date:20120717

Validating form components in a refreshing view

2012-07-17 Thread Tobias Knierim

Hi there,
I'm new to wicket and have a problem I can't find out for myself.
Maybe some of you can help me out with this.

I have a refreshingview with input fields each row. I can add new rows
on click of a button, but when I submit the form, I want to validate 2
input fields from different rows. Everything I tried so far hasn't
worked out, because I was only able to validate values from one row.

Is it even possible to do something like this?


Greetings
Tobi

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Re: Validating form components in a refreshing view

2012-07-17 Thread Josh Kamau

Hi ;

Is the whole listview wrapped in 1 form or there is a form for each row?

Josh.

On Tue, Jul 17, 2012 at 10:02 AM, Tobias Knierim <
tobias.knie...@googlemail.com> wrote:

> Hi there,
> I'm new to wicket and have a problem I can't find out for myself.
> Maybe some of you can help me out with this.
>
> I have a refreshingview with input fields each row. I can add new rows
> on click of a button, but when I submit the form, I want to validate 2
> input fields from different rows. Everything I tried so far hasn't
> worked out, because I was only able to validate values from one row.
>
> Is it even possible to do something like this?
>
>
> Greetings
> Tobi
>
> -
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
>
>

Re: Validating form components in a refreshing view

2012-07-17 Thread Tobias Knierim

Hi Josh,

The whole view is wrapped in one form.

Greetings
Tobi

Am 17.07.2012 um 09:04 schrieb Josh Kamau :

> Hi ;
>
> Is the whole listview wrapped in 1 form or there is a form for each row?
>
> Josh.
>
> On Tue, Jul 17, 2012 at 10:02 AM, Tobias Knierim <
> tobias.knie...@googlemail.com> wrote:
>
>> Hi there,
>> I'm new to wicket and have a problem I can't find out for myself.
>> Maybe some of you can help me out with this.
>>
>> I have a refreshingview with input fields each row. I can add new rows
>> on click of a button, but when I submit the form, I want to validate 2
>> input fields from different rows. Everything I tried so far hasn't
>> worked out, because I was only able to validate values from one row.
>>
>> Is it even possible to do something like this?
>>
>>
>> Greetings
>> Tobi
>>
>> -
>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>> For additional commands, e-mail: users-h...@wicket.apache.org
>>
>>

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Re: Validating form components in a refreshing view

2012-07-17 Thread Josh Kamau

Tobi ;

May be you can paste some code to show how you are constructing the
forms...

I believe if you just add the validators to the components and then submit
the forms, it just works..

Josh.

On Tue, Jul 17, 2012 at 10:22 AM, Tobias Knierim <
tobias.knie...@googlemail.com> wrote:

> Hi Josh,
>
> The whole view is wrapped in one form.
>
> Greetings
> Tobi
>
> Am 17.07.2012 um 09:04 schrieb Josh Kamau :
>
> > Hi ;
> >
> > Is the whole listview wrapped in 1 form or there is a form for each row?
> >
> > Josh.
> >
> > On Tue, Jul 17, 2012 at 10:02 AM, Tobias Knierim <
> > tobias.knie...@googlemail.com> wrote:
> >
> >> Hi there,
> >> I'm new to wicket and have a problem I can't find out for myself.
> >> Maybe some of you can help me out with this.
> >>
> >> I have a refreshingview with input fields each row. I can add new rows
> >> on click of a button, but when I submit the form, I want to validate 2
> >> input fields from different rows. Everything I tried so far hasn't
> >> worked out, because I was only able to validate values from one row.
> >>
> >> Is it even possible to do something like this?
> >>
> >>
> >> Greetings
> >> Tobi
> >>
> >> -
> >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> >> For additional commands, e-mail: users-h...@wicket.apache.org
> >>
> >>
>
> -
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>
>

InvalidBehaviorIdException when closing modal windows

2012-07-17 Thread ashindler

Hi,

Can someone help me figure out what would be the cause why I am suddenly
getting the following error when I close one of my modal windows?

Cannot find behavior with id '0' on component
'org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow:srScreen'
in page '[Page class = ums.app.NewSalesReport, id = 2, render count = 3]'.
Perhaps the behavior did not properly implement getStatelessHint() and
returned 'true' to indicate that it is stateless instead of returning
'false' to indicate that it is stateful.

I have a class NewSalesReport where I add the modal window:

srScreen = new ModalWindow("srScreen");
srScreen.setTitle("Sales Report Preview");
srScreen.setInitialHeight(500);
srScreen.setInitialWidth(800);
srScreen.setResizable(false);
srScreen.setCssClassName(ModalWindow.CSS_CLASS_BLUE);
srScreen.setPageCreator(new ModalWindow.PageCreator(){

  private static final long serialVersionUID = 1L;

  public Page createPage(){
 try {
srPreviewWindow = new SRPreviewWindow(srScreen,
shipmentID,   grower.getDefaultModelObjectAsString());
}
catch (ClassNotFoundException e) {e.printStackTrace();}
catch (SQLException e) {e.printStackTrace();}

return srPreviewWindow;
 } });
srScreen.setWindowClosedCallback(new ModalWindow.WindowClosedCallback() 
{
public void onClose(AjaxRequestTarget target) {
try {

scp.setContainers(DbQueries.getGrowerUnreportedContainers(dataBase,
grower.getDefaultModelObjectAsString()));
target.add(scp);
}
catch (ClassNotFoundException e) 
{e.printStackTrace();}
catch (SQLException e) 
{e.printStackTrace();}
}
});
srScreen.setOutputMarkupId(true);
add(srScreen);

And the window itself SRPreviewWindow:

public SRPreviewWindow(final ModalWindow window, final int shipmentID, final
String grower) throws ClassNotFoundException, SQLException{

...

add(new AjaxLink("cancel"){
 public void onClick(AjaxRequestTarget target) {
window.close(target);
 }
});

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Re: Validating form components in a refreshing view

2012-07-17 Thread Tobias Knierim

Hi Josh,

I just created a little example of how my application is working:
I want to compare value2 from Entry1 with value1 from Entry2 and so on.

Any ideas?


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

RefreshingView refreshingView = new
RefreshingView("list", values) {

@Override
protected Iterator> getItemModels() {
List entryList = 
values.getObject().getEntryList();

ModelIteratorAdapter mia = new
ModelIteratorAdapter(entryList.iterator()) {

@Override
protected IModel model(Entry 
object) {
return new 
CompoundPropertyModel(object);
}
};
return mia;
}

@Override
protected void populateItem(Item item) {
IModel model = item.getModel();

item.add(new TextField("textOne", new
PropertyModel(model, "value1")));
item.add(new TextField("textTwo", new
PropertyModel(model, "value2")));
}

};

form.add(refreshingView);

Tobi


2012/7/17 Josh Kamau :
> Tobi ;
>
> May be you can paste some code to show how you are constructing the
> forms...
>
> I believe if you just add the validators to the components and then submit
> the forms, it just works..
>
> Josh.
>
> On Tue, Jul 17, 2012 at 10:22 AM, Tobias Knierim <
> tobias.knie...@googlemail.com> wrote:
>
>> Hi Josh,
>>
>> The whole view is wrapped in one form.
>>
>> Greetings
>> Tobi
>>
>> Am 17.07.2012 um 09:04 schrieb Josh Kamau :
>>
>> > Hi ;
>> >
>> > Is the whole listview wrapped in 1 form or there is a form for each row?
>> >
>> > Josh.
>> >
>> > On Tue, Jul 17, 2012 at 10:02 AM, Tobias Knierim <
>> > tobias.knie...@googlemail.com> wrote:
>> >
>> >> Hi there,
>> >> I'm new to wicket and have a problem I can't find out for myself.
>> >> Maybe some of you can help me out with this.
>> >>
>> >> I have a refreshingview with input fields each row. I can add new rows
>> >> on click of a button, but when I submit the form, I want to validate 2
>> >> input fields from different rows. Everything I tried so far hasn't
>> >> worked out, because I was only able to validate values from one row.
>> >>
>> >> Is it even possible to do something like this?
>> >>
>> >>
>> >> Greetings
>> >> Tobi
>> >>
>> >> -
>> >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>> >> For additional commands, e-mail: users-h...@wicket.apache.org
>> >>
>> >>
>>
>> -
>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>> For additional commands, e-mail: users-h...@wicket.apache.org
>>
>>

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Apache Wicket 6.0.0-beta3 is released

2012-07-17 Thread Martijn Dashorst

The Wicket team is proud to announce the third beta release of
the Wicket 6.x series. This release is an intermediary release
just before we give you 6.0.0 final.

There are no more planned API breaks but if you find something
that can be made better now it the time to discuss it! The
next planned release is 6.0.0 final, so speak now or forever
be silenced (or learn to live with it until 7.0.0 comes out).

Any feedback about the new features, their implementation and
their documentation is very welcome!

New and Noteworthy in 6.0.0-beta3
=

** NOTA BENE: ** the use of modules that are marked experimental,
by being part of the sub module 'wicket-experimental', are really
that: experimental. These modules can change, disappear or blow up
your computer without notice and you really use/depend on them at
your own risk.

Wicket Native Websockets


A new **experimental** module has been added to Wicket 6 - Wicket
Native WebSocket. This module adds support for using HTML5
WebSockets as you may use Ajax in your Wicket applications.

All you have to do is to add a WebSocketBehavior to your page and from
there on you can receive messages from the clients and push messages
back to them.

At https://cwiki.apache.org/confluence/x/0vSoAQ you may find the
documentation and a link to a demo application.

If something is not clear feel free to ask your question in the
mailing lists and we will improve the documentation.

Wicket Bootstrap


The **experimental** modules now contain a new module for integration
with Twitter's Bootstrap. Currently this module only provides a
central way of using the Bootstrap resources. In the future we
will provide proper components and behaviors for the Bootstrap
concepts.

To use this new **experimental** module, add this to your pom:


org.apache.wicket
wicket-bootstrap
0.1


To add Bootstrap support to your pages, add this in the `renderHead`
method:

@Override
public void renderHead(IHeaderResponse response) {
super.renderHead(response);

Bootstrap.renderHead(response);
}

This will render a dependency to the Twitter bootstrap CSS and JS files,
including the required dependency to JQuery.

New Wicket Examples
---
We have started an effort to revamp the tried and tested Wicket Examples
and bring them into 2012. The new examples are located in the
**experimental** module.

It is currently a copy of Twitter Bootstrap's design but with Wicket
specific filling.

You can test the examples by running the

wicket-examples-jar/src/test/java/Start.java

class in the default package.

The examples will feature a component reference with typical use
cases, full examples such as Hello, World, and descriptions of the
code in play.

Wicket Atmosphere
-

Wicket Atmosphere in the experimental modules has seen an upgrade of
the Atmosphere dependency to 1.0.0-beta3. This has caused an
incompatibility with Jetty 7.6.3 (used with Wicket and the examples). To
mitigate this, you need to override either:

 - the dependency on Jetty to 8.1.3 or newer, or
 - the dependency on Atmosphere to 0.9.5 (0.9.6 and 0.9.7 are broken as
   well)

See https://issues.apache.org/jira/browse/WICKET-4656 for more
information regarding this issue.

This release


 * Check the roadmap  with a list of the major
   goals: https://cwiki.apache.org/WICKET/wicket-60-roadmap.html

 * And the migration guide with all major and some minor changes
   between 1.5.x and 6.x series: http://s.apache.org/wicket-6.0-migration

 * The Jira changelog of all closed ticket at
   Jira: http://s.apache.org/wicket-6.0.0-beta3-changelog

To use it in Maven:


org.apache.wicket
wicket-core
6.0.0-beta3


If you don’t use a dependencies management build tool then you
can download the full distribution (including source) and build from
source yourself.

Have fun,

The Wicket team!

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Re: Validating form components in a refreshing view

2012-07-17 Thread Josh Kamau

Hi Tobi ;

I cant see any Validation code..

Josh.

On Tue, Jul 17, 2012 at 12:01 PM, Tobias Knierim <
tobias.knie...@googlemail.com> wrote:

> Hi Josh,
>
> I just created a little example of how my application is working:
> I want to compare value2 from Entry1 with value1 from Entry2 and so on.
>
> Any ideas?
>
>
> Form form = new Form("form");
> add(form);
>
> RefreshingView refreshingView = new
> RefreshingView("list", values) {
>
> @Override
> protected Iterator> getItemModels() {
> List entryList =
> values.getObject().getEntryList();
>
> ModelIteratorAdapter mia = new
> ModelIteratorAdapter(entryList.iterator()) {
>
> @Override
> protected IModel
> model(Entry object) {
> return new
> CompoundPropertyModel(object);
> }
> };
> return mia;
> }
>
> @Override
> protected void populateItem(Item item) {
> IModel model = item.getModel();
>
> item.add(new TextField("textOne",
> new
> PropertyModel(model, "value1")));
> item.add(new TextField("textTwo",
> new
> PropertyModel(model, "value2")));
> }
>
> };
>
> form.add(refreshingView);
>
> Tobi
>
>
> 2012/7/17 Josh Kamau :
> > Tobi ;
> >
> > May be you can paste some code to show how you are constructing the
> > forms...
> >
> > I believe if you just add the validators to the components and then
> submit
> > the forms, it just works..
> >
> > Josh.
> >
> > On Tue, Jul 17, 2012 at 10:22 AM, Tobias Knierim <
> > tobias.knie...@googlemail.com> wrote:
> >
> >> Hi Josh,
> >>
> >> The whole view is wrapped in one form.
> >>
> >> Greetings
> >> Tobi
> >>
> >> Am 17.07.2012 um 09:04 schrieb Josh Kamau :
> >>
> >> > Hi ;
> >> >
> >> > Is the whole listview wrapped in 1 form or there is a form for each
> row?
> >> >
> >> > Josh.
> >> >
> >> > On Tue, Jul 17, 2012 at 10:02 AM, Tobias Knierim <
> >> > tobias.knie...@googlemail.com> wrote:
> >> >
> >> >> Hi there,
> >> >> I'm new to wicket and have a problem I can't find out for myself.
> >> >> Maybe some of you can help me out with this.
> >> >>
> >> >> I have a refreshingview with input fields each row. I can add new
> rows
> >> >> on click of a button, but when I submit the form, I want to validate
> 2
> >> >> input fields from different rows. Everything I tried so far hasn't
> >> >> worked out, because I was only able to validate values from one row.
> >> >>
> >> >> Is it even possible to do something like this?
> >> >>
> >> >>
> >> >> Greetings
> >> >> Tobi
> >> >>
> >> >> -
> >> >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> >> >> For additional commands, e-mail: users-h...@wicket.apache.org
> >> >>
> >> >>
> >>
> >> -
> >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> >> For additional commands, e-mail: users-h...@wicket.apache.org
> >>
> >>
>
> -
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
>
>

Re: Validating form components in a refreshing view

2012-07-17 Thread Tobias Knierim

Hi Josh,

you're right,
I haven't put any in this example because I am really not sure how I
should accomplish this.
If I choose a FormValidator with the FormComponents textOne and
textTwo, I can just compare the values of one row.

I will extend my example later.

Tobi


2012/7/17 Josh Kamau :
> Hi Tobi ;
>
> I cant see any Validation code..
>
> Josh.
>
> On Tue, Jul 17, 2012 at 12:01 PM, Tobias Knierim <
> tobias.knie...@googlemail.com> wrote:
>
>> Hi Josh,
>>
>> I just created a little example of how my application is working:
>> I want to compare value2 from Entry1 with value1 from Entry2 and so on.
>>
>> Any ideas?
>>
>>
>> Form form = new Form("form");
>> add(form);
>>
>> RefreshingView refreshingView = new
>> RefreshingView("list", values) {
>>
>> @Override
>> protected Iterator> getItemModels() {
>> List entryList =
>> values.getObject().getEntryList();
>>
>> ModelIteratorAdapter mia = new
>> ModelIteratorAdapter(entryList.iterator()) {
>>
>> @Override
>> protected IModel
>> model(Entry object) {
>> return new
>> CompoundPropertyModel(object);
>> }
>> };
>> return mia;
>> }
>>
>> @Override
>> protected void populateItem(Item item) {
>> IModel model = item.getModel();
>>
>> item.add(new TextField("textOne",
>> new
>> PropertyModel(model, "value1")));
>> item.add(new TextField("textTwo",
>> new
>> PropertyModel(model, "value2")));
>> }
>>
>> };
>>
>> form.add(refreshingView);
>>
>> Tobi
>>
>>
>> 2012/7/17 Josh Kamau :
>> > Tobi ;
>> >
>> > May be you can paste some code to show how you are constructing the
>> > forms...
>> >
>> > I believe if you just add the validators to the components and then
>> submit
>> > the forms, it just works..
>> >
>> > Josh.
>> >
>> > On Tue, Jul 17, 2012 at 10:22 AM, Tobias Knierim <
>> > tobias.knie...@googlemail.com> wrote:
>> >
>> >> Hi Josh,
>> >>
>> >> The whole view is wrapped in one form.
>> >>
>> >> Greetings
>> >> Tobi
>> >>
>> >> Am 17.07.2012 um 09:04 schrieb Josh Kamau :
>> >>
>> >> > Hi ;
>> >> >
>> >> > Is the whole listview wrapped in 1 form or there is a form for each
>> row?
>> >> >
>> >> > Josh.
>> >> >
>> >> > On Tue, Jul 17, 2012 at 10:02 AM, Tobias Knierim <
>> >> > tobias.knie...@googlemail.com> wrote:
>> >> >
>> >> >> Hi there,
>> >> >> I'm new to wicket and have a problem I can't find out for myself.
>> >> >> Maybe some of you can help me out with this.
>> >> >>
>> >> >> I have a refreshingview with input fields each row. I can add new
>> rows
>> >> >> on click of a button, but when I submit the form, I want to validate
>> 2
>> >> >> input fields from different rows. Everything I tried so far hasn't
>> >> >> worked out, because I was only able to validate values from one row.
>> >> >>
>> >> >> Is it even possible to do something like this?
>> >> >>
>> >> >>
>> >> >> Greetings
>> >> >> Tobi
>> >> >>
>> >> >> -
>> >> >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>> >> >> For additional commands, e-mail: users-h...@wicket.apache.org
>> >> >>
>> >> >>
>> >>
>> >> -
>> >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>> >> For additional commands, e-mail: users-h...@wicket.apache.org
>> >>
>> >>
>>
>> -
>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>> For additional commands, e-mail: users-h...@wicket.apache.org
>>
>>

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Datatable with filter: string inpput for numeric columns

2012-07-17 Thread lang

I have a datatable with a filter. It works fine, but.. I have numeric
columns. I want the user to enter a String instead of a number. This is
because we add more functions to the input so the user can enter more filter
commands like >10&<20

Now this is not possible in the filter. Who can help

Example

Customer number  Name
>100&<1010   __
1001  Smith
1008  Wesson



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Re: Determine session size for Wicket 1.5

2012-07-17 Thread Jochen Mader

Get a heapdump, use yourkit/visualvm.

On Mon, Jul 16, 2012 at 11:14 AM, Ian Marshall  wrote:
> I don't think that I am getting the session size in the right place. Despite
> my session sizes being logged as very small at ~1.7kB using the Google App
> Engine (GAE) web development server, in GAE production I am getting session
> sizes approaching 1MB (and attempting to breach this GAE-imposed limit of
> 1MB too).
>
> I shall have to try and find somewhere else to get a meaningful session
> size.
>
>
>
> Ian Marshall wrote
>>
>> Thanks Martin,
>>
>> I could not find onDetach() but found detach() so I have done this in my
>> WebSession subclass:
>>
>>   @Override
>>   public void detach()
>>   {
>> long loSize = getSizeInBytes();
>> m_logger.log(Level.FINE, String.format("Session size = %,dB.",
>> loSize));
>> super.detach();
>>   }
>>
>> This seems to be fine (my sessions seem very small at ~1.7kB - I must be
>> doing something wrong) except that this method can be called several times
>> as a result of one request.
>>
>> Thanks again,
>>
>> Ian
>>
>>
>>
>> Martin Grigorov-4 wrote
>>>
>>> Override Session#onDetach() and do it before calling super.onDetach().
>>>
>>> On Fri, Jul 13, 2012 at 2:01 PM, Ian Marshall 
>>> wrote:
 Hello,

 Is there a good way to discover my serialised or about-to-be-serialised
 session size without adding the debug bar to my page?

 I currently use

   @Override
   protected void onAfterRender()
   {
 super.onAfterRender();

 CloudSession ssnSession = (CloudSession)getSession();
 long loSize = ssnSession.getSizeInBytes();
 m_logger.log(Level.FINE, String.format("Session size = %,dB.",
 loSize));
   }

 in my WebPage subclass, but I suspect that this is the wrong place to
 examine the session size.

 My software environment is:

 Web framework: Wicket 1.5.7
 Web server system: Google App Engine for Java version 1.7.0
 Java: 1.6.0_33; Java HotSpot(TM) Client VM 20.8-b03
 Operating system: Microsoft Windows XP Home Edition version 2002 SP3
 (version 5.1 running on x86; Cp1252; en_GB)


 Ian Marshall
>>
>
> --
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> Sent from the Users forum mailing list archive at Nabble.com.
>
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Re: Determine session size for Wicket 1.5

2012-07-17 Thread Ian Marshall

Thanks for the tip, Jochen.

I'm already doing that now, using Oracle's Java VisualVM


Jochen Mader wrote
> 
> Get a heapdump, use yourkit/visualvm.
> 
> On Mon, Jul 16, 2012 at 11:14 AM, Ian Marshall 
> wrote:
>> I don't think that I am getting the session size in the right place.
>> Despite
>> my session sizes being logged as very small at ~1.7kB using the Google
>> App
>> Engine (GAE) web development server, in GAE production I am getting
>> session
>> sizes approaching 1MB (and attempting to breach this GAE-imposed limit of
>> 1MB too).
>>
>> I shall have to try and find somewhere else to get a meaningful session
>> size.
>>
>>
>>
>> Ian Marshall wrote
>>>
>>> Thanks Martin,
>>>
>>> I could not find onDetach() but found detach() so I have done this in my
>>> WebSession subclass:
>>>
>>>   @Override
>>>   public void detach()
>>>   {
>>> long loSize = getSizeInBytes();
>>> m_logger.log(Level.FINE, String.format("Session size = %,dB.",
>>> loSize));
>>> super.detach();
>>>   }
>>>
>>> This seems to be fine (my sessions seem very small at ~1.7kB - I must be
>>> doing something wrong) except that this method can be called several
>>> times
>>> as a result of one request.
>>>
>>> Thanks again,
>>>
>>> Ian
>>>
>>>
>>>
>>> Martin Grigorov-4 wrote

 Override Session#onDetach() and do it before calling super.onDetach().

 On Fri, Jul 13, 2012 at 2:01 PM, Ian Marshall 
 wrote:
> Hello,
>
> Is there a good way to discover my serialised or
> about-to-be-serialised
> session size without adding the debug bar to my page?
>
> I currently use
>
>   @Override
>   protected void onAfterRender()
>   {
> super.onAfterRender();
>
> CloudSession ssnSession = (CloudSession)getSession();
> long loSize = ssnSession.getSizeInBytes();
> m_logger.log(Level.FINE, String.format("Session size = %,dB.",
> loSize));
>   }
>
> in my WebPage subclass, but I suspect that this is the wrong place to
> examine the session size.
>
> My software environment is:
>
> Web framework: Wicket 1.5.7
> Web server system: Google App Engine for Java version 1.7.0
> Java: 1.6.0_33; Java HotSpot(TM) Client VM 20.8-b03
> Operating system: Microsoft Windows XP Home Edition version 2002
> SP3
> (version 5.1 running on x86; Cp1252; en_GB)
>
>
> Ian Marshall
>>>
>>
>> --
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>> Sent from the Users forum mailing list archive at Nabble.com.
>>
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Re: Understanding Wicket redirect behavior

2012-07-17 Thread Alec Swan

Anybody?

On Sat, Jul 14, 2012 at 5:24 PM, Alec Swan  wrote:
> Is there a way in 1.4.x to avoid a 302 redirect to /lrm/ms/oid/123.0
> when the user opens /lrm/ms/oid/123?
>
> Thanks,
>
> Alec
>
> On Sat, Jul 14, 2012 at 5:09 PM, Alec Swan  wrote:
>> Michael,
>>
>> I integrated DisabledJSessionIDinUrlFilter code that you sent me and I
>> still get a 302 redirect. The filter behaves the same as
>> COOKIE Tomcat 7 configuration.
>>
>> In other words /lrm/ms/oid/123 is still redirected with 302 code to
>> /lrm/ms/oid/../../ms/oid/123.0. Note that I no longer have jsessionid
>> at the end of the URL.
>>
>> I think the core problem is that my page is versionable and therefore
>> Wicket created the first version of the page and does a 302 redirect
>> to it.
>>
>> Still struggling with this.
>>
>> Alec
>>
>>
>> On Sat, Jul 14, 2012 at 3:48 PM, Michael Mosmann  wrote:
>>> Hi Alec,
>>>
>>> Ok.. so far for now:
>>> - with wicket 1.4 removing the jessionID from URL should do the trick.
>>> And AFAIK wicket 1.4 should not do any redirect after this.
>>> - with wicket 1.5 the jsessionID is gone, BUT wicket 1.5 will do some
>>> redirect from path/yourPage  to path/yourPage?0 (0 or other - wicket
>>> page version)
>>>
>>> Michael
>>>
>>> Am Samstag, den 14.07.2012, 14:47 -0600 schrieb Alec Swan:
 Thanks Michael. I read the first link before and the only thing that I
 didn't do (and probable cannot do) is make my pages stateless.

 As far as the second link to DisabledJSessionIDinUrlFilter.java,
 doesn't it just strip off JSESSIONID from the URL? Is there something
 that I missed?

 Thanks,

 Alec

 On Sat, Jul 14, 2012 at 2:38 PM, Michael Mosmann  
 wrote:
 > Maybe this will help
 >
 > https://cwiki.apache.org/WICKET/seo-search-engine-optimization.html
 >
 > Or try this one:
 >
 > https://github.com/michaelmosmann/wicket-praxis/blob/master/de.wicketpraxis--pom/webapp/src/main/java/de/wicketpraxis/web/thema/howto/servletfilter/DisabledJSessionIDinUrlFilter.java
 >
 > Michael mosmann
 >
 > --
 > Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail 
 > gesendet.
 >
 >
 >
 > Alec Swan  schrieb:
 >
 > Thanks Josh, I upgraded to Tomcat7 and was able to disable cookies as
 > you suggested. It worked! This, however does not help me change 302
 > redirect to 200.
 >
 > Is there any way I can make /lrm/ms/oid/123 return 200 just like
 > /lrm/network as explained in my original post?
 >
 > Thanks,
 >
 > Alec
 >
 >
 > On Sat, Jul 14, 2012 at 12:36 PM, Josh Kamau  
 > wrote:
 >> I read somewhere that :
 >>
 >> When its first time you are accessing a page, tomcat doesnt know if 
 >> cookies
 >> are supported.. so to be safe, it will embed the session id in the url. 
 >> IF
 >> you then access another page, this time round tomcat knows what kind of
 >> browser its dealing with ... and if cookies are supported, it wont embed
 >> the session id in the url but will put it in a cookie..
 >>
 >> Now to tell tomcat to always use the cookies , you add
 >>
 >> 
 >> COOKIE
 >> 
 >>
 >>
 >> In your web.xml file..
 >>
 >> Cheers
 >> Josh
 >>
 >> On Sat, Jul 14, 2012 at 8:30 PM, Alec Swan  wrote:
 >>
 >>> Hello,
 >>>
 >>> While working on my previous problem I found out that when I do a GET
 >>> to one of my bookmarkable pages, e.g. /lrm/ms/oid/123, I get a 302
 >>> redirect to /lrm/ms/oid/../../ms/oid/123.0;jsessionid=xxx. However,
 >>> when I do a GET to /lrm/network I get a 200 response and jsessionid is
 >>> set as a cookie in the response.
 >>>
 >>> /lrm/network is explicitly mounted as mountBookmarkablePage in
 >>> Application.init(). We are using Tomcat 6.0 and Wicket 1.4.17.
 >>>
 >>> How can I make /lrm/ms/oid/123 return 200 just like /lrm/network?
 >>> Should we somehow mountBookmarkablePage each such page which we have
 >>> thousands of? Will upgrading to Wicket 1.5 help achieve this behavior?
 >>>
 >>> Thanks,
 >>>
 >>> Alec
 >>>
 >>>_
 >
 >>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
 >>> For additional commands, e-mail: users-h...@wicket.apache.org
 >>>
 >>>
 >
 > _
 >
 > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
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 >

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>>>
>>>
>>>
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RE: Validating form components in a refreshing view

2012-07-17 Thread Paul Bors

For example of how you could validate a form given multiple form fields take a 
look at how EqualInputValidator is implemented.

You would have to keep references to the form fields that are related and 
return them as an array via IFormValidator. getDependentFormComponents() of 
your own IFormValidator implementation. Then you can add as many of those you 
want to your form.

Wicket form processing:

 ---  --  -  --    
 
| Start | -> | required | -> | convert | -> | validate | -> |  push  | -> | 
onSubmit() |
|   ||  checks  ||  input  ||  input   ||  input || 
   |
 ---  --  -  --    
 
  |  ||  |  

 fail   fail fail   fail   
--- 
  |  ||  || 
onError() |
   - - - - - - - - - - - - - - - - - - - - - - - - - - -> | 
  |
   
---

I recommend reading "Wicket in Action" (http://manning.com/dashorst/) or any 
other books listed on Wicket's website (http://wicket.apache.org/learn/books/).

~ Thank you,
Paul Bors | Software Engineer | Knoa Software | 5 Union Square West, New York , 
NY 10003 | O: 212-807-9608 | www.knoa.com


-Original Message-
From: Tobias Knierim [mailto:tobias.knie...@googlemail.com] 
Sent: Tuesday, July 17, 2012 6:04 AM
To: users@wicket.apache.org
Subject: Re: Validating form components in a refreshing view

Hi Josh,

you're right,
I haven't put any in this example because I am really not sure how I should 
accomplish this.
If I choose a FormValidator with the FormComponents textOne and textTwo, I can 
just compare the values of one row.

I will extend my example later.

Tobi


2012/7/17 Josh Kamau :
> Hi Tobi ;
>
> I cant see any Validation code..
>
> Josh.
>
> On Tue, Jul 17, 2012 at 12:01 PM, Tobias Knierim < 
> tobias.knie...@googlemail.com> wrote:
>
>> Hi Josh,
>>
>> I just created a little example of how my application is working:
>> I want to compare value2 from Entry1 with value1 from Entry2 and so on.
>>
>> Any ideas?
>>
>>
>> Form form = new Form("form");
>> add(form);
>>
>> RefreshingView refreshingView = new 
>> RefreshingView("list", values) {
>>
>> @Override
>> protected Iterator> getItemModels() {
>> List entryList = 
>> values.getObject().getEntryList();
>>
>> ModelIteratorAdapter mia = new
>> ModelIteratorAdapter(entryList.iterator()) {
>>
>> @Override
>> protected IModel 
>> model(Entry object) {
>> return new 
>> CompoundPropertyModel(object);
>> }
>> };
>> return mia;
>> }
>>
>> @Override
>> protected void populateItem(Item item) {
>> IModel model = 
>> item.getModel();
>>
>> item.add(new 
>> TextField("textOne", new PropertyModel(model, 
>> "value1")));
>> item.add(new 
>> TextField("textTwo", new PropertyModel(model, 
>> "value2")));
>> }
>>
>> };
>>
>> form.add(refreshingView);
>>
>> Tobi
>>
>>
>> 2012/7/17 Josh Kamau :
>> > Tobi ;
>> >
>> > May be you can paste some code to show how you are constructing the 
>> > forms...
>> >
>> > I believe if you just add the validators to the components and then
>> submit
>> > the forms, it just works..
>> >
>> > Josh.
>> >
>> > On Tue, Jul 17, 2012 at 10:22 AM, Tobias Knierim < 
>> > tobias.knie...@googlemail.com> wrote:
>> >
>> >> Hi Josh,
>> >>
>> >> The whole view is wrapped in one form.
>> >>
>> >> Greetings
>> >> Tobi
>> >>
>> >> Am 17.07.2012 um 09:04 schrieb Josh Kamau :
>> >>
>> >> > Hi ;
>> >> >
>> >> > Is the whole listview wrapped in 1 form or there is a form for 
>> >> > each
>> row?
>> >> >
>> >> > Josh.
>> >> >
>> >> > On Tue, Jul 17, 2012 at 10:02 AM, Tobias Knierim < 
>> >> > tobias.knie...@googlemail.com> wrote:
>> >> >
>> >> >> Hi there,
>> >> >> I'm new to wicket and have a problem I can't find out for myself.
>> >> >> Maybe some of you can help me out with this.
>> >> >>
>> >> >> I have a refreshingview with input fields each row. I can add 
>> >> >> new
>> rows
>> >> >> on click of a button, but when I submit the form, I want to 
>> >> >> validate
>> 2
>> >> >> input fields from different rows. Everything I tried so far 
>> >> >> hasn't worked out, be

Re: Wicket examples in new version

2012-07-17 Thread michael fliegner

Had the same Question.

Look at FormPage.java, FormPage.html and FormPage$ActionPanel.html in the
wicket examples.

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Next database key pre-filled in form and associated with PropertyModel returns null

2012-07-17 Thread Ian

G'day

Short form: how do I pre-fill a form field with the dynamic value of the
next free database key

Long form:

I'd like to pre-fill a form field with the value of the next free database
key. I can do this by associating the form input field with a static model
of a string value and replacing the field in the form each time the next key
value changes. Works, but hardly elegant.

So I've associated the input field with a (dynamic) property model. Because
the next key value isn't a database field I've created a new class (called
State) with a field for the next free database key. The property model I've
associated with the form field points to that attribute of State. As each
new database row is created I manually update the value of the next free key
in State. This value then finds its way into the form when it is next
displayed. So far so good. Each time the form is displayed I can see the
correct next free key value pre-filled into the form as expected.

But when the form is submitted and I do a getModelObject() on the form the
gotten object has null in the field that should contain the next free
database key. All the other fields are correctly received from the form.
(This is true more generally - in more complex forms all the form fields
that are not associated with State are correctly received from the form. All
those that are associated with State are null.)

What is weird is that if I do:

Account account = getModelObject(); // returns null in field accountNumber
which is associated with State
account.setAccountnumber(Integer.parseInt(accountNumber.getInput())); //
Gets and sets the pre-filled value

then I get the desired result i.e. field accountNumber of account is set to
the pre-filled value.

So there is no doubt that form field has the desired value - I can see it,
and getInput() gets it. But getModelObject() (which I would be expecting to
call getInput() under the covers) doesn't get the pre-filled value.

I suspect this is a question of understanding about models in general. (I've
looked at whether I should add my PropertyModel in some way to the
LoadableDetachableModel that is associated with the form but the water got
rather deep rather quickly.)

Any enlightenment appreciated.

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Re: Next database key pre-filled in form and associated with PropertyModel returns null

2012-07-17 Thread Alec Swan

How do you determine which next key is available? If two users open
the form at the same time will they see the same key? If so, then you
need to handle errors from concurrent form submissions with the same
key. Which means for one of these concurrent requests you will have to
issue a different key and show it to the user after the form was
submitted. So, why not show the key after form submission all the
time?

On Sat, Jul 14, 2012 at 1:03 AM, Ian  wrote:
> G'day
>
> Short form: how do I pre-fill a form field with the dynamic value of the
> next free database key
>
> Long form:
>
> I'd like to pre-fill a form field with the value of the next free database
> key. I can do this by associating the form input field with a static model
> of a string value and replacing the field in the form each time the next key
> value changes. Works, but hardly elegant.
>
> So I've associated the input field with a (dynamic) property model. Because
> the next key value isn't a database field I've created a new class (called
> State) with a field for the next free database key. The property model I've
> associated with the form field points to that attribute of State. As each
> new database row is created I manually update the value of the next free key
> in State. This value then finds its way into the form when it is next
> displayed. So far so good. Each time the form is displayed I can see the
> correct next free key value pre-filled into the form as expected.
>
> But when the form is submitted and I do a getModelObject() on the form the
> gotten object has null in the field that should contain the next free
> database key. All the other fields are correctly received from the form.
> (This is true more generally - in more complex forms all the form fields
> that are not associated with State are correctly received from the form. All
> those that are associated with State are null.)
>
> What is weird is that if I do:
>
> Account account = getModelObject(); // returns null in field accountNumber
> which is associated with State
> account.setAccountnumber(Integer.parseInt(accountNumber.getInput())); //
> Gets and sets the pre-filled value
>
> then I get the desired result i.e. field accountNumber of account is set to
> the pre-filled value.
>
> So there is no doubt that form field has the desired value - I can see it,
> and getInput() gets it. But getModelObject() (which I would be expecting to
> call getInput() under the covers) doesn't get the pre-filled value.
>
> I suspect this is a question of understanding about models in general. (I've
> looked at whether I should add my PropertyModel in some way to the
> LoadableDetachableModel that is associated with the form but the water got
> rather deep rather quickly.)
>
> Any enlightenment appreciated.
>
>
>
> --
> View this message in context: 
> http://apache-wicket.1842946.n4.nabble.com/Next-database-key-pre-filled-in-form-and-associated-with-PropertyModel-returns-null-tp4650518.html
> Sent from the Users forum mailing list archive at Nabble.com.
>
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Re: Understanding Wicket redirect behavior

2012-07-17 Thread Michael Mosmann

I am still working on this.. but it takes time.
--
Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail gesendet.



Alec Swan  schrieb:

Anybody?

On Sat, Jul 14, 2012 at 5:24 PM, Alec Swan  wrote:
> Is there a way in 1.4.x to avoid a 302 redirect to /lrm/ms/oid/123.0
> when the user opens /lrm/ms/oid/123?
>
> Thanks,
>
> Alec
>
> On Sat, Jul 14, 2012 at 5:09 PM, Alec Swan  wrote:
>> Michael,
>>
>> I integrated DisabledJSessionIDinUrlFilter code that you sent me and I
>> still get a 302 redirect. The filter behaves the same as
>> COOKIE Tomcat 7 configuration.
>>
>> In other words /lrm/ms/oid/123 is still redirected with 302 code to
>> /lrm/ms/oid/../../ms/oid/123.0. Note that I no longer have jsessionid
>> at the end of the URL.
>>
>> I think the core problem is that my page is versionable and therefore
>> Wicket created the first version of the page and does a 302 redirect
>> to it.
>>
>> Still struggling with this.
>>
>> Alec
>>
>>
>> On Sat, Jul 14, 2012 at 3:48 PM, Michael Mosmann  wrote:
>>> Hi Alec,
>>>
>>> Ok.. so far for now:
>>> - with wicket 1.4 removing the jessionID from URL should do the trick.
>>> And AFAIK wicket 1.4 should not do any redirect after this.
>>> - with wicket 1.5 the jsessionID is gone, BUT wicket 1.5 will do some
>>> redirect from path/yourPage to path/yourPage?0 (0 or other - wicket
>>> page version)
>>>
>>> Michael
>>>
>>> Am Samstag, den 14.07.2012, 14:47 -0600 schrieb Alec Swan:
 Thanks Michael. I read the first link before and the only thing that I
 didn't do (and probable cannot do) is make my pages stateless.

 As far as the second link to DisabledJSessionIDinUrlFilter.java,
 doesn't it just strip off JSESSIONID from the URL? Is there something
 that I missed?

 Thanks,

 Alec

 On Sat, Jul 14, 2012 at 2:38 PM, Michael Mosmann  
 wrote:
 > Maybe this will help
 >
 > https://cwiki.apache.org/WICKET/seo-search-engine-optimization.html
 >
 > Or try this one:
 >
 > https://github.com/michaelmosmann/wicket-praxis/blob/master/de.wicketpraxis--pom/webapp/src/main/java/de/wicketpraxis/web/thema/howto/servletfilter/DisabledJSessionIDinUrlFilter.java
 >
 > Michael mosmann
 >
 > --
 > Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail 
 > gesendet.
 >
 >
 >
 > Alec Swan  schrieb:
 >
 > Thanks Josh, I upgraded to Tomcat7 and was able to disable cookies as
 > you suggested. It worked! This, however does not help me change 302
 > redirect to 200.
 >
 > Is there any way I can make /lrm/ms/oid/123 return 200 just like
 > /lrm/network as explained in my original post?
 >
 > Thanks,
 >
 > Alec
 >
 >
 > On Sat, Jul 14, 2012 at 12:36 PM, Josh Kamau  
 > wrote:
 >> I read somewhere that :
 >>
 >> When its first time you are accessing a page, tomcat doesnt know if 
 >> cookies
 >> are supported.. so to be safe, it will embed the session id in the url. 
 >> IF
 >> you then access another page, this time round tomcat knows what kind of
 >> browser its dealing with ... and if cookies are supported, it wont embed
 >> the session id in the url but will put it in a cookie..
 >>
 >> Now to tell tomcat to always use the cookies , you add
 >>
 >> 
 >> COOKIE
 >> 
 >>
 >>
 >> In your web.xml file..
 >>
 >> Cheers
 >> Josh
 >>
 >> On Sat, Jul 14, 2012 at 8:30 PM, Alec Swan  wrote:
 >>
 >>> Hello,
 >>>
 >>> While working on my previous problem I found out that when I do a GET
 >>> to one of my bookmarkable pages, e.g. /lrm/ms/oid/123, I get a 302
 >>> redirect to /lrm/ms/oid/../../ms/oid/123.0;jsessionid=xxx. However,
 >>> when I do a GET to /lrm/network I get a 200 response and jsessionid is
 >>> set as a cookie in the response.

Form Submission problem

2012-07-17 Thread wicket user

Hi ,

I have inserted my custom filter in which i have specified url-pattern as
/*, but now the form submission is not going just getting a blank page,
Please advise how to handle this. I dont see any Exceptions on my logs too. 

Thanks,

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Re: Next database key pre-filled in form and associated with PropertyModel returns null

2012-07-17 Thread Eric Jablow

On Sat, Jul 14, 2012 at 3:03 AM, Ian  wrote:

> G'day
>
> Short form: how do I pre-fill a form field with the dynamic value of the
> next free database key
>
> Is your customer demanding that the database ids end up without
any gaps? If so, try to work hard to dissuade your customer. Database
ids should have no other business meeting. They should be opaque.
One good way to distinguish between a object that has not yet been
persisted and one that has is whether its id variable is null or not.

So, suppose you have a Form.  In your onSubmit method, you
call personService.create(getModelObject()), where personService
calls DAOs, or maybe is a DAO. It modifies the Person object in place,
setting the id when it is done. It then redirects the user to the
appropriate
page. If there is a constraint violation or other database problem,
the object should be unchanged and the system should remain on
the form page.

You can reuse the form page if you want to edit an existing person. You
just don't give the user any way to edit the id, and you call an update
method instead.

Respectfully,
Eric Jablow

Re: Form Submission problem

2012-07-17 Thread Andrea Del Bene


Hi,

can you post the code of your custom filter?

Hi ,

I have inserted my custom filter in which i have specified url-pattern as
/*, but now the form submission is not going just getting a blank page,
Please advise how to handle this. I dont see any Exceptions on my logs too.

Thanks,

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Update JavaDoc for AbstractChoice#setType(java.lang.Class)

2012-07-17 Thread Paul Bors

How should we as Wicket users request updates to JavaDocs as we come across 
them?

AbstractChoice.setType throws an UnsupportedOperationException but that's not 
reflected in its JavaDoc at:
http://ci.apache.org/projects/wicket/apidocs/1.5.x/org/apache/wicket/markup/html/form/AbstractChoice.html#setType(java.lang.Class)

This is not mentioned in the migration guide. Perhaps a note should be added 
next to the one about AbstractSingleSelectChoice:
https://cwiki.apache.org/WICKET/migration-to-wicket-15.html#MigrationtoWicket1.5-%2528RC6%2529AbstractSingleSelectChoiceusesemptyStringasvaluefordefaultchoice

~ Thank you,
Paul Bors

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wicket ajax question

2012-07-17 Thread mlabs

I have a panel with some content.
It has an AjaxLink that I use to refresh the panel. In the onclick handler I
refresh the content and target.add(component..) .. that all works great...
but I want to do it another way.

I add an AbstractAjaxBehavior to the panel, because I want to make ajax
calls to it from the client.

I override renderHead() to put some JS in the client header that I can use
later to call back to my panel - it is a JS object with a function that sets
up a $.ajax() call using the callbackURL of my behavior...

I override onRequest() to catch the incoming ajax call... sure enough it
gets hit in the debugger...
I do my internal refresh of my panel's model ...
Now I need to get it to re-render.. the AjaxLink did this via
target.add(..component), so I figured I would get myself an
AjaxRequestTarget and do the same:
WebApplication app = (WebApplication)getComponent().getApplication();
AjaxRequestTarget target =
app.newAjaxRequestTarget(getComponent().getPage());

... then target.add(..component..) as before...

however this time the panel doesn't appear to redraw...

what am I missing?
TIA



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Preventing users from re-submitting wizards

2012-07-17 Thread Dan Retzlaff

Hi all,

We have a wizard workflow for our users that collects various inputs, and
when submitted, persists entities and kicks off some processing. After the
wizard is submitted, the user should not be able to navigate back and
resubmit the wizard. The obvious solution of maintaining a boolean
"isSubmitted" state within the page does not work, because during wizard
navigation many page IDs were created due to model and hierarchy changes.
The isSubmitted=true is seen by the first history entry, but page instances
further back have isSubmitted=false. Another solution is
setVersioned(false), but we like the back button to work while wizard is
active.

It seems like we need to maintain wizard state at a higher scope such as
the session, keyed uniquely by some wizard instance identifier (maybe a
UUID). Ensuring that this set of submitted (or in-progress) wizards remains
bounded seems challenging, though probably not a practical concern. Do you
have a more clever solution to this problem?

Regards,
Dan

Re: Next database key pre-filled in form and associated with PropertyModel returns null

2012-07-17 Thread Ian

G'day

In part the question was based on a misunderstanding which I have now overcome. 
I thought that all the columns of the database table had to be present in the 
form as form fields. But that is not the case. So any column whose value I know 
ahead of time I don't present on the form - I just give them values in the code 
after the user submits the form. I also came to the same conclusion about the 
database keys. 

So that reduces the question to form fields that I want to pre-fill with a 
(context-dependent) default value but whose value I allow the user to change. I 
can pre-fill the fields using a Property model as described in the initial 
post, but such values are null after the GetModelObject(). Is this a 
misunderstanding about models - that the GetModelObject won't get the values of 
form fields that are linked with a model other than the model the form is 
linked with. Seems reasonable, except that if the pre-filled fields are linked 
with a static model instead of the (dynamic) PropertyModel the form values are 
retrieved correctly by GetModelObject().

Ian Blavins

On 18/07/2012, at 4:22 AM, Eric Jablow [via Apache Wicket] wrote:

> On Sat, Jul 14, 2012 at 3:03 AM, Ian <[hidden email]> wrote: 
> 
> > G'day 
> > 
> > Short form: how do I pre-fill a form field with the dynamic value of the 
> > next free database key 
> > 
> > Is your customer demanding that the database ids end up without 
> any gaps? If so, try to work hard to dissuade your customer. Database 
> ids should have no other business meeting. They should be opaque. 
> One good way to distinguish between a object that has not yet been 
> persisted and one that has is whether its id variable is null or not. 
> 
> So, suppose you have a Form.  In your onSubmit method, you 
> call personService.create(getModelObject()), where personService 
> calls DAOs, or maybe is a DAO. It modifies the Person object in place, 
> setting the id when it is done. It then redirects the user to the 
> appropriate 
> page. If there is a constraint violation or other database problem, 
> the object should be unchanged and the system should remain on 
> the form page. 
> 
> You can reuse the form page if you want to edit an existing person. You 
> just don't give the user any way to edit the id, and you call an update 
> method instead. 
> 
> Respectfully, 
> Eric Jablow 
> 
> 
> If you reply to this email, your message will be added to the discussion 
> below:
> http://apache-wicket.1842946.n4.nabble.com/Next-database-key-pre-filled-in-form-and-associated-with-PropertyModel-returns-null-tp4650518p4650576.html
> To unsubscribe from Next database key pre-filled in form and associated with 
> PropertyModel returns null, click here.
> NAML

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Re: Next database key pre-filled in form and associated with PropertyModel returns null

2012-07-17 Thread Ian

G'day

In part the question was based on a misunderstanding which I have now overcome. 
I thought that all the columns of the database table had to be present in the 
form as form fields. This meant that I had to pre-fill values for the key 
fields. This indeed has the difficulties that you raise. But it is not the case 
that all the columns need to be in the form. So I no longer show the key fields 
but provide values for their columns after I retrieve the form with 
GetModelObject(). That side-steps the difficulties you mention. And, yes, I now 
need in some cases to show the user the key value that was generated. I've done 
that crudely with a form that becomes visible after the database row has been 
successfully created. But I will replace that with a reusable model window in 
due course. (Unless Wicket 5 has a simpler dialog box feature that I haven't 
yet discovered. I don't want to do the dialog box in Javascript).

But that still leaves the question of why the pre-filled values weren't 
retrieved by the GetModelObject(). Their values are associated with a model 
other than the model that is associated with form - is that the reason ? Seems 
reasonable, except that if the pre-filled form fields are associated with a 
static model (rather than the (dynamic) PropertyModel that I currently use) 
then the pre-filled values are correctly retrieved by GetModelObject().


Ian Blavins





On 18/07/2012, at 1:42 AM, Alec Swan [via Apache Wicket] wrote:

> How do you determine which next key is available? If two users open 
> the form at the same time will they see the same key? If so, then you 
> need to handle errors from concurrent form submissions with the same 
> key. Which means for one of these concurrent requests you will have to 
> issue a different key and show it to the user after the form was 
> submitted. So, why not show the key after form submission all the 
> time? 
> 
> On Sat, Jul 14, 2012 at 1:03 AM, Ian <[hidden email]> wrote:
> 
> > G'day 
> > 
> > Short form: how do I pre-fill a form field with the dynamic value of the 
> > next free database key 
> > 
> > Long form: 
> > 
> > I'd like to pre-fill a form field with the value of the next free database 
> > key. I can do this by associating the form input field with a static model 
> > of a string value and replacing the field in the form each time the next 
> > key 
> > value changes. Works, but hardly elegant. 
> > 
> > So I've associated the input field with a (dynamic) property model. Because 
> > the next key value isn't a database field I've created a new class (called 
> > State) with a field for the next free database key. The property model I've 
> > associated with the form field points to that attribute of State. As each 
> > new database row is created I manually update the value of the next free 
> > key 
> > in State. This value then finds its way into the form when it is next 
> > displayed. So far so good. Each time the form is displayed I can see the 
> > correct next free key value pre-filled into the form as expected. 
> > 
> > But when the form is submitted and I do a getModelObject() on the form the 
> > gotten object has null in the field that should contain the next free 
> > database key. All the other fields are correctly received from the form. 
> > (This is true more generally - in more complex forms all the form fields 
> > that are not associated with State are correctly received from the form. 
> > All 
> > those that are associated with State are null.) 
> > 
> > What is weird is that if I do: 
> > 
> > Account account = getModelObject(); // returns null in field accountNumber 
> > which is associated with State 
> > account.setAccountnumber(Integer.parseInt(accountNumber.getInput())); // 
> > Gets and sets the pre-filled value 
> > 
> > then I get the desired result i.e. field accountNumber of account is set to 
> > the pre-filled value. 
> > 
> > So there is no doubt that form field has the desired value - I can see it, 
> > and getInput() gets it. But getModelObject() (which I would be expecting to 
> > call getInput() under the covers) doesn't get the pre-filled value. 
> > 
> > I suspect this is a question of understanding about models in general. 
> > (I've 
> > looked at whether I should add my PropertyModel in some way to the 
> > LoadableDetachableModel that is associated with the form but the water got 
> > rather deep rather quickly.) 
> > 
> > Any enlightenment appreciated. 
> > 
> > 
> > 
> > -- 
> > View this message in context: 
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> > Sent from the Users forum mailing list archive at Nabble.com. 
> > 
> > - 
> > To unsubscribe, e-mail: [hidden email] 
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> >
> 
> - 
>

Re: wicket ajax question

2012-07-17 Thread mlabs

the problem was that i wasn't passing the target back as the response..
found it better to reuse the wicket ajax stuff when it comes to updating
wicket panels...

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