class.ilTermsOfServiceUserHasLanguageCriterionGUI.php

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<?php
/* Copyright (c) 1998-2018 ILIAS open source, Extended GPL, see docs/LICENSE */
 
use ILIAS\UI\Component\Component;
use ILIAS\UI\Factory;
 
class ilTermsOfServiceUserHasLanguageCriterionGUI implements \ilTermsOfServiceCriterionTypeGUI
{
    protected $type;
 
    protected $lng;
 
    public function __construct(
        \ilTermsOfServiceUserHasLanguageCriterion $type,
        \ilLanguage $lng
    ) {
        $this->type = $type;
        $this->lng = $lng;
    }
 
    public function appendOption(\ilRadioGroupInputGUI $group, \ilTermsOfServiceCriterionConfig $config)
    {
        $option = new \ilRadioOption($this->getIdentPresentation(), $this->type->getTypeIdent());
        $option->setInfo($this->lng->txt('tos_crit_type_usr_language_info'));
 
        $languageSelection = new \ilSelectInputGUI(
            $this->lng->txt('language'),
            $this->type->getTypeIdent() . '_lng'
        );
        $languageSelection->setRequired(true);
 
        $options = [];
        foreach ($this->lng->getInstalledLanguages() as $lng) {
            $options[$lng] = $this->lng->txt('meta_l_' . $lng);
        }
 
        asort($options);
 
        $languageSelection->setOptions(['' => $this->lng->txt('please_choose')] + $options);
        $languageSelection->setValue((string) ($config['lng'] ?? ''));
 
        $option->addSubItem($languageSelection);
 
        $group->addOption($option);
    }
 
    public function getConfigByForm(\ilPropertyFormGUI $form) : \ilTermsOfServiceCriterionConfig
    {
        $config = new \ilTermsOfServiceCriterionConfig([
            'lng' => (string) $form->getInput($this->type->getTypeIdent() . '_lng')
        ]);
 
        return $config;
    }
 
    public function getIdentPresentation() : string
    {
        return $this->lng->txt('tos_crit_type_usr_language');
    }
 
    public function getValuePresentation(\ilTermsOfServiceCriterionConfig $config, Factory $uiFactory) : Component
    {
        $lng = $config['lng'] ?? '';
 
        if (!is_string($lng) || 2 !== strlen($lng)) {
            return $uiFactory->legacy('');
        }
 
        return $uiFactory->legacy($this->lng->txt('meta_l_' . (string) $lng));
    }
}