<?php

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

  // Set site page field
  function SetSitePageField ($field, $val, $lang = null) {
    global $SitePage;

    $page = GetPage();

    if (!$lang)
      $SitePage[$page][$field] = $val;
    else
      $SitePage[$page][$lang][$field] = $val;
  }

  // Get site page field
  function GetSitePageField ($field, $lang = -1) {
    global $SitePage;

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

    $page = GetPage();

    if (empty($SitePage[$page][$lang][$field]))
      return $SitePage[$page][$field];

    return $SitePage[$page][$lang][$field];
  }

  // Set page title
  function SetPageTitle($title, $lang = null) {

    SetSitePageField("ptitle", $title, $lang);
  }

  // Set navigation title
  function SetNavigationTitle($title, $lang = null) {
    
    SetSitePageField("ntitle", $title, $lang);
  } 

  // Set creator login
  function SetCreatorLogin($login) {

    SetSitePageField("creator", $login);
  } 

  // Get creator name from :
  //  - member table
  //  - file owner (cheched in member table)
  //  - file owner
  function GetCreatorName() {
    
    $name = GetName(GetSitePageField("creator"));
    if (empty($name)) {
      $stat = stat(GetFile());
      $user = posix_getpwuid($stat["uid"]);
      SetSitePageField("creator", $user["name"]);
      $name = GetName(GetSitePageField("creator"));
      if (empty($name))
	$name = ereg_replace('^([^,]*),.*$', '\1', $user["gecos"]);
    }

    return $name;
  }

  // Set modifier login (raw or cvs author tag)
  function SetModifierLogin($login) {
    
    if (ereg('^[$]Author: ', $login))
      $login = ereg_replace('^.* ([a-z]+) .*$', '\1', $login);

    SetSitePageField("modifier", $login);
  } 

  // Get modifier email from :
  //  - member table
  //  - file owner (cheched in member table)
  //  - file owner (add @url)
  //  - file owner (add @site)
  function GetModifierEmail() {

    $email = FormatEmail(GetSitePageField("modifier"));
    if (empty($email)) {
      $stat = stat(GetFile());
      $user = posix_getpwuid($stat["uid"]);
      SetSitePageField("modifier", $user["name"]);
      $email = FormatEmail(GetSitePageField("modifier"));
      if (empty($email)) {
	$name = ereg_replace('^([^,]*),.*$', '\1', $user["gecos"]);
	if (GetConfigField("url"))
	  $email = GetSitePageField("modifier") . "@" . GetConfigField("url");
	else
	  $email = GetSitePageField("modifier") . "@" . $_SERVER["SERVER_NAME"];
	$email = FormatEmail($email, $name);
      }      
    }

    return $email;
  }

  // Set creation date
  function SetCreationDate($day, $month ,$year,
			   $hour = null, $minute = null, $second = null) {

    if (isset($hour) && isset($minute) && isset($second))
      $date = FormatDate(mktime($second, $minute, $hour, $month, $day, $year));
    else 
      $date = FormatDate(mktime(0, 0, 0, $month, $day, $year));

    SetSitePageField("creation", $date);
  }

  // Get creation date from:
  //  - previously set field
  //  - file date (ctime)
  function GetCreationDate() {

    $date = GetSitePageField("creation");
    if (empty($date)) {
      $stat = stat(GetFile());
      $date = FormatDate($stat["ctime"]);
    }

    return $date;
  }

  // Set modification date (date or cvs date tag)
  function SetModificationDate($arg, $month = 0, $year = 0,
			       $hour = null, $minute = null, $second = null) {

    if ($arg == "0")
      $date = FormatDate();
    else {
      if (ereg('^[$]Date: ', $arg)) {
	// Get date
	$date = ereg_replace('^.* ([0-9]+/[0-9]+/[0-9]+) .*$', '\1', $arg);
	$arrdate = split("/", $date);
	
	$year = $arrdate[0];
	$month = $arrdate[1];
	$day = $arrdate[2];
	
	// Get time
	$time = ereg_replace('^.* ([0-9]+:[0-9]+:[0-9]+) .*$', '\1', $arg);
	$arrtime = split(":", $time);

	$second = $arrtime[2];
	$minute = $arrtime[1];
	$hour = $arrtime[0];
      }
      else
	$day = $arg;
      
      if (isset($hour) && isset($minute) && isset($second))
	$date = FormatDate(mktime($hour, $minute, $second, $month, $day, $year));
      
      else
	$date = FormatDate(mktime(0, 0, 0, $month, $day, $year));
    }

    SetSitePageField("modification", $date);
  }

  // Get creation date from:
  //  - previously set field
  //  - file date (mtime)
  function GetModificationDate() {

    $date = GetSitePageField("modification");
    if (empty($date)) {
      $stat = stat(GetFile());
      $date = FormatDate($stat["mtime"]);
    }

    return $date;
  }

  // Set optional navigation position (3 digits)
  function SetOptionalNavPosition($pos) {

    SetSitePageField("pos", $pos);
  }
  
  // Get optional navigation position from previously set field. If it
  // is not set the default value is 500
  function GetOptionalNavPosition() {

    $pos = GetSitePageField("pos");
    if (empty($pos))
      $pos = 500;
    
    return sprintf("%03d", $pos);
  }

   // Add the local CSS file (there's only one local file)
  function AddLocalCSSFile($file, $lang = null) {
    global $_SERVER;

    if (file_exists("$_SERVER[DOCUMENT_ROOT]/$file"))
      SetConfigField("cssfile", $file, $lang);
  } 
 
  // Display the local CSS link
  function DisplayLocalCSSLink() {

    $file = GetConfigField("cssfile");
    if (!empty($file))
      echo "<link rel=\"stylesheet\" href=\"/$file\">\n";
  }

   // Add the local JS file (there's only one local file)
  function AddLocalJSFile($file, $lang = null) {
    global $_SERVER;

    if (file_exists("$_SERVER[DOCUMENT_ROOT]/$file"))
      SetConfigField("jsfile", $file, $lang);
  } 
 
  // Display the local JS link
  function DisplayLocalJSLink() {

    $file = GetConfigField("jsfile");
    if (!empty($file))
      echo "<script language=\"JavaScript\" src=\"/$file\"></script>\n";
  }
  
  $included["Simpleweb/pageinfo.php"] = 1;
}
?>