/**
* Apply element dependencies from configuration
*
* @param Varien_SimpleXml_Element $element
* @param Varien_SimpleXml_Element $section
* @param Varien_SimpleXml_Element $group
* @param string $elementId
* @param string $fieldPrefix
*/
protected function _processElementDependencies($element, $section, $group, $elementId, $fieldPrefix = '')
{
foreach ($element->depends->children() as $dependent) {
/* @var $dependent Mage_Core_Model_Config_Element */
$dependentId = $section->getName() . '_' . $group->getName() . '_' . $fieldPrefix . $dependent->getName();
$shouldBeAddedDependence = true;
$dependentValue = (string) $dependent;
if (isset($dependent['separator'])) {
$dependentValue = explode((string) $dependent['separator'], $dependentValue);
}
$dependentFieldName = $fieldPrefix . $dependent->getName();
$dependentField = $group->fields->{$dependentFieldName};
/*
* If dependent field can't be shown in current scope and real dependent config value
* is not equal to preferred one, then hide dependence fields by adding dependence
* based on not shown field (not rendered field)
*/
if (!$this->_canShowField($dependentField)) {
$dependentFullPath = $section->getName() . '/' . $group->getName() . '/' . $fieldPrefix . $dependent->getName();
$dependentValueInStore = Mage::getStoreConfig($dependentFullPath, $this->getStoreCode());
if (is_array($dependentValue)) {
$shouldBeAddedDependence = !in_array($dependentValueInStore, $dependentValue);
} else {
$shouldBeAddedDependence = $dependentValue != $dependentValueInStore;
}
}
if ($shouldBeAddedDependence) {
$this->_getDependence()->addFieldMap($elementId, $elementId)->addFieldMap($dependentId, $dependentId)->addFieldDependence($elementId, $dependentId, $dependentValue);
}
}
}
