/// <summary>
/// Workaround for an issue in the WPF toolkit where datapoint columns would be rendered too wide if only
/// a few were present in the chart.
/// </summary>
/// <param name="graphDataCollection"></param>
/// <returns></returns>
private static ITextGraphDataCollection AddMonthlyZeroesWorkaround(ITextGraphDataCollection graphDataCollection)
{
List<ITextGraphData> sortedGraphDataCollection = new List<ITextGraphData>(graphDataCollection);
sortedGraphDataCollection.Sort(delegate(ITextGraphData tgd1, ITextGraphData tgd2) { return tgd1.Date.CompareTo(tgd2.Date); });
TextGraphDataCollection zeroAddedCollection = new TextGraphDataCollection();
DateTime lastDate = DateTime.MinValue;
foreach (ITextGraphData currentTextData in sortedGraphDataCollection)
{
if (lastDate != DateTime.MinValue)
{
DateTime iteratorDate = lastDate.AddMonths(1);
while (iteratorDate < currentTextData.Date)
{
zeroAddedCollection.Add(new TextGraphData(iteratorDate));
iteratorDate = iteratorDate.AddMonths(1);
}
}
zeroAddedCollection.Add(currentTextData);
lastDate = currentTextData.Date;
}
return zeroAddedCollection;
}
/// <summary>
/// Workaround for known issue with WPF Toolkit DateTimeAxis. If only one datapoint appears on a datetime, the
/// graph renders no datapoints.
/// http://wpf.codeplex.com/workitem/15276
///
/// Workaround: Add a datapoint immediately before and after the single datapoint.
/// </summary>
/// <param name="originalCollection"></param>
/// <returns></returns>
private static ITextGraphDataCollection AdjustGraphDataCollectionForWorkaround(TextGraphDataCollection originalCollection)
{
if (originalCollection.Count != 1)
{
return AddMonthlyZeroesWorkaround(originalCollection);
}
TextGraphData graphData = null;
foreach (TextGraphData tgd in originalCollection)
{
graphData = tgd;
}
int month = graphData.Date.Month;
DateTime prevDate;
DateTime nextDate;
if (month == 1)
{
prevDate = new DateTime(graphData.Date.Year - 1, 12, 1);
nextDate = new DateTime(graphData.Date.Year, 2, 1);
}
else if (month == 12)
{
prevDate = new DateTime(graphData.Date.Year, 11, 1);
nextDate = new DateTime(graphData.Date.Year + 1, 1, 1);
}
else
{
prevDate = new DateTime(graphData.Date.Year, month - 1, 1);
nextDate = new DateTime(graphData.Date.Year, month + 1, 1);
}
TextGraphDataCollection adjustedCollection = new TextGraphDataCollection();
adjustedCollection.Add(new TextGraphData(prevDate, 0));
adjustedCollection.Add(graphData);
adjustedCollection.Add(new TextGraphData(nextDate, 0));
return adjustedCollection;
}
private static ITextGraphDataCollection GetAggregateHourOfDayDataCollection(IConversation conversation)
{
const int hoursPerDay = 24;
int[] messagesExchangedPerHour = new int[hoursPerDay];
for (int i = 0; i < hoursPerDay; i++)
{
messagesExchangedPerHour[i] = 0;
}
foreach (IConversationMessage message in conversation)
{
messagesExchangedPerHour[message.Timestamp.Hour]++;
}
TextGraphDataCollection dataCollection = new TextGraphDataCollection();
for (int i = 0; i < hoursPerDay; i++)
{
TextGraphData graphData = new TextGraphData(NormalizedSunday.AddHours(i));
graphData.MessagesTotal = messagesExchangedPerHour[i];
dataCollection.Add(graphData);
}
return dataCollection;
}
private static ITextGraphDataCollection GetPerMonthDataCollection(IConversation conversation)
{
TextGraphDataCollection dataCollection = new TextGraphDataCollection();
if (conversation.MessageCount == 0)
{
return dataCollection;
}
Dictionary<DateTime, int> monthCounts = new Dictionary<DateTime, int>();
foreach (IConversationMessage message in conversation)
{
DateTime messageTimestamp = message.Timestamp;
DateTime firstDayOfMonth = new DateTime(messageTimestamp.Year, messageTimestamp.Month, 1);
if (monthCounts.ContainsKey(firstDayOfMonth))
{
monthCounts[firstDayOfMonth]++;
}
else
{
monthCounts[firstDayOfMonth] = 1;
}
}
foreach (DateTime date in monthCounts.Keys)
{
dataCollection.Add(new TextGraphData(date, monthCounts[date]));
}
return AdjustGraphDataCollectionForWorkaround(dataCollection);
}
private static ITextGraphDataCollection GetAggregateDayOfWeekDataCollection(IConversation conversation)
{
const int daysPerWeek = 7;
int[] messagesExchangedPerDayOfWeek = new int[daysPerWeek];
for (int i = 0; i < daysPerWeek; i++)
{
messagesExchangedPerDayOfWeek[i] = 0;
}
foreach (IConversationMessage message in conversation)
{
messagesExchangedPerDayOfWeek[(int)message.Timestamp.DayOfWeek]++;
}
TextGraphDataCollection dataCollection = new TextGraphDataCollection();
for (int i = 0; i < daysPerWeek; i++)
{
TextGraphData graphData = new TextGraphData(NormalizedSunday.AddDays(i));
graphData.MessagesTotal = messagesExchangedPerDayOfWeek[i];
dataCollection.Add(graphData);
}
return dataCollection;
}
