danielebarchiesi@4: <?php
danielebarchiesi@4: /**
danielebarchiesi@4:  * @file
danielebarchiesi@4:  * Bundle Inherit module install file.
danielebarchiesi@4:  */
danielebarchiesi@4: 
danielebarchiesi@4: /**
danielebarchiesi@4:  * Implements hook_schema().
danielebarchiesi@4:  */
danielebarchiesi@4: function bundle_inherit_schema() {
danielebarchiesi@4:   $schema['bundle_hierarchy'] = array(
danielebarchiesi@4:     'description' => 'Holds info about hierarchy relations between entity types.',
danielebarchiesi@4:     'fields' => array(
danielebarchiesi@4:       'entity_type' => array(
danielebarchiesi@4:         'description' => 'The entity type of the bundles.',
danielebarchiesi@4:         'type' => 'varchar',
danielebarchiesi@4:         'length' => '255',
danielebarchiesi@4:         'not null' => TRUE,
danielebarchiesi@4:       ),
danielebarchiesi@4:       'bundle' => array(
danielebarchiesi@4:         'description' => 'Child bundle name.',
danielebarchiesi@4:         'type' => 'varchar',
danielebarchiesi@4:         'length' => '255',
danielebarchiesi@4:         'not null' => TRUE,
danielebarchiesi@4:       ),
danielebarchiesi@4:       'bundle_parent' => array(
danielebarchiesi@4:         'description' => 'Parent bundle name.',
danielebarchiesi@4:         'type' => 'varchar',
danielebarchiesi@4:         'length' => '255',
danielebarchiesi@4:         'not null' => TRUE,
danielebarchiesi@4:       ),
danielebarchiesi@4:     ),
danielebarchiesi@4:     'primary key' => array('entity_type', 'bundle'),
danielebarchiesi@4:     'indexes' => array(
danielebarchiesi@4:       'parent' => array('entity_type', 'bundle_parent'),
danielebarchiesi@4:     ),
danielebarchiesi@4:   );
danielebarchiesi@4: 
danielebarchiesi@4: 
danielebarchiesi@4:   return $schema;
danielebarchiesi@4: }
danielebarchiesi@4: 
danielebarchiesi@4: 
danielebarchiesi@4: /**
danielebarchiesi@4:  * Implements hook_uninstall().
danielebarchiesi@4:  *
danielebarchiesi@4:  * We should remove 'locked' state from all inherited fields instances.
danielebarchiesi@4:  *
danielebarchiesi@4:  * @todo
danielebarchiesi@4:  *   Maybe some better way to implement this function exists (talking about
danielebarchiesi@4:  *   performance). But anyway we are getting info about instances from cache
danielebarchiesi@4:  *   so I think that this implementation is more stable and logicaly loocking.
danielebarchiesi@4:  */
danielebarchiesi@4: function bundle_inherit_uninstall() {
danielebarchiesi@4:   $records = db_select('bundle_hierarchy', 'bh')
danielebarchiesi@4:     ->fields('bh')
danielebarchiesi@4:     ->execute();
danielebarchiesi@4:   foreach ($records as $record) {
danielebarchiesi@4:     $instances = field_info_instances($record->entity_type, $record->bundle_parent);
danielebarchiesi@4:     foreach ($instances as $instance) {
danielebarchiesi@4:       $inherited_instance = field_info_instance($record->entity_type, $instance['field_name'], $record->bundle);
danielebarchiesi@4:       $inherited_instance['locked'] = FALSE;
danielebarchiesi@4:       field_update_instance($inherited_instance);
danielebarchiesi@4:     }
danielebarchiesi@4:   }
danielebarchiesi@4: }