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efrain |
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<?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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/**
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* Main course enrolment management UI.
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*
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* @package core_enrol
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* @copyright 2010 Petr Skoda {@link http://skodak.org}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require('../config.php');
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$id = required_param('id', PARAM_INT); // course id
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$action = optional_param('action', '', PARAM_ALPHANUMEXT);
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$instanceid = optional_param('instance', 0, PARAM_INT);
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$confirm = optional_param('confirm', 0, PARAM_BOOL);
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$confirm2 = optional_param('confirm2', 0, PARAM_BOOL);
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$course = $DB->get_record('course', array('id'=>$id), '*', MUST_EXIST);
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$context = context_course::instance($course->id, MUST_EXIST);
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if ($course->id == SITEID) {
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redirect("$CFG->wwwroot/");
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}
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require_login($course);
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require_capability('moodle/course:enrolreview', $context);
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$canconfig = has_capability('moodle/course:enrolconfig', $context);
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$PAGE->set_url('/enrol/instances.php', array('id'=>$course->id));
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$PAGE->set_pagelayout('admin');
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$PAGE->set_title(get_string('enrolmentinstances', 'enrol'));
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$PAGE->set_heading($course->fullname);
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$instances = enrol_get_instances($course->id, false);
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$plugins = enrol_get_plugins(false);
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if ($canconfig and $action and confirm_sesskey()) {
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if (isset($instances[$instanceid]) and isset($plugins[$instances[$instanceid]->enrol])) {
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if ($action === 'up') {
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$order = array_keys($instances);
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$order = array_flip($order);
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$pos = $order[$instanceid];
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if ($pos > 0) {
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$switch = $pos - 1;
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$resorted = array_values($instances);
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$temp = $resorted[$pos];
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$resorted[$pos] = $resorted[$switch];
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$resorted[$switch] = $temp;
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// now update db sortorder
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foreach ($resorted as $sortorder=>$instance) {
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if ($instance->sortorder != $sortorder) {
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$instance->sortorder = $sortorder;
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$DB->update_record('enrol', $instance);
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}
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}
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}
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redirect($PAGE->url);
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} else if ($action === 'down') {
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$order = array_keys($instances);
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$order = array_flip($order);
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$pos = $order[$instanceid];
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if ($pos < count($instances) - 1) {
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$switch = $pos + 1;
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$resorted = array_values($instances);
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$temp = $resorted[$pos];
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$resorted[$pos] = $resorted[$switch];
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$resorted[$switch] = $temp;
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// now update db sortorder
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foreach ($resorted as $sortorder=>$instance) {
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if ($instance->sortorder != $sortorder) {
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$instance->sortorder = $sortorder;
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$DB->update_record('enrol', $instance);
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}
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}
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}
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redirect($PAGE->url);
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} else if ($action === 'delete') {
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$instance = $instances[$instanceid];
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$plugin = $plugins[$instance->enrol];
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if ($plugin->can_delete_instance($instance)) {
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if ($confirm) {
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if (enrol_accessing_via_instance($instance)) {
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if (!$confirm2) {
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$yesurl = new moodle_url('/enrol/instances.php',
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array('id' => $course->id,
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'action' => 'delete',
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'instance' => $instance->id,
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'confirm' => 1,
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'confirm2' => 1,
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'sesskey' => sesskey()));
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$displayname = $plugin->get_instance_name($instance);
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$message = markdown_to_html(get_string('deleteinstanceconfirmself',
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'enrol',
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array('name' => $displayname)));
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echo $OUTPUT->header();
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echo $OUTPUT->confirm($message, $yesurl, $PAGE->url);
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echo $OUTPUT->footer();
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die();
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}
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}
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$plugin->delete_instance($instance);
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redirect($PAGE->url);
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}
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echo $OUTPUT->header();
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$yesurl = new moodle_url('/enrol/instances.php',
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array('id' => $course->id,
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'action' => 'delete',
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'instance' => $instance->id,
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'confirm' => 1,
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'sesskey' => sesskey()));
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$displayname = $plugin->get_instance_name($instance);
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$users = $DB->count_records('user_enrolments', array('enrolid' => $instance->id));
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if ($users) {
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$message = markdown_to_html(get_string('deleteinstanceconfirm', 'enrol',
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array('name' => $displayname,
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'users' => $users)));
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} else {
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$message = markdown_to_html(get_string('deleteinstancenousersconfirm', 'enrol',
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array('name' => $displayname)));
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}
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echo $OUTPUT->confirm($message, $yesurl, $PAGE->url);
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echo $OUTPUT->footer();
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die();
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}
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} else if ($action === 'disable') {
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$instance = $instances[$instanceid];
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$plugin = $plugins[$instance->enrol];
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if ($plugin->can_hide_show_instance($instance)) {
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if ($instance->status != ENROL_INSTANCE_DISABLED) {
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if (enrol_accessing_via_instance($instance)) {
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if (!$confirm2) {
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$yesurl = new moodle_url('/enrol/instances.php',
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array('id' => $course->id,
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'action' => 'disable',
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'instance' => $instance->id,
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'confirm2' => 1,
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'sesskey' => sesskey()));
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$displayname = $plugin->get_instance_name($instance);
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$message = markdown_to_html(get_string('disableinstanceconfirmself',
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'enrol',
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array('name' => $displayname)));
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echo $OUTPUT->header();
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echo $OUTPUT->confirm($message, $yesurl, $PAGE->url);
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echo $OUTPUT->footer();
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die();
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}
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}
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$plugin->update_status($instance, ENROL_INSTANCE_DISABLED);
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redirect($PAGE->url);
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}
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}
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} else if ($action === 'enable') {
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$instance = $instances[$instanceid];
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$plugin = $plugins[$instance->enrol];
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if ($plugin->can_hide_show_instance($instance)) {
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if ($instance->status != ENROL_INSTANCE_ENABLED) {
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$plugin->update_status($instance, ENROL_INSTANCE_ENABLED);
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redirect($PAGE->url);
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}
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}
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}
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}
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}
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echo $OUTPUT->header();
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echo $OUTPUT->render_participants_tertiary_nav($course);
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echo $OUTPUT->box_start('generalbox boxaligncenter boxwidthnormal');
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// display strings
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$strup = get_string('up');
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$strdown = get_string('down');
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$strdelete = get_string('delete');
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$strenable = get_string('enable');
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$strdisable = get_string('disable');
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$strmanage = get_string('manageinstance', 'enrol');
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$table = new html_table();
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$table->head = array(get_string('name'), get_string('users'), $strup.'/'.$strdown, get_string('edit'));
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$table->align = array('left', 'center', 'center', 'center');
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$table->width = '100%';
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$table->data = array();
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// iterate through enrol plugins and add to the display table
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$updowncount = 1;
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$icount = count($instances);
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$url = new moodle_url('/enrol/instances.php', array('sesskey'=>sesskey(), 'id'=>$course->id));
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foreach ($instances as $instance) {
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if (!isset($plugins[$instance->enrol])) {
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continue;
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}
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$plugin = $plugins[$instance->enrol];
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$displayname = $plugin->get_instance_name($instance);
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if (!enrol_is_enabled($instance->enrol) or $instance->status != ENROL_INSTANCE_ENABLED) {
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$displayname = html_writer::tag('span', $displayname, array('class'=>'dimmed_text'));
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}
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$users = $DB->count_records('user_enrolments', array('enrolid'=>$instance->id));
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$updown = array();
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$edit = array();
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if ($canconfig) {
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if ($updowncount > 1) {
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$aurl = new moodle_url($url, array('action'=>'up', 'instance'=>$instance->id));
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$updown[] = $OUTPUT->action_icon($aurl, new pix_icon('t/up', $strup, 'core', array('class' => 'iconsmall')));
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} else {
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$updown[] = $OUTPUT->spacer();
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}
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if ($updowncount < $icount) {
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$aurl = new moodle_url($url, array('action'=>'down', 'instance'=>$instance->id));
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$updown[] = $OUTPUT->action_icon($aurl, new pix_icon('t/down', $strdown, 'core', array('class' => 'iconsmall')));
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} else {
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$updown[] = $OUTPUT->spacer();
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}
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++$updowncount;
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if ($plugin->can_delete_instance($instance)) {
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$aurl = new moodle_url($url, array('action'=>'delete', 'instance'=>$instance->id));
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$edit[] = $OUTPUT->action_icon($aurl, new pix_icon('t/delete', $strdelete, 'core', array('class' => 'iconsmall')));
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}
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if (enrol_is_enabled($instance->enrol) && $plugin->can_hide_show_instance($instance)) {
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if ($instance->status == ENROL_INSTANCE_ENABLED) {
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$aurl = new moodle_url($url, array('action'=>'disable', 'instance'=>$instance->id));
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$edit[] = $OUTPUT->action_icon($aurl, new pix_icon('t/hide', $strdisable, 'core', array('class' => 'iconsmall')));
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} else if ($instance->status == ENROL_INSTANCE_DISABLED) {
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$aurl = new moodle_url($url, array('action'=>'enable', 'instance'=>$instance->id));
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$edit[] = $OUTPUT->action_icon($aurl, new pix_icon('t/show', $strenable, 'core', array('class' => 'iconsmall')));
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} else {
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// plugin specific state - do not mess with it!
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$edit[] = $OUTPUT->pix_icon('t/show', get_string('show'));
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}
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}
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}
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// link to instance management
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if (enrol_is_enabled($instance->enrol) && $canconfig) {
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if ($icons = $plugin->get_action_icons($instance)) {
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$edit = array_merge($edit, $icons);
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}
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}
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// Add a row to the table.
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$table->data[] = array($displayname, $users, implode('', $updown), implode('', $edit));
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}
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echo html_writer::table($table);
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// access security is in each plugin
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$candidates = array();
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foreach (enrol_get_plugins(true) as $name=>$plugin) {
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if ($plugin->use_standard_editing_ui()) {
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if ($plugin->can_add_instance($course->id)) {
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// Standard add/edit UI.
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$params = array('type' => $name, 'courseid' => $course->id);
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$url = new moodle_url('/enrol/editinstance.php', $params);
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$link = $url->out(false);
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$candidates[$link] = get_string('pluginname', 'enrol_'.$name);
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}
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} else if ($url = $plugin->get_newinstance_link($course->id)) {
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// Old custom UI.
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$link = $url->out(false);
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$candidates[$link] = get_string('pluginname', 'enrol_'.$name);
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}
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}
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if ($candidates) {
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$select = new url_select($candidates);
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$select->set_label(get_string('addinstance', 'enrol'));
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echo $OUTPUT->render($select);
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}
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echo $OUTPUT->box_end();
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echo $OUTPUT->footer();
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