cohort/assign.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_once($CFG->dirroot.'/cohort/locallib.php');
  27
  28 $id = required_param('id', PARAM_INT);
  29 $returnurl = optional_param('returnurl', '', PARAM_LOCALURL);
  30
  31 require_login();
  32
  33 $cohort = $DB->get_record('cohort', array('id'=>$id), '*', MUST_EXIST);
  34 $context = context::instance_by_id($cohort->contextid, MUST_EXIST);
  35
  36 require_capability('moodle/cohort:assign', $context);
  37
  38 $PAGE->set_context($context);
  39 $PAGE->set_url('/cohort/assign.php', array('id'=>$id));
  40 $PAGE->set_pagelayout('admin');
  41
  42 if ($returnurl) {
  43     $returnurl = new moodle_url($returnurl);
  44 } else {
  45     $returnurl = new moodle_url('/cohort/index.php', array('contextid' => $cohort->contextid));
  46 }
  47
  48 if (!empty($cohort->component)) {
  49     // We can not manually edit cohorts that were created by external systems, sorry.
  50     redirect($returnurl);
  51 }
  52
  53 if (optional_param('cancel', false, PARAM_BOOL)) {
  54     redirect($returnurl);
  55 }
  56
  57 if ($context->contextlevel == CONTEXT_COURSECAT) {
  58     $category = $DB->get_record('course_categories', array('id'=>$context->instanceid), '*', MUST_EXIST);
  59     navigation_node::override_active_url(new moodle_url('/cohort/index.php', array('contextid'=>$cohort->contextid)));
  60 } else {
  61     navigation_node::override_active_url(new moodle_url('/cohort/index.php', array()));
  62 }
  63 $PAGE->navbar->add(get_string('assign', 'cohort'));
  64
  65 $PAGE->set_title(get_string('assigncohorts', 'cohort'));
  66 $PAGE->set_heading($COURSE->fullname);
  67
  68 echo $OUTPUT->header();
  69 echo $OUTPUT->heading(get_string('assignto', 'cohort', format_string($cohort->name)));
  70
  71 echo $OUTPUT->notification(get_string('removeuserwarning', 'core_cohort'));
  72
  73 // Get the user_selector we will need.
  74 $potentialuserselector = new cohort_candidate_selector('addselect', array('cohortid'=>$cohort->id, 'accesscontext'=>$context));
  75 $existinguserselector = new cohort_existing_selector('removeselect', array('cohortid'=>$cohort->id, 'accesscontext'=>$context));
  76
  77 // Process incoming user assignments to the cohort
  78
  79 if (optional_param('add', false, PARAM_BOOL) && confirm_sesskey()) {
  80     $userstoassign = $potentialuserselector->get_selected_users();
  81     if (!empty($userstoassign)) {
  82
  83         foreach ($userstoassign as $adduser) {
  84             cohort_add_member($cohort->id, $adduser->id);
  85         }
  86
  87         $potentialuserselector->invalidate_selected_users();
  88         $existinguserselector->invalidate_selected_users();
  89     }
  90 }
  91
  92 // Process removing user assignments to the cohort
  93 if (optional_param('remove', false, PARAM_BOOL) && confirm_sesskey()) {
  94     $userstoremove = $existinguserselector->get_selected_users();
  95     if (!empty($userstoremove)) {
  96         foreach ($userstoremove as $removeuser) {
  97             cohort_remove_member($cohort->id, $removeuser->id);
  98         }
  99         $potentialuserselector->invalidate_selected_users();
 100         $existinguserselector->invalidate_selected_users();
 101     }
 102 }
 103
 104 // Print the form.
 105 ?>
 106 <form id="assignform" method="post" action="<?php echo $PAGE->url ?>"><div>
 107   <input type="hidden" name="sesskey" value="<?php echo sesskey() ?>" />
 108   <input type="hidden" name="returnurl" value="<?php echo $returnurl->out_as_local_url() ?>" />
 109
 110   <table summary="" class="generaltable generalbox boxaligncenter" cellspacing="0">
 111     <tr>
 112       <td id="existingcell">
 113           <p><label for="removeselect"><?php print_string('currentusers', 'cohort'); ?></label></p>
 114           <?php $existinguserselector->display() ?>
 115       </td>
 116       <td id="buttonscell">
 117           <div id="addcontrols">
 118               <input name="add" id="add" type="submit" value="<?php echo $OUTPUT->larrow().'&nbsp;'.s(get_string('add')); ?>" title="<?php p(get_string('add')); ?>" /><br />
 119           </div>
 120
 121           <div id="removecontrols">
 122               <input name="remove" id="remove" type="submit" value="<?php echo s(get_string('remove')).'&nbsp;'.$OUTPUT->rarrow(); ?>" title="<?php p(get_string('remove')); ?>" />
 123           </div>
 124       </td>
 125       <td id="potentialcell">
 126           <p><label for="addselect"><?php print_string('potusers', 'cohort'); ?></label></p>
 127           <?php $potentialuserselector->display() ?>
 128       </td>
 129     </tr>
 130     <tr><td colspan="3" id='backcell'>
 131       <input type="submit" name="cancel" value="<?php p(get_string('backtocohorts', 'cohort')); ?>" />
 132     </td></tr>
 133   </table>
 134 </div></form>
 135
 136 <?php
 137
 138 echo $OUTPUT->footer();