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  *                                                                      *
  14  * -------------------------------------------------------------------- *
  15  * Copyright (c) 2003 - 2008 by Roland Haeder                           *
  16  * For more information visit: http://www.mxchange.org                  *
  17  *                                                                      *
  18  * This program is free software; you can redistribute it and/or modify *
  19  * it under the terms of the GNU General Public License as published by *
  20  * the Free Software Foundation; either version 2 of the License, or    *
  21  * (at your option) any later version.                                  *
  22  *                                                                      *
  23  * This program is distributed in the hope that it will be useful,      *
  24  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  25  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  26  * GNU General Public License for more details.                         *
  27  *                                                                      *
  28  * You should have received a copy of the GNU General Public License    *
  29  * along with this program; if not, write to the Free Software          *
  30  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
  31  * MA  02110-1301  USA                                                  *
  32  ************************************************************************/
  33
  34 // Some security stuff...
  35 if (!defined('__SECURITY')) {
  36         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
  37         require($INC);
  38 }
  39
  40 // Always make sure the session management is initialized first
  41 require_once(PATH."inc/session.php");
  42
  43 // Get current theme name
  44 function GET_CURR_THEME() {
  45         global $INC_POOL, $_CONFIG, $CSS, $cacheArray;
  46
  47         // The default theme is 'default'... ;-)
  48         $ret = "default";
  49
  50         // Load default theme if not empty from configuration
  51         if (getConfig('default_theme') != "") $ret = getConfig('default_theme');
  52
  53         if (!isSessionVariableSet('mxchange_theme')) {
  54                 // Set default theme
  55                 set_session("mxchange_theme", $ret);
  56         } elseif ((isSessionVariableSet('mxchange_theme')) && (GET_EXT_VERSION("sql_patches") >= "0.1.4")) {
  57                 //die("<pre>".print_r($cacheArray['themes'], true)."</pre>");
  58                 // Get theme from cookie
  59                 $ret = get_session('mxchange_theme');
  60
  61                 // Is it valid?
  62                 if (THEME_GET_ID($ret) == 0) {
  63                         // Fix it to default
  64                         $ret = "default";
  65                 } // END - if
  66         } elseif ((!isBooleanConstantAndTrue('mxchange_installed')) && ((isBooleanConstantAndTrue('mxchange_installing')) || ($CSS == true)) && ((!empty($_GET['theme'])) || (!empty($_POST['theme'])))) {
  67                 // Prepare FQFN for checking
  68                 $theme = sprintf("%stheme/%s/theme.php", PATH, SQL_ESCAPE($_GET['theme']));
  69
  70                 // Installation mode active
  71                 if ((!empty($_GET['theme'])) && (FILE_READABLE($theme))) {
  72                         // Set cookie from URL data
  73                         set_session("mxchange_theme", SQL_ESCAPE($_GET['theme']));
  74                 } elseif (FILE_READABLE(sprintf("%stheme/%s/theme.php", PATH, SQL_ESCAPE($_POST['theme'])))) {
  75                         // Set cookie from posted data
  76                         set_session("mxchange_theme", SQL_ESCAPE($_POST['theme']));
  77                 }
  78
  79                 // Set return value
  80                 $ret = get_session('mxchange_theme');
  81         } else {
  82                 // Invalid design, reset cookie
  83                 set_session("mxchange_theme", $ret);
  84         }
  85
  86         // Add (maybe) found theme.php file to inclusion list
  87         $theme = sprintf("%stheme/%s/theme.php", PATH, SQL_ESCAPE($ret));
  88
  89         // Try to load the requested include file
  90         if (FILE_READABLE($theme)) $INC_POOL[] = $theme;
  91
  92         // Return theme value
  93         return $ret;
  94 }
  95
  96 function THEME_SELECTION_BOX($mod, $act, $wht, $result) {
  97         // Construction URL
  98         $FORM = URL."/modules.php?module=".$mod;
  99         if (!empty($act)) $FORM .= "&amp;action=".$act;
 100         if (!empty($wht))   $FORM .= "&amp;what=".$wht;
 101         define('__FORM_VALUE', $FORM);
 102
 103         // Initialize array
 104         $THEMES = array(
 105                 'theme_unix'   => array(), // Unix name from filesystem
 106                 'theme_name'   => array()  // Title
 107         );
 108
 109         // Load all themes
 110         while(list($theme) = SQL_FETCHROW($result)) {
 111                 // Load it's theme.php file
 112                 $INC = sprintf("%stheme/%s/theme.php", PATH, SQL_ESCAPE($theme));
 113                 if (FILE_READABLE($INC)) {
 114                         // And save all data in array
 115                         require($INC);
 116                         $THEMES['theme_unix'][] = $theme;
 117                         $THEMES['theme_name'][] = $THEME_NAME;
 118                 } // END - if
 119         } // END - while
 120
 121         // Sort whole array by title
 122         array_pk_sort($THEMES, array("theme_name"));
 123
 124         // Construct selection form for the box template
 125         $OUT = "";
 126         foreach ($THEMES['theme_unix'] as $key => $theme) {
 127                 $OUT .= "  <OPTION value=\"".$theme."\"";
 128                 if ($theme == GET_CURR_THEME()) $OUT .= " selected=\"selected\"";
 129                 $OUT .= ">".$THEMES['theme_name'][$key]."</OPTION>\n";
 130         } // END - foreach
 131
 132         // Return generated selection
 133         define('__THEME_SELECTION_OPTIONS', $OUT);
 134         $OUT = LOAD_TEMPLATE("theme_select_form", true);
 135         return $OUT;
 136 }
 137
 138 // Get version from name
 139 function THEME_GET_VERSION ($name) {
 140         global $cacheArray, $_CONFIG;
 141
 142         // Is the extension "theme" installed?
 143         if (!EXT_IS_ACTIVE("theme")) {
 144                 // Then abort here
 145                 return "0.0";
 146         } // END - if
 147
 148         // Default version "number"
 149         $cver = "-.-";
 150
 151         // Is the cache entry there?
 152         if (isset($cacheArray['themes']['theme_ver'][$name])) {
 153                 // Get the version from cache
 154                 $cver = $cacheArray['themes']['theme_ver'][$name];
 155
 156                 // Count up
 157                 if (getConfig('cache_hits') > 0) { $_CONFIG['cache_hits']++; } else { $_CONFIG['cache_hits'] = 1; }
 158         } elseif (GET_EXT_VERSION("cache") != "0.1.8") {
 159                 // Load version from database
 160                 $result = SQL_QUERY_ESC("SELECT theme_ver FROM `"._MYSQL_PREFIX."_themes` WHERE theme_path='%s' LIMIT 1",
 161                         array($name), __FILE__, __LINE__);
 162
 163                 // Entry found?
 164                 if (SQL_NUMROWS($result) == 1) {
 165                         // Fetch data
 166                         list($cver) = SQL_FETCHROW($result);
 167                 } // END - if
 168
 169                 // Free result
 170                 SQL_FREERESULT($result);
 171         }
 172
 173         // Return version
 174         return $cver;
 175 }
 176
 177 // Get id from theme
 178 function THEME_GET_ID ($name) {
 179         global $cacheArray, $_CONFIG;
 180
 181         // Is the extension "theme" installed?
 182         if (!EXT_IS_ACTIVE("theme")) {
 183                 // Then abort here
 184                 return 0;
 185         } // END - if
 186
 187         // Default id
 188         $id = 0;
 189
 190         // Is the cache entry there?
 191         if (isset($cacheArray['themes']['id'][$name])) {
 192                 // Get the version from cache
 193                 $id = $cacheArray['themes']['id'][$name];
 194
 195                 // Count up
 196                 if (getConfig('cache_hits') > 0) { $_CONFIG['cache_hits']++; } else { $_CONFIG['cache_hits'] = 1; }
 197         } elseif (GET_EXT_VERSION("cache") != "0.1.8") {
 198                 // Check if current theme is already imported or not
 199                 $result = SQL_QUERY_ESC("SELECT id FROM `"._MYSQL_PREFIX."_themes` WHERE theme_path='%s' LIMIT 1",
 200                         array($name), __FILE__, __LINE__);
 201
 202                 // Entry found?
 203                 if (SQL_NUMROWS($result) == 1) {
 204                         // Fetch data
 205                         list($id) = SQL_FETCHROW($result);
 206                 } // END - if
 207
 208                 // Free result
 209                 SQL_FREERESULT($result);
 210         }
 211
 212         // Return id
 213         return $id;
 214 }
 215
 216 // Checks wether a theme is found in db
 217 function THEME_CHECK_EXIST ($name) {
 218         // Get theme and is it not nul?
 219         return (THEME_GET_ID($name) > 0);
 220 }
 221
 222 // Checks if a theme is active
 223 function THEME_IS_ACTIVE ($name) {
 224         global $cacheArray, $_CONFIG;
 225
 226         // Is the extension "theme" installed?
 227         if (!EXT_IS_ACTIVE("theme")) {
 228                 // Then abort here
 229                 return false;
 230         } // END - if
 231
 232         // Default is nothing active
 233         $active = false;
 234
 235         // Is the cache entry there?
 236         if (isset($cacheArray['themes']['theme_active'][$name])) {
 237                 // Get the version from cache
 238                 $active = ($cacheArray['themes']['theme_active'][$name] == "Y");
 239
 240                 // Count up
 241                 if (getConfig('cache_hits') > 0) { $_CONFIG['cache_hits']++; } else { $_CONFIG['cache_hits'] = 1; }
 242         } elseif (GET_EXT_VERSION("cache") != "0.1.8") {
 243                 // Check if current theme is already imported or not
 244                 $result = SQL_QUERY_ESC("SELECT theme_active FROM `"._MYSQL_PREFIX."_themes` WHERE theme_path='%s' AND theme_active='Y' LIMIT 1",
 245                         array($name), __FILE__, __LINE__);
 246
 247                 // Is the theme active and installed?
 248                 $active = (SQL_NUMROWS($result) == 1);
 249
 250                 // Free result
 251                 SQL_FREERESULT($result);
 252         }
 253
 254         // Return result
 255         return $active;
 256 }
 257
 258 // Gets current human-readable theme name
 259 function GET_CURR_THEME_NAME () {
 260         global $cacheArray, $_CONFIG;
 261
 262         // Is the extension "theme" installed?
 263         if (!EXT_IS_ACTIVE("theme")) {
 264                 // Then abort here
 265                 return "default";
 266         } // END - if
 267
 268         // Get the Uni* name
 269         $name = GET_CURR_THEME();
 270
 271         // Is the cache entry there?
 272         if (isset($cacheArray['themes']['theme_name'][$name])) {
 273                 // Get the version from cache
 274                 $name = $cacheArray['themes']['theme_name'][$name];
 275
 276                 // Count up
 277                 if (getConfig('cache_hits') > 0) { $_CONFIG['cache_hits']++; } else { $_CONFIG['cache_hits'] = 1; }
 278         } elseif (GET_EXT_VERSION("cache") != "0.1.8") {
 279                 // Check if current theme is already imported or not
 280                 $result = SQL_QUERY_ESC("SELECT theme_name FROM `"._MYSQL_PREFIX."_themes` WHERE theme_path='%s' AND theme_active='Y' LIMIT 1",
 281                         array($name), __FILE__, __LINE__);
 282
 283                 // Load theme name
 284                 list($name) = SQL_FETCHROW($result);
 285
 286                 // Free result
 287                 SQL_FREERESULT($result);
 288         }
 289
 290         // Return name
 291         return $name;
 292 }
 293
 294 // Initialize variables
 295 $currTheme = GET_CURR_THEME();
 296
 297 // Check if new theme is selcted
 298 if ((!empty($_POST['new_theme'])) && ($_POST['new_theme'] != $currTheme)) {
 299         // Set new theme for guests
 300         $newTheme = $_POST['new_theme'];
 301
 302         // Change to new theme
 303         set_session("mxchange_theme", $newTheme);
 304
 305         // Remove current from array and set new
 306         $theme = sprintf("%stheme/%s/theme.php", PATH, $currTheme);
 307         unset($INC_POOL[array_search($theme, $INC_POOL)]);
 308         $INC_POOL[] = sprintf("%stheme/%s/theme.php", PATH, $newTheme);
 309 } // END - if
 310
 311 //
 312 ?>