Contao\OptionWizard::generate PHP Метод

    public function generate()
    {
        $arrButtons = array('copy', 'delete', 'drag');
        // Make sure there is at least an empty array
        if (!is_array($this->varValue) || !$this->varValue[0]) {
            $this->varValue = array(array(''));
        }
        // Begin the table
        $return = '<table id="ctrl_' . $this->strId . '" class="tl_optionwizard">
  <thead>
    <tr>
      <th>' . $GLOBALS['TL_LANG']['MSC']['ow_value'] . '</th>
      <th>' . $GLOBALS['TL_LANG']['MSC']['ow_label'] . '</th>
      <th></th>
      <th></th>
      <th></th>
    </tr>
  </thead>
  <tbody class="sortable">';
        // Add fields
        for ($i = 0, $c = count($this->varValue); $i < $c; $i++) {
            $return .= '
    <tr>
      <td><input type="text" name="' . $this->strId . '[' . $i . '][value]" id="' . $this->strId . '_value_' . $i . '" class="tl_text" value="' . \StringUtil::specialchars($this->varValue[$i]['value']) . '"></td>
      <td><input type="text" name="' . $this->strId . '[' . $i . '][label]" id="' . $this->strId . '_label_' . $i . '" class="tl_text" value="' . \StringUtil::specialchars($this->varValue[$i]['label']) . '"></td>
      <td><input type="checkbox" name="' . $this->strId . '[' . $i . '][default]" id="' . $this->strId . '_default_' . $i . '" class="fw_checkbox" value="1"' . ($this->varValue[$i]['default'] ? ' checked="checked"' : '') . '> <label for="' . $this->strId . '_default_' . $i . '">' . $GLOBALS['TL_LANG']['MSC']['ow_default'] . '</label></td>
      <td><input type="checkbox" name="' . $this->strId . '[' . $i . '][group]" id="' . $this->strId . '_group_' . $i . '" class="fw_checkbox" value="1"' . ($this->varValue[$i]['group'] ? ' checked="checked"' : '') . '> <label for="' . $this->strId . '_group_' . $i . '">' . $GLOBALS['TL_LANG']['MSC']['ow_group'] . '</label></td>';
            // Add row buttons
            $return .= '
      <td>';
            foreach ($arrButtons as $button) {
                if ($button == 'drag') {
                    $return .= ' <button type="button" class="drag-handle" title="' . \StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['move']) . '">' . \Image::getHtml('drag.svg') . '</button>';
                } else {
                    $return .= ' <button type="button" data-command="' . $button . '" title="' . \StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['ow_' . $button]) . '">' . \Image::getHtml($button . '.svg') . '</button>';
                }
            }
            $return .= '</td>
    </tr>';
        }
        return $return . '
  </tbody>
  </table>
  <script>Backend.optionsWizard("ctrl_' . $this->strId . '")</script>';
    }