/**
* Create Field and Return it
*
* @param Varien_Data_Form_Element_Abstract $fieldset
* @param Varien_Object $e
* @param Mage_Eav_Model_Entity_Attribute $attribute
* @param string $fieldStep
*
* @return Varien_Data_Form_Element_Abstract
*/
protected function _createField(Varien_Data_Form_Element_Abstract $fieldset, Varien_Object $e, Mage_Eav_Model_Entity_Attribute $attribute, $fieldStep = 'standard')
{
// Get Config Data
$configData = $this->getConfigData();
if ('' == $attribute->getFrontendLabel()) {
return false;
}
// Define Attribute Code
$attributeCode = $attribute->getAttributeCode();
$attributeCode = $fieldStep == 'newfield' ? "{$attributeCode}_dynamic_new" : $attributeCode;
// Get Attribute Data and Inheritance
$path = $this->_configPath . $attributeCode;
if (isset($configData[$path])) {
$data = $configData[$path];
$inherit = false;
} else {
$data = (string) Mage::getConfig()->getNode(null, $this->getForm()->getScope(), $this->getForm()->getScopeCode())->descend($path);
$inherit = true;
}
// Get field Renderer
if ($e->frontend_model) {
$fieldRenderer = Mage::getBlockSingleton((string) $e->frontend_model);
} else {
$fieldRenderer = $this->_getFieldRenderer();
}
// Define Type, Name, and Label
$fieldType = (string) $e->frontend_type ? (string) $e->frontend_type : 'text';
$name = str_replace('_attrCode_', $attributeCode, $this->_fieldNameTemplate);
$label = $fieldStep == 'newfield' ? "" : $attribute->getFrontendLabel();
// Pass through backend model in case it needs to modify value
if ($e->backend_model) {
$model = Mage::getModel((string) $e->backend_model);
if (!$model instanceof Mage_Core_Model_Config_Data) {
Mage::throwException('Invalid config field backend model: ' . (string) $e->backend_model);
}
$model->setPath($path)->setValue($data)->afterLoad();
$data = $model->getValue();
}
// Pre-populate New field with label text
if ('newfield' == $fieldStep && '' == $data) {
$data = $attribute->getFrontendLabel();
}
// Select Field for Existing attributes.
$field = $fieldset->addField($attributeCode, $fieldType, array('name' => $name, 'label' => $label, 'value' => $data === 0 ? '' : $data, 'inherit' => $fieldStep == 'newfield' ? false : $inherit, 'field_config' => $e, 'scope' => $this->getForm()->getScope(), 'scopeId' => $this->getForm()->getScopeId(), 'scope_label' => '[STORE VIEW]', 'can_use_default_value' => $this->getForm()->canUseDefaultValue((int) $e->show_in_default), 'can_use_website_value' => $this->getForm()->canUseWebsiteValue((int) $e->show_in_website), 'can_use_store_value' => $this->getForm()->canUseWebsiteValue((int) $e->show_in_store)));
// Add Validation
if ($e->validate) {
$field->addClass($e->validate);
}
// Determine if value can be empty
if (isset($e->frontend_type) && 'multiselect' === (string) $e->frontend_type && isset($e->can_be_empty)) {
$field->setCanBeEmpty(true);
}
// Set Field Renderer
$field->setRenderer($fieldRenderer);
// Use Source Model to define available options
if ($e->source_model) {
$sourceModel = Mage::getSingleton((string) $e->source_model);
if ($sourceModel instanceof Varien_Object) {
$sourceModel->setPath($path);
}
$field->setValues($sourceModel->toOptionArray());
}
return $field;
}