add timezones to prefs

Author: Jim Hu

config.inc.php

@@ -30,7 +30,7 @@
 /*     ** Timezones **
 If timezone is not set, all events show in the local time of the source calendar.  This isn't a problem if all your calendars are in the same timezone.  If you set a timezone for the server, events in other timezones are shown when they occur at the server's time.
 */
-#     'timezone'             => 'US/Central',
+     'timezone'             => 'US/Central',
 #     'second_offset'        => $secs,
 
 /*     ** Appearance **      

default_config.php

@@ -2,7 +2,7 @@
 class Configs{
 	private static $instance;
 	private function __construct(){
-		$this->phpicalendar_version = '2.3rc1.3';
+		$this->phpicalendar_version = '2.3rc1.4';
 	// Configuration file for PHP iCalendar 2.25rc1
 	//
 	// To set values, change the text between the single quotes

functions/timezones.php

@@ -381,6 +381,7 @@
 $tz_array['Europe/Zaporozhye']           	= array('+0200', '+0300');
 $tz_array['Europe/Zurich']               	= array('+0100', '+0200');
 $tz_array['GB']                          	= array('+0000', '+0100');
+$tz_array['GMT']                          	= array('+0000', '+0000');
 $tz_array['GB-Eire']                     	= array('+0000', '+0100');
 $tz_array['HST']                         	= array('-1000', '-1000');
 $tz_array['Hongkong']                    	= array('+0800', '+0800');

preferences.php

@@ -144,6 +144,58 @@
 	$i++;
 }
 
+$timezone_subset = array(
+	'',
+	'GMT',
+	'US/Hawaii',
+	'US/Pacific',
+	'US/Mountain',
+	'US/Central',
+	'US/Eastern',
+	'Canada/Newfoundland',
+	'CET',
+	'EET',
+	'Etc/GMT-1',
+	'Etc/GMT-2',
+	'Etc/GMT-3',
+	'Etc/GMT-4',
+	'Etc/GMT-5',
+	'Etc/GMT-6',
+	'Etc/GMT-7',
+	'Etc/GMT-8',
+	'Etc/GMT-9',
+	'Etc/GMT-10',
+	'Etc/GMT-11',
+	'Etc/GMT-12',
+	'Etc/GMT-13',
+	'Etc/GMT-14',
+	'Etc/GMT+1',
+	'Etc/GMT+2',
+	'Etc/GMT+3',
+	'Etc/GMT+4',
+	'Etc/GMT+5',
+	'Etc/GMT+6',
+	'Etc/GMT+7',
+	'Etc/GMT+8',
+	'Etc/GMT+9',
+	'Etc/GMT+10',
+	'Etc/GMT+11',
+	'Etc/GMT+12',
+	'MET',
+	'Mexico/General',
+	'NZ',
+	'WET'
+);
+$timezone_select = '';
+foreach ($timezone_subset as $i => $timezone) {
+	if ($timezone_subset[$i] == $cookie_timezone) {
+		$timezone_select .= "<option value='$timezone' selected='selected'>$timezone</option>\n";
+	} else {
+		$timezone_select .= "<option value='$timezone.'>$timezone</option>\n";
+	}
+}
+
+
 $dir_handle = @opendir(BASE.'templates/');
 $style_select = '';
 while ($file = readdir($dir_handle)) {