ipreg/location.php

<?php
	/*****************************************************************************
	IP Reg, a PHP/MySQL IPAM tool
	Copyright (C) 2008 Wietse Warendorff
	
	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.
	
	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.
	
	You should have received a copy of the GNU General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
	
	For more information, visit http://sourceforge.net/projects/ipreg,
	or contact me at wietsew@users.sourceforge.net
	*****************************************************************************/
	
	// includes
	include("includes.php");
	
	// check authorisation
	$auth = auth("location", $config_auth_locationview, 0);
	
	// start output
	include("header.php");
	
	// set template
	$tp = new Template("tpl/location.tpl");
	
	// set language variables
	$tp->setvars($lang);
	
	// create array with parent index and location names
	$parents = array();
	$location_names = array();
	
	// get location information and insert to the arrays
	$result = mysql_query("SELECT location_id, location_name, parent FROM location") or die(mysql_error());
	while ($row = mysql_fetch_object($result)) {
		$location_names[$row->location_id] = $row->location_name;
		$parents[$row->parent][] = $row->location_id;
	}
	
	// look for parents and create a new array for every child
	function location($parents, $parent = 0) {
		$children = array();
		foreach ($parents[$parent] as $child) {
			if (isset($parents[$child])) {
				// element has children
				$children[$child] = location($parents, $child);
			} else {
				// no children, set NULL
				$children[$child] = NULL;
			}
		}
		return $children;
	}
	
	// recursive children check to template
	function checkchildren ($array, $level) {
		global $tp;
		global $location_names;
		foreach ($array as $location_id=>$val) {
			if($val != "") {
	                	$tp->set("location_id", $location_id);
	                	$tp->set("location_name", $location_names[$location_id]);
	                	$tp->set("nbsp", str_repeat("-&nbsp;&nbsp;",$level));
	                	$tp->parse("locationrow");
	                	checkchildren($val, $level+1);
			} else {
				$tp->set("location_id", $location_id);
	                	$tp->set("location_name", $location_names[$location_id]);
	                	$tp->set("nbsp", str_repeat("-&nbsp;&nbsp;",$level));
	                	$tp->parse("locationrow");
			}
		}
		$tp->parse("location");
		$tp->clear("location");
	}
	
	// assemble the tree
	$tree = location($parents);
	
	// check for values and build template
	checkchildren($tree, 0);
		
	// output
	$tp->parse();
	$tp->spit();
	
	include("footer.php");
?>