-----Original Message-----
From: [EMAIL PROTECTED] [mailto:wicket-develop-
[EMAIL PROTECTED] On Behalf Of Eelco Hillenius
Sent: Friday, September 09, 2005 1:32 PM
To: wicket-develop@lists.sourceforge.net
Subject: Re: [Wicket-develop] More button talk.
Ugh. I have my of my indecisive days. Too many arguments. I'm going to
bed now, read some more in my never shrinking stack of Philosophy
books. Sometimes it's easier to read that stuff than to make
long-lasting API choices.
Eelco
On 9/9/05, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
This approach works in your case, but I don't think it belongs in a
general
framework. What if you have a date field or an integer field on your
form -
your approach only works if you have string inputs.
I had to do the same thing not long ago with a wizard's back button, I
wanted to capture the state of the form but not validate it when the
back
button is pressed, and later restore it when the page was needed again.
A
better solution is not to bind to a model (which is by def typesafe) but
to
keep a map of arguments and init the form components off that map. How
can
you bind "abc" to a date field?
I think a proper solution would be to build the support for the above
properly by giving the user an ability to capture and restore form state
off
http request parameters submitted.
Something like Map<String,String> getFormState() and
setFormState(Map<String,String>) where String-String are the http
request
param pairs.
-Igor
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:wicket-
develop-
[EMAIL PROTECTED] On Behalf Of Phil Kulak
Sent: Friday, September 09, 2005 1:02 PM
To: wicket-develop@lists.sourceforge.net
Subject: Re: [Wicket-develop] More button talk.
It's handy to do binding without validation when you want the user to
be able to leave a form to an intercept page before they are done
working with the form. My exact case is a form that contains a
user-selected photo. The best way to allow a user to select a photo is
to take them to another page so they can browse thumbnails, upload new
images, whatever, but it's not expected for them to loose the
information they've already entered or to be required to complete the
entire form before selected a certain piece.
And yes, I could just make photo selection a new page (which I will do
if this patch doesn't go through), but this seems more elegant to me.
Making every little step a new page in a wizard reeks of webapp to me,
and I like to try to get more of a desktop experiance.
Sure it's not something you going to run into every day, but if you
do, it's really nice to be able to control form behavior at this
level.
On 9/9/05, Eelco Hillenius <[EMAIL PROTECTED]> wrote:
You have a point of course. In this case, the Button's API is really
small though, and it has these methods documented very well.
If you are -1 on this change, we could have a vote. So far, there
haven't been many reactions on this.
Eelco
On 9/9/05, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
Yes, but validation and updating is not tied together. You can
still
call
the validation function by itself and it wont update the model. I
think
having two functions is too complex of a tradeoff for a usecase
that
no one
can come up with. Sometimes you have to go with simple vs
flexible.
Just my
two cents.
-Igor
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:wicket-
develop-
[EMAIL PROTECTED] On Behalf Of Eelco Hillenius
Sent: Friday, September 09, 2005 12:36 PM
To: wicket-develop@lists.sourceforge.net
Subject: Re: [Wicket-develop] More button talk.
Probably not, but there have been people that expressed they
would
like to have the option. I can't think of a really usefull case
myself. Though validating without updating is usefull.
Eelco
On 9/9/05, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
Does it make sense to have update on and validation off? What
about type
conversion errors?
-Igor
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:wicket-
develop-
[EMAIL PROTECTED] On Behalf Of Eelco Hillenius
Sent: Friday, September 09, 2005 12:10 PM
To: wicket-develop@lists.sourceforge.net
Subject: Re: [Wicket-develop] More button talk.
What about triggerFormUpdate and triggerFormValidate ?
Eelco
On 9/9/05, Phil Kulak <[EMAIL PROTECTED]> wrote:
I'm not attached to that term. It's just another case of
using
what
other frameworks use, I guess. But you're right, we are
only
talking
about binding in one direction, so it may be wise to
change
it. I
like
"updateForm".
On 9/9/05, Eelco Hillenius <[EMAIL PROTECTED]>
wrote:
Checking it out now. One thing: the property is now
called
binding. I
think it could have a better name. I find binding
confusing
as the
binding is allways done for reading, and it doesn't make
clear
that
the thing you want to turn on or off is actually whether
the
form
model(s) are updated or not.
What about updateForm or applyInput or something?
Eelco
On 9/9/05, Phil Kulak <[EMAIL PROTECTED]> wrote:
Does anyone have a second to check this out? I would
just
like
to
know
if it's something that's going to be applied so I can
either
continue
to use it, or find some other way to do what I need.
Thanks!
On 9/7/05, Phil Kulak <[EMAIL PROTECTED]> wrote:
I just submitted the patch. I was able to make
setDefaultFormProcessing(boolean) a virtual field
that
just
sets
isBinding(boolean) and isValidating(boolean) at the
same
time.
One
problem I ran into though, was that the javadoc
didn't
actually
reflect how the processing actually occured. The
comments
suggested
that the form's onSubmit() was always called after
the
button,
but
that's not the case. I went ahead and duplicated
what
actually
happens
rather then what was commented and modified the
comment.
So,
long
story short, the processing should be exactly the
same
and the
API
didn't change, but now you can exactly specify if
binding or
validation happens.
On 9/6/05, Ralf Ebert <[EMAIL PROTECTED]> wrote:
Hi,
not sure about this. I would like to have a enum
like
thing
with
NOTHING, VALIDATION_ONLY and
VALIDATION_AND_UPDATE. I
also
like
the
way in which it is done right now, so I get
validation
and
model
updating automatically and if I don't want that, I
have to
call
the
methods myself.
I also think a (convenient) way is needed to
submit a
form
and
losing
no form data without validation and without model
updating.
This
is
needed for example if there is a file upload
button
within a
form.
You need to submit the form for uploading the file
but
that
doesn't
mean you want to update the model as well in every
case.
Regards,
Ralf
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