[Grok-dev] Viewlets for Layout--Ok I get it

[rmoskal]

I took a closer look at the Grokstar appplication and now see how to
accomplish what I need to do.

The trick (or one trick) is that you need to declare a few top level views
that use the layout template file.  So in the application module you have:

class Edit(grok.View):
    grok.context(Interface)
    grok.template('layout')
    
class Index(grok.View):
    grok.context(Interface)
    grok.template('layout')
    
class Add(grok.View):
    grok.context(Interface)
    grok.template('layout')

Then in the viewlet that wraps the appropriate form for the domain object
you reference the appropriate global view:


class TitleEdit(grok.Viewlet):
    grok.context(Title)
    grok.viewletmanager(Main)
    grok.view(Edit)

    
    def update(self):
        self.form = getMultiAdapter((self.context, self.request),
                                    name='editform')
        self.form.update_form()

    def render(self):
        return self.form.render()

I was finally able to understand this by looking at Grokstar.  My little
soliloquy helped me.  I hope this tidbit helps someone else.  I hope I
haven't annoyed the folks on the mailing list.


Regards,

Robert
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