protected MenuTreeStorage::setParents(array &$fields, $parent, array $original)
Sets the materialized path field values based on the parent.
Parameters
array $fields: The menu link.
array|false $parent: The parent menu link.
array $original: The original menu link.
File
- core/lib/Drupal/Core/Menu/MenuTreeStorage.php, line 462
Class
- MenuTreeStorage
- Provides a menu tree storage using the database.
Namespace
Drupal\Core\Menu
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | protected function setParents(array &$fields, $parent, array $original) { // Directly fill parents for top-level links. if (empty($fields['parent'])) { $fields['p1'] = $fields['mlid']; for ($i = 2; $i <= $this->maxDepth(); $i++) { $fields["p$i"] = 0; } $fields['depth'] = 1; } // Otherwise, ensure that this link's depth is not beyond the maximum depth // and fill parents based on the parent link. else { // @todo We want to also check $original['has_children'] here, but that // will be 0 even if there are children if those are not enabled. // has_children is really just the rendering hint. So, we either need // to define another column (has_any_children), or do the extra query. if ($original) { $limit = $this->maxDepth() - $this->doFindChildrenRelativeDepth($original) - 1; } else { $limit = $this->maxDepth() - 1; } if ($parent['depth'] > $limit) { throw new PluginException("The link with ID {$fields['id']} or its children exceeded the maximum depth of {$this->maxDepth()}"); } $fields['depth'] = $parent['depth'] + 1; $i = 1; while ($i < $fields['depth']) { $p = 'p' . $i++; $fields[$p] = $parent[$p]; } $p = 'p' . $i++; // The parent (p1 - p9) corresponding to the depth always equals the mlid. $fields[$p] = $fields['mlid']; while ($i <= static::MAX_DEPTH) { $p = 'p' . $i++; $fields[$p] = 0; } }} |
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