Accession Reference field

A Drupal project implementing a field type for Accession References, a museum term describing the ID used to label a specific item in the museum's collection.

This particular field implements an accession reference with two text fields, both of which are numeric, with a separator character (default '/') between them. While this could perhaps have been done using e.g. the double_field project, a new type enables additional functionality such as specifying min/max and, in general, a more complete understanding of the field.

The project provides:

• A field type 'accession_reference'.
• A form Element type 'accession_reference_widget'.
• A field edit widget (which uses the form element).
• A field formatter.