/**
* Initialize form element
*
* @param Mage_Backend_Model_Config_Structure_Element_Field $field
* @param Varien_Data_Form_Element_Fieldset $fieldset
* @param $path
* @param string $fieldPrefix
* @param string $labelPrefix
*/
protected function _initElement(Mage_Backend_Model_Config_Structure_Element_Field $field, Varien_Data_Form_Element_Fieldset $fieldset, $path, $fieldPrefix = '', $labelPrefix = '')
{
$inherit = true;
if (array_key_exists($path, $this->_configData)) {
$data = $this->_configData[$path];
$inherit = false;
} elseif ($field->getConfigPath() !== null) {
$data = $this->_configRoot->descend($field->getConfigPath());
} else {
$data = $this->_configRoot->descend($path);
}
$fieldRendererClass = $field->getFrontendModel();
if ($fieldRendererClass) {
$fieldRenderer = Mage::getBlockSingleton($fieldRendererClass);
} else {
$fieldRenderer = $this->_fieldRenderer;
}
$fieldRenderer->setForm($this);
$fieldRenderer->setConfigData($this->_configData);
$elementName = $this->_generateElementName($field->getPath(), $fieldPrefix);
$elementId = $this->_generateElementId($field->getPath($fieldPrefix));
if ($field->hasBackendModel()) {
$backendModel = $field->getBackendModel();
$backendModel->setPath($path)->setValue($data)->setWebsite($this->getWebsiteCode())->setStore($this->getStoreCode())->afterLoad();
$data = $backendModel->getValue();
}
$dependencies = $field->getDependencies($fieldPrefix, $this->getStoreCode());
$this->_populateDependenciesBlock($dependencies, $elementId, $elementName);
$formField = $fieldset->addField($elementId, $field->getType(), array('name' => $elementName, 'label' => $field->getLabel($labelPrefix), 'comment' => $field->getComment($data), 'tooltip' => $field->getTooltip(), 'hint' => $field->getHint(), 'value' => $data, 'inherit' => $inherit, 'class' => $field->getFrontendClass(), 'field_config' => $field->getData(), 'scope' => $this->getScope(), 'scope_id' => $this->getScopeId(), 'scope_label' => $this->getScopeLabel($field), 'can_use_default_value' => $this->canUseDefaultValue($field->showInDefault()), 'can_use_website_value' => $this->canUseWebsiteValue($field->showInWebsite())));
$field->populateInput($formField);
if ($field->hasValidation()) {
$formField->addClass($field->getValidation());
}
if ($field->getType() == 'multiselect') {
$formField->setCanBeEmpty($field->canBeEmpty());
}
if ($field->hasSourceModel()) {
$formField->setValues($field->getOptions());
}
$formField->setRenderer($fieldRenderer);
}
