Drupal Answers Asked on December 31, 2021
Related question (my question is when contextual filters are NOT in the path): Generate menu links for a view with contextual filter and parameters in the path
In mymodule.links.menu.yml
I have defined a link:
MYMODULE.fruits-apple:
title: 'Apple'
route_name: view.fruit_list.page_apple
parent: MYMODULE.fruits
weight: 5
menu_name: fruits-navigation
The view page view.fruit_list.page_apple
has the path /fruits/apple
.
When on a page other than /fruits/apple
, the link appears in my menu and allows access to the view. When on the parent page (/fruits
), it appears expanded under the parent link in the menu. But, on /fruits/apple
, the link is not shown.
I checked the route with /devel/routes
and found this:
Route name: view.fruit_list.page_apple
Path: /fruits/apple/{arg_0}
I think the problem is that I am not setting {arg_0}
in mymodule.links.menu.yml
. I think this is the problem because I have links to views with routes that do not have {arg_0}
in them and they display properly.
{arg_0}
is a contextual filter for the User ID:
When the value is NOT in the URL: Provide default value (User ID from logged in user)
I am using the view path as /fruits/apple
, so I never explicitly set the user ID for the contextual filter; instead, I rely on Views to automatically pull in the value.
In this case, how can I set the route parameter {arg_0}
for my view so that the menu link appears properly on the view path?
I tried adding route_parameters: { arg_0: '' }
and route_parameters: { arg_0: 'NULL' }
, but that didn’t help.
MORE DEBUGGING
When I create a link in the menu UI to the path /fruits/apple
and then go the page /fruits/apple
, I see BOTH my menu UI link and my module-defined link. But if I disable or delete my menu UI link, then my module-defined link is not shown.
In the same way, I can create a menu link using the options in the Views UI, which also causes both my Views UI menu link + module-defined menu link to be displayed on /fruits/apple
. When I remove the Views UI link, the module-defined link is also no longer displayed.
If I delete the contextual filter on my view, then the module-defined link is also shown.
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