Why does Blog become current_page_parent with Custom Post Type?

Piet, I am having the same problem, I’ve read a lot about fixes but I haven’t quite figured it out. Could someone please give us some insight? Any help will be greatly appreciated! Thanks!

Hi Brandwall, as you can see from the amount of comments on this thread I haven’t really gotten any feedback on this.

I found that the only possible way to do it, is to enable the archive.

Then I completely redid the CSS for my nav-menu and eventually I got it to work.

Sorry that I can’t give you anymore useful advice, the problem lies mostly in the CSS.

ok Thanks so much for responding. I think I just found a fix for it by putting this code into the functions.php and changing afew items. For my case I have two custom post types ‘motion’ ‘still’.

here is some code I found…

// As of WP 3.1.1 addition of classes for css styling to parents of custom post types doesn't exist.
// We want the correct classes added to the correct custom post type parent in the wp-nav-menu for css styling and highlighting, so we're modifying each individually...
// The id of each link is required for each one you want to modify
// Place this in your WordPress functions.php file

function remove_parent_classes($class)
{
  // check for current page classes, return false if they exist.
	return ($class == 'current_page_item' || $class == 'current_page_parent' || $class == 'current_page_ancestor'  || $class == 'current-menu-item') ? FALSE : TRUE;
}

function add_class_to_wp_nav_menu($classes)
{
     switch (get_post_type())
     {
     	case 'motion':
     		// we're viewing a custom post type, so remove the 'current_page_xxx and current-menu-item' from all menu items.
     		$classes = array_filter($classes, "remove_parent_classes");

     		// add the current page class to a specific menu item (replace ###).
     		if (in_array('menu-item-592', $classes))
     		{
     		   $classes[] = 'current_page_parent';
         }
     		break;

     	case 'still':
     		// we're viewing a custom post type, so remove the 'current_page_xxx and current-menu-item' from all menu items.
     		$classes = array_filter($classes, "remove_parent_classes");

     		// add the current page class to a specific menu item (replace ###).
     		if (in_array('menu-item-348', $classes))
     		{
     		   $classes[] = 'current_page_parent';
               }
     		break;

      // add more cases if necessary and/or a default
     }
	return $classes;
}
add_filter('nav_menu_css_class', 'add_class_to_wp_nav_menu');

That looks great brandwall, thanks so much!

Very helpful – solved the problem. Thanks!

Thank you, thank you, thank you :D. Worked a treat!

Thanks a lot… I have had this problem for 5 days and you solved it in few seconds.
See you.