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