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3869ab1ac6
String aggregationcoefextraweight is used when editing an item which is aggregated by Mean of grades (with extra credit) and was reworded to Extra credit weight (because in fact it is the weight of the extra credit - if it equals zero, the grade is not extra) String aggregationcoefextrasum is used for Sum of grades and Simple weighted mean of grades, meaning a checkbox extra credit yes/no String aggregationcoefextra is used in the header of table Categories and items (either Simple view or Full view). It must contain the information about both meanings of aggregation. AMOS BEGIN HLP grade/aggregationcoefcombo.html,[aggregationcoefextra_help,core_grades] HLP grade/aggregationcoefextra.html,[aggregationcoefextraweight_help,core_grades] HLP grade/aggregationcoefextrasum.html,[aggregationcoefextrasum_help,core_grades] AMOS END
336 lines
16 KiB
PHP
336 lines
16 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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if (!defined('MOODLE_INTERNAL')) {
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die('Direct access to this script is forbidden.'); /// It must be included from a Moodle page
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}
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require_once $CFG->libdir.'/formslib.php';
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class edit_item_form extends moodleform {
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private $displayoptions;
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function definition() {
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global $COURSE, $CFG, $DB;
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$mform =& $this->_form;
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$item = $this->_customdata['current'];
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/// visible elements
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$mform->addElement('header', 'general', get_string('gradeitem', 'grades'));
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$mform->addElement('text', 'itemname', get_string('itemname', 'grades'));
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$mform->addElement('text', 'iteminfo', get_string('iteminfo', 'grades'));
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$mform->setHelpButton('iteminfo', array('iteminfo', get_string('iteminfo', 'grades'), 'grade'), true);
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$mform->addElement('text', 'idnumber', get_string('idnumbermod'));
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$mform->addHelpButton('idnumber', 'idnumbermod');
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$options = array(GRADE_TYPE_NONE=>get_string('typenone', 'grades'),
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GRADE_TYPE_VALUE=>get_string('typevalue', 'grades'),
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GRADE_TYPE_SCALE=>get_string('typescale', 'grades'),
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GRADE_TYPE_TEXT=>get_string('typetext', 'grades'));
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$mform->addElement('select', 'gradetype', get_string('gradetype', 'grades'), $options);
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$mform->setHelpButton('gradetype', array('gradetype', get_string('gradetype', 'grades'), 'grade'), true);
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$mform->setDefault('gradetype', GRADE_TYPE_VALUE);
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//$mform->addElement('text', 'calculation', get_string('calculation', 'grades'));
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//$mform->disabledIf('calculation', 'gradetype', 'eq', GRADE_TYPE_TEXT);
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//$mform->disabledIf('calculation', 'gradetype', 'eq', GRADE_TYPE_NONE);
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$options = array(0=>get_string('usenoscale', 'grades'));
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if ($scales = grade_scale::fetch_all_local($COURSE->id)) {
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foreach ($scales as $scale) {
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$options[$scale->id] = $scale->get_name();
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}
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}
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if ($scales = grade_scale::fetch_all_global()) {
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foreach ($scales as $scale) {
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$options[$scale->id] = $scale->get_name();
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}
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}
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// ugly BC hack - it was possbile to use custom scale from other courses :-(
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if (!empty($item->scaleid) and !isset($options[$item->scaleid])) {
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if ($scale = grade_scale::fetch(array('id'=>$item->scaleid))) {
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$options[$scale->id] = $scale->get_name().get_string('incorrectcustomscale', 'grades');
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}
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}
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$mform->addElement('select', 'scaleid', get_string('scale'), $options);
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$mform->setHelpButton('scaleid', array('scaleid', get_string('scaleid', 'grades'), 'grade'), true);
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$mform->disabledIf('scaleid', 'gradetype', 'noteq', GRADE_TYPE_SCALE);
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$mform->addElement('text', 'grademax', get_string('grademax', 'grades'));
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$mform->setHelpButton('grademax', array('grademax', get_string('grademax', 'grades'), 'grade'), true);
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$mform->disabledIf('grademax', 'gradetype', 'noteq', GRADE_TYPE_VALUE);
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$mform->addElement('text', 'grademin', get_string('grademin', 'grades'));
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$mform->setHelpButton('grademin', array('grademin', get_string('grademin', 'grades'), 'grade'), true);
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$mform->disabledIf('grademin', 'gradetype', 'noteq', GRADE_TYPE_VALUE);
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$mform->addElement('text', 'gradepass', get_string('gradepass', 'grades'));
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$mform->setHelpButton('gradepass', array('gradepass', get_string('gradepass', 'grades'), 'grade'), true);
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$mform->disabledIf('gradepass', 'gradetype', 'eq', GRADE_TYPE_NONE);
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$mform->disabledIf('gradepass', 'gradetype', 'eq', GRADE_TYPE_TEXT);
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$mform->addElement('text', 'multfactor', get_string('multfactor', 'grades'));
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$mform->setHelpButton('multfactor', array('multfactor', get_string('multfactor', 'grades'), 'grade'), true);
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$mform->setAdvanced('multfactor');
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$mform->disabledIf('multfactor', 'gradetype', 'eq', GRADE_TYPE_NONE);
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$mform->disabledIf('multfactor', 'gradetype', 'eq', GRADE_TYPE_TEXT);
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$mform->addElement('text', 'plusfactor', get_string('plusfactor', 'grades'));
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$mform->setHelpButton('plusfactor', array('plusfactor', get_string('plusfactor', 'grades'), 'grade'), true);
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$mform->setAdvanced('plusfactor');
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$mform->disabledIf('plusfactor', 'gradetype', 'eq', GRADE_TYPE_NONE);
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$mform->disabledIf('plusfactor', 'gradetype', 'eq', GRADE_TYPE_TEXT);
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/// grade display prefs
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$default_gradedisplaytype = grade_get_setting($COURSE->id, 'displaytype', $CFG->grade_displaytype);
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$options = array(GRADE_DISPLAY_TYPE_DEFAULT => get_string('default', 'grades'),
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GRADE_DISPLAY_TYPE_REAL => get_string('real', 'grades'),
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GRADE_DISPLAY_TYPE_PERCENTAGE => get_string('percentage', 'grades'),
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GRADE_DISPLAY_TYPE_LETTER => get_string('letter', 'grades'),
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GRADE_DISPLAY_TYPE_REAL_PERCENTAGE => get_string('realpercentage', 'grades'),
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GRADE_DISPLAY_TYPE_REAL_LETTER => get_string('realletter', 'grades'),
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GRADE_DISPLAY_TYPE_LETTER_REAL => get_string('letterreal', 'grades'),
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GRADE_DISPLAY_TYPE_LETTER_PERCENTAGE => get_string('letterpercentage', 'grades'),
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GRADE_DISPLAY_TYPE_PERCENTAGE_LETTER => get_string('percentageletter', 'grades'),
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GRADE_DISPLAY_TYPE_PERCENTAGE_REAL => get_string('percentagereal', 'grades')
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);
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asort($options);
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foreach ($options as $key=>$option) {
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if ($key == $default_gradedisplaytype) {
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$options[GRADE_DISPLAY_TYPE_DEFAULT] = get_string('defaultprev', 'grades', $option);
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break;
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}
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}
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$mform->addElement('select', 'display', get_string('gradedisplaytype', 'grades'), $options);
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$mform->setHelpButton('display', array('gradedisplaytype', get_string('gradedisplaytype', 'grades'), 'grade'), true);
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$default_gradedecimals = grade_get_setting($COURSE->id, 'decimalpoints', $CFG->grade_decimalpoints);
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$options = array(-1=>get_string('defaultprev', 'grades', $default_gradedecimals), 0=>0, 1=>1, 2=>2, 3=>3, 4=>4, 5=>5);
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$mform->addElement('select', 'decimals', get_string('decimalpoints', 'grades'), $options);
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$mform->setHelpButton('decimals', array('decimalpoints', get_string('decimalpoints', 'grades'), 'grade'), true);
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$mform->setDefault('decimals', -1);
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$mform->disabledIf('decimals', 'display', 'eq', GRADE_DISPLAY_TYPE_LETTER);
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if ($default_gradedisplaytype == GRADE_DISPLAY_TYPE_LETTER) {
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$mform->disabledIf('decimals', 'display', "eq", GRADE_DISPLAY_TYPE_DEFAULT);
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}
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/// hiding
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// advcheckbox is not compatible with disabledIf!
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$mform->addElement('checkbox', 'hidden', get_string('hidden', 'grades'));
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$mform->setHelpButton('hidden', array('hidden', get_string('hidden', 'grades'), 'grade'));
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$mform->addElement('date_time_selector', 'hiddenuntil', get_string('hiddenuntil', 'grades'), array('optional'=>true));
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$mform->setHelpButton('hiddenuntil', array('hiddenuntil', get_string('hiddenuntil', 'grades'), 'grade'));
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$mform->disabledIf('hidden', 'hiddenuntil[off]', 'notchecked');
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/// locking
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$mform->addElement('advcheckbox', 'locked', get_string('locked', 'grades'));
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$mform->setHelpButton('locked', array('locked', get_string('locked', 'grades'), 'grade'));
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$mform->addElement('date_time_selector', 'locktime', get_string('locktime', 'grades'), array('optional'=>true));
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$mform->setHelpButton('locktime', array('lockedafter', get_string('locktime', 'grades'), 'grade'));
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$mform->disabledIf('locktime', 'gradetype', 'eq', GRADE_TYPE_NONE);
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/// parent category related settings
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$mform->addElement('header', 'headerparent', get_string('parentcategory', 'grades'));
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$options = array();
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$coefstring = '';
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$categories = grade_category::fetch_all(array('courseid'=>$COURSE->id));
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foreach ($categories as $cat) {
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$cat->apply_forced_settings();
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$options[$cat->id] = $cat->get_name();
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}
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if (count($categories) > 1) {
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$mform->addElement('select', 'parentcategory', get_string('gradecategory', 'grades'), $options);
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}
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/// hidden params
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$mform->addElement('hidden', 'id', 0);
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$mform->setType('id', PARAM_INT);
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$mform->addElement('hidden', 'courseid', $COURSE->id);
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$mform->setType('courseid', PARAM_INT);
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$mform->addElement('hidden', 'itemtype', 'manual'); // all new items are manual only
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$mform->setType('itemtype', PARAM_ALPHA);
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/// add return tracking info
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$gpr = $this->_customdata['gpr'];
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$gpr->add_mform_elements($mform);
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/// mark advanced according to site settings
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if (isset($CFG->grade_item_advanced)) {
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$advanced = explode(',', $CFG->grade_item_advanced);
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foreach ($advanced as $el) {
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if ($mform->elementExists($el)) {
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$mform->setAdvanced($el);
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}
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}
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}
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//-------------------------------------------------------------------------------
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// buttons
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$this->add_action_buttons();
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//-------------------------------------------------------------------------------
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$this->set_data($item);
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}
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/// tweak the form - depending on existing data
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function definition_after_data() {
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global $CFG, $COURSE;
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$mform =& $this->_form;
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if ($id = $mform->getElementValue('id')) {
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$grade_item = grade_item::fetch(array('id'=>$id));
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if (!$grade_item->is_raw_used()) {
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$mform->removeElement('plusfactor');
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$mform->removeElement('multfactor');
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}
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if ($grade_item->is_outcome_item()) {
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// we have to prevent incompatible modifications of outcomes if outcomes disabled
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$mform->removeElement('grademax');
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$mform->removeElement('grademin');
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$mform->removeElement('gradetype');
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$mform->removeElement('display');
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$mform->removeElement('decimals');
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$mform->hardFreeze('scaleid');
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} else {
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if ($grade_item->is_external_item()) {
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// following items are set up from modules and should not be overrided by user
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$mform->hardFreeze('itemname,idnumber,gradetype,grademax,grademin,scaleid');
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//$mform->removeElement('calculation');
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}
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}
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// if we wanted to change parent of existing item - we would have to verify there are no circular references in parents!!!
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if ($mform->elementExists('parentcategory')) {
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$mform->hardFreeze('parentcategory');
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}
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$parent_category = $grade_item->get_parent_category();
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$parent_category->apply_forced_settings();
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if (!$parent_category->is_aggregationcoef_used()) {
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if ($mform->elementExists('aggregationcoef')) {
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$mform->removeElement('aggregationcoef');
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}
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} else {
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$coefstring = $grade_item->get_coefstring();
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if ($coefstring !== '') {
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if ($coefstring == 'aggregationcoefextrasum') {
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// advcheckbox is not compatible with disabledIf!
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$element =& $mform->createElement('checkbox', 'aggregationcoef', get_string($coefstring, 'grades'));
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} else {
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$element =& $mform->createElement('text', 'aggregationcoef', get_string($coefstring, 'grades'));
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}
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if ($mform->elementExists('parentcategory')) {
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$mform->insertElementBefore($element, 'parentcategory');
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} else {
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$mform->insertElementBefore($element, 'id');
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}
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$mform->addHelpButton('aggregationcoef', $coefstring, 'grades');
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}
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$mform->disabledIf('aggregationcoef', 'parentcategory', 'eq', $parent_category->id);
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}
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if ($category = $grade_item->get_item_category()) {
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if ($category->aggregation == GRADE_AGGREGATE_SUM) {
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if ($mform->elementExists('gradetype')) {
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$mform->hardFreeze('gradetype');
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}
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if ($mform->elementExists('grademin')) {
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$mform->hardFreeze('grademin');
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}
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if ($mform->elementExists('grademax')) {
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$mform->hardFreeze('grademax');
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}
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if ($mform->elementExists('scaleid')) {
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$mform->removeElement('scaleid');
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}
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}
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}
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} else {
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// all new items are manual, children of course category
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$mform->removeElement('plusfactor');
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$mform->removeElement('multfactor');
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}
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// no parent header for course category
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if (!$mform->elementExists('aggregationcoef') and !$mform->elementExists('parentcategory')) {
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$mform->removeElement('headerparent');
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}
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}
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/// perform extra validation before submission
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function validation($data, $files) {
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global $COURSE;
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$errors = parent::validation($data, $files);
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if (array_key_exists('idnumber', $data)) {
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if ($data['id']) {
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$grade_item = new grade_item(array('id'=>$data['id'], 'courseid'=>$data['courseid']));
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if ($grade_item->itemtype == 'mod') {
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$cm = get_coursemodule_from_instance($grade_item->itemmodule, $grade_item->iteminstance, $grade_item->courseid);
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} else {
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$cm = null;
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}
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} else {
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$grade_item = null;
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$cm = null;
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}
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if (!grade_verify_idnumber($data['idnumber'], $COURSE->id, $grade_item, $cm)) {
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$errors['idnumber'] = get_string('idnumbertaken');
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}
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}
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if (array_key_exists('gradetype', $data) and $data['gradetype'] == GRADE_TYPE_SCALE) {
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if (empty($data['scaleid'])) {
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$errors['scaleid'] = get_string('missingscale', 'grades');
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}
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}
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if (array_key_exists('grademin', $data) and array_key_exists('grademax', $data)) {
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if ($data['grademax'] == $data['grademin'] or $data['grademax'] < $data['grademin']) {
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$errors['grademin'] = get_string('incorrectminmax', 'grades');
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$errors['grademax'] = get_string('incorrectminmax', 'grades');
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}
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}
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return $errors;
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}
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}
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