C:/xampp/htdocs/moodle/mod/workshop/allocation.php

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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/>.

require_once(dirname(dirname(dirname(__FILE__))).'/config.php');
require_once(dirname(__FILE__).'/locallib.php');
require_once(dirname(__FILE__).'/allocation/lib.php');

$cmid       = required_param('cmid', PARAM_INT);                    // course module
$method     = optional_param('method', 'manual', PARAM_ALPHA);      // method to use

$cm         = get_coursemodule_from_id('workshop', $cmid, 0, false, MUST_EXIST);
$course     = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
$workshop   = $DB->get_record('workshop', array('id' => $cm->instance), '*', MUST_EXIST);
$workshop   = new workshop($workshop, $cm, $course);

$PAGE->set_url($workshop->allocation_url($method));

require_login($course, false, $cm);
$context = $PAGE->context;
require_capability('mod/workshop:allocate', $context);

$PAGE->set_title($workshop->name);
$PAGE->set_heading($course->fullname);
$PAGE->navbar->add(get_string('allocation', 'workshop'));

$allocator  = $workshop->allocator_instance($method);
$initresult = $allocator->init();

//
// Output starts here
//
$output = $PAGE->get_renderer('mod_workshop');
echo $output->header();

$allocators = workshop::installed_allocators();
if (!empty($allocators)) {
    $tabs       = array();
    $row        = array();
    $inactive   = array();
    $activated  = array();
    foreach ($allocators as $methodid => $methodname) {
        $row[] = new tabobject($methodid, $workshop->allocation_url($methodid)->out(), $methodname);
        if ($methodid == $method) {
            $currenttab = $methodid;
        }
    }
}
$tabs[] = $row;
print_tabs($tabs, $currenttab, $inactive, $activated);

if (!empty($initresult)) {
    echo $output->container_start('allocator-init-results');
    echo $output->render(new workshop_allocation_init_result($initresult, $workshop->allocation_url($method)));
    echo $output->container_end();
} else {
    echo $output->container_start('allocator-ui');
    echo $allocator->ui();
    echo $output->container_end();
}
echo $output->footer();