File Source for Tools.class.php

<?php
/*
* This work is hereby released into the Public Domain.
* To view a copy of the public domain dedication,
* visit http://creativecommons.org/licenses/publicdomain/ or send a letter to
* Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
*
*/
require_once dirname(__FILE__)."/../Graph.class.php";
/**
* Objects capable of being positioned
*
* @package linea21.externals
* @subpackage artichow
*/
registerInterface('Positionable');
/**
* Manage left, right, top and bottom sides
*
* @package linea21.externals
* @subpackage artichow
*/
class awSide {
/**
* Left side
*
* @var int
*/
var $left = 0;
/**
* Right side
*
* @var int
*/
var $right = 0;
/**
* Top side
*
* @var int
*/
var $top = 0;
/**
* Bottom side
*
* @var int
*/
var $bottom = 0;
/**
* Build the side
*
* @param mixed $left
* @param mixed $right
* @param mixed $top
* @param mixed $bottom
*/
function awSide($left = NULL, $right = NULL, $top = NULL, $bottom = NULL) {
$this->set($left, $right, $top, $bottom);
}
/**
* Change side values
*
* @param mixed $left
* @param mixed $right
* @param mixed $top
* @param mixed $bottom
*/
function set($left = NULL, $right = NULL, $top = NULL, $bottom = NULL) {
if($left !== NULL) {
$this->left = (float)$left;
}
if($right !== NULL) {
$this->right = (float)$right;
}
if($top !== NULL) {
$this->top = (float)$top;
}
if($bottom !== NULL) {
$this->bottom = (float)$bottom;
}
}
/**
* Add values to each side
*
* @param mixed $left
* @param mixed $right
* @param mixed $top
* @param mixed $bottom
*/
function add($left = NULL, $right = NULL, $top = NULL, $bottom = NULL) {
if($left !== NULL) {
$this->left += (float)$left;
}
if($right !== NULL) {
$this->right += (float)$right;
}
if($top !== NULL) {
$this->top += (float)$top;
}
if($bottom !== NULL) {
$this->bottom += (float)$bottom;
}
}
}
registerClass('Side');
?>

Source for file Tools.class.php