graph.php

<?php
/**
 * graph.php
 *
 * This is a wrapper file which produces images for the graph module.
 * You should not need to use this file directly from your code. See the
 * documentation of the graphAttribute and/or dataGraphAttribute attributes
 * in the graph module for instructions how to use the graph module.
 *
 * @author Ivo Jansch <ivo@achievo.org>
 *
 * @version $Revision$
 *
 * $Id$
 *
 * This file is part of Achievo.
 *
 * Achievo 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 2 of the License, or
 * (at your option) any later version.
 *
 * Achievo 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.
 *
 */
/* Setup the system */
$config_atkroot = "./";
include_once("atk.inc");

include_once("theme.inc");

include_once(moduleDir("graph") . "jpgraph/jpgraph.php");
atksession("img", false);
atksecure();

// Create attribute.
$plottersource = $ATK_VARS["plotter"];
useattrib($plottersource);
list($module, $attribname) = explode(".", $plottersource);

$plotterclass = $attribname . "Plotter";

$res = false;

if (class_exists($plotterclass)) {
    // Since php does not support calling static methods
    // on a 'dynamic' class (where the name is inside a
    // variable), we use a companion plotter class to
    // plot stuff.
    $plotter = new $plotterclass();
    $res = $plotter->plot($ATK_VARS);
} else {
    atkerror("Graph: plotter " . $plotterclass . " not found.");
}

if (!$res) {
    $output = &atkOutput::getInstance();
    $output->outputFlush();
}
?>