topnav.py 文件源码

def block_top_navbar(self, context, nodes):
        search_models = []

        site_name = self.admin_site.name
        if self.global_search_models == None:
            models = self.admin_site._registry.keys()
        else:
            models = self.global_search_models

        for model in models:
            app_label = model._meta.app_label

            if self.has_model_perm(model, "view"):
                info = (app_label, model._meta.model_name)
                if getattr(self.admin_site._registry[model], 'search_fields', None):
                    try:
                        search_models.append({
                            'title': _('Search %s') % capfirst(model._meta.verbose_name_plural),
                            'url': reverse('xadmin:%s_%s_changelist' % info, current_app=site_name),
                            'model': model
                        })
                    except NoReverseMatch:
                        pass
        return nodes.append(loader.render_to_string('xadmin/blocks/comm.top.topnav.html', {'search_models': search_models, 'search_name': SEARCH_VAR}))