W3C home > Mailing lists > Public > www-forms@w3.org > May 2008

Re: Recursive tree display in a select1 or repeat

From: Erik Bruchez <ebruchez@orbeon.com>
Date: Fri, 30 May 2008 16:21:56 +0200
Message-Id: <0F0EEB50-DCE8-4BE5-A101-5CD3303C6ACD@orbeon.com>
To: www-forms@w3.org

Andy, that's exactly what we have in our implementation (Orbeon  
Forms) ;-)

Maybe it is time to standardize this.

-Erik

On May 30, 2008, at 3:28 PM, Andy Bailey wrote:

>
> Thanks for the suggestion, I had thought of that but I would have to
> assume the maximum number of levels and write that number of nested
> repeats.
>
> However, the data structure could have any number of levels. Also the
> properties of the control for a leaf node are different from a branch
> node, so it would make things kind complicated.
>
> Is there no way to make the controls recursively. With xslt it would  
> be
> very easy, but I dont really want to mix client side xslt and xforms.
>
> A select1 appearance="tree" would be very nice in the next version of
> xforms!
>
> Thanks
>
> Andy Bailey
>
> On Thu, 2008-05-29 at 06:33 -0700, T. V. Raman wrote:
>> try nested repeats?
>>
>> Mikko had prototyped his tree control in x-smiles by using that
>> as a basis.
>>
>>>>>>> "Andy" == Andy Bailey writes:
>>    Andy> I sent a message to mozilla.dev.tech.xforms and someone
>>    Andy> suggested that I post the message to this group- so
>>    Andy> here goes:
>>    Andy>
>>    Andy> I have a recursive data structure (see below), with any
>>    Andy> number of levels and would like to display it in a
>>    Andy> select1 the closest I can get so far is a flat select1
>>    Andy> using //path however it would be nice to group the
>>    Andy> options together.
>>    Andy>
>>    Andy>
>>    Andy> Ideally I would like a tree structure where I could
>>    Andy> expand/hide the child elements as well as select1
>>    Andy> something like appearance="tree"
>>    Andy>
>>    Andy>
>>    Andy> I see that you can write custom controls in firefox
>>    Andy> with xul or xbl but have no experience with either and
>>    Andy> also would like a standard xform solution. I thought of
>>    Andy> using repeats as well but cant see any way to have any
>>    Andy> number of levels.
>>    Andy>
>>    Andy>
>>    Andy> If I used repeats how could I get the expand/hide
>>    Andy> functionality?
>>    Andy>
>>    Andy>
>>    Andy> In the repeat example I had to use index('part1')" in
>>    Andy> <xf:setvalue bind="selectedpart"
>>    Andy> value="index('part1')"/> "name" didnt work and if I put
>>    Andy> value="name(.)" the selected part became the string
>>    Andy> "selectedpart" can anyone explain why that is? I
>>    Andy> assumed it would be the node of the repeat.
>>    Andy>
>>    Andy>
>>    Andy> Also if I clicked with the mouse on the select1 each
>>    Andy> time the model got updated but if I used the arrow keys
>>    Andy> up/down then the model didnt get update even though
>>    Andy> incremental="true", is this a bug in firefox or
>>    Andy> expected behavior in xforms?
>>    Andy>
>>    Andy>
>>    Andy>
>>    Andy> Thanks in advance
>>    Andy>
>>    Andy>
>>    Andy> Andy Bailey http://www.hazlorealidad.com
>>    Andy>
>>    Andy>
>>    Andy> <assembly> <name>Open source CNC Machine</name> <parts>
>>    Andy> <part id="structure"> <name>Estructura</name> <parts>
>>    Andy> <part id="base"> <name>Base</name> <parts> <part
>>    Andy> id="baseStructure"> <name>Estructura</name> </part>
>>    Andy> <part id="feet"> <name>Pies</name> </part> <part
>>    Andy> id="antiVibration"> <name>Aisladores (anti
>>    Andy> vibración)</name> </part> </parts> </part> ....
>>    Andy>
>>    Andy>  <xf:select1 bind="selectedpart" appearance="full"
>>    Andy> incremental="true"> <xf:label>Part Tree: </xf:label>
>>    Andy> <xf:itemset nodeset="instance('assembly')//part">
>>    Andy> <xf:label ref="name"/> <xf:value ref="@id"/>
>>    Andy> </xf:itemset> </xf:select1>
>>    Andy>
>>    Andy>
>>    Andy> <!-- <xf:repeat id="part1"
>>    Andy> nodeset="instance('assembly')/parts/part"> <div
>>    Andy> style="margin-left:0em;"> <xf:trigger ref=".">
>>    Andy> <xf:label> <xf:output ref="name"/> </xf:label>
>>    Andy> <xf:action ev:event="DOMActivate"> <xf:setvalue
>>    Andy> bind="selectedpart" value="index('part1')"/>
>>    Andy> <xf:message level="modal">Part Selected <xf:output
>>    Andy> ref="name"/></ xf:message> </xf:action>
>>    Andy>
>>    Andy>
>>    Andy> </xf:trigger> <xf:repeat id="part2"
>>    Andy> nodeset="parts/part"> <div style="margin-left:2em;">
>>    Andy> <xf:trigger ref="."> <xf:label> <xf:output ref="name"/>
>>    Andy> </xf:label> </xf:trigger> <xf:repeat
>>    Andy> nodeset="parts/part"> <div style="margin-left:2em;">
>>    Andy> <xf:trigger ref="."> <xf:label> <xf:output ref="name"/>
>>    Andy> </xf:label> </xf:trigger> </div> </xf:repeat> </div>
>>    Andy> </xf:repeat> </div> </xf:repeat>
>>    -->
>>    Andy>
>>
>> --
>> Best Regards,
>> --raman
>>
>>
>> Email:  raman@users.sf.net
>> WWW:    http://emacspeak.sf.net/raman/
>> AIM:    emacspeak       GTalk: tv.raman.tv@gmail.com
>> PGP:    http://emacspeak.sf.net/raman/raman-almaden.asc
>> Google: tv+raman
>> IRC:    irc://irc.freenode.net/#emacs
>
>
>

--
Orbeon Forms - Web Forms for the Enterprise Done the Right Way
http://www.orbeon.com/
Received on Friday, 30 May 2008 14:22:41 GMT

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