/**
* Returns a struct containing the following values:
* - limit the number of element by page
* - offset the current offset
* - items array, each element contains
* - has_child boolean
* - can_create boolean
* - node eZContentObjectTreeNode
* - has_prev boolean, true if there's a previous page
* - has_next boolean, true if there's a next page
*
* @param eZContentObjectTreeNode $start the node where the browse will start
* @param eZContentClass $class class of the object to be created
* @param int $offset
* @return array
*/
private static function getBrowseItems( eZContentObjectTreeNode $start, eZContentClass $class, $offset = 0 )
{
$result = array(
'limit' => 10,
'offset' => $offset,
'items' => array(),
'has_prev' => ( $offset != 0 ),
'has_next' => false
);
$containerClasses = eZPersistentObject::fetchObjectList(
eZContentClass::definition(), null,
array(
'version' => eZContentClass::VERSION_STATUS_DEFINED,
'is_container' => 1
)
);
$classFilterArray = array();
foreach ( $containerClasses as $c )
{
$classFilterArray[] = $c->attribute( 'identifier' );
}
$children = $start->subTree(
array(
'ClassFilterArray' => $classFilterArray,
'ClassFilterType' => 'include',
'Depth' => 1,
'Limit' => $result['limit'],
'Offset' => $offset
)
);
$count = $start->subTreeCount(
array(
'ClassFilterArray' => $classFilterArray,
'ClassFilterType' => 'include',
'Depth' => 1
)
);
if ( $count > ( $offset + $result['limit'] ) )
{
$result['has_next'] = true;
}
foreach( $children as $node )
{
$elt = array();
$elt['node'] = $node;
$canCreateClassist = $node->canCreateClassList();
foreach( $canCreateClassist as $c )
{
if ( $c['id'] == $class->attribute( 'id' ) )
{
$elt['can_create'] = true;
break;
}
}
if ( !isset( $elt['can_create'] ) )
{
$elt['can_create'] = false;
}
$childrenContainerCount = $node->subTreeCount(
array(
'ClassFilterArray' => $classFilterArray,
'ClassFilterType' => 'include',
'Depth' => 1
)
);
$elt['has_child'] = ( $childrenContainerCount > 0 );
$result['items'][] = $elt;
}
return $result;
}
/**
* Clears the view cache for a subtree
*
* @param eZContentObjectTreeNode $node
* @param bool $clearForRootNode
* @return bool
*/
static function clearViewCacheForSubtree(eZContentObjectTreeNode $node, $clearForRootNode = true)
{
// Max nodes to fetch at a time
static $limit = 200;
if ($clearForRootNode) {
$objectID = $node->attribute('contentobject_id');
eZContentCacheManager::clearContentCacheIfNeeded($objectID);
}
$offset = 0;
$params = array('AsObject' => false, 'Depth' => false, 'Limitation' => array());
// Empty array means no permission checking
$subtreeCount = $node->subTreeCount($params);
while ($offset < $subtreeCount) {
$params['Offset'] = $offset;
$params['Limit'] = $limit;
$subtreeChunk = $node->subTree($params);
$nNodesInChunk = count($subtreeChunk);
$offset += $nNodesInChunk;
if ($nNodesInChunk == 0) {
break;
}
$objectIDList = array();
foreach ($subtreeChunk as $curNode) {
$objectIDList[] = $curNode['id'];
}
unset($subtreeChunk);
eZContentCacheManager::clearContentCacheIfNeeded(array_unique($objectIDList));
}
return true;
}
public function fetchCount()
{
return $this->mainNode->subTreeCount($this->fetchParameters);
}
