/// <summary>
/// Initialise the column instance.
/// </summary>
/// <param name="aggFunction">The aggregation function.</param>
/// <param name="varName">The name of the variable to get from APSIM.</param>
/// <param name="on">The collection event.</param>
/// <param name="alias">The alias.</param>
/// <param name="from">The from variable.</param>
/// <param name="to">The to variable.</param>
private void Initialise(string aggFunction, string varName, string on, string alias,
string from, string to)
{
aggregationFunction = aggFunction;
variableName = varName;
fromString = from;
toString = to;
Name = alias;
// specify a column heading if alias was not specified.
if (string.IsNullOrEmpty(Name))
{
// Look for an array specification. The aim is to encode the starting
// index of the array into the column name. e.g.
// for a variableName of [2:4], columnName = [2]
// for a variableName of [3:], columnName = [3]
// for a variableName of [:5], columnNamne = [0]
Regex regex = new Regex("\\[([0-9]+):*[0-9]*\\]");
Name = regex.Replace(variableName.Replace("[:", "[1:"), "($1)");
// strip off square brackets.
Name = Name.Replace("[", string.Empty).Replace("]", string.Empty);
}
// Try and get units.
try
{
IVariable var = locator.GetObjectProperties(variableName);
if (var != null)
{
Units = var.UnitsLabel;
if (Units != null && Units.StartsWith("(") && Units.EndsWith(")"))
{
Units = Units.Substring(1, Units.Length - 2);
}
}
}
catch (Exception)
{
}
if (string.IsNullOrEmpty(fromString))
{
inCaptureWindow = true;
}
else
{
// temporarly aggregated variable
// subscribe to the capture event
collectionEventName = "[Clock].DoReportCalculations";
if (!string.IsNullOrEmpty(on))
{
collectionEventName = on;
}
events.Subscribe(collectionEventName, OnDoReportCalculations);
// subscribe to the start of day event so that we can determine if we're in the capture window.
events.Subscribe("[Clock].DoDailyInitialisation", OnStartOfDay);
events.Subscribe("[Clock].EndOfSimulation", OnEndOfSimulation);
fromVariable = (clock as IModel).FindByPath(fromString);
toVariable = (clock as IModel).FindByPath(toString);
if (fromVariable != null)
{
// A from variable name was specified.
}
else if (DateTime.TryParseExact(fromString, "d-MMM", CultureInfo.InvariantCulture, DateTimeStyles.None, out DateTime date) ||
DateTime.TryParse(fromString, out date))
{
// The from date is a static, hardcoded date string. ie 1-Jan, 1/1/2012, etc.
fromVariable = new VariableObject(date);
// If the date string does not contain a year (ie 1-Jan), we ignore year and
fromHasNoYear = !fromString.Contains(date.Year.ToString());
}
else
{
// Assume the string is an event name.
events.Subscribe(fromString, OnFromEvent);
inCaptureWindow = true;
}
if (toVariable != null)
{
// A to variable name was specified.
}
else if (DateTime.TryParseExact(toString, "d-MMM", CultureInfo.InvariantCulture, DateTimeStyles.None, out DateTime date) ||
DateTime.TryParse(toString, out date))
{
// The from date is a static, hardcoded date string. ie 1-Jan, 1/1/2012, etc.
toVariable = new VariableObject(date);
// If the date string does not contain a year (ie 1-Jan), we ignore year and
toHasNoYear = !toString.Contains(date.Year.ToString());
}
else
{
// Assume the string is an event name.
events.Subscribe(toString, OnToEvent);
}
}
}