<?php

if (!isset($included["Simpleweb/configuration.php"])) 
{

  // Init Config with default values
  $Config = array("bannerbgcolor" => "#8800FF",
		  "bgcolor" => "#FFFFFF",
		  "bottommsg" => "",
		  "bug" => null,
		  "centralbannerbgimage" => null,
		  "cssfiles" => array(),
		  "cyears" => date("Y"),
		  "defaultpage" => "$_SERVER[DOCUMENT_ROOT]/Simpleweb/empty.php",
		  "globalnav" =>array(),
		  "grade" => array(),
		  "homepage" => "members",
		  "imagepath" => array(0 => "Simpleweb/images"),
		  "includepath" => array(),
		  "jsfiles" => array(),
		  "lang" => "EN",
		  "leftbannerbgimage" => null,
		  "localnav" =>array(),
		  "logo" => null,
		  "name" => "No name",
		  "navexclude" => "",
		  "rightbannerbgimage" => null,
		  "stringcolor" => "#666666",
		  "stringheight" => 2);

  // Set languages
  function SetLanguages() {
    global $Config;
    global $Messages;

    $argnum = func_num_args();
    if ($argnum == 0)
      return;

    $lang = strtoupper(func_get_arg(0));
    $Config["name"] = $Messages[$lang]["no name"];

    if ($argnum == 1)
      $Config["lang"] = $lang;
    else {
      $Config["lang"] = array();
      for ($arg=0; $arg<$argnum; $arg++) {
	$lang = strtoupper(func_get_arg($arg));
	$Config["lang"][] = $lang;
	$Config[$lang] = array("cssfiles" =>array(),
	                       "globalnav" =>array(),
			       "grade" => array(),
			       "imagepath" => array(),
			       "includepath" => array(),
			       "jsfiles" =>array(),
			       "lang" => $lang,
			       "localnav" =>array(),
			       "name" => $Messages[$lang]["no name"]);

      }
    }
  }

  // Display language navigation
  function DisplayLanguageNavigation() {
    global $Config;

    if (!is_array($Config["lang"]))
      return;

    $string = "";
    foreach ($Config["lang"] as $lang)
      $string .= "<a href=\"?page=".GetPage()."&lang=$lang\" class=\"lang\">$lang</a> - ";
    
    echo ereg_replace (' - $', " &nbsp;", $string);
  }
  
  // Set config field
  function SetConfigField ($field, $val, $lang = null) {
    global $Config;

    if ((!$lang) || (!isset($Config[$lang])))
      if (is_array($Config[$field]))
	$Config[$field][] = $val;
      else
	$Config[$field] = $val;
    else
      if (is_array($Config[$lang][$field]))
	$Config[$lang][$field][] = $val;
      else
	$Config[$lang][$field] = $val;
  }

  // Get config field
  function GetConfigField ($field, $lang = -1) {
    global $Config;

    if ($lang == -1)
      $lang = GetLanguage();

    if (empty($Config[$lang][$field]))
      return $Config[$field];

    return $Config[$lang][$field];
  }

  // Add a link to global navigation
  function AddLinkToGlobalNavigation($name, $url, $lang = null) {
    
    SetConfigField("globalnav", array("name" => $name, "url" => $url), $lang);
  }

  // Display global navigation
  function DisplayGlobalNavigation() {

    $list = GetConfigField("globalnav");

    $string = "";
    foreach ($list as $link)
      $string .= '<a href="' . $link["url"] . '" class="global">' . $link["name"] . '</a> - ';
    
    echo ereg_replace (' - $', " &nbsp;", $string);
  }

  // Add a link to local navigation
  function AddLinkToLocalNavigation($name, $url, $lang = null) {
   
    SetConfigField("localnav", array("name" => $name, "url" => $url), $lang);
  }

  // Display local navigation
  function DisplayLocalNavigation() {

    $list = GetConfigField("localnav");

    $string = "";
    foreach ($list as $link)
      $string .= '<a href="' . $link["url"] . '" class="local">' . $link["name"] . '</a> - ';
    
    echo ereg_replace (' - $', " &nbsp;", $string);
  }

  // Set background color
  function SetBackgroundColor($color, $lang = null) {

    SetConfigField("bgcolor", $color, $lang);
  }

  // Set banner background color
  function SetBannerBackgroundColor($color, $lang = null) {

    SetConfigField("bannerbgcolor", $color, $lang);
  }

  // Set left banner background image
  function SetLeftBannerBackgroundimage($image, $lang = null) {

    SetConfigField("leftbannerbgimage", $image, $lang);
  }

  // Set central banner background image
  function SetCentralBannerBackgroundimage($image, $lang = null) {

    SetConfigField("centralbannerbgimage", $image, $lang);
  }

  // Set right banner background image
  function SetRightBannerBackgroundimage($image, $lang = null) {
    
    SetConfigField("rightbannerbgimage", $image, $lang);
  }

  // Set string color and height
  function SetStringColor($color, $lang = null) {

    SetConfigField("stringcolor", $color, $lang);
  }
  function SetStringHeight($height, $lang = null) {

    SetConfigField("stringheight", $height, $lang);
  }
  
  // Set site logo
  function SetSiteLogo($logo, $lang = null) {

    SetConfigField("logo", $logo, $lang);
  }

  // Set right top corner image
  function SetRightTopCornerImage($img, $alt, $lang = null) {

    SetConfigField("righttopcornerimage", array("img" => $img, "alt" => $alt), $lang);
  }

  // Set site name
  function SetSiteName($name, $lang = null) {
    
    SetConfigField("name", $name, $lang);
  }

  // Set site url
  function SetSiteUrl($url, $lang = null) {

    SetConfigField("url", $url, $lang);
  }

  // Get site url
  function GetSiteUrl() {

    $url = GetConfigField("url");
    if (($url) && ($url != "/"))
      return "http://" . $url;
    else
      return "/";
  }

  // Set bug
  function SetBug($bug, $lang = null) {

    SetConfigField("bug", $bug, $lang);
  }

  // Set navigation exclusion regexp
  function SetNavigationExclusionRegexp($regex) {

    SetConfigField("navexclude", $regex, $lang);
  }  

  // Set grade meaning
  function SetGradeMeaning() {

    foreach (func_get_args() as $arg)
      SetConfigField("grade", $arg, $lang);
  }

  // Set home page directory
  function SetHomePageDir($dir) {

    SetConfigField("homepage", $dir, $lang);
  }

  // Default page
  function SetDefaultPage($page, $lang = null) {

    SetConfigField("defaultpage", $page, $lang);
  }
  
  // Add include path
  function AddIncludePath() {

    foreach (func_get_args() as $arg)
      SetConfigField("includepath", $arg, $lang);
  }

  // Include PHP Extension
  function IncludePhpExtension() {
    
    $list = array_unique(array_merge(GetConfigField("includepath"),
				     GetConfigField("includepath", "")));

    foreach ($list as $path) {
      $dir = opendir($path);
      $path .= "/";
      while ($entry = readdir($dir))
	if ((!is_dir($path . $entry)) && (ereg('\.php$', $entry)))
	  include ($path . $entry);
    }
  }

  // Add image path
  function AddImagePath() {

    foreach (func_get_args() as $arg)
      SetConfigField("imagepath", $arg, $lang);
  }
 
  // Set bottom message
  function SetBottomMessage ($msg, $lang = null) {

    SetConfigField("bottommsg", $msg, $lang);
  }

  // Set copyright years
  function SetCopyrightYears ($cyears, $lang = null) {

    SetConfigField("cyears", $syears, $lang);
  }

  // Add a CSS file
  function AddCSSFile($file, $lang = null) {
    global $_SERVER;

    if (file_exists("$_SERVER[DOCUMENT_ROOT]/$file"))
      SetConfigField("cssfiles", $file, $lang);
  } 

  // Display CSS links
  function DisplayCSSLinks() {

    $files = GetConfigField("cssfiles");
    foreach ($files as $file)
      echo "<link rel=\"stylesheet\" href=\"/$file\">\n";
  }

  // Add a JS file
  function AddJSFile($file, $lang = null) {
    global $_SERVER;

    if (file_exists("$_SERVER[DOCUMENT_ROOT]/$file"))
      SetConfigField("jsfiles", $file, $lang);
  } 

  // Display JS links
  function DisplayJSLinks() {

    $files = GetConfigField("jsfiles");
    foreach ($files as $file)
      echo "<script language=\"JavaScript\" src=\"/$file\"></script>\n";
  }

  $included["Simpleweb/configuration.php"] = 1;
}
?>