/enrol/instances.php
PHP | 244 lines | 176 code | 36 blank | 32 comment | 46 complexity | b2dda04b6f2c0b8d15ba9e67bbc211f2 MD5 | raw file
- <?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/>.
- /**
- * Main course enrolment management UI.
- *
- * @package core
- * @subpackage enrol
- * @copyright 2010 Petr Skoda {@link http://skodak.org}
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
- require('../config.php');
- $id = required_param('id', PARAM_INT); // course id
- $action = optional_param('action', '', PARAM_ALPHANUMEXT);
- $instanceid = optional_param('instance', 0, PARAM_INT);
- $confirm = optional_param('confirm', 0, PARAM_BOOL);
- $course = $DB->get_record('course', array('id'=>$id), '*', MUST_EXIST);
- $context = context_course::instance($course->id, MUST_EXIST);
- if ($course->id == SITEID) {
- redirect("$CFG->wwwroot/");
- }
- require_login($course);
- require_capability('moodle/course:enrolreview', $context);
- $canconfig = has_capability('moodle/course:enrolconfig', $context);
- $PAGE->set_url('/enrol/instances.php', array('id'=>$course->id));
- $PAGE->set_pagelayout('admin');
- $PAGE->set_title(get_string('enrolmentinstances', 'enrol'));
- $PAGE->set_heading($course->fullname);
- $instances = enrol_get_instances($course->id, false);
- $plugins = enrol_get_plugins(false);
- if ($canconfig and $action and confirm_sesskey()) {
- if (isset($instances[$instanceid]) and isset($plugins[$instances[$instanceid]->enrol])) {
- if ($action === 'up') {
- $order = array_keys($instances);
- $order = array_flip($order);
- $pos = $order[$instanceid];
- if ($pos > 0) {
- $switch = $pos - 1;
- $resorted = array_values($instances);
- $temp = $resorted[$pos];
- $resorted[$pos] = $resorted[$switch];
- $resorted[$switch] = $temp;
- // now update db sortorder
- foreach ($resorted as $sortorder=>$instance) {
- if ($instance->sortorder != $sortorder) {
- $instance->sortorder = $sortorder;
- $DB->update_record('enrol', $instance);
- }
- }
- }
- redirect($PAGE->url);
- } else if ($action === 'down') {
- $order = array_keys($instances);
- $order = array_flip($order);
- $pos = $order[$instanceid];
- if ($pos < count($instances) - 1) {
- $switch = $pos + 1;
- $resorted = array_values($instances);
- $temp = $resorted[$pos];
- $resorted[$pos] = $resorted[$switch];
- $resorted[$switch] = $temp;
- // now update db sortorder
- foreach ($resorted as $sortorder=>$instance) {
- if ($instance->sortorder != $sortorder) {
- $instance->sortorder = $sortorder;
- $DB->update_record('enrol', $instance);
- }
- }
- }
- redirect($PAGE->url);
- } else if ($action === 'delete') {
- $instance = $instances[$instanceid];
- $plugin = $plugins[$instance->enrol];
- if ($confirm) {
- $plugin->delete_instance($instance);
- redirect($PAGE->url);
- }
- echo $OUTPUT->header();
- $yesurl = new moodle_url('/enrol/instances.php', array('id'=>$course->id, 'action'=>'delete', 'instance'=>$instance->id, 'confirm'=>1,'sesskey'=>sesskey()));
- $displayname = $plugin->get_instance_name($instance);
- $users = $DB->count_records('user_enrolments', array('enrolid'=>$instance->id));
- if ($users) {
- $message = markdown_to_html(get_string('deleteinstanceconfirm', 'enrol', array('name'=>$displayname, 'users'=>$users)));
- } else {
- $message = markdown_to_html(get_string('deleteinstancenousersconfirm', 'enrol', array('name'=>$displayname)));
- }
- echo $OUTPUT->confirm($message, $yesurl, $PAGE->url);
- echo $OUTPUT->footer();
- die();
- } else if ($action === 'disable') {
- $instance = $instances[$instanceid];
- $plugin = $plugins[$instance->enrol];
- if ($instance->status != ENROL_INSTANCE_DISABLED) {
- $plugin->update_status($instance, ENROL_INSTANCE_DISABLED);
- redirect($PAGE->url);
- }
- } else if ($action === 'enable') {
- $instance = $instances[$instanceid];
- $plugin = $plugins[$instance->enrol];
- if ($instance->status != ENROL_INSTANCE_ENABLED) {
- $plugin->update_status($instance, ENROL_INSTANCE_ENABLED);
- redirect($PAGE->url);
- }
- }
- }
- }
- echo $OUTPUT->header();
- echo $OUTPUT->heading(get_string('enrolmentinstances', 'enrol'));
- echo $OUTPUT->box_start('generalbox boxaligncenter boxwidthnormal');
- // display strings
- $strup = get_string('up');
- $strdown = get_string('down');
- $strdelete = get_string('delete');
- $strenable = get_string('enable');
- $strdisable = get_string('disable');
- $strmanage = get_string('manageinstance', 'enrol');
- $table = new html_table();
- $table->head = array(get_string('name'), get_string('users'), $strup.'/'.$strdown, get_string('edit'));
- $table->align = array('left', 'center', 'center', 'center');
- $table->width = '100%';
- $table->data = array();
- // iterate through enrol plugins and add to the display table
- $updowncount = 1;
- $icount = count($instances);
- $url = new moodle_url('/enrol/instances.php', array('sesskey'=>sesskey(), 'id'=>$course->id));
- foreach ($instances as $instance) {
- if (!isset($plugins[$instance->enrol])) {
- continue;
- }
- $plugin = $plugins[$instance->enrol];
- $displayname = $plugin->get_instance_name($instance);
- if (!enrol_is_enabled($instance->enrol) or $instance->status != ENROL_INSTANCE_ENABLED) {
- $displayname = html_writer::tag('span', $displayname, array('class'=>'dimmed_text'));
- }
- $users = $DB->count_records('user_enrolments', array('enrolid'=>$instance->id));
- $updown = array();
- $edit = array();
- if ($canconfig) {
- // up/down link
- $updown = '';
- if ($updowncount > 1) {
- $aurl = new moodle_url($url, array('action'=>'up', 'instance'=>$instance->id));
- $updown[] = html_writer::link($aurl, html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('t/up'), 'alt'=>$strup, 'class'=>'smallicon')));
- } else {
- $updown[] = html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('spacer'), 'alt'=>'', 'class'=>'smallicon'));
- }
- if ($updowncount < $icount) {
- $aurl = new moodle_url($url, array('action'=>'down', 'instance'=>$instance->id));
- $updown[] = html_writer::link($aurl, html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('t/down'), 'alt'=>$strdown, 'class'=>'smallicon')));
- } else {
- $updown[] = html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('spacer'), 'alt'=>'', 'class'=>'smallicon'));
- }
- ++$updowncount;
- // edit links
- if ($plugin->instance_deleteable($instance)) {
- $aurl = new moodle_url($url, array('action'=>'delete', 'instance'=>$instance->id));
- $edit[] = html_writer::link($aurl, html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('t/delete'), 'alt'=>$strdelete, 'class'=>'smallicon')));
- }
- if (enrol_is_enabled($instance->enrol)) {
- if ($instance->status == ENROL_INSTANCE_ENABLED) {
- $aurl = new moodle_url($url, array('action'=>'disable', 'instance'=>$instance->id));
- $edit[] = html_writer::link($aurl, html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('t/hide'), 'alt'=>$strdisable, 'class'=>'smallicon')));
- } else if ($instance->status == ENROL_INSTANCE_DISABLED) {
- $aurl = new moodle_url($url, array('action'=>'enable', 'instance'=>$instance->id));
- $edit[] = html_writer::link($aurl, html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('t/show'), 'alt'=>$strenable, 'class'=>'smallicon')));
- } else {
- // plugin specific state - do not mess with it!
- $edit[] = html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('t/show'), 'alt'=>'', 'class'=>'smallicon'));
- }
- }
- }
- // link to instance management
- if (enrol_is_enabled($instance->enrol)) {
- if ($icons = $plugin->get_action_icons($instance)) {
- $edit = array_merge($edit, $icons);
- }
- }
- // add a row to the table
- $table->data[] = array($displayname, $users, implode(' ', $updown), implode(' ', $edit));
- }
- echo html_writer::table($table);
- // access security is in each plugin
- $candidates = array();
- foreach (enrol_get_plugins(true) as $name=>$plugin) {
- if (!$link = $plugin->get_newinstance_link($course->id)) {
- continue;
- }
- $candidates[$link->out(false)] = get_string('pluginname', 'enrol_'.$name);
- }
- if ($candidates) {
- $select = new url_select($candidates);
- $select->set_label(get_string('addinstance', 'enrol'));
- echo $OUTPUT->render($select);
- }
- echo $OUTPUT->box_end();
- echo $OUTPUT->footer();