/**
* Deletes a page from the tree (it will not be deleted, only detached).
* Static function.
*
* @param CMS_page $page The page to delete
* @param boolean $publicTree Do we want to fetch the public tree or the edited one ?
* @return boolean true on success, false on failure
* @access public
*/
static function detachPageFromTree(&$page, $publicTree = false)
{
//check argument is a page
if (!is_a($page, "CMS_page")) {
CMS_grandFather::raiseError("Page must be instance of CMS_page");
return false;
}
//check that the page to detach ain't the root.
$root = CMS_tree::getRoot();
if ($root->getID() == $page->getID()) {
CMS_grandFather::raiseError("Can't detach root");
return false;
}
$table = $publicTree ? "linx_tree_public" : "linx_tree_edited";
$father = CMS_tree::getAncestor($page, 1);
if (!$father) {
//page is not in the tree
return true;
}
//get the current sibling order of the page
$sql = "\n\t\t\tselect\n\t\t\t\torder_ltr\n\t\t\tfrom\n\t\t\t\t" . $table . "\n\t\t\twhere\n\t\t\t\tfather_ltr='" . $father->getID() . "'\n\t\t";
$q = new CMS_query($sql);
$current_sibling_order = $q->getValue("order_ltr");
//delete page from the table
$sql = "\n\t\t\tdelete from\n\t\t\t\t" . $table . "\n\t\t\twhere\n\t\t\t\tsibling_ltr='" . $page->getID() . "'\n\t\t";
$q = new CMS_query($sql);
//compact siblings orders of father
CMS_tree::compactSiblingOrder($father, $publicTree);
return true;
}
