Moodle: Course create/edit form - add field yes/no

Trabla: Moodle: Course creation form - add field yes/no


Solving:

1. Create database column

ALTER TABLE mdl_course ADD COLUMN myfield smallint DEFAULT 0; -- default NO
UPDATE mdl_course SET myfield = 0;
ALTER TABLE mdl_course ALTER COLUMN myfield SET NOT NULL;


2. Modify course creation form .php script

/moodle/course/edit_form.php

$mform->addElement('text','idnumber', get_string('idnumbercourse'),'maxlength="100"  size="10"');
        $mform->addHelpButton('idnumber', 'idnumbercourse');
        $mform->setType('idnumber', PARAM_RAW);
        if (!empty($course->id) and !has_capability('moodle/course:changeidnumber', $coursecontext)) {
            $mform->hardFreeze('idnumber');
            $mform->setConstants('idnumber', $course->idnumber);
        }

        //Start: This is my field!!!
        $mform->addElement('selectyesno', 'myfield ', "This is my course yes/no field" );
        $mform->setDefault('myfield ', 0); //default NO
        //End: This is my field!!!


        $mform->addElement('editor','summary_editor', get_string('coursesummary'), null, $editoroptions);
        $mform->addHelpButton('summary_editor', 'coursesummary');
        $mform->setType('summary_editor', PARAM_RAW);

Result: