Moodle 3.x Developer's Guide

Specifying location settings

We now need to add extra configuration options to each section. Here is how the finished page will look to the end user:

The file lib.php contains a declaration of the format_location class, which itself extends format_base. See https://docs.moodle.org/dev/Course_formats#Developing_course_formats_for_Moodle_2.4_and_above for more details on the format_base class. Essentially, the lib.php file contains a set of callback functions, one of which, create_edit_form_elements(), can be used to add extra configuration settings--either for the format itself or the layout sections it contains. You will see from the code ...