This setting is used to limit the number of results returned by the auto-complete fields. Each field/widget can individually lower this maximum. The result sets will be paginated allowing the client to ask for more results. The limit is passed as a query parameter and validated against this value to ensure the client cannot manipulate the query string to retrive more values.
The LookupBase.format_item will conditionally escape result keys based on this setting. The label is escaped by default to prevent a XSS flaw when using the jQuery UI autocomplete. If you are using the lookup responses for a different autocomplete plugin then you may need to esacpe more keys by default.
Default: ('label', )
You probably don't want to include id in this setting.
This is the class name used for the remove buttons for the multiple select widgets. The set of icon classes built into the jQuery UI framework can be found here: http://jqueryui.com/themeroller/
This is the class name used for the combobox dropdown icon. The set of icon classes built into the jQuery UI framework can be found here: http://jqueryui.com/themeroller/
prepareQuery is a function that is run prior to sending the search request to the server. It is an oppotunity to add additional parameters to the search query. It takes one argument which is the current search parameters as a dictionary. For more information on its usage see :ref:`Adding Parameters on the Client Side <client-side-parameters>`.
If true the portions of the label which match the current search term will be wrapped in a span with the class highlight.
formatLabel is a function that is run prior to rendering the search results in the dropdown menu. It takes two arguments: the current item label and the item data dictionary. It should return the label which should be used. For more information on its usage see :ref:`Label Formats on the Client Side <advanced-label-formats>`.