/**
* Moves current node and its subtree to be the previous sibling of $sibling
* The modifications in the current object and the tree are immediate
*
* @param Page $sibling Propel object for sibling node
* @param PropelPDO $con Connection to use.
*
* @return Page The current Propel object
*/
public function moveToPrevSiblingOf($sibling, PropelPDO $con = null)
{
if (!$this->isInTree()) {
throw new PropelException('A Page object must be already in the tree to be moved. Use the insertAsPrevSiblingOf() instead.');
}
if ($sibling->isRoot()) {
throw new PropelException('Cannot move to previous sibling of a root node.');
}
if ($sibling->isDescendantOf($this)) {
throw new PropelException('Cannot move a node as sibling of one of its subtree nodes.');
}
$this->moveSubtreeTo($sibling->getLeftValue(), $sibling->getLevel() - $this->getLevel(), $con);
return $this;
}
/**
* Test xxxNestedSet::makeRoot()
*/
public function testObjectMakeRoot()
{
$page = new Page();
$page->makeRoot();
$this->assertEquals(1, $page->getLeftValue(), 'Node left value must equal 1');
$this->assertEquals(2, $page->getRightValue(), 'Node right value must equal 2');
}
/**
* Filter the query to restrict the result to roots of an object.
* Same as ancestorsOf(), except that it includes the object passed as parameter in the result
*
* @param Page $page The object to use for roots search
*
* @return PageQuery The current query, for fluid interface
*/
public function rootsOf($page)
{
return $this->addUsingAlias(PagePeer::LEFT_COL, $page->getLeftValue(), Criteria::LESS_EQUAL)->addUsingAlias(PagePeer::RIGHT_COL, $page->getRightValue(), Criteria::GREATER_EQUAL);
}
