if (!empty($this->data['templates'])) {
    $triggersFormList->addRow(_('Parent triggers'), $this->data['templates']);
}
$triggersFormList->addRow(_('Name'), (new CTextBox('description', $this->data['description'], $this->data['limited']))->setWidth(ZBX_TEXTAREA_STANDARD_WIDTH)->setAttribute('autofocus', 'autofocus'));
// append expression to form list
if ($this->data['expression_field_readonly']) {
    $triggersForm->addVar('expression', $this->data['expression']);
}
$addExpressionButton = (new CButton('insert', $this->data['input_method'] == IM_TREE ? _('Edit') : _('Add')))->addClass(ZBX_STYLE_BTN_GREY)->onClick('return PopUp("popup_trexpr.php?dstfrm=' . $triggersForm->getName() . '&dstfld1=' . $this->data['expression_field_name'] . '&srctbl=expression&srcfld1=expression' . '&expression=" + encodeURIComponent(jQuery(\'[name="' . $this->data['expression_field_name'] . '"]\').val()));');
if ($this->data['limited']) {
    $addExpressionButton->setAttribute('disabled', 'disabled');
}
$expressionRow = [(new CTextArea($this->data['expression_field_name'], $this->data['expression_field_value'], ['readonly' => $this->data['expression_field_readonly']]))->setWidth(ZBX_TEXTAREA_STANDARD_WIDTH), (new CDiv())->addClass(ZBX_STYLE_FORM_INPUT_MARGIN), $addExpressionButton];
if ($this->data['input_method'] == IM_TREE) {
    // insert macro button
    $insertMacroButton = (new CButton('insert_macro', _('Insert expression')))->addClass(ZBX_STYLE_BTN_GREY)->setMenuPopup(CMenuPopupHelper::getTriggerMacro());
    if ($this->data['limited']) {
        $insertMacroButton->setAttribute('disabled', 'disabled');
    }
    $expressionRow[] = (new CDiv())->addClass(ZBX_STYLE_FORM_INPUT_MARGIN);
    $expressionRow[] = $insertMacroButton;
    array_push($expressionRow, BR());
    if (empty($this->data['outline'])) {
        // add button
        $addExpressionButton = (new CSubmit('add_expression', _('Add')))->addClass(ZBX_STYLE_BTN_GREY);
        if ($this->data['limited']) {
            $addExpressionButton->setAttribute('disabled', 'disabled');
        }
        $expressionRow[] = $addExpressionButton;
    } else {
        // add button
$nameTextBox->attr('autofocus', 'autofocus');
$triggersFormList->addRow(_('Name'), $nameTextBox);
// append expression to form list
$expressionTextBox = new CTextArea($this->data['expression_field_name'], $this->data['expression_field_value'], array('rows' => ZBX_TEXTAREA_STANDARD_ROWS, 'width' => ZBX_TEXTAREA_STANDARD_WIDTH, 'readonly' => $this->data['expression_field_readonly']));
if ($this->data['expression_field_readonly']) {
    $triggersForm->addVar('expression', $this->data['expression']);
}
$addExpressionButton = new CButton('insert', $this->data['input_method'] == IM_TREE ? _('Edit') : _('Add'), 'return PopUp("popup_trexpr.php?dstfrm=' . $triggersForm->getName() . '&dstfld1=' . $this->data['expression_field_name'] . '&srctbl=expression' . url_param('parent_discoveryid') . '&srcfld1=expression&expression=" + encodeURIComponent(jQuery(\'[name="' . $this->data['expression_field_name'] . '"]\').val()), 800, 265);', 'formlist');
if ($this->data['limited']) {
    $addExpressionButton->setAttribute('disabled', 'disabled');
}
$expressionRow = array($expressionTextBox, $addExpressionButton);
if ($this->data['input_method'] == IM_TREE) {
    // insert macro button
    $insertMacroButton = new CButton('insert_macro', _('Insert expression'), null, 'formlist');
    $insertMacroButton->setMenuPopup(CMenuPopupHelper::getTriggerMacro());
    if ($this->data['limited']) {
        $insertMacroButton->setAttribute('disabled', 'disabled');
    }
    $expressionRow[] = $insertMacroButton;
    array_push($expressionRow, BR());
    if (empty($this->data['outline'])) {
        // add button
        $addExpressionButton = new CSubmit('add_expression', _('Add'), null, 'formlist');
        if ($this->data['limited']) {
            $addExpressionButton->setAttribute('disabled', 'disabled');
        }
        array_push($expressionRow, $addExpressionButton);
    } else {
        // add button
        $addExpressionButton = new CSubmit('and_expression', _('And'), null, 'formlist');