the problem is that with a form with all kinds of fields and such a
dropdownchoice
you need to do a form.submit() but then we on the server side we see
that submit
But this is not a real submit but a 'semi' submit. The form fields must
set there values in the invalidInput field
for storage (it shouldn't be pushed to the models and no validation
should occur)
Then the interface of the dropdownchoice should be invoked. And on
render all the values
that just came with it are renderd again so that nothing is lost.
The problem will be when the form is in multipart .. (file upload)
because then we have more problems....
Of course that onchange would be the perfect candidate for ajax.. But
how are we going to process the respond?
What kind of things can be done when such a dropdown is changed ?
fill another drop down
set some values of other fields.
set some feedback...
And are we willing to do those things purely in ajax. So no support in
'normal' use?
johan
Igor Vaynberg wrote:
That is simple enough with plain javascript. here is an example:
http://www.quirksmode.org/index.html?/js/select.html
you would have to generate the javascript for all your options in the
linked selectbox using wicket.
-Igor
------------------------------------------------------------------------
*From:* [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] *On Behalf Of
*Martin Bednar
*Sent:* Friday, August 19, 2005 4:34 AM
*To:* [email protected]
*Subject:* Re: [Wicket-user] Using DropDownChoice and
wantOnSelectionChangedNotifications=true clean other form components
I have form containing for example:
Textbox
DropDownChoice1
DropDownChoice2(depend on selection in DropDownChoice1)
When item from DropDownChoice1 is selected, send values of all
component in form to server, update models, and render updated page.
Martin
Igor Vaynberg wrote:
I see this discussion going nowhere fast :)
Why doesn't Martin let us know more about his problem and we will see if
there is an easy solution.
-Igor
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Phil Kulak
Sent: Thursday, August 18, 2005 9:09 PM
To: [email protected]
Subject: Re: [Wicket-user] Using DropDownChoice and
wantOnSelectionChangedNotifications=true clean other form components
Well, not if there's a lot of different possible details.
On 8/18/05, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
Or plain old javascript can do the trick as well. There have been
master detail select boxes for ages before ajax :)
-Igor
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On
Behalf Of Phil
Kulak
Sent: Thursday, August 18, 2005 7:15 PM
To: [email protected]
Subject: Re: [Wicket-user] Using DropDownChoice and
wantOnSelectionChangedNotifications=true clean other form
components
I think AJAX is the solution here.
On 8/18/05, Johan Compagner <[EMAIL PROTECTED]> wrote:
yes this is a problem that i am also looking at.
We should do a form post instead of making getting a url..
But this is not so easy at the moment.
Validators of the form shouldn't run, And i don't think we can
update the model also. We have to keep it internally in
form After
that we do have to call that drop down method..
But for this we need to generate some hidden fields in the
form where
we can set state.
What the exact interface call was..
It is not only a drop down problem. Also for example a
pageable list
with a navigator which are links can have the same
problem if the
pageable list is inside a form...
johan
Martin Bednar wrote:
Hi,
There is a way how to submit values to model from other form
components when DropDownChoice roundtrip is invoked ?
I have form containing lot's of textboxes and some
DropDownChoices
depends on DropDownChoices with roundtrip enabled
(Master-Detail).
After choosing value from DropDownChoice, roundtrip is
done, and all
data in textboxes are lost :(
Any advice ?
Tnx, Martin
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