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 $show      = optional_param('show', 0, PARAM_BOOL);
  34 $hide      = optional_param('hide', 0, PARAM_BOOL);
  35 $confirm   = optional_param('confirm', 0, PARAM_BOOL);
  36 $returnurl = optional_param('returnurl', '', PARAM_LOCALURL);
  37
  38 require_login();
  39
  40 $category = null;
  41 if ($id) {
  42     $cohort = $DB->get_record('cohort', array('id'=>$id), '*', MUST_EXIST);
  43     $context = context::instance_by_id($cohort->contextid, MUST_EXIST);
  44 } else {
  45     $context = context::instance_by_id($contextid, MUST_EXIST);
  46     if ($context->contextlevel != CONTEXT_COURSECAT and $context->contextlevel != CONTEXT_SYSTEM) {
  47         print_error('invalidcontext');
  48     }
  49     $cohort = new stdClass();
  50     $cohort->id          = 0;
  51     $cohort->contextid   = $context->id;
  52     $cohort->name        = '';
  53     $cohort->description = '';
  54 }
  55
  56 require_capability('moodle/cohort:manage', $context);
  57
  58 if ($returnurl) {
  59     $returnurl = new moodle_url($returnurl);
  60 } else {
  61     $returnurl = new moodle_url('/cohort/index.php', array('contextid'=>$context->id));
  62 }
  63
  64 if (!empty($cohort->component)) {
  65     // We can not manually edit cohorts that were created by external systems, sorry.
  66     redirect($returnurl);
  67 }
  68
  69 $PAGE->set_context($context);
  70 $baseurl = new moodle_url('/cohort/edit.php', array('contextid' => $context->id, 'id' => $cohort->id));
  71 $PAGE->set_url($baseurl);
  72 $PAGE->set_context($context);
  73 $PAGE->set_pagelayout('admin');
  74
  75 if ($context->contextlevel == CONTEXT_COURSECAT) {
  76     $category = $DB->get_record('course_categories', array('id'=>$context->instanceid), '*', MUST_EXIST);
  77     navigation_node::override_active_url(new moodle_url('/cohort/index.php', array('contextid'=>$cohort->contextid)));
  78
  79 } else {
  80     navigation_node::override_active_url(new moodle_url('/cohort/index.php', array()));
  81 }
  82
  83 if ($delete and $cohort->id) {
  84     $PAGE->url->param('delete', 1);
  85     if ($confirm and confirm_sesskey()) {
  86         cohort_delete_cohort($cohort);
  87         redirect($returnurl);
  88     }
  89     $strheading = get_string('delcohort', 'cohort');
  90     $PAGE->navbar->add($strheading);
  91     $PAGE->set_title($strheading);
  92     $PAGE->set_heading($COURSE->fullname);
  93     echo $OUTPUT->header();
  94     echo $OUTPUT->heading($strheading);
  95     $yesurl = new moodle_url('/cohort/edit.php', array('id' => $cohort->id, 'delete' => 1,
  96         'confirm' => 1, 'sesskey' => sesskey(), 'returnurl' => $returnurl->out_as_local_url()));
  97     $message = get_string('delconfirm', 'cohort', format_string($cohort->name));
  98     echo $OUTPUT->confirm($message, $yesurl, $returnurl);
  99     echo $OUTPUT->footer();
 100     die;
 101 }
 102
 103 if ($show && $cohort->id && confirm_sesskey()) {
 104     if (!$cohort->visible) {
 105         $record = (object)array('id' => $cohort->id, 'visible' => 1, 'contextid' => $cohort->contextid);
 106         cohort_update_cohort($record);
 107     }
 108     redirect($returnurl);
 109 }
 110
 111 if ($hide && $cohort->id && confirm_sesskey()) {
 112     if ($cohort->visible) {
 113         $record = (object)array('id' => $cohort->id, 'visible' => 0, 'contextid' => $cohort->contextid);
 114         cohort_update_cohort($record);
 115     }
 116     redirect($returnurl);
 117 }
 118
 119 $editoroptions = array('maxfiles' => EDITOR_UNLIMITED_FILES,
 120     'maxbytes' => $SITE->maxbytes, 'context' => $context);
 121 if ($cohort->id) {
 122     // Edit existing.
 123     $cohort = file_prepare_standard_editor($cohort, 'description', $editoroptions,
 124             $context, 'cohort', 'description', $cohort->id);
 125     $strheading = get_string('editcohort', 'cohort');
 126
 127 } else {
 128     // Add new.
 129     $cohort = file_prepare_standard_editor($cohort, 'description', $editoroptions,
 130             $context, 'cohort', 'description', null);
 131     $strheading = get_string('addcohort', 'cohort');
 132 }
 133
 134 $PAGE->set_title($strheading);
 135 $PAGE->set_heading($COURSE->fullname);
 136 $PAGE->navbar->add($strheading);
 137
 138 $editform = new cohort_edit_form(null, array('editoroptions'=>$editoroptions, 'data'=>$cohort, 'returnurl'=>$returnurl));
 139
 140 if ($editform->is_cancelled()) {
 141     redirect($returnurl);
 142
 143 } else if ($data = $editform->get_data()) {
 144     $oldcontextid = $context->id;
 145     $editoroptions['context'] = $context = context::instance_by_id($data->contextid);
 146
 147     if ($data->id) {
 148         if ($data->contextid != $oldcontextid) {
 149             // Cohort was moved to another context.
 150             get_file_storage()->move_area_files_to_new_context($oldcontextid, $context->id,
 151                     'cohort', 'description', $data->id);
 152         }
 153         $data = file_postupdate_standard_editor($data, 'description', $editoroptions,
 154                 $context, 'cohort', 'description', $data->id);
 155         cohort_update_cohort($data);
 156     } else {
 157         $data->descriptionformat = $data->description_editor['format'];
 158         $data->description = $description = $data->description_editor['text'];
 159         $data->id = cohort_add_cohort($data);
 160         $editoroptions['context'] = $context = context::instance_by_id($data->contextid);
 161         $data = file_postupdate_standard_editor($data, 'description', $editoroptions,
 162                 $context, 'cohort', 'description', $data->id);
 163         if ($description != $data->description) {
 164             $updatedata = (object)array('id' => $data->id,
 165                 'description' => $data->description, 'contextid' => $context->id);
 166             cohort_update_cohort($updatedata);
 167         }
 168     }
 169
 170     if ($returnurl->get_param('showall') || $returnurl->get_param('contextid') == $data->contextid) {
 171         // Redirect to where we were before.
 172         redirect($returnurl);
 173     } else {
 174         // Use new context id, it has been changed.
 175         redirect(new moodle_url('/cohort/index.php', array('contextid' => $data->contextid)));
 176     }
 177 }
 178
 179 echo $OUTPUT->header();
 180 echo $OUTPUT->heading($strheading);
 181
 182 if (!$id && ($editcontrols = cohort_edit_controls($context, $baseurl))) {
 183     echo $OUTPUT->render($editcontrols);
 184 }
 185
 186 echo $editform->display();
 187 echo $OUTPUT->footer();
 188