X-Git-Url: https://code.delx.au/comingnext/blobdiff_plain/abc614453db2cfd8d85b80ae49c61f1577e6c8f6..5f9fab5de1f21312fb80ee1c64f02343fb73cad1:/comingNext/index.html

diff --git a/comingNext/index.html b/comingNext/index.html
index 372489b..145ac24 100644
--- a/comingNext/index.html
+++ b/comingNext/index.html
@@ -7,23 +7,29 @@
 
 <style type="text/css">
 /* The following classes can be modified by widget settings */
-.background { }
-.backgroundFullscreen { }
+.background { color:#ffffff; background-color:#000000 }
+.backgroundFullscreen { color:#ffffff; background-color:#000000 }
 .weekDay { }
 .date { }
-.today { }
-.tomorrow { }
+.today { color:#ff0000 }
+.tomorrow { color:#0000ff }
 .time { }
-.now { }
+.now { color:#ff00ff }
 .description { }
-.icon { }
-.overdue {}
+.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" />
 
 <script>
-// valid types for the config object are 'Int', 'Bool', 'String', 'Enum', 'UID'
+// valid types for the config object are 'Int', 'Bool', 'String', 'Enum', 'UID', 'Array'
 var config = {
 	monthRange: { Type: 'Int', Default: 2, Value: 2,},
 	includeTodos: { Type: 'Bool', Default: true, Value: true,},
@@ -47,7 +53,11 @@ var config = {
 	showNothingText: { Type: 'Bool', Default: true, Value: true,},
 	nothingText: { Type: 'String', Default: getLocalizedText('settings.default.nothingText'), Value: getLocalizedText('settings.default.nothingText'),},
 	enableDaylightSaving: { Type: 'Bool', Default: true, Value: true,},
+	daylightSavingOffset: { Type: 'Int', Default: 1, Value: 1,},
 	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,},
 	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: '',},
@@ -59,6 +69,12 @@ var config = {
 	cssStyle_description: { Type: 'String', Default: '', Value: '',},
 	cssStyle_icon: { Type: 'String', Default: 'width:15px; height:15px', Value: 'width:15px; height:15px',},
 	cssStyle_overdue: { Type: 'String', Default: 'color:#ffff00', Value: 'color:#ffff00',},
+	cssStyle_calendar1: { Type: 'String', Default: 'background-color:#0757cf', Value: 'background-color:#0757cf',},
+	cssStyle_calendar2: { Type: 'String', Default: 'background-color:#579f37', Value: 'background-color:#579f37',},
+	cssStyle_calendar3: { Type: 'String', Default: 'background-color:#ff9f07', Value: 'background-color:#ff9f07',},
+	cssStyle_calendar4: { Type: 'String', Default: 'background-color:#af8fef', Value: 'background-color:#af8fef',},
+	cssStyle_calendar5: { Type: 'String', Default: 'background-color:#57afbf', Value: 'background-color:#57afbf',},
+	cssStyle_calendar6: { Type: 'String', Default: 'background-color:#9fdf57', Value: 'background-color:#9fdf57',},
 }
 
 
@@ -67,7 +83,7 @@ var config = {
 // Nothing of interest from here on...
 //-------------------------------------------------------
 var panelNum = 0; // use 1 for second panel
-var version = "1.29";
+var version = "1.31";
 var versionURL = "http://comingnext.sourceforge.net/version.xml";
 var calendarService = null;
 var cacheEntriesHtml = [];
@@ -78,19 +94,26 @@ var mode = 0; // 0 = homescreen, 1 = fullscreen, 2 = settings, 3 = about, 4 = ch
 var reqV = null; 
 var settingsCalEntryId = null;
 var settingsCache = null;
-var notificationRequest1;
-var notificationRequest2;
+var notificationRequests = new Array();
 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 errorOccured = false;
+var entryLists = null; // stores all fetched calendar entries until data is refreshed
 
 // vars for daylight saving time
-var daylightsavingWinter = 0;
-var daylightsavingSummer = 0;
-var summertime = false;
+var summertime = false; // true, if current date is in summer, false if in winter
+var daylightSavingDates = new Object(); // caches calculated DST winter and summer time shift dates
 
 // this is a list of data fields a calendar event can have
 var entryFields = [
 	"id",
 	"Type",
+	"CalendarName",
 	"Summary",
 	"Location",
 	"Status",
@@ -127,49 +150,57 @@ function subToSunday(myDate, year, days, prevMonthDays)
 	days = isLeapYear(year) ? --days : days;
 	return days;
 }
-	
-function calcDaylightSaving()
+
+function isSummertime(curDate)
 {
-	var thisYearS = new Date(now.getFullYear(),  3, 0, 0, 0, 0 );
-	var thisYearW = new Date(now.getFullYear(), 10, 0, 0, 0, 0 );
-	var nextYearS = new Date(now.getFullYear() + 1,  3, 0, 0, 0, 0 );
-	var nextYearW = new Date(now.getFullYear() + 1, 10, 0, 0, 0, 0 );
 	var summer = false;
 	var winter = false;
-	
-	thisYearSDays = nextYearSDays = 90;
-	thisYearWDays = nextYearWDays = 304;
-	
-	thisYearSDays = calcLeapYear(now.getFullYear(), thisYearSDays);
-	thisYearWDays = calcLeapYear(now.getFullYear(), thisYearWDays);
-	nextYearSDays = calcLeapYear(now.getFullYear() + 1, nextYearSDays);
-	nextYearWDays = calcLeapYear(now.getFullYear() + 1, nextYearWDays);
-	
-	thisYearSDays = subToSunday(thisYearS, now.getFullYear(), thisYearSDays, 59);
-	thisYearWDays = subToSunday(thisYearW, now.getFullYear(), thisYearWDays, 273);
-	nextYearSDays = subToSunday(nextYearS, now.getFullYear() + 1, nextYearSDays, 59);
-	nextYearWDays = subToSunday(nextYearW, now.getFullYear() + 1, nextYearWDays, 273);
-	
-	daylightsavingSummer = new Date (now.getFullYear(), 03-1, thisYearSDays, 2, 0, 0);
-	daylightsavingWinter = new Date (now.getFullYear(), 10-1, thisYearWDays, 2, 0, 0);
-	if (daylightsavingSummer < now) {
-		daylightsavingSummer = new Date (now.getFullYear()+1, 03-1, nextYearSDays, 2, 0, 0);
-		var summer = true;
-	}
-	if (daylightsavingWinter < now) {
-		daylightsavingWinter = new Date (now.getFullYear()+1, 10-1, nextYearWDays, 2, 0, 0);
-		var winter = true;
+
+	// if we already calculated DST summer and winter time dates for this year, use cached values
+	var dst = daylightSavingDates[curDate.getFullYear()];
+	if (!dst) {
+		var thisYearS = new Date(curDate.getFullYear(),  3, 0, 0, 0, 0 );
+		var thisYearW = new Date(curDate.getFullYear(), 10, 0, 0, 0, 0 );
+		var nextYearS = new Date(curDate.getFullYear() + 1,  3, 0, 0, 0, 0 );
+		var nextYearW = new Date(curDate.getFullYear() + 1, 10, 0, 0, 0, 0 );
+		
+		thisYearSDays = nextYearSDays = 90;
+		thisYearWDays = nextYearWDays = 304;
+		
+		thisYearSDays = calcLeapYear(curDate.getFullYear(), thisYearSDays);
+		thisYearWDays = calcLeapYear(curDate.getFullYear(), thisYearWDays);
+		nextYearSDays = calcLeapYear(curDate.getFullYear() + 1, nextYearSDays);
+		nextYearWDays = calcLeapYear(curDate.getFullYear() + 1, nextYearWDays);
+		
+		thisYearSDays = subToSunday(thisYearS, curDate.getFullYear(), thisYearSDays, 59);
+		thisYearWDays = subToSunday(thisYearW, curDate.getFullYear(), thisYearWDays, 273);
+		nextYearSDays = subToSunday(nextYearS, curDate.getFullYear() + 1, nextYearSDays, 59);
+		nextYearWDays = subToSunday(nextYearW, curDate.getFullYear() + 1, nextYearWDays, 273);
+		
+		dst = {
+			Summer: new Date (curDate.getFullYear(), 03-1, thisYearSDays, 2, 0, 0),
+			Winter: new Date (curDate.getFullYear(), 10-1, thisYearWDays, 2, 0, 0),
+		}
+		daylightSavingDates[curDate.getFullYear()] = dst;
 	}
+
+	if (dst.Summer < curDate)
+		summer = true;
+	if (dst.Winter < curDate)
+		winter = true;
 	if (summer && !winter)
-		summertime = true;
+		return true;
 	else
-		summertime = false;
+		return false;
 }
 
 function error(message)
 {
 	console.info('Error: ' + message);
 	document.getElementById("calendarList").innerHTML = 'Error: ' + message;
+	document.getElementById("fullscreenCalendarList").innerHTML = 'Error: ' + message;
+	errorOccured = true;
+	document.onclick = null;
 }
 
 function areDatesEqual(date1, date2)
@@ -263,7 +294,7 @@ function collectLocales()
 				month = tmp;
 			}
 
-			console.info(entry.StartTime + ' -> ' + month + ' ' + counter);
+			log(entry.StartTime + ' -> ' + month + ' ' + counter);
 			ids[counter] = entry.id;
 			months_translated[month] = counter + 1;
 			counter++;
@@ -272,7 +303,7 @@ function collectLocales()
 		error(e + ', line ' + e.line);
 		return;
 	}
-	console.info(ids);
+	log(ids);
 	try {
 		var criteria = new Object();
 		criteria.Type = "CalendarEntry";
@@ -293,13 +324,17 @@ function requestNotification()
 {
 	var criteria = new Object();
 	criteria.Type = "CalendarEntry";
-
-	try {
-		notificationRequest1 = calendarService.IDataSource.RequestNotification(criteria, callback);
-		if (notificationRequest1.ErrorCode)
-			error('requestNotification failed with error code ' + notificationRequest1.ErrorCode);
-	} catch (e) {
-		error("requestNotification: " + e + ', line ' + e.line);
+	criteria.Filter = new Object();
+	for(var i=0; i < calendarList.length; i++) {
+		criteria.Filter.CalendarName = calendarList[i];
+		try {
+			var notificationRequest = calendarService.IDataSource.RequestNotification(criteria, callback);
+			if (notificationRequest.ErrorCode)
+				error('requestNotification failed with error code ' + notificationRequest.ErrorCode);
+			notificationRequests.push(notificationRequest);
+		} catch (e) {
+			error("requestNotification: " + e + ', line ' + e.line);
+		}
 	}
 
 	var criteria2 = new Object();
@@ -307,25 +342,39 @@ function requestNotification()
 	criteria2.Filter = new Object();
 	criteria2.Filter.LocalIdList = new Array();
 	criteria2.Filter.LocalIdList[0] = settingsCalEntryId;
-
 	try {
-		notificationRequest2 = calendarService.IDataSource.RequestNotification(criteria2, settingsCallback);
-		if (notificationRequest2.ErrorCode)
-			error('requestNotification failed with error code ' + notificationRequest2.ErrorCode);
+		var notificationRequest = calendarService.IDataSource.RequestNotification(criteria2, settingsCallback);
+		if (notificationRequest.ErrorCode)
+			error('requestNotification failed with error code ' + notificationRequest.ErrorCode);
+		notificationRequests.push(notificationRequest);
 	} catch (e) {
 		error("requestNotification: " + e + ', line ' + e.line);
 	}
 }
 
+function cancelNotification()
+{
+	for(var i=0; i < notificationRequests.length; i++) {
+		try {
+			var result = calendarService.IDataSource.Cancel(notificationRequests[i]);
+			if (result.ErrorCode)
+				error('cancelNotification failed with error code ' + result.ErrorCode);
+		} catch (e) {
+			error("cancelNotification: " + e + ', line ' + e.line);
+		}
+	}
+}
+
 function callback(transId, eventCode, result)
 {
-	console.info("callback(): panelNum: %d  transId: %d  eventCode: %d result.ErrorCode: %d", panelNum, transId, eventCode, result.ErrorCode);
+	log("callback(): panelNum: %d  transId: %d  eventCode: %d result.ErrorCode: %d", panelNum, transId, eventCode, result.ErrorCode);
+	lastReloadTime = null; // force calendar data reload on next update
 	updateData();
 }
 
 function settingsCallback(transId, eventCode, result)
 {
-	console.info("settingsCallback(): panelNum: %d  transId: %d  eventCode: %d result.ErrorCode: %d", panelNum, transId, eventCode, result.ErrorCode);
+	log("settingsCallback(): panelNum: %d  transId: %d  eventCode: %d result.ErrorCode: %d", panelNum, transId, eventCode, result.ErrorCode);
 	loadSettings();
 }
 
@@ -382,18 +431,26 @@ function parseDate(dateString)
 	if (dateArr.length == 6 && dateArr[5].toLowerCase() == 'am' && hours == 12)
 		hours = 0;
 
-	console.info('year=' + year + ' month=' + month + ' day=' + day + ' hours=' + hours + ' minutes=' + minutes+ ' seconds=' + seconds);
-
+	var result = new Date(year, month - 1, day, hours, minutes, seconds);
+	
 	// take care of daylight saving time
 	if (config['enableDaylightSaving'].Value) {
-		var date = new Date(year, month - 1, day, hours, minutes, seconds);
-		if (summertime && date > daylightsavingWinter && date < daylightsavingSummer)
-			hours -= 1;
-		else if (!summertime && date > daylightsavingSummer && date < daylightsavingWinter)
-			hours += 1;
+		
+		// determine if date is in summer or winter time
+		var dateSummerTime = isSummertime(result);
+
+		// 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);
+		}
+		else if (!summertime && dateSummerTime) {
+			result = new Date(result.getTime() + 1000 * 60 * 60 * config['daylightSavingOffset'].Value); // +1 hour
+			log('parseDate(): fixing time +1h: ' + result);
+		}
 	}
 
-	return new Date(year, month - 1, day, hours, minutes, seconds);
+	return result;
 }
 
 // returns a short date as string ("31.12" or "12.31") based on the format string which should look like "Wednesday,  26 August, 2009 12:00:00 am"
@@ -466,58 +523,84 @@ function formatTime(date)
 
 function updateData()
 {
-	console.info('updateData()');
-	calcDaylightSaving();
-	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
-		now = new Date();
-		var meetingList = [];
-		for(var i=0; i < calendarList.length; i++) {
-			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));
-		}
-		console.info("updateData(): meetingList.sort()");
-		meetingList.sort(sortCalendarEntries);
+	log('updateData()');
+	if (errorOccured) {
+		return;
+	}
 
-		// 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 = [];
+	// check if we got additional or less calendars since our last update
+	var newCalendarList = listCalendars();
+	if (newCalendarList.length != calendarList.length) {
+		calendarList = newCalendarList;
+		updateCalendarColors();
+		cancelNotification();
+		requestNotification();
+		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 = [];
 			for(var i=0; i < calendarList.length; i++) {
-				var todayTodoListFiltering = {
+				// ignore excluded calendars
+				if (config['excludedCalendars'].Value.indexOf(calendarList[i]) != -1)
+					continue;
+				var meetingListFiltering = {
 					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 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))
+						}
 					}
+					var todayTodoResult = calendarService.IDataSource.GetList(todayTodoListFiltering);
+					var list = todayTodoResult.ReturnValue;
+					todayTodoList = todayTodoList.concat(listToArray(list, calendarList[i]));
 				}
-				var todayTodoResult = calendarService.IDataSource.GetList(todayTodoListFiltering);
-				var list = todayTodoResult.ReturnValue;
-				todayTodoList = todayTodoList.concat(listToArray(list));
+				log("updateData(): todayTodoList.sort()");
+				todayTodoList.sort(sortCalendarEntries);
+				entryLists = [todayTodoList, meetingList];
+			} else {
+				entryLists = [meetingList];
 			}
-			console.info("updateData(): todayTodoList.sort()");
-			todayTodoList.sort(sortCalendarEntries);
-			var entryLists = [todayTodoList, meetingList];
-		} else {
-			var entryLists = [meetingList];
+			lastReloadTime = new Date();
+		} catch(e) {
+			error('loading Calendar items list:' + e + ', line ' + e.line);
+			return;
 		}
-	} catch(e) {
-		error('loading Calendar items list:' + e + ', line ' + e.line);
-		return;
 	}
 
 	try {
@@ -550,16 +633,18 @@ function updateData()
 		else
 			max = 30; // we can display a lot more events in fullscreen mode
 
-		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 + ", ";
+		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);
 			}
-			console.info("updateData(): entrieslist: " + entrieslist);
+			log("updateData(): inner loop, " + entryLists.length + " lists, [" + listinfo + "] entries");
 		}
-		console.info("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)
 		for (var i=0; counter < max && i < entryLists.length; i++) {
@@ -574,18 +659,18 @@ function updateData()
 						entryInfo += entryFields[k] + "=" + entry[entryFields[k]] + ",";
 					}
 				}
-				console.info(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)) {
-					console.info('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') {
-					console.info('skipped (already included) ' + entry.id);
+					log('skipped (already included) ' + entry.id);
 					counter--;
 					continue;
 				} else
@@ -608,15 +693,15 @@ function updateData()
 
 				// Convert date/time string to Date object
 				var date = parseDate(entryDate);
-				console.info('date: ' + date);
+				log('date: ' + date);
 				var endDate = ((entryEndTime == null) ? null : parseDate(entryEndTime));
-				console.info('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) {
-						console.info('skipping Meeting (already passed) ' + entry.id);
+						log('skipping Meeting (already passed) ' + entry.id);
 						counter--;
 						eventIds[entry.id] = 0;
 						continue;
@@ -627,7 +712,7 @@ function updateData()
 				if (entry.Type == 'Anniversary') {
 					var tmp = new Date(now.getFullYear(), now.getMonth(), now.getDate(), 0,0,0);
 					if (date.getTime() < tmp.getTime()) {
-						console.info('skipping Anniversary (already passed) ' + entry.id);
+						log('skipping Anniversary (already passed) ' + entry.id);
 						counter--;
 						eventIds[entry.id] = 0;
 						continue;
@@ -637,9 +722,9 @@ 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);
-					console.info('fixing DayEvent endDate: ' + endDate);
+					log('fixing DayEvent endDate: ' + endDate);
 					if (now.getTime() > endDate.getTime()) {
-						console.info('event already passed ' + entry.id);
+						log('event already passed ' + entry.id);
 						counter--;
 						eventIds[entry.id] = 0;
 						continue;
@@ -651,13 +736,13 @@ 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
-						console.info('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) {
-					console.info('skipping (already in first widget) ' + entry.id);
+					log('skipping (already in first widget) ' + entry.id);
 					continue;
 				}
 				
@@ -672,7 +757,11 @@ function updateData()
 				}
 
 				// generate html output
-				entriesHtml += '<tr><td><img class="icon" src="' + entry.Type + '.png" /></td>';
+				entriesHtml += '<tr>';
+				if (config['showCalendarIndicator'].Value && calendarList.length - config['excludedCalendars'].Value.length > 1) {
+					entriesHtml += '<td><span class="calendar' + calendarColors[entry.CalendarName] + '">&nbsp;</span></td>';
+				}
+				entriesHtml += '<td><img class="icon" src="' + entry.Type + '.png" /></td>';
 				if(date == null) {
 					// some languages have very strange locale date formats, can't parse all those. Also some todos don't have dates at all.
 					entriesHtml += '<td colspan="4"><span class="date">' + entryDate + '</span> ';
@@ -719,6 +808,8 @@ function updateData()
 				document.getElementById('fullscreenCalendarList').innerHTML = entriesHtml;
 			cacheEntriesHtml = entriesHtml;
 		}
+		
+		lastUpdateTime = new Date();
 	} catch(e) {
 		error('displaying list:' + e + ', line ' + e.line);
 		return;
@@ -744,6 +835,14 @@ function updateScreen()
 		updateHomescreen();
 	else if (mode == 1)
 		updateFullscreen();
+	
+	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)');
+		clearUpdateTimer();
+		updateData();
+		setUpdateTimer(); // reinitialize update timer
+	}
 }
 
 function launchCalendar()
@@ -760,7 +859,7 @@ function launchCalendar()
 
 function init()
 {
-	console.info('New widget instance starting up...');
+	log('New widget instance starting up...');
 	
 	try {
 		// call calendar service
@@ -769,30 +868,46 @@ function init()
 		else
 			throw('device object does not exist');
 	} catch(e) {
-		error('loading Calendar service: ' + e + ', line ' + e.line);
-		return;
+		error('loading Calendar service: ' + e + ', line ' + e.line + '<br /><a onclick="widget.openURL(\'http://comingnext.sf.net/help\'); return false;" href="http://comingnext.sf.net/help">' + getLocalizedText('menu.help') + '</a>');
+		//return;
 	}
 
 	calendarList = listCalendars();
 	loadSettings();
+	updateCalendarColors();
 	collectLocales();
 	//updateData();
 	requestNotification();
-	window.setInterval('updateData()', 1000 * 60 * config['updateDataInterval'].Value);
 	document.getElementById("settingsTitle").innerHTML = getLocalizedText('menu.settings');
-
+	setUpdateTimer();
 	if (window.innerHeight > 91) {
 		mode = 0; // we're starting fullscreen, we set mode to homescreen in order to let updateScreen() do all the work for us
 	}
 	else {
 		mode = 1;
 	}
-	console.info("init(): updateScreen()");
+	log("init(): updateScreen()");
 	updateScreen();
 	if (config['useBackgroundImage'].Value)
 		// check for screen rotation every 1 secs
-		window.setInterval('updateScreen()', 1000 * 1);
-	console.info("init(): finished...");
+		screenRotationTimer = window.setInterval('updateScreen()', 1000 * 1);
+	log("init(): finished...");
+}
+
+function setUpdateTimer()
+{
+	updateTimer = window.setInterval('updateTimerCallback()', 1000 * 60 * config['updateDataInterval'].Value);
+}
+
+function clearUpdateTimer() 
+{
+	window.clearInterval(updateTimer);
+}
+
+function updateTimerCallback()
+{
+	log("updateTimerCallback()");
+	updateData();
 }
 
 function createMenu()
@@ -802,15 +917,18 @@ function createMenu()
 	var id = 0;
 	var menuSettings = new MenuItem(getLocalizedText('menu.settings'), id++);
 	var menuCallApp = new MenuItem(getLocalizedText('menu.openCalendarApp'), id++);
+	var menuHelp = new MenuItem(getLocalizedText('menu.help'), id++);
 	var menuUpdate = new MenuItem(getLocalizedText('menu.update'), id++);
 	var menuAbout = new MenuItem(getLocalizedText('menu.about'), id++);
 	menuSettings.onSelect = showSettings;
 	menuAbout.onSelect = showAbout;
 	menuCallApp.onSelect = launchCalendar;
 	menuUpdate.onSelect = showUpdate;
+	menuHelp.onSelect = showHelp;
 	window.menu.clear();
 	window.menu.append(menuCallApp);
 	window.menu.append(menuSettings);
+	window.menu.append(menuHelp);
 	window.menu.append(menuUpdate);
 	window.menu.append(menuAbout);	
 }
@@ -841,6 +959,16 @@ function showSettings()
 				if (config[key].ValidValues.indexOf(config[key].Value) == -1)
 					config[key].Value = config[key].Default;
 			}
+			else if (config[key].Type == 'Array') {
+				if (key == 'excludedCalendars') {
+					config[key].Value = new Array();
+					for(var i=0; i < calendarList.length; i++) {
+						var element = document.forms[0].elements["settings." + key + "." + calendarList[i]];
+						if (element != null && element.checked == false)
+							config[key].Value.push(calendarList[i]);
+					}
+				}
+			}
 		}
 				
 		updateCssClasses();
@@ -876,6 +1004,18 @@ function showSettings()
 				settingsHtml += '<option value="' + config[key].ValidValues[i] + '"' + (config[key].Value == config[key].ValidValues[i] ? ' selected="selected"' : '') + '>' + getLocalizedText('settings.validValues.' + key + '.' + config[key].ValidValues[i]) + '</option>';
 			settingsHtml += '</select></div></td>' + printHintBox(getLocalizedText('settings.info.' + key)) + '<hr />';
 		}
+		else if (config[key].Type == 'Array') {
+			settingsHtml += '<table><tr><td>' + getLocalizedText('settings.name.' + key) + '<br />';
+			if (key == 'excludedCalendars') {
+				for(var i=0; i < calendarList.length; i++) {
+					var checked = 'checked="checked"';
+					if (config[key].Value.indexOf(calendarList[i]) != -1)
+						checked = '';
+					settingsHtml += '<input name="settings.' + key + '.' + calendarList[i] + '" type="checkbox" value="' + calendarList[i] + '" ' + checked + '/> ' + calendarList[i] + '<br />';
+				}
+			}
+			settingsHtml += '</td>' + printHintBox(getLocalizedText('settings.info.' + key)) + '<hr />';
+		}
 	}
 	settingsHtml += '<input name="reset" type="button" value="' + getLocalizedText('settings.restoreDefaults') + '" onclick="javascript:restoreDefaultSettings();showSettings();" />';
 	settingsHtml += '</form>';
@@ -923,7 +1063,7 @@ function getSettingsCalEntryId()
 		var entry = list.getNext();
 		if (entry != undefined) {
 			settingsCalEntryId = entry.LocalId;
-			console.info("settingsCalEntryId=" + settingsCalEntryId);
+			log("settingsCalEntryId=" + settingsCalEntryId);
 		}
 		else { // create settings item
 			var item = new Object();
@@ -970,7 +1110,7 @@ function loadSettings()
 	}
 	var entry = result.ReturnValue.getNext();
 	if (entry != undefined)	{
-		console.info("Loading Settings...");
+		log("Loading Settings...");
 		// only reload settings if they chanced since the last reload
 		if (settingsCache != entry.Summary)
 		{
@@ -981,7 +1121,7 @@ function loadSettings()
 				var pair = stringlist[i].split('=');
 				var key = pair[0];
 				var value = pair[1];
-				console.info('stringlist: ' + key + '=\'' + value + '\'');
+				log('stringlist: ' + key + '=\'' + value + '\'');
 				if (config[key].Type == 'Int')
 					config[key].Value = Number(value);
 				else if (config[key].Type == 'String')
@@ -992,12 +1132,18 @@ function loadSettings()
 					config[key].Value = value;
 				else if (config[key].Type == 'UID')
 					config[key].Value = Number(value);
+				else if (config[key].Type == 'Array') {
+					config[key].Value = value.split("^");
+					if (config[key].Value.length == 1 && config[key].Value[0] == "") {
+						config[key].Value = [];
+					}
+				}
 			}
 			settingsCache = entry.Summary;
 			updateCssClasses();
 		}
 		else {
-			console.info("Settings already cached and did not change");
+			log("Settings already cached and did not change");
 		}
 	}
 	else {
@@ -1025,6 +1171,8 @@ function saveSettings()
 			item.Summary += key + "=" + config[key].Value + "|";
 		else if (config[key].Type == 'UID')
 			item.Summary += key + "=" + config[key].Value.toString() + "|";
+		else if (config[key].Type == 'Array')
+			item.Summary += key + "=" + config[key].Value.join("^") + "|";
 	}
 	settingsCache = item.Summary;
 	
@@ -1032,7 +1180,7 @@ function saveSettings()
 	criteria.Type = "CalendarEntry";
 	criteria.Item = item;
 
-	console.info("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)
@@ -1040,6 +1188,10 @@ function saveSettings()
 	} catch (e) {
 		error("saveSettings: " + e + ', line ' + e.line);
 	}
+	
+	lastReloadTime = null; // force calendar data reload on next update
+	clearUpdateTimer();
+	setUpdateTimer();
 }
 
 function toggleVisibility(elementId)
@@ -1076,23 +1228,30 @@ function showAbout()
 	document.getElementById("name").innerHTML = "Coming Next " + version;
 }
 
+function showHelp() {
+	widget.openURL('http://comingnext.sf.net/help');
+}
+
 function updateFullscreen()
 {
 }
 
 function showFullscreen()
 {
-	console.info("showFullscreen()");
+	log("showFullscreen()");
 	hideViews();
 	document.getElementById("fullscreenView").style.display = "block";
 	document.getElementById('body').className = "backgroundFullscreen";
-	document.onclick = launchCalendar;
+	if (!errorOccured)
+		document.onclick = launchCalendar;
 	createMenu();
 	updateData();
 }
 
 function getBackgroundImage()
 {
+	if (errorOccured)
+		return '';
 	var bgImage;
 	if (config['backgroundImageLocation'].Value == config['backgroundImageLocation'].ValidValues[0]) // internal
 		bgImage = 'background_' + orientation + '.png';
@@ -1127,7 +1286,7 @@ function updateHomescreen()
 
 function showHomescreen()
 {
-	console.info("showHomescreen()");
+	log("showHomescreen()");
 	hideViews();
 	document.getElementById("homescreenView").style.display = "block";
 	document.getElementById('body').className = "background";
@@ -1229,7 +1388,7 @@ function listCalendars()
 		while (( item = calendarListIterator.getNext()) != undefined ) {
 			calendars[count++] = item;
 		}
-		console.info("Available Calendars: " + calendars.join(", "));
+		log("Available Calendars: " + calendars.join(", "));
 		return calendars;
 	} catch(e) {
 		error('listing calendars:' + e + ', line ' + e.line);
@@ -1238,7 +1397,8 @@ function listCalendars()
 }
 
 // Copies all objects and their properties to an array. Data is copied so nothing gets lost when the reference is removed
-function listToArray(list)
+// Note: this will also set the "CalendarName" property of every entry to the name specified by the calendarName parameter if it has not been defined already
+function listToArray(list, calendarName)
 {
 	var array = new Array();
 	var item;
@@ -1248,17 +1408,21 @@ function listToArray(list)
 		for(var i=0; i < entryFields.length; i++) {
 			itemCopy[entryFields[i]] = item[entryFields[i]];
 		}
+		// for some reason, the CalendarName property is never correctly queried, so we assign it manually here
+		if (!itemCopy['CalendarName']) {
+			itemCopy['CalendarName'] = calendarName;
+		}
 		array.push(itemCopy);
 		txt += array[array.length - 1].Summary + ", ";
 	}
-	console.info("listToArray(): " + txt);
+	log("listToArray(): " + txt);
 	return array;
 }
 
 function sortCalendarEntries(a, b)
 {
 	var atime, btime;
-	console.info("sortCalendarEntries(" + a.Summary + "," + b.Summary + ")");
+	log("sortCalendarEntries(" + a.Summary + "," + b.Summary + ")");
 	
 	if (a.InstanceStartTime != null) {
 		atime = a.InstanceStartTime;
@@ -1317,13 +1481,59 @@ function sortCalendarEntries(a, b)
 			}
 		}
 	}
+	// NOTE: events my have no date information at all. In that case, we list events without date first
+	else if (atime && !btime) {
+		return 1;
+	}
+	else if (!atime && btime) {
+		return -1;
+	}
+	else if (!atime && !btime) {
+		// sort by type
+		if (a.Type != b.Type) {
+			if (a.Type < b.Type) {
+				return -1;
+			}
+			else if (a.Type > b.Type) {
+				return 1;
+			}
+		}
+		// sort by description
+		else if (a.Summary && b.Summary && a.Summary != b.Summary) {
+			if (a.Summary < b.Summary) {
+				return -1;
+			}
+			else if (a.Summary > b.Summary) {
+				return 1;
+			}
+		}
+	}
 
 	return 0;
 }
 
+function updateCalendarColors()
+{
+	var maxColors = 6;
+	calendarColors = [];
+	if (calendarList.length > maxColors) {
+		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);
+	}
+}
+
 </script>
 
 <style type="text/css">
+a { color:#aaccff }
 table { margin:0px; padding:0px; border-spacing:0px; }
 td { padding:0px 5px 0px 0px; white-space:nowrap; overflow:hidden; }
 hr { color:#ffffff; background-color:#ffffff; height:1px; text-align:left; border-style:none; }
@@ -1332,7 +1542,7 @@ hr { color:#ffffff; background-color:#ffffff; height:1px; text-align:left; borde
 .textInput { width:90%; }
 .credits { margin-left:40px; text-indent: -20px; margin-bottom:0px; }
 #homescreenView { width: 315px; height:91px; overflow:hidden; }
-#calendarList { position:absolute; left:10px; top:4px; width:295px; height:75px; overflow:hidden; }
+#calendarList { position:absolute; left:5px; top:4px; width:295px; height:75px; overflow:hidden; }
 #name { text-align:center; }
 #appicon { display: block; margin-left: auto; margin-right: auto; margin-top: 10px; }
 #smallappicon { width:22px; height:22px; margin-right:10px; float:left; }
@@ -1367,8 +1577,10 @@ hr { color:#ffffff; background-color:#ffffff; height:1px; text-align:left; borde
 		<p class="credits">Christophe Milsent (translation support & french translation)</p>
 		<p class="credits">Flavio Nathan (portuguese-brazilian translation)</p>
 		<p class="credits">Tokeda (russian translation)</p>
+		<p class="credits">Marcella Ferrari (italian translation)</p>
+		<p class="credits">Venos (italian translation)</p>
 	<p>This software is open source and licensed under the GPLv3.</p>
-	<p>Visit sourceforge.net/projects/comingnext for free updates.</p>
+	<p>Visit <a onclick="widget.openURL('http://comingnext.sf.net/'); return false;" href="http://comingnext.sf.net/">comingnext.sf.net</a> for free updates.</p>
 	<hr />
 </div>
 <div id="updateView" style="display:none">