/**
* Get data array for building category filter items
*
* @return array
*/
protected function _getItemsData()
{
if ('catalogsearch' == Mage::app()->getRequest()->getModuleName()) {
$items = parent::_getItemsData();
// exclude
foreach ($items as $key => $item) {
if ($this->isExcluded($item['value'])) {
unset($items[$key]);
}
}
// Hide one value
if (Mage::getStoreConfig('amshopby/general/hide_one_value') && count($items) == 1) {
$items = array();
}
return $items;
}
$isStatic2LevelTree = self::DT_STATIC2LVL == $this->_displayType;
$isShowSubCats = self::DT_WSUBCAT == $this->_displayType;
$isAdvanced = self::DT_ADVANCED == $this->_displayType;
$isCountEnabled = Mage::getStoreConfig('catalog/layered_navigation/display_product_count');
if (is_null($isCountEnabled)) {
// Magento 1.4 has no option
$isCountEnabled = true;
}
if ($isAdvanced) {
return array(0 => 1);
}
// always use root category
$currentCategory = $this->getCategory();
$root = Mage::getModel('catalog/category')->load($this->getLayer()->getCurrentStore()->getRootCategoryId());
$categories = $isStatic2LevelTree ? $root->getChildrenCategories() : $currentCategory->getChildrenCategories();
if ($isStatic2LevelTree) {
$this->getLayer()->setCurrentCategory($root);
}
if ($isCountEnabled) {
$this->getLayer()->getProductCollection()->addCountToCategories($categories);
}
$data = array();
$startLevel = 0;
if ($isShowSubCats) {
$isNotRoot = $root->getId() != $currentCategory->getId();
//Get parent category of the current category
if ($isNotRoot) {
$parent = $currentCategory->getParentCategory();
if ($parent->getId() != $root->getId() && !$this->isExcluded($parent->getId())) {
$data[] = $this->_prepareItemData($parent, false, 0, false, false);
}
}
//Add current category
if ($isNotRoot) {
$startLevel = count($data) > 0 ? 2 : 1;
$data[] = $this->_prepareItemData($currentCategory, true, $startLevel, false, false);
}
}
foreach ($categories as $category) {
$id = $category->getId();
if ($this->isExcluded($id)) {
continue;
}
$data[] = $this->_prepareItemData($category, $id == $currentCategory->getId(), $startLevel + 1, false, $isCountEnabled);
if ($isShowSubCats || $isStatic2LevelTree) {
$children = $category->getChildrenCategories();
if ($children && count($children)) {
//remember that category has children
$last = count($data) - 1;
if ($data[$last]) {
$data[$last]['has_children'] = true;
}
$this->getLayer()->getProductCollection()->addCountToCategories($children);
foreach ($children as $child) {
// we shoul have all categories in the top navigation cache, so no additional queries
if ($this->isExcluded($child->getId())) {
continue;
}
$isFolded = $currentCategory->getParentId() != $child->getParentId();
$isSelected = $currentCategory->getId() == $child->getId();
if ($isSelected && $data[$last]) {
$data[$last]['is_child_selected'] = true;
}
$row = $this->_prepareItemData($child, $isSelected, $startLevel + 2, $isFolded, $isCountEnabled);
$data[] = $row;
}
}
}
//if add sub-categories
}
//restore category
if ($isStatic2LevelTree) {
$this->getLayer()->setCurrentCategory($currentCategory);
}
return $data;
}
