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Multiple child in cascading param group [message #722791] Tue, 06 September 2011 17:49 Go to next message
nagraj  is currently offline nagraj
Messages: 2
Registered: September 2011
Junior Member
Hi

I'm trying to create a cascade param group with 3 widgets (let's say A,B and C). A is a list drop-down. B and C are multi-value list-boxes.

What I wanted was on change of A, I want to cascade it to B and C both at the same time.

Currently I'm able to attain the widgets and the values properly. But the only issue is with the hierarchy. The Cascade param group probably takes C as a child of B instead of A. Thus C is updated only when there's any change on B.

Is it the behavior implemented purposefully? Is there any solution or a work-around to attain the above?

Please let me know if I need to explain more.

N
Re: Multiple child in cascading param group [message #722807 is a reply to message #722791] Tue, 06 September 2011 18:13 Go to previous messageGo to next message
Jason Weathersby is currently offline Jason Weathersby
Messages: 9167
Registered: July 2009
Senior Member

That is the way it currently works. I do not know of a work around
aside from creating your own parameter page.

Jason

On 9/6/2011 1:49 PM, nagraj wrote:
> Hi
>
> I'm trying to create a cascade param group with 3 widgets (let's say A,B
> and C). A is a list drop-down. B and C are multi-value list-boxes.
> What I wanted was on change of A, I want to cascade it to B and C both
> at the same time.
> Currently I'm able to attain the widgets and the values properly. But
> the only issue is with the hierarchy. The Cascade param group probably
> takes C as a child of B instead of A. Thus C is updated only when
> there's any change on B.
> Is it the behavior implemented purposefully? Is there any solution or a
> work-around to attain the above?
>
> Please let me know if I need to explain more.
> N
Re: Multiple child in cascading param group [message #722812 is a reply to message #722807] Tue, 06 September 2011 19:04 Go to previous messageGo to next message
nagraj  is currently offline nagraj
Messages: 2
Registered: September 2011
Junior Member
Thanks a lot Jason. Also out of curiosity, is there any way of achieving this through extending the event handlers in this case? If yes, would still like to know your recommendation on this.

N
Re: Multiple child in cascading param group [message #722824 is a reply to message #722812] Tue, 06 September 2011 19:39 Go to previous message
Jason Weathersby is currently offline Jason Weathersby
Messages: 9167
Registered: July 2009
Senior Member

Not that I know of. One way may be to modify the AJAX js files that
update the parameter boxes. I believe each level is updated using the
__refresh_cascade_select script function in BirtParameterDialog.js file.
You can use firebug or just simple alerts in this file to see when the
lists are getting updated.

Jason

On 9/6/2011 3:04 PM, nagraj wrote:
> Thanks a lot Jason. Also out of curiosity, is there any way of achieving
> this through extending the event handlers in this case? If yes, would
> still like to know your recommendation on this.
>
> N
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