/**
* Return URL for a matching swatch image from the global directory
*
* @param Mage_Catalog_Model_Product|Mage_Catalog_Model_Layer_Filter_Item $object
* @param string $value
* @param int $width
* @param int $height
* @param string $fileExt
* @throws Mage_Core_Exception
* @return string
*/
public function getGlobalSwatchUrl($object, $value, $width = self::SWATCH_DEFAULT_WIDTH, $height = self::SWATCH_DEFAULT_HEIGHT, $fileExt = null)
{
if (is_null($fileExt)) {
$fileExt = self::SWATCH_FILE_EXT;
}
// normalize to all lower case so that value can be used as array key below
$value = Mage_ConfigurableSwatches_Helper_Data::normalizeKey($value);
$defaultValue = $value;
// default to no fallback value
if ($object instanceof Mage_Catalog_Model_Layer_Filter_Item) {
// fallback for swatches loaded for nav filters
$source = $object->getFilter()->getAttributeModel()->getFrontend()->getAttribute()->getSource();
foreach ($source->getAllOptions(false, true) as $option) {
if ($option['value'] == $object->getValue()) {
$defaultValue = Mage_ConfigurableSwatches_Helper_Data::normalizeKey($option['label']);
break;
}
}
} elseif ($object instanceof Mage_Catalog_Model_Product) {
// fallback for swatches loaded for product view
$mapping = $object->getChildAttributeLabelMapping();
if (isset($mapping[$value]['default_label'])) {
$defaultValue = $mapping[$value]['default_label'];
}
}
do {
$filename = Mage::helper('configurableswatches')->getHyphenatedString($value) . $fileExt;
$swatchImage = $this->_resizeSwatchImage($filename, 'media', $width, $height);
if (!$swatchImage && $defaultValue == $value) {
return '';
// no image found and no further fallback
} elseif (!$swatchImage) {
$value = $defaultValue;
// fallback to default value
} else {
break;
// we found an image
}
} while (true);
return Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA) . $swatchImage;
}
/**
* @param Mage_Catalog_Model_Layer_Filter_Item $item
* @param bool $singleMode
* @return string
*/
public function getUrl(Mage_Catalog_Model_Layer_Filter_Item $item, $singleMode = false)
{
$requestVar = $item->getFilter()->getRequestVar();
$itemValue = $item->getValue();
return $this->_getItemUrl($requestVar, $itemValue, $singleMode);
}
