Re: Passing values between elements

I have a similar requirement, but how do you distingluish between the  
"accept" action and the "refresh 2nd pupup" action on submit.
since you trigger the accept on the 1st popups change




On Mar 29, 2006, at 6:50 AM, Jerry W. Walker wrote:

> Hi, Siegfried,
>
> I did something similar in an application a while back. Translating  
> the problem domain for that application to your two button names: I  
> created my page with the Location pop-up's list attribute bound to  
> the initialized array of locations. I bound the Building pop-up's  
> list attribute to an empty array. I also added the onChange  
> attribute to the Location button:
>
>     onChange = "javascript:this.form.target='_parent';  
> this.form.submit()"
>
> The action method for the form submission used the Location's  
> selection attribute value in an EOQualifier which I used to fetch  
> the values for the Building's array for that location. The action  
> method, of course, returned context().page() to display the same  
> page again, but with the Building's pop up filled in.
>
> By adding the "onChange" attribute to the Location's pop-up, you  
> save the user having to click a button after selecting the  
> location. The page still has to refresh, but it feels a bit more  
> convenient having the page refresh automatically upon selecting a  
> Location.
>
> For a smoother approach without page refresh, you would have to  
> move to Ajax or download the complete Buildings array initially to  
> some JavaScript variable and play some games with JavaScript to  
> filter the ones you want based on the Location selection.
>
> Regards,
> Jerry
>
> On Mar 29, 2006, at 6:46 AM, Siegfried Makedanz wrote:
>
>> Hello,
>>
>> I have two dynamic elements (WOPopUpButton) named Locations and  
>> Buildings. Now I would like to set the list binding in the  
>> Buildings array based on the selection in Locations. Probably an  
>> easy one, but as a sporadic WO user I have no clue yet.
>>
>> Thanks,
>> Siegfried
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>
> --
> __ Jerry W. Walker,
>    WebObjects Developer/Instructor for High Performance Industrial  
> Strength Internet Enabled Systems
>
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