/**
* Loads a set of content objects into the cached tree.
*
* @param boolean $loadprops If true, load the properties of those content objects
* @param boolean $onlyexpanded Not implemented
* @param boolean $loadcontent If false, only create the nodes in the tree,
* don't load the content objects
* @return mixed The cached tree of content
*/
function &GetAllContentAsHierarchy($loadprops, $onlyexpanded = null, $loadcontent = false)
{
debug_buffer('', 'starting tree');
require_once dirname(dirname(__FILE__)) . '/Tree/Tree.php';
$nodes = array();
global $gCms;
$db =& $gCms->GetDb();
$cachefilename = TMP_CACHE_LOCATION . '/contentcache.php';
$usecache = true;
if (isset($onlyexpanded) || isset($CMS_ADMIN_PAGE)) {
#$usecache = false;
}
$loadedcache = false;
if ($usecache) {
if (isset($gCms->variables['pageinfo']) && file_exists($cachefilename)) {
$pageinfo =& $gCms->variables['pageinfo'];
//debug_buffer('content cache file exists... file: ' . filemtime($cachefilename) . ' content:' . $pageinfo->content_last_modified_date);
if (isset($pageinfo->content_last_modified_date) && $pageinfo->content_last_modified_date < filemtime($cachefilename)) {
debug_buffer('file needs loading');
$handle = fopen($cachefilename, "r");
$data = fread($handle, filesize($cachefilename));
fclose($handle);
$tree = unserialize(substr($data, 16));
#$variables =& $gCms->variables;
#$variables['contentcache'] =& $tree;
if (strtolower(get_class($tree)) == 'tree') {
$loadedcache = true;
} else {
$loadedcache = false;
}
}
}
}
if (!$loadedcache) {
$query = "SELECT id_hierarchy FROM " . cms_db_prefix() . "content ORDER BY hierarchy";
$dbresult =& $db->Execute($query);
if ($dbresult && $dbresult->RecordCount() > 0) {
while ($row = $dbresult->FetchRow()) {
$nodes[] = $row['id_hierarchy'];
}
}
$tree = new Tree();
debug_buffer('', 'Start Loading Children into Tree');
$tree = Tree::createFromList($nodes, '.');
debug_buffer('', 'End Loading Children into Tree');
}
if (!$loadedcache && $usecache) {
debug_buffer("Serializing...");
$handle = fopen($cachefilename, "w");
fwrite($handle, '<?php return; ?>' . serialize($tree));
fclose($handle);
}
if ($loadcontent) {
ContentOperations::LoadChildrenIntoTree(-1, $tree, false, true);
}
debug_buffer('', 'ending tree');
return $tree;
}
