X-Git-Url: https://code.delx.au/comingnext/blobdiff_plain/517fcfd1ef1214752d9e9793d25b95fa18bdb119..74a8225377ee396d42dc71cd1e95c7b5b7ed8911:/comingNext/index.html

diff --git a/comingNext/index.html b/comingNext/index.html
index c085646..0480c43 100644
--- a/comingNext/index.html
+++ b/comingNext/index.html
@@ -7,23 +7,23 @@
 
 <style type="text/css">
 /* The following classes can be modified by widget settings */
-.background { color:#ffffff; background-color:#000000 }
-.backgroundFullscreen { color:#ffffff; background-color:#000000 }
+.background { color:#ffffff; background-color:#000000 }
+.backgroundFullscreen { color:#ffffff; background-color:#000000 }
 .weekDay { }
 .date { }
-.today { color:#ff0000 }
-.tomorrow { color:#0000ff }
+.today { color:#ff0000 }
+.tomorrow { color:#0000ff }
 .time { }
-.now { color:#ff00ff }
+.now { color:#ff00ff }
 .description { }
-.icon { width:15px; height:15px }
-.overdue { color:#ffff00 }
-.calendar1 { background-color:#0757cf }
-.calendar2 { background-color:#579f37 }
-.calendar3 { background-color:#ff9f07 }
-.calendar4 { background-color:#af8fef }
-.calendar5 { background-color:#57afbf }
-.calendar6 { background-color:#9fdf57 }
+.icon { width:15px; height:15px }
+.overdue { color:#ffff00 }
+.calendar1 { background-color:#0757cf }
+.calendar2 { background-color:#579f37 }
+.calendar3 { background-color:#ff9f07 }
+.calendar4 { background-color:#af8fef }
+.calendar5 { background-color:#57afbf }
+.calendar6 { background-color:#9fdf57 }
 </style>
 
 <script type="text/javascript" src="localizedTextStrings.js" charset="utf-8" />
@@ -57,7 +57,7 @@ var config = {
 	hideWidgetOnCalendarOpen: { Type: 'Bool', Default: false, Value: false,},
 	showCalendarIndicator: { Type: 'Bool', Default: true, Value: true,},
 	excludedCalendars: { Type: 'Array', Default: [], Value: [],},
-	enableLogging: { Type: 'Bool', Default: false, Value: false,},
+	enableLogging: { Type: 'Bool', Default: false, Value: false,},
 	cssStyle_background: { Type: 'String', Default: 'color:#ffffff; background-color:#000000', Value: 'color:#ffffff; background-color:#000000',},
 	cssStyle_backgroundFullscreen: { Type: 'String', Default: 'color:#ffffff; background-color:#000000', Value: 'color:#ffffff; background-color:#000000',},
 	cssStyle_weekDay: { Type: 'String', Default: '', Value: '',},
@@ -83,7 +83,7 @@ var config = {
 // Nothing of interest from here on...
 //-------------------------------------------------------
 var panelNum = 0; // use 1 for second panel
-var version = "1.32";
+var version = "1.32";
 var versionURL = "http://comingnext.sourceforge.net/version.xml";
 var calendarService = null;
 var cacheEntriesHtml = [];
@@ -99,11 +99,11 @@ var calendarList = [];
 var calendarColors = [];
 var updateTimer = null;
 var screenRotationTimer = null;
-var lastUpdateTime = now; // last time we updated the display
-var lastReloadTime = null; // last time we fetched calendar data
-var reloadInterval = 6 * 60 * 60 * 1000; // = 6 hours; time interval for reloading calendar data
+var lastUpdateTime = now; // last time we updated the display
+var lastReloadTime = null; // last time we fetched calendar data
+var reloadInterval = 6 * 60 * 60 * 1000; // = 6 hours; time interval for reloading calendar data
 var errorOccured = false;
-var entryLists = null; // stores all fetched calendar entries until data is refreshed
+var entryLists = null; // stores all fetched calendar entries until data is refreshed
 
 // vars for daylight saving time
 var summertime = false; // true, if current date is in summer, false if in winter
@@ -129,7 +129,7 @@ function isLeapYear( year ) {
 	else
 		return false;
 }
-
+
 function calcLeapYear(year, days)
 {
 	if (isLeapYear(year))
@@ -258,10 +258,8 @@ function collectLocales()
 			}
 		}
 		var result = calendarService.IDataSource.GetList(listFiltering);
-		if (result.ErrorCode) {
-			error(result.ErrorMessage);
-			return;
-		}
+		if (result.ErrorCode)
+			throw(result.ErrorMessage);
 		var list = result.ReturnValue;
 	} catch(e) {
 		error(e + ', line ' + e.line);
@@ -290,7 +288,7 @@ function collectLocales()
 				month = tmp;
 			}
 
-			log(entry.StartTime + ' -> ' + month + ' ' + counter);
+			log(entry.StartTime + ' -> ' + month + ' ' + counter);
 			ids[counter] = entry.id;
 			months_translated[month] = counter + 1;
 			counter++;
@@ -299,7 +297,7 @@ function collectLocales()
 		error(e + ', line ' + e.line);
 		return;
 	}
-	log(ids);
+	log(ids);
 	try {
 		var criteria = new Object();
 		criteria.Type = "CalendarEntry";
@@ -309,7 +307,7 @@ function collectLocales()
 
 		var result = calendarService.IDataSource.Delete(criteria);
 		if (result.ErrorCode)
-			error(result.ErrorMessage);
+			throw(result.ErrorMessage);
 	} catch(e) {
 		error('deleting temp calendar entries:' + e + ', line ' + e.line);
 		return;
@@ -363,14 +361,14 @@ function cancelNotification()
 
 function callback(transId, eventCode, result)
 {
-	log("callback(): panelNum: " + panelNum + "  transId: " + transId + "  eventCode: " + eventCode + " result.ErrorCode: " + result.ErrorCode);
-	lastReloadTime = null; // force calendar data reload on next update
+	log("callback(): panelNum: " + panelNum + "  transId: " + transId + "  eventCode: " + eventCode + " result.ErrorCode: " + result.ErrorCode);
+	lastReloadTime = null; // force calendar data reload on next update
 	updateData();
 }
 
 function settingsCallback(transId, eventCode, result)
 {
-	log("settingsCallback(): panelNum: " + panelNum + "  transId: " + transId + "  eventCode: " + eventCode + " result.ErrorCode: " + result.ErrorCode);
+	log("settingsCallback(): panelNum: " + panelNum + "  transId: " + transId + "  eventCode: " + eventCode + " result.ErrorCode: " + result.ErrorCode);
 	loadSettings();
 }
 
@@ -438,11 +436,11 @@ function parseDate(dateString)
 		// work around bug in Nokias calendar api resulting in dates within a different DST to be off by 1 hour
 		if (summertime && !dateSummerTime) {
 			result = new Date(result.getTime() - 1000 * 60 * 60 * config['daylightSavingOffset'].Value); // -1 hour
-			log('parseDate(): fixing time -1h: ' + result);
+			log('parseDate(): fixing time -1h: ' + result);
 		}
 		else if (!summertime && dateSummerTime) {
 			result = new Date(result.getTime() + 1000 * 60 * 60 * config['daylightSavingOffset'].Value); // +1 hour
-			log('parseDate(): fixing time +1h: ' + result);
+			log('parseDate(): fixing time +1h: ' + result);
 		}
 	}
 
@@ -519,7 +517,7 @@ function formatTime(date)
 
 function updateData()
 {
-	log('updateData()');
+	log('updateData()');
 	if (errorOccured) {
 		return;
 	}
@@ -531,71 +529,71 @@ function updateData()
 		updateCalendarColors();
 		cancelNotification();
 		requestNotification();
-		lastReloadTime = null; // force calendar data reload on this update
+		lastReloadTime = null; // force calendar data reload on this update
 	}
 
-	now = new Date();
-	
-	// only reload calendar data every 6 hours, visual updates occure more often
-	if (!lastReloadTime || now.getTime() - lastReloadTime.getTime() > reloadInterval) {
-		log('updateData(): reloading calendar data');
-		try {
-			// meetings have time
-			// note: anniveraries have a start time of 12:00am. So since we want to include them, we have to query the whole day and check if events have passed later
-			summertime = isSummertime(now); // cache summer time info for today
-			var meetingList = [];
+	now = new Date();
+	
+	// only reload calendar data every 6 hours, visual updates occure more often
+	if (!lastReloadTime || now.getTime() - lastReloadTime.getTime() > reloadInterval) {
+		log('updateData(): reloading calendar data');
+		try {
+			// meetings have time
+			// note: anniveraries have a start time of 12:00am. So since we want to include them, we have to query the whole day and check if events have passed later
+			summertime = isSummertime(now); // cache summer time info for today
+			var meetingList = [];
 			for(var i=0; i < calendarList.length; i++) {
 				// ignore excluded calendars
 				if (config['excludedCalendars'].Value.indexOf(calendarList[i]) != -1)
 					continue;
-				var meetingListFiltering = {
+				var meetingListFiltering = {
 					Type:'CalendarEntry',
 					Filter:{
 						CalendarName: calendarList[i],
-						StartRange: (new Date(now.getFullYear(), now.getMonth(), now.getDate(), 0, 0, 0)),
-						EndRange: (new Date(now.getFullYear(), now.getMonth() + config['monthRange'].Value, now.getDate(), 0, 0, 0))
-					}
-				}
-				var meetingResult = calendarService.IDataSource.GetList(meetingListFiltering);
-				if (meetingResult.ErrorCode != 0)
-					throw("Error fetching calendar data: " + meetingResult.ErrorCode + ': ' + meetingResult.ErrorMessage);
-				var list = meetingResult.ReturnValue;
-				meetingList = meetingList.concat(listToArray(list, calendarList[i]));
-			}
-			log("updateData(): meetingList.sort()");
-			meetingList.sort(sortCalendarEntries);
-
-			// todos don't, they start on 00:00 hrs., but should be visible anyway
-			// this will generate a list of passed todos. We have to check if they have been marked as "done" yet
-			if (config['includeTodos'].Value) {
-				var todayTodoList = [];
-				for(var i=0; i < calendarList.length; i++) {
-					// ignore excluded calendars
-					if (config['excludedCalendars'].Value.indexOf(calendarList[i]) != -1)
-						continue;
-					var todayTodoListFiltering = {
-						Type:'CalendarEntry',
-						Filter:{
-							CalendarName: calendarList[i],
-							Type: 'ToDo',
-							StartRange: (new Date(now.getFullYear() - 1, now.getMonth(), now.getDate(), 0, 0, 0)),
-							EndRange: (new Date(now.getFullYear(), now.getMonth(), now.getDate(), 0, 0, 1))
-						}
+						StartRange: (new Date(now.getFullYear(), now.getMonth(), now.getDate(), 0, 0, 0)),
+						EndRange: (new Date(now.getFullYear(), now.getMonth() + config['monthRange'].Value, now.getDate(), 0, 0, 0))
 					}
-					var todayTodoResult = calendarService.IDataSource.GetList(todayTodoListFiltering);
-					var list = todayTodoResult.ReturnValue;
-					todayTodoList = todayTodoList.concat(listToArray(list, calendarList[i]));
 				}
-				log("updateData(): todayTodoList.sort()");
-				todayTodoList.sort(sortCalendarEntries);
-				entryLists = [todayTodoList, meetingList];
-			} else {
-				entryLists = [meetingList];
+				var meetingResult = calendarService.IDataSource.GetList(meetingListFiltering);
+				if (meetingResult.ErrorCode != 0)
+					throw("Error fetching calendar data: " + meetingResult.ErrorCode + ': ' + meetingResult.ErrorMessage);
+				var list = meetingResult.ReturnValue;
+				meetingList = meetingList.concat(listToArray(list, calendarList[i]));
 			}
-			lastReloadTime = new Date();
-		} catch(e) {
-			error('loading Calendar items list:' + e + ', line ' + e.line);
-			return;
+			log("updateData(): meetingList.sort()");
+			meetingList.sort(sortCalendarEntries);
+
+			// todos don't, they start on 00:00 hrs., but should be visible anyway
+			// this will generate a list of passed todos. We have to check if they have been marked as "done" yet
+			if (config['includeTodos'].Value) {
+				var todayTodoList = [];
+				for(var i=0; i < calendarList.length; i++) {
+					// ignore excluded calendars
+					if (config['excludedCalendars'].Value.indexOf(calendarList[i]) != -1)
+						continue;
+					var todayTodoListFiltering = {
+						Type:'CalendarEntry',
+						Filter:{
+							CalendarName: calendarList[i],
+							Type: 'ToDo',
+							StartRange: (new Date(now.getFullYear() - 1, now.getMonth(), now.getDate(), 0, 0, 0)),
+							EndRange: (new Date(now.getFullYear(), now.getMonth(), now.getDate(), 0, 0, 1))
+						}
+					}
+					var todayTodoResult = calendarService.IDataSource.GetList(todayTodoListFiltering);
+					var list = todayTodoResult.ReturnValue;
+					todayTodoList = todayTodoList.concat(listToArray(list, calendarList[i]));
+				}
+				log("updateData(): todayTodoList.sort()");
+				todayTodoList.sort(sortCalendarEntries);
+				entryLists = [todayTodoList, meetingList];
+			} else {
+				entryLists = [meetingList];
+			}
+			lastReloadTime = new Date();
+		} catch(e) {
+			error('loading Calendar items list:' + e + ', line ' + e.line);
+			return;
 		}
 	}
 
@@ -629,17 +627,17 @@ function updateData()
 		else
 			max = 30; // we can display a lot more events in fullscreen mode
 
-		if (config['enableLogging'].Value) {
-			var listinfo = "";
-			for (var i=0; i < entryLists.length; i++) {
-				listinfo = listinfo + " " + entryLists[i].length;
-				var entrieslist = "";
-				for (var j=0; j < entryLists[i].length; j++) {
-					entrieslist += entryLists[i][j].Summary + ", ";
-				}
-				log("updateData(): entrieslist: " + entrieslist);
+		if (config['enableLogging'].Value) {
+			var listinfo = "";
+			for (var i=0; i < entryLists.length; i++) {
+				listinfo = listinfo + " " + entryLists[i].length;
+				var entrieslist = "";
+				for (var j=0; j < entryLists[i].length; j++) {
+					entrieslist += entryLists[i][j].Summary + ", ";
+				}
+				log("updateData(): entrieslist: " + entrieslist);
 			}
-			log("updateData(): inner loop, " + entryLists.length + " lists, [" + listinfo + "] entries");
+			log("updateData(): inner loop, " + entryLists.length + " lists, [" + listinfo + "] entries");
 		}
 		
 		// the first outer loop iteration is for passed ToDos, the second loop is for all upcomming events (may also include ToDos)
@@ -655,18 +653,18 @@ function updateData()
 						entryInfo += entryFields[k] + "=" + entry[entryFields[k]] + ",";
 					}
 				}
-				log(entryInfo);
+				log(entryInfo);
 
 				// we don't want ToDos when includeTodos == false or when they are completed
 				if (entry.Type == 'ToDo' && (entry.Status == "TodoCompleted" || !config['includeTodos'].Value)) {
-					log('skipping ' + entry.id );
+					log('skipping ' + entry.id );
 					counter--;
 					continue;
 				}
 
 				// make sure that we don't include an event twice (useful for ToDos that might come up twice)
 				if (eventIds[entry.id] == 1 && entry.Type == 'ToDo') {
-					log('skipped (already included) ' + entry.id);
+					log('skipped (already included) ' + entry.id);
 					counter--;
 					continue;
 				} else
@@ -674,7 +672,7 @@ function updateData()
 
 				// summary can be undefined!
 				var Summary = ((entry.Summary == null) ? '' : entry.Summary);
-				if (entry.Type == 'Meeting' && entry.Location != '' && config['showLocation'].Value)
+				if (entry.Location != '' && entry.Location != undefined && config['showLocation'].Value)
 					Summary += ', ' + entry.Location;
 				
 				// fix by yves: determine start and end dates/times
@@ -689,15 +687,15 @@ function updateData()
 
 				// Convert date/time string to Date object
 				var date = parseDate(entryDate);
-				log('date: ' + date);
+				log('date: ' + date);
 				var endDate = ((entryEndTime == null) ? null : parseDate(entryEndTime));
-				log('endDate: ' + endDate);
+				log('endDate: ' + endDate);
 
 				// check if meeting event has already passed
 				if (entry.Type == 'Meeting') {
 					var compareTime = ((endDate == null) ? date.getTime() : endDate.getTime());
 					if (now.getTime() > compareTime) {
-						log('skipping Meeting (already passed) ' + entry.id);
+						log('skipping Meeting (already passed) ' + entry.id);
 						counter--;
 						eventIds[entry.id] = 0;
 						continue;
@@ -708,7 +706,7 @@ function updateData()
 				if (entry.Type == 'Anniversary') {
 					var tmp = new Date(now.getFullYear(), now.getMonth(), now.getDate(), 0,0,0);
 					if (date.getTime() < tmp.getTime()) {
-						log('skipping Anniversary (already passed) ' + entry.id);
+						log('skipping Anniversary (already passed) ' + entry.id);
 						counter--;
 						eventIds[entry.id] = 0;
 						continue;
@@ -718,9 +716,9 @@ function updateData()
 				// fix DayEvents end time. End times are off by 1 Second. It's possible that the event has already passed
 				if (entry.Type == 'DayEvent' && endDate != null) {
 					endDate.setMinutes(endDate.getMinutes() - 1);
-					log('fixing DayEvent endDate: ' + endDate);
+					log('fixing DayEvent endDate: ' + endDate);
 					if (now.getTime() > endDate.getTime()) {
-						log('event already passed ' + entry.id);
+						log('event already passed ' + entry.id);
 						counter--;
 						eventIds[entry.id] = 0;
 						continue;
@@ -732,13 +730,13 @@ function updateData()
 					// check if we are between start and endtime
 					if ((date.getTime() < now.getTime()) && (now.getTime() < endDate.getTime())) {
 						date = now; // change appointment date/time to now
-						log('event is currently taking place: ' + date);
+						log('event is currently taking place: ' + date);
 					}
 				}
 
 				// skip events for the first panel in case this is the second one and we're not in fullscreen mode
 				if (mode == 0 && panelNum > 0 && counter < panelNum * config['eventsPerWidget'].Value + 1) {
-					log('skipping (already in first widget) ' + entry.id);
+					log('skipping (already in first widget) ' + entry.id);
 					continue;
 				}
 				
@@ -812,11 +810,11 @@ function updateData()
 	}
 }
 
-// called by handleOnShow() and onResize events
+// called by handleOnShow() and onResize events
 function updateScreen()
 {
-	log('updateScreen()');
-
+	log('updateScreen()');
+
 	// check if opening fullscreen
 	if( window.innerHeight > 91 && mode == 0) {
 		mode = 1;
@@ -831,18 +829,18 @@ function updateScreen()
 	}
 	
 	if (mode == 0)
-		updateHomescreen(); // check for screen rotation
+		updateHomescreen(); // check for screen rotation
 	else if (mode == 1)
 		updateFullscreen();
-}
-
-function handleOnShow()
-{
-	updateScreen();
-
+}
+
+function handleOnShow()
+{
+	updateScreen();
+
 	var time = new Date();
 	if (time.getTime() - lastUpdateTime.getTime() > config['updateDataInterval'].Value * 60 * 1000) {
-		log('updateScreen(): force updateData() because last update was too long ago (' + (time.getTime() - lastUpdateTime.getTime()) / 1000 + 's)');
+		log('updateScreen(): force updateData() because last update was too long ago (' + (time.getTime() - lastUpdateTime.getTime()) / 1000 + 's)');
 		clearUpdateTimer();
 		updateData();
 		setUpdateTimer(); // reinitialize update timer
@@ -863,7 +861,7 @@ function launchCalendar()
 
 function init()
 {
-	log('New widget instance starting up...');
+	log('New widget instance starting up...');
 	
 	try {
 		// call calendar service
@@ -890,25 +888,25 @@ function init()
 	else {
 		mode = 1;
 	}
-	log("init(): updateScreen()");
+	log("init(): updateScreen()");
 	updateScreen();
 	if (config['useBackgroundImage'].Value)
 		// check for screen rotation every 1 secs
-		screenRotationTimer = window.setInterval('checkOrientation()', 1000 * 1);
-	
-	// call updateScreen() when widget changes from background to forground
-	window.widget.onshow = handleOnShow;
-
-	log("init(): finished...");
+		screenRotationTimer = window.setInterval('checkOrientation()', 1000 * 1);
+	
+	// call updateScreen() when widget changes from background to forground
+	window.widget.onshow = handleOnShow;
+
+	log("init(): finished...");
+}
+
+function checkOrientation()
+{
+	//updateScreen();
+	if (mode == 0)
+		updateHomescreen(); // check for screen rotation
 }
 
-function checkOrientation()
-{
-	//updateScreen();
-	if (mode == 0)
-		updateHomescreen(); // check for screen rotation
-}
-
 function setUpdateTimer()
 {
 	updateTimer = window.setInterval('updateTimerCallback()', 1000 * 60 * config['updateDataInterval'].Value);
@@ -921,7 +919,7 @@ function clearUpdateTimer()
 
 function updateTimerCallback()
 {
-	log("updateTimerCallback()");
+	log("updateTimerCallback()");
 	updateData();
 }
 
@@ -962,13 +960,16 @@ function showSettings()
 				config[key].Value = document.forms[0].elements["settings." + key].value;
 			else if (config[key].Type == 'Int') {
 				config[key].Value = parseInt(document.forms[0].elements["settings." + key].value);
-				if (config[key].Value < 0)
+				if (config[key].Value < 0 || isNaN(config[key].Value))
 					config[key].Value = config[key].Default;
 			}
 			else if (config[key].Type == 'Bool')
 				config[key].Value = document.forms[0].elements["settings." + key].checked;
-			else if (config[key].Type == 'UID')
+			else if (config[key].Type == 'UID') {
 				config[key].Value = parseInt(document.forms[0].elements["settings." + key].value);
+				if (isNaN(config[key].Value))
+					config[key].Value = config[key].Default;
+			}
 			else if (config[key].Type == 'Enum') {
 				config[key].Value = document.forms[0].elements["settings." + key].value;
 				if (config[key].ValidValues.indexOf(config[key].Value) == -1)
@@ -1063,8 +1064,8 @@ function getSettingsCalEntryId()
 		var listFiltering = {
 			Type:'CalendarEntry', 
 			Filter:{
-				StartRange: new Date(2000, 0, 1),
-				EndRange: new Date(2000, 0, 1),
+				StartRange: new Date(1999, 11, 30), // note: due to Nokia's buggy calendar API, the settings event can be on 01.01.2000 AND on 31.12.1999, depending on when the calendar entry was created (in summer or winter). It is not even possible to narrow the search down to these two days (probably because of DST offsets). So we're looking for an event between 30.12.1999 and 02.01.2000!
+				EndRange: new Date(2000, 0, 2),
 				SearchText: 'ComingNext Settings|',
 				Type: 'DayEvent'
 			}
@@ -1078,7 +1079,7 @@ function getSettingsCalEntryId()
 		var entry = list.getNext();
 		if (entry != undefined) {
 			settingsCalEntryId = entry.LocalId;
-			log("settingsCalEntryId=" + settingsCalEntryId);
+			log("settingsCalEntryId=" + settingsCalEntryId);
 		}
 		else { // create settings item
 			var item = new Object();
@@ -1125,7 +1126,7 @@ function loadSettings()
 	}
 	var entry = result.ReturnValue.getNext();
 	if (entry != undefined)	{
-		log("Loading Settings...");
+		log("Loading Settings...");
 		// only reload settings if they chanced since the last reload
 		if (settingsCache != entry.Summary)
 		{
@@ -1136,17 +1137,27 @@ function loadSettings()
 				var pair = stringlist[i].split('=');
 				var key = pair[0];
 				var value = pair[1];
-				log('stringlist: ' + key + '=\'' + value + '\'');
-				if (config[key].Type == 'Int')
+				if (key == null || value == null || config[key] == null) {
+					log('Warning: unknown or invalid setting: ' + stringlist[i]);
+					continue;
+				}
+				log('stringlist: ' + key + '=\'' + value + '\'');
+				if (config[key].Type == 'Int') {
 					config[key].Value = Number(value);
+					if (isNaN(config[key].Value))
+						config[key].Value = config[key].Default;
+				}
 				else if (config[key].Type == 'String')
 					config[key].Value = value;
 				else if (config[key].Type == 'Bool')
 					config[key].Value = (value == 'true')
 				else if (config[key].Type == 'Enum')
 					config[key].Value = value;
-				else if (config[key].Type == 'UID')
+				else if (config[key].Type == 'UID') {
 					config[key].Value = Number(value);
+					if (isNaN(config[key].Value))
+						config[key].Value = config[key].Default;
+				}
 				else if (config[key].Type == 'Array') {
 					config[key].Value = value.split("^");
 					if (config[key].Value.length == 1 && config[key].Value[0] == "") {
@@ -1158,7 +1169,7 @@ function loadSettings()
 			updateCssClasses();
 		}
 		else {
-			log("Settings already cached and did not change");
+			log("Settings already cached and did not change");
 		}
 	}
 	else {
@@ -1195,7 +1206,7 @@ function saveSettings()
 	criteria.Type = "CalendarEntry";
 	criteria.Item = item;
 
-	log("Saving settings to calendar entry: " + item.Summary);
+	log("Saving settings to calendar entry: " + item.Summary);
 	try {
 		var result = calendarService.IDataSource.Add(criteria);
 		if (result.ErrorCode)
@@ -1204,7 +1215,7 @@ function saveSettings()
 		error("saveSettings: " + e + ', line ' + e.line);
 	}
 	
-	lastReloadTime = null; // force calendar data reload on next update
+	lastReloadTime = null; // force calendar data reload on next update
 	clearUpdateTimer();
 	setUpdateTimer();
 }
@@ -1253,7 +1264,7 @@ function updateFullscreen()
 
 function showFullscreen()
 {
-	log("showFullscreen()");
+	log("showFullscreen()");
 	hideViews();
 	document.getElementById("fullscreenView").style.display = "block";
 	document.getElementById('body').className = "backgroundFullscreen";
@@ -1278,14 +1289,22 @@ function getBackgroundImage()
 function updateHomescreen()
 {
 	if (config['useBackgroundImage'].Value) {
+		// check if we have a completely unknown screen resolution
+		var screenHeight = screen.height;
+		var screenWidth = screen.width;
+		if (screenHeight != 640 && screenHeight != 480 && screenHeight != 360)
+			screenHeight = 360; // we can only assume we're in portrait mode, so we set the screen dims as needed for the following code
+		if (screenWidth != 640 && screenWidth != 480 && screenWidth != 360)
+			screenWidth = 640; // we can only assume we're in portrait mode, so we set the screen dims as needed for the following code
+		
 		// check for screen rotation
-		if (orientation != 'portrait' && screen.width == 360 && screen.height == 640) {
+		if (orientation != 'portrait' && ((screenWidth == 360 && screenHeight == 640) || (screenWidth == 640 && screenHeight == 480))) {
 			window.widget.prepareForTransition("fade");
 			orientation = 'portrait';
 			document.getElementById('body').style.backgroundImage = 'url(' + getBackgroundImage() + ')';
 			document.getElementById('body').style.backgroundColor = 'none';
 			window.widget.performTransition();
-		} else if (orientation != 'landscape' && screen.width == 640 && screen.height == 360) {
+		} else if (orientation != 'landscape' && ((screenWidth == 640 && screenHeight == 360) || (screenWidth == 480 && screenHeight == 640))) {
 			window.widget.prepareForTransition("fade");
 			orientation = 'landscape';
 			document.getElementById('body').style.backgroundImage = 'url(' + getBackgroundImage() + ')';
@@ -1301,7 +1320,7 @@ function updateHomescreen()
 
 function showHomescreen()
 {
-	log("showHomescreen()");
+	log("showHomescreen()");
 	hideViews();
 	document.getElementById("homescreenView").style.display = "block";
 	document.getElementById('body').className = "background";
@@ -1384,6 +1403,10 @@ function hideViews()
 
 function listCalendars()
 {
+	if (errorOccured) {
+		return null;
+	}
+
 	try {
 		var criteria = {
 			Type:'Calendar', 
@@ -1403,7 +1426,7 @@ function listCalendars()
 		while (( item = calendarListIterator.getNext()) != undefined ) {
 			calendars[count++] = item;
 		}
-		log("Available Calendars: " + calendars.join(", "));
+		log("Available Calendars: " + calendars.join(", "));
 		return calendars;
 	} catch(e) {
 		error('listing calendars:' + e + ', line ' + e.line);
@@ -1430,14 +1453,14 @@ function listToArray(list, calendarName)
 		array.push(itemCopy);
 		txt += array[array.length - 1].Summary + ", ";
 	}
-	log("listToArray(): " + txt);
+	log("listToArray(): " + txt);
 	return array;
 }
 
 function sortCalendarEntries(a, b)
 {
 	var atime, btime;
-	log("sortCalendarEntries(" + a.Summary + "," + b.Summary + ")");
+	log("sortCalendarEntries(" + a.Summary + "," + b.Summary + ")");
 	
 	if (a.InstanceStartTime != null) {
 		atime = a.InstanceStartTime;
@@ -1532,19 +1555,20 @@ function updateCalendarColors()
 	var maxColors = 6;
 	calendarColors = [];
 	if (calendarList.length > maxColors) {
-		log("updateCalendarColors(): Warning: more calendars than available indicator colors");
+		log("updateCalendarColors(): Warning: more calendars than available indicator colors");
 	}
 	for(var i=0; i < calendarList.length; i++) {
 		calendarColors[calendarList[i]] = (i % maxColors) + 1;
 	}
 }
 
-function log(message) {
-	if (config['enableLogging'].Value) {
-		console.info(message);
-	}
-}
-
+function log(message)
+{
+	if (config['enableLogging'].Value) {
+		console.info(message);
+	}
+}
+
 </script>
 
 <style type="text/css">
@@ -1565,9 +1589,9 @@ hr { color:#ffffff; background-color:#ffffff; height:1px; text-align:left; borde
 
 </head>
 
-<body onload="javascript:setTimeout('init()', 10)" onresize="javascript:updateScreen()" id="body" class="background">
+<body onload="javascript:setTimeout('init()', 10)" onresize="javascript:updateScreen()" id="body" class="background">
 <div id="homescreenView">
-	<div id="calendarList"></div>
+	<div id="calendarList">loading...</div>
 </div>
 <div id="fullscreenView" style="display:none;">
 	<img src="Icon.png" id="smallappicon">