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
  35 require_login();
  36
  37 $category = null;
  38 if ($id) {
  39     $cohort = $DB->get_record('cohort', array('id'=>$id), '*', MUST_EXIST);
  40     $context = context::instance_by_id($cohort->contextid, MUST_EXIST);
  41 } else {
  42     $context = context::instance_by_id($contextid, MUST_EXIST);
  43     if ($context->contextlevel != CONTEXT_COURSECAT and $context->contextlevel != CONTEXT_SYSTEM) {
  44         print_error('invalidcontext');
  45     }
  46     $cohort = new stdClass();
  47     $cohort->id          = 0;
  48     $cohort->contextid   = $context->id;
  49     $cohort->name        = '';
  50     $cohort->description = '';
  51 }
  52
  53 require_capability('moodle/cohort:manage', $context);
  54
  55 $returnurl = new moodle_url('/cohort/index.php', array('contextid'=>$context->id));
  56
  57 if (!empty($cohort->component)) {
  58     // We can not manually edit cohorts that were created by external systems, sorry.
  59     redirect($returnurl);
  60 }
  61
  62 $PAGE->set_context($context);
  63 $PAGE->set_url('/cohort/edit.php', array('contextid'=>$context->id, 'id'=>$cohort->id));
  64 $PAGE->set_context($context);
  65 $PAGE->set_pagelayout('admin');
  66
  67 if ($context->contextlevel == CONTEXT_COURSECAT) {
  68     $category = $DB->get_record('course_categories', array('id'=>$context->instanceid), '*', MUST_EXIST);
  69     navigation_node::override_active_url(new moodle_url('/cohort/index.php', array('contextid'=>$cohort->contextid)));
  70
  71 } else {
  72     navigation_node::override_active_url(new moodle_url('/cohort/index.php', array()));
  73 }
  74
  75 if ($delete and $cohort->id) {
  76     $PAGE->url->param('delete', 1);
  77     if ($confirm and confirm_sesskey()) {
  78         cohort_delete_cohort($cohort);
  79         redirect($returnurl);
  80     }
  81     $strheading = get_string('delcohort', 'cohort');
  82     $PAGE->navbar->add($strheading);
  83     $PAGE->set_title($strheading);
  84     $PAGE->set_heading($COURSE->fullname);
  85     echo $OUTPUT->header();
  86     echo $OUTPUT->heading($strheading);
  87     $yesurl = new moodle_url('/cohort/edit.php', array('id'=>$cohort->id, 'delete'=>1, 'confirm'=>1,'sesskey'=>sesskey()));
  88     $message = get_string('delconfirm', 'cohort', format_string($cohort->name));
  89     echo $OUTPUT->confirm($message, $yesurl, $returnurl);
  90     echo $OUTPUT->footer();
  91     die;
  92 }
  93
  94 $editoroptions = array('maxfiles'=>0, 'context'=>$context);
  95 if ($cohort->id) {
  96     // Edit existing.
  97     $cohort = file_prepare_standard_editor($cohort, 'description', $editoroptions, $context);
  98     $strheading = get_string('editcohort', 'cohort');
  99
 100 } else {
 101     // Add new.
 102     $cohort = file_prepare_standard_editor($cohort, 'description', $editoroptions, $context);
 103     $strheading = get_string('addcohort', 'cohort');
 104 }
 105
 106 $PAGE->set_title($strheading);
 107 $PAGE->set_heading($COURSE->fullname);
 108 $PAGE->navbar->add($strheading);
 109
 110 $editform = new cohort_edit_form(null, array('editoroptions'=>$editoroptions, 'data'=>$cohort));
 111
 112 if ($editform->is_cancelled()) {
 113     redirect($returnurl);
 114
 115 } else if ($data = $editform->get_data()) {
 116     $data = file_postupdate_standard_editor($data, 'description', $editoroptions, $context);
 117
 118     if ($data->id) {
 119         cohort_update_cohort($data);
 120     } else {
 121         cohort_add_cohort($data);
 122     }
 123
 124     // Use new context id, it could have been changed.
 125     redirect(new moodle_url('/cohort/index.php', array('contextid'=>$data->contextid)));
 126 }
 127
 128 echo $OUTPUT->header();
 129 echo $OUTPUT->heading($strheading);
 130 echo $editform->display();
 131 echo $OUTPUT->footer();
 132