inc/libs/theme_functions.php

   1 <?php
   2 /************************************************************************
   3  * MXChange v0.2.1                                    Start: 12/03/2004 *
   4  * ===============                              Last change: 12/13/2004 *
   5  *                                                                      *
   6  * -------------------------------------------------------------------- *
   7  * File              : theme-manager.php                                *
   8  * -------------------------------------------------------------------- *
   9  * Short description : Theme manager                                    *
  10  * -------------------------------------------------------------------- *
  11  * Kurzbeschreibung  : Themen-Manager                                   *
  12  * -------------------------------------------------------------------- *
  13  * $Revision::                                                        $ *
  14  * $Date::                                                            $ *
  15  * $Tag:: 0.2.1-FINAL                                                 $ *
  16  * $Author::                                                          $ *
  17  * Needs to be in all Files and every File needs "svn propset           *
  18  * svn:keywords Date Revision" (autoprobset!) at least!!!!!!            *
  19  * -------------------------------------------------------------------- *
  20  * Copyright (c) 2003 - 2008 by Roland Haeder                           *
  21  * For more information visit: http://www.mxchange.org                  *
  22  *                                                                      *
  23  * This program is free software; you can redistribute it and/or modify *
  24  * it under the terms of the GNU General Public License as published by *
  25  * the Free Software Foundation; either version 2 of the License, or    *
  26  * (at your option) any later version.                                  *
  27  *                                                                      *
  28  * This program is distributed in the hope that it will be useful,      *
  29  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  30  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  31  * GNU General Public License for more details.                         *
  32  *                                                                      *
  33  * You should have received a copy of the GNU General Public License    *
  34  * along with this program; if not, write to the Free Software          *
  35  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
  36  * MA  02110-1301  USA                                                  *
  37  ************************************************************************/
  38
  39 // Some security stuff...
  40 if (!defined('__SECURITY')) {
  41         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), '/inc') + 4) . '/security.php';
  42         require($INC);
  43 }
  44
  45 // Create a selection box with installed and activated themes or all if admin
  46 function generateThemeSelectionBox () {
  47         // Init variables and fill them if set
  48         $what = '';
  49         $mod = getModule();
  50         if (isWhatSet()) {
  51                 $what = getWhat();
  52         } // END - if
  53
  54         // Construction URL
  55         $formAction = "{?URL?}/modules.php?module=" . $mod;
  56         if (!empty($what)) $formAction .= "&amp;what=" . $what;
  57
  58         // Initialize array
  59         $themesArray = array(
  60                 'theme_unix'   => array(), // Unix name from filesystem
  61                 'theme_name'   => array()  // Title
  62         );
  63
  64         // Only activated themes for the user
  65         $add = " WHERE `theme_active`='Y'";
  66
  67         // Do we have admin?
  68         if (IS_ADMIN()) $add = '';
  69
  70         // Select all themes we want
  71         $result = SQL_QUERY("SELECT `theme_path`, `theme_name` FROM `{!_MYSQL_PREFIX!}_themes`".$add." ORDER BY `theme_name` ASC", __FILE__, __LINE__);
  72
  73         // Load all themes
  74         while ($content = SQL_FETCHARRAY($result)) {
  75                 // Construct relative include file name
  76                 $INC = sprintf("theme/%s/theme.php", SQL_ESCAPE($content['theme_path']));
  77
  78                 // Load it's theme.php file if found
  79                 if (isIncludeReadable($INC)) {
  80                         // And save all data in array
  81                         loadInclude($INC);
  82                         $themesArray['theme_unix'][] = $content['theme_path'];
  83                         $themesArray['theme_name'][] = $GLOBALS['theme_data']['name'];
  84                 } // END - if
  85         } // END - while
  86
  87         // Free the result
  88         SQL_FREERESULT($result);
  89
  90         // Construct selection form for the box template
  91         $OUT = '';
  92         foreach ($themesArray['theme_unix'] as $key => $theme) {
  93                 $OUT .= "  <option value=\"".$theme."\"";
  94                 if ($theme == getCurrentTheme()) $OUT .= ' selected="selected"';
  95                 $OUT .= ">".$themesArray['theme_name'][$key]."</option>\n";
  96         } // END - foreach
  97
  98         // Remember content
  99         $content = array(
 100                 'form_action' => $formAction,
 101                 'selection'   => $OUT
 102         );
 103
 104         // Return generated selection
 105         return LOAD_TEMPLATE('theme_select_form', true, $content);
 106 }
 107
 108 // Get version from name
 109 function THEME_GET_VERSION ($name) {
 110         // Is the extension 'theme' installed?
 111         if (!EXT_IS_ACTIVE('theme')) {
 112                 // Then abort here
 113                 return '!.!';
 114         } // END - if
 115
 116         // Default version 'number'
 117         $cver = '?.?';
 118
 119         // Is the cache entry there?
 120         if (isset($GLOBALS['cache_array']['themes']['theme_ver'][$name])) {
 121                 // Get the version from cache
 122                 $cver = $GLOBALS['cache_array']['themes']['theme_ver'][$name];
 123
 124                 // Count up
 125                 incrementConfigEntry('cache_hits');
 126         } elseif (GET_EXT_VERSION('cache') != '0.1.8') {
 127                 // Load version from database
 128                 $result = SQL_QUERY_ESC("SELECT `theme_ver` FROM `{!_MYSQL_PREFIX!}_themes` WHERE `theme_path`='%s' LIMIT 1",
 129                         array($name), __FUNCTION__, __LINE__);
 130
 131                 // Entry found?
 132                 if (SQL_NUMROWS($result) == 1) {
 133                         // Fetch data
 134                         list($cver) = SQL_FETCHROW($result);
 135                 } // END - if
 136
 137                 // Free result
 138                 SQL_FREERESULT($result);
 139         }
 140
 141         // Return version
 142         return $cver;
 143 }
 144
 145 // Checks wether a theme is found in db
 146 function ifThemeExists ($name) {
 147         // Get theme and is it not nul?
 148         return (getThemeId($name) > 0);
 149 }
 150
 151 // Checks if a theme is active
 152 function isThemeActive ($name) {
 153         // Is the extension 'theme' installed?
 154         if (!EXT_IS_ACTIVE('theme')) {
 155                 // Then abort here
 156                 return false;
 157         } // END - if
 158
 159         // Default is nothing active
 160         $active = false;
 161
 162         // Is the cache entry there?
 163         if (isset($GLOBALS['cache_array']['themes']['theme_active'][$name])) {
 164                 // Get the version from cache
 165                 $active = ($GLOBALS['cache_array']['themes']['theme_active'][$name] == 'Y');
 166
 167                 // Count up
 168                 incrementConfigEntry('cache_hits');
 169         } elseif (GET_EXT_VERSION('cache') != '0.1.8') {
 170                 // Check if current theme is already imported or not
 171                 $result = SQL_QUERY_ESC("SELECT `theme_active` FROM `{!_MYSQL_PREFIX!}_themes` WHERE `theme_path`='%s' AND `theme_active`='Y' LIMIT 1",
 172                         array($name), __FUNCTION__, __LINE__);
 173
 174                 // Is the theme active and installed?
 175                 $active = (SQL_NUMROWS($result) == 1);
 176
 177                 // Free result
 178                 SQL_FREERESULT($result);
 179         }
 180
 181         // Return result
 182         return $active;
 183 }
 184
 185 // Gets current human-readable theme name
 186 function getCurrentThemeName () {
 187         // Is the extension 'theme' installed?
 188         if (!EXT_IS_ACTIVE('theme')) {
 189                 // Then abort here
 190                 return 'default';
 191         } // END - if
 192
 193         // Get the Uni* name
 194         $name = getCurrentTheme();
 195
 196         // Is the cache entry there?
 197         if (isset($GLOBALS['cache_array']['themes']['theme_name'][$name])) {
 198                 // Get the version from cache
 199                 $name = $GLOBALS['cache_array']['themes']['theme_name'][$name];
 200
 201                 // Count up
 202                 incrementConfigEntry('cache_hits');
 203         } elseif (GET_EXT_VERSION('cache') != '0.1.8') {
 204                 // Check if current theme is already imported or not
 205                 $result = SQL_QUERY_ESC("SELECT `theme_name` FROM `{!_MYSQL_PREFIX!}_themes` WHERE `theme_path`='%s' AND `theme_active`='Y' LIMIT 1",
 206                         array($name), __FUNCTION__, __LINE__);
 207
 208                 // Load theme name
 209                 list($name) = SQL_FETCHROW($result);
 210
 211                 // Free result
 212                 SQL_FREERESULT($result);
 213         }
 214
 215         // Return name
 216         return $name;
 217 }
 218
 219 // Initialize variables
 220 $GLOBALS['curr_theme'] = getCurrentTheme();
 221
 222 // Check if new theme is selcted
 223 if ((REQUEST_ISSET_POST('new_theme')) && (REQUEST_POST('new_theme') != $GLOBALS['curr_theme'])) {
 224         // Set new theme for guests
 225         $newTheme = REQUEST_POST('new_theme');
 226
 227         // Change to new theme
 228         setSession('mxchange_theme', $newTheme);
 229
 230         // Remove current from array
 231         REMOVE_INC_FROM_POOL(sprintf("theme/%s/theme.php", $GLOBALS['curr_theme']));
 232
 233         // Add new theme
 234         ADD_INC_TO_POOL(sprintf("theme/%s/theme.php", $newTheme));
 235 } // END - if
 236
 237 // [EOF]
 238 ?>