Proyectos de Subversion Moodle

<?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    core_cohort

 * @copyright  2010 Petr Skoda  {@link http://skodak.org}

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

require('../config.php');

require_once($CFG->dirroot.'/course/lib.php');

require_once($CFG->dirroot.'/cohort/lib.php');

require_once($CFG->dirroot.'/cohort/edit_form.php');

$id        = optional_param('id', 0, PARAM_INT);

$contextid = optional_param('contextid', 0, PARAM_INT);

$delete    = optional_param('delete', 0, PARAM_BOOL);

$show      = optional_param('show', 0, PARAM_BOOL);

$hide      = optional_param('hide', 0, PARAM_BOOL);

$confirm   = optional_param('confirm', 0, PARAM_BOOL);

$returnurl = optional_param('returnurl', '', PARAM_LOCALURL);

require_login();

$category = null;

if ($id) {

    $cohort = $DB->get_record('cohort', array('id'=>$id), '*', MUST_EXIST);

    $context = context::instance_by_id($cohort->contextid, MUST_EXIST);

} else {

    $context = context::instance_by_id($contextid, MUST_EXIST);

    if ($context->contextlevel != CONTEXT_COURSECAT and $context->contextlevel != CONTEXT_SYSTEM) {

        throw new \moodle_exception('invalidcontext');

    }

    $cohort = new stdClass();

    $cohort->id          = 0;

    $cohort->contextid   = $context->id;

    $cohort->name        = '';

    $cohort->description = '';

}

require_capability('moodle/cohort:manage', $context);

if ($returnurl) {

    $returnurl = new moodle_url($returnurl);

} else {

    $returnurl = new moodle_url('/cohort/index.php', array('contextid'=>$context->id));

}

if (!empty($cohort->component)) {

    // We can not manually edit cohorts that were created by external systems, sorry.

    redirect($returnurl);

}

$PAGE->set_context($context);

$baseurl = new moodle_url('/cohort/edit.php', array('contextid' => $context->id, 'id' => $cohort->id));

$PAGE->set_url($baseurl);

$PAGE->set_context($context);

$PAGE->set_pagelayout('admin');

if ($context->contextlevel == CONTEXT_COURSECAT) {

    core_course_category::page_setup();

    // Set the cohorts node active in the settings navigation block.

    if ($cohortsnode = $PAGE->settingsnav->find('cohort', navigation_node::TYPE_SETTING)) {

        $cohortsnode->make_active();

    }

    $PAGE->set_secondary_active_tab('cohort');

} else {

    navigation_node::override_active_url(new moodle_url('/cohort/index.php', array()));

    $PAGE->set_heading($COURSE->fullname);

}

if ($delete and $cohort->id) {

    $PAGE->url->param('delete', 1);

    if ($confirm and confirm_sesskey()) {

        cohort_delete_cohort($cohort);

        redirect($returnurl);

    }

    $strheading = get_string('delcohort', 'cohort');

    $PAGE->navbar->add($strheading);

    $PAGE->set_title($strheading);

    echo $OUTPUT->header();

    echo $OUTPUT->heading($strheading);

    $yesurl = new moodle_url('/cohort/edit.php', array('id' => $cohort->id, 'delete' => 1,

        'confirm' => 1, 'sesskey' => sesskey(), 'returnurl' => $returnurl->out_as_local_url()));

    $message = get_string('delconfirm', 'cohort', format_string($cohort->name));

    echo $OUTPUT->confirm($message, $yesurl, $returnurl);

    echo $OUTPUT->footer();

    die;

}

if ($show && $cohort->id && confirm_sesskey()) {

    if (!$cohort->visible) {

        $record = (object)array('id' => $cohort->id, 'visible' => 1, 'contextid' => $cohort->contextid);

        cohort_update_cohort($record);

    }

    redirect($returnurl);

}

if ($hide && $cohort->id && confirm_sesskey()) {

    if ($cohort->visible) {

        $record = (object)array('id' => $cohort->id, 'visible' => 0, 'contextid' => $cohort->contextid);

        cohort_update_cohort($record);

    }

    redirect($returnurl);

}

$editoroptions = array('maxfiles' => EDITOR_UNLIMITED_FILES,

    'maxbytes' => $SITE->maxbytes, 'context' => $context);

if ($cohort->id) {

    // Edit existing.

    $cohort = file_prepare_standard_editor($cohort, 'description', $editoroptions,

            $context, 'cohort', 'description', $cohort->id);

    $strheading = get_string('editcohort', 'cohort');

} else {

    // Add new.

    $cohort = file_prepare_standard_editor($cohort, 'description', $editoroptions,

            $context, 'cohort', 'description', null);

    $strheading = get_string('addcohort', 'cohort');

}

$PAGE->set_title($strheading);

$PAGE->navbar->add($strheading);

$editform = new cohort_edit_form(null, array('editoroptions'=>$editoroptions, 'data'=>$cohort, 'returnurl'=>$returnurl));

if ($editform->is_cancelled()) {

    redirect($returnurl);

} else if ($data = $editform->get_data()) {

    $oldcontextid = $context->id;

    $editoroptions['context'] = $context = context::instance_by_id($data->contextid);

    if ($data->id) {

        if ($data->contextid != $oldcontextid) {

            // Cohort was moved to another context.

            get_file_storage()->move_area_files_to_new_context($oldcontextid, $context->id,

                    'cohort', 'description', $data->id);

        }

        $data = file_postupdate_standard_editor($data, 'description', $editoroptions,

                $context, 'cohort', 'description', $data->id);

        cohort_update_cohort($data);

    } else {

        $data->descriptionformat = $data->description_editor['format'];

        $data->description = $description = $data->description_editor['text'];

        $data->id = cohort_add_cohort($data);

        $editoroptions['context'] = $context = context::instance_by_id($data->contextid);

        $data = file_postupdate_standard_editor($data, 'description', $editoroptions,

                $context, 'cohort', 'description', $data->id);

        if ($description != $data->description) {

            $updatedata = (object)array('id' => $data->id,

                'description' => $data->description, 'contextid' => $context->id);

            cohort_update_cohort($updatedata);

        }

    }

    if ($returnurl->get_param('showall') || $returnurl->get_param('contextid') == $data->contextid) {

        // Redirect to where we were before.

        redirect($returnurl);

    } else {

        // Use new context id, it has been changed.

        redirect(new moodle_url('/cohort/index.php', array('contextid' => $data->contextid)));

    }

}

echo $OUTPUT->header();

echo $OUTPUT->heading($strheading);

if (!$id && ($editcontrols = cohort_edit_controls($context, $baseurl))) {

    echo $OUTPUT->render($editcontrols);

}

echo $editform->display();

echo $OUTPUT->footer();