[xwiki-devs] Determine the sheet on create

Hi devs, I'm working on a sheet management module (see https://github.com/xwiki/xwiki-platform/compare/feature-sheets ) and I have an issue. My component returns the list of sheets "registered" for a document or a class. The component methods take document references as input. The consequence is that my component always "queries" the saved document (taken from the database/cache). I have modified the edit.vm template to check if there is a sheet available for the current document. It works great with one exception: when you create a document (e.g. when you create a blog post). The problem is this: although the information required to detect the sheet is present on the current/context document (e.g. it has an object of type BlogPostClass) my component fails to access this information because the document wasn't saved, it doesn't even exist. The reason I used document references on my component interface is obvious: I didn't want to depend on the core (at least not the interface, because the implementation does right now). The solution to keep the current component interface is to explicitly specify the sheet on the edit URL (only) for the create form. For instance, replace: /edit/Blog/MyNewBlogPost?template=Blog.BlogPostTemplate with: /edit/Blog/MyNewBlogPost?template=Blog.BlogPostTemplate&sheet=Blog.BlogPostSheet but I think it's a bit too much to ask from the application developers. Another solution, suggested by Thomas Mortagne, is to: * change the component interface to use DocumentModelBridge (which is implemented by XWikiDocument) instead of DocumentReference (=> keep the interface independent of old core) * change the script service to use api.Document instead of DocumentReference, and to extract the XWikiDocument from it through reflection, to avoid programming rights issues. It's not a clean solution but it is better from the application developers' point of view. WDYT? Any alternatives? Thanks, Marius