xforms:select1 selection change event

Hi everybody,

I'm looking for a way to capture the event that the selection of the
xforms:select1 control was changed by the user.
So that upon making a selection in the tree I can set the focus to a
different control. (Example Code below).

   <xhtml:head>
      <xforms:model>
      <!-- MAIN-INSTANCE, holds all needed form elements -->
      <xforms:instance id="main-instance">
        <form>
          <tree/>
        </form>
      </xforms:instance>
     </xforms:model>
  </xhtml:head>
  <xhtml:body>
    <xforms:select1 ref="tree" appearance="xxforms:tree">
      <xforms:label>Gender:</xforms:label>
      <xforms:item>
        <xforms:label>Male</xforms:label><xforms:value>M</xforms:value>
      </xforms:item>
      <xforms:item>
        <xforms:label>Female</xforms:label><xforms:value>F</xforms:value>
      </xforms:item>
    </xforms:select1>
    <xforms:input ref="tree"/>
  </xhtml:body>
</xhtml:html>

The input control is already updated with the correct values, I just
need a way to set the focus to it (and preferably select the complete
content), so that starting to type will overwrite the value in the input
box.
Any ideas?


kind regards

Rene


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Rene Single wrote:
> I'm looking for a way to capture the event that the selection of the
> xforms:select1 control was changed by the user.
> So that upon making a selection in the tree I can set the focus to a
> different control. (Example Code below).
Rene,

I use the setfocus element, triggered by the DOMActivate event. I
haven't seen anything that would select the content, though.

-Jim



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Jim Logan wrote:
>
> I use the setfocus element, triggered by the DOMActivate event. I
> haven't seen anything that would select the content, though.
>
Jim,

Can you give some example code of how you use the setfocus Element,
because I tried this and I couldn't get it to set the focus.

Example Code below again.

<xhtml:html xmlns:xhtml="http://www.w3.org/1999/xhtml"
xmlns:xxforms="http://orbeon.org/oxf/xml/xforms"
xmlns:xforms="http://www.w3.org/2002/xforms"
xmlns:ev="http://www.w3.org/2001/xml-events"
xmlns:xi="http://www.w3.org/2001/XInclude"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xsl:version="2.0">  
   <xhtml:head>
       <xforms:model>
          <!-- MAIN-INSTANCE, holds all needed form elements -->
          <xforms:instance id="main-instance">
                <form>
           <tree/>
                </form>
            </xforms:instance>
        </xforms:model>
    </xhtml:head>
    <xhtml:body>
      <xforms:select1 ref="tree" appearance="xxforms:tree">
        <xforms:label>Gender:</xforms:label>
        <xforms:item>
          <xforms:label>Male</xforms:label><xforms:value>M</xforms:value>
        </xforms:item>
        <xforms:item>
          <xforms:label>Female</xforms:label><xforms:value>F</xforms:value>
        </xforms:item>
         <xforms:action ev:event="DOMActivate">
            <xforms:setfocus control="in"/>
         </xforms:action>
      </xforms:select1>
      <!-- edit here-->
            <xforms:input ref="tree" id="in"/>
    </xhtml:body>
</xhtml:html>

Any Idea what I'm missing here ?

Thanks

Rene


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Rene Single wrote: why "DOMActivate" won't work within a select1.

-Jim



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Jim Logan schrieb:
Works like a charm !

Rene



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>> Can you give some example code of how you use the setfocus Element,  
>> because I tried this and I couldn't get it to set the focus.
> If you change the event to "xforms-value-changed" it works. I don't  
> know why "DOMActivate" won't work within a select1.

The question is, really, what do you expect should trigger DOMActivate  
in a tree? Activation is loosely defined in DOM:

http://www.w3.org/TR/2007/WD-DOM-Level-3-Events-20071221/events.html#Events-flow-activation

Orbeon Forms uses DOMActivate:

* When the user "activates" a trigger
* When the user presses the enter/return key in an input field

Other than that, I am not sure we use it.

-Erik

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Erik Bruchez wrote:
>>> Can you give some example code of how you use the setfocus Element,
>>> because I tried this and I couldn't get it to set the focus.
>> If you change the event to "xforms-value-changed" it works. I don't
>> know why "DOMActivate" won't work within a select1.
>
> The question is, really, what do you expect should trigger DOMActivate
> in a tree?
Well, I expected the clicking of something in the tree to trigger
DOMActivate.
> Activation is loosely defined in DOM:
>
> http://www.w3.org/TR/2007/WD-DOM-Level-3-Events-20071221/events.html#Events-flow-activation 
>
One relevant quote from that link is, "Implementations dispatch the
DOMActivate event as default action of a click event." Therefore, I
would think that clicking something in a tree should trigger DOMActivate.

-Jim



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>> The question is, really, what do you expect should trigger  
>> DOMActivate in a tree?
> Well, I expected the clicking of something in the tree to trigger  
> DOMActivate.

Would you want this to happen only if something changes in the tree?  
E.g. selecting a new branch / checkbox? Does the value

>> Activation is loosely defined in DOM:
>>
>> http://www.w3.org/TR/2007/WD-DOM-Level-3-Events-20071221/events.html#Events-flow-activation
> One relevant quote from that link is, "Implementations dispatch the  
> DOMActivate event as default action of a click event." Therefore, I  
> would think that clicking something in a tree should trigger  
> DOMActivate.


It also says that "This section is currently being rewritten." ;-) So  
it seems that this is a fuzzy area.

If DOMActivate == click, then we don't really DOMActivate but just  
click. The answer seems to be here that a click is not the only way of  
activating something. E.g. you can press "enter" on a link, or "space"  
on a button, and that also activates the item. This is pretty clear  
for links and buttons. It also seemed reasonable to use DOMActivate  
for an input field upon "enter", although one could argue against that  
as well (but this is in XForms 1.1: "An example was added to show the  
use of a DOMActivate handler on an input to automatically initiate a  
submission once a user enters and commits input, such as a search  
query.").

What XForms 1.1 says as well, is that this is "Dispatched in response  
to: the "default action request" for a core  form control, for  
instance pressing a button or hitting enter."

Now for other controls, it is less clear. What does it mean to  
"activate a tree" was my initial question. I am not sure we have a  
very good answer yet.

-Erik

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Dear Erik

Not able to use .equals function in if condition

Regards
surendran



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More details, please.

-Erik

On Aug 16, 2008, at 3:53 AM, Surendran M wrote:
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