Viewing file:  treeClass.php (2.7 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?php
//
// $Log$
// Revision 1.1 2002/08/23 17:18:28 cain
// - a good example to show how the tree works
//
//
require_once('Tree/Memory.php');
class treeClass extends Tree_Memory
{
function getPathAsString( $id )
{
return preg_replace('/Root\s-\s/','',parent::getPathAsString( $id , ' - ' ));
}
/**
* just a wrapper to be compatible to vp_DB_Common
*
*/
function &getAll()
{
return $this->getNode();
}
/**
* this is only for the getAllVisible it is called by the walk-method
* to retreive only the nodes that shall be visible
*
* @param array this is the node to check
* @return mixed an array if the node shall be visible
* nothing if the node shall not be shown
*/
function _walkForGettingVisibleFolders( $node )
{
global $session;
if( $node['id']==$this->getRootId() )
return $node;
$parentsIds = $this->getParentsIds($node['id']);
if( !@$this->_unfoldAll )
{
foreach( $parentsIds as $aParentId )
{
if( !@$session->temp->openProjectFolders[$aParentId] &&
$aParentId!=$node['id']) // dont check the node itself, since we only look if the parents are openend, then this $node is shown!
return false;
}
}
else
{
// if all folders shall be unfolded save the unfold-ids in the session
$session->temp->openProjectFolders[$node['id']] = $node['id'];
}
return $node;
}
/**
* this returns all the visible projects, the folders returned
* are those which are unfolded, the explorer-like way
* it also handles the 'unfold' parameter, which we simply might be given
* so the unfold/fold works on every page that shows only visible folders
* i think that is really cool :-)
*
* @return array only those folders which are visible
*/
function getAllVisible()
{
$this->unfoldHandler();
return $this->walk( array(&$this,'_walkForGettingVisibleFolders') , 0 , 'ifArray' );
}
function unfoldHandler()
{
global $session;
if( @$_REQUEST['unfoldAll'] )
{
$this->_unfoldAll = true;
}
if( @$_REQUEST['unfold'] )
{
if( @$session->temp->openProjectFolders[$_REQUEST['unfold']] )
{
unset($session->temp->openProjectFolders[$_REQUEST['unfold']]);
}
else
{
$session->temp->openProjectFolders[$_REQUEST['unfold']] = $_REQUEST['unfold'];
}
}
}
}
?>
|