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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Cohort related management functions, this file needs to be included manually.
*
* @package moodlecore
* @subpackage cohort
* @copyright 2010 Petr Skoda (info@skodak.org)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../config.php');
require_once($CFG->dirroot.'/cohort/lib.php');
$id = required_param('id', PARAM_INT);
require_login();
$cohort = $DB->get_record('cohort', array('id'=>$id), '*', MUST_EXIST);
$context = get_context_instance_by_id($cohort->contextid, MUST_EXIST);
require_capability('moodle/cohort:assign', $context);
$PAGE->set_context($context);
$PAGE->set_url('/cohort/assign.php', array('id'=>$id));
$returnurl = new moodle_url('/cohort/index.php', array('contextid'=>$cohort->contextid));
if (!empty($cohort->component)) {
// we can not manually edit cohorts that were created by external systems, sorry
redirect($returnurl);
}
if (optional_param('cancel', false, PARAM_BOOL)) {
redirect($returnurl);
}
if ($context->contextlevel == CONTEXT_COURSECAT) {
$category = $DB->get_record('course_categories', array('id'=>$context->instanceid), '*', MUST_EXIST);
$PAGE->navbar->add($category->name, new moodle_url('/course/index.php', array('categoryedit'=>'1')));
}
$PAGE->navbar->add(get_string('cohorts', 'cohort'), new moodle_url('/cohort/', array('contextid'=>$context->id)));
$PAGE->navbar->add(get_string('assign', 'cohort'));
$PAGE->set_title(get_string('cohort:assign', 'cohort'));
$PAGE->set_heading($COURSE->fullname);
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('assignto', 'cohort', format_string($cohort->name)));
// Get the user_selector we will need.
$potentialuserselector = new cohort_candidate_selector('addselect', array('cohortid'=>$cohort->id));
$existinguserselector = new cohort_existing_selector('removeselect', array('cohortid'=>$cohort->id));
// Process incoming user assignments to the cohort
if (optional_param('add', false, PARAM_BOOL) && confirm_sesskey()) {
$userstoassign = $potentialuserselector->get_selected_users();
if (!empty($userstoassign)) {
foreach ($userstoassign as $adduser) {
// no duplicates please
if (!$DB->record_exists('cohort_members', array('cohortid'=>$cohort->id, 'userid'=>$adduser->id))) {
cohort_add_member($cohort->id, $adduser->id);
}
}
$potentialuserselector->invalidate_selected_users();
$existinguserselector->invalidate_selected_users();
}
}
// Process removing user assignments to the cohort
if (optional_param('remove', false, PARAM_BOOL) && confirm_sesskey()) {
$userstoremove = $existinguserselector->get_selected_users();
if (!empty($userstoremove)) {
foreach ($userstoremove as $removeuser) {
cohort_remove_member($cohort->id, $removeuser->id);
}
$potentialuserselector->invalidate_selected_users();
$existinguserselector->invalidate_selected_users();
}
}
// Print the form.
?>
<form id="assignform" method="post" action="<?php echo $PAGE->url ?>"><div>
<input type="hidden" name="sesskey" value="<?php echo sesskey() ?>" />
<table summary="" class="generaltable generalbox boxaligncenter" cellspacing="0">
<tr>
<td id="existingcell">
<p><label for="removeselect"><?php print_string('currentusers', 'cohort'); ?></label></p>
<?php $existinguserselector->display() ?>
</td>
<td id="buttonscell">
<div id="addcontrols">
<input name="add" id="add" type="submit" value="<?php echo $OUTPUT->larrow().'&nbsp;'.s(get_string('add')); ?>" title="<?php p(get_string('add')); ?>" /><br />
</div>
<div id="removecontrols">
<input name="remove" id="remove" type="submit" value="<?php echo s(get_string('remove')).'&nbsp;'.$OUTPUT->rarrow(); ?>" title="<?php p(get_string('remove')); ?>" />
</div>
</td>
<td id="potentialcell">
<p><label for="addselect"><?php print_string('potusers', 'cohort'); ?></label></p>
<?php $potentialuserselector->display() ?>
</td>
</tr>
<tr><td colspan="3" id='backcell'>
<input type="submit" name="cancel" value="<?php p(get_string('backtocohorts', 'cohort')); ?>" />
</td></tr>
</table>
</div></form>
<?php
echo $OUTPUT->footer();
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