cohort/edit.php

   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  * Cohort related management functions, this file needs to be included manually.
  19  *
  20  * @package    core_cohort
  21  * @copyright  2010 Petr Skoda  {@link http://skodak.org}
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require('../config.php');
  26 require($CFG->dirroot.'/course/lib.php');
  27 require($CFG->dirroot.'/cohort/lib.php');
  28 require($CFG->dirroot.'/cohort/edit_form.php');
  29
  30 $id        = optional_param('id', 0, PARAM_INT);
  31 $contextid = optional_param('contextid', 0, PARAM_INT);
  32 $delete    = optional_param('delete', 0, PARAM_BOOL);
  33 $confirm   = optional_param('confirm', 0, PARAM_BOOL);
  34 $returnurl = optional_param('returnurl', '', PARAM_LOCALURL);
  35
  36 require_login();
  37
  38 $category = null;
  39 if ($id) {
  40     $cohort = $DB->get_record('cohort', array('id'=>$id), '*', MUST_EXIST);
  41     $context = context::instance_by_id($cohort->contextid, MUST_EXIST);
  42 } else {
  43     $context = context::instance_by_id($contextid, MUST_EXIST);
  44     if ($context->contextlevel != CONTEXT_COURSECAT and $context->contextlevel != CONTEXT_SYSTEM) {
  45         print_error('invalidcontext');
  46     }
  47     $cohort = new stdClass();
  48     $cohort->id          = 0;
  49     $cohort->contextid   = $context->id;
  50     $cohort->name        = '';
  51     $cohort->description = '';
  52 }
  53
  54 require_capability('moodle/cohort:manage', $context);
  55
  56 if ($returnurl) {
  57     $returnurl = new moodle_url($returnurl);
  58 } else {
  59     $returnurl = new moodle_url('/cohort/index.php', array('contextid'=>$context->id));
  60 }
  61
  62 if (!empty($cohort->component)) {
  63     // We can not manually edit cohorts that were created by external systems, sorry.
  64     redirect($returnurl);
  65 }
  66
  67 $PAGE->set_context($context);
  68 $baseurl = new moodle_url('/cohort/edit.php', array('contextid' => $context->id, 'id' => $cohort->id));
  69 $PAGE->set_url($baseurl);
  70 $PAGE->set_context($context);
  71 $PAGE->set_pagelayout('admin');
  72
  73 if ($context->contextlevel == CONTEXT_COURSECAT) {
  74     $category = $DB->get_record('course_categories', array('id'=>$context->instanceid), '*', MUST_EXIST);
  75     navigation_node::override_active_url(new moodle_url('/cohort/index.php', array('contextid'=>$cohort->contextid)));
  76
  77 } else {
  78     navigation_node::override_active_url(new moodle_url('/cohort/index.php', array()));
  79 }
  80
  81 if ($delete and $cohort->id) {
  82     $PAGE->url->param('delete', 1);
  83     if ($confirm and confirm_sesskey()) {
  84         cohort_delete_cohort($cohort);
  85         redirect($returnurl);
  86     }
  87     $strheading = get_string('delcohort', 'cohort');
  88     $PAGE->navbar->add($strheading);
  89     $PAGE->set_title($strheading);
  90     $PAGE->set_heading($COURSE->fullname);
  91     echo $OUTPUT->header();
  92     echo $OUTPUT->heading($strheading);
  93     $yesurl = new moodle_url('/cohort/edit.php', array('id' => $cohort->id, 'delete' => 1,
  94         'confirm' => 1, 'sesskey' => sesskey(), 'returnurl' => $returnurl->out_as_local_url()));
  95     $message = get_string('delconfirm', 'cohort', format_string($cohort->name));
  96     echo $OUTPUT->confirm($message, $yesurl, $returnurl);
  97     echo $OUTPUT->footer();
  98     die;
  99 }
 100
 101 $editoroptions = array('maxfiles'=>0, 'context'=>$context);
 102 if ($cohort->id) {
 103     // Edit existing.
 104     $cohort = file_prepare_standard_editor($cohort, 'description', $editoroptions, $context);
 105     $strheading = get_string('editcohort', 'cohort');
 106
 107 } else {
 108     // Add new.
 109     $cohort = file_prepare_standard_editor($cohort, 'description', $editoroptions, $context);
 110     $strheading = get_string('addcohort', 'cohort');
 111 }
 112
 113 $PAGE->set_title($strheading);
 114 $PAGE->set_heading($COURSE->fullname);
 115 $PAGE->navbar->add($strheading);
 116
 117 $editform = new cohort_edit_form(null, array('editoroptions'=>$editoroptions, 'data'=>$cohort, 'returnurl'=>$returnurl));
 118
 119 if ($editform->is_cancelled()) {
 120     redirect($returnurl);
 121
 122 } else if ($data = $editform->get_data()) {
 123     $data = file_postupdate_standard_editor($data, 'description', $editoroptions, $context);
 124
 125     if ($data->id) {
 126         cohort_update_cohort($data);
 127     } else {
 128         cohort_add_cohort($data);
 129     }
 130
 131     if ($returnurl->get_param('showall') || $returnurl->get_param('contextid') == $data->contextid) {
 132         // Redirect to where we were before.
 133         redirect($returnurl);
 134     } else {
 135         // Use new context id, it has been changed.
 136         redirect(new moodle_url('/cohort/index.php', array('contextid' => $data->contextid)));
 137     }
 138 }
 139
 140 echo $OUTPUT->header();
 141 echo $OUTPUT->heading($strheading);
 142
 143 if (!$id && ($editcontrols = cohort_edit_controls($context, $baseurl))) {
 144     echo $OUTPUT->render($editcontrols);
 145 }
 146
 147 echo $editform->display();
 148 echo $OUTPUT->footer();
 149