Help with xforms:insert

Hi All,

I've been looking at this for hours trying various different things and can't figure out why the <xf:insert if="...> statements are not working in the attached form.
In the select1 control I have this action block

<xf:action ev:event="xforms-value-changed">
 <xf:delete if="../@choice='Windows'" nodeset="../../../Disk/*" />
 <xf:insert if="../@choice='Windows'" nodeset="../../../Disk/*" origin="instance('onchoice-windows')"/>
 <xf:delete if="../@choice='Linux'" nodeset="../../../Disk/*" />
 <xf:insert if="../@choice='Linux'" nodeset="../../../Disk/*" origin="instance('onchoice-linux')"/>
</xf:action>

whose intention is to set the disk partition configuration based on the choice of OS (Windows or Linux).  One can observe that the <xf:delete> statements work fine because the partitions disappear as soon as an OS is selected, but the inserts don't have any effect!

I've stripped the form down to the bare minimum for clarity so that it can be run in the xforms sandbox.

Is there some mistake on my part or is this an Orbeon Forms bug?   Any help is greatly appreciated.

Larry T. Chen
Intelenet Communications, Inc.

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Alessandro Vernet wrote

Larry,

I modified your document, and it looks to me like the delete/insert
are now doing what they are expected to do. The handler for
xforms-value-changed now looks like:

<xf:action ev:event="xforms-value-changed">
    <xf:delete nodeset="/Managed_Server/Disk/*" />
    <xf:action if=". = 'Windows'">
        <xf:insert context="/Managed_Server/Disk"
origin="instance('onchoice-windows')"/>
    </xf:action>
    <xf:action if=". = 'Linux'">
        <xf:insert context="/Managed_Server/Disk"
origin="instance('onchoice-linux')"/>
    </xf:action>
</xf:action>

I replaced the ../../ with absolute paths. Using paths with .. will
work, but gets me confused :). The main problem was that you were
first deleting the Disk_Volume elements, and then inserting relative
to those elements. Since they don't exist anymore, the insertion does
not happen. Note how the modified code uses "context" pointing to the
container element rather than "nodeset".

Alex

On 4/9/07, Larry T. Chen <larryc@intelenet.net> wrote:
> Hi All,
>
> I've been looking at this for hours trying various different things and
> can't figure out why the <xf:insert if="...> statements are not working
> in the attached form.
> In the select1 control I have this action block
>
> <xf:action ev:event="xforms-value-changed">
>   <xf:delete if="../@choice='Windows'" nodeset="../../../Disk/*" />
>   <xf:insert if="../@choice='Windows'" nodeset="../../../Disk/*"
> origin="instance('onchoice-windows')"/>
>   <xf:delete if="../@choice='Linux'" nodeset="../../../Disk/*" />
>   <xf:insert if="../@choice='Linux'" nodeset="../../../Disk/*"
> origin="instance('onchoice-linux')"/>
> </xf:action>
>
> whose intention is to set the disk partition configuration based on the
> choice of OS (Windows or Linux).  One can observe that the <xf:delete>
> statements work fine because the partitions disappear as soon as an OS
> is selected, but the inserts don't have any effect!
>
> I've stripped the form down to the bare minimum for clarity so that it
> can be run in the xforms sandbox.
>
> Is there some mistake on my part or is this an Orbeon Forms bug?   Any
> help is greatly appreciated.
>
> Larry T. Chen
> Intelenet Communications, Inc.
>
>
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>
>


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Erik Bruchez wrote

Sometimes this happens when your form loads a schema or other external  
resource, but the URL is incorrect so instead of getting an XML schema  
you get an (X)HTML page.

Is it possible that this is happening in your case?

-Erik

On Feb 20, 2008, at 3:33 PM, Alessandro Vernet wrote:

> On Feb 19, 2008, at 2:35 PM, someperson wrote:
>
>> I tried to run this sample, because I have trouble trying to run my  
>> own
>> xforms:insert construct.
>>
>> The sandbox says "element html' not allowed here.
>
>
> Could you attach the file you have been uploading to the XForms  
> sandbox?
>
> Alex
> --
> Orbeon Forms - Web 2.0 Forms, open-source, for the Enterprise
> Orbeon's Blog: http://www.orbeon.com/blog/
> Personal Blog: http://avernet.blogspot.com/

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