Expression <Func <TEntity, bool> > GetWhereExpression(CriteriaOperator criteria)
{
var caseInsensitiveCriteria = Data.Helpers.StringsTolowerCloningHelper.Process(criteria);
return(this.IsInDesignMode()
? CriteriaOperatorToExpressionConverter.GetLinqToObjectsWhere <TEntity>(caseInsensitiveCriteria)
: CriteriaOperatorToExpressionConverter.GetGenericWhere <TEntity>(caseInsensitiveCriteria));
}
internal static Expression <Func <TEntity, bool> > GetFilterExpression(CriteriaOperator criteria)
{
try {
return(CriteriaOperatorToExpressionConverter.GetGenericWhere <TEntity>(criteria));
}
catch (Exception e) {
throw new NotSupportedException("Error in Filter:" + CriteriaOperator.ToString(criteria), e);
}
}
void UpdateFilterExpression()
{
ISupportFiltering <TEntity> viewModel = this.viewModel as ISupportFiltering <TEntity>;
if (viewModel != null && ActiveFilterItem != null)
{
viewModel.FilterExpression = CriteriaOperatorToExpressionConverter.GetGenericWhere <TEntity>(ActiveFilterItem.FilterCriteria);
}
}
void ApplyFilter(FilterItemBase filterItem)
{
if ((filterItem != null) && !object.ReferenceEquals(filterItem.FilterCriteria, null))
{
var converter = new CriteriaOperatorToExpressionConverter <TEntity>();
CollectionViewModel.FilterExpression = converter.Convert(filterItem.FilterCriteria);
}
else
{
CollectionViewModel.FilterExpression = null;
}
}
Expression <Func <TEntity, bool> > GetWhereExpression(CriteriaOperator criteria)
{
return(this.IsInDesignMode()
? CriteriaOperatorToExpressionConverter.GetLinqToObjectsWhere <TEntity>(criteria)
: CriteriaOperatorToExpressionConverter.GetGenericWhere <TEntity>(criteria));
}
int GetEntityCount(CriteriaOperator criteria)
{
return(entities.Where(CriteriaOperatorToExpressionConverter.GetGenericWhere <TEntity>(criteria)).Count());
}
