edit_form.php

<?php

// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * minimalistic edit form
 *
 * @package   block_course_ascendants
 * @copyright 2013 Valery Fremaux / valery.fremaux@gmail.com
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

require_once("$CFG->libdir/formslib.php");

class block_course_ascendants_edit_form extends block_edit_form {

    function specific_definition($mform) {
        global $CFG,$DB, $COURSE;
      
        $mform->addElement('header', 'configheader', get_string('blocksettings', 'block'));

        $mform->addElement('checkbox', 'config_showcategories', get_string('configshowcategories', 'block_course_ascendants'));

		$catoptions = $DB->get_records_menu('course_categories', null, 'sortorder', 'id,name'); 
        $mform->addElement('select', 'config_coursescopestartcategory', get_string('configcoursescopestartcategory', 'block_course_ascendants'), $catoptions);
        $mform->addHelpButton('config_coursescopestartcategory', 'configcoursescopestartcategory', 'block_course_ascendants');

        $mform->addElement('text', 'config_stringlimit', get_string('configstringlimit', 'block_course_ascendants'), array('size' => 4, 'maxlength' => 3));
        $mform->addHelpButton('config_stringlimit', 'configstringlimit', 'block_course_ascendants');

        $mform->addElement('text', 'config_catstringfilter', get_string('configcatstringfilter', 'block_course_ascendants'), array('size' => 40, 'maxlength' => 80));
        $mform->addHelpButton('config_catstringfilter', 'configcatstringfilter', 'block_course_ascendants');

        $mform->addElement('checkbox', 'config_createcoursegroup', get_string('configcreatecoursegroup', 'block_course_ascendants'));
        $mform->addHelpButton('config_createcoursegroup', 'configcreatecoursegroup', 'block_course_ascendants');

        $mform->addElement('text', 'config_coursegroupname', get_string('configcoursegroupname', 'block_course_ascendants'), array('size' => 40));
        $mform->addHelpButton('config_coursegroupname', 'configcoursegroupname', 'block_course_ascendants');

		switch ($CFG->block_ascendants_coursegroupnamebase){
			case 'shortname' : 
				$mform->setDefault('config_coursegroupname', $COURSE->shortname);
				break;
			case 'idnumber' : 
				$mform->setDefault('config_coursegroupname', $COURSE->idnumber);
				break;
			default: 
				$mform->setDefault('config_coursegroupname', $COURSE->fullname);
				break;
		}

    }
}