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This was implemented by Matt Petro of the University of Wisconsin - Madison Engineering School and Math Department. Many thanks. Reviewed by and committed by Tim Hunt. This adds a new Overrides tab to the UI, with sub-tabs Group overrides and User overrides. Each of those lists all the overrides that currently exist, and lets you manage them and create more. When a quiz is being attempted, the override that applies to the current user is combined with the current quiz settings loaded from the quiz table (normally called $quiz). If there are both user and group overrides, then just the specific user override is used (more specific). If the user is in several groups, then the overrides are combined to give the most permissive set of options. There is one new database table quiz_overrides, to store the overrides.
ACTIVITY MODULES
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These are main modules in Moodle, allowing various activities.
Each of these modules contains a number of expected components:
mod_form.php: a form to setup/update a module instance
version.php: defines some meta-info and provides upgrading code
icon.gif: a 16x16 icon for the module
db/install.xml: an SQL dump of all the required db tables and data
index.php: a page to list all instances in a course
view.php: a page to view a particular instance
lib.php: any/all functions defined by the module should be in here.
constants should be defined using MODULENAME_xxxxxx
functions should be defined using modulename_xxxxxx
There are a number of standard functions:
modulename_add_instance()
modulename_update_instance()
modulename_delete_instance()
modulename_user_complete()
modulename_user_outline()
modulename_cron()
modulename_print_recent_activity()
If you are a developer and interested in developing new Modules see:
Moodle Documentation: http://moodle.org/doc
Moodle Community: http://moodle.org/community