1<?php 2// This file is part of Moodle - http://moodle.org/ 3// 4// Moodle is free software: you can redistribute it and/or modify 5// it under the terms of the GNU General Public License as published by 6// the Free Software Foundation, either version 3 of the License, or 7// (at your option) any later version. 8// 9// Moodle is distributed in the hope that it will be useful, 10// but WITHOUT ANY WARRANTY; without even the implied warranty of 11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12// GNU General Public License for more details. 13// 14// You should have received a copy of the GNU General Public License 15// along with Moodle. If not, see <http://www.gnu.org/licenses/>. 16 17/** 18 * Edit a calculated grade item 19 * 20 * @package core_grades 21 * @copyright 2007 Petr Skoda 22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 23 */ 24 25require_once '../../../config.php'; 26require_once $CFG->dirroot.'/grade/lib.php'; 27require_once $CFG->libdir.'/mathslib.php'; 28require_once 'calculation_form.php'; 29 30$courseid = required_param('courseid', PARAM_INT); 31$id = required_param('id', PARAM_INT); 32$section = optional_param('section', 'calculation', PARAM_ALPHA); 33$idnumbers = optional_param_array('idnumbers', null, PARAM_RAW); 34 35$url = new moodle_url('/grade/edit/tree/calculation.php', array('id'=>$id, 'courseid'=>$courseid)); 36if ($section !== 'calculation') { 37 $url->param('section', $section); 38} 39$PAGE->set_url($url); 40 41if (!$course = $DB->get_record('course', array('id' => $courseid))) { 42 print_error('invalidcourseid'); 43} 44 45require_login($course); 46$context = context_course::instance($course->id); 47require_capability('moodle/grade:manage', $context); 48 49$PAGE->set_pagelayout('admin'); 50navigation_node::override_active_url(new moodle_url('/grade/edit/tree/index.php', 51 array('id'=>$course->id))); 52 53// default return url 54$gpr = new grade_plugin_return(); 55$returnurl = $gpr->get_return_url($CFG->wwwroot.'/grade/report/index.php?id='.$course->id); 56 57if (!$grade_item = grade_item::fetch(array('id'=>$id, 'courseid'=>$course->id))) { 58 print_error('invaliditemid'); 59} 60 61// activity items and items without grade can not have calculation 62if ($grade_item->is_external_item() or ($grade_item->gradetype != GRADE_TYPE_VALUE and $grade_item->gradetype != GRADE_TYPE_SCALE)) { 63 redirect($returnurl, get_string('errornocalculationallowed', 'grades')); 64} 65 66$mform = new edit_calculation_form(null, array('gpr'=>$gpr, 'itemid' => $grade_item->id)); 67 68if ($mform->is_cancelled()) { 69 redirect($returnurl); 70 71} 72 73$calculation = calc_formula::localize($grade_item->calculation); 74$calculation = grade_item::denormalize_formula($calculation, $grade_item->courseid); 75$mform->set_data(array('courseid'=>$grade_item->courseid, 'calculation'=>$calculation, 'id'=>$grade_item->id, 'itemname'=>$grade_item->itemname)); 76 77$errors = array(); 78 79if ($data = $mform->get_data()) { 80 $calculation = calc_formula::unlocalize($data->calculation); 81 $grade_item->set_calculation($calculation); 82 83 redirect($returnurl); 84 85} elseif (!empty($section) AND $section='idnumbers' AND !empty($idnumbers)) { // Handle idnumbers separately (non-mform) 86 //first validate and store the new idnumbers 87 foreach ($idnumbers as $giid => $value) { 88 if ($gi = grade_item::fetch(array('id' => $giid))) { 89 if ($gi->itemtype == 'mod') { 90 $cm = get_coursemodule_from_instance($gi->itemmodule, $gi->iteminstance, $gi->courseid); 91 } else { 92 $cm = null; 93 } 94 95 if (!grade_verify_idnumber($value, $COURSE->id, $gi, $cm)) { 96 $errors[$giid] = get_string('idnumbertaken'); 97 continue; 98 } 99 100 if (empty($gi->idnumber) and !$gi->add_idnumber($idnumbers[$gi->id])) { 101 $errors[$giid] = get_string('error'); 102 continue; 103 } 104 } else { 105 $errors[$giid] = 'Could not fetch the grade_item with id=' . $giid; 106 } 107 } 108} 109 110$gtree = new grade_tree($course->id, false, false); 111 112$strgrades = get_string('grades'); 113$strgraderreport = get_string('graderreport', 'grades'); 114$strcalculationedit = get_string('editcalculation', 'grades'); 115 116$PAGE->navbar->add($strcalculationedit); 117print_grade_page_head($courseid, 'settings', null, $strcalculationedit, false, false, false); 118 119$mform->display(); 120// Now show the gradetree with the idnumbers add/edit form 121echo ' 122<form class="mform" id="mform2" method="post" action="' . $CFG->wwwroot . '/grade/edit/tree/calculation.php?courseid='.$courseid.'&id='.$id.'"> 123 <div style="display: none;"> 124 <input type="hidden" value="'.$id.'" name="id"/> 125 <input type="hidden" value="'.$courseid.'" name="courseid"/> 126 <input type="hidden" value="'.$gpr->type.'" name="gpr_type"/> 127 <input type="hidden" value="'.$gpr->plugin.'" name="gpr_plugin"/> 128 <input type="hidden" value="'.$gpr->courseid.'" name="gpr_courseid"/> 129 <input type="hidden" value="'.sesskey().'" name="sesskey"/> 130 <input type="hidden" value="idnumbers" name="section"/> 131 </div> 132 133 <fieldset id="idnumbers" class="clearfix"> 134 <legend class="ftoggler">'.get_string('idnumbers', 'grades').'</legend> 135 <div class="fcontainer clearfix"> 136 <ul> 137 ' . get_grade_tree($gtree, $gtree->top_element, $id, $errors) . ' 138 </ul> 139 </div> 140 </fieldset> 141 <div class="fitem" style="text-align: center;"> 142 <input id="id_addidnumbers" type="submit" class="btn btn-secondary" value="' . get_string('addidnumbers', 'grades') . '" name="addidnumbers" /> 143 </div> 144</form>'; 145 146echo $OUTPUT->footer(); 147die(); 148 149 150/** 151 * Simplified version of the print_grade_tree() recursive function found in grade/edit/tree/index.php 152 * Only prints a tree with a basic icon for each element, and an edit field for 153 * items without an idnumber. 154 * @param object $gtree 155 * @param object $element 156 * @param int $current_itemid The itemid of this page: should be excluded from the tree 157 * @param array $errors An array of idnumbers => error 158 * @return string 159 */ 160function get_grade_tree(&$gtree, $element, $current_itemid=null, $errors=null) { 161 global $CFG; 162 163 $object = $element['object']; 164 $eid = $element['eid']; 165 $type = $element['type']; 166 $grade_item = $object->get_grade_item(); 167 168 $name = $object->get_name(); 169 $return_string = ''; 170 171 //TODO: improve outcome visualisation 172 if ($type == 'item' and !empty($object->outcomeid)) { 173 $name = $name.' ('.get_string('outcome', 'grades').')'; 174 } 175 176 $idnumber = $object->get_idnumber(); 177 178 // Don't show idnumber or input field for current item if given to function. Highlight the item instead. 179 if ($type != 'category') { 180 if (is_null($current_itemid) OR $grade_item->id != $current_itemid) { 181 if ($idnumber) { 182 $name .= ": [[$idnumber]]"; 183 } else { 184 $closingdiv = ''; 185 if (!empty($errors[$grade_item->id])) { 186 $name .= '<div class="error"><span class="error">' . $errors[$grade_item->id].'</span><br />'."\n"; 187 $closingdiv = "</div>\n"; 188 } 189 $name .= '<label class="accesshide" for="id_idnumber_' . $grade_item->id . '">' . get_string('gradeitems', 'grades') .'</label>'; 190 $name .= '<input class="idnumber" id="id_idnumber_'.$grade_item->id.'" type="text" name="idnumbers['.$grade_item->id.']" />' . "\n"; 191 $name .= $closingdiv; 192 } 193 } else { 194 $name = "<strong>$name</strong>"; 195 } 196 } 197 198 $icon = $gtree->get_element_icon($element, true); 199 $last = ''; 200 $catcourseitem = ($element['type'] == 'courseitem' or $element['type'] == 'categoryitem'); 201 202 if ($type != 'category') { 203 $return_string .= '<li class="'.$type.'">'.$icon.$name.'</li>' . "\n"; 204 } else { 205 $return_string .= '<li class="'.$type.'">'.$icon.$name . "\n"; 206 $return_string .= '<ul class="catlevel'.$element['depth'].'">'."\n"; 207 $last = null; 208 foreach($element['children'] as $child_el) { 209 $return_string .= get_grade_tree($gtree, $child_el, $current_itemid, $errors); 210 } 211 if ($last) { 212 $return_string .= get_grade_tree($gtree, $last, $current_itemid, $errors); 213 } 214 $return_string .= '</ul></li>'."\n"; 215 } 216 217 return $return_string; 218} 219 220 221