Viewing file:  ContextMenu.php (1.82 KB) -rw-rw-rw-
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<?php
/**
* @package SPLIB
* @version $Id: ContextMenu.php,v 1.1 2003/12/12 08:06:02 kevin Exp $
*/
/**
* ContextMenu class
* <pre>
* - Books
* - Pets << You are here
* - Cats
* - Birds
* - Software
* </pre>
* @access public
* @package SPLIB
*/
class ContextMenu extends Menu {
/**
* Stores the current location item
* @access private
* @var object
*/
var $current;
/**
* ContextMenu constructor
* @param object database connection
* @param string URL fragment
* @access public
*/
function ContextMenu (&$db,$location='') {
Menu::Menu($db);
$this->current=$this->locate($location);
$this->build();
}
/**
* Appends the children of the current location
* @return void
* @access private
*/
function appendChildren () {
$this->menu[]=new Marker('start');
foreach ( $this->items as $item ) {
if ( $item->parent_id() == $this->current->id() ) {
$this->menu[]=$item;
}
}
$check=end($this->menu);
if ( $check->isStart() )
array_pop($this->menu);
else
$this->menu[]=new Marker('end');
}
/**
* Fetches one level of nodes level with the current location
* and called appendChildren to add children of current node
* @return void
* @access private
*/
function build () {
foreach ( $this->items as $item ) {
if ( $item->id() == $this->current->id() ) {
$this->menu[]=$item;
$this->appendChildren();
} else if ( $item->parent_id() == $this->current->parent_id() ) {
$this->menu[]=$item;
}
}
reset ( $this->menu );
}
}
?>
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