service entity_hierarchy.manager in Entity Reference Hierarchy 8

AdminSettingsForm::buildForm in src/Form/AdminSettingsForm.php

Form constructor.

entity_hierarchy_form_node_form_alter in ./entity_hierarchy.module

Implements Adds a vertical tab to the node form allowing a hierarchy parent to be selected or deleted. Here we're doing some permission checking, then presenting the form using the HierarchyManager class. We then use an #entity_builders callback…

entity_hierarchy_form_node_type_form_alter in ./entity_hierarchy.module

Implements Here we are altering the node type edit form to include hierarchy settings, such as setting which content types should support one or more child content types.

entity_hierarchy_node_insert in ./entity_hierarchy.module

Implements This function will be called whenever a new node is created. We will write the hierarchy information to the database if a parent is set on the node add form.

entity_hierarchy_node_prepare_form in ./entity_hierarchy.module

Implements We are loading the hierarchy parents for a given node id, and adding it to the node object for later processing in HierarchyManagerInterface::addHierarchyFormElement, which is called in entity_hierarchy_form_node_form_alter().

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