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https://issues.apache.org/jira/browse/OFBIZ-3373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12876020#action_12876020
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Scott Gray commented on OFBIZ-3373:
-----------------------------------

A few points:
- I'm little vague on how immutability works but keep in mind that the model is 
modified during construction only.  
- I wrote this patch before that discussion was had.
- I actually couldn't care less about how the functionality is implemented, it 
is the functionality itself that is important to me.
- This patch is just a draft of the functionality that I envisaged, people are 
free to do with it as they please.  The only thing I ask is that any changes to 
the actual plug-in behavior be discussed thoroughly.
- If the base model is never actually used because the factory always returns 
the injected version then to be honest I don't see what benefits are gained by 
not touching it directly.

> Adding menu merging feature
> ---------------------------
>
>                 Key: OFBIZ-3373
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-3373
>             Project: OFBiz
>          Issue Type: Wish
>          Components: framework
>            Reporter: Bruno Busco
>            Priority: Minor
>         Attachments: googlebase-inject.patch, injections.patch, links.jpg, 
> partymenu.JPG
>
>
> Hi devs,
> while discussing in the ML about modules and framework separation I thought 
> to this new feature that I would like to discuss here with you.
> We have now the possibility to extend a menu from one other. This is great in 
> order to have an high level of code reuse and great consistency all over 
> OFBiz.
> I was thinking to a sort of "merges-to" property for the menu widget.
> This would allow a new module to specify an already exixting menu name (in 
> the framework core or in a lower level module) that should be somewhat 
> changed by the actual menu.
> For instance, in the attached image partymenu.jpg there is a a tipical use of 
> this feature:
> in the party module there are lot of links that co to order application, 
> account etc. Those menu link could be used defining a simple menu (say it 
> partylinks_menu) in the party application that contains only party or 
> framework related links (i.e. profile); additional components like order or 
> accounting could define more menus that merges-to the partylinks_manu so that 
> when the menu is rendered IN THE PARTY APPLICATION the new menu items added 
> in the order and accounting applications are also rendered.
> This would allow us to dramatically reduce the component dependence and help 
> us to have the framework-only distribution.
> To eventually implement this I think there should be an entity that defines 
> such mergin menus and the menu rendered should lookup the entity to check if 
> one or more merges to the actually rendering menu is defined.
> I would appreciate to hear from you if this idea can help.

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