Produktkonfigurator

<?php

/**
 * Function gets param from array escaping "dangerous" signs 
 * (for $_GET || $_REQUEST || ...)
 *
 * @param mixed $arr The array to read from
 * @param string $name The index name
 * @param mixed $default The default return value
 * @param mixed $mask Bitmask
 * @return mixed
 */
function getParam( &$arr, $name, $default = NULL, $mask = 0 ) {
  if (isset($arr[$name])) {
    return($arr[$name]);
  }
  else {
    return $default;
  }
} //getParam

// if php5 server -> load compatibility file
if (version_compare(PHP_VERSION, '5', '>=')) {  
  require_once('compat/php5.php');  
}


//if (version_compare(PHP_VERSION, '5', '>=')) { 
//  echo "PHP 5<BR>"; 
//} else {
//  echo "PHP 4<BR>"; 
//}

// die( "TEST" ); 

// load 'user data' 
// require_once('users.php'); 
require_once('xml.php');  
// require_once('system.php'); 

global $site;

function getBasePath( $path ) {

  if (!empty($path)) {
    $elem = explode(',', $path);  
  }
  else {
    $elem = array();
  }

  $expr = "/planer/page";  

  foreach ($elem as $id) {
    $expr.= "/page[@id='$id']";  
  }


  return $expr;
}

function getSelect( &$dom, $path ) {
  return XML::xPath($dom, $path . '/select' );  
}

function getResult( &$dom, $path ) {
  return XML::xPath($dom, $path .'/result');  
}

function getSubtitle( &$dom, $path ) {
  $tmp = XML::xPath($dom, $path . '/title');  
  return XML::getNodeValue($tmp->first_child());
}

function getQuestion( &$dom, $path ) {
  $tmp = XML::xPath($dom, $path . '/question');  
  return XML::getNodeValue($tmp->first_child());
}

//lode xml document
$dom = XML::load('planer.xml');  

//load standard page content
$tmp   = XML::xPath($dom, '/planer/title');  
$title = XML::getNodeValue($tmp->first_child());

$tmp   = XML::xPath($dom, '/planer/msg');  
$msg   = XML::getNodeValue($tmp->first_child());

$tmp   = XML::xPath($dom, '/planer/error');  
$error = XML::getNodeValue($tmp->first_child());

$tmp   = XML::xPath($dom, '/planer/next');  
$next  = XML::getNodeValue($tmp->first_child());

$tmp   = XML::xPath($dom, '/planer/back');  
$back  = XML::getNodeValue($tmp->first_child());

//load individual content
$path = getParam($_POST, 'path');  
$sel  = getParam($_POST, 'selection');  

//init path if necessary
if (is_null($path)) {
  $path = '';  
}

//add previous selection to path
if (!is_null($sel)) {
  if (!empty($path)) $path.=  ',';  
  $path.= $sel;
}

//get the basic xPath
$basePath = getBasePath($path);

//load selects
$selects = getSelect($dom, $basePath);

//indicates end of questioning
$finish = count($selects) == 0;

if ($finish) {
  $results = getResult($dom, $basePath);
}

?>

<div id="content_site">  

  <h1><?php print($title); ?></h1>

  <h2><?php print(getSubtitle($dom, $basePath)); ?></h2><br />

  <?php if (!$finish) { ?>

  <b><?php print(getQuestion($dom, $basePath)); ?></b><BR><BR>

  <form name="mainform" method="post" enctype="multipart/form-data">  
  <input type="hidden" name="path" value="<?php print($path); ?>">  
  <?php
    foreach ($selects as $select) {
      $elem = $select->first_child();
      $id   = XML::getAttribute($select, 'id');  
      $text = XML::getNodeValue($elem);
      print("<input type='radio' name='selection' value='$id'>$text</input><br />\n");  
    }
  ?>
  </form>

  <?php } else {

    print("<b>$msg</b><BR><BR>");  

    foreach ($results as $result) {
            $elem = $result->first_child();
            readfile('texte/planer/' . XML::getNodeValue($elem));  
    }

  } ?>
  <br />

  <?php if (!empty($path)) { ?>
  <a href="javascript: history.back();"><< <?php print($back); ?></a>  
  <?php } ?>

  <?php if (!empty($path) && !$finish) { ?>
  &nbsp;&nbsp;|&nbsp;&nbsp;
  <?php } ?>

  <?php if (!$finish) { ?>
  <a href="javascript: document.mainform.submit();"><?php print($next); ?> >></a>  
  <?php } ?>
  <br />
  <br />
  <br />

</div>