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/>.

/**

 * A form for creating and editing groupings.

 *

 * @copyright 2006 The Open University, N.D.Freear AT open.ac.uk, J.White AT open.ac.uk

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

 * @package   core_group

 */

if (!defined('MOODLE_INTERNAL')) {

    die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page

}

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

/**

 * Grouping form class

 *

 * @copyright 2006 The Open University, N.D.Freear AT open.ac.uk, J.White AT open.ac.uk

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

 * @package   core_group

 */

class grouping_form extends moodleform {

    /**

     * Form definition

     */

    function definition() {

        global $USER, $CFG, $COURSE;

        $coursecontext = context_course::instance($COURSE->id);

        $mform =& $this->_form;

        $editoroptions = $this->_customdata['editoroptions'];

        $grouping = $this->_customdata['grouping'];

        $mform->addElement('header', 'general', get_string('general', 'form'));

        $mform->addElement('text','name', get_string('groupingname', 'group'),'maxlength="254" size="50"');

        $mform->addRule('name', get_string('required'), 'required', null, 'server');

        $mform->setType('name', PARAM_TEXT);

        $mform->addElement('text','idnumber', get_string('idnumbergrouping'), 'maxlength="100" size="10"');

        $mform->addHelpButton('idnumber', 'idnumbergrouping');

        $mform->setType('idnumber', PARAM_RAW);

        if (!has_capability('moodle/course:changeidnumber', $coursecontext)) {

            $mform->hardFreeze('idnumber');

        }

        $mform->addElement('editor', 'description_editor', get_string('groupingdescription', 'group'), null, $editoroptions);

        $mform->setType('description_editor', PARAM_RAW);

        $handler = \core_group\customfield\grouping_handler::create();

        $handler->instance_form_definition($mform, empty($grouping->id) ? 0 : $grouping->id);

        $handler->instance_form_before_set_data($grouping);

        $mform->addElement('hidden','id');

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

        $mform->addElement('hidden', 'courseid');

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

        $this->add_action_buttons();

    }

    /**

     * Form validation

     *

     * @param array $data

     * @param array $files

     * @return array $errors An array of validataion errors for the form.

     */

    function validation($data, $files) {

        global $COURSE, $DB;

        $errors = parent::validation($data, $files);

        $name = trim($data['name']);

        if (isset($data['idnumber'])) {

            $idnumber = trim($data['idnumber']);

        } else {

            $idnumber = '';

        }

        if ($data['id'] and $grouping = $DB->get_record('groupings', array('id'=>$data['id']))) {

            if (core_text::strtolower($grouping->name) != core_text::strtolower($name)) {

                if (groups_get_grouping_by_name($COURSE->id,  $name)) {

                    $errors['name'] = get_string('groupingnameexists', 'group', $name);

                }

            }

            if (!empty($idnumber) && $grouping->idnumber != $idnumber) {

                if (groups_get_grouping_by_idnumber($COURSE->id, $idnumber)) {

                    $errors['idnumber']= get_string('idnumbertaken');

                }

            }

        } else if (groups_get_grouping_by_name($COURSE->id, $name)) {

            $errors['name'] = get_string('groupingnameexists', 'group', $name);

        } else if (!empty($idnumber) && groups_get_grouping_by_idnumber($COURSE->id, $idnumber)) {

            $errors['idnumber']= get_string('idnumbertaken');

        }

        $handler = \core_group\customfield\grouping_handler::create();

        $errors = array_merge($errors, $handler->instance_form_validation($data, $files));

        return $errors;

    }

    /**

     *  Apply a logic after data is set.

     */

    public function definition_after_data() {

        $groupid = $this->_form->getElementValue('id');

        $handler = \core_group\customfield\grouping_handler::create();

        $handler->instance_form_definition_after_data($this->_form, empty($groupid) ? 0 : $groupid);

    }

}