[Wicket-user] ListViews dynamic Forms

2007-07-11 Thread Jan Kriesten

Hi!

After I had some chit-chat ;-) with Almaw today already on IRC I still am
looking for a solution fot the following problem:

Consider the following Form:

form
input name=description type=text value= / (required=true)
---
ListView:
n times input name=images type=text value=xy/
input type=submit value=add image/
---
input type=submit value=save/
/form

The 'add image'-button allows the user to add more input-fields of 'images' to
be added to the ListView. Everything works fine on this Form as long as the Form
validates and the Model gets updated on 'add image' - the ListView-input-fields
are saved before adding another entry.

But this doesn't work out in the above case, when description isn't yet filled
out (because it's a required field). Then the new images-input-field has to be
added within an 'onError'-Event. Since I change the ListViews's Model, I have to
call listview.removeAll() so the ListView is recreated from the Model (which
isn't updated because of validation errors). So any input the user entered to
the ListView-fields before pressing 'add image' are lost.

Inner Forms aren't an option either, because the images-input-field might also
not validate (I have quite an complex test case set up).

So, my question is: can I save the posted values to the model without actually
verify all fields? I tried to override validate() and only call super.validate()
when the 'save'-button is entered, but that didn't work out.

Any help is appreciated.

Best regards, --- Jan.


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Re: [Wicket-user] ListViews dynamic Forms

2007-07-11 Thread Jan Kriesten

Hi,

update on this topic:

I've found a workaround to update the ListViews childrens Models by walking the
Components below ListView with an IVisitor and do a updateModel() on all
FormComponents.

The question remains, if there's a way to do this without updating the Model?

Best regards, --- Jan.



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Re: [Wicket-user] ListViews dynamic Forms

2007-07-11 Thread Igor Vaynberg

if you enable listview.reuseitems(true) your values should stick. make
addbutton.defaultformprocessing(false).

the idea here is that reuseitems will cause the comeponentpath of textfields
not change - which will cause their name attribute not to change also -
which will cause them to pick up the submitted value from last request. make
sure that all addbutton.submit does is add a value to the ened of the
listview's model.

-igor

On 7/11/07, Jan Kriesten [EMAIL PROTECTED] wrote:



Hi,

update on this topic:

I've found a workaround to update the ListViews childrens Models by
walking the
Components below ListView with an IVisitor and do a updateModel() on all
FormComponents.

The question remains, if there's a way to do this without updating the
Model?

Best regards, --- Jan.



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Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
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