Contao\TableWizard::generate PHP Method

    public function generate()
    {
        $arrColButtons = array('ccopy', 'cmovel', 'cmover', 'cdelete');
        $arrRowButtons = array('rcopy', 'rdelete', 'rdrag');
        // Make sure there is at least an empty array
        if (!is_array($this->varValue) || empty($this->varValue)) {
            $this->varValue = array(array(''));
        }
        // Begin the table
        $return = '<div id="tl_tablewizard">
  <table id="ctrl_' . $this->strId . '" class="tl_tablewizard">
  <thead>
    <tr>';
        // Add column buttons
        for ($i = 0, $c = count($this->varValue[0]); $i < $c; $i++) {
            $return .= '
      <td>';
            // Add column buttons
            foreach ($arrColButtons as $button) {
                $return .= ' <button type="button" data-command="' . $button . '" class="tl_tablewizard_img" title="' . \StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['tw_' . $button]) . '">' . \Image::getHtml(substr($button, 1) . '.svg') . '</button>';
            }
            $return .= '</td>';
        }
        $return .= '
      <td></td>
    </tr>
  </thead>
  <tbody class="sortable">';
        // Add rows
        for ($i = 0, $c = count($this->varValue); $i < $c; $i++) {
            $return .= '
    <tr>';
            // Add cells
            for ($j = 0, $d = count($this->varValue[$i]); $j < $d; $j++) {
                $return .= '
      <td class="tcontainer"><textarea name="' . $this->strId . '[' . $i . '][' . $j . ']" class="tl_textarea noresize" rows="' . $this->intRows . '" cols="' . $this->intCols . '"' . $this->getAttributes() . '>' . \StringUtil::specialchars($this->varValue[$i][$j]) . '</textarea></td>';
            }
            $return .= '
      <td>';
            // Add row buttons
            foreach ($arrRowButtons as $button) {
                if ($button == 'rdrag') {
                    $return .= ' <button type="button" class="drag-handle" title="' . sprintf($GLOBALS['TL_LANG']['MSC']['move']) . '">' . \Image::getHtml('drag.svg') . '</button>';
                } else {
                    $return .= ' <button type="button" data-command="' . $button . '" class="tl_tablewizard_img" title="' . \StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['tw_' . $button]) . '">' . \Image::getHtml(substr($button, 1) . '.svg') . '</button>';
                }
            }
            $return .= '</td>
    </tr>';
        }
        $return .= '
  </tbody>
  </table>
  </div>
  <script>Backend.tableWizard("ctrl_' . $this->strId . '")</script>';
        return $return;
    }