internal void TagActivity(string tag, SensorEventViewModel sensorEvent)
{
sensorEvent.Activity = GetActivityByName(tag);
int stringIndex = _dictDateEvents[CurrentDate].Offset + _allEventsInView.IndexOf(sensorEvent);
_eventStringList[stringIndex] = sensorEvent.ToString();
}
internal void UntagAllActivities()
{
for (int idEvent = 0; idEvent < _eventStringList.Count; idEvent++)
{
string strCurrentEvent = _eventStringList[idEvent];
SensorEventViewModel sensorEvent = ParseSensorEventFromString(strCurrentEvent);
sensorEvent.Activity = ActivityViewModel.NullActivity;
_eventStringList[idEvent] = sensorEvent.ToString();
}
IsEventsModified = true;
}
internal void TagAllResidents(string tag)
{
for (int idEvent = 0; idEvent < _eventStringList.Count; idEvent++)
{
string strCurrentEvent = _eventStringList[idEvent];
SensorEventViewModel sensorEvent = ParseSensorEventFromString(strCurrentEvent);
sensorEvent.Resident = GetResidentByName(tag);
_eventStringList[idEvent] = sensorEvent.ToString();
}
IsEventsModified = true;
}
internal void FillNullActivity()
{
for (int idEvent = 0; idEvent < _eventStringList.Count; idEvent++)
{
string strCurrentEvent = _eventStringList[idEvent];
SensorEventViewModel sensorEvent = ParseSensorEventFromString(strCurrentEvent);
if (sensorEvent.Activity == ActivityViewModel.NullActivity)
{
sensorEvent.Activity = GetActivityByName("Other_Activity", true, true);
IsEventsModified = true;
}
_eventStringList[idEvent] = sensorEvent.ToString();
}
}
public async Task ImportAnnotationAsync(StorageFile annotationFile)
{
using (var inputStream = await annotationFile.OpenReadAsync())
using (var classicStream = inputStream.AsStreamForRead())
using (var streamReader = new StreamReader(classicStream))
{
int lineNo = 0;
int idEvent = 0;
string[] tokenList;
// Make sure Other_Activity exists in dataset metadata.
ActivityViewModel curActivity = GetActivityByName("Other_Activity", true, true);
string curAnnotationTag = "";
// Add Other Activity to activity list
while (streamReader.Peek() >= 0)
{
string curEventString = streamReader.ReadLine();
if (string.IsNullOrWhiteSpace(curEventString))
{
continue;
}
tokenList = curEventString.Split(new char[] { ' ', '\t', ',' });
// Get the Date of the String and add to dictionary
DateTime curEventTimeTag = DateTime.Parse(tokenList[0] + ' ' + tokenList[1]);
// Check the activity label of current event
if (tokenList.Length > 4 && !string.IsNullOrWhiteSpace(tokenList[4]))
{
// Process annotation tag
string[] subTokenList = tokenList[4].Split(new char[] { '=' });
curActivity = GetActivityByName(subTokenList[0], true, true);
// In case the ="begin" part is missing in the annotation
if (subTokenList.Length < 2)
{
if (curAnnotationTag == "\"begin\"")
{
curAnnotationTag = "\"end\"";
}
else
{
curAnnotationTag = "\"begin\"";
}
}
else
{
curAnnotationTag = subTokenList[1];
}
}
// Append Activity
while (idEvent < _eventStringList.Count)
{
// Check datetime of current event
SensorEventViewModel sensorEvent = ParseSensorEventFromString(_eventStringList[idEvent]);
if (sensorEvent.TimeTag.DateTime <= curEventTimeTag)
{
sensorEvent.Activity = curActivity;
_eventStringList[idEvent] = sensorEvent.ToString();
idEvent++;
}
else
{
break;
}
}
// If activity end, update annotation token to OtherActivity
if (curAnnotationTag == "\"end\"")
{
curActivity = GetActivityByName("Other_Activity");;
curAnnotationTag = "";
}
// Log Token
lineNo++;
}
}
this.IsDatasetModified = true;
this.IsEventsModified = true;
}
