protected Event(EventDictionaryEntry entry)
{
ede = entry;
m_name = entry.Name;
//Lookup and allocate space for ancillary data, if needed
if (entry.ancillarySize > 0) ancillary = new byte[entry.ancillarySize];
else ancillary = null;
}
public CreateEventWindow(EventDictionaryEntry ede)
{
InitializeComponent();
Title = "Create " + ede.Name + " Event";
Time.Tag = true;
if (ede.GroupVars != null)
foreach (GroupVarDictionary.GVEntry gve in ede.GroupVars)
{
StackPanel sp = new StackPanel();
sp.Orientation = Orientation.Horizontal;
Label l = new Label();
l.Content = gve.Name;
l.Width = 120D;
sp.Children.Add(l);
if (gve.GVValueDictionary == null)
{
TextBox tb = new TextBox();
tb.Text = "0";
tb.Tag = true;
tb.Width = 120D;
sp.Children.Add(tb);
}
else
{
ComboBox cb = new ComboBox();
cb.Width = 120D;
foreach (string s in gve.GVValueDictionary.Keys)
cb.Items.Add(s);
cb.SelectedIndex = 0;
sp.Children.Add(cb);
}
GVEntries.Children.Add(sp);
}
else
{
GVBox.Visibility = Visibility.Collapsed;
}
}
internal OutputEvent(EventDictionaryEntry entry)
: base(entry)
{
m_time = (double)(DateTime.Now.Ticks) / 1E7; // Get time immediately
if (entry.GroupVars != null && entry.GroupVars.Count > 0)
GVValue = new string[entry.GroupVars.Count]; //allocate correct number of group variable value entries
else GVValue = null;
}
/// <summary>
/// Stand-alone constructor for use creating naked events based on BDF
/// </summary>
/// <param name="entry">EventDictionaryEntry describing the Event</param>
/// <param name="time">time of Event, seconds since start of BDF file</param>
public OutputEvent(EventDictionaryEntry entry, double time)
: base(entry)
{
if (!entry.BDFBased) throw new Exception("OutputEvent constructor(EDE, double) only for BDF-based Events");
ede = entry;
m_time = time;
GVValue = null;
}
/// <summary>
/// Stand-alone constructor for use creating simulated events (not real-time); no checking is performed
/// </summary>
/// <param name="entry">EventDictionaryEntry describing the Event</param>
/// <param name="time">time of Event, ticks since 0CE</param>
/// <param name="index">assigned index of Event</param>
public OutputEvent(EventDictionaryEntry entry, long time, int index)
: base(entry)
{
ede = entry;
m_time = (double)(time) / 1E7;
if (entry.IsCovered)
{
m_index = (uint)index;
m_gc = EventFactory.grayCode(m_index);
}
GVValue = null;
}
public string[] GVValue; //stored as strings
#endregion Fields
#region Constructors
/// <summary>
/// Stand-alone constructor for use creating simulated events (not real-time); no checking is performed
/// </summary>
/// <param name="entry">EventDictionaryEntry describing the Event</param>
/// <param name="time">DateTime of Event</param>
/// <param name="index">assigned index of Event: cannot = 0 unless Event is naked</param>
public OutputEvent(EventDictionaryEntry entry, DateTime time, int index = 0)
: base(entry)
{
ede = entry;
m_time = (double)(time.Ticks) / 1E7;
if (entry.IsCovered)
{
if (index == 0) throw new Exception("Event.OutputEvent: attempt to create a covered OutputEvent with GC = 0");
m_index = (uint)index;
m_gc = EventFactory.grayCode(m_index);
}
GVValue = null;
}
public InputEvent(EventDictionaryEntry entry)
: base(entry)
{
if (ede.GroupVars != null && ede.GroupVars.Count > 0) GVValue = new string[ede.GroupVars.Count];
}
private void Finish_Click(object sender, RoutedEventArgs e)
{
if (MarkerCanvas.markedRegions.Count != 0)
{
EventDictionaryEntry ede1;
EventDictionaryEntry ede2;
//Determine how many artifact files in existence to create unique name
string[] files = Directory.GetFiles(directory, "*_artifact*.hdr", SearchOption.TopDirectoryOnly);
int maxFileIndex = -1;
for (int i = 0; i < files.Length; i++)
{
Match m = Regex.Match(files[i], @"^.+_artifact(-\d+)*-(?<number>\d+)\.[hH][dD][rR]$");
if(m.Success) //has to match naming convention
maxFileIndex = Math.Max(maxFileIndex, Convert.ToInt32(m.Groups["number"].Value));
}
string newFileName;
StringBuilder sb = new StringBuilder(header.Comment); //Add comment to HDR file documenting artifact marking
if (sb.Length > 0) sb.Append(Environment.NewLine);
sb.Append("Artifacts marked on " + DateTime.Today.ToShortDateString() + " by " + Environment.UserName);
header.Comment = sb.ToString();
if (updateFlag) //then, this dataset is based on another one; need to find out if this is an update of current dataset only, or if a new file is to be created
{
if (!header.Events.TryGetValue("**ArtifactBegin", out ede1) || !header.Events.TryGetValue("**ArtifactEnd", out ede2) || !ede1.BDFBased || !ede2.BDFBased)
throw new Exception("Error in attempted update of previously marked dataset; may be update of old-form dataset");
Window3 w = new Window3();
w.Owner = this;
w.ShowDialog();
if (dialogReturn == 1) return;
if (dialogReturn == 2) //replace current files only
newFileName = System.IO.Path.GetFileNameWithoutExtension(header.EventFile); //Use old name; only update Comment
else //create new file set from old
{
newFileName = System.IO.Path.GetFileNameWithoutExtension(header.EventFile) + "-" + (maxFileIndex + 1).ToString("0");
header.EventFile = newFileName + ".evt";
}
}
else //this is based on a previously unmarked dataset; add new Event types to HDR
{
//Modify header with new "naked" Events and file names
ede1 = new EventDictionaryEntry();
ede1.intrinsic = null;
ede1.BDFBased = true; //Use BDF-based clocking
ede1.Description = "Beginning of artifact region";
ede2 = new EventDictionaryEntry();
ede2.intrinsic = null;
ede2.BDFBased = true; //Use BDF-based clocking
ede2.Description = "End of artifact region";
header.Events.Add("**ArtifactBegin", ede1);
header.Events.Add("**ArtifactEnd", ede2);
newFileName = System.IO.Path.GetFileNameWithoutExtension(header.BDFFile) + @"_artifact-" +
(maxFileIndex + 1).ToString("0"); ; //create new filename
header.EventFile = newFileName + ".evt";
//and write new header out
}
header.Comment += (header.Comment == "" ? "" : Environment.NewLine) +
"Artefact Events marked on " + DateTime.Now.ToString("dd MMM yyyy HH:mm:ss") +
" by " + Environment.UserName;
FileStream fs = new FileStream(System.IO.Path.Combine(directory, newFileName + ".hdr"), FileMode.OpenOrCreate, FileAccess.Write);
new HeaderFileWriter(fs, header); //write out new header
foreach (MarkerRectangle mr in MarkerCanvas.markedRegions) //update Event file to include new artifact marks
{
double eventTime = mr.leftEdge;
OutputEvent newOE = new OutputEvent(ede1, eventTime);
int index = events.FindIndex(ev => bdf.timeFromBeginningOfFileTo(ev) >= eventTime);
if (index < 0) //must be after last Event or no Events
events.Add(newOE);
else
events.Insert(index, newOE);
eventTime = mr.rightEdge;
newOE = new OutputEvent(ede2, eventTime);
index = events.FindIndex(ev => bdf.timeFromBeginningOfFileTo(ev) > eventTime);
if (index < 0)
events.Add(newOE);
else
events.Insert(index, newOE);
}
EventFileWriter efw = new EventFileWriter(
new FileStream(System.IO.Path.Combine(directory, header.EventFile), FileMode.OpenOrCreate, FileAccess.Write));
foreach (OutputEvent ev in events)
efw.writeRecord(ev);
efw.Close();
Log.writeToLog(" Created/updated to dataset " + newFileName);
}
this.Close();
}
/// <summary>
/// Adds new Event to EventDictionary
/// </summary>
/// <param name="name">Event Name</param>
/// <param name="description">Event Description</param>
/// <param name="GVList">List or array of GV entries</param>
/// <returns>New EventDictionaryEntry</returns>
/// <remarks>EDE returned has default assumptions: intrinsic Event with Absolute clock time</remarks>
public EventDictionaryEntry AddNewEvent(string name, string description, IEnumerable<GVEntry> GVList)
{
EventDictionaryEntry ede = new EventDictionaryEntry();
ede.Description = description;
if (GVList != null)
{
ede.GroupVars = new List<GVEntry>();
foreach (GVEntry gve in GVList)
{
if (!this.GroupVars.ContainsKey(gve.Name))
throw new Exception("Attempt to create Event entry \"" + name +
"\"with GV \"" + gve.Name + "\" not in GV dictionary");
ede.GroupVars.Add(gve);
}
}
Events.Add(name, ede); //will throw exception if duplicate
return ede;
}
public Header.Header read()
{
Header.Header header = new Header.Header();
try
{
xr.ReadStartElement("ExperimentDescription", nameSpace);
xr.ReadStartElement("SoftwareVersion", nameSpace);
header.SoftwareVersion = xr.ReadContentAsString();
xr.ReadEndElement(/* SoftwareVersion */);
xr.ReadStartElement("Title", nameSpace);
header.Title = xr.ReadContentAsString();
xr.ReadEndElement(/* Title */);
xr.ReadStartElement("LongDescription", nameSpace);
header.LongDescription = xr.ReadContentAsString();
xr.ReadEndElement(/* LongDescription */);
header.Experimenter = new List<string>();
while (xr.Name == "Experimenter")
{
xr.ReadStartElement(/* Experimenter */);
header.Experimenter.Add(xr.ReadContentAsString());
xr.ReadEndElement(/* Experimenter */);
}
xr.ReadStartElement("Status", nameSpace);
header.Status = xr.ReadContentAsInt();
xr.ReadEndElement(/* Status */);
if (xr.Name == "Other")
{
header.OtherExperimentInfo = new Dictionary<string, string>();
do
{
string name = xr["Name"];
xr.ReadStartElement(/* Other */);
string value = xr.ReadContentAsString();
header.OtherExperimentInfo.Add(name, value);
xr.ReadEndElement(/* Other */);
} while (xr.Name == "Other");
}
if (xr.Name == "GroupVar")
{
header.GroupVars = new GroupVarDictionary.GroupVarDictionary();
do {
xr.ReadStartElement(/* GroupVar */);
GroupVarDictionary.GVEntry gve = new GVEntry();
xr.ReadStartElement("Name", nameSpace);
string name = xr.ReadContentAsString();
if (name.Length > 24)
throw new Exception("name too long for GV " + name);
xr.ReadEndElement(/* Name */);
xr.ReadStartElement("Description", nameSpace);
gve.Description = xr.ReadContentAsString();
xr.ReadEndElement(/* Description */);
if (xr.Name == "GV")
{
gve.GVValueDictionary = new Dictionary<string, int>();
do
{
string key = xr["Desc", nameSpace];
xr.ReadStartElement(/* GV */);
int val = xr.ReadContentAsInt();
if (val > 0)
gve.GVValueDictionary.Add(key, val);
else
throw new Exception("invalid value for GV "+ name);
xr.ReadEndElement(/* GV */);
}
while (xr.Name == "GV");
}
header.GroupVars.Add(name, gve);
xr.ReadEndElement(/* GroupVar */);
} while (xr.Name == "GroupVar");
}
if (xr.Name == "Event")
{
header.Events = new EventDictionary.EventDictionary(header.Status);
do {
EventDictionaryEntry ede = new EventDictionaryEntry();
if (xr.MoveToAttribute("Type"))
{
string s = xr.ReadContentAsString();
if (s == "*")
ede.intrinsic = null;
else
ede.intrinsic = s != "extrinsic";
} //else Type is intrinsic by default
if (xr.MoveToAttribute("Clock")) //is there a Clock attribute?
{
string s = xr.ReadContentAsString();
if (s == "Absolute")
ede.BDFBased = false;
else if (s == "BDF-based")
{
if (ede.IsCovered) throw new Exception("Incompatible Type and Clock attributes in Event");
ede.BDFBased = true;
}
else throw new Exception("Invalid Clock attribute in Event");
} //else clock is Absolute by default
xr.ReadStartElement(/* Event */);
xr.ReadStartElement("Name", nameSpace);
string name = xr.ReadContentAsString();
xr.ReadEndElement(/* Event */);
xr.ReadStartElement("Description", nameSpace);
ede.Description = xr.ReadContentAsString();
xr.ReadEndElement(/* Description */);
if (ede.IsCovered && !(bool)ede.intrinsic)
{
xr.ReadStartElement("Channel", nameSpace);
ede.channelName = xr.ReadContentAsString();
xr.ReadEndElement(/* Channel */);
xr.ReadStartElement("Edge", nameSpace);
ede.rise = xr.ReadContentAsString() == "rising";
xr.ReadEndElement(/* Edge */);
ede.location = (xr.Name == "Location" ? (xr.ReadElementContentAsString() == "after") : false); //leads by default
ede.channelMax = xr.Name == "Max" ? xr.ReadElementContentAsDouble() : 0D; //zero by default
ede.channelMin = xr.Name == "Min" ? xr.ReadElementContentAsDouble() : 0D; //zero by default
if (ede.channelMax < ede.channelMin)
throw new Exception("invalid max/min signal values in extrinsic Event " + name);
//Note: Max and Min are optional; if neither is specified, 0.0 will always be used as threshold
}
if (xr.Name == "Ancillary")
{
xr.ReadStartElement(/* Ancillary */);
ede.ancillarySize = xr.ReadContentAsInt();
xr.ReadEndElement(/* Ancillary */);
}
if (xr.Name == "GroupVar")
{
ede.GroupVars = new List<GVEntry>();
do {
string gvName = xr["Name", nameSpace];
bool isEmpty = xr.IsEmptyElement;
xr.ReadStartElement(/* GroupVar */);
GVEntry gve;
if (header.GroupVars.TryGetValue(gvName, out gve))
ede.GroupVars.Add(gve);
else throw new Exception("invalid GroupVar " + gvName + " in Event " + name);
if(!isEmpty) xr.ReadEndElement(/* GroupVar */);
} while (xr.Name == "GroupVar");
}
header.Events.Add(name, ede);
xr.ReadEndElement(/* Event */);
} while (xr.Name == "Event");
}
xr.ReadEndElement(/* ExperimentDescription */);
xr.ReadStartElement("SessionDescription", nameSpace);
xr.ReadStartElement("Date", nameSpace);
header.Date = xr.ReadContentAsString();
xr.ReadEndElement(/* Date */);
xr.ReadStartElement("Time", nameSpace);
header.Time = xr.ReadContentAsString();
xr.ReadEndElement(/* Time */);
xr.ReadStartElement("Subject", nameSpace);
header.Subject = xr.ReadContentAsInt();
xr.ReadEndElement(/* Subject */);
if (xr.Name == "Agent")
{
xr.ReadStartElement(/* Agent */);
header.Agent = xr.ReadContentAsInt();
xr.ReadEndElement(/* Agent */);
}
header.Technician = new List<string>();
while (xr.Name == "Technician")
{
xr.ReadStartElement(/* Technician */);
header.Technician.Add(xr.ReadContentAsString());
xr.ReadEndElement(/* Technician */);
}
if (xr.Name == "Other") {
header.OtherSessionInfo = new Dictionary<string, string>();
do
{
string name = xr["Name"];
xr.ReadStartElement(/* Other */);
string value = xr.ReadContentAsString();
xr.ReadEndElement(/* Other */);
header.OtherSessionInfo.Add(name, value);
} while (xr.Name == "Other");
}
xr.ReadStartElement("BDFFile", nameSpace);
header.BDFFile = xr.ReadContentAsString();
xr.ReadEndElement(/* BDFFile */);
xr.ReadStartElement("EventFile", nameSpace);
header.EventFile = xr.ReadContentAsString();
xr.ReadEndElement(/* EventFile */);
xr.ReadStartElement("ElectrodeFile", nameSpace);
header.ElectrodeFile = xr.ReadContentAsString();
xr.ReadEndElement(/* ElectrodeFile */);
if (xr.Name == "Comment")
{
xr.ReadStartElement(/* Comment */);
header.Comment = xr.ReadContentAsString(); //Optional comment
xr.ReadEndElement(/* Comment */);
}
xr.ReadEndElement(/* SessionDescription */);
return header;
}
catch (Exception e)
{
XmlNodeType nodeType = xr.NodeType;
string name = xr.Name;
throw new Exception("HeaderFileReader.read: Error processing " + nodeType.ToString() +
" named " + name + ": " + e.Message);
}
}
