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/>.

/**

 * Configurable Reports

 * A Moodle block for creating customizable reports

 * @package blocks

 * @author: Juan leyva <http://www.twitter.com/jleyvadelgado>

 * @date: 2009

 */

if (!defined('MOODLE_INTERNAL')) {

    //  It must be included from a Moodle page.

    die('Direct access to this script is forbidden.');

}

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

class cuserfield_form extends moodleform {

    public $allowedops = [

        '=' => '=',

        '>' => '>',

        '<' => '<',

        '>=' => '>=',

        '<=' => '<=',

        '<>' => '<>',

        'LIKE' => 'LIKE',

        'NOT LIKE' => 'NOT LIKE',

        'LIKE % %' => 'LIKE % %'

    ];

    public function definition() {

        global $DB, $USER, $CFG;

        $mform =& $this->_form;

        $mform->addElement('header',  'crformheader', get_string('coursefield', 'block_configurable_reports'), '');

        $columns = $DB->get_columns('user');

        $usercolumns = array();

        foreach ($columns as $c) {

            $usercolumns[$c->name] = $c->name;

        }

        if ($profile = $DB->get_records('user_info_field')) {

            foreach ($profile as $p) {

                $usercolumns['profile_'.$p->shortname] = $p->name;

            }

        }

        $mform->addElement('select', 'field', get_string('column', 'block_configurable_reports'), $usercolumns);

        $mform->addElement('select', 'operator', get_string('operator', 'block_configurable_reports'), $this->allowedops);

        $mform->addElement('text', 'value', get_string('value', 'block_configurable_reports'));

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

        // Buttons.

        $this->add_action_buttons(true, get_string('add'));

    }

    public function validation($data, $files) {

        global $DB, $db, $CFG;

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

        if (!in_array($data['operator'], $this->allowedops)) {

            $errors['operator'] = get_string('error_operator', 'block_configurable_reports');

        }

        $columns = $DB->get_columns('user');

        $usercolumns = array();

        foreach ($columns as $c) {

            $usercolumns[$c->name] = $c->name;

        }

        if ($profile = $DB->get_records('user_info_field')) {

            foreach ($profile as $p) {

                $usercolumns['profile_'.$p->shortname] = 'profile_'.$p->shortname;

            }

        }

        if (!in_array($data['field'], $usercolumns)) {

            $errors['field'] = get_string('error_field', 'block_configurable_reports');

        }

        if (!is_numeric($data['value']) && preg_match('/^(<|>)[^(<|>)]/i', $data['operator'])) {

            $errors['value'] = get_string('error_value_expected_integer', 'block_configurable_reports');

        }

        return $errors;

    }

}