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RE: xforms:choose/if?

From: Jason Eacott <jeacott@hardlight.com.au>
Date: Fri, 1 Apr 2005 15:05:27 +0930
To: "John Boyer" <JBoyer@PureEdge.com>
Cc: www-forms@w3.org
Message-ID: <424D6337.26999.16508D7@localhost>

yep - sorry my bad.
	this wont work for a submission - but it will work for anything that an 
if statement will work in - which is quite a few things and I have seen this 
technique used to achieve this type of goal.




Date sent:      	Thu, 31 Mar 2005 16:46:26 -0800
From:           	"John Boyer" <JBoyer@PureEdge.com>
To:             	<jason@hardlight.com.au>, <ava@vaz.ru>
Copies to:      	<www-forms@w3.org>
Subject:        	RE: xforms:choose/if?
Forwarded by:   	www-forms@w3.org
Date forwarded: 	Fri, 01 Apr 2005 00:58:17 +0000

> 
> Please note: the methods suggested by this email does NOT work.
> The submission attribute is an IDREF, not an XPath expression.
> 
> So, submission="if(...)" categorically does not work.
> 
> And the xforms:when construct was a 'wanted' feature, not an
> available feature.
> 
> Cheers,
> John Boyer, Ph.D.
> Senior Product Architect and Research Scientist
> PureEdge Solutions Inc.
> 
> 
> -----Original Message-----
> From: www-forms-request@w3.org [mailto:www-forms-request@w3.org]On
> Behalf Of jason@hardlight.com.au
> Sent: Wednesday, March 30, 2005 8:48 PM
> To: ava@vaz.ru
> Cc: www-forms@w3.org
> Subject: Re: xforms:choose/if?
> 
> 
> 
> as I said in my previous email, 
> you can but you have to do it differently
> 
> instead of
>    <xforms:when test="instance('first_step')//count_result = 0">
>               <xforms:send submission="ws_1"/>
> 
> you need to try
>               <xforms:send submission="if(instance('first_step')//count_result 
> = 0 ),'ws_1',0)"/>
> <xforms:send submission="if(instance('first_step')//count_result != 
> 0 ),'ws_2',0)"/>
> 
> etc...
> 
> the syntax might not be quite right but if you do this you will optionally 
> select the thing you want done based on the test.
> 
> 
> 
> 
> Quoting Alexander Anokhin <ava@vaz.ru>:
> 
> > 
> > Alessandro Vernet wrote:
> > > Hi Alexander,
> > > 
> > > Could you clarify what you mean by "Now i need to do something (toggle
> > > some switch, send some data somewhere, etc..) depends on received
> > > number."?
> > > 
> > > You can compute the integer with a bind/calculate and store it in the
> > > instance.
> > 
> > My integer is an sql count(*) operation result from database, for
> > example and i can't compute it locally.
> > 
> >    Then if you want to display or hide something in the view based
> > > on that he can use a bind/relevant. But I am not sure this is what you are
> > > looking for.
> > 
> > I don't wand to show/hide something (with CSS & bind/relevant) but do
> > some action. The wanted feature like in XSLT:
> > 
> > <xforms:action ev:event="DOMActivate">
> >       <xforms:choose>
> >           <xforms:when test="instance('first_step')//count_result = 0">
> >               <xforms:send submission="ws_1"/>
> >           </xforms:when test="instance('first_step')//count_result = 1">
> >           <xforms:when test="instance('first_step')">
> >               <xforms:send submission="ws_2"/>
> >           </xforms:when>
> >           <xforms:otherwise">
> >               <xforms:toggle case="case3"/>
> >           </xforms:otherwise>
> >        </xforms:choose>
> > </xforms:action>
> > 
> >    Just let us know, so people on the list can elaborate
> > > further.
> > 
> > Thanx for answer anyway and sorry for my casual english.
> > 
> > 
> > > --- Alexander Anokhin <ava@vaz.ru> wrote:
> > > 
> > >>Hi, all...
> > >>Q: How can i achieve some kind of "choose/if" functionality in XForms?
> > >>The use case is:
> > >>1. User input some data and press "Proceed";
> > >>2. XForms send it to server (with replace="instance");
> > >>3. The answer is a some integer number;
> > >>4. Now i need to do something (toggle some switch, send some data 
> > >>somewhere, etc..) depends on received number.
> > >>
> > >>Is it possible?
> > 
> > -- 
> > Alexander Anokhin
> > AVTOVAZ JSC
> > email: ava@vaz.ru
> > icq: 123275798
> > 
> > 
> 
> 
> 
> 
> 
> 
Received on Friday, 1 April 2005 05:35:01 GMT

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