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<?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/>.
/**
* A moodleform to allow the creation and editing of outcome grade items
*
* @package core_grades
* @copyright 2007 Petr Skoda
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
if (!defined('MOODLE_INTERNAL')) {
die('Direct access to this script is forbidden.'); /// It must be included from a Moodle page
}
require_once $CFG->libdir.'/formslib.php';
class edit_outcomeitem_form extends moodleform {
function definition() {
global $COURSE, $CFG;
$mform =& $this->_form;
/// visible elements
$mform->addElement('header', 'general', get_string('gradeoutcomeitem', 'grades'));
$mform->addElement('text', 'itemname', get_string('itemname', 'grades'));
$mform->addRule('itemname', get_string('required'), 'required', null, 'client');
$mform->setType('itemname', PARAM_TEXT);
$mform->addElement('text', 'iteminfo', get_string('iteminfo', 'grades'));
$mform->addHelpButton('iteminfo', 'iteminfo', 'grades');
$mform->setType('iteminfo', PARAM_TEXT);
$mform->addElement('text', 'idnumber', get_string('idnumbermod'));
$mform->addHelpButton('idnumber', 'idnumbermod');
$mform->setType('idnumber', PARAM_RAW);
// allow setting of outcomes on module items too
$options = array();
if ($outcomes = grade_outcome::fetch_all_available($COURSE->id)) {
foreach ($outcomes as $outcome) {
$options[$outcome->id] = $outcome->get_name();
}
}
$mform->addElement('selectwithlink', 'outcomeid', get_string('outcome', 'grades'), $options, null,
array('link' => $CFG->wwwroot.'/grade/edit/outcome/course.php?id='.$COURSE->id, 'label' => get_string('outcomeassigntocourse', 'grades')));
$mform->addHelpButton('outcomeid', 'outcome', 'grades');
$mform->addRule('outcomeid', get_string('required'), 'required');
$options = array(0=>get_string('none'));
if ($coursemods = get_course_mods($COURSE->id)) {
foreach ($coursemods as $coursemod) {
if ($mod = get_coursemodule_from_id($coursemod->modname, $coursemod->id)) {
$options[$coursemod->id] = format_string($mod->name);
}
}
}
$mform->addElement('select', 'cmid', get_string('linkedactivity', 'grades'), $options);
$mform->addHelpButton('cmid', 'linkedactivity', 'grades');
$mform->setDefault('cmid', 0);
/// hiding
/// advcheckbox is not compatible with disabledIf !!
$mform->addElement('checkbox', 'hidden', get_string('hidden', 'grades'));
$mform->addHelpButton('hidden', 'hidden', 'grades');
$mform->addElement('date_time_selector', 'hiddenuntil', get_string('hiddenuntil', 'grades'), array('optional'=>true));
$mform->disabledIf('hidden', 'hiddenuntil[off]', 'notchecked');
//locking
$mform->addElement('advcheckbox', 'locked', get_string('locked', 'grades'));
$mform->addHelpButton('locked', 'locked', 'grades');
$mform->addElement('date_time_selector', 'locktime', get_string('locktime', 'grades'), array('optional'=>true));
/// parent category related settings
$mform->addElement('header', 'headerparent', get_string('parentcategory', 'grades'));
$mform->addElement('advcheckbox', 'weightoverride', get_string('adjustedweight', 'grades'));
$mform->addHelpButton('weightoverride', 'weightoverride', 'grades');
$mform->addElement('text', 'aggregationcoef2', get_string('weight', 'grades'));
$mform->addHelpButton('aggregationcoef2', 'weight', 'grades');
$mform->setType('aggregationcoef2', PARAM_RAW);
$mform->disabledIf('aggregationcoef2', 'weightoverride');
$options = array();
$default = '';
$coefstring = '';
$categories = grade_category::fetch_all(array('courseid'=>$COURSE->id));
foreach ($categories as $cat) {
$cat->apply_forced_settings();
$options[$cat->id] = $cat->get_name();
if ($cat->is_course_category()) {
$default = $cat->id;
}
if ($cat->is_aggregationcoef_used()) {
if ($cat->aggregation == GRADE_AGGREGATE_WEIGHTED_MEAN) {
$coefstring = ($coefstring=='' or $coefstring=='aggregationcoefweight') ? 'aggregationcoefweight' : 'aggregationcoef';
} else if ($cat->aggregation == GRADE_AGGREGATE_WEIGHTED_MEAN2) {
$coefstring = ($coefstring=='' or $coefstring=='aggregationcoefextrasum') ? 'aggregationcoefextrasum' : 'aggregationcoef';
} else if ($cat->aggregation == GRADE_AGGREGATE_EXTRACREDIT_MEAN) {
$coefstring = ($coefstring=='' or $coefstring=='aggregationcoefextraweight') ? 'aggregationcoefextraweight' : 'aggregationcoef';
} else if ($cat->aggregation == GRADE_AGGREGATE_SUM) {
$coefstring = ($coefstring=='' or $coefstring=='aggregationcoefextrasum') ? 'aggregationcoefextrasum' : 'aggregationcoef';
} else {
$coefstring = 'aggregationcoef';
}
} else {
$mform->disabledIf('aggregationcoef', 'parentcategory', 'eq', $cat->id);
}
}
if (count($categories) > 1) {
$mform->addElement('select', 'parentcategory', get_string('gradecategory', 'grades'), $options);
$mform->disabledIf('parentcategory', 'cmid', 'noteq', 0);
}
if ($coefstring !== '') {
if ($coefstring == 'aggregationcoefextrasum' || $coefstring == 'aggregationcoefextraweightsum') {
// advcheckbox is not compatible with disabledIf!
$coefstring = 'aggregationcoefextrasum';
$mform->addElement('checkbox', 'aggregationcoef', get_string($coefstring, 'grades'));
} else {
$mform->addElement('text', 'aggregationcoef', get_string($coefstring, 'grades'));
}
$mform->addHelpButton('aggregationcoef', $coefstring, 'grades');
}
/// hidden params
$mform->addElement('hidden', 'id', 0);
$mform->setType('id', PARAM_INT);
$mform->addElement('hidden', 'courseid', $COURSE->id);
$mform->setType('courseid', PARAM_INT);
/// add return tracking info
$gpr = $this->_customdata['gpr'];
$gpr->add_mform_elements($mform);
/// mark advanced according to site settings
if (isset($CFG->grade_item_advanced)) {
$advanced = explode(',', $CFG->grade_item_advanced);
foreach ($advanced as $el) {
if ($mform->elementExists($el)) {
$mform->setAdvanced($el);
}
}
}
//-------------------------------------------------------------------------------
// buttons
$this->add_action_buttons();
}
/// tweak the form - depending on existing data
function definition_after_data() {
global $CFG, $COURSE;
$mform =& $this->_form;
if ($id = $mform->getElementValue('id')) {
$grade_item = grade_item::fetch(array('id'=>$id));
//remove the aggregation coef element if not needed
if ($grade_item->is_course_item()) {
if ($mform->elementExists('parentcategory')) {
$mform->removeElement('parentcategory');
}
if ($mform->elementExists('aggregationcoef')) {
$mform->removeElement('aggregationcoef');
}
} else {
// if we wanted to change parent of existing item - we would have to verify there are no circular references in parents!!!
if ($mform->elementExists('parentcategory')) {
$mform->hardFreeze('parentcategory');
}
if ($grade_item->is_category_item()) {
$category = $grade_item->get_item_category();
$parent_category = $category->get_parent_category();
} else {
$parent_category = $grade_item->get_parent_category();
}
$parent_category->apply_forced_settings();
if (!$parent_category->is_aggregationcoef_used() || !$parent_category->aggregateoutcomes) {
if ($mform->elementExists('aggregationcoef')) {
$mform->removeElement('aggregationcoef');
}
} else {
//fix label if needed
$agg_el =& $mform->getElement('aggregationcoef');
$aggcoef = '';
if ($parent_category->aggregation == GRADE_AGGREGATE_WEIGHTED_MEAN) {
$aggcoef = 'aggregationcoefweight';
} else if ($parent_category->aggregation == GRADE_AGGREGATE_WEIGHTED_MEAN2) {
$aggcoef = 'aggregationcoefextrasum';
} else if ($parent_category->aggregation == GRADE_AGGREGATE_EXTRACREDIT_MEAN) {
$aggcoef = 'aggregationcoefextraweight';
} else if ($parent_category->aggregation == GRADE_AGGREGATE_SUM) {
$aggcoef = 'aggregationcoefextrasum';
}
if ($aggcoef !== '') {
$agg_el->setLabel(get_string($aggcoef, 'grades'));
$mform->addHelpButton('aggregationcoef', $aggcoef, 'grades');
}
}
// Remove the natural weighting fields for other aggregations,
// or when the category does not aggregate outcomes.
if ($parent_category->aggregation != GRADE_AGGREGATE_SUM ||
!$parent_category->aggregateoutcomes) {
if ($mform->elementExists('weightoverride')) {
$mform->removeElement('weightoverride');
}
if ($mform->elementExists('aggregationcoef2')) {
$mform->removeElement('aggregationcoef2');
}
}
}
}
// no parent header for course category
if (!$mform->elementExists('aggregationcoef') and !$mform->elementExists('parentcategory')) {
$mform->removeElement('headerparent');
}
}
/// perform extra validation before submission
function validation($data, $files) {
global $COURSE;
$errors = parent::validation($data, $files);
if (array_key_exists('idnumber', $data)) {
if ($data['id']) {
$grade_item = new grade_item(array('id'=>$data['id'], 'courseid'=>$data['courseid']));
} else {
$grade_item = null;
}
if (!grade_verify_idnumber($data['idnumber'], $COURSE->id, $grade_item, null)) {
$errors['idnumber'] = get_string('idnumbertaken');
}
}
return $errors;
}
}