Current Path : C:/Users/Mahmood/Desktop/moodle/grade/edit/letter/ |
Current File : C:/Users/Mahmood/Desktop/moodle/grade/edit/letter/index.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/>. /** * List of grade letters. * * @package core_grades * @copyright 2008 Nicolas Connault * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ require_once '../../../config.php'; require_once $CFG->dirroot.'/grade/lib.php'; require_once $CFG->libdir.'/gradelib.php'; $contextid = optional_param('id', SYSCONTEXTID, PARAM_INT); $action = optional_param('action', '', PARAM_ALPHA); $edit = optional_param('edit', false, PARAM_BOOL); //are we editing? $PAGE->set_url('/grade/edit/letter/index.php', array('id' => $contextid)); list($context, $course, $cm) = get_context_info_array($contextid); $contextid = null;//now we have a context object throw away the $contextid from the params //if viewing if (!$edit) { if (!has_capability('moodle/grade:manage', $context) and !has_capability('moodle/grade:manageletters', $context)) { print_error('nopermissiontoviewletergrade'); } } else {//else we're editing require_capability('moodle/grade:manageletters', $context); } $returnurl = null; $editparam = null; if ($context->contextlevel == CONTEXT_SYSTEM or $context->contextlevel == CONTEXT_COURSECAT) { require_once $CFG->libdir.'/adminlib.php'; admin_externalpage_setup('letters'); $admin = true; $returnurl = "$CFG->wwwroot/grade/edit/letter/index.php"; $editparam = '?edit=1'; } else if ($context->contextlevel == CONTEXT_COURSE) { $PAGE->set_pagelayout('standard');//calling this here to make blocks display require_login($context->instanceid, false, $cm); $admin = false; $returnurl = $CFG->wwwroot.'/grade/edit/letter/index.php?id='.$context->id; $editparam = '&edit=1'; $gpr = new grade_plugin_return(array('type'=>'edit', 'plugin'=>'letter', 'courseid'=>$course->id)); } else { print_error('invalidcourselevel'); } $strgrades = get_string('grades'); $pagename = get_string('letters', 'grades'); $letters = grade_get_letters($context); $num = count($letters) + 3; $override = $DB->record_exists('grade_letters', array('contextid' => $context->id)); //if were viewing the letters if (!$edit) { $data = array(); $max = 100; foreach($letters as $boundary=>$letter) { $line = array(); $line[] = format_float($max,2).' %'; $line[] = format_float($boundary,2).' %'; $line[] = format_string($letter); $data[] = $line; $max = $boundary - 0.01; } print_grade_page_head($COURSE->id, 'letter', 'view', get_string('gradeletters', 'grades')); if (!empty($override)) { echo $OUTPUT->notification(get_string('gradeletteroverridden', 'grades'), 'notifymessage'); } $stredit = get_string('editgradeletters', 'grades'); $editlink = html_writer::nonempty_tag('div', html_writer::link($returnurl.$editparam, $stredit), array('class'=>'mdl-align')); echo $editlink; $table = new html_table(); $table->id = 'grade-letters-view'; $table->head = array(get_string('max', 'grades'), get_string('min', 'grades'), get_string('letter', 'grades')); $table->size = array('30%', '30%', '40%'); $table->align = array('left', 'left', 'left'); $table->width = '30%'; $table->data = $data; $table->tablealign = 'center'; echo html_writer::table($table); echo $editlink; } else { //else we're editing require_once('edit_form.php'); $data = new stdClass(); $data->id = $context->id; $i = 1; foreach ($letters as $boundary=>$letter) { $gradelettername = 'gradeletter'.$i; $gradeboundaryname = 'gradeboundary'.$i; $data->$gradelettername = $letter; $data->$gradeboundaryname = $boundary; $i++; } $data->override = $override; $mform = new edit_letter_form($returnurl.$editparam, array('num'=>$num, 'admin'=>$admin)); $mform->set_data($data); if ($mform->is_cancelled()) { redirect($returnurl); } else if ($data = $mform->get_data()) { // Make sure we are updating the cache. $cache = cache::make('core', 'grade_letters'); if (!$admin and empty($data->override)) { $records = $DB->get_records('grade_letters', array('contextid' => $context->id)); foreach ($records as $record) { $DB->delete_records('grade_letters', array('id' => $record->id)); // Trigger the letter grade deleted event. $event = \core\event\grade_letter_deleted::create(array( 'objectid' => $record->id, 'context' => $context, )); $event->trigger(); } // Make sure we clear the cache for this context. $cache->delete($context->id); redirect($returnurl); } $letters = array(); for ($i=1; $i < $num+1; $i++) { $gradelettername = 'gradeletter'.$i; $gradeboundaryname = 'gradeboundary'.$i; if (property_exists($data, $gradeboundaryname) and $data->$gradeboundaryname != -1) { $letter = trim($data->$gradelettername); if ($letter == '') { continue; } $boundary = floatval($data->$gradeboundaryname); if ($boundary < 0 || $boundary > 100) { continue; // Skip if out of range. } // The keys need to be strings so floats are not truncated. $letters[number_format($boundary, 5)] = $letter; } } $pool = array(); if ($records = $DB->get_records('grade_letters', array('contextid' => $context->id), 'lowerboundary ASC')) { foreach ($records as $r) { // Will re-use the lowerboundary to avoid duplicate during the update process. $pool[number_format($r->lowerboundary, 5)] = $r; } } foreach ($letters as $boundary => $letter) { $record = new stdClass(); $record->letter = $letter; $record->lowerboundary = $boundary; $record->contextid = $context->id; if (isset($pool[$boundary])) { // Re-use the existing boundary to avoid key constraint. if ($letter != $pool[$boundary]->letter) { // The letter has been assigned to another boundary, we update it. $record->id = $pool[$boundary]->id; $DB->update_record('grade_letters', $record); // Trigger the letter grade updated event. $event = \core\event\grade_letter_updated::create(array( 'objectid' => $record->id, 'context' => $context, )); $event->trigger(); } unset($pool[$boundary]); // Remove the letter from the pool. } else if ($candidate = array_pop($pool)) { // The boundary is new, we update a random record from the pool. $record->id = $candidate->id; $DB->update_record('grade_letters', $record); // Trigger the letter grade updated event. $event = \core\event\grade_letter_updated::create(array( 'objectid' => $record->id, 'context' => $context, )); $event->trigger(); } else { // No records were found, this must be a new letter. $newid = $DB->insert_record('grade_letters', $record); // Trigger the letter grade added event. $event = \core\event\grade_letter_created::create(array( 'objectid' => $newid, 'context' => $context, )); $event->trigger(); } } // Cache the changed letters. if (!empty($letters)) { // For some reason, the cache saves it in the order in which they were entered // but we really want to order them in descending order so we sort it here. krsort($letters); $cache->set($context->id, $letters); } // Delete the unused records. foreach($pool as $leftover) { $DB->delete_records('grade_letters', array('id' => $leftover->id)); // Trigger the letter grade deleted event. $event = \core\event\grade_letter_deleted::create(array( 'objectid' => $leftover->id, 'context' => $context, )); $event->trigger(); } redirect($returnurl); } print_grade_page_head($COURSE->id, 'letter', 'edit', get_string('editgradeletters', 'grades')); $mform->display(); } echo $OUTPUT->footer();