function MenuParentFormSelector::getParentDepthLimit

Same name in other branches
  1. 9 core/lib/Drupal/Core/Menu/MenuParentFormSelector.php \Drupal\Core\Menu\MenuParentFormSelector::getParentDepthLimit()
  2. 8.9.x core/lib/Drupal/Core/Menu/MenuParentFormSelector.php \Drupal\Core\Menu\MenuParentFormSelector::getParentDepthLimit()
  3. 10 core/lib/Drupal/Core/Menu/MenuParentFormSelector.php \Drupal\Core\Menu\MenuParentFormSelector::getParentDepthLimit()

Returns the maximum depth of the possible parents of the menu link.

Parameters

string $id: The menu link plugin ID or an empty value for a new link.

Return value

int The depth related to the depth of the given menu link.

1 call to MenuParentFormSelector::getParentDepthLimit()
MenuParentFormSelector::getParentSelectOptions in core/lib/Drupal/Core/Menu/MenuParentFormSelector.php
Gets the options for a select element to choose a menu and parent.

File

core/lib/Drupal/Core/Menu/MenuParentFormSelector.php, line 113

Class

MenuParentFormSelector
Default implementation of the menu parent form selector service.

Namespace

Drupal\Core\Menu

Code

protected function getParentDepthLimit($id) {
    if ($id) {
        $limit = $this->menuLinkTree
            ->maxDepth() - $this->menuLinkTree
            ->getSubtreeHeight($id);
    }
    else {
        $limit = $this->menuLinkTree
            ->maxDepth() - 1;
    }
    return $limit;
}

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