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<?php
///////////////////////////////////////////////////////////////////////////
//                                                                       //
// NOTICE OF COPYRIGHT                                                   //
//                                                                       //
// Moodle - Modular Object-Oriented Dynamic Learning Environment         //
//          http://moodle.org                                            //
//                                                                       //
// Copyright (C) 1999-onwards Moodle Pty Ltd  http://moodle.com          //
//                                                                       //
// This program 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 2 of the License, or     //
// (at your option) any later version.                                   //
//                                                                       //
// This program 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:                          //
//                                                                       //
//          http://www.gnu.org/copyleft/gpl.html                         //
//                                                                       //
///////////////////////////////////////////////////////////////////////////

class data_field_text extends data_field_base {

var $type = 'text';
    /**
     * priority for globalsearch indexing
     *
     * @var int
     */
    protected static $priority = self::MAX_PRIORITY;

function display_search_field($value = '') {
        return '<label class="accesshide" for="f_' . $this->field->id . '">' . $this->field->name.'</label>' .
               '<input type="text" class="form-control" size="16" id="f_' . $this->field->id . '" ' .
               'name="f_' . $this->field->id . '" value="' . s($value) . '" />';
    }

public function parse_search_field($defaults = null) {
        $param = 'f_'.$this->field->id;
        if (empty($defaults[$param])) {
            $defaults = array($param => '');
        }
        return optional_param($param, $defaults[$param], PARAM_NOTAGS);
    }

function generate_sql($tablealias, $value) {
        global $DB;

static $i=0;
        $i++;
        $name = "df_text_$i";
        return array(" ({$tablealias}.fieldid = {$this->field->id} AND ".$DB->sql_like("{$tablealias}.content", ":$name", false).") ", array($name=>"%$value%"));
    }

/**
     * Check if a field from an add form is empty
     *
     * @param mixed $value
     * @param mixed $name
     * @return bool
     */
    function notemptyfield($value, $name) {
        return strval($value) !== '';
    }

/**
     * Return the plugin configs for external functions.
     *
     * @return array the list of config parameters
     * @since Moodle 3.3
     */
    public function get_config_for_external() {
        // Return all the config parameters.
        $configs = [];
        for ($i = 1; $i <= 10; $i++) {
            $configs["param$i"] = $this->field->{"param$i"};
        }
        return $configs;
    }
}