By removing the call to setDefaultFormProcessing(false) on the cancel button, 
the edit group is now updated as per the selection from the ddc.

However, I'm still having the ldm loading issue.  Can anyone provide any 
insight into why when the save button is clicked that the onSubmit method is 
called before the ldm.load, but the onSubmit is called after the ldm.load for 
the delete button?

Thanks for all the help!

Shelli

-----Original Message-----
From: Shelli Orton 
Sent: Wednesday, October 06, 2010 9:41 AM
To: users@wicket.apache.org
Subject: RE: DropDownChoice/Model Confusion

No, the getList() (called in the LDM load()) is only called once.  For the 
buttons add, edit and delete, the processng is like this:

- ldm.load() (which calls getList())
- button.onSubmit()
- ldm.detach() (called two times)

For the save button, the processing is:

- button.onSubmit()
- ldm.load()
- ldm.detach() (called two times)

I've discovered another anomaly in my code.  When I choose a record and click 
the edit button, the record is displayed in the edit group.  If I then choose 
cancel, the edit group is no longer displayed and the ddc selection is null. I 
then choose another record from the list and edit and the previous record 
information is displayed in the edit group even though the ddc shows the newly 
selected record.

I added get/set for the selectedRecord and set breakpoints, but those methods 
are never called.  Since the edit group components use PropertyModels, 
shouldn't the get method be called each time the page is submitted?

Shelli


-----Original Message-----
From: jcar...@carmanconsulting.com [mailto:jcar...@carmanconsulting.com] On 
Behalf Of James Carman
Sent: Tuesday, October 05, 2010 4:50 PM
To: users@wicket.apache.org
Subject: Re: DropDownChoice/Model Confusion

Is your getList() being called multiple times?

On Tue, Oct 5, 2010 at 6:37 PM, Shelli Orton <shelli.or...@sjrb.ca> wrote:
> I overrode the detach method in my class (which simply calls super.detach()) 
> so I could set a breakpoint and see if it gets called and it does.
>
> Shelli
>
> -----Original Message-----
> From: Shelli Orton
> Sent: Tuesday, October 05, 2010 2:24 PM
> To: users@wicket.apache.org
> Subject: RE: DropDownChoice/Model Confusion
>
> I don't know how to determine that.
>
> -----Original Message-----
> From: jcar...@carmanconsulting.com [mailto:jcar...@carmanconsulting.com] On 
> Behalf Of James Carman
> Sent: Tuesday, October 05, 2010 1:44 PM
> To: users@wicket.apache.org
> Subject: Re: DropDownChoice/Model Confusion
>
> Is it being detached?
>
> On Tue, Oct 5, 2010 at 3:26 PM, Shelli Orton <shelli.or...@sjrb.ca> wrote:
>> No, I'm not using AJAX.  Is there a way to force the LDB to reload?
>>
>> Shelli
>>
>> -----Original Message-----
>> From: jcgarciam [mailto:jcgarc...@gmail.com]
>> Sent: Tuesday, October 05, 2010 12:52 PM
>> To: users@wicket.apache.org
>> Subject: Re: DropDownChoice/Model Confusion
>>
>>
>> I dont think it may be related to the hierarchy, are you using AJAX?
>>
>> On Tue, Oct 5, 2010 at 2:38 PM, Shelli Orton [via Apache Wicket] <
>> ml-node+2956527-385265518-65...@n4.nabble.com<ml-node%2B2956527-38526551
>> 8-65...@n4.nabble.com>
>>> wrote:
>>
>>> Hmm, that code sort of works.  When I create or edit a record, the
>> list
>>> is updated.  However, when I delete a record it is not.  My component
>>> hierarchy is set up like this (hope it makes sense):
>>>
>>> TabPanel
>>>   - SelectForEditForm
>>>     - MyRecords (DDC)
>>>     - Add (Button)
>>>     - Edit (Button)
>>>     - Delete (Button)
>>>   - EditGroup (WebMarkupContainer)
>>>     - EditForm
>>>       - MyRecord Name (TextField)
>>>       - MyRecord Attribute (DDC)
>>>       - Save (Button)
>>>       - Cancel (Button)
>>>
>>> I created the EditGroup so that I can hide/display the edit panel.
>>> Debugging the application shows that the save button onSubmit is
>> called
>>> before the update of the myRecordsModel LDM and this is why the list
>> is
>>> updated when I create/edit a record. The delete button onSubmit is
>>> called after the update of the myRecordsModel LDM and that is why a
>>> deleted record is still visible in the list.
>>>
>>> I think the issue has something to do with the buttons being in
>>> different places in the component hierarchy. Can you provide any
>>> guidance on if there's some way to have the LDM updated after the
>> delete
>>> onSubmit?
>>>
>>> Thanks again,
>>> Shelli
>>>
>>> -----Original Message-----
>>> From: jcgarciam [mailto:[hidden
>> email]<http://user/SendEmail.jtp?type=node&node=2956527&i=0>]
>>>
>>> Sent: Tuesday, October 05, 2010 9:33 AM
>>> To: [hidden email]
>> <http://user/SendEmail.jtp?type=node&node=2956527&i=1>
>>> Subject: Re: DropDownChoice/Model Confusion
>>>
>>>
>>> Yes, that should make your DDC to query the list any time it needs to
>> re
>>> render.
>>>
>>> To your 2nd. question in order to set a default or selected value,
>> just
>>> set
>>> a "MyRecord" reference to your property, keep in mind that your
>>> "MyRecord"
>>> should implement and equals/hashcode correctly.
>>>
>>>
>>> On Tue, Oct 5, 2010 at 12:00 PM, Shelli Orton [via Apache Wicket] <
>>> [hidden email]
>> <http://user/SendEmail.jtp?type=node&node=2956527&i=2><ml-node%2B2956214
>> -1797994
>>>
>>> [hidden email] <http://user/SendEmail.jtp?type=node&node=2956527&i=3>>
>>> > wrote:
>>>
>>> > Hi,
>>> >
>>> > Thanks for replying.  Just to clarify, do you mean do something like
>>> > this:
>>> >
>>> >
>>> >     LoadableDetachableModel<List<MyRecord>> myRecordsModel = new
>>> > LoadableDetachableModel<List<MyRecord>>()
>>> >     {
>>> >         @Override
>>> >         protected List<MyRecord> load()
>>> >         {
>>> >             return myRecordService.getList();
>>> >         }
>>> >     };
>>> >
>>> >     MyRecord selectedRecord;
>>> >
>>> >     form.add(new DropDownChoice<MyRecord>("records",
>>> >         new PropertyModel<MyRecord>(this, "selectedRecord"),
>>> >         myRecordsModel,
>>> >         new MyRecordRenderer()).setNullValid(false));
>>> >
>>> > Shelli
>>> >
>>> > -----Original Message-----
>>> > From: jcgarciam [mailto:[hidden
>>> email]<http://user/SendEmail.jtp?type=node&node=2956214&i=0>]
>>> >
>>> > Sent: Monday, October 04, 2010 6:27 PM
>>> > To: [hidden email]
>>> <http://user/SendEmail.jtp?type=node&node=2956214&i=1>
>>> > Subject: Re: DropDownChoice/Model Confusion
>>> >
>>> >
>>> > Hi, instead of passing  "getMyRecords()" in the constructor wrap it
>>> > around
>>> > a LoadableDetachableModel and pass that model to the DDC. The
>>> difference
>>> > is
>>> > that your current list is fetch only once at construction of your
>>> pages
>>>
>>> > and
>>> > is considered static because its never get called again unless you
>>> > triggered
>>> > it by entering to a new page instance, while by using a LDM the
>>> > component
>>> > will ask for it every time it needs to re-render them.
>>> >
>>> >
>>> > On Mon, Oct 4, 2010 at 6:52 PM, Shelli Orton [via Apache Wicket] <
>>> > [hidden email]
>>>
>> <http://user/SendEmail.jtp?type=node&node=2956214&i=2><ml-node%2B2955144
>>> -66557051
>>>
>>> >
>>> > [hidden email]
>> <http://user/SendEmail.jtp?type=node&node=2956214&i=3>>
>>> > > wrote:
>>> >
>>> > > I am writing a (simple?) database CRUD app where I have multiple
>> tab
>>> > > panels that encapsulate the different tables in the database.  On
>> a
>>> > > panel there's a dropdownchoice which lists the existing records
>> for
>>> > that
>>> > > table.  There's also create, delete and edit buttons (and and edit
>>> > panel
>>> > > with save and cancel buttons).  When I create, edit or delete any
>> of
>>> > the
>>> > > records, the dropdownchoice list doesn't reflect the changes until
>> I
>>> > > open a new session.  So my question is how to reload the list
>> after
>>> > one
>>> > > of these actions is done?
>>> > >
>>> > > Currently my dropdownchoice model is set like this:
>>> > >
>>> > >     MyRecord selectedRecord;
>>> > >     ...
>>> > >     form.add(new DropDownChoice<MyRecord>("records",
>>> > >         new PropertyModel<MyRecord>(this, "selectedRecord"),
>>> > >         getMyRecords(), // method that retrieves from the database
>>> > (via
>>> > > JPA)
>>> > >         new MyRecordRenderer()).setNullValid(false)); // used to
>>> > return
>>> > > the display attribute of MyRecord
>>> > >
>>> > > I am trying to understand if using a LoadableDetachableModel will
>> do
>>> > the
>>> >
>>> > > reload that I want. Also, I don't know how to set the
>> selectedRecord
>>> > > using that type of model or if it's even possible.
>>> > >
>>> > > Any advice?
>>> > >
>>> > > Thanks!
>>> > >
>>> > > Shelli
>>> > >
>>> > >
>>> ---------------------------------------------------------------------
>>>
>>> > > To unsubscribe, e-mail: [hidden
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>>> > >
>>> > >
>>> > >
>>> > > ------------------------------
>>> > >  View message @
>>> > >
>>> >
>>>
>> http://apache-wicket.1842946.n4.nabble.com/DropDownChoice-Model-Confusio
>> <http://apache-wicket.1842946.n4.nabble.com/DropDownChoice-Model-Confusi
>> o?by-user=t>
>>>
>> <http://apache-wicket.1842946.n4.nabble.com/DropDownChoice-Model-Confusi
>> <http://apache-wicket.1842946.n4.nabble.com/DropDownChoice-Model-Confusi
>> ?by-user=t>
>>> o?by-user=t>
>>> > n-tp2955144p2955144.html
>>> > > To start a new topic under Apache Wicket, email
>>> > >
>>> > [hidden email]
>>>
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>>> > [hidden email]
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>>>
>>>
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>>> >
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>>> > >
>>> > >
>>> > >
>>> >
>>> >
>>> > --
>>> > Sincerely,
>>> > JC (http://www.linkedin.com/in/jcgarciam)
>>> > Work smarter, not harder!.
>>> >
>>> > --
>>> > View this message in context:
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>>>
>> http://apache-wicket.1842946.n4.nabble.com/DropDownChoice-Model-Confusio
>> <http://apache-wicket.1842946.n4.nabble.com/DropDownChoice-Model-Confusi
>> o?by-user=t>
>>>
>> <http://apache-wicket.1842946.n4.nabble.com/DropDownChoice-Model-Confusi
>> <http://apache-wicket.1842946.n4.nabble.com/DropDownChoice-Model-Confusi
>> ?by-user=t>
>>> o?by-user=t>
>>> > n-tp2955144p2955255.html
>>> > Sent from the Users forum mailing list archive at Nabble.com.
>>> >
>>> >
>> ---------------------------------------------------------------------
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>>> >
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>>> >
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>>> >  View message @
>>> >
>>>
>> http://apache-wicket.1842946.n4.nabble.com/DropDownChoice-Model-Confusio
>> <http://apache-wicket.1842946.n4.nabble.com/DropDownChoice-Model-Confusi
>> o?by-user=t>
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>>> >
>>> >
>>>
>>>
>>> --
>>> Sincerely,
>>> JC (http://www.linkedin.com/in/jcgarciam)
>>> Work smarter, not harder!.
>>>
>>> --
>>> View this message in context:
>>>
>> http://apache-wicket.1842946.n4.nabble.com/DropDownChoice-Model-Confusio
>> <http://apache-wicket.1842946.n4.nabble.com/DropDownChoice-Model-Confusi
>> o?by-user=t>
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>>
>>
>> --
>> Sincerely,
>> JC (http://www.linkedin.com/in/jcgarciam)
>> Work smarter, not harder!.
>>
>> --
>> View this message in context:
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>> n-tp2955144p2956669.html
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