgar,

Yes, this is how it works.

For the best separation of the responsibilities, you may store the 
resources outside of the web application (Think about a complete 
physical separation).
We've made a good experience to break-off with wicket's given 
package structure - wicket’s resource localization does not fit with 
a separation of the responsibilities: the web designer has no 
knowledge about the internal package structure and it's not 
resistant against refactoring. Therefore, we use a more technical 
mechanism based on style, variation locale and the filename.


1. /

Re: stateless AjaxLazyLoadPanel wicket 1.4.21

[Karsten Gaul]

The exception is thrown when this = content and path = myForm:enumChoice
It seems the content has no other children as it only contains a parent 
member field


I already tested the stateful version and can confirm it works OK which 
made me hope I could write a similar version for stateless pages as well.


Am 06.12.2012 13:00, schrieb Martin Grigorov:

On Thu, Dec 6, 2012 at 12:57 PM, Karsten Gaul wrote:


Hi Martin,

myContent is the id of the StatelessAjaxLazyLoadPanel which contains a
constant

private static final String LAZY_LOAD_COMPONENT_ID = "content";

which is used in getLazyLoadComponent(String markupId). 'myContent'
contains the lazy load component 'content'.

StatelessAjaxLazyLoadComponent is added to a WebMarkupContainer which
itself is added to MyPage.

If you look at the source of AjaxLazyLoadPanel the 'content' (added in
onBeforeRender) is replaced in the respond method of the Behavior. Could
that be the reason why it is not a container?


The default (stateful) version works OK, so the problem seems to be that
when the Ajax call is made a new page is created (this is what stateless
means) and when it tries to find the lazy panel or its component (I'm not
sure which one) it fails to find it.
The debugger will tell you what exactly happens.



Regards,
Karsten

Am 06.12.2012 12:37, schrieb Martin Grigorov:


On Thu, Dec 6, 2012 at 11:53 AM, Karsten Gaul **
wrote:

  Trying to:

/// StatelessAbstractDefaultAjaxBehavior ///


@Override
  public CharSequence getCallbackUrl(final boolean
onlyTargetActivePage)
  {
  final CharSequence url = super.getCallbackUrl(**

onlyTargetActivePage);
  final PageParameters params = getPageParameters();
  // NOTE: quick hack to remove old and obsolete "random"
parameter
from request (see wicket-ajax.js)
  if (params!=null && params.containsKey("random"))
  params.remove("random");
  return StatelessEncoder.appendParameters(url, params);

  }


StatelessEncoder appends params to WebRequestEncoder
stateless hint -> true

In the StatelessAjaxLazyLoadPanel I'm using this Behavior instead of the
usual AbstractDefaultAjaxBehavior

/// My Page ///

onInitialize()
{
  add( new StatelessAjaxLazyLoadPanel("myContent")

  Here we see "myContent" id.


   {

  private static final long serialVersionUID = 1L;

  @Override
  public Component getLazyLoadComponent( String markupId )
  {
  return new MyContentPanel( markupId );
  }

  @Override
  public PageParameters getPageParameters()
  {
  return pageParameters;
  }
  } );
}

/// MyContentPanel ///

Form form = new Form("myForm");
form.add( new DropDownChoice("enumChoice"));
add(form);


java.lang.IllegalArgumentException: Component is not a container
and so
does not contain the path myForm:enumChoice:

[Component id = content]

  Here it complains about "content". What is the relation between

'myContent'
and 'content'  component ?

Which component adds the StatelessAjaxLazyLoadPanel ?


at org.apache.wicket.Component.get(Component.java:4500)

  Put a breakpoint here and see what is in the context. What is 'this',

what
in its 'children' member field.
'myForm' has children with 'enumChoice' inside, then 'enumChoce' becomes
'this and you need to see how to get to the lazy load panel and its lazy
load component.


at org.apache.wicket.MarkupContainer.get(**

MarkupContainer.java:354)
  at org.apache.wicket.MarkupContainer.get(
MarkupContainer.java:354)
  at org.apache.wicket.MarkupContainer.get(
MarkupContainer.java:354)
  at org.apache.wicket.MarkupContainer.get(
MarkupContainer.java:354)
  at org.apache.wicket.MarkupContainer.get(
MarkupContainer.java:354)
  at org.apache.wicket.MarkupContainer.get(
MarkupContainer.java:354)


Would that be sufficient?

Thanks,
Karsten


Am 06.12.2012 11:30, schrieb Martin Grigorov:

  Show us some code and the real exception.


On Thu, Dec 6, 2012 at 11:26 AM, Karsten Gaul 
**

wrote:

   Hi guys,


I still have no clue. Any suggestions? A work-around would also be much
appreciated. I need to stay stateless but I definetely need this lazy
loading as I have to wait for a soap response every 10 mins and for
user
experience issues need to display some loading component/icon as
provided
by AjaxLazyLoadPanel.

Thanks,
Karsten

Am 05.12.2012 09:38, schrieb Karsten Gaul:

Hi,

  I'm trying to use the functionality of an AjaxLazyLoadPanel in a

stateless page but this doesn't seem to work as the injected content
is
not
a container and the following exception is thrown:

java.lang.**IllegalArgumentException: Component is not a
container
and
so does not contain the path componentid:**containedcomponentid:

[Component id = content]

at org.apache.wicket

Re: stateless AjaxLazyLoadPanel wicket 1.4.21

[Martin Grigorov]

On Thu, Dec 6, 2012 at 12:57 PM, Karsten Gaul wrote:

> Hi Martin,
>
> myContent is the id of the StatelessAjaxLazyLoadPanel which contains a
> constant
>
> private static final String LAZY_LOAD_COMPONENT_ID = "content";
>
> which is used in getLazyLoadComponent(String markupId). 'myContent'
> contains the lazy load component 'content'.
>
> StatelessAjaxLazyLoadComponent is added to a WebMarkupContainer which
> itself is added to MyPage.
>
> If you look at the source of AjaxLazyLoadPanel the 'content' (added in
> onBeforeRender) is replaced in the respond method of the Behavior. Could
> that be the reason why it is not a container?
>

The default (stateful) version works OK, so the problem seems to be that
when the Ajax call is made a new page is created (this is what stateless
means) and when it tries to find the lazy panel or its component (I'm not
sure which one) it fails to find it.
The debugger will tell you what exactly happens.


>
> Regards,
> Karsten
>
> Am 06.12.2012 12:37, schrieb Martin Grigorov:
>
>> On Thu, Dec 6, 2012 at 11:53 AM, Karsten Gaul **
>> wrote:
>>
>>  Trying to:
>>>
>>> /// StatelessAbstractDefaultAjaxBehavior ///
>>>
>>>
>>> @Override
>>>  public CharSequence getCallbackUrl(final boolean
>>> onlyTargetActivePage)
>>>  {
>>>  final CharSequence url = super.getCallbackUrl(**
>>>
>>> onlyTargetActivePage);
>>>  final PageParameters params = getPageParameters();
>>>  // NOTE: quick hack to remove old and obsolete "random"
>>> parameter
>>> from request (see wicket-ajax.js)
>>>  if (params!=null && params.containsKey("random"))
>>>  params.remove("random");
>>>  return StatelessEncoder.appendParameters(url, params);
>>>
>>>  }
>>>
 StatelessEncoder appends params to WebRequestEncoder
>
 stateless hint -> true
>>>
>>> In the StatelessAjaxLazyLoadPanel I'm using this Behavior instead of the
>>> usual AbstractDefaultAjaxBehavior
>>>
>>> /// My Page ///
>>>
>>> onInitialize()
>>> {
>>>  add( new StatelessAjaxLazyLoadPanel("myContent")
>>>
>>>  Here we see "myContent" id.
>>
>>
>>   {
>>>  private static final long serialVersionUID = 1L;
>>>
>>>  @Override
>>>  public Component getLazyLoadComponent( String markupId )
>>>  {
>>>  return new MyContentPanel( markupId );
>>>  }
>>>
>>>  @Override
>>>  public PageParameters getPageParameters()
>>>  {
>>>  return pageParameters;
>>>  }
>>>  } );
>>> }
>>>
>>> /// MyContentPanel ///
>>>
>>> Form form = new Form("myForm");
>>> form.add( new DropDownChoice("enumChoice"));
>>> add(form);
>>>
>>>
>>> java.lang.IllegalArgumentException: Component is not a container
>>> and so
>>> does not contain the path myForm:enumChoice:
>>>
>>> [Component id = content]
>>>
>>>  Here it complains about "content". What is the relation between
>> 'myContent'
>> and 'content'  component ?
>>
>> Which component adds the StatelessAjaxLazyLoadPanel ?
>>
>>
>>at org.apache.wicket.Component.get(Component.java:4500)
>>>
>>>  Put a breakpoint here and see what is in the context. What is 'this',
>> what
>> in its 'children' member field.
>> 'myForm' has children with 'enumChoice' inside, then 'enumChoce' becomes
>> 'this and you need to see how to get to the lazy load panel and its lazy
>> load component.
>>
>>
>>at org.apache.wicket.MarkupContainer.get(**
>>> MarkupContainer.java:354)
>>>  at org.apache.wicket.MarkupContainer.get(
>>> MarkupContainer.java:354)
>>>  at org.apache.wicket.MarkupContainer.get(
>>> MarkupContainer.java:354)
>>>  at org.apache.wicket.MarkupContainer.get(
>>> MarkupContainer.java:354)
>>>  at org.apache.wicket.MarkupContainer.get(
>>> MarkupContainer.java:354)
>>>  at org.apache.wicket.MarkupContainer.get(
>>> MarkupContainer.java:354)
>>>
>>>
>>> Would that be sufficient?
>>>
>>> Thanks,
>>> Karsten
>>>
>>>
>>> Am 06.12.2012 11:30, schrieb Martin Grigorov:
>>>
>>>  Show us some code and the real exception.


 On Thu, Dec 6, 2012 at 11:26 AM, Karsten Gaul >>> >**
 wrote:

   Hi guys,

> I still have no clue. Any suggestions? A work-around would also be much
> appreciated. I need to stay stateless but I definetely need this lazy
> loading as I have to wait for a soap response every 10 mins and for
> user
> experience issues need to display some loading component/icon as
> provided
> by AjaxLazyLoadPanel.
>
> Thanks,
> Karsten
>
> Am 05.12.2012 09:38, schrieb Karsten Gaul:
>
>Hi,
>
>  I'm trying to use the functionality of an AjaxLazyLoadPanel in a
>> stateless page but this doesn't seem to work as the injected content
>> is
>> not
>> a container and the following exception is thrown:
>>
>> java.la

Re: stateless AjaxLazyLoadPanel wicket 1.4.21

[Karsten Gaul]

Hi Martin,

myContent is the id of the StatelessAjaxLazyLoadPanel which contains a 
constant


private static final String LAZY_LOAD_COMPONENT_ID = "content";

which is used in getLazyLoadComponent(String markupId). 'myContent' 
contains the lazy load component 'content'.


StatelessAjaxLazyLoadComponent is added to a WebMarkupContainer which 
itself is added to MyPage.


If you look at the source of AjaxLazyLoadPanel the 'content' (added in 
onBeforeRender) is replaced in the respond method of the Behavior. Could 
that be the reason why it is not a container?


Regards,
Karsten

Am 06.12.2012 12:37, schrieb Martin Grigorov:

On Thu, Dec 6, 2012 at 11:53 AM, Karsten Gaul wrote:


Trying to:

/// StatelessAbstractDefaultAjaxBe**havior ///

@Override
 public CharSequence getCallbackUrl(final boolean onlyTargetActivePage)
 {
 final CharSequence url = super.getCallbackUrl(**
onlyTargetActivePage);
 final PageParameters params = getPageParameters();
 // NOTE: quick hack to remove old and obsolete "random" parameter
from request (see wicket-ajax.js)
 if (params!=null && params.containsKey("random"))
 params.remove("random");
 return StatelessEncoder.**appendParameters(url, params);
 }

StatelessEncoder appends params to WebRequestEncoder

stateless hint -> true

In the StatelessAjaxLazyLoadPanel I'm using this Behavior instead of the
usual AbstractDefaultAjaxBehavior

/// My Page ///

onInitialize()
{
 add( new StatelessAjaxLazyLoadPanel("**myContent")


Here we see "myContent" id.



 {
 private static final long serialVersionUID = 1L;

 @Override
 public Component getLazyLoadComponent( String markupId )
 {
 return new MyContentPanel( markupId );
 }

 @Override
 public PageParameters getPageParameters()
 {
 return pageParameters;
 }
 } );
}

/// MyContentPanel ///

Form form = new Form("myForm");
form.add( new DropDownChoice("**enumChoice"));
add(form);

java.lang.**IllegalArgumentException: Component is not a container and so
does not contain the path myForm:enumChoice:

[Component id = content]


Here it complains about "content". What is the relation between 'myContent'
and 'content'  component ?

Which component adds the StatelessAjaxLazyLoadPanel ?



  at org.apache.wicket.Component.**get(Component.java:4500)


Put a breakpoint here and see what is in the context. What is 'this', what
in its 'children' member field.
'myForm' has children with 'enumChoice' inside, then 'enumChoce' becomes
'this and you need to see how to get to the lazy load panel and its lazy
load component.



  at org.apache.wicket.**MarkupContainer.get(**
MarkupContainer.java:354)
 at org.apache.wicket.**MarkupContainer.get(**MarkupContainer.java:354)
 at org.apache.wicket.**MarkupContainer.get(**MarkupContainer.java:354)
 at org.apache.wicket.**MarkupContainer.get(**MarkupContainer.java:354)
 at org.apache.wicket.**MarkupContainer.get(**MarkupContainer.java:354)
 at org.apache.wicket.**MarkupContainer.get(**MarkupContainer.java:354)

Would that be sufficient?

Thanks,
Karsten


Am 06.12.2012 11:30, schrieb Martin Grigorov:


Show us some code and the real exception.


On Thu, Dec 6, 2012 at 11:26 AM, Karsten Gaul **
wrote:

  Hi guys,

I still have no clue. Any suggestions? A work-around would also be much
appreciated. I need to stay stateless but I definetely need this lazy
loading as I have to wait for a soap response every 10 mins and for user
experience issues need to display some loading component/icon as provided
by AjaxLazyLoadPanel.

Thanks,
Karsten

Am 05.12.2012 09:38, schrieb Karsten Gaul:

   Hi,


I'm trying to use the functionality of an AjaxLazyLoadPanel in a
stateless page but this doesn't seem to work as the injected content is
not
a container and the following exception is thrown:

java.lang.IllegalArgumentException: Component is not a container
and
so does not contain the path componentid:containedcomponentid:

[Component id = content]

   at org.apache.wicket.Component.get(Component.java:4500)
   at org.apache.wicket.MarkupContainer.get(**
MarkupContainer.java:354)


I wrote a StatelessAbstractDefaultAjaxBehavior overriding

geCallbackUrl which I use in my StatelessAjaxLazyLoadPanel.

This doesn't seem to be the way. Anyone have any hints?

Thanks,
Karsten


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--**-
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-

Re: stateless AjaxLazyLoadPanel wicket 1.4.21

[Martin Grigorov]

On Thu, Dec 6, 2012 at 11:53 AM, Karsten Gaul wrote:

> Trying to:
>
> /// StatelessAbstractDefaultAjaxBe**havior ///
>
> @Override
> public CharSequence getCallbackUrl(final boolean onlyTargetActivePage)
> {
> final CharSequence url = super.getCallbackUrl(**
> onlyTargetActivePage);
> final PageParameters params = getPageParameters();
> // NOTE: quick hack to remove old and obsolete "random" parameter
> from request (see wicket-ajax.js)
> if (params!=null && params.containsKey("random"))
> params.remove("random");
> return StatelessEncoder.**appendParameters(url, params);
> }
> >> StatelessEncoder appends params to WebRequestEncoder
>
> stateless hint -> true
>
> In the StatelessAjaxLazyLoadPanel I'm using this Behavior instead of the
> usual AbstractDefaultAjaxBehavior
>
> /// My Page ///
>
> onInitialize()
> {
> add( new StatelessAjaxLazyLoadPanel("**myContent")
>

Here we see "myContent" id.


> {
> private static final long serialVersionUID = 1L;
>
> @Override
> public Component getLazyLoadComponent( String markupId )
> {
> return new MyContentPanel( markupId );
> }
>
> @Override
> public PageParameters getPageParameters()
> {
> return pageParameters;
> }
> } );
> }
>
> /// MyContentPanel ///
>
> Form form = new Form("myForm");
> form.add( new DropDownChoice("**enumChoice"));
> add(form);
>
> java.lang.**IllegalArgumentException: Component is not a container and so
> does not contain the path myForm:enumChoice:
>
> [Component id = content]
>

Here it complains about "content". What is the relation between 'myContent'
and 'content'  component ?

Which component adds the StatelessAjaxLazyLoadPanel ?


>  at org.apache.wicket.Component.**get(Component.java:4500)
>

Put a breakpoint here and see what is in the context. What is 'this', what
in its 'children' member field.
'myForm' has children with 'enumChoice' inside, then 'enumChoce' becomes
'this and you need to see how to get to the lazy load panel and its lazy
load component.


>  at org.apache.wicket.**MarkupContainer.get(**
> MarkupContainer.java:354)
> at org.apache.wicket.**MarkupContainer.get(**MarkupContainer.java:354)
> at org.apache.wicket.**MarkupContainer.get(**MarkupContainer.java:354)
> at org.apache.wicket.**MarkupContainer.get(**MarkupContainer.java:354)
> at org.apache.wicket.**MarkupContainer.get(**MarkupContainer.java:354)
> at org.apache.wicket.**MarkupContainer.get(**MarkupContainer.java:354)
>
> Would that be sufficient?
>
> Thanks,
> Karsten
>
>
> Am 06.12.2012 11:30, schrieb Martin Grigorov:
>
>> Show us some code and the real exception.
>>
>>
>> On Thu, Dec 6, 2012 at 11:26 AM, Karsten Gaul **
>> wrote:
>>
>>  Hi guys,
>>>
>>> I still have no clue. Any suggestions? A work-around would also be much
>>> appreciated. I need to stay stateless but I definetely need this lazy
>>> loading as I have to wait for a soap response every 10 mins and for user
>>> experience issues need to display some loading component/icon as provided
>>> by AjaxLazyLoadPanel.
>>>
>>> Thanks,
>>> Karsten
>>>
>>> Am 05.12.2012 09:38, schrieb Karsten Gaul:
>>>
>>>   Hi,
>>>
 I'm trying to use the functionality of an AjaxLazyLoadPanel in a
 stateless page but this doesn't seem to work as the injected content is
 not
 a container and the following exception is thrown:

 java.lang.IllegalArgumentException: Component is not a container
 and
 so does not contain the path componentid:containedcomponentid:

 [Component id = content]

   at org.apache.wicket.Component.get(Component.java:4500)
   at org.apache.wicket.MarkupContainer.get(**
 MarkupContainer.java:354)


 I wrote a StatelessAbstractDefaultAjaxBehavior overriding

 geCallbackUrl which I use in my StatelessAjaxLazyLoadPanel.

 This doesn't seem to be the way. Anyone have any hints?

 Thanks,
 Karsten


 --**
 --**-
 To unsubscribe, e-mail: 
 users-unsubscribe@wicket.**apa**che.org
 
 >

 For additional commands, e-mail: users-h...@wicket.apache.org


  --**
>>> --**-
>>> To unsubscribe, e-mail: 
>>> users-unsubscribe@wicket.**apa**che.org
>>> 
>>> >
>>>
>>> For additional commands, e-mail: users-h...@wicket.apache.org
>>>
>>>
>>>
>>
>
> --
> Karsten Gaul
> Dipl. Medieninf.
> Softwareentwickler
>
> Telefon +49 (351) 4108-135
> Fax +49 (351) 4108-5135
> karsten.g...@exedio.com
> www.exedio.com
>
> exedio GmbH
> Buchenstr. 16 B
> 01097 Dresden
> Deutschland
>
> Handelsregister: HRB 22109
> Amtsgericht Dresden
> Sitz der

Re: Model is null after submit, using FormComponentPanel

[Tobias Gierke]

Hi,

I think you need to override FormComponentPanel#convertInput().

Cheers,
Tobias

Thanks for the reply, I tried to use the component on the form with the
object
CompoundPropertyModel. As follows,

ccc = new CustomerAccountCode("ccc",
new CompoundPropertyModel(new Account(config.getCcc(;
form.add(ccc);

But this does the same as before, ie load correctly displayed data, but when
you throw the "onSubmit" form, the model
the "ccc.getModelObject()" still returns null.

//New implementation
public class CustomerAccountCode extends
FormComponentPanel {

private FormComponent entity;
private FormComponent office;
private FormComponent dc;
private FormComponent number;

public CustomerAccountCode(String id, CompoundPropertyModel 
model)
{
super(id, model);

entity = new TextField("entity");
office = new TextField("office");
dc = new TextField("dc");
number = new TextField("number");

AttributeModifier attEntity = new AttributeModifier("name", 
"entity");
AttributeModifier attOffice = new AttributeModifier("name", 
"office");
AttributeModifier attDc = new AttributeModifier("name", "dc");
AttributeModifier attNumber = new AttributeModifier("name", 
"number");
add(entity.add(attEntity));
add(office.add(attOffice));
add(dc.add(attDc));
add(number.add(attNumber));
//  add(CustomerAccountCodeValidator.getInstance());

}

@Override
public Component add(final Behavior... behaviors) {
entity.add(behaviors);
office.add(behaviors);
dc.add(behaviors);
number.add(behaviors);
return this;
}
}



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--
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Development

VOIPFUTURE GmbH   Wendenstraße 4   20097 Hamburg,  Germany
Phone +49 40 688 900 111 Mobile +49 172 323 06 11 Fax +49 40 688 900 199
Email jan.bast...@voipfuture.com   Web http://www.voipfuture.com
 
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Re: stateless AjaxLazyLoadPanel wicket 1.4.21

[Karsten Gaul]

Trying to:

/// StatelessAbstractDefaultAjaxBehavior ///

@Override
public CharSequence getCallbackUrl(final boolean onlyTargetActivePage)
{
final CharSequence url = 
super.getCallbackUrl(onlyTargetActivePage);

final PageParameters params = getPageParameters();
// NOTE: quick hack to remove old and obsolete "random" 
parameter from request (see wicket-ajax.js)

if (params!=null && params.containsKey("random"))
params.remove("random");
return StatelessEncoder.appendParameters(url, params);
}
>> StatelessEncoder appends params to WebRequestEncoder

stateless hint -> true

In the StatelessAjaxLazyLoadPanel I'm using this Behavior instead of the 
usual AbstractDefaultAjaxBehavior


/// My Page ///

onInitialize()
{
add( new StatelessAjaxLazyLoadPanel("myContent")
{
private static final long serialVersionUID = 1L;

@Override
public Component getLazyLoadComponent( String markupId )
{
return new MyContentPanel( markupId );
}

@Override
public PageParameters getPageParameters()
{
return pageParameters;
}
} );
}

/// MyContentPanel ///

Form form = new Form("myForm");
form.add( new DropDownChoice("enumChoice"));
add(form);

java.lang.IllegalArgumentException: Component is not a container and so 
does not contain the path myForm:enumChoice:

[Component id = content]
at org.apache.wicket.Component.get(Component.java:4500)
at org.apache.wicket.MarkupContainer.get(MarkupContainer.java:354)
at org.apache.wicket.MarkupContainer.get(MarkupContainer.java:354)
at org.apache.wicket.MarkupContainer.get(MarkupContainer.java:354)
at org.apache.wicket.MarkupContainer.get(MarkupContainer.java:354)
at org.apache.wicket.MarkupContainer.get(MarkupContainer.java:354)
at org.apache.wicket.MarkupContainer.get(MarkupContainer.java:354)

Would that be sufficient?

Thanks,
Karsten


Am 06.12.2012 11:30, schrieb Martin Grigorov:

Show us some code and the real exception.


On Thu, Dec 6, 2012 at 11:26 AM, Karsten Gaul wrote:


Hi guys,

I still have no clue. Any suggestions? A work-around would also be much
appreciated. I need to stay stateless but I definetely need this lazy
loading as I have to wait for a soap response every 10 mins and for user
experience issues need to display some loading component/icon as provided
by AjaxLazyLoadPanel.

Thanks,
Karsten

Am 05.12.2012 09:38, schrieb Karsten Gaul:

  Hi,

I'm trying to use the functionality of an AjaxLazyLoadPanel in a
stateless page but this doesn't seem to work as the injected content is not
a container and the following exception is thrown:

java.lang.**IllegalArgumentException: Component is not a container and
so does not contain the path componentid:**containedcomponentid:

[Component id = content]

  at org.apache.wicket.Component.**get(Component.java:4500)
  at org.apache.wicket.**MarkupContainer.get(**
MarkupContainer.java:354)


I wrote a StatelessAbstractDefaultAjaxBe**havior overriding
geCallbackUrl which I use in my StatelessAjaxLazyLoadPanel.

This doesn't seem to be the way. Anyone have any hints?

Thanks,
Karsten


--**--**-
To unsubscribe, e-mail: 
users-unsubscribe@wicket.**apache.org
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--**--**-
To unsubscribe, e-mail: 
users-unsubscribe@wicket.**apache.org
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--
Karsten Gaul
Dipl. Medieninf.
Softwareentwickler

Telefon +49 (351) 4108-135
Fax +49 (351) 4108-5135
karsten.g...@exedio.com
www.exedio.com

exedio GmbH
Buchenstr. 16 B
01097 Dresden
Deutschland

Handelsregister: HRB 22109
Amtsgericht Dresden
Sitz der Gesellschaft: Dresden
Geschäftsführer: Sven-Erik Bornscheuer, Lutz Kirchner, Falk Krause


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Re: Select2Choice dropdown box is not appeared in correct position

[Thomas Götz]

Strange, the "select2-with-searchbox" class is added by select2.js whenever the 
search input is shown:

//add "select2-with-searchbox" to the container if search box is shown
$(this.dropdown, this.container)[showSearchInput ? "addClass" : 
"removeClass"]("select2-with-searchbox");

Do you get any Javascript errors?

   -Tom


On 06.12.2012, at 03:07, Madasamy mcruncher  wrote:

>   we are using wicket-select2 2.0 in our application. A form
> having a Select2Choice field when click this field the search
> dropdown box is not appeared in correct position. But this is
> work fine on my quick start. our application is depending on
> bootstrap css and js.
> 
> My observation , select2choice field html code look like in
> 
> * myQuickstart
> 
>  
>  
>  
>  
>  
> 
> * our application,
> 
>  
>  
>  
>  
>   value="" wicket:id="type" style="display: none;">
> 
> The Css class " *select2-with-searchbox*" is not added in our application
> html code.
> 
> can you give suggestion to solve this problem?


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Re: stateless AjaxLazyLoadPanel wicket 1.4.21

[Martin Grigorov]

Show us some code and the real exception.


On Thu, Dec 6, 2012 at 11:26 AM, Karsten Gaul wrote:

> Hi guys,
>
> I still have no clue. Any suggestions? A work-around would also be much
> appreciated. I need to stay stateless but I definetely need this lazy
> loading as I have to wait for a soap response every 10 mins and for user
> experience issues need to display some loading component/icon as provided
> by AjaxLazyLoadPanel.
>
> Thanks,
> Karsten
>
> Am 05.12.2012 09:38, schrieb Karsten Gaul:
>
>  Hi,
>>
>> I'm trying to use the functionality of an AjaxLazyLoadPanel in a
>> stateless page but this doesn't seem to work as the injected content is not
>> a container and the following exception is thrown:
>>
>> java.lang.**IllegalArgumentException: Component is not a container and
>> so does not contain the path componentid:**containedcomponentid:
>>
>> [Component id = content]
>>
>>  at org.apache.wicket.Component.**get(Component.java:4500)
>>  at org.apache.wicket.**MarkupContainer.get(**
>> MarkupContainer.java:354)
>>
>>
>> I wrote a StatelessAbstractDefaultAjaxBe**havior overriding
>> geCallbackUrl which I use in my StatelessAjaxLazyLoadPanel.
>>
>> This doesn't seem to be the way. Anyone have any hints?
>>
>> Thanks,
>> Karsten
>>
>>
>> --**--**-
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>
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>


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jWeekend
Training, Consulting, Development
http://jWeekend.com 

Re: stateless AjaxLazyLoadPanel wicket 1.4.21

[Karsten Gaul]

Hi guys,

I still have no clue. Any suggestions? A work-around would also be much 
appreciated. I need to stay stateless but I definetely need this lazy 
loading as I have to wait for a soap response every 10 mins and for user 
experience issues need to display some loading component/icon as 
provided by AjaxLazyLoadPanel.


Thanks,
Karsten

Am 05.12.2012 09:38, schrieb Karsten Gaul:

Hi,

I'm trying to use the functionality of an AjaxLazyLoadPanel in a 
stateless page but this doesn't seem to work as the injected content 
is not a container and the following exception is thrown:


java.lang.IllegalArgumentException: Component is not a container and 
so does not contain the path componentid:containedcomponentid:


[Component id = content]

 at org.apache.wicket.Component.get(Component.java:4500)
 at org.apache.wicket.MarkupContainer.get(MarkupContainer.java:354)


I wrote a StatelessAbstractDefaultAjaxBehavior overriding 
geCallbackUrl which I use in my StatelessAjaxLazyLoadPanel.


This doesn't seem to be the way. Anyone have any hints?

Thanks,
Karsten


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Re: Model is null after submit, using FormComponentPanel

[Raul]

Thanks for the reply, I tried to use the component on the form with the
object
CompoundPropertyModel. As follows,

ccc = new CustomerAccountCode("ccc", 
new CompoundPropertyModel(new Account(config.getCcc(;
form.add(ccc);

But this does the same as before, ie load correctly displayed data, but when
you throw the "onSubmit" form, the model
the "ccc.getModelObject()" still returns null. 

//New implementation
public class CustomerAccountCode extends
FormComponentPanel {

private FormComponent entity;
private FormComponent office;
private FormComponent dc;
private FormComponent number;

public CustomerAccountCode(String id, CompoundPropertyModel 
model)
{
super(id, model);

entity = new TextField("entity");
office = new TextField("office");
dc = new TextField("dc");
number = new TextField("number");

AttributeModifier attEntity = new AttributeModifier("name", 
"entity");
AttributeModifier attOffice = new AttributeModifier("name", 
"office");
AttributeModifier attDc = new AttributeModifier("name", "dc");
AttributeModifier attNumber = new AttributeModifier("name", 
"number");
add(entity.add(attEntity));
add(office.add(attOffice));
add(dc.add(attDc));
add(number.add(attNumber));
//  add(CustomerAccountCodeValidator.getInstance());

}

@Override
public Component add(final Behavior... behaviors) {
entity.add(behaviors);
office.add(behaviors);
dc.add(behaviors);
number.add(behaviors);
return this;
}
}



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Re: How to call a Wicket Ajax click event

[Martin Grigorov]

Hi,

Wicket 6 uses jQuery.on() to register the event listeners.
If your AjaxSubmitLink listens on 'click' then
jQuery('#theSubmitLinkId').triggerHandler('click') should do it.
Also check the docs of jQuery#trigger


On Thu, Dec 6, 2012 at 1:53 AM, Jered Myers wrote:

> The link here is actually an AjaxSubmitLink and not an AjaxLink.  I am
> trying to get back to the onSubmit on the server side.  I saw
> http://apache-wicket.1842946.**n4.nabble.com/Wicket-6-Ajax-**
> Behaviors-td4654398.html,
> but $(mylink).triggerHandler('**click') doesn't seem to be working. Do I
> treat the trigger on an AjaxSubmitLink different from a regular AjaxLink?
>
>
> On 12/05/2012 03:28 PM, Jered Myers wrote:
>
>> Wicket 6.3
>>
>> How do I call a click event on an AjaxLink from via jQuery or JavaScript?
>>  I have an AjaxLink that I have added to the page and after I run some
>> JavaScript, I want to pragmatically click the link with JavaScript.  This
>> broke when updating from Wicket 1.5 to 6.  It appears that the onclick
>> attribute is no longer on my link and I am not sure how to call the events
>> that Wicket has registered in the head.
>>
>>
>


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Martin Grigorov
jWeekend
Training, Consulting, Development
http://jWeekend.com 

Re: Returning XML or HTML

[Martin Grigorov]

A simpler solution is:

if (needsXml()) {
   getRequestCycle().replaceAllRequestHandlers(new
TextRequestHandler("text/xml", theXml))
}


On Thu, Dec 6, 2012 at 7:55 AM, Sven Meier  wrote:

> You'll have to let Wicket know that you wrote the response by yourself.
>
> With |RestartResponseException| you can switch to another response. In
> your case you could direct the request to a resource first (since your XML
> doesn't seem be component-based) and switch to a page in case of missing
> parameters.
>
> Sven
>
>
>
> On 12/06/2012 04:49 AM, McDonough, Jonathan wrote:
>
>> Hi all,
>> I am trying to create a WebPage that returns either XML or HTML depending
>> upon if a parameter is supplied. If the parameter is supplied, return a
>> custom XML document. Otherwise return an HTML page with an error message.
>> The code I wrote produces these results, which is great. But it is also
>> throwing an exception (below) to the console. Does anyone know how to go
>> about fixing this?
>>
>> I am using Java 6 and Wicket 6.2.0
>>
>> Thanks
>> Jon
>>
>> Here is the code for DocumentPage.java:
>>  public DocumentPage(final PageParameters parameters) {
>>  setStatelessHint(true);
>>
>>  // Get the ID
>>  final org.apache.wicket.util.string.**StringValue
>> idStringValue = parameters.get(0);
>>  if (idStringValue == null || idStringValue.isEmpty()) {
>>  add(new Label("errorMsg", "Please supply an
>> ID"));
>>  return;
>>  }
>>
>>
>>  // Get the CTS2 XML from the database
>>  final String id = idStringValue.toString();
>>
>>
>>  // Send the output
>>  add(new Label("errorMsg", ""));
>>  String content = "" + id +
>> "";
>>
>>  RequestCycle.get().**getOriginalResponse().write(**
>> content);
>>  }
>>
>>
>> DocumentPage.html:
>> 
>>  
>>  Error
>>  
>>
>>  
>>  
>>  
>> 
>>
>>
>> 2012-12-05 22:36:32,976 ERROR  [RequestCycle] Error during processing
>> error message
>> java.lang.**IllegalStateException: Header was already written to
>> response!
>>  at org.apache.wicket.protocol.**http.**
>> HeaderBufferingWebResponse.**checkHeader(**HeaderBufferingWebResponse.**
>> java:64)
>>  at org.apache.wicket.protocol.**http.**
>> HeaderBufferingWebResponse.**sendError(**HeaderBufferingWebResponse.**
>> java:105)
>>  at org.apache.wicket.request.**http.handler.**
>> ErrorCodeRequestHandler.**respond(**ErrorCodeRequestHandler.java:**77)
>>  at org.apache.wicket.request.**cycle.RequestCycle$**
>> HandlerExecutor.respond(**RequestCycle.java:830)
>>  at org.apache.wicket.request.**RequestHandlerStack.execute(**
>> RequestHandlerStack.java:64)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:302)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> executeExceptionRequestHandler**(RequestCycle.java:311)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> processRequest(RequestCycle.**java:225)
>>  at org.apache.wicket.request.**cycle.RequestCycle.**
>> processRequestAndDetach(**RequestCycle.java:281)
>>  at org.apache.wicket.protocol.**http.WicketFilter.**
>> processRequest(WicketFilter.**java:188)
>>  at org.apache.wicket.protocol.**http.WicketFilter.doFilter(**
>> WicketFilter.java:245)
>>  at org.apache.catalina.core.**ApplicationFilterChain.**
>> internalDoFilter(**ApplicationFilterChain.java:**243)
>>  at org.apache.catalina.core.**ApplicationFilterChain.**doFilter(
>> **ApplicationFilterChain.java:**210)
>>  at org.apache.catalina.core.**StandardWrapperValve.