public void FieldVerifying(PX.Data.PXCache sender, PX.Data.PXFieldVerifyingEventArgs e)
{
if (e.NewValue == null || !((string)e.NewValue).StartsWith("BOB-"))
{
throw new PXSetPropertyException("Serial Number must start with BOB-");
}
}
/// <summary>
/// Return one row which contains sum for all decimal fields and identical value if all rows contains that value otherwise is null.
/// </summary>
public static RecordType CalculateSumTotal <RecordType>(this IEnumerable <RecordType> rows, PX.Data.PXCache cache)
where RecordType : PX.Data.IBqlTable, new()
{
var total = new RecordType();
var properties = cache.GetAttributesOfType <PX.Data.PXUIFieldAttribute>(null, null)
.Select(p => new
{
uiAttribute = p,
sumGroupOperation = cache.GetAttributesOfType <PX.Data.PXDecimalAttribute>(null, p.FieldName).Any() ||
cache.GetAttributesOfType <PX.Data.PXDBDecimalAttribute>(null, p.FieldName).Any()
}).ToList();
var propertiesWithSum = properties.Where(p => p.sumGroupOperation).ToList();
var propertiesWithoutSum = properties.Where(p => !p.sumGroupOperation).ToList();
var sumAggregateValues = new decimal[propertiesWithSum.Count];
var aggregateValues = new object[propertiesWithoutSum.Count];
bool firstRow = true;
foreach (var row in rows)
{
for (int fieldIndex = 0; fieldIndex < propertiesWithSum.Count; fieldIndex++)
{
var value = (decimal?)cache.GetValue(row, propertiesWithSum[fieldIndex].uiAttribute.FieldName);
sumAggregateValues[fieldIndex] += value ?? 0;
}
for (int fieldIndex = 0; fieldIndex < propertiesWithoutSum.Count; fieldIndex++)
{
var value = cache.GetValue(row, propertiesWithoutSum[fieldIndex].uiAttribute.FieldName);
aggregateValues[fieldIndex] = (firstRow || aggregateValues[fieldIndex]?.Equals(value) == true) ? value : null;
}
firstRow = false;
}
for (int fieldIndex = 0; fieldIndex < propertiesWithSum.Count; fieldIndex++)
{
cache.SetValue(total, propertiesWithSum[fieldIndex].uiAttribute.FieldName, sumAggregateValues[fieldIndex]);
}
for (int fieldIndex = 0; fieldIndex < propertiesWithoutSum.Count; fieldIndex++)
{
cache.SetValue(total, propertiesWithoutSum[fieldIndex].uiAttribute.FieldName, aggregateValues[fieldIndex]);
}
return(total);
}
protected override void Batch_RowSelected(PX.Data.PXCache cache, PX.Data.PXRowSelectedEventArgs e)
{
base.Batch_RowSelected(cache, e);
}