search:facet

Description

The facet directive displays an individual facet. Either a response object and facet name must be passed to it, or a facet object.

Search Within Facet

To enable search within facets the following attributes must be set on the facet search-enabled="true". The following attributes can be set on either the facet-list tag or the facet tag to enable search within platform and query.

If using a string field such as facet_field_s then you should add the attribute facet-field to your facet tag with the tokenized version of that field eg. facet-field="facet_field_t", for more information see the search-enabled and facet-field attributes.

Multi-term facet queries

A field named location_facet might have several facets, such as 'AGL Centre', 'Airport City', and 'Airport Road'. When you search for 'AGL c', you want to see 'AGL Centre' in the results.

When conducting partial searches on multi-term facets, tokenize the searched field using solr.KeywordTokenizerFactory.

Lower-case transformation is crucial for case-insensitive matching. You can use the built-in lowercase field type in Fusion:

<fieldType name="lowercase" class="solr.TextField" positionIncrementGap="100">
    <analyzer>
	<tokenizer class="solr.KeywordTokenizerFactory"/>
	<filter class="solr.LowerCaseFilterFactory"/>
    </analyzer>
</fieldType>

This applies a tokenizer and a lower-case filter to get partial and case-insensitive string matches when searching within facets.

Usage

as element:

<search:facet
       [response="{string}"]
       [facet-name="{string}"]
       [facet="{expression}"]
       [title="{string}"]
       [show="{string}"]
       [show-more="{string}"]
       [max-characters="{string}"]
       [select="{string}"]
       [platform="{string}"]
       [query="{string}"]
       [search-enabled="{boolean}"]
       [facet-field="{string}"]
       [collapsible="{boolean}"]
       [show-empty="{boolean}"]
       [collapsed-by-default="{boolean}"]
       [show-more-label="{string}"]
       [show-less-label="{string}"]
       [show-count="{boolean}"]
       [action="{string}"]
       [count-number="{string}"]
       [date-format="{string}"]
       [measure="{string}"]
       [when-field="{string}"]
       [exclude="{boolean}"]>
</search:facet>

Directive info

This directive creates new scope.

Parameters

Param	Type	Details
response (optional)	string	The name of the response to use.
facet-name (optional)	string	Facet name to use from the response object
facet (optional)	expression	A facet object to display
title (optional)	string	The title of the facet to display, defaults to the name of the facet
show (optional)	string	The number of filters to show by default
show-more (optional)	string	The number of extra filters to display when the show more link is clicked
max-characters (optional)	string	Limit display value to a certain number of characters, adding '...' if max-characters is exceeded.
select (optional)	string	How to render each FacetFilter. Valid values:- click User selects a filter by clicking the value; (default) multiselect Supports selecting multiple filters that get combined with an 'OR'. toggle Only allows one filter to be selected at a time but shows unselected filters and counts multiselect-instant Supports selecting multiple filters that get combined with an 'OR', filters will be applied automatically.
platform (optional)	string	The name of the platform to use for search within the facet.
query (optional)	string	Nome of the query to be used.
search-enabled (optional)	boolean	Whether to enable search on the facet. If no query or platform is defined on the facet or facet-list it will enable the user to search through the filters that have been returned in the response. If a platform and query is defined on the facet or facet-list then it will search for filters in the search index. (Requires a tokenized field, if not using a tokenized field, if not using a tokenized field please see facet-field).
facet-field (optional)	string	When this option is provided, the user will have the option to search values within the facet using the named field to search against. The named field should be tokenized. Example usage is if you are using facet_field_s (a string facet/field) as your facet you need to provide the tokenized version of that field for search against, e.g. facet_field_t.
collapsible (optional)	boolean	Set to true if the facet should be collapsible in the list of facets. (default: false)
show-empty (optional)	boolean	If true then the facet will also output empty filters where count is zero. (default: false)
collapsed-by-default (optional)	boolean	Set to true if this facet should be collapsed by default. (default: false)
show-more-label (optional)	string	Text to show on the link that shows more filters (expandable mode). (default: "Show more")
show-less-label (optional)	string	Text to show on the link that shows fewer filters (expandable mode). (default: "Show less")
show-count (optional)	boolean	Whether to add metadata with frequency counts etc. (default: true)
action (optional)	string	Alternative Action to submit the query parameters to - defaults to current page.
count-number (optional)	string	Specify how the number representing the count should be formatted. Valid values:- plain Displays the number without any formatting. formatted Formatted means that the number is comma formatted (2,000,000 for 2000000). (default) rounded Rounded means the number is represented in a short format (2k for ~2000).
date-format (optional)	string	How to format the date. See date format filter for valid formats.
measure (optional)	string	What fact to use as an alternative to count as quantitative value for a filter.
when-field (optional)	string	Comma-separated list of field names. When one matches this facet representation will be used during an iteration.
exclude (optional)	boolean	On filter hover, displays an icon to allow the user to add an exclusion filter for the value. (default: false)

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