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 - 2009 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         die();
  42 }
  43
  44 // Create a selection box with installed and activated themes or all if admin
  45 function generateThemeSelectionBox () {
  46         // Init variables and fill them if set
  47         $what = '';
  48         $mod = getModule();
  49         if (isWhatSet()) {
  50                 $what = getWhat();
  51         } // END - if
  52
  53         // Construction URL
  54         $formAction = "{?URL?}/modules.php?module=" . $mod;
  55         if (!empty($what)) $formAction .= "&amp;what=" . $what;
  56
  57         // Initialize array
  58         $themesArray = array(
  59                 'theme_unix'   => array(), // Unix name from filesystem
  60                 'theme_name'   => array()  // Title
  61         );
  62
  63         // Only activated themes for the user
  64         $add = " WHERE `theme_active`='Y'";
  65
  66         // Do we have admin?
  67         if (isAdmin()) $add = '';
  68
  69         // Select all themes we want
  70         $result = SQL_QUERY("SELECT `theme_path`, `theme_name` FROM `{?_MYSQL_PREFIX?}_themes`".$add." ORDER BY `theme_name` ASC", __FILE__, __LINE__);
  71
  72         // Load all themes
  73         while ($content = SQL_FETCHARRAY($result)) {
  74                 // Construct relative include file name
  75                 $inc = sprintf("theme/%s/theme.php", SQL_ESCAPE($content['theme_path']));
  76
  77                 // Load it's theme.php file if found
  78                 if (isIncludeReadable($inc)) {
  79                         // And save all data in array
  80                         loadInclude($inc);
  81                         $themesArray['theme_unix'][] = $content['theme_path'];
  82                         $themesArray['theme_name'][] = $GLOBALS['theme_data']['name'];
  83                 } // END - if
  84         } // END - while
  85
  86         // Free the result
  87         SQL_FREERESULT($result);
  88
  89         // Construct selection form for the box template
  90         $OUT = '';
  91         foreach ($themesArray['theme_unix'] as $key => $theme) {
  92                 $OUT .= "  <option value=\"".$theme."\"";
  93                 if ($theme == getCurrentTheme()) $OUT .= ' selected="selected"';
  94                 $OUT .= ">".$themesArray['theme_name'][$key]."</option>\n";
  95         } // END - foreach
  96
  97         // Remember content
  98         $content = array(
  99                 'form_action' => $formAction,
 100                 'selection'   => $OUT
 101         );
 102
 103         // Return generated selection
 104         return loadTemplate('theme_select_form', true, $content);
 105 }
 106
 107 // Get version from name
 108 function getThemeVersion ($name) {
 109         // Is the extension 'theme' installed?
 110         if (!isExtensionActive('theme')) {
 111                 // Then abort here
 112                 return '!.!';
 113         } // END - if
 114
 115         // Default version 'number'
 116         $cver = '?.?';
 117
 118         // Is the cache entry there?
 119         if (isset($GLOBALS['cache_array']['themes']['theme_ver'][$name])) {
 120                 // Get the version from cache
 121                 $cver = $GLOBALS['cache_array']['themes']['theme_ver'][$name];
 122
 123                 // Count up
 124                 incrementStatsEntry('cache_hits');
 125         } elseif (getExtensionVersion('cache') != '0.1.8') {
 126                 // Load version from database
 127                 $result = SQL_QUERY_ESC("SELECT `theme_ver` FROM `{?_MYSQL_PREFIX?}_themes` WHERE `theme_path`='%s' LIMIT 1",
 128                         array($name), __FUNCTION__, __LINE__);
 129
 130                 // Entry found?
 131                 if (SQL_NUMROWS($result) == 1) {
 132                         // Fetch data
 133                         list($cver) = SQL_FETCHROW($result);
 134                 } // END - if
 135
 136                 // Free result
 137                 SQL_FREERESULT($result);
 138         }
 139
 140         // Return version
 141         return $cver;
 142 }
 143
 144 // Checks wether a theme is found in db
 145 function ifThemeExists ($name) {
 146         // Get theme and is it not nul?
 147         return (getThemeId($name) > 0);
 148 }
 149
 150 // Checks if a theme is active
 151 function isThemeActive ($name) {
 152         // Is the extension 'theme' installed?
 153         if (!isExtensionActive('theme')) {
 154                 // Then abort here
 155                 return false;
 156         } // END - if
 157
 158         // Default is nothing active
 159         $active = false;
 160
 161         // Is the cache entry there?
 162         if (isset($GLOBALS['cache_array']['themes']['theme_active'][$name])) {
 163                 // Get the version from cache
 164                 $active = ($GLOBALS['cache_array']['themes']['theme_active'][$name] == 'Y');
 165
 166                 // Count up
 167                 incrementStatsEntry('cache_hits');
 168         } elseif (getExtensionVersion('cache') != '0.1.8') {
 169                 // Check if current theme is already imported or not
 170                 $result = SQL_QUERY_ESC("SELECT `theme_active` FROM `{?_MYSQL_PREFIX?}_themes` WHERE `theme_path`='%s' AND `theme_active`='Y' LIMIT 1",
 171                         array($name), __FUNCTION__, __LINE__);
 172
 173                 // Is the theme active and installed?
 174                 $active = (SQL_NUMROWS($result) == 1);
 175
 176                 // Free result
 177                 SQL_FREERESULT($result);
 178         }
 179
 180         // Return result
 181         return $active;
 182 }
 183
 184 // Gets current human-readable theme name
 185 function getCurrentThemeName () {
 186         // Is the extension 'theme' installed?
 187         if (!isExtensionActive('theme')) {
 188                 // Then abort here
 189                 return 'default';
 190         } // END - if
 191
 192         // Get the Uni* name
 193         $name = getCurrentTheme();
 194
 195         // Is the cache entry there?
 196         if (isset($GLOBALS['cache_array']['themes']['theme_name'][$name])) {
 197                 // Get the version from cache
 198                 $name = $GLOBALS['cache_array']['themes']['theme_name'][$name];
 199
 200                 // Count up
 201                 incrementStatsEntry('cache_hits');
 202         } elseif (getExtensionVersion('cache') != '0.1.8') {
 203                 // Check if current theme is already imported or not
 204                 $result = SQL_QUERY_ESC("SELECT `theme_name` FROM `{?_MYSQL_PREFIX?}_themes` WHERE `theme_path`='%s' AND `theme_active`='Y' LIMIT 1",
 205                         array($name), __FUNCTION__, __LINE__);
 206
 207                 // Load theme name
 208                 list($name) = SQL_FETCHROW($result);
 209
 210                 // Free result
 211                 SQL_FREERESULT($result);
 212         }
 213
 214         // Return name
 215         return $name;
 216 }
 217
 218 // Initialize variables
 219 $GLOBALS['curr_theme'] = getCurrentTheme();
 220
 221 // Check if new theme is selcted
 222 if ((isPostRequestElementSet('new_theme')) && (postRequestElement('new_theme') != $GLOBALS['curr_theme'])) {
 223         // Set new theme for guests
 224         $newTheme = postRequestElement('new_theme');
 225
 226         // Change to new theme
 227         setTheme($newTheme);
 228
 229         // Remove current from array
 230         removeIncludeFromPool('theme', sprintf("theme/%s/theme.php", $GLOBALS['curr_theme']));
 231
 232         // Add new theme
 233         addIncludeToPool('theme', sprintf("theme/%s/theme.php", $newTheme));
 234 } // END - if
 235
 236 // [EOF]
 237 ?>