automatic timezone detection

apps/calendar/ajax/guesstimezone.php

+<?php
+/**
+ * Copyright (c) 2011 Georg Ehrke <ownclouddev at georgswebsite dot de>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+function make_array_out_of_xml ($xml){
+	$returnarray = array();
+	$xml = (array)$xml ;
+	foreach ($xml as $property => $value){
+		$value = (array)$value;
+		if(!isset($value[0])){
+			$returnarray[$property] = make_array_out_of_xml($value);
+		}else{
+			$returnarray[$property] = trim($value[0]);
+		}
+	}
+	return $returnarray;
+}
+require_once ("../../../lib/base.php");
+OC_JSON::checkLoggedIn();
+OC_JSON::checkAppEnabled('calendar');
+$l = new OC_L10N('calendar');
+$lat = $_GET['lat'];
+$long = $_GET['long'];
+$geolocation = file_get_contents('http://ws.geonames.org/timezone?lat=' . $lat . '&lng=' . $long);
+//Information are by Geonames (http://www.geonames.org) and licensed under the Creative Commons Attribution 3.0 License
+$geoxml = simplexml_load_string($geolocation);
+$geoarray = make_array_out_of_xml($geoxml);
+if(isset($geoarray['timezone']['timezoneId']) && $geoarray['timezone']['timezoneId'] != ''){
+	OC_Preferences::setValue(OC_USER::getUser(), 'calendar', 'timezone', $geoarray['timezone']['timezoneId']);
+	$message = array('message'=> $l->t('New Timezone:') . $geoarray['timezone']['timezoneId']);
+	OC_JSON::success($message);
+}else{
+	OC_JSON::error();
+}
+
+?>
\ No newline at end of file

apps/calendar/index.php

@@ -32,6 +32,9 @@ if(OC_Preferences::getValue(OC_USER::getUser(), 'calendar', 'currentview', 'mont
 
 OC_Util::addScript('3rdparty/fullcalendar', 'fullcalendar');
 OC_Util::addStyle('3rdparty/fullcalendar', 'fullcalendar');
+if(OC_Preferences::getValue(OC_USER::getUser(), "calendar", "timezone") == null){
+	OC_UTIL::addScript('calendar', 'geo');
+}
 OC_Util::addScript('calendar', 'calendar');
 OC_Util::addStyle('calendar', 'style');
 OC_Util::addScript('', 'jquery.multiselect');

apps/calendar/js/geo.js

+/**
+ * Copyright (c) 2011 Georg Ehrke <ownclouddev at georgswebsite dot de>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+if (navigator.geolocation) { 
+	navigator.geolocation.getCurrentPosition(function(position) {
+		$.getJSON(OC.filePath('calendar', 'ajax', 'guesstimezone.php?lat=' + position.coords.latitude + '&long=' + position.coords.longitude + ''),
+		function(data){
+			if (data.status == 'success'){
+				$('#notification').html(data.message);
+				$('#notification').slideDown();
+				window.setTimeout(function(){$('#notification').slideUp();}, 5000);
+			}else{
+				console.log('Can\'t set new timezone.');
+			}
+		});
+	});
+}
\ No newline at end of file

apps/calendar/templates/calendar.php

@@ -40,6 +40,7 @@ var missing_field_dberror = '<?php echo $l->t('There was a database fail') ?>';
 						</form>
 					</div>
 				</div>
+				<div id="notification" style="display:none;"></div>
 				<div id="calendar_holder">
 				</div>
 				<!-- Dialogs -->