Woops...pressed the send button by mistake.

Make your own decorator in /myapp/widget/CommonScreens.xml

create a main-decorator and a global decorator and use modify to your heart's 
content

----- Original Message ----
From: BJ Freeman <[EMAIL PROTECTED]>
To: dev@ofbiz.apache.org
Sent: Monday, December 17, 2007 5:33:01 PM
Subject: Re: mainDecoratorLocation was Include of controllers


so what is the approach that  works?


Chris Howe sent the following on 12/17/2007 3:26 PM:
> That's what I wasn't understanding.  Your approach fails with that
 problem.  The approach others have been using for the last two years does
 not.  I thought you were asserting that both approaches fail.
> 
> ----- Original Message ----
> From: BJ Freeman <[EMAIL PROTECTED]>
> To: dev@ofbiz.apache.org
> Sent: Monday, December 17, 2007 5:21:55 PM
> Subject: Re: mainDecoratorLocation was Include of controllers
> 
> 
> been through this umteem times.
> sigh
> this is not the case for ftl files only widgets.
> 
> I access a screen widget in x-app from my custom app.
> that screen has a decorator which eventually looks up
> mainDecoratorLocation to get the main-decorator
> 
> so we are back to defining the mainDecoratorLocation.
> I can only define one mainDecoratorLocation in my web.xml
> so if I call another screen widget in y-app the information for the
> x-app main-decorator will be passed causing other problems.
> 
> So there is no way a mainDecoratorLocation can be globally declared
 to
> use more than one application screen widgets from the custom app
> So there is no use for using the mainDecoratorLocation outside that
 app
> 
> 
> 
> Chris Howe sent the following on 12/17/2007 3:11 PM:
>> I'm not sure I understand what you mean by access multiple apps from
>  a custom app.  When you have a custom app, there is no notion that
>  included screens, called screens, included controllers, etc have a
 context
>  of ownership.  The custom app is simply locating snippets of xml.
>   Nothing more.  You can call snippets from one component or two or
 five, it
>  doesn't matter.  It only matters if you attempt to assert a context
 of
>  ownership; that calling a controller from the party controller has
 some
>  meaning about associated party variables or contexts.
>> ----- Original Message ----
>> From: BJ Freeman <[EMAIL PROTECTED]>
>> To: dev@ofbiz.apache.org
>> Sent: Monday, December 17, 2007 4:57:18 PM
>> Subject: Re: mainDecoratorLocation was Include of controllers
>>
>>
>> good point. #1
>> so I will not put this to sleep and do it for my releases until, as
>  you
>> say it become a problem
>>
>> However the use of mainDecoratorLocation  beyond an app should be
>> discourage for access multiple apps from a custom app as well.
>> the conflict of data in each main-decorator has specific app
>>  information.
>>
>>
>>
>>
>> Chris Howe sent the following on 12/17/2007 2:47 PM:
>>> Note: I'm not saying that prefixing the variable is a bad solution
>>  I'm just throwing out the downsides of it
>>> 1) The use case you present should not be encouraged.  The
>>  opportunity for conflicting requests/views between multiple
>  controllers will
>>  drive you bat crazy with unexpected results.  The intent of the
>  <include>
>>  element is to modularize commonly used requests/views.  Throwing
>>  everything in a bag and hoping you pull the expected result/view
 out
>  is kind
>>  of dangerous.  Absent a compelling use case, movement towards an
>>  external widely adopted standard, or utilizing more generic
>  practices it's
>>  difficult to overcome the backward compatibility issue.
>>> 2) if you were to address the backward compatibility issue by
 making
>>  the mainDecoratorLocation the default if
>  [prefix]-mainDeocratorLocation
>>  were null, I believe that you would be moving away from the Java
>>  Servlet spec by processing the context parameter.  I could
 certainly
>  be
>>  wrong.  I'm no expert on such things.
>>> ----- Original Message ----
>>> From: BJ Freeman <[EMAIL PROTECTED]>
>>> To: dev@ofbiz.apache.org
>>> Sent: Monday, December 17, 2007 4:27:19 PM
>>> Subject: Re: mainDecoratorLocation was Include of controllers
>>>
>>>
>>> It seems a lot of work for simple solution
>>> how about app-mainDecoratorLocation
>>> then if someone want to use their own decorator it will still work.
>>> they just define each app-mainDecoratorLocation  in their web.xml
>>> it either points to the original location or their customer
>>  decorator.
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
> 
> 
> 
> 
> 
> 
> 




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