/**
* Get JSON of a tree node or an associative array
*
* @param Varien_Data_Tree_Node|array $node
* @param int $level
* @return string
*/
protected function _getNodeJson($node, $level = 1)
{
$item = array();
$item['text'] = $this->htmlEscape($node->getName());
if ($this->_withProductCount) {
$item['text'] .= ' (' . $node->getProductCount() . ')';
}
$item['id'] = $node->getId();
$item['path'] = $node->getData('path');
$item['cls'] = 'folder ' . ($node->getIsActive() ? 'active-category' : 'no-active-category');
$item['allowDrop'] = false;
$item['allowDrag'] = false;
if ($node->hasChildren()) {
$item['children'] = array();
foreach ($node->getChildren() as $child) {
$item['children'][] = $this->_getNodeJson($child, $level + 1);
}
}
if (empty($item['children']) && (int) $node->getChildrenCount() > 0) {
$item['children'] = array();
}
if (!empty($item['children'])) {
$item['expanded'] = true;
}
if (in_array($node->getId(), $this->getCategoryIds())) {
$item['checked'] = true;
}
return $item;
}
/**
* Convert categories tree to array recursively
*
* @param Varien_Data_Tree_Node $node
* @return array
*/
protected function _getNodesArray($node)
{
$result = array('id' => (int) $node->getId(), 'parent_id' => (int) $node->getParentId(), 'children_count' => (int) $node->getChildrenCount(), 'is_active' => (bool) $node->getIsActive(), 'name' => $node->getName(), 'level' => (int) $node->getLevel(), 'product_count' => (int) $node->getProductCount());
if (is_array($this->_allowedCategoryIds) && !in_array($result['id'], $this->_allowedCategoryIds)) {
$result['disabled'] = true;
}
if ($node->hasChildren()) {
$result['children'] = array();
foreach ($node->getChildren() as $childNode) {
$result['children'][] = $this->_getNodesArray($childNode);
}
}
$result['cls'] = ($result['is_active'] ? '' : 'no-') . 'active-category';
$result['expanded'] = !empty($result['children']);
return $result;
}
/**
* Return the number of products assigned to the category
*
* @param Mage_Catalog_Model_Category|Varien_Data_Tree_Node $category
* @return int
*/
protected function _getProductCount($category)
{
if (null === ($count = $category->getData('product_count'))) {
$count = 0;
if ($category instanceof Mage_Catalog_Model_Category) {
$count = $category->getProductCount();
} elseif ($category instanceof Varien_Data_Tree_Node) {
$count = $this->_getProductCountFromTreeNode($category);
}
}
return $count;
}
protected function _nodeToArray(Varien_Data_Tree_Node $node)
{
$result = array();
$result['category_id'] = $node->getId();
$result['parent_id'] = $node->getParentId();
$result['name'] = $node->getName();
$result['is_active'] = $node->getIsActive();
$result['position'] = $node->getPosition();
$result['level'] = $node->getLevel();
$result['product_count'] = $node->getProductCount();
$result['children'] = array();
foreach ($node->getChildren() as $child) {
$result['children'][] = $this->_nodeToArray($child);
}
return $result;
}
