<?php // -*- mode:php; tab-width:4; indent-tabs-mode:t; -*-
#CMS - CMS Made Simple
#(c)2004-2008 by Ted Kulp (ted@cmsmadesimple.org)
#This project's homepage is: http://cmsmadesimple.org
#
#This program 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.
#
#This program 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.
#You should have received a copy of the GNU General Public License
#along with this program; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#$Id$
/**
* Page related functions. Generally these are functions not necessarily
* related to content, but more to the underlying mechanisms of the system.
*
* @package CMS
*/
/**
* Checks to see if the user is logged in. If not, redirects the browser
* to the admin login.
*
* @since 0.1
* @param string no_redirect - If true, then don't redirect if not logged in
* @return bool If they're logged in, true. If not logged in, false.
*/
function check_login($no_redirect = false)
{
return CmsLogin::check_login($no_redirect);
}
/**
* Gets the userid of the currently logged in user.
*
* @returns If they're logged in, the user id. If not logged in, false.
* @since 0.1
*/
function get_userid($check = true)
{
return CmsLogin::get_userid($check);
}
/**
* Regenerates the user session information from a userid. This is basically used
* so that if the session expires, but the cookie still remains (site is left along
* for 20+ minutes with no interaction), the user won't have to relogin to regenerate
* the details.
*
* @since 0.5
*/
function generate_user_object($userid)
{
return CmsLogin::generate_user_object($userid);
}
function check_permission($userid, $permname)
{
return CmsAcl::check_core_permission($permname, $userid);
}
/**
* Put an event into the audit (admin) log. This should be
* done on most admin events for consistency.
*
* @since 0.3
*/
function audit($itemid, $itemname, $action)
{
global $gCms;
$db = $gCms->GetDb();
$userid = 0;
$username = '';
if (isset($_SESSION["cmsms_user_id"]))
{
$userid = $_SESSION["cmsms_user_id"];
}
else
{
if (isset($_SESSION['login_user_id']))
{
$userid = $_SESSION['login_user_id'];
$username = $_SESSION['login_user_username'];
}
}
if (isset($_SESSION["cms_admin_username"]))
{
$username = $_SESSION["cms_admin_username"];
}
if (!isset($userid) || $userid == "") {
$userid = 0;
}
$query = "INSERT INTO ".cms_db_prefix()."adminlog (timestamp, user_id, username, item_id, item_name, action) VALUES (?,?,?,?,?,?)";
$db->Execute($query,array(time(),$userid,$username,$itemid,$itemname,$action));
}
function load_all_preferences($userid)
{
global $gCms;
$db = cms_db();
$variables = array();
$query = 'SELECT preference, value FROM '.cms_db_prefix().'userprefs WHERE user_id = ?';
$result = &$db->Execute($query, array($userid));
while ($result && !$result->EOF)
{
$variables[$result->fields['preference']] = $result->fields['value'];
$result->MoveNext();
}
if ($result) $result->Close();
return $variables;
}
/**
* Gets the given preference for the given userid.
*
* @since 0.3
*/
function get_preference($userid, $prefname, $default='')
{
global $gCms;
$db = cms_db();
$userprefs = $gCms->userprefs;
$result = $default;
if (!isset($userprefs))
{
$userprefs = load_all_preferences($userid);
$gCms->userprefs = $userprefs;
}
if (isset($userprefs[$prefname]))
{
$result = $userprefs[$prefname];
}
return $result;
}
/**
* Sets the given perference for the given userid with the given value.
*
* @since 0.3
*/
function set_preference($userid, $prefname, $value)
{
$doinsert = true;
global $gCms;
$db =& $gCms->GetDb();
$userprefs = &$gCms->userprefs;
$userprefs[$prefname] = $value;
$query = "SELECT value from ".cms_db_prefix()."userprefs WHERE user_id = ? AND preference = ?";
$result = $db->Execute($query, array($userid, $prefname));
if ($result && $result->RecordCount() > 0)
{
$doinsert = false;
}
if ($result) $result->Close();
if ($doinsert)
{
$query = "INSERT INTO ".cms_db_prefix()."userprefs (user_id, preference, value) VALUES (?,?,?)";
$db->Execute($query, array($userid, $prefname, $value));
}
else
{
$query = "UPDATE ".cms_db_prefix()."userprefs SET value = ? WHERE user_id = ? AND preference = ?";
$db->Execute($query, array($value, $userid, $prefname));
}
}
function create_textarea($enablewysiwyg, $text, $name, $classname='', $id='', $encoding='', $stylesheet='', $width='80', $height='15',$forcewysiwyg='',$wantedsyntax='')
{
global $gCms;
$result = '';
if ($enablewysiwyg == true)
{
reset($gCms->modules);
while (list($key) = each($gCms->modules))
{
$value =& $gCms->modules[$key];
if ($gCms->modules[$key]['installed'] == true && //is the module installed?
$gCms->modules[$key]['active'] == true && //us the module active?
$gCms->modules[$key]['object']->is_wysiwyg()) //is it a wysiwyg module?
{
if ($forcewysiwyg=='') {
//get_preference(get_userid(), 'wysiwyg')!="" && //not needed as it won't match the wisiwyg anyway
if ($gCms->modules[$key]['object']->get_name()==get_preference(get_userid(false), 'wysiwyg')) {
$result=$gCms->modules[$key]['object']->wysiwyg_textarea($name,$width,$height,$encoding,$text,$stylesheet);
}
} else {
if ($gCms->modules[$key]['object']->get_name()==$forcewysiwyg) {
$result=$gCms->modules[$key]['object']->wysiwyg_textarea($name,$width,$height,$encoding,$text,$stylesheet);
}
}
}
}
}
if (($result=="") && ($wantedsyntax!=''))
{
reset($gCms->modules);
while (list($key) = each($gCms->modules))
{
$value =& $gCms->modules[$key];
if ($gCms->modules[$key]['installed'] == true && //is the module installed?
$gCms->modules[$key]['active'] == true && //us the module active?
$gCms->modules[$key]['object']->IsSyntaxHighlighter()) //is it a syntaxhighlighter module module?
{
if ($forcewysiwyg=='') {
//get_preference(get_userid(), 'wysiwyg')!="" && //not needed as it won't match the wisiwyg anyway
if ($gCms->modules[$key]['object']->GetName()==get_preference(get_userid(false), 'syntaxhighlighter')) {
$result=$gCms->modules[$key]['object']->SyntaxTextarea($name,$wantedsyntax,$width,$height,$encoding,$text);
}
} else {
if ($gCms->modules[$key]['object']->GetName()==$forcewysiwyg) {
$result=$gCms->modules[$key]['object']->SyntaxTextarea($name,$wantedsyntax,$width,$height,$encoding,$text);
}
}
}
}
}
if ($result == '')
{
$result = '<textarea name="'.$name.'" cols="'.$width.'" rows="'.$height.'"';
if ($classname != '')
{
$result .= ' class="'.$classname.'"';
}
if ($id != '')
{
$result .= ' id="'.$id.'"';
}
$result .= '>'.cms_htmlentities($text,ENT_NOQUOTES,CmsResponse::get_encoding()).'</textarea>';
}
return $result;
}
/**
* Creates a string containing links to all the pages.
* @param page - the current page to display
* @param totalrows - the amount of items being listed
* @param limit - the amount of items to list per page
* @return a string containing links to all the pages (ex. next 1,2 prev)
*/
function pagination($page, $totalrows, $limit)
{
$page_string = "";
$from = ($page * $limit) - $limit;
$numofpages = $totalrows / $limit;
if ($numofpages > 1)
{
if($page != 1)
{
$pageprev = $page-1;
$page_string .= "<a href=\"".$_SERVER['PHP_SELF']."?page=$pageprev\">".lang('previous')."</a> ";
}
else
{
$page_string .= lang('previous')." ";
}
for($i = 1; $i <= $numofpages; $i++)
{
if($i == $page)
{
$page_string .= $i." ";
}
else
{
$page_string .= "<a href=\"".$_SERVER['PHP_SELF']."?page=$i\">$i</a> ";
}
}
if(($totalrows % $limit) != 0)
{
if($i == $page)
{
$page_string .= $i." ";
}
else
{
$page_string .= "<a href=\"".$_SERVER['PHP_SELF']."?page=$i\">$i</a> ";
}
}
if(($totalrows - ($limit * $page)) > 0)
{
$pagenext = $page+1;
$page_string .= "<a href=\"".$_SERVER['PHP_SELF']."?page=$pagenext\">".lang('next')."</a>";
}
else
{
$page_string .= lang('next')." ";
}
}
return $page_string;
}
# vim:ts=4 sw=4 noet
?>
) is private.
