Feature Request: Grails controller/view namespace suppport

Add support for better handling of namespaces in controllers.

Not sure how this would be handled since the layout is up to the user but given the following example structure:

grails-app/
controllers/
com.somepackage.controllers.somenamespace/
IndexController.groovy = {
static namespace = 'somenamespace'
def afterInterceptor = { model, modelAndView ->
if(modelAndView) {
modelAndView.viewName = "/${namespace}/${modelAndView.viewName}"
}
}
def index() { }
}
views/
somenamspace/
index/
index.gsp

Nice to have features:

- View model variable resolution from action.
- Creating controller would create the path example below.
- Open corresponding view from controller.
- Open corresponding controller from view.
- Refactoring/Renaming of controllers does not corrupt view structure.

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*Imported from [IDEA-126363](https://youtrack.jetbrains.com/issue/IDEA-126363) · Type: Feature · Votes: 1*
*Comments, attachments, dates and reporter are not part of the export — follow the link above for the full history.*

Start with the example paths under grails-app/controllers and views, especially IndexController.groovy and views/somenamspace/index/index.gsp. Determine how controller namespaces map to views and how the listed navigation, creation, model resolution, and renaming requests should be scoped. Done means the agreed namespace behavior and selected IDE integrations work without corrupting the controller/view structure.

Written by the indexing model from the issue text.