| Parameters | context | The object that is being edited. |
| exported_field | The attribute being edited. This should be
a field from an interface of the form ISomeInterface['fieldname'] |
| label | The label text to display above the checkboxes |
| label_tag | The tag in which to wrap the label text. |
| attribute_type | The attribute type. Currently only "reference"
is supported. Used to determine whether to linkify the selected
checkbox item values. So ubuntu/hoary becomes
http://launchpad.net/devel/api/ubuntu/hoary |
| vocabulary | The name of the vocabulary which provides the
items or a vocabulary instance. |
| header | The text to display as the title of the popup form. |
| empty_display_value | The text to display if no items are
selected. |
| selected_items | The currently selected items. |
| items_tag | The tag in which to wrap the items checkboxes. |
| items_style | The css style to use for each item checkbox. |
| content_box_id | The HTML id to use for this widget.
Automatically generated if this is not provided. |
| edit_view | The view name to use to generate the edit_url if
one is not specified. |
| edit_url | The URL to use for editing when the user isn't logged
in and when JS is off. Defaults to the edit_view on the context. |
| edit_title | Used to set the title attribute of the anchor. |