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/>.

/**

 * this file contains the user selection form to exclude users

 *

 * File         user.php

 * Encoding     UTF-8

 * @copyright   Sebsoft.nl

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

 */

namespace tool_usersuspension\forms\exclude;

defined('MOODLE_INTERNAL') || die;

require_once($CFG->libdir . '/formslib.php');

/**

 * tool_usersuspension\forms\user

 *

 * @package     tool_usersuspension

 *

 * @copyright   Sebsoft.nl

 * @author      R.J. van Dongen <rogier@sebsoft.nl>

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

 */

class user extends \moodleform {

    /**

     * User Selector for currently known users

     * @var \tool_usersuspension\exclude\user\selector\current

     */

    protected $currentuserselector;

    /**

     * User Selector for currently known users

     * @var \tool_usersuspension\exclude\user\selector\potential

     */

    protected $potentialuserselector;

    /**

     * form definition

     */

    public function definition() {

        global $OUTPUT;

        // Create the user selector objects.

        $options = array('accesscontext' => \context_system::instance());

        $this->currentuserselector = new \tool_usersuspension\exclude\user\selector\current('removeselect', $options);

        $this->potentialuserselector = new \tool_usersuspension\exclude\user\selector\potential('addselect', $options);

        $mform = $this->_form;

        // This element is only here so the form will actually get submitted.

        $mform->addElement('hidden', 'processor', 1);

        $mform->setType('processor', PARAM_INT);

        // Add user selection lists and submit controls.

        $html = '

          <table summary="" class="suspendexcludetable generaltable generalbox boxaligncenter" cellspacing="0">

            <tr><td id="existingcell"><p><label for="removeselect">' .

                get_string('label:users:excluded', 'tool_usersuspension') . '</label></p>';

        $html .= $this->currentuserselector->display(true);

        $html .= '</td><td id="buttonscell"><div id="controls">';

        $html .= '<input name="add" id="add" type="submit" value="' . $OUTPUT->larrow() .

                '&nbsp;' . get_string('add') . '" title="' . get_string('add') . '" /><br />

                <input name="remove" id="remove" type="submit" value="' . get_string('remove') .

                ' ' . $OUTPUT->rarrow() . '" title="' . get_string('remove') . '" />';

        $html .= '</div></td><td id="potentialcell"><p><label for="addselect">' .

                get_string('label:users:potential', 'tool_usersuspension') . '</label></p>';

        $html .= $this->potentialuserselector->display(true);

        $html .= '</td></tr></table>';

        $mform->addElement('html', $html);

    }

    /**

     * Process the posted form

     *

     * @throws \moodle_exception

     */

    public function process() {

        global $DB;

        $data = $this->get_data();

        if ($data === null) {

            return false;

        }

        $add = (bool)optional_param('add', false, PARAM_BOOL);

        $remove = (bool)optional_param('remove', false, PARAM_BOOL);

        if ($remove) {

            // Remove user(s).

            $userstoremove = $this->currentuserselector->get_selected_users();

            if (!empty($userstoremove)) {

                foreach ($userstoremove as $removeuser) {

                    $obj = array('type' => 'user', 'refid' => $removeuser->id);

                    if ($DB->record_exists('tool_usersuspension_excl', $obj)) {

                        $DB->delete_records('tool_usersuspension_excl', $obj);

                        $removeuser->fullname = fullname($removeuser);

                        \tool_usersuspension\util::print_notification(

                            get_string('msg:exclusion:record:user:deleted', 'tool_usersuspension', $removeuser), 'success');

                    }

                }

            }

        } else if ($add) {

            // Add user(s).

            $userstoexclude = $this->potentialuserselector->get_selected_users();

            if (!empty($userstoexclude)) {

                foreach ($userstoexclude as $adduser) {

                    $obj = array('type' => 'user', 'refid' => $adduser->id);

                    if (!$DB->record_exists('tool_usersuspension_excl', $obj)) {

                        $obj['timecreated'] = time();

                        $DB->insert_record('tool_usersuspension_excl', (object)$obj);

                        $adduser->fullname = fullname($adduser);

                        \tool_usersuspension\util::print_notification(get_string('msg:exclusion:record:user:inserted',

                            'tool_usersuspension', $adduser), 'success');

                    }

                }

            }

        }

        $this->potentialuserselector->invalidate_selected_users();

        $this->currentuserselector->invalidate_selected_users();

    }

}