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From <baskar.gan...@wipro.com>
Subject Problem with fd:group and fd:struct
Date Mon, 12 Sep 2005 10:19:25 GMT

Hi all,



Can anyone help me out in using fd:group instead of fd:struct?



While using fd:group I am getting the following exception :-



org.apache.avalon.framework.CascadingException: Unknown kind of widget
'group'



Does any namespace needs to be declared on fd:form?



Basicaly I want to know what is the difference in using fd:struct and
fd:group.

If fd:struct and fd:group are conceptually same then I think I can
struct itself.



Moreover While using fd:struct I am facing the following problem:-



I want to use onchange event on flow script.

I am giving like



wid.lookupWidget('description_u/visible/description').onChange =
function (oldValue, newValue) {

  wid.lookupWidget('description_c').setValue('visible');

    print("oldValue is " + oldValue);

    print("newValue is " + newValue);

  };



But it is not at all getting fired.

Please refer below for the definition file details.





Thanks and regards,

Baskar



-----Original Message-----

From: Baskar Ganesh (WT01 - Technology,Media,Transportation&Services)

Sent: Friday, September 09, 2005 7:34 PM

To: 'users@cocoon.apache.org'

Subject: RE: Accessing the union type widget value



Thanks Jason. I can able to access the widget now...



-----Original Message-----

From: Jason Johnston [mailto:cocoon@lojjic.net]

Sent: Friday, September 09, 2005 7:14 PM

To: users@cocoon.apache.org

Subject: Re: Accessing the union type widget value



baskar.ganesh@wipro.com wrote:

> Hi all,

>

> 

>

> Can anyone tell me how can we access the union widget from the
flowscript?

>

> I have created a definition file as follows:-

>

> 

>

> <fd:form xmlns="http://apache.org/cocoon/forms/1.0#definition"

>       xmlns:i18n="http://apache.org/cocoon/i18n/2.1"

>       xmlns:fd="http://apache.org/cocoon/forms/1.0#definition">

>     

>   <fd:widgets>

> 

>     <!-- case widget, with _c suffix -->

>     <fd:field id="student" required="true">

>       <fd:datatype base="string" />

>     </fd:field>

>   

>     <fd:union id="structStudent" case="student">

>       <fd:widgets>

>         <fd:struct id="firstname">

>           <fd:widgets>

>             <fd:field id="name">

>               <fd:datatype base="string" />

>             </fd:field>

>           </fd:widgets>

>         </fd:struct>

>         <fd:struct id="lastname">

>           <fd:widgets>

>

> </fd:widgets>

>         </fd:struct>  

>

>    </fd:widgets>

>     </fd:union>

>  

>   </fd:widgets>

> </fd:form>

>

> 

>

> The form is getting rendered correctly by giving the following code

>

> 

>

> var wid = frmView.getWidget();

>

> wid.lookupWidget(student').setValue('firstname')

>

> 

>

> It is displaying me a text box but if I want to access the firstname

> how will I access?

>

> I tried accessing wid.lookupWidget(student').firstname which it is

> telling undefined.

>

> Can any one please  help me out in accessing the widget inside a
structure.



Try:



wid.lookupWidget("structStudent/firstname/name").getValue();



The argument to lookupWidget is an path-like string that allows you to
navigate the widget tree... you can use ".." to go up a level, etc.





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