noderef field type

Use the noderef field type to store references to other nodes, where node is a generic term for a post which can be of any type ( post, page or a custom post type (CPT)) Create the noderef field type using

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  bw_register_field( "_oikpv_plugin", "noderef", "Plugin", array( '#type' => 'oik-plugins') );   
  bw_register_field_for_object_type( "_oikpv_plugin", 'oik_pluginversion' );
 

Form display

When displayed in the Fields meta box or [bw_new] it appears as a single selection drop down list.

bw_fields display

When displayed by [bw_fields] it appears like this.

Notes

To reference multiple post types extend the #type argument

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  $purchasable_product_type = array();
  $purchasable_product_type[] = "download"; 
  $purchasable_product_type[] = "product"; 
  bw_register_field( "_oikp_prod", "noderef", "Purchasable product", array( '#type' => $purchasable_product_type, '#optional' => true ) ); 
 

The noderef type supports multiple selection.

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  bw_register_field( "_oik_api_hooks", "noderef", "Uses hooks", array( "#type" => "oik_hook", "#multiple" => true, "#optional" => true, '#theme' => false ));
 

Related

• oik-fields – requirements and implementation overview
• oik-fields – Field Types
  • checkbox field type
  • currency field type
  • date field type
  • email field type
  • noderef field type
  • numeric field type
  • select field type
  • text field type
  • textarea field type
  • URL field type
  • Virtual field type
• oik-fields – Field Attributes
• oik-fields – Implementing a new custom field
• oik-fields – unique features