/// <summary>
/// Initializes the object based on the current expressions using the given object as
/// context.
/// </summary>
/// <param name="context">The context for the expressions.</param>
/// <returns>false if the initialization is unsuccessfull; otherwise false.</returns>
private bool InitializeObject(Project context)
{
try
{
startDate = GetDate(context as Project, StartDateExpression.Expr.GetValue(0, 0).ToString()).Date;
}
catch (Exception ex)
{
context.AddError("Start date is not valid. Details: " + ex.Message);
return(true);
}
try
{
endDate = GetDate(context as Project, EndDateExpression.Expr.GetValue(0, 0).ToString()).Date;
}
catch (Exception ex)
{
context.AddError("End date is not valid. Details: " + ex.Message);
return(true);
}
try
{
frequency = GetDateFrequency((Project)context, FrequencyExpression);
}
catch (Exception ex)
{
context.AddError("Frequency is not valid. Details: " + ex.Message);
return(true);
}
try
{
skipPeriodsParsed = (int)SkipPeriods.V();
}
catch (Exception ex)
{
context.AddError("The number of periods to skip is not valid. Details: " + ex.Message);
return(true);
}
try
{
double v = SkipPeriodsArray?.V() ?? 0.0f;
skipPeriodsArrayParsed = (int)v;
}
catch (Exception ex)
{
context.AddError("The number of periods to skip is not valid. Details: " + ex.Message);
return(true);
}
return(false);
}
/// <summary>
/// Parses the object.
/// </summary>
/// <param name="p_Context">The project in which to parse the object.</param>
/// <returns>true if an error occurred during the parsing, false otherwise.</returns>
public override bool Parse(IProject p_Context)
{
if (StartDateExpression.Parse(p_Context))
{
return(true);
}
if (EndDateExpression.Parse(p_Context))
{
return(true);
}
if (SkipPeriods.Parse(p_Context))
{
return(true);
}
if (InitializeObject(p_Context as Project))
{
return(true);
}
if (Validation(p_Context))
{
if (ValidVectorRef())
{
if (SkipPeriodsArray.Parse(p_Context))
{
return(true);
}
var arrayReference = GetVectorRef();
this.Values = new List <RightValue>();
this.Values.AddRange(arrayReference.Values.Skip(skipPeriodsArrayParsed));
return(false);
}
else
{
List <RightValue> dates;
if (GenerateSequenceFromStartDate)
{
dates = GenerateForward();
}
else
{
dates = GenerateBackward();
}
if (dates.Count == 0)
{
return(true);
}
// Set the model parameter array values
this.Values = dates;
return(base.Parse(p_Context));
}
}
return(true);
}
