/**
* Init config group
*
* @param Varien_Data_Form $form
* @param Varien_Simplexml_Element $group
* @param Varien_Simplexml_Element $section
* @param Varien_Data_Form_Element_Fieldset|null $parentElement
*/
protected function _initGroup($form, $group, $section, $parentElement = null)
{
if ($group->frontend_model) {
$fieldsetRenderer = Mage::getBlockSingleton((string) $group->frontend_model);
} else {
$fieldsetRenderer = $this->_defaultFieldsetRenderer;
}
$fieldsetRenderer->setForm($this)->setConfigData($this->_configData);
if ($this->_configFields->hasChildren($group, $this->getWebsiteCode(), $this->getStoreCode())) {
$helperName = $this->_configFields->getAttributeModule($section, $group);
$fieldsetConfig = array('legend' => Mage::helper($helperName)->__((string) $group->label));
if (!empty($group->comment)) {
$fieldsetConfig['comment'] = Mage::helper($helperName)->__((string) $group->comment);
}
if (!empty($group->expanded)) {
$fieldsetConfig['expanded'] = (bool) $group->expanded;
}
$fieldset = new Varien_Data_Form_Element_Fieldset($fieldsetConfig);
$fieldset->setId($section->getName() . '_' . $group->getName())->setRenderer($fieldsetRenderer)->setGroup($group);
if ($parentElement) {
$fieldset->setIsNested(true);
$parentElement->addElement($fieldset);
} else {
$form->addElement($fieldset);
}
$this->_prepareFieldOriginalData($fieldset, $group);
$this->_addElementTypes($fieldset);
$this->_fieldsets[$group->getName()] = $fieldset;
if ($group->clone_fields) {
if ($group->clone_model) {
$cloneModel = Mage::getModel((string) $group->clone_model);
} else {
Mage::throwException($this->__('Config form fieldset clone model required to be able to clone fields'));
}
foreach ($cloneModel->getPrefixes() as $prefix) {
$this->initFields($fieldset, $group, $section, $prefix['field'], $prefix['label']);
}
} else {
$this->initFields($fieldset, $group, $section);
}
}
}
