Backend\Modules\Locale\Actions\Add::loadForm PHP Method

    private function loadForm()
    {
        if ($this->getParameter('id') != null) {
            // get the translation
            $translation = BackendLocaleModel::get($this->getParameter('id', 'int'));
            // if not empty, set the filter
            if (!empty($translation)) {
                // we are copying the given translation
                $isCopy = true;
            } else {
                $this->redirect(BackendModel::createURLForAction('Index') . '&error=non-existing' . $this->filterQuery);
            }
        } else {
            $isCopy = false;
        }
        // create form
        $this->frm = new BackendForm('add', BackendModel::createURLForAction() . $this->filterQuery);
        // create and add elements
        $this->frm->addDropdown('application', array('Backend' => 'Backend', 'Frontend' => 'Frontend'), $isCopy ? $translation['application'] : $this->filter['application']);
        $this->frm->addDropdown('module', BackendModel::getModulesForDropDown(), $isCopy ? $translation['module'] : $this->filter['module']);
        $this->frm->addDropdown('type', BackendLocaleModel::getTypesForDropDown(), $isCopy ? $translation['type'] : $this->filter['type'][0]);
        $this->frm->addText('name', $isCopy ? $translation['name'] : $this->filter['name']);
        $this->frm->addTextarea('value', $isCopy ? $translation['value'] : $this->filter['value'], null, null, true);
        $this->frm->addDropdown('language', BL::getWorkingLanguages(), $isCopy ? $translation['language'] : $this->filter['language'][0]);
    }