Facet API Taxonomy Folding

Add the ability to filter taxonomy terms to only active ones or direct children.
This will generate a folder navigation effect and avoid to display a very long list of terms.

The rendering is the same as for a "Date" facet which allows to progressively fine-tune value.

Requirements

This module is based on Search API and requires Facet API.
It has been design to work on taxonomy field.

Installation and configuration

• Put the module in sites/all/modules folder
• enable the module and any sub-module(s) you want
• add/modify a Search API index which lies on a Solr server
• setup taxonomy Facet
  • enable property : "Expand hierarchy" (in the configure display screen)
  • enable filter : "Display terms only if parent is selected (folder effect)" (in the configure filter screen)

Credits

Original idea & sponsoring : Actualys