Created trunk inside of 2.6-lhm

[gosa.git] / trunk / gosa-core / include / utils / class_timezone.inc

diff --git a/trunk/gosa-core/include/utils/class_timezone.inc b/trunk/gosa-core/include/utils/class_timezone.inc
new file mode 100644 (file)
index 0000000..7fcd7d5
--- /dev/null
+++ b/trunk/gosa-core/include/utils/class_timezone.inc
@@ -0,0 +1,77 @@
+<?php
+/*
+ * This code is part of GOsa (https://gosa.gonicus.de)
+ * Copyright (C) 2008 Cajus Pollmeier
+ *
+ * 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
+ */
+
+class timezone {
+
+  /* This function returns the offset for the default timezone. 
+   * $stamp is used to detect summer or winter time.
+   * In case of PHP5, the integrated timezone functions are used.
+   */
+  static public function get_default_timezone($stamp = NULL)
+  {
+    global $config;
+    $tz ="";
+
+    /* Default return value if zone could not be detected */
+    $zone = array("name" => "unconfigured", "value" => 0);
+
+    /* Use current timestamp if $stamp is not set */
+    if($stamp === NULL){
+      $stamp = time();
+    }
+
+    /* Is there a timezone configured in the gosa configuration (gosa.conf) */
+    if ($config->get_cfg_value("timezone") != ""){
+
+      /* Get zonename */
+      $tz = $config->get_cfg_value("timezone");
+
+      if(!@date_default_timezone_set($tz)){
+        msg_dialog::display(_("Configuration error"), sprintf(_("The timezone setting '%s' in your gosa.conf is not valid. Cannot calculate correct timezone offset."), $tz), ERROR_DIALOG);
+      }
+      $tz_delta = date("Z", $stamp);
+      $tz_delta = $tz_delta / 3600 ;
+      return(array("name" => $tz, "value" => $tz_delta));
+
+    }
+    return($zone);
+  }
+
+
+  /* Return zone informations */
+  static public function _get_tz_zones()
+  {
+    $timezone_identifiers = DateTimeZone::listIdentifiers();
+    $timezones = array();
+    $zones = DateTimeZone::listAbbreviations();
+    foreach($zones as $group){
+      foreach($group as $zone)  {
+        $timezones[$zone['timezone_id']] = $zone['offset'];
+        if($zone['dst']){
+          $dst_timezones[$zone['timezone_id']] = 1;
+        }
+      }
+    }
+    return(array("TIMEZONES" => @$timezones, "DST_ZONES" => @$dst_timezones));
+  }
+}
+
+// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
+?>