Proyectos de Subversion Moodle

<?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_radiobutton extends data_field_base {

    var $type = 'radiobutton';

    /**

     * priority for globalsearch indexing

     *

     * @var int

     */

    protected static $priority = self::HIGH_PRIORITY;

    public function supports_preview(): bool {

        return true;

    }

    public function get_data_content_preview(int $recordid): stdClass {

        $options = explode("\n", $this->field->param1);

        $options = array_map('trim', $options);

        $selected = $options[$recordid % count($options)];

        return (object)[

            'id' => 0,

            'fieldid' => $this->field->id,

            'recordid' => $recordid,

            'content' => $selected,

            'content1' => null,

            'content2' => null,

            'content3' => null,

            'content4' => null,

        ];

    }

    function display_add_field($recordid = 0, $formdata = null) {

        global $CFG, $DB, $OUTPUT;

        if ($formdata) {

            $fieldname = 'field_' . $this->field->id;

            if (isset($formdata->$fieldname)) {

                $content = $formdata->$fieldname;

            } else {

                $content = '';

            }

        } else if ($recordid) {

            $contentfield = $DB->get_field('data_content', 'content', ['fieldid' => $this->field->id, 'recordid' => $recordid]);

            $content = trim($contentfield ?? '');

        } else {

            $content = '';

        }

        $str = '<div title="' . s($this->field->description) . '">';

        $str .= '<fieldset><legend><span class="accesshide">' . s($this->field->name);

        if ($this->field->required) {

            $str .= '&nbsp;' . get_string('requiredelement', 'form') . '</span></legend>';

            $image = $OUTPUT->pix_icon('req', get_string('requiredelement', 'form'));

            $str .= html_writer::div($image, 'inline-req');

        } else {

            $str .= '</span></legend>';

        }

        $i = 0;

        $requiredstr = '';

        $options = explode("\n", $this->field->param1);

        foreach ($options as $radio) {

            $radio = trim($radio);

            if ($radio === '') {

                continue; // skip empty lines

            }

            $str .= '<input type="radio" id="field_'.$this->field->id.'_'.$i.'" name="field_' . $this->field->id . '" ';

            $str .= 'value="' . s($radio) . '" class="mod-data-input mr-1" ';

            if ($content == $radio) {

                // Selected by user.

                $str .= 'checked />';

            } else {

                $str .= '/>';

            }

            $str .= '<label for="field_'.$this->field->id.'_'.$i.'">'.$radio.'</label><br />';

            $i++;

        }

        $str .= '</fieldset>';

        $str .= '</div>';

        return $str;

    }

    function display_search_field($value = '') {

        global $CFG, $DB;

        $varcharcontent = $DB->sql_compare_text('content', 255);

        $used = $DB->get_records_sql(

            "SELECT DISTINCT $varcharcontent AS content

               FROM {data_content}

              WHERE fieldid=?

             ORDER BY $varcharcontent", array($this->field->id));

        $options = array();

        if(!empty($used)) {

            foreach ($used as $rec) {

                $options[$rec->content] = $rec->content;  //Build following indicies from the sql.

            }

        }

        $return = html_writer::label(get_string('fieldtypelabel', "datafield_" . $this->type),

            'menuf_' . $this->field->id, false, array('class' => 'accesshide'));

        $return .= html_writer::select($options, 'f_'.$this->field->id, $value,

            array('' => 'choosedots'), array('class' => 'custom-select'));

        return $return;

    }

    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++;

        $name = "df_radiobutton_$i";

        $varcharcontent = $DB->sql_compare_text("{$tablealias}.content", 255);

        return array(" ({$tablealias}.fieldid = {$this->field->id} AND $varcharcontent = :$name) ", 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;

    }

}