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problems with repeat and case

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marc.natale

problems with repeat and case

hello,

I want to duplicate an element in my form.
Thus, I shift from:
<xforms:group ref="element">
<xforms:input ref="element2"/>
</xforms:group>
(which works well)
to:
<xforms:repeat nodeset="element" id="id1">
<xforms:input ref="element2"/>
</xforms:group>
plus the adequate triggers 'add' and 'remove'.

But this doesn't work: it displays the following message:
Single-node binding expression 'element2' returned an empty nodeset

I precise that I use this repeat in a <widget:tab>.
I think it's linked because I have already used the repeat without any problem...

My second problem is using both the <case> and the <repeat>:
I want to duplicate an element which contains a choice (exclusive)
so I don't know how to name the 'id' of the case because when it duplicates, several case will have the same id...
Has anyone understood my problem?

Thanks for helping me,
Marc

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Erik Bruchez

Re: problems with repeat and case

Administrator

[hidden email] wrote:

Just to answer this part of your post:

> My second problem is using both the <case> and the <repeat>:
> I want to duplicate an element which contains a choice (exclusive)
> so I don't know how to name the 'id' of the case because when it duplicates, several case will have the same id...
> Has anyone understood my problem?

From the 1.0 spec, section 9.3.10:

"A necessary consequence of this is that XForms 1.0 does not specify the
behavior of construct switch within element repeat. Future versions of
XForms may specify the behavior of switch inside repeat based on
implementation experience and user feedback."

OPS as of yet does not specify a behavior either, and it will likely not
work as you expect it.

Any thoughts about what possible behaviors could be? I see two:

o All the repeated switches show the same case element and switch at the
same time.

o Somehow, a particular switch only switches, maybe based on the source
of the initial event causing the toggle action. Not sure what the
consequences of this would be.

-Erik

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Erik Bruchez

Re: problems with repeat and case

Administrator

In reply to this post by marc.natale

[hidden email] wrote:

> I want to duplicate an element in my form.
> Thus, I shift from:
> <xforms:group ref="element">
> <xforms:input ref="element2"/>
> </xforms:group>
> (which works well)
> to:
> <xforms:repeat nodeset="element" id="id1">
> <xforms:input ref="element2"/>
> </xforms:group>
> plus the adequate triggers 'add' and 'remove'.
>
> But this doesn't work: it displays the following message:
> Single-node binding expression 'element2' returned an empty nodeset

I attach a correct example. The nodeset attribute on the xforms:repeat
must refer to the homogenuous collection, i.e. element/element2. See
also how the triggers are implemented.

Now the attached example works only partly within the XForms sandbox
(try it, it's quite handy!):

http://www.orbeon.com/ops/goto-example/xforms-sandbox

However I have found some bugs:

http://forge.objectweb.org/tracker/index.php?func=detail&aid=303897&group_id=168&atid=350207

-Erik

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marc.xhtml (1K) Download Attachment

marc.natale

Re: problems with repeat and case

Thanks for your answer Erik,
but I still have a problem:
what i wanted to repeat was the <group ref="element">, and not the element2...

Actually, I want to use a <xforms:textarea> in the <xforms:repeat>.
Even with your advice, it does not work. However, when I replace the
<textarea> by a <input>, it works quite well (). I do not really
understand why... maybe a bug linked to the textarea?

(Plus, I've seen your good example, but I noticed something wrong: In
the beginning, if I click on Remove when there is no any box, and then
I click on Add, nothing happen... That's not really bad, but...)

Marc

On 16/08/05, Erik Bruchez <[hidden email]> wrote:

> [hidden email] wrote:
>
> > I want to duplicate an element in my form.
> > Thus, I shift from:
> > <xforms:group ref="element">
> > <xforms:input ref="element2"/>
> > </xforms:group>
> > (which works well)
> > to:
> > <xforms:repeat nodeset="element" id="id1">
> > <xforms:input ref="element2"/>
> > </xforms:group>
> > plus the adequate triggers 'add' and 'remove'.
> >
> > But this doesn't work: it displays the following message:
> > Single-node binding expression 'element2' returned an empty nodeset
>
> I attach a correct example. The nodeset attribute on the xforms:repeat
> must refer to the homogenuous collection, i.e. element/element2. See
> also how the triggers are implemented.
>
> Now the attached example works only partly within the XForms sandbox
> (try it, it's quite handy!):
>
> http://www.orbeon.com/ops/goto-example/xforms-sandbox
>
> However I have found some bugs:
>
> http://forge.objectweb.org/tracker/index.php?func=detail&aid=303897&group_id=168&atid=350207
>
> -Erik
>
>
>
>
> --
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> To unsubscribe: mailto:[hidden email]
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>
>
>
>

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Erik Bruchez

Re: problems with repeat and case

Administrator

Hi Marc,

Repeating element vs. element2 does not make a difference. I attach a
version with that change.

However you are right that xforms:textarea did not work within
xforms:repeat. I just fixed it.

As far as deleting the last element, yes, this is a "feature" of XForms
1.0: xforms:repeat requires at least one prototype element to survive so
that it can be duplicated again. One trick is to use
xforms:bind/@relevant to hide the last repeated element from the UI.
This is what is done in the more complete "Repeating Element" example:

http://localhost:8888/ops/goto-example/xforms-repeat

-Erik

Marc Natale wrote:

> Thanks for your answer Erik,
> but I still have a problem:
> what i wanted to repeat was the <group ref="element">, and not the element2...
>
> Actually, I want to use a <xforms:textarea> in the <xforms:repeat>.
> Even with your advice, it does not work. However, when I replace the
> <textarea> by a <input>, it works quite well (). I do not really
> understand why... maybe a bug linked to the textarea?
>
> (Plus, I've seen your good example, but I noticed something wrong: In
> the beginning, if I click on Remove when there is no any box, and then
> I click on Add, nothing happen... That's not really bad, but...)
>
> Marc
>
>
> On 16/08/05, Erik Bruchez <[hidden email]> wrote:
>
>>[hidden email] wrote:
>>
>> > I want to duplicate an element in my form.
>> > Thus, I shift from:
>> > <xforms:group ref="element">
>> > <xforms:input ref="element2"/>
>> > </xforms:group>
>> > (which works well)
>> > to:
>> > <xforms:repeat nodeset="element" id="id1">
>> > <xforms:input ref="element2"/>
>> > </xforms:group>
>> > plus the adequate triggers 'add' and 'remove'.
>> >
>> > But this doesn't work: it displays the following message:
>> > Single-node binding expression 'element2' returned an empty nodeset
>>
>>I attach a correct example. The nodeset attribute on the xforms:repeat
>>must refer to the homogenuous collection, i.e. element/element2. See
>>also how the triggers are implemented.
>>
>>Now the attached example works only partly within the XForms sandbox
>>(try it, it's quite handy!):
>>
>> http://www.orbeon.com/ops/goto-example/xforms-sandbox
>>
>>However I have found some bugs:
>>
>>http://forge.objectweb.org/tracker/index.php?func=detail&aid=303897&group_id=168&atid=350207
>>
>>-Erik
>>
>>
>>
>>
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>>You receive this message as a subscriber of the [hidden email] mailing list.
>>To unsubscribe: mailto:[hidden email]
>>For general help: mailto:[hidden email]?subject=help
>>ObjectWeb mailing lists service home page: http://www.objectweb.org/wws
>>
>>
>>
>>
>
>
>
> ------------------------------------------------------------------------
>
>
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marc.xhtml (1K) Download Attachment

Alessandro Vernet

Re: problems with repeat and case

Administrator

In reply to this post by Erik Bruchez

--- Erik Bruchez <[hidden email]> wrote:
> However I have found some bugs:
>
>
http://forge.objectweb.org/tracker/index.php?func=detail&aid=303897&group_id=168&atid=350207

Those bugs have been fixed. Marc, you might want to try again now and
please let us know if you have notice anything unexpected.

Alex

--
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marc.natale

Re: problems with repeat and case

Hi,

I've tried your last version. All bugs mentionned in http://forge.objectweb.org/tracker/index.php?func=detail&aid=303897&group_id=168&atid=350207 are solved (as far as I've tested...): thanks a lot! but there remain problems (maybe my fault?):

I use this kind of code:

<xforms:group ref="1">

<xforms:repeat id="2">

<xforms:repeat id="4">

</xforms:repeat id="4">

</xforms:repeat>

<xforms:repeat id="3">

<xforms:repeat id="4">

</xforms:repeat id="4">

</xforms:repeat>

</xforms:group>

with the appropriate triggers add/remove. My problem is due to a bad indexation: I start with 1 instance of each repeat.

Then I want for example to create 3 instances of repeat id=2 and 1 instances of repeat id=3. When I create the third instance of repeat id=2, the instance is well created, but the page is still trying to load something, so that I cannot do anything on the page...

After many trials, I realized that the gap between the number of instance of the repeat 2 and the number of instance of the repeat 3 must not be superior to 1 if I want to create (or delete!) one of the instance... So it's a big problem...

If anyone has understood this weird issue and has an idea of solution, please reply!

Thanks,

Marc

On 22/08/05, Alessandro Vernet <[hidden email]> wrote:

--- Erik Bruchez <[hidden email]> wrote:
> However I have found some bugs:
>
>
http://forge.objectweb.org/tracker/index.php?func=detail&aid=303897&group_id=168&atid=350207

Those bugs have been fixed. Marc, you might want to try again now and
please let us know if you have notice anything unexpected.

Alex

--
Blog (XML, Web apps, Open Source): http://www.orbeon.com/blog/

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Alessandro Vernet

Re: problems with repeat and case

Administrator

Hi Marc,

I am not sure I completely understand the problem you are describing.
Could you send us some code that we can run locally in the XForms sandbox?

In your pseudo-code, you are using the same id for the two nested repeats.
This is not valid and could create issues down the road. If you actually
have this in your code, you might want to change those ids and make sure
that each id is unique across the whole document.

Alex

--- Marc Natale <[hidden email]> wrote:

> Hi,
> I've tried your last version. All bugs mentionned in
>
http://forge.objectweb.org/tracker/index.php?func=detail&aid=303897&group_id=168&atid=350207are

> solved (as far as I've tested...): thanks a lot! but there remain
> problems (maybe my fault?):
> I use this kind of code:
> <xforms:group ref="1">
>
> <xforms:repeat id="2">
>
> <xforms:repeat id="4">
> </xforms:repeat id="4">
>
> </xforms:repeat>
> <xforms:repeat id="3">
>
> <xforms:repeat id="4">
> </xforms:repeat id="4">
>
> </xforms:repeat>
>
> </xforms:group>
> with the appropriate triggers add/remove. My problem is due to a bad
> indexation: I start with 1 instance of each repeat.
> Then I want for example to create 3 instances of repeat id=2 and 1
> instances
> of repeat id=3. When I create the third instance of repeat id=2, the
> instance is well created, but the page is still trying to load
> something, so
> that I cannot do anything on the page...
> After many trials, I realized that the gap between the number of
> instance
> of the repeat 2 and the number of instance of the repeat 3 must not be
> superior to 1 if I want to create (or delete!) one of the instance... So
>
> it's a big problem...
> If anyone has understood this weird issue and has an idea of solution,
> please reply!
> Thanks,
> Marc
>
> On 22/08/05, Alessandro Vernet <[hidden email]> wrote:
> >
> > --- Erik Bruchez <[hidden email]> wrote:
> > > However I have found some bugs:
> > >
> > >
> >
> >
>

http://forge.objectweb.org/tracker/index.php?func=detail&aid=303897&group_id=168&atid=350207

> >
> > Those bugs have been fixed. Marc, you might want to try again now and
> > please let us know if you have notice anything unexpected.
> >
> > Alex
> >
> > --
> > Blog (XML, Web apps, Open Source): http://www.orbeon.com/blog/
> >
> >
> >
> >
> > --
> > You receive this message as a subscriber of the
> [hidden email] list.
> > To unsubscribe: mailto:[hidden email]
> > For general help: mailto:[hidden email]?subject=help
> > ObjectWeb mailing lists service home page:
> http://www.objectweb.org/wws
> >
> >
> >
> >
> --
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> mailing list.
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> For general help: mailto:[hidden email]?subject=help
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>

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marc.natale

Re: problems with repeat and case

Hi Alex,

I've just made a mistake in the mail; but in my code, I have actually 2 different "id" for the 2 nested repeats.

I could send you my code if you want, but I've already tested it on your XForms sandbox example on orbeon.com, and it requires the schema my application uses (it's based on the bizdoc NG example...) and the "empty-instance"... so I cannot check everything...

By the way, I said I had a problem with the xforms:help and the position of the message is displayed. I have tested the same pages with another navigator than IE6 (firefox), and it works quite well... It may help you solve this little problem or not...

Regards,

Marc

On 24/08/05, Alessandro Vernet <[hidden email]> wrote:

Hi Marc,

I am not sure I completely understand the problem you are describing.
Could you send us some code that we can run locally in the XForms sandbox?

In your pseudo-code, you are using the same id for the two nested repeats.
This is not valid and could create issues down the road. If you actually
have this in your code, you might want to change those ids and make sure
that each id is unique across the whole document.

Alex

--- Marc Natale <[hidden email]> wrote:

> Hi,
> I've tried your last version. All bugs mentionned in
>
http://forge.objectweb.org/tracker/index.php?func=detail&aid=303897&group_id=168&atid=350207are

> solved (as far as I've tested...): thanks a lot! but there remain
> problems (maybe my fault?):
>  I use this kind of code:
>  <xforms:group ref="1">
>
>  <xforms:repeat id="2">
>
> <xforms:repeat id="4">
> </xforms:repeat id="4">
>
> </xforms:repeat>
>   <xforms:repeat id="3">
>
>  <xforms:repeat id="4">
> </xforms:repeat id="4">
>
> </xforms:repeat>
>
> </xforms:group>
>  with the appropriate triggers add/remove. My problem is due to a bad
> indexation: I start with 1 instance of each repeat.
> Then I want for example to create 3 instances of repeat id=2 and 1
> instances
> of repeat id=3. When I create the third instance of repeat id=2, the
> instance is well created, but the page is still trying to load
> something, so
> that I cannot do anything on the page...
>  After many trials, I realized that the gap between the number of
> instance
> of the repeat 2 and the number of instance of the repeat 3 must not be
> superior to 1 if I want to create (or delete!) one of the instance... So
>
> it's a big problem...
>  If anyone has understood this weird issue and has an idea of solution,
> please reply!
> Thanks,
> Marc
>
>  On 22/08/05, Alessandro Vernet <[hidden email]> wrote:
> >
> > --- Erik Bruchez <[hidden email]> wrote:
> > > However I have found some bugs:
> > >
> > >
> >
> >
>
http://forge.objectweb.org/tracker/index.php?func=detail&aid=303897&group_id=168&atid=350207

> >
> > Those bugs have been fixed. Marc, you might want to try again now and
> > please let us know if you have notice anything unexpected.
> >
> > Alex
> >
> > --
> > Blog (XML, Web apps, Open Source): http://www.orbeon.com/blog/
> >
> >
> >
> >

> > --
> > You receive this message as a subscriber of the
> [hidden email] list.
> > To unsubscribe: mailto:[hidden email]
> > For general help: mailto:[hidden email]?subject=help
> > ObjectWeb mailing lists service home page:
> http://www.objectweb.org/wws
> >
> >
> >
> >
> --
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> mailing list.
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>

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Alessandro Vernet

Re: problems with repeat and case

Administrator

Hi Marc,

In order to be able to run your XForms code using a schema in the XForms
sandbox, you could put your schema on a publicly accessible web site and
reference it with src="http://..." in your XForms code.

We are aware of the help message positioning bug on IE. You can track this
at the URL below:

https://forge.objectweb.org/tracker/index.php?func=detail&aid=303978&group_id=168&atid=350207

Alex

--- Marc Natale <[hidden email]> wrote:

> Hi Alex,
> I've just made a mistake in the mail; but in my code, I have actually 2
> different "id" for the 2 nested repeats.
> I could send you my code if you want, but I've already tested it on your
>
> XForms sandbox example on orbeon.com <http://orbeon.com>, and it
> requires
> the schema my application uses (it's based on the bizdoc NG example...)
> and
> the "empty-instance"... so I cannot check everything...
> By the way, I said I had a problem with the xforms:help and the
> position of
> the message is displayed. I have tested the same pages with another
> navigator than IE6 (firefox), and it works quite well... It may help you
>
> solve this little problem or not...
> Regards,
> Marc
>
> On 24/08/05, Alessandro Vernet <[hidden email]> wrote:
> >
> > Hi Marc,
> >
> > I am not sure I completely understand the problem you are describing.
> > Could you send us some code that we can run locally in the XForms
> sandbox?
> >
> > In your pseudo-code, you are using the same id for the two nested
> repeats.
> > This is not valid and could create issues down the road. If you
> actually
> > have this in your code, you might want to change those ids and make
> sure
> > that each id is unique across the whole document.
> >
> > Alex
> >
> > --- Marc Natale <[hidden email]> wrote:
> >
> > > Hi,
> > > I've tried your last version. All bugs mentionned in
> > >
> >
> >
>

http://forge.objectweb.org/tracker/index.php?func=detail&aid=303897&group_id=168&atid=350207are

> > > solved (as far as I've tested...): thanks a lot! but there remain
> > > problems (maybe my fault?):
> > > I use this kind of code:
> > > <xforms:group ref="1">
> > >
> > > <xforms:repeat id="2">
> > >
> > > <xforms:repeat id="4">
> > > </xforms:repeat id="4">
> > >
> > > </xforms:repeat>
> > > <xforms:repeat id="3">
> > >
> > > <xforms:repeat id="4">
> > > </xforms:repeat id="4">
> > >
> > > </xforms:repeat>
> > >
> > > </xforms:group>
> > > with the appropriate triggers add/remove. My problem is due to a bad
> > > indexation: I start with 1 instance of each repeat.
> > > Then I want for example to create 3 instances of repeat id=2 and 1
> > > instances
> > > of repeat id=3. When I create the third instance of repeat id=2, the
> > > instance is well created, but the page is still trying to load
> > > something, so
> > > that I cannot do anything on the page...
> > > After many trials, I realized that the gap between the number of
> > > instance
> > > of the repeat 2 and the number of instance of the repeat 3 must not
> be
> > > superior to 1 if I want to create (or delete!) one of the
> instance... So
> > >
> > > it's a big problem...
> > > If anyone has understood this weird issue and has an idea of
> solution,
> > > please reply!
> > > Thanks,
> > > Marc
> > >
> > > On 22/08/05, Alessandro Vernet <[hidden email]> wrote:
> > > >
> > > > --- Erik Bruchez <[hidden email]> wrote:
> > > > > However I have found some bugs:
> > > > >
> > > > >
> > > >
> > > >
> > >
> >
> >
>

http://forge.objectweb.org/tracker/index.php?func=detail&aid=303897&group_id=168&atid=350207

> > > >
> > > > Those bugs have been fixed. Marc, you might want to try again now
> and
> > > > please let us know if you have notice anything unexpected.
> > > >
> > > > Alex
> > > >
> > > > --
> > > > Blog (XML, Web apps, Open Source): http://www.orbeon.com/blog/
> > > >
> > > >
> > > >
> > > >
> > > > --
> > > > You receive this message as a subscriber of the
> > > [hidden email] list.
> > > > To unsubscribe: mailto:[hidden email]
> > > > For general help: mailto:[hidden email]?subject=help
> > > > ObjectWeb mailing lists service home page:
> > > http://www.objectweb.org/wws
> > > >
> > > >
> > > >
> > > >
> > > --
> > > You receive this message as a subscriber of the
> [hidden email]
> > > mailing list.
> > > To unsubscribe: mailto:[hidden email]
> > > For general help: mailto:[hidden email]?subject=help
> > > ObjectWeb mailing lists service home page:
> http://www.objectweb.org/wws
> > >
> >
> >
> > --
> > Blog (XML, Web apps, Open Source): http://www.orbeon.com/blog/
> >
> >
> >
> >
> > --
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> >
> >
> >
> >
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