<?php
	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]);
	                	$tp->set("nbsp", str_repeat("&nbsp;&nbsp;&nbsp;",$level));
	                	$tp->parse("locationrow");
	                	checkchildren($val, $level+1);
			} else {
				$tp->set("location_id", $location_id);
	                	$tp->set("location_name", $location_names[$location_id]);
	                	$tp->set("nbsp", str_repeat("&nbsp;&nbsp;&nbsp;",$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");
?>